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Slider.js
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Slider.js
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if(!dojo._hasResource["dijit.form.Slider"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit.form.Slider"] = true;
dojo.provide("dijit.form.Slider");
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._FormWidget, dijit._Container],
{
// summary
// A form widget that allows one to select a value with a horizontally draggable image
templateString:"<table class=\"dijit dijitReset dijitSlider\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" rules=\"none\"\n\t><tr class=\"dijitReset\"\n\t\t><td class=\"dijitReset\" colspan=\"2\"></td\n\t\t><td dojoAttachPoint=\"containerNode,topDecoration\" class=\"dijitReset\" style=\"text-align:center;width:100%;\"></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 dijitHorizontalSliderButtonContainer\"\n\t\t\t><div class=\"dijitHorizontalSliderDecrementIcon\" tabIndex=\"-1\" style=\"display:none\" dojoAttachPoint=\"decrementButton\" dojoAttachEvent=\"onclick: decrement\"><span class=\"dijitSliderButtonInner\">-</span></div\n\t\t></td\n\t\t><td class=\"dijitReset\"\n\t\t\t><div class=\"dijitSliderBar dijitSliderBumper dijitHorizontalSliderBumper dijitSliderLeftBumper dijitHorizontalSliderLeftBumper\"></div\n\t\t></td\n\t\t><td class=\"dijitReset\"\n\t\t\t><input dojoAttachPoint=\"valueNode\" type=\"hidden\" name=\"${name}\"\n\t\t\t/><div style=\"position:relative;\" dojoAttachPoint=\"sliderBarContainer\"\n\t\t\t\t><div dojoAttachPoint=\"progressBar\" class=\"dijitSliderBar dijitHorizontalSliderBar dijitSliderProgressBar dijitHorizontalSliderProgressBar\" dojoAttachEvent=\"onclick:_onBarClick\"\n\t\t\t\t\t><div dojoAttachPoint=\"sliderHandle,focusNode\" class=\"dijitSliderMoveable dijitHorizontalSliderMoveable\" dojoAttachEvent=\"onkeypress:_onKeyPress,onclick:_onHandleClick\" waiRole=\"slider\" valuemin=\"${minimum}\" valuemax=\"${maximum}\"\n\t\t\t\t\t\t><div class=\"dijitSliderImageHandle dijitHorizontalSliderImageHandle\"></div\n\t\t\t\t\t></div\n\t\t\t\t></div\n\t\t\t\t><div dojoAttachPoint=\"remainingBar\" class=\"dijitSliderBar dijitHorizontalSliderBar dijitSliderRemainingBar dijitHorizontalSliderRemainingBar\" dojoAttachEvent=\"onclick:_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 dijitHorizontalSliderBumper dijitSliderRightBumper dijitHorizontalSliderRightBumper\"></div\n\t\t></td\n\t\t><td class=\"dijitReset dijitSliderButtonContainer dijitHorizontalSliderButtonContainer\" style=\"right:0px;\"\n\t\t\t><div class=\"dijitHorizontalSliderIncrementIcon\" tabIndex=\"-1\" style=\"display:none\" dojoAttachPoint=\"incrementButton\" dojoAttachEvent=\"onclick: increment\"><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\" style=\"text-align:center;\"></td\n\t\t><td class=\"dijitReset\" colspan=\"2\"></td\n\t></tr\n></table>\n",
value: 0,
// showButtons: boolean
// Show increment/decrement buttons at the ends of the slider?
showButtons: true,
// minimum:: integer
// The minimum value allowed.
minimum: 0,
// maximum: integer
// The maximum allowed value.
maximum: 100,
// discreteValues: integer
// The maximum allowed values dispersed evenly between minimum and maximum (inclusive).
