-<html>\r
-<head>\r
- <title>The source code</title>\r
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
-</head>\r
-<body onload="prettyPrint();">\r
- <pre class="prettyprint lang-js"><div id="cls-Ext.Slider"></div>/**\r
- * @class Ext.Slider\r
- * @extends Ext.BoxComponent\r
- * Slider which supports vertical or horizontal orientation, keyboard adjustments,\r
- * configurable snapping, axis clicking and animation. Can be added as an item to\r
- * any container. Example usage:\r
-<pre><code>\r
-new Ext.Slider({\r
- renderTo: Ext.getBody(),\r
- width: 200,\r
- value: 50,\r
- increment: 10,\r
- minValue: 0,\r
- maxValue: 100\r
-});\r
-</code></pre>\r
- */\r
-Ext.Slider = Ext.extend(Ext.BoxComponent, {\r
- <div id="cfg-Ext.Slider-value"></div>/**\r
- * @cfg {Number} value The value to initialize the slider with. Defaults to minValue.\r
- */\r
- <div id="cfg-Ext.Slider-vertical"></div>/**\r
- * @cfg {Boolean} vertical Orient the Slider vertically rather than horizontally, defaults to false.\r
- */\r
- vertical: false,\r
- <div id="cfg-Ext.Slider-minValue"></div>/**\r
- * @cfg {Number} minValue The minimum value for the Slider. Defaults to 0.\r
- */\r
- minValue: 0,\r
- <div id="cfg-Ext.Slider-maxValue"></div>/**\r
- * @cfg {Number} maxValue The maximum value for the Slider. Defaults to 100.\r
- */\r
- maxValue: 100,\r
- <div id="cfg-Ext.Slider-decimalPrecision."></div>/**\r
- * @cfg {Number/Boolean} decimalPrecision.\r
- * <p>The number of decimal places to which to round the Slider's value. Defaults to 0.</p>\r
- * <p>To disable rounding, configure as <tt><b>false</b></tt>.</p>\r
- */\r
- decimalPrecision: 0,\r
- <div id="cfg-Ext.Slider-keyIncrement"></div>/**\r
- * @cfg {Number} keyIncrement How many units to change the Slider when adjusting with keyboard navigation. Defaults to 1. If the increment config is larger, it will be used instead.\r
- */\r
- keyIncrement: 1,\r
- <div id="cfg-Ext.Slider-increment"></div>/**\r
- * @cfg {Number} increment How many units to change the slider when adjusting by drag and drop. Use this option to enable 'snapping'.\r
- */\r
- increment: 0,\r
- // private\r
- clickRange: [5,15],\r
- <div id="cfg-Ext.Slider-clickToChange"></div>/**\r
- * @cfg {Boolean} clickToChange Determines whether or not clicking on the Slider axis will change the slider. Defaults to true\r
- */\r
- clickToChange : true,\r
- <div id="cfg-Ext.Slider-animate"></div>/**\r
- * @cfg {Boolean} animate Turn on or off animation. Defaults to true\r
- */\r
- animate: true,\r
-\r
- <div id="prop-Ext.Slider-dragging"></div>/**\r
- * True while the thumb is in a drag operation\r
- * @type boolean\r
- */\r
- dragging: false,\r
-\r
- // private override\r
- initComponent : function(){\r
- if(!Ext.isDefined(this.value)){\r
- this.value = this.minValue;\r
- }\r
- Ext.Slider.superclass.initComponent.call(this);\r
- this.keyIncrement = Math.max(this.increment, this.keyIncrement);\r
- this.addEvents(\r
- <div id="event-Ext.Slider-beforechange"></div>/**\r
- * @event beforechange\r
- * Fires before the slider value is changed. By returning false from an event handler,\r
- * you can cancel the event and prevent the slider from changing.\r
- * @param {Ext.Slider} slider The slider\r
- * @param {Number} newValue The new value which the slider is being changed to.\r
- * @param {Number} oldValue The old value which the slider was previously.\r
- */\r
- 'beforechange',\r
- <div id="event-Ext.Slider-change"></div>/**\r
- * @event change\r
- * Fires when the slider value is changed.\r
- * @param {Ext.Slider} slider The slider\r
- * @param {Number} newValue The new value which the slider has been changed to.\r
- */\r
- 'change',\r
- <div id="event-Ext.Slider-changecomplete"></div>/**\r
- * @event changecomplete\r
- * Fires when the slider value is changed by the user and any drag operations have completed.\r
- * @param {Ext.Slider} slider The slider\r
- * @param {Number} newValue The new value which the slider has been changed to.\r
- */\r
- 'changecomplete',\r
- <div id="event-Ext.Slider-dragstart"></div>/**\r
- * @event dragstart\r
- * Fires after a drag operation has started.\r
- * @param {Ext.Slider} slider The slider\r
- * @param {Ext.EventObject} e The event fired from Ext.dd.DragTracker\r
- */\r
- 'dragstart',\r
- <div id="event-Ext.Slider-drag"></div>/**\r
- * @event drag\r
- * Fires continuously during the drag operation while the mouse is moving.\r
- * @param {Ext.Slider} slider The slider\r
- * @param {Ext.EventObject} e The event fired from Ext.dd.DragTracker\r
- */\r
- 'drag',\r
- <div id="event-Ext.Slider-dragend"></div>/**\r
- * @event dragend\r
- * Fires after the drag operation has completed.\r
- * @param {Ext.Slider} slider The slider\r
- * @param {Ext.EventObject} e The event fired from Ext.dd.DragTracker\r
- */\r
- 'dragend'\r
- );\r
-\r
- if(this.vertical){\r
- Ext.apply(this, Ext.Slider.Vertical);\r
- }\r
- },\r
-\r
- // private override\r
- onRender : function(){\r
- this.autoEl = {\r
- cls: 'x-slider ' + (this.vertical ? 'x-slider-vert' : 'x-slider-horz'),\r
- cn:{cls:'x-slider-end',cn:{cls:'x-slider-inner',cn:[{cls:'x-slider-thumb'},{tag:'a', cls:'x-slider-focus', href:"#", tabIndex: '-1', hidefocus:'on'}]}}\r
- };\r
- Ext.Slider.superclass.onRender.apply(this, arguments);\r
- this.endEl = this.el.first();\r
- this.innerEl = this.endEl.first();\r
- this.thumb = this.innerEl.first();\r
- this.halfThumb = (this.vertical ? this.thumb.getHeight() : this.thumb.getWidth())/2;\r
- this.focusEl = this.thumb.next();\r
