` tag for views. @type String @default null */ // We leave this null by default so we can tell the difference between // the default case and a user-specified tag. tagName: null, /** The WAI-ARIA role of the control represented by this view. For example, a button may have a role of type 'button', or a pane may have a role of type 'alertdialog'. This property is used by assistive software to help visually challenged users navigate rich web applications. The full list of valid WAI-ARIA roles is available at: http://www.w3.org/TR/wai-aria/roles#roles_categorization @type String @default null */ ariaRole: null, /** Standard CSS class names to apply to the view's outer element. This property automatically inherits any class names defined by the view's superclasses as well. @type Array @default ['ember-view'] */ classNames: ['ember-view'], /** A list of properties of the view to apply as class names. If the property is a string value, the value of that string will be applied as a class name. // Applies the 'high' class to the view element Ember.View.create({ classNameBindings: ['priority'] priority: 'high' }); If the value of the property is a Boolean, the name of that property is added as a dasherized class name. // Applies the 'is-urgent' class to the view element Ember.View.create({ classNameBindings: ['isUrgent'] isUrgent: true }); If you would prefer to use a custom value instead of the dasherized property name, you can pass a binding like this: // Applies the 'urgent' class to the view element Ember.View.create({ classNameBindings: ['isUrgent:urgent'] isUrgent: true }); This list of properties is inherited from the view's superclasses as well. @type Array @default [] */ classNameBindings: [], /** A list of properties of the view to apply as attributes. If the property is a string value, the value of that string will be applied as the attribute. // Applies the type attribute to the element // with the value "button", like

Ember.View.create({ attributeBindings: ['type'], type: 'button' }); If the value of the property is a Boolean, the name of that property is added as an attribute. // Renders something like

Ember.View.create({ attributeBindings: ['enabled'], enabled: true }); */ attributeBindings: [], // ....................................................... // CORE DISPLAY METHODS // /** @private Setup a view, but do not finish waking it up. - configure childViews - register the view with the global views hash, which is used for event dispatch */ init: function() { set(this, 'state', 'preRender'); var parentView = get(this, '_parentView'); this._super(); // Register the view for event handling. This hash is used by // Ember.RootResponder to dispatch incoming events. Ember.View.views[get(this, 'elementId')] = this; var childViews = Ember.A(get(this, '_childViews').slice()); // setup child views. be sure to clone the child views array first set(this, '_childViews', childViews); this.classNameBindings = Ember.A(get(this, 'classNameBindings').slice()); this.classNames = Ember.A(get(this, 'classNames').slice()); set(this, 'domManager', this.domManagerClass.create({ view: this })); meta(this)["Ember.View"] = {}; var viewController = get(this, 'viewController'); if (viewController) { viewController = Ember.getPath(viewController); if (viewController) { set(viewController, 'view', this); } } }, appendChild: function(view, options) { return this.invokeForState('appendChild', view, options); }, /** Removes the child view from the parent view. @param {Ember.View} view @returns {Ember.View} receiver */ removeChild: function(view) { // update parent node set(view, '_parentView', null); // remove view from childViews array. var childViews = get(this, '_childViews'); childViews.removeObject(view); return this; }, /** Removes all children from the parentView. @returns {Ember.View} receiver */ removeAllChildren: function() { return this.mutateChildViews(function(view) { this.removeChild(view); }); }, destroyAllChildren: function() { return this.mutateChildViews(function(view) { view.destroy(); }); }, /** Removes the view from its parentView, if one is found. Otherwise does nothing. @returns {Ember.View} receiver */ removeFromParent: function() { var parent = get(this, '_parentView'); // Remove DOM element from parent this.remove(); if (parent) { parent.removeChild(this); } return this; }, /** You must call this method on a view to destroy the view (and all of its child views). This will remove the view from any parent node, then make sure that the DOM element managed by the view can be released by the memory manager. */ destroy: function() { if (get(this, 'isDestroyed')) { return; } // calling this._super() will nuke computed properties and observers, // so collect any information we need before calling super. var viewMeta = meta(this)['Ember.View'], childViews = get(this, '_childViews'), parent = get(this, '_parentView'), elementId = get(this, 'elementId'), childLen; // destroy the element -- this will avoid each child view destroying // the element over and over again... if (!this.removedFromDOM) { this.destroyElement(); } // remove from parent if found. Don't call removeFromParent, // as removeFromParent will try to remove the element from // the DOM again. if (parent) { parent.removeChild(this); } Ember.Descriptor.setup(this, 'state', 'destroyed'); this._super(); childLen = get(childViews, 'length'); for (var i=childLen-1; i>=0; i--) { childViews[i].removedFromDOM = true; childViews[i].destroy(); } // next remove view from global hash delete Ember.View.views[get(this, 'elementId')]; return this; // done with cleanup }, /** Instantiates a view to be added to the childViews array during view initialization. You generally will not call this method directly unless you are overriding createChildViews(). Note that this method will automatically configure the correct settings on the new view instance to act as a child of the parent. @param {Class} viewClass @param {Hash} [attrs] Attributes to add @returns {Ember.View} new instance @test in createChildViews */ createChildView: function(view, attrs) { if (Ember.View.detect(view)) { view = view.create(attrs || {}, { _parentView: this }); var viewName = attrs && attrs.viewName || view.viewName; // don't set the property on a virtual view, as they are invisible to // consumers of the view API if (viewName) { set(get(this, 'concreteView'), viewName, view); } } else { ember_assert('must pass instance of View', view instanceof Ember.View); set(view, '_parentView', this); } return view; }, becameVisible: Ember.K, becameHidden: Ember.K, /** @private When the view's `isVisible` property changes, toggle the visibility element of the actual DOM element. */ _isVisibleDidChange: Ember.observer(function() { var isVisible = get(this, 'isVisible'); this.$().toggle(isVisible); if (this._isAncestorHidden()) { return; } if (isVisible) { this._notifyBecameVisible(); } else { this._notifyBecameHidden(); } }, 'isVisible'), _notifyBecameVisible: function() { this.becameVisible(); this.forEachChildView(function(view) { var isVisible = get(view, 'isVisible'); if (isVisible || isVisible === null) { view._notifyBecameVisible(); } }); }, _notifyBecameHidden: function() { this.becameHidden(); this.forEachChildView(function(view) { var isVisible = get(view, 'isVisible'); if (isVisible || isVisible === null) { view._notifyBecameHidden(); } }); }, _isAncestorHidden: function() { var parent = get(this, 'parentView'); while (parent) { if (get(parent, 'isVisible') === false) { return true; } parent = get(parent, 'parentView'); } return false; }, clearBuffer: function() { this.invokeRecursively(function(view) { meta(view)['Ember.View'].buffer = null; }); }, transitionTo: function(state, children) { set(this, 'state', state); if (children !== false) { this.forEachChildView(function(view) { view.transitionTo(state); }); } }, // ....................................................... // EVENT HANDLING // /** @private Handle events from `Ember.EventDispatcher` */ handleEvent: function(eventName, evt) { return this.invokeForState('handleEvent', eventName, evt); } }); /** Describe how the specified actions should behave in the various states that a view can exist in. Possible states: * preRender: when a view is first instantiated, and after its element was destroyed, it is in the preRender state * inBuffer: once a view has been rendered, but before it has been inserted into the DOM, it is in the inBuffer state * inDOM: once a view has been inserted into the DOM it is in the inDOM state. A view spends the vast majority of its existence in this state. * destroyed: once a view has been destroyed (using the destroy method), it is in this state. No further actions can be invoked on a destroyed view. */ // in the destroyed state, everything is illegal // before rendering has begun, all legal manipulations are noops. // inside the buffer, legal manipulations are done on the buffer // once the view has been inserted into the DOM, legal manipulations // are done on the DOM element. Ember.View.reopen({ states: Ember.View.states, domManagerClass: Ember.Object.extend({ view: this, prepend: function(childView) { var view = get(this, 'view'); childView._insertElementLater(function() { var element = view.$(); element.prepend(childView.$()); }); }, after: function(nextView) { var view = get(this, 'view'); nextView._insertElementLater(function() { var element = view.$(); element.after(nextView.$()); }); }, replace: function() { var view = get(this, 'view'); var element = get(view, 'element'); set(view, 'element', null); view._insertElementLater(function() { Ember.$(element).replaceWith(get(view, 'element')); }); }, remove: function() { var view = get(this, 'view'); var elem = get(view, 'element'); set(view, 'element', null); Ember.$(elem).remove(); } }) }); // Create a global view hash. Ember.View.views = {}; // If someone overrides the child views computed property when // defining their class, we want to be able to process the user's // supplied childViews and then restore the original computed property // at view initialization time. This happens in Ember.ContainerView's init // method. Ember.View.childViewsProperty = childViewsProperty; Ember.View.applyAttributeBindings = function(elem, name, value) { var type = Ember.typeOf(value); var currentValue = elem.attr(name); // if this changes, also change the logic in ember-handlebars/lib/helpers/binding.js if ((type === 'string' || (type === 'number' && !isNaN(value))) && value !