You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
344 lines
15 KiB
JavaScript
344 lines
15 KiB
JavaScript
/*
|
|
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
|
|
Available via Academic Free License >= 2.1 OR the modified BSD license.
|
|
see: http://dojotoolkit.org/license for details
|
|
*/
|
|
|
|
|
|
if(!dojo._hasResource["dijit.form.HorizontalSlider"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
|
|
dojo._hasResource["dijit.form.HorizontalSlider"] = true;
|
|
dojo.provide("dijit.form.HorizontalSlider");
|
|
dojo.require("dijit.form._FormWidget");
|
|
dojo.require("dijit._Container");
|
|
dojo.require("dojo.dnd.move");
|
|
dojo.require("dijit.form.Button");
|
|
dojo.require("dojo.number");
|
|
|
|
|
|
dojo.declare(
|
|
"dijit.form.HorizontalSlider",
|
|
[dijit.form._FormValueWidget, dijit._Container],
|
|
{
|
|
// summary:
|
|
// A form widget that allows one to select a value with a horizontally draggable handle
|
|
|
|
templateString: dojo.cache("dijit.form", "templates/HorizontalSlider.html", "<table class=\"dijit dijitReset dijitSlider dijitSliderH\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" rules=\"none\" dojoAttachEvent=\"onkeypress:_onKeyPress,onkeyup:_onKeyUp\"\n\t><tr class=\"dijitReset\"\n\t\t><td class=\"dijitReset\" colspan=\"2\"></td\n\t\t><td dojoAttachPoint=\"topDecoration\" class=\"dijitReset dijitSliderDecoration dijitSliderDecorationT dijitSliderDecorationH\"></td\n\t\t><td class=\"dijitReset\" colspan=\"2\"></td\n\t></tr\n\t><tr class=\"dijitReset\"\n\t\t><td class=\"dijitReset dijitSliderButtonContainer dijitSliderButtonContainerH\"\n\t\t\t><div class=\"dijitSliderDecrementIconH\" style=\"display:none\" dojoAttachPoint=\"decrementButton\"><span class=\"dijitSliderButtonInner\">-</span></div\n\t\t></td\n\t\t><td class=\"dijitReset\"\n\t\t\t><div class=\"dijitSliderBar dijitSliderBumper dijitSliderBumperH dijitSliderLeftBumper\" dojoAttachEvent=\"onmousedown:_onClkDecBumper\"></div\n\t\t></td\n\t\t><td class=\"dijitReset\"\n\t\t\t><input dojoAttachPoint=\"valueNode\" type=\"hidden\" ${!nameAttrSetting}\n\t\t\t/><div class=\"dijitReset dijitSliderBarContainerH\" role=\"presentation\" dojoAttachPoint=\"sliderBarContainer\"\n\t\t\t\t><div role=\"presentation\" dojoAttachPoint=\"progressBar\" class=\"dijitSliderBar dijitSliderBarH dijitSliderProgressBar dijitSliderProgressBarH\" dojoAttachEvent=\"onmousedown:_onBarClick\"\n\t\t\t\t\t><div class=\"dijitSliderMoveable dijitSliderMoveableH\"\n\t\t\t\t\t\t><div dojoAttachPoint=\"sliderHandle,focusNode\" class=\"dijitSliderImageHandle dijitSliderImageHandleH\" dojoAttachEvent=\"onmousedown:_onHandleClick\" role=\"slider\" valuemin=\"${minimum}\" valuemax=\"${maximum}\"></div\n\t\t\t\t\t></div\n\t\t\t\t></div\n\t\t\t\t><div role=\"presentation\" dojoAttachPoint=\"remainingBar\" class=\"dijitSliderBar dijitSliderBarH dijitSliderRemainingBar dijitSliderRemainingBarH\" dojoAttachEvent=\"onmousedown:_onBarClick\"></div\n\t\t\t></div\n\t\t></td\n\t\t><td class=\"dijitReset\"\n\t\t\t><div class=\"dijitSliderBar dijitSliderBumper dijitSliderBumperH dijitSliderRightBumper\" dojoAttachEvent=\"onmousedown:_onClkIncBumper\"></div\n\t\t></td\n\t\t><td class=\"dijitReset dijitSliderButtonContainer dijitSliderButtonContainerH\"\n\t\t\t><div class=\"dijitSliderIncrementIconH\" style=\"display:none\" dojoAttachPoint=\"incrementButton\"><span class=\"dijitSliderButtonInner\">+</span></div\n\t\t></td\n\t></tr\n\t><tr class=\"dijitReset\"\n\t\t><td class=\"dijitReset\" colspan=\"2\"></td\n\t\t><td dojoAttachPoint=\"containerNode,bottomDecoration\" class=\"dijitReset dijitSliderDecoration dijitSliderDecorationB dijitSliderDecorationH\"></td\n\t\t><td class=\"dijitReset\" colspan=\"2\"></td\n\t></tr\n></table>\n"),
|
|
|
|
// Overrides FormValueWidget.value to indicate numeric value
|
|
value: 0,
|
|
|
|
// showButtons: [const] Boolean
|
|
// Show increment/decrement buttons at the ends of the slider?