- this.initEvents();\r
- },\r
-\r
- // private override\r
- initEvents : function(){\r
- this.thumb.addClassOnOver('x-slider-thumb-over');\r
- this.mon(this.el, {\r
- scope: this,\r
- mousedown: this.onMouseDown,\r
- keydown: this.onKeyDown\r
- });\r
-\r
- this.focusEl.swallowEvent("click", true);\r
-\r
- this.tracker = new Ext.dd.DragTracker({\r
- onBeforeStart: this.onBeforeDragStart.createDelegate(this),\r
- onStart: this.onDragStart.createDelegate(this),\r
- onDrag: this.onDrag.createDelegate(this),\r
- onEnd: this.onDragEnd.createDelegate(this),\r
- tolerance: 3,\r
- autoStart: 300\r
- });\r
- this.tracker.initEl(this.thumb);\r
- this.on('beforedestroy', this.tracker.destroy, this.tracker);\r
- },\r
-\r
- // private override\r
- onMouseDown : function(e){\r
- if(this.disabled) {return;}\r
- if(this.clickToChange && e.target != this.thumb.dom){\r
- var local = this.innerEl.translatePoints(e.getXY());\r
- this.onClickChange(local);\r
- }\r
- this.focus();\r
- },\r
-\r
- // private\r
- onClickChange : function(local){\r
- if(local.top > this.clickRange[0] && local.top < this.clickRange[1]){\r
- this.setValue(Ext.util.Format.round(this.reverseValue(local.left), this.decimalPrecision), undefined, true);\r
- }\r
- },\r
-\r
- // private\r
- onKeyDown : function(e){\r
- if(this.disabled){e.preventDefault();return;}\r
- var k = e.getKey();\r
- switch(k){\r
- case e.UP:\r
- case e.RIGHT:\r
- e.stopEvent();\r
- if(e.ctrlKey){\r
- this.setValue(this.maxValue, undefined, true);\r
- }else{\r
- this.setValue(this.value+this.keyIncrement, undefined, true);\r
- }\r
- break;\r
- case e.DOWN:\r
- case e.LEFT:\r
- e.stopEvent();\r
- if(e.ctrlKey){\r
- this.setValue(this.minValue, undefined, true);\r
- }else{\r
- this.setValue(this.value-this.keyIncrement, undefined, true);\r
- }\r
- break;\r
- default:\r
- e.preventDefault();\r
- }\r
- },\r
-\r
- // private\r
- doSnap : function(value){\r
- if(!this.increment || this.increment == 1 || !value) {\r
- return value;\r
- }\r
- var newValue = value, inc = this.increment;\r
- var m = value % inc;\r
- if(m != 0){\r
- newValue -= m;\r
- if(m * 2 > inc){\r
- newValue += inc;\r
- }else if(m * 2 < -inc){\r
- newValue -= inc;\r
- }\r
- }\r
- return newValue.constrain(this.minValue, this.maxValue);\r
- },\r
-\r
- // private\r
- afterRender : function(){\r
- Ext.Slider.superclass.afterRender.apply(this, arguments);\r
- if(this.value !== undefined){\r
- var v = this.normalizeValue(this.value);\r
- if(v !== this.value){\r
- delete this.value;\r
- this.setValue(v, false);\r
- }else{\r
- this.moveThumb(this.translateValue(v), false);\r
- }\r
- }\r
- },\r
-\r
- // private\r
- getRatio : function(){\r
- var w = this.innerEl.getWidth();\r
- var v = this.maxValue - this.minValue;\r
- return v == 0 ? w : (w/v);\r
- },\r
-\r
- // private\r
- normalizeValue : function(v){\r
- v = this.doSnap(v);\r
- v = Ext.util.Format.round(v, this.decimalPrecision);\r
- v = v.constrain(this.minValue, this.maxValue);\r
- return v;\r
- },\r
-\r
- <div id="method-Ext.Slider-setValue"></div>/**\r
- * Programmatically sets the value of the Slider. Ensures that the value is constrained within\r
- * the minValue and maxValue.\r
- * @param {Number} value The value to set the slider to. (This will be constrained within minValue and maxValue)\r
- * @param {Boolean} animate Turn on or off animation, defaults to true\r
- */\r
- setValue : function(v, animate, changeComplete){\r
- v = this.normalizeValue(v);\r
- if(v !== this.value && this.fireEvent('beforechange', this, v, this.value) !== false){\r
- this.value = v;\r
- this.moveThumb(this.translateValue(v), animate !== false);\r
- this.fireEvent('change', this, v);\r
- if(changeComplete){\r
- this.fireEvent('changecomplete', this, v);\r
- }\r
- }\r
- },\r
-\r
- // private\r
- translateValue : function(v){\r
- var ratio = this.getRatio();\r
- return (v * ratio)-(this.minValue * ratio)-this.halfThumb;\r
- },\r
-\r
- reverseValue : function(pos){\r
- var ratio = this.getRatio();\r
- return (pos+this.halfThumb+(this.minValue * ratio))/ratio;\r
- },\r
-\r
- // private\r
- moveThumb: function(v, animate){\r
- if(!animate || this.animate === false){\r
- this.thumb.setLeft(v);\r
- }else{\r
- this.thumb.shift({left: v, stopFx: true, duration:.35});\r
- }\r
- },\r
-\r
- // private\r
- focus : function(){\r
- this.focusEl.focus(10);\r
- },\r
-\r
- // private\r
- onBeforeDragStart : function(e){\r
- return !this.disabled;\r
- },\r
-\r
- // private\r
- onDragStart: function(e){\r
- this.thumb.addClass('x-slider-thumb-drag');\r
- this.dragging = true;\r
- this.dragStartValue = this.value;\r
- this.fireEvent('dragstart', this, e);\r
- },\r
-\r
- // private\r
- onDrag: function(e){\r
- var pos = this.innerEl.translatePoints(this.tracker.getXY());\r
- this.setValue(Ext.util.Format.round(this.reverseValue(pos.left), this.decimalPrecision), false);\r
- this.fireEvent('drag', this, e);\r
- },\r
-\r
- // private\r
- onDragEnd: function(e){\r
- this.thumb.removeClass('x-slider-thumb-drag');\r
- this.dragging = false;\r
- this.fireEvent('dragend', this, e);\r
- if(this.dragStartValue != this.value){\r
- this.fireEvent('changecomplete', this, this.value);\r
- }\r
- },\r
-\r
- // private\r
- onResize : function(w, h){\r
- this.innerEl.setWidth(w - (this.el.getPadding('l') + this.endEl.getPadding('r')));\r
- this.syncThumb();\r
- },\r
- \r
- //private\r
- onDisable: function(){\r
- Ext.Slider.superclass.onDisable.call(this);\r
- this.thumb.addClass(this.disabledClass);\r
- if(Ext.isIE){\r
