/**
+ * @class Ext.slider.Multi
+ * @extends Ext.form.field.Base
+ * <p>Slider which supports vertical or horizontal orientation, keyboard adjustments, configurable snapping, axis
+ * clicking and animation. Can be added as an item to any container. In addition,
+ * {@img Ext.slider.Multi/Ext.slider.Multi.png Ext.slider.Multi component}
+ * <p>Example usage:</p>
+ * Sliders can be created with more than one thumb handle by passing an array of values instead of a single one:
+<pre>
+ Ext.create('Ext.slider.Multi', {
+ width: 200,
+ values: [25, 50, 75],
+ increment: 5,
+ minValue: 0,
+ maxValue: 100,
+
+ //this defaults to true, setting to false allows the thumbs to pass each other
+ {@link #constrainThumbs}: false,
+ renderTo: Ext.getBody()
+ });
+</pre>
+ * @xtype multislider
+ */
+Ext.define('Ext.slider.Multi', {
+ extend: 'Ext.form.field.Base',
+ alias: 'widget.multislider',
+ alternateClassName: 'Ext.slider.MultiSlider',
+
+ requires: [
+ 'Ext.slider.Thumb',
+ 'Ext.slider.Tip',
+ 'Ext.Number',
+ 'Ext.util.Format',
+ 'Ext.Template',
+ 'Ext.layout.component.field.Slider'
+ ],
+
+ fieldSubTpl: [
+ '<div class="' + Ext.baseCSSPrefix + 'slider {fieldCls} {vertical}" aria-valuemin="{minValue}" aria-valuemax="{maxValue}" aria-valuenow="{value}" aria-valuetext="{value}">',
+ '<div class="' + Ext.baseCSSPrefix + 'slider-end" role="presentation">',
+ '<div class="' + Ext.baseCSSPrefix + 'slider-inner" role="presentation">',
+ '<a class="' + Ext.baseCSSPrefix + 'slider-focus" href="#" tabIndex="-1" hidefocus="on" role="presentation"></a>',
+ '</div>',
+ '</div>',
+ '</div>',
+ {
+ disableFormats: true,
+ compiled: true
+ }
+ ],
+
+ /**
+ * @cfg {Number} value
+ * A value with which to initialize the slider. Defaults to minValue. Setting this will only
+ * result in the creation of a single slider thumb; if you want multiple thumbs then use the
+ * {@link #values} config instead.
+ */
+
+ /**
+ * @cfg {Array} values
+ * Array of Number values with which to initalize the slider. A separate slider thumb will be created for
+ * each value in this array. This will take precedence over the single {@link #value} config.
+ */
+
+ /**
+ * @cfg {Boolean} vertical Orient the Slider vertically rather than horizontally, defaults to false.
+ */
+ vertical: false,
+ /**
+ * @cfg {Number} minValue The minimum value for the Slider. Defaults to 0.
+ */
+ minValue: 0,
+ /**
+ * @cfg {Number} maxValue The maximum value for the Slider. Defaults to 100.
+ */
+ maxValue: 100,
+ /**
+ * @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,
+ /**
+ * @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,
+ /**
+ * @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],
+
+ /**
+ * @cfg {Boolean} clickToChange Determines whether or not clicking on the Slider axis will change the slider. Defaults to true
+ */
+ clickToChange : true,
+ /**
+ * @cfg {Boolean} animate Turn on or off animation. Defaults to true
+ */
+ animate: true,
+
+ /**
+ * True while the thumb is in a drag operation
+ * @type Boolean
+ */
+ dragging: false,
+
+ /**
+ * @cfg {Boolean} constrainThumbs True to disallow thumbs from overlapping one another. Defaults to true
+ */
+ constrainThumbs: true,
+
+ componentLayout: 'sliderfield',
+
+ /**
+ * @cfg {Boolean} useTips
+ * True to use an Ext.slider.Tip to display tips for the value. Defaults to <tt>true</tt>.
+ */
+ useTips : true,
+
+ /**
+ * @cfg {Function} tipText
+ * A function used to display custom text for the slider tip. Defaults to <tt>null</tt>, which will
+ * use the default on the plugin.
+ */
+ tipText : null,
+
+ ariaRole: 'slider',
+
+ // private override
+ initValue: function() {
+ var me = this,
+ extValue = Ext.value,
+ // Fallback for initial values: values config -> value config -> minValue config -> 0
+ values = extValue(me.values, [extValue(me.value, extValue(me.minValue, 0))]),
+ i = 0,
+ len = values.length;
+
+ // Store for use in dirty check
+ me.originalValue = values;
+
+ // Add a thumb for each value
+ for (; i < len; i++) {
+ me.addThumb(values[i]);
+ }
+ },
+
+ // private override
+ initComponent : function() {
+ var me = this,
+ tipPlug,
+ hasTip;
+
+ /**
+ * @property thumbs
+ * @type Array
+ * Array containing references to each thumb
+ */
+ me.thumbs = [];
+
+ me.keyIncrement = Math.max(me.increment, me.keyIncrement);
+
+ me.addEvents(
+ /**
+ * @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.Multi} 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',
+
+ /**
+ * @event change
+ * Fires when the slider value is changed.