== currentValue) { elem.attr(name, value); } else if (value && type === 'boolean') { elem.attr(name, name); } else if (!value) { elem.removeAttr(name); } }; })({}); (function(exports) { // ========================================================================== // Project: Ember - JavaScript Application Framework // Copyright: ©2006-2011 Strobe Inc. and contributors. // Portions ©2008-2011 Apple Inc. All rights reserved. // License: Licensed under MIT license (see license.js) // ========================================================================== var get = Ember.get, set = Ember.set; Ember.View.states = { _default: { // appendChild is only legal while rendering the buffer. appendChild: function() { throw "You can't use appendChild outside of the rendering process"; }, $: function() { return Ember.$(); }, getElement: function() { return null; }, // Handle events from `Ember.EventDispatcher` handleEvent: function() { return true; // continue event propagation } } }; Ember.View.reopen({ states: Ember.View.states }); })({}); (function(exports) { // ========================================================================== // Project: Ember - JavaScript Application Framework // Copyright: ©2006-2011 Strobe Inc. and contributors. // Portions ©2008-2011 Apple Inc. All rights reserved. // License: Licensed under MIT license (see license.js) // ========================================================================== Ember.View.states.preRender = { parentState: Ember.View.states._default, // a view leaves the preRender state once its element has been // created (createElement). insertElement: function(view, fn) { view.createElement(); view._notifyWillInsertElement(true); // after createElement, the view will be in the hasElement state. fn.call(view); view.transitionTo('inDOM'); view._notifyDidInsertElement(); }, // This exists for the removal warning, remove later $: function(view){ if (view._willInsertElementAccessUnsupported) { console.error("Getting element from willInsertElement is unreliable and no longer supported."); } return Ember.$(); }, // This exists for the removal warning, remove later getElement: function(view){ if (view._willInsertElementAccessUnsupported) { console.error("Getting element from willInsertElement is unreliable and no longer supported."); } return null; }, setElement: function(view, value) { view.beginPropertyChanges(); view.invalidateRecursively('element'); if (value !== null) { view.transitionTo('hasElement'); } view.endPropertyChanges(); return value; } }; })({}); (function(exports) { // ========================================================================== // Project: Ember - JavaScript Application Framework // Copyright: ©2006-2011 Strobe Inc. and contributors. // Portions ©2008-2011 Apple Inc. All rights reserved. // License: Licensed under MIT license (see license.js) // ========================================================================== var get = Ember.get, set = Ember.set, meta = Ember.meta; Ember.View.states.inBuffer = { parentState: Ember.View.states._default, $: function(view, sel) { // if we don't have an element yet, someone calling this.$() is // trying to update an element that isn't in the DOM. Instead, // rerender the view to allow the render method to reflect the // changes. view.rerender(); return Ember.$(); }, // when a view is rendered in a buffer, rerendering it simply // replaces the existing buffer with a new one rerender: function(view) { var buffer = meta(view)['Ember.View'].buffer; view.clearRenderedChildren(); view.renderToBuffer(buffer, 'replaceWith'); }, // when a view is rendered in a buffer, appending a child // view will render that view and append the resulting // buffer into its buffer. appendChild: function(view, childView, options) { var buffer = meta(view)['Ember.View'].buffer; childView = this.createChildView(childView, options); get(view, '_childViews').pushObject(childView); childView.renderToBuffer(buffer); return childView; }, // when a view is rendered in a buffer, destroying the // element will simply destroy the buffer and put the // state back into the preRender state. destroyElement: function(view) { view.clearBuffer(); view._notifyWillDestroyElement(); view.transitionTo('preRender'); return view; }, // It should be impossible for a rendered view to be scheduled for // insertion. insertElement: function() { throw "You can't insert an element that has already been rendered"; }, setElement: function(view, value) { view.invalidateRecursively('element'); if (value === null) { view.transitionTo('preRender'); } else { view.clearBuffer(); view.transitionTo('hasElement'); } return value; } }; })({}); (function(exports) { // ========================================================================== // Project: Ember - JavaScript Application Framework // Copyright: ©2006-2011 Strobe Inc. and contributors. // Portions ©2008-2011 Apple Inc. All rights reserved. // License: Licensed under MIT license (see license.js) // ========================================================================== var get = Ember.get, set = Ember.set, meta = Ember.meta; Ember.View.states.hasElement = { parentState: Ember.View.states._default, $: function(view, sel) { var elem = get(view, 'element'); return sel ? Ember.$(sel, elem) : Ember.$(elem); }, getElement: function(view) { var parent = get(view, 'parentView'); if (parent) { parent = get(parent, 'element'); } if (parent) { return view.findElementInParentElement(parent); } return Ember.$("#" + get(view, 'elementId'))[0]; }, setElement: function(view, value) { if (value === null) { view.invalidateRecursively('element'); view.transitionTo('preRender'); } else { throw "You cannot set an element to a non-null value when the element is already in the DOM."; } return value; }, // once the view has been inserted into the DOM, rerendering is // deferred to allow bindings to synchronize. rerender: function(view) { view.clearRenderedChildren(); get(view, 'domManager').replace(); return view; }, // once the view is already in the DOM, destroying it removes it // from the DOM, nukes its element, and puts it back into the // preRender state. destroyElement: function(view) { view.invokeRecursively(function(view) { this.willDestroyElement(); }); get(view, 'domManager').remove(); return view; }, // Handle events from `Ember.EventDispatcher` handleEvent: function(view, eventName, evt) { var handler = view[eventName]; if (Ember.typeOf(handler) === 'function') { return handler.call(view, evt); } else { return true; // continue event propagation } } }; Ember.View.states.inDOM = { parentState: Ember.View.states.hasElement, insertElement: function() { throw "You can't insert an element into the DOM that has already been inserted"; } }; })({}); (function(exports) { // ========================================================================== // Project: Ember - JavaScript Application Framework // Copyright: ©2006-2011 Strobe Inc. and contributors. // Portions ©2008-2011 Apple Inc. All rights reserved. // License: Licensed under MIT license (see license.js) // ========================================================================== var destroyedError = "You can't call %@ on a destroyed view", fmt = Ember.String.fmt; Ember.View.states.destroyed = { parentState: Ember.View.states._default, appendChild: function() { throw fmt(destroyedError, ['appendChild']); }, rerender: function() { throw fmt(destroyedError, ['rerender']); }, destroyElement: function() { throw fmt(destroyedError, ['destroyElement']); }, setElement: function() { throw fmt(destroyedError, ["set('element', ...)"]); }, // Since element insertion is scheduled, don't do anything if // the view has been destroyed between scheduling and execution insertElement: Ember.K }; })({}); (function(exports) { // ========================================================================== // Project: Ember - JavaScript Application Framework // Copyright: ©2006-2011 Strobe Inc. and contributors. // Portions ©2008-2011 Apple Inc. All rights reserved. // License: Licensed under MIT license (see license.js) // ========================================================================== })({}); (function(exports) { // ========================================================================== // Project: Ember - JavaScript Application Framework // Copyright: ©2006-2011 Strobe Inc. and contributors. // Portions ©2008-2011 Apple Inc. All rights reserved. // License: Licensed under MIT license (see license.js) // ========================================================================== var get = Ember.get, set = Ember.set, meta = Ember.meta; var childViewsProperty = Ember.computed(function() { return get(this, '_childViews'); }).property('_childViews').cacheable(); Ember.ContainerView = Ember.View.extend({ init: function() { var childViews = get(this, 'childViews'); Ember.defineProperty(this, 'childViews', childViewsProperty); this._super(); var _childViews = get(this, '_childViews'); childViews.forEach(function(viewName, idx) { var view; if ('string' === typeof viewName) { view = get(this, viewName); view = this.createChildView(view); set(this, viewName, view); } else { view = this.createChildView(viewName); } _childViews[idx] = view; }, this); // Sets up an array observer on the child views array. This // observer will detect when child views are added or removed // and update the DOM to reflect the mutation. get(this, 'childViews').addArrayObserver(this, { willChange: 'childViewsWillChange', didChange: 'childViewsDidChange' }); }, /** Instructs each child view to render to the passed render buffer. @param {Ember.RenderBuffer} buffer the buffer to render to @private */ render: function(buffer) { this.forEachChildView(function(view) { view.renderToBuffer(buffer); }); }, /** When the container view is destroyed, tear down the child views array observer. @private */ destroy: function() { get(this, 'childViews').removeArrayObserver(this, { willChange: 'childViewsWillChange', didChange: 'childViewsDidChange' }); this._super(); }, /** When a child view is removed, destroy its element so that it is removed from the DOM. The array observer that triggers this action is set up in the `renderToBuffer` method. @private @param {Ember.Array} views the child views array before mutation @param {Number} start the start position of the mutation @param {Number} removed the number of child views removed **/ childViewsWillChange: function(views, start, removed) { if (removed === 0) { return; } var changedViews = views.slice(start, start+removed); this.setParentView(changedViews, null); this.invokeForState('childViewsWillChange', views, start, removed); }, /** When a child view is added, make sure the DOM gets updated appropriately. If the view has already rendered an element, we tell the child view to create an element and insert it into the DOM. If the enclosing container view has already written to a buffer, but not yet converted that buffer into an element, we insert the string representation of the child into the appropriate place in the buffer. @private @param {Ember.Array} views the array of child views afte the mutation has occurred @param {Number} start the start position of the mutation @param {Number} removed the number of child views removed @param {Number} the number of child views added */ childViewsDidChange: function(views, start, removed, added) { var len = get(views, 'length'); // No new child views were added; bail out. if (added === 0) return; var changedViews = views.slice(start, start+added); this.setParentView(changedViews, this); // Let the current state handle the changes this.invokeForState('childViewsDidChange', views, start, added); }, setParentView: function(views, parentView) { views.forEach(function(view) { set(view, '_parentView', parentView); }); }, /** Schedules a child view to be inserted into the DOM after bindings have finished syncing for this run loop. @param {Ember.View} view the child view to insert @param {Ember.View} prev the child view after which the specified view should be inserted @private */ _scheduleInsertion: function(view, prev) { if (prev) { prev.get('domManager').after(view); } else { this.get('domManager').prepend(view); } } }); // Ember.ContainerView extends the default view states to provide different // behavior for childViewsWillChange and childViewsDidChange. Ember.ContainerView.states = { parent: Ember.View.states, inBuffer: { childViewsDidChange: function(parentView, views, start, added) { var buffer = meta(parentView)['Ember.View'].buffer, startWith, prev, prevBuffer, view; // Determine where to begin inserting the child view(s) in the // render buffer. if (start === 0) { // If views were inserted at the beginning, prepend the first // view to the render buffer, then begin inserting any // additional views at the beginning. view = views[start]; startWith = start + 1; view.renderToBuffer(buffer, 'prepend'); } else { // Otherwise, just insert them at the same place as the child // views mutation. view = views[start - 1]; startWith = start; } for (var i=startWith; i= start; idx--) { childViews[idx].destroy(); } }, /** Called when a mutation to the underlying content array occurs. This method will replay that mutation against the views that compose the Ember.CollectionView, ensuring that the view reflects the model. This array observer is added in contentDidChange. @param {Array} addedObjects the objects that were added to the content @param {Array} removedObjects the objects that were removed from the content @param {Number} changeIndex the index at which the changes occurred */ arrayDidChange: function(content, start, removed, added) { var itemViewClass = get(this, 'itemViewClass'), childViews = get(this, 'childViews'), addedViews = [], view, item, idx, len, itemTagName; if ('string' === typeof itemViewClass) { itemViewClass = Ember.getPath(itemViewClass); } ember_assert(fmt("itemViewClass must be a subclass of Ember.View, not %@", [itemViewClass]), Ember.View.detect(itemViewClass)); len = content ? get(content, 'length') : 0; if (len) { for (idx = start; idx < start+added; idx++) { item = content.objectAt(idx); view = this.createChildView(itemViewClass, { content: item, contentIndex: idx }); addedViews.push(view); } } else { var emptyView = get(this, 'emptyView'); if (!emptyView) { return; } emptyView = this.createChildView(emptyView); addedViews.push(emptyView); set(this, 'emptyView', emptyView); } childViews.replace(start, 0, addedViews); }, createChildView: function(view, attrs) { var view = this._super(view, attrs); var itemTagName = get(view, 'tagName'); var tagName = itemTagName == null ? Ember.CollectionView.CONTAINER_MAP[get(this, 'tagName')] : itemTagName; set(view, 'tagName', tagName); return view; } }); /** @static A map of parent tags to their default child tags. You can add additional parent tags if you want collection views that use a particular parent tag to default to a child tag. @type Hash @constant */ Ember.CollectionView.CONTAINER_MAP = { ul: 'li', ol: 'li', table: 'tr', thead: 'tr', tbody: 'tr', tfoot: 'tr', tr: 'td', select: 'option' }; })({}); (function(exports) { // ========================================================================== // Project: Ember - JavaScript Application Framework // Copyright: ©2006-2011 Strobe Inc. and contributors. // Portions ©2008-2011 Apple Inc. All rights reserved. // License: Licensed under MIT license (see license.js) // ========================================================================== })({}); (function(exports) { // ========================================================================== // Project: Ember - JavaScript Application Framework // Copyright: ©2006-2011 Strobe Inc. and contributors. // Portions ©2008-2011 Apple Inc. All rights reserved. // License: Licensed under MIT license (see license.js) // ========================================================================== ember_assert("Ember requires jQuery 1.6 or 1.7", window.jQuery && jQuery().jquery.match(/^1\.[67](.\d+)?$/)); Ember.$ = window.jQuery; })({}); (function(exports) { var get = Ember.get, set = Ember.set, getPath = Ember.getPath; Ember.State = Ember.Object.extend({ isState: true, parentState: null, start: null, name: null, path: Ember.computed(function() { var parentPath = getPath(this, 'parentState.path'), path = get(this, 'name'); if (parentPath) { path = parentPath + '.' + path; } return path; }).property().cacheable(), init: function() { var states = get(this, 'states'), foundStates; var name; // As a convenience, loop over the properties // of this state and look for any that are other // Ember.State instances or classes, and move them // to the `states` hash. This avoids having to // create an explicit separate hash. if (!states) { states = {}; for (name in this) { if (name === "constructor") { continue; } this.setupChild(states, name, this[name]); } set(this, 'states', states); } else { for (name in states) { this.setupChild(states, name, states[name]); } } set(this, 'routes', {}); }, setupChild: function(states, name, value) { if (!value) { return false; } if (Ember.State.detect(value)) { value = value.create({ name: name }); } else if (value.isState) { set(value, 'name', name); } if (value.isState) { set(value, 'parentState', this); states[name] = value; } }, enter: Ember.K, exit: Ember.K }); })({}); (function(exports) { var get = Ember.get, set = Ember.set, getPath = Ember.getPath, fmt = Ember.String.fmt; /** @class */ Ember.StateManager = Ember.State.extend( /** @scope Ember.State.prototype */ { /** When creating a new statemanager, look for a default state to transition into. This state can either be named `start`, or can be specified using the `initialState` property. */ init: function() { this._super(); var initialState = get(this, 'initialState'); if (!initialState && getPath(this, 'states.start')) { initialState = 'start'; } if (initialState) { this.goToState(initialState); } }, currentState: null, /** @property If set to true, `errorOnUnhandledEvents` will cause an exception to be raised if you attempt to send an event to a state manager that is not handled by the current state or any of its parent states. */ errorOnUnhandledEvent: true, /** @property If the current state is a view state or the descendent of a view state, this property will be the view associated with it. If there is no view state active in this state manager, this value will be null. */ currentView: Ember.computed(function() { var currentState = get(this, 'currentState'), view; while (currentState) { if (get(currentState, 'isViewState')) { view = get(currentState, 'view'); if (view) { return view; } } currentState = get(currentState, 'parentState'); } return null; }).property('currentState').cacheable(), send: function(event, context) { this.sendRecursively(event, get(this, 'currentState'), context); }, sendRecursively: function(event, currentState, context) { var log = this.enableLogging; var action = currentState[event]; if (action) { if (log) { console.log(fmt("STATEMANAGER: Sending event '%@' to state %@.", [event, get(currentState, 'path')])); } action.call(currentState, this, context); } else { var parentState = get(currentState, 'parentState'); if (parentState) { this.sendRecursively(event, parentState, context); } else if (get(this, 'errorOnUnhandledEvent')) { throw new Ember.Error(this.toString() + " could not respond to event " + event + " in state " + getPath(this, 'currentState.path') + "."); } } }, findStatesByRoute: function(state, route) { if (!route || route === "") { return undefined; } var r = route.split('.'), ret = []; for (var i=0, len = r.length; i < len; i += 1) { var states = get(state, 'states') ; if (!states) { return undefined; } var s = get(states, r[i]); if (s) { state = s; ret.push(s); } else { return undefined; } } return ret; }, goToState: function(name) { if (Ember.empty(name)) { return; } var currentState = get(this, 'currentState') || this, state, newState; var exitStates = [], enterStates; state = currentState; if (state.routes[name]) { // cache hit exitStates = state.routes[name].exitStates; enterStates = state.routes[name].enterStates; state = state.routes[name].futureState; } else { // cache miss newState = this.findStatesByRoute(currentState, name); while (state && !newState) { exitStates.unshift(state); state = get(state, 'parentState'); if (!state) { newState = this.findStatesByRoute(this, name); if (!newState) { return; } } newState = this.findStatesByRoute(state, name); } enterStates = newState.slice(0), exitStates = exitStates.slice(0); if (enterStates.length > 0) { state = enterStates[enterStates.length - 1]; while (enterStates.length > 0 && enterStates[0] === exitStates[0]) { enterStates.shift(); exitStates.shift(); } } currentState.routes[name] = { exitStates: exitStates, enterStates: enterStates, futureState: state }; } this.enterState(exitStates, enterStates, state); }, getState: function(name) { var state = get(this, name), parentState = get(this, 'parentState'); if (state) { return