|
|
showButtons: true,
|
|
|
|
// minimum:: [const] Integer
|
|
// The minimum value the slider can be set to.
|
|
minimum: 0,
|
|
|
|
// maximum: [const] Integer
|
|
// The maximum value the slider can be set to.
|
|
maximum: 100,
|
|
|
|
// discreteValues: Integer
|
|
// If specified, indicates that the slider handle has only 'discreteValues' possible positions,
|
|
// and that after dragging the handle, it will snap to the nearest possible position.
|
|
// Thus, the slider has only 'discreteValues' possible values.
|
|
//
|
|
// For example, if minimum=10, maxiumum=30, and discreteValues=3, then the slider handle has
|
|
// three possible positions, representing values 10, 20, or 30.
|
|
//
|
|
// If discreteValues is not specified or if it's value is higher than the number of pixels
|
|
// in the slider bar, then the slider handle can be moved freely, and the slider's value will be
|
|
// computed/reported based on pixel position (in this case it will likely be fractional,
|
|
// such as 123.456789).
|
|
discreteValues: Infinity,
|
|
|
|
// pageIncrement: Integer
|
|
// If discreteValues is also specified, this indicates the amount of clicks (ie, snap positions)
|
|
// that the slider handle is moved via pageup/pagedown keys.
|
|
// If discreteValues is not specified, it indicates the number of pixels.
|
|
pageIncrement: 2,
|
|
|
|
// clickSelect: Boolean
|
|
// If clicking the slider bar changes the value or not
|
|
clickSelect: true,
|
|
|
|
// slideDuration: Number
|
|
// The time in ms to take to animate the slider handle from 0% to 100%,
|
|
// when clicking the slider bar to make the handle move.
|
|
slideDuration: dijit.defaultDuration,
|
|
|
|
// Flag to _Templated (TODO: why is this here? I see no widgets in the template.)
