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//>>built
define("dojox/mobile/Switch", [
"dojo/_base/array",
"dojo/_base/connect",
"dojo/_base/declare",
"dojo/_base/event",
"dojo/_base/window",
"dojo/dom-class",
"dijit/_Contained",
"dijit/_WidgetBase",
"./sniff"
], function(array, connect, declare, event, win, domClass, Contained, WidgetBase, has){
/*=====
Contained = dijit._Contained;
WidgetBase = dijit._WidgetBase;
=====*/
// module:
// dojox/mobile/Switch
// summary:
// A toggle switch with a sliding knob.
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",
/* internal properties */
_width: 53,
buildRendering: function(){
this.domNode = win.doc.createElement("DIV");
var c = (this.srcNodeRef && this.srcNodeRef.className) || this.className || this["class"];
this._swClass = (c || "").replace(/ .*/,"");
this.domNode.className = "mblSwitch";
var nameAttr = this.name ? " name=\"" + this.name + "\"" : "";
this.domNode.innerHTML =
'<div class="mblSwitchInner">'
+ '<div class="mblSwitchBg mblSwitchBgLeft">'
+ '<div class="mblSwitchText mblSwitchTextLeft"></div>'
+ '</div>'
+ '<div class="mblSwitchBg mblSwitchBgRight">'
+ '<div class="mblSwitchText mblSwitchTextRight"></div>'
+ '</div>'
+ '<div class="mblSwitchKnob"></div>'
+ '<input type="hidden"'+nameAttr+'></div>'
+ '</div>';
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.connect(this.domNode, "onclick", "onClick");
this.connect(this.domNode, has("touch") ? "touchstart" : "onmousedown", "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);
},
startup: function(){
if(this._swClass.indexOf("Round") != -1){
var r = Math.round(this.domNode.offsetHeight / 2);
this.createRoundMask(this._swClass, r, this.domNode.offsetWidth);
}
},
createRoundMask: function(className, r, w){
if(!has("webkit") || !className){ return; }
if(!this._createdMasks){ this._createdMasks = []; }
if(this._createdMasks[className]){ return; }
this._createdMasks[className] = 1;
var ctx = win.doc.getCSSCanvasContext("2d", className+"Mask", w, 100);
ctx.fillStyle = "#000000";
ctx.beginPath();
ctx.moveTo(r, 0);
ctx.arcTo(0, 0, 0, 2*r, r);
ctx.arcTo(0, 2*r, r, 2*r, r);
ctx.lineTo(w - r, 2*r);
ctx.arcTo(w, 2*r, w, r, r);
ctx.arcTo(w, 0, w - r, 0, r);
ctx.closePath();
ctx.fill();
},
onClick: function(e){
if(this._moved){ return; }
this.value = this.input.value = (this.value == "on") ? "off" : "on";
this._changeState(this.value, true);
this.onStateChanged(this.value);
},
onTouchStart: function(e){
// summary:
// Internal function to handle touchStart events.
this._moved = false;
this.innerStartX = this.inner.offsetLeft;
if(!this._conn){
this._conn = [];
this._conn.push(connect.connect(this.inner, has("touch") ? "touchmove" : "onmousemove", this, "onTouchMove"));
this._conn.push(connect.connect(this.inner, has("touch") ? "touchend" : "onmouseup", this, "onTouchEnd"));
}
this.touchStartX = e.touches ? e.touches[0].pageX : e.clientX;
this.left.style.display = "";
this.right.style.display = "";
event.stop(e);
},
onTouchMove: function(e){
// summary:
// Internal function to handle touchMove events.
e.preventDefault();
var dx;
if(e.targetTouches){
if(e.targetTouches.length != 1){ return false; }
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(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);
}
});
});
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