state; } else if (parentState) { return parentState.getState(name); } }, asyncEach: function(list, callback, doneCallback) { var async = false, self = this; if (!list.length) { if (doneCallback) { doneCallback.call(this); } return; } var head = list[0]; var tail = list.slice(1); var transition = { async: function() { async = true; }, resume: function() { self.asyncEach(tail, callback, doneCallback); } }; callback.call(this, head, transition); if (!async) { transition.resume(); } }, enterState: function(exitStates, enterStates, state) { var log = this.enableLogging; var stateManager = this; exitStates.reverse(); this.asyncEach(exitStates, function(state, transition) { state.exit(stateManager, transition); }, function() { this.asyncEach(enterStates, function(state, transition) { if (log) { console.log("STATEMANAGER: Entering " + get(state, 'path')); } state.enter(stateManager, transition); }, function() { var startState = state, enteredState, initialState; initialState = get(startState, 'initialState'); if (!initialState) { initialState = 'start'; } // right now, start states cannot be entered asynchronously while (startState = get(get(startState, 'states'), initialState)) { enteredState = startState; if (log) { console.log("STATEMANAGER: Entering " + get(startState, 'path')); } startState.enter(stateManager); initialState = get(startState, 'initialState'); if (!initialState) { initialState = 'start'; } } set(this, 'currentState', enteredState || state); }); }); } }); })({}); (function(exports) { var get = Ember.get, set = Ember.set; Ember.ViewState = Ember.State.extend({ isViewState: true, enter: function(stateManager) { var view = get(this, 'view'), root, childViews; if (view) { if (Ember.View.detect(view)) { view = view.create(); set(this, 'view', view); } ember_assert('view must be an Ember.View', view instanceof Ember.View); root = stateManager.get('rootView'); if (root) { childViews = get(root, 'childViews'); childViews.pushObject(view); } else { root = stateManager.get('rootElement') || 'body'; view.appendTo(root); } } }, exit: function(stateManager) { var view = get(this, 'view'); if (view) { // If the view has a parent view, then it is // part of a view hierarchy and should be removed // from its parent. if (get(view, 'parentView')) { view.removeFromParent(); } else { // Otherwise, the view is a "root view" and // was appended directly to the DOM. view.remove(); } } } }); })({}); (function(exports) { // ========================================================================== // Project: Ember Statecharts // Copyright: ©2011 Living Social Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== })({}); (function(exports) { // ========================================================================== // Project: metamorph // Copyright: ©2011 My Company Inc. All rights reserved. // ========================================================================== (function(window) { var K = function(){}, guid = 0, document = window.document, // Feature-detect the W3C range API, the extended check is for IE9 which only partially supports ranges supportsRange = ('createRange' in document) && (typeof Range !== 'undefined') && Range.prototype.createContextualFragment, // Internet Explorer prior to 9 does not allow setting innerHTML if the first element // is a "zero-scope" element. This problem can be worked around by making // the first node an invisible text node. We, like Modernizr, use needsShy = (function(){ var testEl = document.createElement('div'); testEl.innerHTML = "

"; testEl.firstChild.innerHTML = ""; return testEl.firstChild.innerHTML === ''; })(); // Constructor that supports either Metamorph('foo') or new // Metamorph('foo'); // // Takes a string of HTML as the argument. var Metamorph = function(html) { var self; if (this instanceof Metamorph) { self = this; } else { self = new K(); } self.innerHTML = html; var myGuid = 'metamorph-'+(guid++); self.start = myGuid + '-start'; self.end = myGuid + '-end'; return self; }; K.prototype = Metamorph.prototype; var rangeFor, htmlFunc, removeFunc, outerHTMLFunc, appendToFunc, afterFunc, prependFunc, startTagFunc, endTagFunc; outerHTMLFunc = function() { return this.startTag() + this.innerHTML + this.endTag(); }; startTagFunc = function() { return ""; }; endTagFunc = function() { return ""; }; // If we have the W3C range API, this process is relatively straight forward. if (supportsRange) { // Get a range for the current morph. Optionally include the starting and // ending placeholders. rangeFor = function(morph, outerToo) { var range = document.createRange(); var before = document.getElementById(morph.start); var after = document.getElementById(morph.end); if (outerToo) { range.setStartBefore(before); range.setEndAfter(after); } else { range.setStartAfter(before); range.setEndBefore(after); } return range; }; htmlFunc = function(html, outerToo) { // get a range for the current metamorph object var range = rangeFor(this, outerToo); // delete the contents of the range, which will be the // nodes between the starting and ending placeholder. range.deleteContents(); // create a new document fragment for the HTML var fragment = range.createContextualFragment(html); // insert the fragment into the range range.insertNode(fragment); }; removeFunc = function() { // get a range for the current metamorph object including // the starting and ending placeholders. var range = rangeFor(this, true); // delete the entire range. range.deleteContents(); }; appendToFunc = function(node) { var range = document.createRange(); range.setStart(node); range.collapse(false); var frag = range.createContextualFragment(this.outerHTML()); node.appendChild(frag); }; afterFunc = function(html) { var range = document.createRange(); var after = document.getElementById(this.end); range.setStartAfter(after); range.setEndAfter(after); var fragment = range.createContextualFragment(html); range.insertNode(fragment); }; prependFunc = function(html) { var range = document.createRange(); var start = document.getElementById(this.start); range.setStartAfter(start); range.setEndAfter(start); var fragment = range.createContextualFragment(html); range.insertNode(fragment); }; } else { /** * This code is mostly taken from jQuery, with one exception. In jQuery's case, we * have some HTML and we need to figure out how to convert it into some nodes. * * In this case, jQuery needs to scan the HTML looking for an opening tag and use * that as the key for the wrap map. In our case, we know the parent node, and * can use its type as the key for the wrap map. **/ var wrapMap = { select: [ 1, "" ], fieldset: [ 1, "

", "

" ], table: [ 1, "", "

" ], tbody: [ 2, "", "

" ], tr: [ 3, "", "

" ], colgroup: [ 2, "", "

" ], map: [ 1, "", "" ], _default: [ 0, "", "" ] }; /** * Given a parent node and some HTML, generate a set of nodes. Return the first * node, which will allow us to traverse the rest using nextSibling. * * We need to do this because innerHTML in IE does not really parse the nodes. **/ var firstNodeFor = function(parentNode, html) { var arr = wrapMap[parentNode.tagName.toLowerCase()] || wrapMap._default; var depth = arr[0], start = arr[1], end = arr[2]; if (needsShy) { html = ''+html; } var element = document.createElement('div'); element.innerHTML = start + html + end; for (var i=0; i<=depth; i++) { element = element.firstChild; } // Look for to remove it. if (needsShy) { var shyElement = element; // Sometimes we get nameless elements with the shy inside while (shyElement.nodeType === 1 && !shyElement.nodeName && shyElement.childNodes.length === 1) { shyElement = shyElement.firstChild; } // At this point it's the actual unicode character. if (shyElement.nodeType === 3 && shyElement.nodeValue.charAt(0) === "\u00AD") { shyElement.nodeValue = shyElement.nodeValue.slice(1); } } return element; }; /** * In some cases, Internet Explorer can create an anonymous node in * the hierarchy with no tagName. You can create this scenario via: * * div = document.createElement("div"); * div.innerHTML = "

"; * div.firstChild.firstChild.tagName //=> "" * * If our script markers are inside such a node, we need to find that * node and use *it* as the marker. **/ var realNode = function(start) { while (start.parentNode.tagName === "") { start = start.parentNode; } return start; }; /** * When automatically adding a tbody, Internet Explorer inserts the * tbody immediately before the first . Other browsers create it * before the first node, no matter what. * * This means the the following code: * * div = document.createElement("div"); * div.innerHTML = "

* * Generates the following DOM in IE: * * + div * + table * - script id='first' * + tbody * + tr * + td * - "hi" * - script id='last' * * Which means that the two script tags, even though they were * inserted at the same point in the hierarchy in the original * HTML, now have different parents. * * This code reparents the first script tag by making it the tbody's * first child. **/ var fixParentage = function(start, end) { if (start.parentNode !