- //IE breaks when using overflow visible and opacity other than 1.\r
- //Create a place holder for the thumb and display it.\r
- var xy = this.thumb.getXY();\r
- this.thumb.hide();\r
- this.innerEl.addClass(this.disabledClass).dom.disabled = true;\r
- if (!this.thumbHolder){\r
- this.thumbHolder = this.endEl.createChild({cls: 'x-slider-thumb ' + this.disabledClass}); \r
- }\r
- this.thumbHolder.show().setXY(xy);\r
- }\r
- },\r
- \r
- //private\r
- onEnable: function(){\r
- Ext.Slider.superclass.onEnable.call(this);\r
- this.thumb.removeClass(this.disabledClass);\r
- if(Ext.isIE){\r
- this.innerEl.removeClass(this.disabledClass).dom.disabled = false;\r
- if (this.thumbHolder){\r
- this.thumbHolder.hide();\r
- }\r
- this.thumb.show();\r
- this.syncThumb();\r
- }\r
- },\r
- \r
- <div id="method-Ext.Slider-syncThumb"></div>/**\r
- * Synchronizes the thumb position to the proper proportion of the total component width based\r
- * on the current slider {@link #value}. This will be called automatically when the Slider\r
- * is resized by a layout, but if it is rendered auto width, this method can be called from\r
- * another resize handler to sync the Slider if necessary.\r
- */\r
- syncThumb : function(){\r
- if(this.rendered){\r
- this.moveThumb(this.translateValue(this.value));\r
- }\r
- },\r
-\r
- <div id="method-Ext.Slider-getValue"></div>/**\r
- * Returns the current value of the slider\r
- * @return {Number} The current value of the slider\r
- */\r
- getValue : function(){\r
- return this.value;\r
- }\r
-});\r
-Ext.reg('slider', Ext.Slider);\r
-\r
-// private class to support vertical sliders\r
-Ext.Slider.Vertical = {\r
- onResize : function(w, h){\r
- this.innerEl.setHeight(h - (this.el.getPadding('t') + this.endEl.getPadding('b')));\r
- this.syncThumb();\r
- },\r
-\r
- getRatio : function(){\r
- var h = this.innerEl.getHeight();\r
- var v = this.maxValue - this.minValue;\r
- return h/v;\r
- },\r
-\r
- moveThumb: function(v, animate){\r
- if(!animate || this.animate === false){\r
- this.thumb.setBottom(v);\r
- }else{\r
- this.thumb.shift({bottom: v, stopFx: true, duration:.35});\r
- }\r
- },\r
-\r
- onDrag: function(e){\r
- var pos = this.innerEl.translatePoints(this.tracker.getXY());\r
- var bottom = this.innerEl.getHeight()-pos.top;\r
- this.setValue(this.minValue + Ext.util.Format.round(bottom/this.getRatio(), this.decimalPrecision), false);\r
- this.fireEvent('drag', this, e);\r
- },\r
-\r
- onClickChange : function(local){\r
- if(local.left > this.clickRange[0] && local.left < this.clickRange[1]){\r
- var bottom = this.innerEl.getHeight()-local.top;\r
- this.setValue(this.minValue + Ext.util.Format.round(bottom/this.getRatio(), this.decimalPrecision), undefined, true);\r
- }\r
- }\r
-};</pre> \r
-</body>\r
+<html>
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <title>The source code</title>
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
+</head>
+<body onload="prettyPrint();">
+ <pre class="prettyprint lang-js">/*!
+ * Ext JS Library 3.2.0
+ * Copyright(c) 2006-2010 Ext JS, Inc.
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+Ext.ns('Ext.slider');
+
+<div id="cls-Ext.slider.Thumb"></div>/**
+ * @class Ext.slider.Thumb
+ * @extends Object
+ * Represents a single thumb element on a Slider. This would not usually be created manually and would instead
+ * be created internally by an {@link Ext.slider.MultiSlider Ext.Slider}.
+ */
+Ext.slider.Thumb = Ext.extend(Object, {
+
+ <div id="cfg-Ext.slider.Thumb-slider"></div>/**
+ * @constructor
+ * @cfg {Ext.slider.MultiSlider} slider The Slider to render to (required)
+ */
+ constructor: function(config) {
+ <div id="prop-Ext.slider.Thumb-slider"></div>/**
+ * @property slider
+ * @type Ext.slider.MultiSlider
+ * The slider this thumb is contained within
+ */
+ Ext.apply(this, config || {}, {
+ cls: 'x-slider-thumb',
+
+ <div id="cfg-Ext.slider.Thumb-constrain"></div>/**
+ * @cfg {Boolean} constrain True to constrain the thumb so that it cannot overlap its siblings
+ */
+ constrain: false
+ });
+
+ Ext.slider.Thumb.superclass.constructor.call(this, config);
+
+ if (this.slider.vertical) {
+ Ext.apply(this, Ext.slider.Thumb.Vertical);
+ }
+ },
+
+ <div id="method-Ext.slider.Thumb-render"></div>/**
+ * Renders the thumb into a slider
+ */
+ render: function() {
+ this.el = this.slider.innerEl.insertFirst({cls: this.cls});
+
+ this.initEvents();
+ },
+
+ <div id="method-Ext.slider.Thumb-enable"></div>/**
+ * Enables the thumb if it is currently disabled
+ */
+ enable: function() {
+ this.disabled = false;
+ this.el.removeClass(this.slider.disabledClass);
+ },
+
+ <div id="method-Ext.slider.Thumb-disable"></div>/**
+ * Disables the thumb if it is currently enabled
+ */
+ disable: function() {
+ this.disabled = true;
+ this.el.addClass(this.slider.disabledClass);
+ },
+
+ <div id="method-Ext.slider.Thumb-initEvents"></div>/**
+ * Sets up an Ext.dd.DragTracker for this thumb
+ */
+ initEvents: function() {
+ var el = this.el;
+
+ el.addClassOnOver('x-slider-thumb-over');
+
+ this.tracker = new Ext.dd.DragTracker({
+ onBeforeStart: this.onBeforeDragStart.createDelegate(this),
+ onStart : this.onDragStart.createDelegate(this),
+ onDrag : this.onDrag.createDelegate(this),
+ onEnd : this.onDragEnd.createDelegate(this),
+ tolerance : 3,
+ autoStart : 300
+ });
+
+ this.tracker.initEl(el);
+ },
+
+ /**
+ * @private
+ * This is tied into the internal Ext.dd.DragTracker. If the slider is currently disabled,
+ * this returns false to disable the DragTracker too.