+ * @param {Ext.slider.Multi} 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',
+
+ /**
+ * @event changecomplete
+ * Fires when the slider value is changed by the user and any drag operations have completed.
+ * @param {Ext.slider.Multi} 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',
+
+ /**
+ * @event dragstart
+ * Fires after a drag operation has started.
+ * @param {Ext.slider.Multi} slider The slider
+ * @param {Ext.EventObject} e The event fired from Ext.dd.DragTracker
+ */
+ 'dragstart',
+
+ /**
+ * @event drag
+ * Fires continuously during the drag operation while the mouse is moving.
+ * @param {Ext.slider.Multi} slider The slider
+ * @param {Ext.EventObject} e The event fired from Ext.dd.DragTracker
+ */
+ 'drag',
+
+ /**
+ * @event dragend
+ * Fires after the drag operation has completed.
+ * @param {Ext.slider.Multi} slider The slider
+ * @param {Ext.EventObject} e The event fired from Ext.dd.DragTracker
+ */
+ 'dragend'
+ );
+
+ if (me.vertical) {
+ Ext.apply(me, Ext.slider.Multi.Vertical);
+ }
+
+ me.callParent();
+
+ // only can use it if it exists.
+ if (me.useTips) {
+ tipPlug = me.tipText ? {getText: me.tipText} : {};
+ me.plugins = me.plugins || [];
+ Ext.each(me.plugins, function(plug){
+ if (plug.isSliderTip) {
+ hasTip = true;
+ return false;
+ }
+ });
+ if (!hasTip) {
+ me.plugins.push(Ext.create('Ext.slider.Tip', tipPlug));
+ }
+ }
+ },
+
+ /**
+ * Creates a new thumb and adds it to the slider
+ * @param {Number} value The initial value to set on the thumb. Defaults to 0
+ * @return {Ext.slider.Thumb} The thumb
+ */
+ addThumb: function(value) {
+ var me = this,
+ thumb = Ext.create('Ext.slider.Thumb', {
+ value : value,
+ slider : me,
+ index : me.thumbs.length,
+ constrain: me.constrainThumbs
+ });
+ me.thumbs.push(thumb);
+
+ //render the thumb now if needed
+ if (me.rendered) {
+ thumb.render();
+ }
+
+ return thumb;
+ },
+
+ /**
+ * @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,
+ ln = thumbs.length,
+ zIndex, thumb, i;
+
+ for (i = 0; i < ln; i++) {
+ thumb = thumbs[i];
+
+ if (thumb == topThumb) {
+ thumb.bringToFront();
+ } else {
+ thumb.sendToBack();
+ }
+ }
+ },
+
+ // private override
+ onRender : function() {
+ var me = this,
+ i = 0,
+ thumbs = me.thumbs,
+ len = thumbs.length,
+ thumb;
+
+ Ext.applyIf(me.subTplData, {
+ vertical: me.vertical ? Ext.baseCSSPrefix + 'slider-vert' : Ext.baseCSSPrefix + 'slider-horz',
+ minValue: me.minValue,
+ maxValue: me.maxValue,
+ value: me.value
+ });
+
+ Ext.applyIf(me.renderSelectors, {
+ endEl: '.' + Ext.baseCSSPrefix + 'slider-end',
+ innerEl: '.' + Ext.baseCSSPrefix + 'slider-inner',
+ focusEl: '.' + Ext.baseCSSPrefix + 'slider-focus'
+ });
+
+ me.callParent(arguments);
+
+ //render each thumb
+ for (; i < len; i++) {
+ thumbs[i].render();
+ }
+
+ //calculate the size of half a thumb
+ thumb = me.innerEl.down('.' + Ext.baseCSSPrefix + 'slider-thumb');
+ me.halfThumb = (me.vertical ? thumb.getHeight() : thumb.getWidth()) / 2;
+
+ },
+
+ /**
+ * Utility method to set the value of the field when the slider changes.
+ * @param {Object} slider The slider object.
+ * @param {Object} v The new value.
+ * @private
+ */
+ onChange : function(slider, v) {
+ this.setValue(v, undefined, true);
+ },
+
+ /**
+ * @private
+ * Adds keyboard and mouse listeners on this.el. Ignores click events on the internal focus element.