== end.parentNode) { end.parentNode.insertBefore(start, end.parentNode.firstChild); } }; htmlFunc = function(html, outerToo) { // get the real starting node. see realNode for details. var start = realNode(document.getElementById(this.start)); var end = document.getElementById(this.end); var parentNode = end.parentNode; var node, nextSibling, last; // make sure that the start and end nodes share the same // parent. If not, fix it. fixParentage(start, end); // remove all of the nodes after the starting placeholder and // before the ending placeholder. node = start.nextSibling; while (node) { nextSibling = node.nextSibling; last = node === end; // if this is the last node, and we want to remove it as well, // set the `end` node to the next sibling. This is because // for the rest of the function, we insert the new nodes // before the end (note that insertBefore(node, null) is // the same as appendChild(node)). // // if we do not want to remove it, just break. if (last) { if (outerToo) { end = node.nextSibling; } else { break; } } node.parentNode.removeChild(node); // if this is the last node and we didn't break before // (because we wanted to remove the outer nodes), break // now. if (last) { break; } node = nextSibling; } // get the first node for the HTML string, even in cases like // tables and lists where a simple innerHTML on a div would // swallow some of the content. node = firstNodeFor(start.parentNode, html); // copy the nodes for the HTML between the starting and ending // placeholder. while (node) { nextSibling = node.nextSibling; parentNode.insertBefore(node, end); node = nextSibling; } }; // remove the nodes in the DOM representing this metamorph. // // this includes the starting and ending placeholders. removeFunc = function() { var start = realNode(document.getElementById(this.start)); var end = document.getElementById(this.end); this.html(''); start.parentNode.removeChild(start); end.parentNode.removeChild(end); }; appendToFunc = function(parentNode) { var node = firstNodeFor(parentNode, this.outerHTML()); while (node) { nextSibling = node.nextSibling; parentNode.appendChild(node); node = nextSibling; } }; afterFunc = function(html) { // get the real starting node. see realNode for details. var end = document.getElementById(this.end); var insertBefore = end.nextSibling; var parentNode = end.parentNode; var nextSibling; var node; // get the first node for the HTML string, even in cases like // tables and lists where a simple innerHTML on a div would // swallow some of the content. node = firstNodeFor(parentNode, html); // copy the nodes for the HTML between the starting and ending // placeholder. while (node) { nextSibling = node.nextSibling; parentNode.insertBefore(node, insertBefore); node = nextSibling; } }; prependFunc = function(html) { var start = document.getElementById(this.start); var parentNode = start.parentNode; var nextSibling; var node; node = firstNodeFor(parentNode, html); var insertBefore = start.nextSibling; while (node) { nextSibling = node.nextSibling; parentNode.insertBefore(node, insertBefore); node = nextSibling; } } } Metamorph.prototype.html = function(html) { this.checkRemoved(); if (html === undefined) { return this.innerHTML; } htmlFunc.call(this, html); this.innerHTML = html; }; Metamorph.prototype.replaceWith = function(html) { this.checkRemoved(); htmlFunc.call(this, html, true); }; Metamorph.prototype.remove = removeFunc; Metamorph.prototype.outerHTML = outerHTMLFunc; Metamorph.prototype.appendTo = appendToFunc; Metamorph.prototype.after = afterFunc; Metamorph.prototype.prepend = prependFunc; Metamorph.prototype.startTag = startTagFunc; Metamorph.prototype.endTag = endTagFunc; Metamorph.prototype.isRemoved = function() { var before = document.getElementById(this.start); var after = document.getElementById(this.end); return !before || !after; }; Metamorph.prototype.checkRemoved = function() { if (this.isRemoved()) { throw new Error("Cannot perform operations on a Metamorph that is not in the DOM."); } }; window.Metamorph = Metamorph; })(this); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== /*globals Handlebars */ /** @namespace @name Handlebars @private */ /** @namespace @name Handlebars.helpers @description Helpers for Handlebars templates */ /** @class Prepares the Handlebars templating library for use inside Ember's view system. The Ember.Handlebars object is the standard Handlebars library, extended to use Ember's get() method instead of direct property access, which allows computed properties to be used inside templates. To use Ember.Handlebars, call Ember.Handlebars.compile(). This will return a function that you can call multiple times, with a context object as the first parameter: var template = Ember.Handlebars.compile("my {{cool}} template"); var result = template({ cool: "awesome" }); console.log(result); // prints "my awesome template" Note that you won't usually need to use Ember.Handlebars yourself. Instead, use Ember.View, which takes care of integration into the view layer for you. */ Ember.Handlebars = Ember.create(Handlebars); Ember.Handlebars.helpers = Ember.create(Handlebars.helpers); /** Override the the opcode compiler and JavaScript compiler for Handlebars. */ Ember.Handlebars.Compiler = function() {}; Ember.Handlebars.Compiler.prototype = Ember.create(Handlebars.Compiler.prototype); Ember.Handlebars.Compiler.prototype.compiler = Ember.Handlebars.Compiler; Ember.Handlebars.JavaScriptCompiler = function() {}; Ember.Handlebars.JavaScriptCompiler.prototype = Ember.create(Handlebars.JavaScriptCompiler.prototype); Ember.Handlebars.JavaScriptCompiler.prototype.compiler = Ember.Handlebars.JavaScriptCompiler; Ember.Handlebars.JavaScriptCompiler.prototype.namespace = "Ember.Handlebars"; Ember.Handlebars.JavaScriptCompiler.prototype.initializeBuffer = function() { return "''"; }; /** Override the default buffer for Ember Handlebars. By default, Handlebars creates an empty String at the beginning of each invocation and appends to it. Ember's Handlebars overrides this to append to a single shared buffer. @private */ Ember.Handlebars.JavaScriptCompiler.prototype.appendToBuffer = function(string) { return "data.buffer.push("+string+");"; }; /** Rewrite simple mustaches from {{foo}} to {{bind "foo"}}. This means that all simple mustaches in Ember's Handlebars will also set up an observer to keep the DOM up to date when the underlying property changes. @private */ Ember.Handlebars.Compiler.prototype.mustache = function(mustache) { if (mustache.params.length || mustache.hash) { return Handlebars.Compiler.prototype.mustache.call(this, mustache); } else { var id = new Handlebars.AST.IdNode(['_triageMustache']); // Update the mustache node to include a hash value indicating whether the original node // was escaped. This will allow us to properly escape values when the underlying value // changes and we need to re-render the value. if(mustache.escaped) { mustache.hash = mustache.hash || new Handlebars.AST.HashNode([]); mustache.hash.pairs.push(["escaped", new Handlebars.AST.StringNode("true")]); } mustache = new Handlebars.AST.MustacheNode([id].concat([mustache.id]), mustache.hash, !mustache.escaped); return Handlebars.Compiler.prototype.mustache.call(this, mustache); } }; /** Used for precompilation of Ember Handlebars templates. This will not be used during normal app execution. @param {String} string The template to precompile */ Ember.Handlebars.precompile = function(string) { var ast = Handlebars.parse(string); var options = { data: true, stringParams: true }; var environment = new Ember.Handlebars.Compiler().compile(ast, options); return new Ember.Handlebars.JavaScriptCompiler().compile(environment, options, undefined, true); }; /** The entry point for Ember Handlebars. This replaces the default Handlebars.compile and turns on template-local data and String parameters. @param {String} string The template to compile */ Ember.Handlebars.compile = function(string) { var ast = Handlebars.parse(string); var options = { data: true, stringParams: true }; var environment = new Ember.Handlebars.Compiler().compile(ast, options); var templateSpec = new Ember.Handlebars.JavaScriptCompiler().compile(environment, options, undefined, true); return Handlebars.template(templateSpec); }; /** Lookup both on root and on window @param {Object} root The object to look up the property on @param {String} path The path to be lookedup */ Ember.Handlebars.getPath = function(root, path) { // TODO: Remove this `false` when the `getPath` globals support is removed var value = Ember.getPath(root, path, false); if (value === undefined && root !== window && Ember.isGlobalPath(path)) { value = Ember.getPath(window, path); } return value; }; /** Registers a helper in Handlebars that will be called if no property with the given name can be found on the current context object, and no helper with that name is registered. This throws an exception with a more helpful error message so the user can track down where the problem is happening. @name Handlebars.helpers.helperMissing @param {String} path @param {Hash} options */ Ember.Handlebars.registerHelper('helperMissing', function(path, options) { var error, view = ""; error = "%@ Handlebars error: Could not find property '%@' on object %@."; if (options.data){ view = options.data.view; } throw new Ember.Error(Ember.String.fmt(error, [view, path, this])); }); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== var set = Ember.set, get = Ember.get; // TODO: Be explicit in the class documentation that you // *MUST* set the value of a checkbox through Ember. // Updating the value of a checkbox directly via jQuery objects // will not work. Ember.Checkbox = Ember.View.extend({ title: null, value: false, disabled: false, classNames: ['ember-checkbox'], defaultTemplate: Ember.Handlebars.compile('{{title}}'), change: function() { Ember.run.once(this, this._updateElementValue); // returning false will cause IE to not change checkbox state }, _updateElementValue: function() { var input = this.$('input:checkbox'); set(this, 'value', input.prop('checked')); } }); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== var get = Ember.get, set = Ember.set; /** @class */ Ember.TextSupport = Ember.Mixin.create( /** @scope Ember.TextSupport.prototype */ { value: "", attributeBindings: ['placeholder', 'disabled'], placeholder: null, disabled: false, insertNewline: Ember.K, cancel: Ember.K, focusOut: function(event) { this._elementValueDidChange(); }, change: function(event) { this._elementValueDidChange(); }, keyUp: function(event) { this.interpretKeyEvents(event); }, /** @private */ interpretKeyEvents: function(event) { var map = Ember.TextSupport.KEY_EVENTS; var method = map[event.keyCode]; this._elementValueDidChange(); if (method) { return this[method](event); } }, _elementValueDidChange: function() { set(this, 'value', this.$().val()); } }); Ember.TextSupport.KEY_EVENTS = { 13: 'insertNewline', 27: 'cancel' }; })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== var get = Ember.get, set = Ember.set; /** @class @extends Ember.TextSupport */ Ember.TextField = Ember.View.extend(Ember.TextSupport, /** @scope Ember.TextField.prototype */ { classNames: ['ember-text-field'], tagName: "input", attributeBindings: ['type', 'value'], type: "text" }); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== var get = Ember.get, set = Ember.set; Ember.Button = Ember.View.extend(Ember.TargetActionSupport, { classNames: ['ember-button'], classNameBindings: ['isActive'], tagName: 'button', propagateEvents: false, attributeBindings: ['type', 'disabled', 'href'], // Defaults to 'button' if tagName is 'input' or 'button' type: Ember.computed(function(key, value) { var tagName = this.get('tagName'); if (value !== undefined) { this._type = value; } if (this._type !