+ * @return {Boolean} False if the slider is currently disabled
+ */
+ onBeforeDragStart : function(e) {
+ if (this.disabled) {
+ return false;
+ } else {
+ this.slider.promoteThumb(this);
+ return true;
+ }
+ },
+
+ /**
+ * @private
+ * This is tied into the internal Ext.dd.DragTracker's onStart template method. Adds the drag CSS class
+ * to the thumb and fires the 'dragstart' event
+ */
+ onDragStart: function(e){
+ this.el.addClass('x-slider-thumb-drag');
+ this.dragging = true;
+ this.dragStartValue = this.value;
+
+ this.slider.fireEvent('dragstart', this.slider, e, this);
+ },
+
+ /**
+ * @private
+ * This is tied into the internal Ext.dd.DragTracker's onDrag template method. This is called every time
+ * the DragTracker detects a drag movement. It updates the Slider's value using the position of the drag
+ */
+ onDrag: function(e) {
+ var slider = this.slider,
+ index = this.index,
+ newValue = this.getNewValue();
+
+ if (this.constrain) {
+ var above = slider.thumbs[index + 1],
+ below = slider.thumbs[index - 1];
+
+ if (below != undefined && newValue <= below.value) newValue = below.value;
+ if (above != undefined && newValue >= above.value) newValue = above.value;
+ }
+
+ slider.setValue(index, newValue, false);
+ slider.fireEvent('drag', slider, e, this);
+ },
+
+ getNewValue: function() {
+ var slider = this.slider,
+ pos = slider.innerEl.translatePoints(this.tracker.getXY());
+
+ return Ext.util.Format.round(slider.reverseValue(pos.left), slider.decimalPrecision);
+ },
+
+ /**
+ * @private
+ * This is tied to the internal Ext.dd.DragTracker's onEnd template method. Removes the drag CSS class and
+ * fires the 'changecomplete' event with the new value
+ */
+ onDragEnd: function(e) {
+ var slider = this.slider,
+ value = this.value;
+
+ this.el.removeClass('x-slider-thumb-drag');
+
+ this.dragging = false;
+ slider.fireEvent('dragend', slider, e);
+
+ if (this.dragStartValue != value) {
+ slider.fireEvent('changecomplete', slider, value, this);
+ }
+ }
+});
+
+<div id="cls-Ext.slider.MultiSlider"></div>/**
+ * @class Ext.slider.MultiSlider
+ * @extends Ext.BoxComponent
+ * Slider which supports vertical or horizontal orientation, keyboard adjustments, configurable snapping, axis clicking and animation. Can be added as an item to any container. Example usage:
+<pre>
+new Ext.Slider({
+ renderTo: Ext.getBody(),
+ width: 200,
+ value: 50,
+ increment: 10,
+ minValue: 0,
+ maxValue: 100
+});
+</pre>
+ * Sliders can be created with more than one thumb handle by passing an array of values instead of a single one:
+<pre>
+new Ext.Slider({
+ renderTo: Ext.getBody(),
+ width: 200,
+ values: [25, 50, 75],
+ minValue: 0,
+ maxValue: 100,
+
+ //this defaults to true, setting to false allows the thumbs to pass each other
+ {@link #constrainThumbs}: false
+});
+</pre>
+ */
+Ext.slider.MultiSlider = Ext.extend(Ext.BoxComponent, {
+ <div id="cfg-Ext.slider.MultiSlider-value"></div>/**
+ * @cfg {Number} value The value to initialize the slider with. Defaults to minValue.
+ */
+ <div id="cfg-Ext.slider.MultiSlider-vertical"></div>/**
+ * @cfg {Boolean} vertical Orient the Slider vertically rather than horizontally, defaults to false.
+ */
+ vertical: false,
+ <div id="cfg-Ext.slider.MultiSlider-minValue"></div>/**
+ * @cfg {Number} minValue The minimum value for the Slider. Defaults to 0.
+ */
+ minValue: 0,
+ <div id="cfg-Ext.slider.MultiSlider-maxValue"></div>/**
+ * @cfg {Number} maxValue The maximum value for the Slider. Defaults to 100.
+ */
+ maxValue: 100,
+ <div id="cfg-Ext.slider.MultiSlider-decimalPrecision."></div>/**
+ * @cfg {Number/Boolean} decimalPrecision.
+ * <p>The number of decimal places to which to round the Slider's value. Defaults to 0.</p>
+ * <p>To disable rounding, configure as <tt><b>false</b></tt>.</p>
+ */
+ decimalPrecision: 0,
+ <div id="cfg-Ext.slider.MultiSlider-keyIncrement"></div>/**
+ * @cfg {Number} keyIncrement How many units to change the Slider when adjusting with keyboard navigation. Defaults to 1. If the increment config is larger, it will be used instead.
+ */
+ keyIncrement: 1,
+ <div id="cfg-Ext.slider.MultiSlider-increment"></div>/**
+ * @cfg {Number} increment How many units to change the slider when adjusting by drag and drop. Use this option to enable 'snapping'.
