define("dojox/mobile/Switch", [ "dojo/_base/array", "dojo/_base/connect", "dojo/_base/declare", "dojo/_base/event", "dojo/_base/window", "dojo/dom-class", "dojo/dom-construct", "dojo/dom-style", "dojo/touch", "dijit/_Contained", "dijit/_WidgetBase", "./sniff" ], function(array, connect, declare, event, win, domClass, domConstruct, domStyle, touch, Contained, WidgetBase, has){ // module: // dojox/mobile/Switch return declare("dojox.mobile.Switch", [WidgetBase, Contained],{ // summary: // A toggle switch with a sliding knob. // description: // Switch is a toggle switch with a sliding knob. You can either // tap or slide the knob to toggle the switch. The onStateChanged // handler is called when the switch is manipulated. // value: String // The initial state of the switch. "on" or "off". The default // value is "on". value: "on", // name: String // A name for a hidden input field, which holds the current value. name: "", // leftLabel: String // The left-side label of the switch. leftLabel: "ON", // rightLabel: String // The right-side label of the switch. rightLabel: "OFF", // shape: String // The shape of the switch. // "mblSwDefaultShape", "mblSwSquareShape", "mblSwRoundShape1", // "mblSwRoundShape2", "mblSwArcShape1" or "mblSwArcShape2". // The default value is "mblSwDefaultShape". shape: "mblSwDefaultShape", // tabIndex: String // Tabindex setting for this widget so users can hit the tab key to // focus on it. tabIndex: "0", _setTabIndexAttr: "", // sets tabIndex to domNode /* internal properties */ baseClass: "mblSwitch", // role: [private] String // The accessibility role. role: "", // a11y _createdMasks: [], buildRendering: function(){ this.domNode = (this.srcNodeRef && this.srcNodeRef.tagName === "SPAN") ? this.srcNodeRef : domConstruct.create("span"); this.inherited(arguments); var c = (this.srcNodeRef && this.srcNodeRef.className) || this.className || this["class"]; if((c = c.match(/mblSw.*Shape\d*/))){ this.shape = c; } domClass.add(this.domNode, this.shape); var nameAttr = this.name ? " name=\"" + this.name + "\"" : ""; this.domNode.innerHTML = '
' + '
' + '
' + '
' + '
' + '
' + '
' + '
' + '
' + ''; var n = this.inner = this.domNode.firstChild; this.left = n.childNodes[0]; this.right = n.childNodes[1]; this.knob = n.childNodes[2]; this.input = n.childNodes[3]; }, postCreate: function(){ this._clickHandle = this.connect(this.domNode, "onclick", "_onClick"); this._keydownHandle = this.connect(this.domNode, "onkeydown", "_onClick"); // for desktop browsers this._startHandle = this.connect(this.domNode, touch.press, "onTouchStart"); this._initialValue = this.value; // for reset() }, _changeState: function(/*String*/state, /*Boolean*/anim){ var on = (state === "on"); this.left.style.display = ""; this.right.style.display = ""; this.inner.style.left = ""; if(anim){ domClass.add(this.domNode, "mblSwitchAnimation"); } domClass.remove(this.domNode, on ? "mblSwitchOff" : "mblSwitchOn"); domClass.add(this.domNode, on ? "mblSwitchOn" : "mblSwitchOff"); var _this = this; setTimeout(function(){ _this.left.style.display = on ? "" : "none"; _this.right.style.display = !on ? "" : "none"; domClass.remove(_this.domNode, "mblSwitchAnimation"); }, anim ? 