== undefined) { return this._type; } if (tagName === 'input' || tagName === 'button') { return 'button'; } }).property('tagName').cacheable(), disabled: false, // Allow 'a' tags to act like buttons href: Ember.computed(function() { return this.get('tagName') === 'a' ? '#' : null; }).property('tagName').cacheable(), mouseDown: function() { if (!get(this, 'disabled')) { set(this, 'isActive', true); this._mouseDown = true; this._mouseEntered = true; } return get(this, 'propagateEvents'); }, mouseLeave: function() { if (this._mouseDown) { set(this, 'isActive', false); this._mouseEntered = false; } }, mouseEnter: function() { if (this._mouseDown) { set(this, 'isActive', true); this._mouseEntered = true; } }, mouseUp: function(event) { if (get(this, 'isActive')) { // Actually invoke the button's target and action. // This method comes from the Ember.TargetActionSupport mixin. this.triggerAction(); set(this, 'isActive', false); } this._mouseDown = false; this._mouseEntered = false; return get(this, 'propagateEvents'); }, keyDown: function(event) { // Handle space or enter if (event.keyCode === 13 || event.keyCode === 32) { this.mouseDown(); } }, keyUp: function(event) { // Handle space or enter if (event.keyCode === 13 || event.keyCode === 32) { this.mouseUp(); } }, // TODO: Handle proper touch behavior. Including should make inactive when // finger moves more than 20x outside of the edge of the button (vs mouse // which goes inactive as soon as mouse goes out of edges.) touchStart: function(touch) { return this.mouseDown(touch); }, touchEnd: function(touch) { return this.mouseUp(touch); } }); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== var get = Ember.get, set = Ember.set; /** @class @extends Ember.TextSupport */ Ember.TextArea = Ember.View.extend(Ember.TextSupport, /** @scope Ember.TextArea.prototype */ { classNames: ['ember-text-area'], tagName: "textarea", /** @private */ didInsertElement: function() { this._updateElementValue(); }, _updateElementValue: Ember.observer(function() { this.$().val(get(this, 'value')); }, 'value') }); })({}); (function(exports) { Ember.TabContainerView = Ember.View.extend(); })({}); (function(exports) { var get = Ember.get, getPath = Ember.getPath; Ember.TabPaneView = Ember.View.extend({ tabsContainer: Ember.computed(function() { return this.nearestInstanceOf(Ember.TabContainerView); }).property(), isVisible: Ember.computed(function() { return get(this, 'viewName') === getPath(this, 'tabsContainer.currentView'); }).property('tabsContainer.currentView') }); })({}); (function(exports) { var get = Ember.get, setPath = Ember.setPath; Ember.TabView = Ember.View.extend({ tabsContainer: Ember.computed(function() { return this.nearestInstanceOf(Ember.TabContainerView); }).property(), mouseUp: function() { setPath(this, 'tabsContainer.currentView', get(this, 'value')); } }); })({}); (function(exports) { })({}); (function(exports) { var set = Ember.set, get = Ember.get, getPath = Ember.getPath; Ember.Select = Ember.View.extend({ tagName: 'select', template: Ember.Handlebars.compile( '{{#if prompt}}{{/if}}' + '{{#each content}}{{view Ember.SelectOption contentBinding="this"}}{{/each}}' ), content: null, selection: null, prompt: null, optionLabelPath: 'content', optionValuePath: 'content', didInsertElement: function() { var selection = get(this, 'selection'); if (selection) { this.selectionDidChange(); } this.change(); }, change: function() { var selectedIndex = this.$()[0].selectedIndex, content = get(this, 'content'), prompt = get(this, 'prompt'); if (!content) { return; } if (prompt && selectedIndex === 0) { set(this, 'selection', null); return; } if (prompt) { selectedIndex -= 1; } set(this, 'selection', content.objectAt(selectedIndex)); }, selectionDidChange: Ember.observer(function() { var el = this.$()[0], content = get(this, 'content'), selection = get(this, 'selection'), selectionIndex = content.indexOf(selection), prompt = get(this, 'prompt'); if (prompt) { selectionIndex += 1; } if (el) { el.selectedIndex = selectionIndex; } }, 'selection') }); Ember.SelectOption = Ember.View.extend({ tagName: 'option', template: Ember.Handlebars.compile("{{label}}"), attributeBindings: ['value'], init: function() { this.labelPathDidChange(); this.valuePathDidChange(); this._super(); }, labelPathDidChange: Ember.observer(function() { var labelPath = getPath(this, 'parentView.optionLabelPath'); if (!labelPath) { return; } Ember.defineProperty(this, 'label', Ember.computed(function() { return getPath(this, labelPath); }).property(labelPath).cacheable()); }, 'parentView.optionLabelPath'), valuePathDidChange: Ember.observer(function() { var valuePath = getPath(this, 'parentView.optionValuePath'); if (!valuePath) { return; } Ember.defineProperty(this, 'value', Ember.computed(function() { return getPath(this, valuePath); }).property(valuePath).cacheable()); }, 'parentView.optionValuePath') }); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== })({}); (function(exports) { var set = Ember.set, get = Ember.get, getPath = Ember.getPath; Ember.Metamorph = Ember.Mixin.create({ isVirtual: true, tagName: '', init: function() { this._super(); set(this, 'morph', Metamorph()); }, beforeRender: function(buffer) { var morph = get(this, 'morph'); buffer.push(morph.startTag()); }, afterRender: function(buffer) { var morph = get(this, 'morph'); buffer.push(morph.endTag()); }, createElement: function() { var buffer = this.renderToBuffer(); set(this, 'outerHTML', buffer.string()); this.clearBuffer(); }, domManagerClass: Ember.Object.extend({ remove: function(view) { var morph = getPath(this, 'view.morph'); if (morph.isRemoved()) { return; } getPath(this, 'view.morph').remove(); }, prepend: function(childView) { var view = get(this, 'view'); childView._insertElementLater(function() { var morph = get(view, 'morph'); morph.prepend(get(childView, 'outerHTML')); childView.set('outerHTML', null); }); }, after: function(nextView) { var view = get(this, 'view'); nextView._insertElementLater(function() { var morph = get(view, 'morph'); morph.after(get(nextView, 'outerHTML')); nextView.set('outerHTML', null); }); }, replace: function() { var view = get(this, 'view'); var morph = getPath(this, 'view.morph'); view.transitionTo('preRender'); view.clearRenderedChildren(); var buffer = view.renderToBuffer(); Ember.run.schedule('render', this, function() { if (get(view, 'isDestroyed')) { return; } view.invalidateRecursively('element'); view._notifyWillInsertElement(); morph.replaceWith(buffer.string()); view.transitionTo('inDOM'); view._notifyDidInsertElement(); }); } }) }); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== /*globals Handlebars */ var get = Ember.get, set = Ember.set, getPath = Ember.Handlebars.getPath; /** @ignore @private @class Ember._BindableSpanView is a private view created by the Handlebars `{{bind}}` helpers that is used to keep track of bound properties. Every time a property is bound using a `{{mustache}}`, an anonymous subclass of Ember._BindableSpanView is created with the appropriate sub-template and context set up. When the associated property changes, just the template for this view will re-render. */ Ember._BindableSpanView = Ember.View.extend(Ember.Metamorph, /** @scope Ember._BindableSpanView.prototype */{ /** The function used to determine if the `displayTemplate` or `inverseTemplate` should be rendered. This should be a function that takes a value and returns a Boolean. @type Function @default null */ shouldDisplayFunc: null, /** Whether the template rendered by this view gets passed the context object of its parent template, or gets passed the value of retrieving `property` from the previous context. For example, this is true when using the `{{#if}}` helper, because the template inside the helper should look up properties relative to the same object as outside the block. This would be NO when used with `{{#with foo}}` because the template should receive the object found by evaluating `foo`. @type Boolean @default false */ preserveContext: false, /** The template to render when `shouldDisplayFunc` evaluates to true. @type Function @default null */ displayTemplate: null, /** The template to render when `shouldDisplayFunc` evaluates to false. @type Function @default null */ inverseTemplate: null, /** The key to look up on `previousContext` that is passed to `shouldDisplayFunc` to determine which template to render. In addition, if `preserveContext` is false, this object will be passed to the template when rendering. @type String @default null */ property: null, normalizedValue: Ember.computed(function() { var property = get(this, 'property'), context = get(this, 'previousContext'), valueNormalizer = get(this, 'valueNormalizerFunc'), result; // Use the current context as the result if no // property is provided. if (property === '') { result = context; } else { result = getPath(context, property); } return valueNormalizer ? valueNormalizer(result) : result; }).property('property', 'previousContext', 'valueNormalizerFunc'), rerenderIfNeeded: function() { if (!get(this, 'isDestroyed') && get(this, 'normalizedValue') !