+ */
+ increment: 0,
+
+ /**
+ * @private
+ * @property clickRange
+ * @type Array
+ * Determines whether or not a click to the slider component is considered to be a user request to change the value. Specified as an array of [top, bottom],
+ * the click event's 'top' property is compared to these numbers and the click only considered a change request if it falls within them. e.g. if the 'top'
+ * value of the click event is 4 or 16, the click is not considered a change request as it falls outside of the [5, 15] range
+ */
+ clickRange: [5,15],
+
+ <div id="cfg-Ext.slider.MultiSlider-clickToChange"></div>/**
+ * @cfg {Boolean} clickToChange Determines whether or not clicking on the Slider axis will change the slider. Defaults to true
+ */
+ clickToChange : true,
+ <div id="cfg-Ext.slider.MultiSlider-animate"></div>/**
+ * @cfg {Boolean} animate Turn on or off animation. Defaults to true
+ */
+ animate: true,
+
+ <div id="prop-Ext.slider.MultiSlider-dragging"></div>/**
+ * True while the thumb is in a drag operation
+ * @type Boolean
+ */
+ dragging: false,
+
+ <div id="cfg-Ext.slider.MultiSlider-constrainThumbs"></div>/**
+ * @cfg {Boolean} constrainThumbs True to disallow thumbs from overlapping one another. Defaults to true
+ */
+ constrainThumbs: true,
+
+ /**
+ * @private
+ * @property topThumbZIndex
+ * @type Number
+ * The number used internally to set the z index of the top thumb (see promoteThumb for details)
+ */
+ topThumbZIndex: 10000,
+
+ // private override
+ initComponent : function(){
+ if(!Ext.isDefined(this.value)){
+ this.value = this.minValue;
+ }
+
+ <div id="prop-Ext.slider.MultiSlider-thumbs"></div>/**
+ * @property thumbs
+ * @type Array
+ * Array containing references to each thumb
+ */
+ this.thumbs = [];
+
+ Ext.slider.MultiSlider.superclass.initComponent.call(this);
+
+ this.keyIncrement = Math.max(this.increment, this.keyIncrement);
+ this.addEvents(
+ <div id="event-Ext.slider.MultiSlider-beforechange"></div>/**
+ * @event beforechange
+ * Fires before the slider value is changed. By returning false from an event handler,
+ * you can cancel the event and prevent the slider from changing.
+ * @param {Ext.Slider} slider The slider
+ * @param {Number} newValue The new value which the slider is being changed to.
+ * @param {Number} oldValue The old value which the slider was previously.
+ */
+ 'beforechange',
+
+ <div id="event-Ext.slider.MultiSlider-change"></div>/**
+ * @event change
+ * Fires when the slider value is changed.
+ * @param {Ext.Slider} slider The slider
+ * @param {Number} newValue The new value which the slider has been changed to.
+ * @param {Ext.slider.Thumb} thumb The thumb that was changed
+ */
+ 'change',
+
+ <div id="event-Ext.slider.MultiSlider-changecomplete"></div>/**
+ * @event changecomplete
+ * Fires when the slider value is changed by the user and any drag operations have completed.
+ * @param {Ext.Slider} slider The slider
+ * @param {Number} newValue The new value which the slider has been changed to.
+ * @param {Ext.slider.Thumb} thumb The thumb that was changed
+ */
+ 'changecomplete',
+
+ <div id="event-Ext.slider.MultiSlider-dragstart"></div>/**
+ * @event dragstart
+ * Fires after a drag operation has started.
+ * @param {Ext.Slider} slider The slider
+ * @param {Ext.EventObject} e The event fired from Ext.dd.DragTracker
+ */
+ 'dragstart',
+
+ <div id="event-Ext.slider.MultiSlider-drag"></div>/**
+ * @event drag
+ * Fires continuously during the drag operation while the mouse is moving.
+ * @param {Ext.Slider} slider The slider
+ * @param {Ext.EventObject} e The event fired from Ext.dd.DragTracker
+ */
+ 'drag',
+
+ <div id="event-Ext.slider.MultiSlider-dragend"></div>/**
+ * @event dragend
+ * Fires after the drag operation has completed.
+ * @param {Ext.Slider} slider The slider
+ * @param {Ext.EventObject} e The event fired from Ext.dd.DragTracker
+ */
+ 'dragend'
+ );
+
+ <div id="prop-Ext.slider.MultiSlider-values"></div>/**
+ * @property values
+ * @type Array
+ * Array of values to initalize the thumbs with
+ */
+ if (this.values == undefined || Ext.isEmpty(this.values)) this.values = [0];
+
+ var values = this.values;
+
+ for (var i=0; i < values.length; i++) {
+ this.addThumb(values[i]);
+ }
+
+ if(this.vertical){
+ Ext.apply(this, Ext.slider.Vertical);
+ }
+ },
+
+ <div id="method-Ext.slider.MultiSlider-addThumb"></div>/**
+ * Creates a new thumb and adds it to the slider
+ * @param {Number} value The initial value to set on the thumb. Defaults to 0
+ */
+ addThumb: function(value) {
+ var thumb = new Ext.slider.Thumb({
+ value : value,
+ slider : this,
+ index : this.thumbs.length,
+ constrain: this.constrainThumbs
+ });
+ this.thumbs.push(thumb);
+
+ //render the thumb now if needed
+ if (this.rendered) thumb.render();
+ },
+
+ /**
+ * @private
+ * Moves the given thumb above all other by increasing its z-index. This is called when as drag
+ * any thumb, so that the thumb that was just dragged is always at the highest z-index. This is
+ * required when the thumbs are stacked on top of each other at one of the ends of the slider's
+ * range, which can result in the user not being able to move any of them.