|
|
widgetsInTemplate: true,
|
|
|
|
attributeMap: dojo.delegate(dijit.form._FormWidget.prototype.attributeMap, {
|
|
id: ""
|
|
}),
|
|
|
|
baseClass: "dijitSlider",
|
|
|
|
// Apply CSS classes to up/down arrows and handle per mouse state
|
|
cssStateNodes: {
|
|
incrementButton: "dijitSliderIncrementButton",
|
|
decrementButton: "dijitSliderDecrementButton",
|
|
focusNode: "dijitSliderThumb"
|
|
},
|
|
|
|
_mousePixelCoord: "pageX",
|
|
_pixelCount: "w",
|
|
_startingPixelCoord: "x",
|
|
_startingPixelCount: "l",
|
|
_handleOffsetCoord: "left",
|
|
_progressPixelSize: "width",
|
|
|
|
_onKeyUp: function(/*Event*/ e){
|
|
if(this.disabled || this.readOnly || e.altKey || e.ctrlKey || e.metaKey){ return; }
|
|
this._setValueAttr(this.value, true);
|
|
},
|
|
|
|
_onKeyPress: function(/*Event*/ e){
|
|
if(this.disabled || this.readOnly || e.altKey || e.ctrlKey || e.metaKey){ return; }
|
|
switch(e.charOrCode){
|
|
case dojo.keys.HOME:
|
|
this._setValueAttr(this.minimum, false);
|
|
break;
|
|
case dojo.keys.END:
|
|
this._setValueAttr(this.maximum, false);
|
|
break;
|
|
// this._descending === false: if ascending vertical (min on top)
|
|
// (this._descending || this.isLeftToRight()): if left-to-right horizontal or descending vertical
|
|
case ((this._descending || this.isLeftToRight()) ? dojo.keys.RIGHT_ARROW : dojo.keys.LEFT_ARROW):
|
|
case (this._descending === false ? dojo.keys.DOWN_ARROW : dojo.keys.UP_ARROW):
|
|
case (this._descending === false ? dojo.keys.PAGE_DOWN : dojo.keys.PAGE_UP):
|
|
this.increment(e);
|
|
break;
|
|
case ((this._descending || this.isLeftToRight()) ? dojo.keys.LEFT_ARROW : dojo.keys.RIGHT_ARROW):
|
|
case (this._descending === false ? dojo.keys.UP_ARROW : dojo.keys.DOWN_ARROW):
|
|
case (this._descending === false ? dojo.keys.PAGE_UP : dojo.keys.PAGE_DOWN):
|
|
this.decrement(e);
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
dojo.stopEvent(e);
|
|
},
|
|
|
|
_onHandleClick: function(e){
|
|
if(this.disabled || this.readOnly){ return; }
|
|
if(!dojo.isIE){
|
|
// make sure you get focus when dragging the handle
|
|
// (but don't do on IE because it causes a flicker on mouse up (due to blur then focus)
|
|
dijit.focus(this.sliderHandle);
|
|
}
|
|
dojo.stopEvent(e);
|
|
},
|
|
|
|
_isReversed: function(){
|
|
// summary:
|
|
// Returns true if direction is from right to left
|
|
// tags:
|
|
// protected extension
|
|
return !this.isLeftToRight();
|
|
},
|
|
|
|
_onBarClick: function(e){
|
|
if(this.disabled || this.readOnly || !this.clickSelect){ return; }
|
|
dijit.focus(this.sliderHandle);
|
|
dojo.stopEvent(e);
|
|
var abspos = dojo.position(this.sliderBarContainer, true);
|
|
var pixelValue = e[this._mousePixelCoord] - abspos[this._startingPixelCoord];
|
|
this._setPixelValue(this._isReversed() ? (abspos[this._pixelCount] - pixelValue) : pixelValue, abspos[this._pixelCount], true);
|
|
this._movable.onMouseDown(e);
|
|
},
|
|
|
|
_setPixelValue: function(/*Number*/ pixelValue, /*Number*/ maxPixels, /*Boolean?*/ priorityChange){
|
|
if(this.disabled || this.readOnly){ return; }
|
|
pixelValue = pixelValue < 0 ? 0 : maxPixels < pixelValue ? maxPixels : pixelValue;
|
|
var count = this.discreteValues;
|
|
if(count <= 1 || count == Infinity){ count = maxPixels; }
|
|
count--;
|
|
var pixelsPerValue = maxPixels / count;
|
|
var wholeIncrements = Math.round(pixelValue / pixelsPerValue);
|
|
this._setValueAttr((this.maximum-this.minimum)*wholeIncrements/count + this.minimum, priorityChange);
|
|
},
|
|
|
|
_setValueAttr: function(/*Number*/ value, /*Boolean?*/ priorityChange){
|
|
// summary:
|
|
// Hook so set('value', value) works.