+ */
+ initEvents : function() {
+ var me = this;
+
+ me.mon(me.el, {
+ scope : me,
+ mousedown: me.onMouseDown,
+ keydown : me.onKeyDown,
+ change : me.onChange
+ });
+
+ me.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) {
+ var me = this,
+ thumbClicked = false,
+ i = 0,
+ thumbs = me.thumbs,
+ len = thumbs.length,
+ local;
+
+ if (me.disabled) {
+ return;
+ }
+
+ //see if the click was on any of the thumbs
+ for (; i < len; i++) {
+ thumbClicked = thumbClicked || e.target == thumbs[i].el.dom;
+ }
+
+ if (me.clickToChange && !thumbClicked) {
+ local = me.innerEl.translatePoints(e.getXY());
+ me.onClickChange(local);
+ }
+ me.focus();
+ },
+
+ /**
+ * @private
+ * Moves the thumb to the indicated position. Note that a Vertical implementation is provided in Ext.slider.Multi.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) {
+ var me = this,
+ thumb, index;
+
+ if (local.top > me.clickRange[0] && local.top < me.clickRange[1]) {
+ //find the nearest thumb to the click event
+ thumb = me.getNearest(local, 'left');
+ if (!thumb.disabled) {
+ index = thumb.index;
+ me.setValue(index, Ext.util.Format.round(me.reverseValue(local.left), me.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 me = this,
+ localValue = prop == 'top' ? me.innerEl.getHeight() - local[prop] : local[prop],
+ clickValue = me.reverseValue(localValue),
+ nearestDistance = (me.maxValue - me.minValue) + 5, //add a small fudge for the end of the slider
+ index = 0,
+ nearest = null,
+ thumbs = me.thumbs,
+ i = 0,
+ len = thumbs.length,
+ thumb,
+ value,
+ dist;
+
+ for (; i < len; i++) {
+ thumb = me.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) {
+ /*
+ * The behaviour for keyboard handling with multiple thumbs is currently undefined.
+ * There's no real sane default for it, so leave it like this until we come up
+ * with a better way of doing it.
+ */
+ var me = this,
+ k,
+ val;
+
+ if(me.disabled || me.thumbs.length !== 1) {
+ e.preventDefault();
+ return;
+ }
+ k = e.getKey();
+
+ switch(k) {
+ case e.UP:
+ case e.RIGHT:
+ e.stopEvent();
+ val = e.ctrlKey ? me.maxValue : me.getValue(0) + me.keyIncrement;
+ me.setValue(0, val, undefined, true);
+ break;
+ case e.DOWN:
+ case e.LEFT:
+ e.stopEvent();
+ val = e.ctrlKey ? me.minValue : me.getValue(0) - me.keyIncrement;
+ me.setValue(0, val, 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) {
+ var newValue = value,
+ inc = this.increment,
+ m;
+
+ if (!(inc && value)) {
+ return value;
+ }
+ m = value % inc;
+ if (m !== 0) {
+ newValue -= m;
+ if (m * 2 >= inc) {
+ newValue += inc;
+ } else if (m * 2 < -inc) {
+ newValue -= inc;
+ }
+ }
+ return Ext.Number.constrain(newValue, this.minValue, this.maxValue);
+ },
+
+ // private
+ afterRender : function() {
+ var me = this,
+ i = 0,
+ thumbs = me.thumbs,
+ len = thumbs.length,
+ thumb,
+ v;
+
+ me.callParent(arguments);
+
+ for (; i < len; i++) {
+ thumb = thumbs[i];
+
+ if (thumb.value !== undefined) {
+ v = me.normalizeValue(thumb.value);
+ if (v !== thumb.value) {
+ // delete this.value;
+ me.setValue(i, v, false);
+ } else {
+ thumb.move(me.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) {
+ var me = this;
+
+ v = me.doSnap(v);
+ v = Ext.util.Format.round(v, me.decimalPrecision);
+ v = Ext.Number.constrain(v, me.minValue, me.maxValue);
+ return v;
+ },
+
+ /**
+ * 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) {
+ var me = this,
+ i = 0,
+ thumbs = me.thumbs,
+ len = thumbs.length,
+ t;
+
+ me.minValue = val;
+ me.inputEl.dom.setAttribute('aria-valuemin', val);
+
+ for (; i < len; ++i) {
+ t = thumbs[i];
+ t.value = t.value < val ? val : t.value;
+ }
+ me.syncThumbs();
+ },
+
+ /**
+ * 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) {
+ var me = this,
+ i = 0,
+ thumbs = me.thumbs,
+ len = thumbs.length,
+ t;
+
+ me.maxValue = val;
+ me.inputEl.dom.setAttribute('aria-valuemax', val);
+
+ for (; i < len; ++i) {
+ t = thumbs[i];
+ t.value = t.value > val ? val : t.value;
+ }
+ me.syncThumbs();
+ },
+
+ /**
+ * 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, value, animate, changeComplete) {
+ var me = this,
+ thumb = me.thumbs[index];
+
+ // ensures value is contstrained and snapped
+ value = me.normalizeValue(value);
+
+ if (value !== thumb.value && me.fireEvent('beforechange', me, value, thumb.value, thumb) !== false) {
+ thumb.value = value;
+ if (me.rendered) {
+ // TODO this only handles a single value; need a solution for exposing multiple values to aria.