+ * @param {Ext.slider.Thumb} topThumb The thumb to move to the top
+ */
+ promoteThumb: function(topThumb) {
+ var thumbs = this.thumbs,
+ zIndex, thumb;
+
+ for (var i = 0, j = thumbs.length; i < j; i++) {
+ thumb = thumbs[i];
+
+ if (thumb == topThumb) {
+ zIndex = this.topThumbZIndex;
+ } else {
+ zIndex = '';
+ }
+
+ thumb.el.setStyle('zIndex', zIndex);
+ }
+ },
+
+ // private override
+ onRender : function() {
+ this.autoEl = {
+ cls: 'x-slider ' + (this.vertical ? 'x-slider-vert' : 'x-slider-horz'),
+ cn : {
+ cls: 'x-slider-end',
+ cn : {
+ cls:'x-slider-inner',
+ cn : [{tag:'a', cls:'x-slider-focus', href:"#", tabIndex: '-1', hidefocus:'on'}]
+ }
+ }
+ };
+
+ Ext.slider.MultiSlider.superclass.onRender.apply(this, arguments);
+
+ this.endEl = this.el.first();
+ this.innerEl = this.endEl.first();
+ this.focusEl = this.innerEl.child('.x-slider-focus');
+
+ //render each thumb
+ for (var i=0; i < this.thumbs.length; i++) {
+ this.thumbs[i].render();
+ }
+
+ //calculate the size of half a thumb
+ var thumb = this.innerEl.child('.x-slider-thumb');
+ this.halfThumb = (this.vertical ? thumb.getHeight() : thumb.getWidth()) / 2;
+
+ this.initEvents();
+ },
+
+ /**
+ * @private
+ * Adds keyboard and mouse listeners on this.el. Ignores click events on the internal focus element.
+ * Creates a new DragTracker which is used to control what happens when the user drags the thumb around.
+ */
+ initEvents : function(){
+ this.mon(this.el, {
+ scope : this,
+ mousedown: this.onMouseDown,
+ keydown : this.onKeyDown
+ });
+
+ this.focusEl.swallowEvent("click", true);
+ },
+
+ /**
+ * @private
+ * Mousedown handler for the slider. If the clickToChange is enabled and the click was not on the draggable 'thumb',
+ * this calculates the new value of the slider and tells the implementation (Horizontal or Vertical) to move the thumb
+ * @param {Ext.EventObject} e The click event
+ */
+ onMouseDown : function(e){
+ if(this.disabled){
+ return;
+ }
+
+ //see if the click was on any of the thumbs
+ var thumbClicked = false;
+ for (var i=0; i < this.thumbs.length; i++) {
+ thumbClicked = thumbClicked || e.target == this.thumbs[i].el.dom;
+ }
+
+ if (this.clickToChange && !thumbClicked) {
+ var local = this.innerEl.translatePoints(e.getXY());
+ this.onClickChange(local);
+ }
+ this.focus();
+ },
+
+ /**
+ * @private
+ * Moves the thumb to the indicated position. Note that a Vertical implementation is provided in Ext.slider.Vertical.
+ * Only changes the value if the click was within this.clickRange.
+ * @param {Object} local Object containing top and left values for the click event.
+ */
+ onClickChange : function(local) {
+ if (local.top > this.clickRange[0] && local.top < this.clickRange[1]) {
+ //find the nearest thumb to the click event
+ var thumb = this.getNearest(local, 'left'),
+ index = thumb.index;
+
+ this.setValue(index, Ext.util.Format.round(this.reverseValue(local.left), this.decimalPrecision), undefined, true);
+ }
+ },
+
+ /**
+ * @private
+ * Returns the nearest thumb to a click event, along with its distance
+ * @param {Object} local Object containing top and left values from a click event
+ * @param {String} prop The property of local to compare on. Use 'left' for horizontal sliders, 'top' for vertical ones
+ * @return {Object} The closest thumb object and its distance from the click event
+ */
+ getNearest: function(local, prop) {
+ var localValue = prop == 'top' ? this.innerEl.getHeight() - local[prop] : local[prop],
+ clickValue = this.reverseValue(localValue),
+ nearestDistance = (this.maxValue - this.minValue) + 5, //add a small fudge for the end of the slider
+ index = 0,
+ nearest = null;
+
+ for (var i=0; i < this.thumbs.length; i++) {
+ var thumb = this.thumbs[i],
+ value = thumb.value,
+ dist = Math.abs(value - clickValue);
+
+ if (Math.abs(dist <= nearestDistance)) {
+ nearest = thumb;
+ index = i;
+ nearestDistance = dist;
+ }
+ }
+ return nearest;
+ },
+
+ /**
+ * @private
+ * Handler for any keypresses captured by the slider. If the key is UP or RIGHT, the thumb is moved along to the right
+ * by this.keyIncrement. If DOWN or LEFT it is moved left. Pressing CTRL moves the slider to the end in either direction
+ * @param {Ext.EventObject} e The Event object
+ */
+ onKeyDown : function(e){
+ if(this.disabled){e.preventDefault();return;}
+ var k = e.getKey();
+ switch(k){
+ case e.UP:
+ case e.RIGHT:
+ e.stopEvent();
+ if(e.ctrlKey){
+ this.setValue(this.maxValue, undefined, true);
+ }else{
+ this.setValue(this.value+this.keyIncrement, undefined, true);
+ }
+ break;
+ case e.DOWN:
+ case e.LEFT:
+ e.stopEvent();
+ if(e.ctrlKey){
+ this.setValue(this.minValue, undefined, true);
+ }else{
+ this.setValue(this.value-this.keyIncrement, undefined, true);
+ }
+ break;
+ default:
+ e.preventDefault();
+ }
+ },
+
+ /**
+ * @private
+ * If using snapping, this takes a desired new value and returns the closest snapped
+ * value to it
+ * @param {Number} value The unsnapped value
+ * @return {Number} The value of the nearest snap target
+ */
+ doSnap : function(value){
+ if (!(this.increment && value)) {
+ return value;
+ }
+ var newValue = value,
+ inc = this.increment,
+ m = value % inc;
+ if (m != 0) {
+ newValue -= m;
+ if (m * 2 >= inc) {
+ newValue += inc;
+ } else if (m * 2 < -inc) {
+ newValue -= inc;
+ }
+ }
+ return newValue.constrain(this.minValue, this.maxValue);
+ },
+
+ // private
+ afterRender : function(){
+ Ext.slider.MultiSlider.superclass.afterRender.apply(this, arguments);
+
+ for (var i=0; i < this.thumbs.length; i++) {
+ var thumb = this.thumbs[i];
+
+ if (thumb.value !== undefined) {
+ var v = this.normalizeValue(thumb.value);
+
+ if (v !== thumb.value) {
+ // delete this.value;
+ this.setValue(i, v, false);
+ } else {
+ this.moveThumb(i, this.translateValue(v), false);
+ }
+ }
+ };
+ },
+
+ /**
+ * @private
+ * Returns the ratio of pixels to mapped values. e.g. if the slider is 200px wide and maxValue - minValue is 100,
+ * the ratio is 2
+ * @return {Number} The ratio of pixels to mapped values
+ */
+ getRatio : function(){
+ var w = this.innerEl.getWidth(),
+ v = this.maxValue - this.minValue;
+ return v == 0 ? w : (w/v);
+ },
+
+ /**
+ * @private
+ * Returns a snapped, constrained value when given a desired value
+ * @param {Number} value Raw number value
+ * @return {Number} The raw value rounded to the correct d.p. and constrained within the set max and min values
+ */
+ normalizeValue : function(v){
+ v = this.doSnap(v);
+ v = Ext.util.Format.round(v, this.decimalPrecision);
+ v = v.constrain(this.minValue, this.maxValue);
+ return v;
+ },
+
+ <div id="method-Ext.slider.MultiSlider-setMinValue"></div>/**
+ * Sets the minimum value for the slider instance. If the current value is less than the
+ * minimum value, the current value will be changed.