discreteValues: Infinity,
// pageIncrement: integer
// The amount of change with shift+arrow
pageIncrement: 2,
// clickSelect: boolean
// If clicking the progress bar changes the value or not
clickSelect: true,
widgetsInTemplate: true,
attributeMap: dojo.mixin(dojo.clone(dijit.form._FormWidget.prototype.attributeMap),
{id:"", name:"valueNode"}),
baseClass: "dijitSlider",
_mousePixelCoord: "pageX",
_pixelCount: "w",
_startingPixelCoord: "x",
_startingPixelCount: "l",
_handleOffsetCoord: "left",
_progressPixelSize: "width",
_upsideDown: false,
_onKeyPress: function(/*Event*/ e){
if(this.disabled || e.altKey || e.ctrlKey){ return; }
switch(e.keyCode){
case dojo.keys.HOME:
this.setValue(this.minimum, false);
break;
case dojo.keys.END:
this.setValue(this.maximum, false);
break;
case dojo.keys.UP_ARROW:
case (this._isReversed() ? dojo.keys.LEFT_ARROW : dojo.keys.RIGHT_ARROW):
case dojo.keys.PAGE_UP:
this.increment(e);
break;
case dojo.keys.DOWN_ARROW:
case (this._isReversed() ? dojo.keys.RIGHT_ARROW : dojo.keys.LEFT_ARROW):
case dojo.keys.PAGE_DOWN:
this.decrement(e);
break;
default:
this.inherited("_onKeyPress", arguments);
return;
}
dojo.stopEvent(e);
},
_onHandleClick: function(e){
if(this.disabled){ 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() {
return !(this._upsideDown || this.isLeftToRight());
},
_onBarClick: function(e){
if(this.disabled || !this.clickSelect){ return; }
dijit.focus(this.sliderHandle);
dojo.stopEvent(e);
var abspos = dojo.coords(this.sliderBarContainer, true);
var pixelValue = e[this._mousePixelCoord] - abspos[this._startingPixelCoord];
this._setPixelValue(this._isReversed() || this._upsideDown ? (abspos[this._pixelCount] - pixelValue) : pixelValue, abspos[this._pixelCount], true);
},
_setPixelValue: function(/*Number*/ pixelValue, /*Number*/ maxPixels, /*Boolean, optional*/ priorityChange){
if(this.disabled){ 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.setValue((this.maximum-this.minimum)*wholeIncrements/count + this.minimum, priorityChange);
},
setValue: function(/*Number*/ value, /*Boolean, optional*/ priorityChange){
this.valueNode.value = this.value = value;
this.inherited('setValue', arguments);
var percent = (value - this.minimum) / (this.maximum - this.minimum);
this.progressBar.style[this._progressPixelSize] = (percent*100) + "%";
this.remainingBar.style[this._progressPixelSize] = ((1-percent)*100) + "%";
},
_bumpValue: function(signedChange){
if(this.disabled){ 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.setValue(value, true);
},
decrement: function(e){
// summary
// decrement slider by 1 unit
this._bumpValue(e.keyCode == dojo.keys.PAGE_DOWN?-this.pageIncrement:-1);
},
increment: function(e){
// summary
// increment slider by 1 unit
this._bumpValue(e.keyCode == dojo.keys.PAGE_UP?this.pageIncrement:1);
},
_mouseWheeled: function(/*Event*/ evt){
dojo.stopEvent(evt);
var scrollAmount = 0;
if(typeof evt.wheelDelta == 'number'){ // IE
scrollAmount = evt.wheelDelta;
}else if(typeof evt.detail == 'number'){ // Mozilla+Firefox
scrollAmount = -evt.detail;
}
if(scrollAmount > 0){
this.increment(evt);
}else if(scrollAmount < 0){
this.decrement(evt);
}
},
startup: function(){
dojo.forEach(this.getChildren(), function(child){
if(this[child.container] != this.containerNode){
this[child.container].appendChild(child.domNode);
}
}, this);
},
_onBlur: function(){
dijit.form.HorizontalSlider.superclass.setValue.call(this, this.value, true);
},
postCreate: function(){
if(this.showButtons){
this.incrementButton.style.display="";
this.decrementButton.style.display="";
}
this.connect(this.domNode, dojo.isIE ? "onmousewheel" : 'DOMMouseScroll', "_mouseWheeled");
// define a custom constructor for a SliderMover that points back to me
var _self = this;
var mover = function(){
dijit.form._SliderMover.apply(this, arguments);
this.widget = _self;
};
dojo.extend(mover, dijit.form._SliderMover.prototype);