|
|
this._set("value", value);
|
|
this.valueNode.value = value;
|
|
dijit.setWaiState(this.focusNode, "valuenow", value);
|
|
this.inherited(arguments);
|
|
var percent = (value - this.minimum) / (this.maximum - this.minimum);
|
|
var progressBar = (this._descending === false) ? this.remainingBar : this.progressBar;
|
|
var remainingBar = (this._descending === false) ? this.progressBar : this.remainingBar;
|
|
if(this._inProgressAnim && this._inProgressAnim.status != "stopped"){
|
|
this._inProgressAnim.stop(true);
|
|
}
|
|
if(priorityChange && this.slideDuration > 0 && progressBar.style[this._progressPixelSize]){
|
|
// animate the slider
|
|
var _this = this;
|
|
var props = {};
|
|
var start = parseFloat(progressBar.style[this._progressPixelSize]);
|
|
var duration = this.slideDuration * (percent-start/100);
|
|
if(duration == 0){ return; }
|
|
if(duration < 0){ duration = 0 - duration; }
|
|
props[this._progressPixelSize] = { start: start, end: percent*100, units:"%" };
|
|
this._inProgressAnim = dojo.animateProperty({ node: progressBar, duration: duration,
|
|
onAnimate: function(v){ remainingBar.style[_this._progressPixelSize] = (100-parseFloat(v[_this._progressPixelSize])) + "%"; },
|
|
onEnd: function(){ delete _this._inProgressAnim; },
|
|
properties: props
|
|
})
|
|
this._inProgressAnim.play();
|
|
}else{
|
|
progressBar.style[this._progressPixelSize] = (percent*100) + "%";
|
|
remainingBar.style[this._progressPixelSize] = ((1-percent)*100) + "%";
|
|
}
|
|
},
|
|
|
|
_bumpValue: function(signedChange, /*Boolean?*/ priorityChange){
|
|
if(this.disabled || this.readOnly){ return; }
|
|
var s = dojo.getComputedStyle(this.sliderBarContainer);
|
|
var c = dojo._getContentBox(this.sliderBarContainer, s);
|
|
var count = this.discreteValues;
|
|
if(count <= 1 || count == Infinity){ count = c[this._pixelCount]; }
|
|
count--;
|
|
var value = (this.value - this.minimum) * count / (this.maximum - this.minimum) + signedChange;
|
|
if(value < 0){ value = 0; }
|
|
if(value > count){ value = count; }
|
|
value = value * (this.maximum - this.minimum) / count + this.minimum;
|
|
this._setValueAttr(value, priorityChange);
|
|
},
|
|
|
|
_onClkBumper: function(val){
|
|
if(this.disabled || this.readOnly || !this.clickSelect){ return; }
|
|
this._setValueAttr(val, true);
|
|
},
|
|
|
|
_onClkIncBumper: function(){
|
|
this._onClkBumper(this._descending === false ? this.minimum : this.maximum);
|
|
},
|
|
|
|
_onClkDecBumper: function(){
|
|
this._onClkBumper(this._descending === false ? this.maximum : this.minimum);
|
|
},
|
|
|
|
decrement: function(/*Event*/ e){
|
|
// summary:
|
|
// Decrement slider
|
|
// tags:
|
|
// private
|
|
this._bumpValue(e.charOrCode == dojo.keys.PAGE_DOWN ? -this.pageIncrement : -1);
|
|
},
|
|
|
|
increment: function(/*Event*/ e){
|
|
// summary:
|
|
// Increment slider
|
|
// tags:
|
|
// private
|
|
this._bumpValue(e.charOrCode == dojo.keys.PAGE_UP ? this.pageIncrement : 1);
|
|
},
|
|
|
|
_mouseWheeled: function(/*Event*/ evt){
|
|
// summary:
|
|
// Event handler for mousewheel where supported
|
|
dojo.stopEvent(evt);
|
|
var janky = !dojo.isMozilla;
|
|
var scroll = evt[(janky ? "wheelDelta" : "detail")] * (janky ? 1 : -1);
|
|
this._bumpValue(scroll < 0 ? -1 : 1, true); // negative scroll acts like a decrement
|
|
},
|
|
|
|
startup: function(){
|
|
if(this._started){ return; }
|
|
|
|
dojo.forEach(this.getChildren(), function(child){
|
|
if(this[child.container] != this.containerNode){
|
|
this[child.container].appendChild(child.domNode);
|
|
}
|
|
}, this);
|
|
|
|
this.inherited(arguments);
|
|
},
|
|
|
|
_typematicCallback: function(/*Number*/ count, /*Object*/ button, /*Event*/ e){
|
|
if(count == -1){
|
|
this._setValueAttr(this.value, true);
|
|
}else{
|
|
this[(button == (this._descending? this.incrementButton : this.decrementButton)) ? "decrement" : "increment"](e);
|
|
}
|
|
},
|
|
|
|
buildRendering: function(){
|
|
this.inherited(arguments);
|
|
if(this.showButtons){
|
|
this.incrementButton.style.display="";
|
|
this.decrementButton.style.display="";
|
|
}
|
|
|
|
// find any associated label element and add to slider focusnode.