300 : 0); }, _createMaskImage: function(){ if(this._hasMaskImage){ return; } this._width = this.domNode.offsetWidth - this.knob.offsetWidth; this._hasMaskImage = true; if(!has("webkit")){ return; } var rDef = domStyle.get(this.left, "borderTopLeftRadius"); if(rDef == "0px"){ return; } var rDefs = rDef.split(" "); var rx = parseFloat(rDefs[0]), ry = (rDefs.length == 1) ? rx : parseFloat(rDefs[1]); var w = this.domNode.offsetWidth, h = this.domNode.offsetHeight; var id = (this.shape+"Mask"+w+h+rx+ry).replace(/\./,"_"); if(!this._createdMasks[id]){ this._createdMasks[id] = 1; var ctx = win.doc.getCSSCanvasContext("2d", id, w, h); ctx.fillStyle = "#000000"; ctx.beginPath(); if(rx == ry){ // round arc ctx.moveTo(rx, 0); ctx.arcTo(0, 0, 0, rx, rx); ctx.lineTo(0, h - rx); ctx.arcTo(0, h, rx, h, rx); ctx.lineTo(w - rx, h); ctx.arcTo(w, h, w, rx, rx); ctx.lineTo(w, rx); ctx.arcTo(w, 0, w - rx, 0, rx); }else{ // elliptical arc var pi = Math.PI; ctx.scale(1, ry/rx); ctx.moveTo(rx, 0); ctx.arc(rx, rx, rx, 1.5 * pi, 0.5 * pi, true); ctx.lineTo(w - rx, 2 * rx); ctx.arc(w - rx, rx, rx, 0.5 * pi, 1.5 * pi, true); } ctx.closePath(); ctx.fill(); } this.domNode.style.webkitMaskImage = "-webkit-canvas(" + id + ")"; }, _onClick: function(e){ // summary: // Internal handler for click events. // tags: // private if(e && e.type === "keydown" && e.keyCode !== 13){ return; } if(this.onClick(e) === false){ return; } // user's click action if(this._moved){ return; } this.value = this.input.value = (this.value == "on") ? "off" : "on"; this._changeState(this.value, true); this.onStateChanged(this.value); }, onClick: function(/*Event*/ /*===== e =====*/){ // summary: // User defined function to handle clicks // tags: // callback }, onTouchStart: function(/*Event*/e){ // summary: // Internal function to handle touchStart events. this._moved = false; this.innerStartX = this.inner.offsetLeft; if(!this._conn){ this._conn = [ this.connect(this.inner, touch.move, "onTouchMove"), this.connect(this.inner, touch.release, "onTouchEnd") ]; } this.touchStartX = e.touches ? e.touches[0].pageX : e.clientX; this.left.style.display = ""; this.right.style.display = ""; event.stop(e); this._createMaskImage(); }, onTouchMove: function(/*Event*/e){ // summary: // Internal function to handle touchMove events. e.preventDefault(); var dx; if(e.targetTouches){ if(e.targetTouches.length != 1){ return; } dx = e.targetTouches[0].clientX - this.touchStartX; }else{ dx = e.clientX - this.touchStartX; } var pos = this.innerStartX + dx; var d = 10; if(pos <= -(this._width-d)){ pos = -this._width; } if(pos >= -d){ pos = 0; } this.inner.style.left = pos + "px"; if(Math.abs(dx) > d){ this._moved = true; } }, onTouchEnd: function(/*Event*/e){ // summary: // Internal function to handle touchEnd events. array.forEach(this._conn, connect.disconnect); this._conn = null; if(this.innerStartX == this.inner.offsetLeft){ if(has('touch')){ var ev = win.doc.createEvent("MouseEvents"); ev.initEvent("click", true, true); this.inner.dispatchEvent(ev); } return; } var newState = (this.inner.offsetLeft < -(this._width/2)) ? "off" : "on"; this._changeState(newState, true); if(newState != this.value){ this.value = this.input.value = newState; this.onStateChanged(newState); } }, onStateChanged: function(/*String*/newState){ // summary: // Stub function to connect to from your application. // description: // Called when the state has been changed. }, _setValueAttr: function(/*String*/value){ this._changeState(value, false); if(this.value != value){ this.onStateChanged(value); } this.value = this.input.value = value; }, _setLeftLabelAttr: function(/*String*/label){ this.leftLabel = label; this.left.firstChild.innerHTML = this._cv ? this._cv(label) : label; }, _setRightLabelAttr: function(/*String*/label){ this.rightLabel = label; this.right.firstChild.innerHTML = this._cv ? this._cv(label) : label; }, reset: function(){ // summary: // Reset the widget's value to what it was at initialization time this.set("value", this._initialValue); } }); });