this._movable = new dojo.dnd.Moveable(this.sliderHandle, {mover: mover});
this.inherited('postCreate', arguments);
},
destroy: function(){
this._movable.destroy();
this.inherited('destroy', arguments);
}
});
dojo.declare(
"dijit.form.VerticalSlider",
dijit.form.HorizontalSlider,
{
// summary
// A form widget that allows one to select a value with a vertically draggable image
templateString:"<table class=\"dijitReset dijitSlider\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" rules=\"none\"\n><tbody class=\"dijitReset\"\n\t><tr class=\"dijitReset\"\n\t\t><td class=\"dijitReset\"></td\n\t\t><td class=\"dijitReset dijitSliderButtonContainer dijitVerticalSliderButtonContainer\"\n\t\t\t><div class=\"dijitVerticalSliderIncrementIcon\" tabIndex=\"-1\" style=\"display:none\" dojoAttachPoint=\"incrementButton\" dojoAttachEvent=\"onclick: increment\"><span class=\"dijitSliderButtonInner\">+</span></div\n\t\t></td\n\t\t><td class=\"dijitReset\"></td\n\t></tr\n\t><tr class=\"dijitReset\"\n\t\t><td class=\"dijitReset\"></td\n\t\t><td class=\"dijitReset\"\n\t\t\t><center><div class=\"dijitSliderBar dijitSliderBumper dijitVerticalSliderBumper dijitSliderTopBumper dijitVerticalSliderTopBumper\"></div></center\n\t\t></td\n\t\t><td class=\"dijitReset\"></td\n\t></tr\n\t><tr class=\"dijitReset\"\n\t\t><td dojoAttachPoint=\"leftDecoration\" class=\"dijitReset\" style=\"text-align:center;height:100%;\"></td\n\t\t><td class=\"dijitReset\" style=\"height:100%;\"\n\t\t\t><input dojoAttachPoint=\"valueNode\" type=\"hidden\" name=\"${name}\"\n\t\t\t/><center style=\"position:relative;height:100%;\" dojoAttachPoint=\"sliderBarContainer\"\n\t\t\t\t><div dojoAttachPoint=\"remainingBar\" class=\"dijitSliderBar dijitVerticalSliderBar dijitSliderRemainingBar dijitVerticalSliderRemainingBar\" dojoAttachEvent=\"onclick:_onBarClick\"></div\n\t\t\t\t><div dojoAttachPoint=\"progressBar\" class=\"dijitSliderBar dijitVerticalSliderBar dijitSliderProgressBar dijitVerticalSliderProgressBar\" dojoAttachEvent=\"onclick:_onBarClick\"\n\t\t\t\t\t><div dojoAttachPoint=\"sliderHandle,focusNode\" class=\"dijitSliderMoveable\" dojoAttachEvent=\"onkeypress:_onKeyPress,onclick:_onHandleClick\" style=\"vertical-align:top;\" waiRole=\"slider\" valuemin=\"${minimum}\" valuemax=\"${maximum}\"\n\t\t\t\t\t\t><div class=\"dijitSliderImageHandle dijitVerticalSliderImageHandle\"></div\n\t\t\t\t\t></div\n\t\t\t\t></div\n\t\t\t></center\n\t\t></td\n\t\t><td dojoAttachPoint=\"containerNode,rightDecoration\" class=\"dijitReset\" style=\"text-align:center;height:100%;\"></td\n\t></tr\n\t><tr class=\"dijitReset\"\n\t\t><td class=\"dijitReset\"></td\n\t\t><td class=\"dijitReset\"\n\t\t\t><center><div class=\"dijitSliderBar dijitSliderBumper dijitVerticalSliderBumper dijitSliderBottomBumper dijitVerticalSliderBottomBumper\"></div></center\n\t\t></td\n\t\t><td class=\"dijitReset\"></td\n\t></tr\n\t><tr class=\"dijitReset\"\n\t\t><td class=\"dijitReset\"></td\n\t\t><td class=\"dijitReset dijitSliderButtonContainer dijitVerticalSliderButtonContainer\"\n\t\t\t><div class=\"dijitVerticalSliderDecrementIcon\" tabIndex=\"-1\" style=\"display:none\" dojoAttachPoint=\"decrementButton\" dojoAttachEvent=\"onclick: decrement\"><span class=\"dijitSliderButtonInner\">-</span></div\n\t\t></td\n\t\t><td class=\"dijitReset\"></td\n\t></tr\n></tbody></table>\n",
_mousePixelCoord: "pageY",
_pixelCount: "h",
_startingPixelCoord: "y",
_startingPixelCount: "t",
_handleOffsetCoord: "top",
_progressPixelSize: "height",
_upsideDown: true
});
dojo.declare("dijit.form._SliderMover",
dojo.dnd.Mover,
{
onMouseMove: function(e){
var widget = this.widget;
var c = this.constraintBox;
if(!c){
var container = widget.sliderBarContainer;
var s = dojo.getComputedStyle(container);
var c = dojo._getContentBox(container, s);
c[widget._startingPixelCount] = 0;
this.constraintBox = c;
}
var m = this.marginBox;
var pixelValue = widget._isReversed() ?