== this._lastNormalizedValue) { this.rerender(); } }, /** Determines which template to invoke, sets up the correct state based on that logic, then invokes the default Ember.View `render` implementation. This method will first look up the `property` key on `previousContext`, then pass that value to the `shouldDisplayFunc` function. If that returns true, the `displayTemplate` function will be rendered to DOM. Otherwise, `inverseTemplate`, if specified, will be rendered. For example, if this Ember._BindableSpan represented the {{#with foo}} helper, it would look up the `foo` property of its context, and `shouldDisplayFunc` would always return true. The object found by looking up `foo` would be passed to `displayTemplate`. @param {Ember.RenderBuffer} buffer */ render: function(buffer) { // If not invoked via a triple-mustache ({{{foo}}}), escape // the content of the template. var escape = get(this, 'isEscaped'); var shouldDisplay = get(this, 'shouldDisplayFunc'), preserveContext = get(this, 'preserveContext'), context = get(this, 'previousContext'); var inverseTemplate = get(this, 'inverseTemplate'), displayTemplate = get(this, 'displayTemplate'); var result = get(this, 'normalizedValue'); this._lastNormalizedValue = result; // First, test the conditional to see if we should // render the template or not. if (shouldDisplay(result)) { set(this, 'template', displayTemplate); // If we are preserving the context (for example, if this // is an #if block, call the template with the same object. if (preserveContext) { set(this, 'templateContext', context); } else { // Otherwise, determine if this is a block bind or not. // If so, pass the specified object to the template if (displayTemplate) { set(this, 'templateContext', result); } else { // This is not a bind block, just push the result of the // expression to the render context and return. if (result == null) { result = ""; } else { result = String(result); } if (escape) { result = Handlebars.Utils.escapeExpression(result); } buffer.push(result); return; } } } else if (inverseTemplate) { set(this, 'template', inverseTemplate); if (preserveContext) { set(this, 'templateContext', context); } else { set(this, 'templateContext', result); } } else { set(this, 'template', function() { return ''; }); } return this._super(buffer); } }); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== /*globals Handlebars */ var get = Ember.get, getPath = Ember.Handlebars.getPath, set = Ember.set, fmt = Ember.String.fmt; var EmberHandlebars = Ember.Handlebars, helpers = EmberHandlebars.helpers; var helpers = EmberHandlebars.helpers; (function() { // Binds a property into the DOM. This will create a hook in DOM that the // KVO system will look for and update if the property changes. var bind = function(property, options, preserveContext, shouldDisplay, valueNormalizer) { var data = options.data, fn = options.fn, inverse = options.inverse, view = data.view, ctx = this; // Set up observers for observable objects if ('object' === typeof this) { // Create the view that will wrap the output of this template/property // and add it to the nearest view's childViews array. // See the documentation of Ember._BindableSpanView for more. var bindView = view.createChildView(Ember._BindableSpanView, { preserveContext: preserveContext, shouldDisplayFunc: shouldDisplay, valueNormalizerFunc: valueNormalizer, displayTemplate: fn, inverseTemplate: inverse, property: property, previousContext: ctx, isEscaped: options.hash.escaped }); view.appendChild(bindView); /** @private */ var observer = function() { Ember.run.once(bindView, 'rerenderIfNeeded'); }; // Observes the given property on the context and // tells the Ember._BindableSpan to re-render. If property // is an empty string, we are printing the current context // object ({{this}}) so updating it is not our responsibility. if (property !== '') { Ember.addObserver(ctx, property, observer); } } else { // The object is not observable, so just render it out and // be done with it. data.buffer.push(getPath(this, property)); } }; /** '_triageMustache' is used internally select between a binding and helper for the given context. Until this point, it would be hard to determine if the mustache is a property reference or a regular helper reference. This triage helper resolves that. This would not be typically invoked by directly. @private @name Handlebars.helpers._triageMustache @param {String} property Property/helperID to triage @param {Function} fn Context to provide for rendering @returns {String} HTML string */ EmberHandlebars.registerHelper('_triageMustache', function(property, fn) { ember_assert("You cannot pass more than one argument to the _triageMustache helper", arguments.length <= 2); if (helpers[property]) { return helpers[property].call(this, fn); } else { return helpers.bind.apply(this, arguments); } }); /** `bind` can be used to display a value, then update that value if it changes. For example, if you wanted to print the `title` property of `content`: {{bind "content.title"}} This will return the `title` property as a string, then create a new observer at the specified path. If it changes, it will update the value in DOM. Note that if you need to support IE7 and IE8 you must modify the model objects properties using Ember.get() and Ember.set() for this to work as it relies on Ember's KVO system. For all other browsers this will be handled for you automatically. @private @name Handlebars.helpers.bind @param {String} property Property to bind @param {Function} fn Context to provide for rendering @returns {String} HTML string */ EmberHandlebars.registerHelper('bind', function(property, fn) { ember_assert("You cannot pass more than one argument to the bind helper", arguments.length <= 2); var context = (fn.contexts && fn.contexts[0]) || this; return bind.call(context, property, fn, false, function(result) { return !Ember.none(result); }); }); /** Use the `boundIf` helper to create a conditional that re-evaluates whenever the bound value changes. {{#boundIf "content.shouldDisplayTitle"}} {{content.title}} {{/boundIf}} @private @name Handlebars.helpers.boundIf @param {String} property Property to bind @param {Function} fn Context to provide for rendering @returns {String} HTML string */ EmberHandlebars.registerHelper('boundIf', function(property, fn) { var context = (fn.contexts && fn.contexts[0]) || this; var func = function(result) { if (Ember.typeOf(result) === 'array') { return get(result, 'length') !== 0; } else { return !!result; } }; return bind.call(context, property, fn, true, func, func); }); })(); /** @name Handlebars.helpers.with @param {Function} context @param {Hash} options @returns {String} HTML string */ EmberHandlebars.registerHelper('with', function(context, options) { ember_assert("You must pass exactly one argument to the with helper", arguments.length == 2); ember_assert("You must pass a block to the with helper", options.fn && options.fn !== Handlebars.VM.noop); return helpers.bind.call(options.contexts[0], context, options); }); /** @name Handlebars.helpers.if @param {Function} context @param {Hash} options @returns {String} HTML string */ EmberHandlebars.registerHelper('if', function(context, options) { ember_assert("You must pass exactly one argument to the if helper", arguments.length == 2); ember_assert("You must pass a block to the if helper", options.fn && options.fn !== Handlebars.VM.noop); return helpers.boundIf.call(options.contexts[0], context, options); }); /** @name Handlebars.helpers.unless @param {Function} context @param {Hash} options @returns {String} HTML string */ EmberHandlebars.registerHelper('unless', function(context, options) { ember_assert("You must pass exactly one argument to the unless helper", arguments.length == 2); ember_assert("You must pass a block to the unless helper", options.fn && options.fn !== Handlebars.VM.noop); var fn = options.fn, inverse = options.inverse; options.fn = inverse; options.inverse = fn; return helpers.boundIf.call(options.contexts[0], context, options); }); /** `bindAttr` allows you to create a binding between DOM element attributes and Ember objects. For example: imageTitle

@name Handlebars.helpers.bindAttr @param {Hash} options @returns {String} HTML string */ EmberHandlebars.registerHelper('bindAttr', function(options) { var attrs = options.hash; ember_assert("You must specify at least one hash argument to bindAttr", !!Ember.keys(attrs).length); var view = options.data.view; var ret = []; var ctx = this; // Generate a unique id for this element. This will be added as a // data attribute to the element so it can be looked up when // the bound property changes. var dataId = ++jQuery.uuid; // Handle classes differently, as we can bind multiple classes var classBindings = attrs['class']; if (classBindings !== null && classBindings !== undefined) { var classResults = EmberHandlebars.bindClasses(this, classBindings, view, dataId); ret.push('class="' + classResults.join(' ') + '"'); delete attrs['class']; } var attrKeys = Ember.keys(attrs); // For each attribute passed, create an observer and emit the // current value of the property as an attribute. attrKeys.forEach(function(attr) { var property = attrs[attr]; ember_assert(fmt("You must provide a String for a bound attribute, not %@", [property]), typeof property === 'string'); var value = getPath(ctx, property); ember_assert(fmt("Attributes must be numbers, strings or booleans, not %@", [value]), value == null || typeof value === 'number' || typeof value === 'string' || typeof value === 'boolean'); var observer, invoker; /** @private */ observer = function observer() { var result = getPath(ctx, property); ember_assert(fmt("Attributes must be numbers, strings or booleans, not %@", [result]), result == null || typeof result === 'number' || typeof result === 'string' || typeof result === 'boolean'); var elem = view.$("[data-bindAttr-" + dataId + "='" + dataId + "']"); // If we aren't able to find the element, it means the element // to which we were bound has been removed from the view. // In that case, we can assume the template has been re-rendered // and we need to clean up the observer. if (elem.length === 0) { Ember.removeObserver(ctx, property, invoker); return; } Ember.View.applyAttributeBindings(elem, attr, result); }; /** @private */ invoker = function() { Ember.run.once(observer); }; // Add an observer to the view for when the property changes. // When the observer fires, find the element using the // unique data id and update the attribute to the new value. Ember.addObserver(ctx, property, invoker); // if this changes, also change the logic in ember-views/lib/views/view.js var type = typeof value; if ((type === 'string' || (type === 'number' && !isNaN(value)))) { ret.push(attr + '="' + value + '"'); } else if (value && type === 'boolean') { ret.push(attr + '="' + attr + '"'); } }, this); // Add the unique identifier ret.push('data-bindAttr-' + dataId + '="' + dataId + '"'); return new EmberHandlebars.SafeString(ret.join(' ')); }); /** Helper that, given a space-separated string of property paths and a context, returns an array of class names. Calling this method also has the side effect of setting up observers at those property paths, such that if they change, the correct class name will be reapplied to the DOM element. For example, if you pass the string "fooBar", it will first look up the "fooBar" value of the context. If that value is YES, it will add the "foo-bar" class to the current element (i.e., the dasherized form of "fooBar"). If the value is a string, it will add that string as the class. Otherwise, it will not add any new class name. @param {Ember.Object} context The context from which to lookup properties @param {String} classBindings A string, space-separated, of class bindings to use @param {Ember.View} view The view in which observers should look for the element to update @param {Srting} bindAttrId Optional bindAttr id used to lookup elements @returns {Array} An array of class names to add */ EmberHandlebars.bindClasses = function(context, classBindings, view, bindAttrId) { var ret = [], newClass, value, elem; // Helper method to retrieve the property from the context and // determine which class string to return, based on whether it is // a Boolean or not. var classStringForProperty = function(property) { var split = property.split(':'), className = split[1]; property = split[0]; var val = getPath(context, property); // If value is a Boolean and true, return the dasherized property // name. if (val === YES) { if (className) { return className; } // Normalize property path to be suitable for use // as a class name. For exaple, content.foo.barBaz // becomes bar-baz. var parts = property.split('.'); return Ember.String.dasherize(parts[parts.length-1]); // If the value is not NO, undefined, or null, return the current // value of the property. } else if (val !