+ * @param {Number} val The new minimum value
+ */
+ setMinValue : function(val){
+ this.minValue = val;
+ this.syncThumb();
+
+ for (var i=0, j = this.thumbs.length; i < j; i++) {
+ if (this.thumbs[i].value < val) this.thumbs[i].value = val;
+ }
+ },
+
+ <div id="method-Ext.slider.MultiSlider-setMaxValue"></div>/**
+ * Sets the maximum value for the slider instance. If the current value is more than the
+ * maximum value, the current value will be changed.
+ * @param {Number} val The new maximum value
+ */
+ setMaxValue : function(val){
+ this.maxValue = val;
+ this.syncThumb();
+
+ for (var i=0; i < this.thumbs.length; i++) {
+ if (this.thumbs[i].value > val) this.thumbs[i].value = val;
+ }
+ },
+
+ <div id="method-Ext.slider.MultiSlider-setValue"></div>/**
+ * Programmatically sets the value of the Slider. Ensures that the value is constrained within
+ * the minValue and maxValue.
+ * @param {Number} index Index of the thumb to move
+ * @param {Number} value The value to set the slider to. (This will be constrained within minValue and maxValue)
+ * @param {Boolean} animate Turn on or off animation, defaults to true
+ */
+ setValue : function(index, v, animate, changeComplete) {
+ var thumb = this.thumbs[index],
+ el = thumb.el;
+
+ v = this.normalizeValue(v);
+
+ if (v !== thumb.value && this.fireEvent('beforechange', this, v, thumb.value) !== false) {
+ thumb.value = v;
+ this.moveThumb(index, this.translateValue(v), animate !== false);
+ this.fireEvent('change', this, v, thumb);
+ if(changeComplete){
+ this.fireEvent('changecomplete', this, v, thumb);
+ }
+ }
+ },
+
+ /**
+ * @private
+ */
+ translateValue : function(v) {
+ var ratio = this.getRatio();
+ return (v * ratio) - (this.minValue * ratio) - this.halfThumb;
+ },
+
+ /**
+ * @private
+ * Given a pixel location along the slider, returns the mapped slider value for that pixel.
+ * E.g. if we have a slider 200px wide with minValue = 100 and maxValue = 500, reverseValue(50)
+ * returns 200
+ * @param {Number} pos The position along the slider to return a mapped value for
+ * @return {Number} The mapped value for the given position
+ */
+ reverseValue : function(pos){
+ var ratio = this.getRatio();
+ return (pos + (this.minValue * ratio)) / ratio;
+ },
+
+ /**
+ * @private
+ * @param {Number} index Index of the thumb to move
+ */
+ moveThumb: function(index, v, animate){
+ var thumb = this.thumbs[index].el;
+
+ if(!animate || this.animate === false){
+ thumb.setLeft(v);
+ }else{
+ thumb.shift({left: v, stopFx: true, duration:.35});
+ }
+ },
+
+ // private
+ focus : function(){
+ this.focusEl.focus(10);
+ },
+
+ // private
+ onResize : function(w, h){
+ var thumbs = this.thumbs,
+ len = thumbs.length,
+ i = 0;
+
+ /*
+ * If we happen to be animating during a resize, the position of the thumb will likely be off
+ * when the animation stops. As such, just stop any animations before syncing the thumbs.
+ */
+ for(; i < len; ++i){
+ thumbs[i].el.stopFx();
+ }
+ this.innerEl.setWidth(w - (this.el.getPadding('l') + this.endEl.getPadding('r')));
+ this.syncThumb();
+ Ext.slider.MultiSlider.superclass.onResize.apply(this, arguments);
+ },
+
+ //private
+ onDisable: function(){
+ Ext.slider.MultiSlider.superclass.onDisable.call(this);
+
+ for (var i=0; i < this.thumbs.length; i++) {
+ var thumb = this.thumbs[i],
+ el = thumb.el;
+
+ thumb.disable();
+
+ if(Ext.isIE){
+ //IE breaks when using overflow visible and opacity other than 1.
+ //Create a place holder for the thumb and display it.
+ var xy = el.getXY();
+ el.hide();
+
+ this.innerEl.addClass(this.disabledClass).dom.disabled = true;
+
+ if (!this.thumbHolder) {
+ this.thumbHolder = this.endEl.createChild({cls: 'x-slider-thumb ' + this.disabledClass});
+ }
+
+ this.thumbHolder.show().setXY(xy);
+ }
+ }
+ },
+
+ //private
+ onEnable: function(){
+ Ext.slider.MultiSlider.superclass.onEnable.call(this);
+
+ for (var i=0; i < this.thumbs.length; i++) {
+ var thumb = this.thumbs[i],
+ el = thumb.el;
+
+ thumb.enable();
+
+ if (Ext.isIE) {
+ this.innerEl.removeClass(this.disabledClass).dom.disabled = false;
+
+ if (this.thumbHolder) this.thumbHolder.hide();
+
+ el.show();
+ this.syncThumb();
+ }
+ }
+ },
+
+ <div id="method-Ext.slider.MultiSlider-syncThumb"></div>/**
+ * Synchronizes the thumb position to the proper proportion of the total component width based
+ * on the current slider {@link #value}. This will be called automatically when the Slider
+ * is resized by a layout, but if it is rendered auto width, this method can be called from
+ * another resize handler to sync the Slider if necessary.