e[widget._mousePixelCoord] - dojo._abs(widget.sliderBarContainer).x :
m[widget._startingPixelCount] + e[widget._mousePixelCoord];
dojo.hitch(widget, "_setPixelValue")(widget._isReversed() || widget._upsideDown? (c[widget._pixelCount]-pixelValue) : pixelValue, c[widget._pixelCount]);
},
destroy: function(e){
var widget = this.widget;
widget.setValue(widget.value, true);
dojo.dnd.Mover.prototype.destroy.call(this);
}
});
dojo.declare("dijit.form.HorizontalRule", [dijit._Widget, dijit._Templated],
{
// Summary:
// Create hash marks for the Horizontal slider
templateString: '<div class="RuleContainer HorizontalRuleContainer"></div>',
// count: Integer
// Number of hash marks to generate
count: 3,
// container: Node
// If this is a child widget, connect it to this parent node
container: "containerNode",
// ruleStyle: String
// CSS style to apply to individual hash marks
ruleStyle: "",
_positionPrefix: '<div class="RuleMark HorizontalRuleMark" style="left:',
_positionSuffix: '%;',
_suffix: '"></div>',
_genHTML: function(pos, ndx){
return this._positionPrefix + pos + this._positionSuffix + this.ruleStyle + this._suffix;
},
_isHorizontal: true,
postCreate: function(){
if(this.count==1){
var innerHTML = this._genHTML(50, 0);
}else{
var interval = 100 / (this.count-1);
if(!this._isHorizontal || this.isLeftToRight()){
var innerHTML = this._genHTML(0, 0);
for(var i=1; i < this.count-1; i++){
innerHTML += this._genHTML(interval*i, i);
}
innerHTML += this._genHTML(100, this.count-1);
}else{
var innerHTML = this._genHTML(100, 0);
for(var i=1; i < this.count-1; i++){
innerHTML += this._genHTML(100-interval*i, i);
}
innerHTML += this._genHTML(0, this.count-1);
}
}
this.domNode.innerHTML = innerHTML;
}
});
dojo.declare("dijit.form.VerticalRule", dijit.form.HorizontalRule,
{
// Summary:
// Create hash marks for the Vertical slider
templateString: '<div class="RuleContainer VerticalRuleContainer"></div>',
_positionPrefix: '<div class="RuleMark VerticalRuleMark" style="top:',
_isHorizontal: false
});
dojo.declare("dijit.form.HorizontalRuleLabels", dijit.form.HorizontalRule,
{
// Summary:
// Create labels for the Horizontal slider
templateString: '<div class="RuleContainer HorizontalRuleContainer"></div>',
// labelStyle: String
// CSS style to apply to individual text labels
labelStyle: "",
// labels: Array
// Array of text labels to render - evenly spaced from left-to-right or bottom-to-top
labels: [],
// numericMargin: Integer
// Number of generated numeric labels that should be rendered as '' on the ends when labels[] are not specified
numericMargin: 0,
// numericMinimum: Integer
// Leftmost label value for generated numeric labels when labels[] are not specified
minimum: 0,
// numericMaximum: Integer
// Rightmost label value for generated numeric labels when labels[] are not specified
maximum: 1,
// constraints: object
// pattern, places, lang, et al (see dojo.number) for generated numeric labels when labels[] are not specified
constraints: {pattern:"#%"},
_positionPrefix: '<div class="RuleLabelContainer HorizontalRuleLabelContainer" style="left:',
_labelPrefix: '"><span class="RuleLabel HorizontalRuleLabel">',
_suffix: '</span></div>',
_calcPosition: function(pos){
return pos;
},
_genHTML: function(pos, ndx){
return this._positionPrefix + this._calcPosition(pos) + this._positionSuffix + this.labelStyle + this._labelPrefix + this.labels[ndx] + this._suffix;
},
getLabels: function(){
// summary: user replaceable function to return the labels array
// if the labels array was not specified directly, then see if <li> children were
var labels = this.labels;
if(!labels.length){
// for markup creation, labels are specified as child elements
labels = dojo.query("> li", this.srcNodeRef).map(function(node){
return String(node.innerHTML);
});
}
this.srcNodeRef.innerHTML = '';
// if the labels were not specified directly and not as <li> children, then calculate numeric labels
if(!labels.length && this.count > 1){
var start = this.minimum;
var inc = (this.maximum - start) / (this.count-1);
for (var i=0; i < this.count; i++){
labels.push((i<this.numericMargin||i>=(this.count-this.numericMargin))? '' : dojo.number.format(start, this.constraints));
start += inc;
}
}
return labels;
},
postMixInProperties: function(){
this.inherited('postMixInProperties', arguments);
this.labels = this.getLabels();
this.count = this.labels.length;
}
});
dojo.declare("dijit.form.VerticalRuleLabels", dijit.form.HorizontalRuleLabels,
{
// Summary:
// Create labels for the Vertical slider
templateString: '<div class="RuleContainer VerticalRuleContainer"></div>',
_positionPrefix: '<div class="RuleLabelContainer VerticalRuleLabelContainer" style="top:',
_labelPrefix: '"><span class="RuleLabel VerticalRuleLabel">',
_calcPosition: function(pos){
return 100-pos;
},
_isHorizontal: false
});
}

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Slider.js (17 KB)

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