|
|
var label = dojo.query('label[for="'+this.id+'"]');
|
|
if(label.length){
|
|
label[0].id = (this.id+"_label");
|
|
dijit.setWaiState(this.focusNode, "labelledby", label[0].id);
|
|
}
|
|
|
|
dijit.setWaiState(this.focusNode, "valuemin", this.minimum);
|
|
dijit.setWaiState(this.focusNode, "valuemax", this.maximum);
|
|
},
|
|
|
|
postCreate: function(){
|
|
this.inherited(arguments);
|
|
|
|
if(this.showButtons){
|
|
this._connects.push(dijit.typematic.addMouseListener(
|
|
this.decrementButton, this, "_typematicCallback", 25, 500));
|
|
this._connects.push(dijit.typematic.addMouseListener(
|
|
this.incrementButton, this, "_typematicCallback", 25, 500));
|
|
}
|
|
this.connect(this.domNode, !dojo.isMozilla ? "onmousewheel" : "DOMMouseScroll", "_mouseWheeled");
|
|
|
|
// define a custom constructor for a SliderMover that points back to me
|
|
var mover = dojo.declare(dijit.form._SliderMover, {
|
|
widget: this
|
|
});
|
|
this._movable = new dojo.dnd.Moveable(this.sliderHandle, {mover: mover});
|
|
|
|
this._layoutHackIE7();
|
|
},
|
|
|
|
destroy: function(){
|
|
this._movable.destroy();
|
|
if(this._inProgressAnim && this._inProgressAnim.status != "stopped"){
|
|
this._inProgressAnim.stop(true);
|
|
}
|
|
this._supportingWidgets = dijit.findWidgets(this.domNode); // tells destroy about pseudo-child widgets (ruler/labels)
|
|
this.inherited(arguments);
|
|
}
|
|
});
|
|
|
|
dojo.declare("dijit.form._SliderMover",
|
|
dojo.dnd.Mover,
|
|
{
|
|
onMouseMove: function(e){
|
|
var widget = this.widget;
|
|
var abspos = widget._abspos;
|
|
if(!abspos){
|
|
abspos = widget._abspos = dojo.position(widget.sliderBarContainer, true);
|
|
widget._setPixelValue_ = dojo.hitch(widget, "_setPixelValue");
|
|
widget._isReversed_ = widget._isReversed();
|
|
}
|
|
var coordEvent = e.touches ? e.touches[0] : e, // if multitouch take first touch for coords
|
|
pixelValue = coordEvent[widget._mousePixelCoord] - abspos[widget._startingPixelCoord];
|
|
widget._setPixelValue_(widget._isReversed_ ? (abspos[widget._pixelCount]-pixelValue) : pixelValue, abspos[widget._pixelCount], false);
|
|
},
|
|
|
|
destroy: function(e){
|
|
dojo.dnd.Mover.prototype.destroy.apply(this, arguments);
|
|
var widget = this.widget;
|
|
widget._abspos = null;
|
|
widget._setValueAttr(widget.value, true);
|
|
}
|
|
});
|
|
|
|
}
|