define("dojox/mobile/Slider", [ "dojo/_base/array", "dojo/_base/connect", "dojo/_base/declare", "dojo/_base/lang", "dojo/_base/window", "dojo/dom-class", "dojo/dom-construct", "dojo/dom-geometry", "dojo/dom-style", "dojo/keys", "dijit/_WidgetBase", "dijit/form/_FormValueMixin" ], function(array, connect, declare, lang, win, domClass, domConstruct, domGeometry, domStyle, keys, WidgetBase, FormValueMixin){ return declare("dojox.mobile.Slider", [WidgetBase, FormValueMixin], { // summary: // A non-templated Slider widget similar to the HTML5 INPUT type=range. // value: [const] Number // The current slider value. value: 0, // min: [const] Number // The first value the slider can be set to. min: 0, // max: [const] Number // The last value the slider can be set to. max: 100, // step: [const] Number // The delta from 1 value to another. // This causes the slider handle to snap/jump to the closest possible value. // A value of 0 means continuous (as much as allowed by pixel resolution). step: 1, // baseClass: String // The name of the CSS class of this widget. baseClass: "mblSlider", // flip: [const] Boolean // Specifies if the slider should change its default: ascending <--> descending. flip: false, // orientation: [const] String // The slider direction. // // - "H": horizontal // - "V": vertical // - "auto": use width/height comparison at instantiation time (default is "H" if width/height are 0) orientation: "auto", // halo: Number // Size of the boundary that extends beyond the edges of the slider // to make it easier to touch. halo: "8pt", buildRendering: function(){ this.focusNode = this.domNode = domConstruct.create("div", {}); this.valueNode = domConstruct.create("input", (this.srcNodeRef && this.srcNodeRef.name) ? { type: "hidden", name: this.srcNodeRef.name } : { type: "hidden" }, this.domNode, "last"); var relativeParent = domConstruct.create("div", { style: { position:"relative", height:"100%", width:"100%" } }, this.domNode, "last"); this.progressBar = domConstruct.create("div", { style:{ position:"absolute" }, "class":"mblSliderProgressBar" }, relativeParent, "last"); this.touchBox = domConstruct.create("div", { style:{ position:"absolute" }, "class":"mblSliderTouchBox" }, relativeParent, "last"); this.handle = domConstruct.create("div", { style:{ position:"absolute" }, "class":"mblSliderHandle" }, relativeParent, "last"); this.inherited(arguments); }, _setValueAttr: function(/*Number*/ value, /*Boolean?*/ priorityChange){ // summary: // Hook such that set('value', value) works. // tags: // private value = Math.max(Math.min(value, this.max), this.min); var fromPercent = (this.value - this.min) * 100 / (this.max - this.min); this.valueNode.value = value; this.inherited(arguments); if(!this._started){ return; } // don't move images until all the properties are set this.focusNode.setAttribute("aria-valuenow", value); var toPercent = (value - this.min) * 100 / (this.max - this.min); // now perform visual slide var horizontal = this.orientation != "V"; if(priorityChange === true){ domClass.add(this.handle, "mblSliderTransition"); domClass.add(this.progressBar, "mblSliderTransition"); }else{ domClass.remove(this.handle, "mblSliderTransition"); domClass.remove(this.progressBar, "mblSliderTransition"); } domStyle.set(this.handle, this._attrs.handleLeft, (this._reversed ? (100-toPercent) : toPercent) + "%"); domStyle.set(this.progressBar, this._attrs.width, toPercent + "%"); }, postCreate: function(){ this.inherited(arguments); function beginDrag(e){ function getEventData(e){ point = isMouse ? e[this._attrs.pageX] : (e.touches ? e.touches[0][this._attrs.pageX] : e[this._attrs.clientX]); pixelValue = point - startPixel; pixelValue = Math.min(Math.max(pixelValue, 0), maxPixels); var discreteValues = this.step ? ((this.max - this.min) / this.step) : maxPixels; if(discreteValues <= 1 || discreteValues == Infinity ){ discreteValues = maxPixels; } var wholeIncrements = Math.round(pixelValue * discreteValues / maxPixels); value = (this.max - this.min) * wholeIncrements / discreteValues; value = this._reversed ? (this.max - value) : (this.min + value); } function continueDrag(e){ e.preventDefault(); lang.hitch(this, getEventData)(e); this.set('value', value, false); } function endDrag(e){ e.preventDefault(); array.forEach(actionHandles, lang.hitch(this, "disconnect")); actionHandles = []; this.set('value', this.value, true); } e.preventDefault(); var isMouse = e.type == "mousedown"; var box = domGeometry.position(node, false); // can't use true since the added docScroll and the returned x are body-zoom incompatibile var bodyZoom = domStyle.get(win.body(), "zoom") || 1; if(isNaN(bodyZoom)){ bodyZoom = 1; } var nodeZoom = domStyle.get(node, "zoom") || 1; if(isNaN(nodeZoom)){ nodeZoom = 1; } var startPixel = box[this._attrs.x] * nodeZoom * bodyZoom + domGeometry.docScroll()[this._attrs.x]; var maxPixels = box[this._attrs.w] * nodeZoom * bodyZoom; lang.hitch(this, getEventData)(e); if(e.target == this.touchBox){ this.set('value', value, true); } array.forEach(actionHandles, connect.disconnect); var root = win.doc.documentElement; var actionHandles = [ this.connect(root, isMouse ? "onmousemove" : "ontouchmove", continueDrag), this.connect(root, isMouse ? "onmouseup" : "ontouchend", endDrag) ]; } function keyPress(/*Event*/ e){ if(this.disabled || this.readOnly || e.altKey || e.ctrlKey || e.metaKey){ return; } var step = this.step, multiplier = 1, newValue; switch(e.keyCode){ case keys.HOME: newValue = this.min; break; case keys.END: newValue = this.max; break; case keys.RIGHT_ARROW: multiplier = -1; case keys.LEFT_ARROW: newValue = this.value + multiplier * ((flip && horizontal) ? step : -step); break; case keys.DOWN_ARROW: multiplier = -1; case keys.UP_ARROW: newValue = this.value + multiplier * ((!flip || horizontal) ? step : -step); break; default: return; } e.preventDefault(); this._setValueAttr(newValue, false); } function keyUp(/*Event*/ e){ if(this.disabled || this.readOnly || e.altKey || e.ctrlKey || e.metaKey){ return; } this._setValueAttr(this.value, true); } var point, pixelValue, value, node = this.domNode; if(this.orientation == "auto"){ this.orientation = node.offsetHeight <= node.offsetWidth ? "H" : "V"; } // add V or H suffix to baseClass for styling purposes domClass.add(this.domNode, array.map(this.baseClass.split(" "), lang.hitch(this, function(c){ return c+this.orientation; }))); var horizontal = this.orientation != "V", ltr = horizontal ? this.isLeftToRight() : false, flip = !!this.flip; // _reversed is complicated since you can have flipped right-to-left and vertical is upside down by default this._reversed = !((horizontal && ((ltr && !flip) || (!ltr && flip))) || (!horizontal && flip)); this._attrs = horizontal ? { x:'x', w:'w', l:'l', r:'r', pageX:'pageX', clientX:'clientX', handleLeft:"left", left:this._reversed ? "right" : "left", width:"width" } : { x:'y', w:'h', l:'t', r:'b', pageX:'pageY', clientX:'clientY', handleLeft:"top", left:this._reversed ? "bottom" : "top", width:"height" }; this.progressBar.style[this._attrs.left] = "0px"; this.connect(this.touchBox, "ontouchstart", beginDrag); this.connect(this.touchBox, "onmousedown", beginDrag); // in case this works this.connect(this.handle, "ontouchstart", beginDrag); this.connect(this.handle, "onmousedown", beginDrag); // in case this works this.connect(this.domNode, "onkeypress", keyPress); // for desktop a11y this.connect(this.domNode, "onkeyup", keyUp); // fire onChange on desktop this.startup(); this.set('value', this.value); } }); });