== NO && val !== undefined && val !== null) { return val; // Nothing to display. Return null so that the old class is removed // but no new class is added. } else { return null; } }; // For each property passed, loop through and setup // an observer. classBindings.split(' ').forEach(function(binding) { // Variable in which the old class value is saved. The observer function // closes over this variable, so it knows which string to remove when // the property changes. var oldClass; var observer, invoker; // Set up an observer on the context. If the property changes, toggle the // class name. /** @private */ observer = function() { // Get the current value of the property newClass = classStringForProperty(binding); elem = bindAttrId ? view.$("[data-bindAttr-" + bindAttrId + "='" + bindAttrId + "']") : view.$(); // If we can't find the element anymore, a parent template has been // re-rendered and we've been nuked. Remove the observer. if (elem.length === 0) { Ember.removeObserver(context, binding, invoker); } else { // If we had previously added a class to the element, remove it. if (oldClass) { elem.removeClass(oldClass); } // If necessary, add a new class. Make sure we keep track of it so // it can be removed in the future. if (newClass) { elem.addClass(newClass); oldClass = newClass; } else { oldClass = null; } } }; /** @private */ invoker = function() { Ember.run.once(observer); }; property = binding.split(':')[0]; Ember.addObserver(context, property, invoker); // We've already setup the observer; now we just need to figure out the // correct behavior right now on the first pass through. value = classStringForProperty(binding); if (value) { ret.push(value); // Make sure we save the current value so that it can be removed if the // observer fires. oldClass = value; } }); return ret; }; })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== /*globals Handlebars ember_assert */ // TODO: Don't require the entire module var get = Ember.get, set = Ember.set; var PARENT_VIEW_PATH = /^parentView\./; /** @private */ Ember.Handlebars.ViewHelper = Ember.Object.create({ viewClassFromHTMLOptions: function(viewClass, options, thisContext) { var extensions = {}, classes = options['class'], dup = false; if (options.id) { extensions.elementId = options.id; dup = true; } if (classes) { classes = classes.split(' '); extensions.classNames = classes; dup = true; } if (options.classBinding) { extensions.classNameBindings = options.classBinding.split(' '); dup = true; } if (dup) { options = jQuery.extend({}, options); delete options.id; delete options['class']; delete options.classBinding; } // Look for bindings passed to the helper and, if they are // local, make them relative to the current context instead of the // view. var path; for (var prop in options) { if (!options.hasOwnProperty(prop)) { continue; } // Test if the property ends in "Binding" if (Ember.IS_BINDING.test(prop)) { path = options[prop]; if (!Ember.isGlobalPath(path)) { if (path === 'this') { options[prop] = 'bindingContext'; } else { options[prop] = 'bindingContext.'+path; } } } } // Make the current template context available to the view // for the bindings set up above. extensions.bindingContext = thisContext; return viewClass.extend(options, extensions); }, helper: function(thisContext, path, options) { var inverse = options.inverse, data = options.data, view = data.view, fn = options.fn, hash = options.hash, newView; if ('string' === typeof path) { newView = Ember.Handlebars.getPath(thisContext, path); ember_assert("Unable to find view at path '" + path + "'", !!newView); } else { newView = path; } ember_assert(Ember.String.fmt('You must pass a view class to the #view helper, not %@ (%@)', [path, newView]), Ember.View.detect(newView)); newView = this.viewClassFromHTMLOptions(newView, hash, thisContext); var currentView = data.view; var viewOptions = {}; if (fn) { ember_assert("You cannot provide a template block if you also specified a templateName", !get(viewOptions, 'templateName') && !newView.PrototypeMixin.keys().indexOf('templateName') >= 0); viewOptions.template = fn; } currentView.appendChild(newView, viewOptions); } }); /** @name Handlebars.helpers.view @param {String} path @param {Hash} options @returns {String} HTML string */ Ember.Handlebars.registerHelper('view', function(path, options) { ember_assert("The view helper only takes a single argument", arguments.length <= 2); // If no path is provided, treat path param as options. if (path && path.data && path.data.isRenderData) { options = path; path = "Ember.View"; } return Ember.Handlebars.ViewHelper.helper(this, path, options); }); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== /*globals Handlebars ember_assert */ // TODO: Don't require all of this module var get = Ember.get, getPath = Ember.Handlebars.getPath, fmt = Ember.String.fmt; /** @name Handlebars.helpers.collection @param {String} path @param {Hash} options @returns {String} HTML string */ Ember.Handlebars.registerHelper('collection', function(path, options) { // If no path is provided, treat path param as options. if (path && path.data && path.data.isRenderData) { options = path; path = undefined; ember_assert("You cannot pass more than one argument to the collection helper", arguments.length === 1); } else { ember_assert("You cannot pass more than one argument to the collection helper", arguments.length === 2); } var fn = options.fn; var data = options.data; var inverse = options.inverse; // If passed a path string, convert that into an object. // Otherwise, just default to the standard class. var collectionClass; collectionClass = path ? getPath(this, path) : Ember.CollectionView; ember_assert(fmt("%@ #collection: Could not find %@", data.view, path), !!collectionClass); var hash = options.hash, itemHash = {}, match; // Extract item view class if provided else default to the standard class var itemViewClass, itemViewPath = hash.itemViewClass; var collectionPrototype = get(collectionClass, 'proto'); delete hash.itemViewClass; itemViewClass = itemViewPath ? getPath(collectionPrototype, itemViewPath) : collectionPrototype.itemViewClass; ember_assert(fmt("%@ #collection: Could not find %@", data.view, itemViewPath), !!itemViewClass); // Go through options passed to the {{collection}} helper and extract options // that configure item views instead of the collection itself. for (var prop in hash) { if (hash.hasOwnProperty(prop)) { match = prop.match(/^item(.)(.*)$/); if(match) { // Convert itemShouldFoo -> shouldFoo itemHash[match[1].toLowerCase() + match[2]] = hash[prop]; // Delete from hash as this will end up getting passed to the // {{view}} helper method. delete hash[prop]; } } } var tagName = hash.tagName || get(collectionClass, 'proto').tagName; if (fn) { itemHash.template = fn; delete options.fn; } if (inverse && inverse !== Handlebars.VM.noop) { var emptyViewClass = Ember.View; if (hash.emptyViewClass) { emptyViewClass = Ember.View.detect(emptyViewClass) ? hash.emptyViewClass : getPath(this, hash.emptyViewClass); } hash.emptyView = emptyViewClass.extend({ template: inverse, tagName: itemHash.tagName }); } if (hash.preserveContext) { itemHash.templateContext = Ember.computed(function() { return get(this, 'content'); }).property('content'); delete hash.preserveContext; } hash.itemViewClass = Ember.Handlebars.ViewHelper.viewClassFromHTMLOptions(itemViewClass, itemHash); return Ember.Handlebars.helpers.view.call(this, collectionClass, options); }); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== /*globals Handlebars */ var getPath = Ember.Handlebars.getPath; /** `unbound` allows you to output a property without binding. *Important:* The output will not be updated if the property changes. Use with caution.

@name Handlebars.helpers.unbound @param {String} property @returns {String} HTML string */ Ember.Handlebars.registerHelper('unbound', function(property, fn) { var context = (fn.contexts && fn.contexts[0]) || this; return getPath(context, property); }); })({}); (function(exports) { // ========================================================================== // Project: Ember Handlebar Views // Copyright: ©2011 Strobe Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== /*globals Handlebars */ var getPath = Ember.getPath; /** `log` allows you to output the value of a value in the current rendering context. {{log myVariable}} @name Handlebars.helpers.log @param {String} property */ Ember.Handlebars.registerHelper('log', function(property, fn) { var context = (fn.contexts && fn.contexts[0]) || this; Ember.Logger.log(getPath(context, property)); }); /** The `debugger` helper executes the `debugger` statement in the current context. {{debugger}} @name Handlebars.helpers.debugger @param {String} property */ Ember.Handlebars.registerHelper('debugger', function() { debugger; }); })({}); (function(exports) { Ember.Handlebars.EachView = Ember.CollectionView.extend(Ember.Metamorph, { itemViewClass: Ember.View.extend(Ember.Metamorph) }); Ember.Handlebars.registerHelper('each', function(path, options) { options.hash.contentBinding = path; options.hash.preserveContext = true; // Set up emptyView as a metamorph with no tag options.hash.itemTagName = ''; options.hash.emptyViewClass = Ember.View.extend(Ember.Metamorph); return Ember.Handlebars.helpers.collection.call(this, 'Ember.Handlebars.EachView', options); }); })({}); (function(exports) { /** `template` allows you to render a template from inside another template. This allows you to re-use the same template in multiple places. For example: This helper looks for templates in the global Ember.TEMPLATES hash. If you add