+ // Perhaps this should go on each thumb element rather than the outer element.
+ me.inputEl.set({
+ 'aria-valuenow': value,
+ 'aria-valuetext': value
+ });
+
+ thumb.move(me.translateValue(value), Ext.isDefined(animate) ? animate !== false : me.animate);
+
+ me.fireEvent('change', me, value, thumb);
+ if (changeComplete) {
+ me.fireEvent('changecomplete', me, value, 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
+ focus : function() {
+ this.focusEl.focus(10);
+ },
+
+ //private
+ onDisable: function() {
+ var me = this,
+ i = 0,
+ thumbs = me.thumbs,
+ len = thumbs.length,
+ thumb,
+ el,
+ xy;
+
+ me.callParent();
+
+ for (; i < len; i++) {
+ thumb = 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.
+ xy = el.getXY();
+ el.hide();
+
+ me.innerEl.addCls(me.disabledCls).dom.disabled = true;
+
+ if (!me.thumbHolder) {
+ me.thumbHolder = me.endEl.createChild({cls: Ext.baseCSSPrefix + 'slider-thumb ' + me.disabledCls});
+ }
+
+ me.thumbHolder.show().setXY(xy);
+ }
+ }
+ },
+
+ //private
+ onEnable: function() {
+ var me = this,
+ i = 0,
+ thumbs = me.thumbs,
+ len = thumbs.length,
+ thumb,
+ el;
+
+ this.callParent();
+
+ for (; i < len; i++) {
+ thumb = thumbs[i];
+ el = thumb.el;
+
+ thumb.enable();
+
+ if (Ext.isIE) {
+ me.innerEl.removeCls(me.disabledCls).dom.disabled = false;
+
+ if (me.thumbHolder) {
+ me.thumbHolder.hide();
+ }
+
+ el.show();
+ me.syncThumbs();
+ }
+ }
+ },
+
+ /**
+ * Synchronizes thumbs 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.
+ */
+ syncThumbs : function() {
+ if (this.rendered) {
+ var thumbs = this.thumbs,
+ length = thumbs.length,
+ i = 0;
+
+ for (; i < length; i++) {
+ thumbs[i].move(this.translateValue(thumbs[i].value));
+ }
+ }
+ },
+
+ /**
+ * Returns the current value of the slider
+ * @param {Number} index The index of the thumb to return a value for
+ * @return {Number/Array} The current value of the slider at the given index, or an array of
+ * all thumb values if no index is given.
+ */
+ getValue : function(index) {
+ return Ext.isNumber(index) ? this.thumbs[index].value : this.getValues();
+ },
+
+ /**
+ * Returns an array of values - one for the location of each thumb
+ * @return {Array} The set of thumb values
+ */
+ getValues: function() {
+ var values = [],
+ i = 0,
+ thumbs = this.thumbs,
+ len = thumbs.length;
+
+ for (; i < len; i++) {
+ values.push(thumbs[i].value);
+ }
+
+ return values;
+ },
+
+ getSubmitValue: function() {
+ var me = this;
+ return (me.disabled || !me.submitValue) ? null : me.getValue();
+ },
+
+ reset: function() {
+ var me = this,
+ Array = Ext.Array;
+ Array.forEach(Array.from(me.originalValue), function(val, i) {
+ me.setValue(i, val);
+ });
+ me.clearInvalid();
+ // delete here so we reset back to the original state
+ delete me.wasValid;
+ },
+
+ // private
+ beforeDestroy : function() {
+ var me = this;
+
+ Ext.destroyMembers(me.innerEl, me.endEl, me.focusEl);
+ Ext.each(me.thumbs, function(thumb) {
+ Ext.destroy(thumb);
+ }, me);
+
+ me.callParent();
+ },
+
+ statics: {
+ // Method overrides to support slider with vertical orientation
+ Vertical: {
+ getRatio : function() {
+ var h = this.innerEl.getHeight(),
+ v = this.maxValue - this.minValue;
+ return h/v;
+ },
+
+ onClickChange : function(local) {
+ var me = this,
+ thumb, index, bottom;
+
+ if (local.left > me.clickRange[0] && local.left < me.clickRange[1]) {
+ thumb = me.getNearest(local, 'top');
+ if (!thumb.disabled) {
+ index = thumb.index;
+ bottom = me.reverseValue(me.innerEl.getHeight() - local.top);
+
+ me.setValue(index, Ext.util.Format.round(me.minValue + bottom, me.decimalPrecision), undefined, true);
+ }
+ }
+ }
+ }
+ }
+});
+