+ */
+ syncThumb : function() {
+ if (this.rendered) {
+ for (var i=0; i < this.thumbs.length; i++) {
+ this.moveThumb(i, this.translateValue(this.thumbs[i].value));
+ }
+ }
+ },
+
+ <div id="method-Ext.slider.MultiSlider-getValue"></div>/**
+ * Returns the current value of the slider
+ * @param {Number} index The index of the thumb to return a value for
+ * @return {Number} The current value of the slider
+ */
+ getValue : function(index) {
+ return this.thumbs[index].value;
+ },
+
+ <div id="method-Ext.slider.MultiSlider-getValues"></div>/**
+ * Returns an array of values - one for the location of each thumb
+ * @return {Array} The set of thumb values
+ */
+ getValues: function() {
+ var values = [];
+
+ for (var i=0; i < this.thumbs.length; i++) {
+ values.push(this.thumbs[i].value);
+ }
+
+ return values;
+ },
+
+ // private
+ beforeDestroy : function(){
+ Ext.destroyMembers(this, 'endEl', 'innerEl', 'thumb', 'halfThumb', 'focusEl', 'tracker', 'thumbHolder');
+ Ext.slider.MultiSlider.superclass.beforeDestroy.call(this);
+ }
+});
+
+Ext.reg('multislider', Ext.slider.MultiSlider);
+
+<div id="cls-Ext.slider.SingleSlider"></div>/**
+ * @class Ext.slider.SingleSlider
+ * @extends Ext.slider.MultiSlider
+ * Slider which supports vertical or horizontal orientation, keyboard adjustments,
+ * configurable snapping, axis clicking and animation. Can be added as an item to
+ * any container. Example usage:
+<pre><code>
+new Ext.slider.SingleSlider({
+ renderTo: Ext.getBody(),
+ width: 200,
+ value: 50,
+ increment: 10,
+ minValue: 0,
+ maxValue: 100
+});
+</code></pre>
+ * The class Ext.slider.SingleSlider is aliased to Ext.Slider for backwards compatibility.
+ */
+Ext.slider.SingleSlider = Ext.extend(Ext.slider.MultiSlider, {
+ constructor: function(config) {
+ config = config || {};
+
+ Ext.applyIf(config, {
+ values: [config.value || 0]
+ });
+
+ Ext.slider.SingleSlider.superclass.constructor.call(this, config);
+ },
+
+ <div id="method-Ext.slider.SingleSlider-getValue"></div>/**
+ * Returns the current value of the slider
+ * @return {Number} The current value of the slider
+ */
+ getValue: function() {
+ //just returns the value of the first thumb, which should be the only one in a single slider
+ return Ext.slider.SingleSlider.superclass.getValue.call(this, 0);
+ },
+
+ <div id="method-Ext.slider.SingleSlider-setValue"></div>/**
+ * Programmatically sets the value of the Slider. Ensures that the value is constrained within
+ * the minValue and maxValue.
+ * @param {Number} value The value to set the slider to. (This will be constrained within minValue and maxValue)
+ * @param {Boolean} animate Turn on or off animation, defaults to true
+ */
+ setValue: function(value, animate) {
+ var args = Ext.toArray(arguments),
+ len = args.length;
+
+ //this is to maintain backwards compatiblity for sliders with only one thunb. Usually you must pass the thumb
+ //index to setValue, but if we only have one thumb we inject the index here first if given the multi-slider
+ //signature without the required index. The index will always be 0 for a single slider
+ if (len == 1 || (len <= 3 && typeof arguments[1] != 'number')) {
+ args.unshift(0);
+ }
+
+ return Ext.slider.SingleSlider.superclass.setValue.apply(this, args);
+ },
+
+ <div id="method-Ext.slider.SingleSlider-syncThumb"></div>/**
+ * Synchronizes the thumb position to the proper proportion of the total component width based
+ * on the current slider {@link #value}. This will be called automatically when the Slider
+ * is resized by a layout, but if it is rendered auto width, this method can be called from
+ * another resize handler to sync the Slider if necessary.
+ */
+ syncThumb : function() {
+ return Ext.slider.SingleSlider.superclass.syncThumb.apply(this, [0].concat(arguments));
+ },
+
+ // private
+ getNearest : function(){
+ // Since there's only 1 thumb, it's always the nearest
+ return this.thumbs[0];
+ }
+});
+
+//backwards compatibility
+Ext.Slider = Ext.slider.SingleSlider;
+
+Ext.reg('slider', Ext.slider.SingleSlider);
+
+// private class to support vertical sliders
+Ext.slider.Vertical = {
+ onResize : function(w, h){
+ this.innerEl.setHeight(h - (this.el.getPadding('t') + this.endEl.getPadding('b')));
+ this.syncThumb();
+ },
+
+ getRatio : function(){
+ var h = this.innerEl.getHeight(),
+ v = this.maxValue - this.minValue;
+ return h/v;
+ },
+
+ moveThumb: function(index, v, animate) {
+ var thumb = this.thumbs[index],
+ el = thumb.el;
+
+ if (!animate || this.animate === false) {
+ el.setBottom(v);
+ } else {
+ el.shift({bottom: v, stopFx: true, duration:.35});
+ }
+ },
+
+ onClickChange : function(local) {
+ if (local.left > this.clickRange[0] && local.left < this.clickRange[1]) {
+ var thumb = this.getNearest(local, 'top'),
+ index = thumb.index,
+ value = this.minValue + this.reverseValue(this.innerEl.getHeight() - local.top);
+
+ this.setValue(index, Ext.util.Format.round(value, this.decimalPrecision), undefined, true);
+ }
+ }
+};
+
+//private class to support vertical dragging of thumbs within a slider
+Ext.slider.Thumb.Vertical = {
+ getNewValue: function() {
+ var slider = this.slider,
+ innerEl = slider.innerEl,
+ pos = innerEl.translatePoints(this.tracker.getXY()),
+ bottom = innerEl.getHeight() - pos.top;
+
+ return slider.minValue + Ext.util.Format.round(bottom / slider.getRatio(), slider.decimalPrecision);
+ }
+};
+</pre>
+</body>
</html>
\ No newline at end of file
git.ithinksw.org / extjs.git / blobdiff