/*!
* Ext JS Library 3.3.0
* Copyright(c) 2006-2010 Ext JS, Inc.
* licensing@extjs.com
* http://www.extjs.com/license
*/
Ext.ns('Ext.slider');
/**
* @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, {
/**
* True while the thumb is in a drag operation
* @type Boolean
*/
dragging: false,
/**
* @constructor
* @cfg {Ext.slider.MultiSlider} slider The Slider to render to (required)
*/
constructor: function(config) {
/**
* @property slider
* @type Ext.slider.MultiSlider
* The slider this thumb is contained within
*/
Ext.apply(this, config || {}, {
cls: 'x-slider-thumb',
/**
* @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);
}
},
/**
* Renders the thumb into a slider
*/
render: function() {
this.el = this.slider.innerEl.insertFirst({cls: this.cls});
this.initEvents();
},
/**
* Enables the thumb if it is currently disabled
*/
enable: function() {
this.disabled = false;
this.el.removeClass(this.slider.disabledClass);
},
/**
* Disables the thumb if it is currently enabled
*/
disable: function() {
this.disabled = true;
this.el.addClass(this.slider.disabledClass);
},
/**
* 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);
}
},
/**
* @private
* Destroys the thumb
*/
destroy: function(){
Ext.destroyMembers(this, 'tracker', 'el');
}
});
/**
* @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:
new Ext.Slider({
renderTo: Ext.getBody(),
width: 200,
value: 50,
increment: 10,
minValue: 0,
maxValue: 100
});
* Sliders can be created with more than one thumb handle by passing an array of values instead of a single one:
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
});
*/
Ext.slider.MultiSlider = Ext.extend(Ext.BoxComponent, {
/**
* @cfg {Number} value The value to initialize the slider with. Defaults to minValue.
*/
/**
* @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.
* The number of decimal places to which to round the Slider's value. Defaults to 0.
* To disable rounding, configure as false.
*/
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,
/**
* @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;
}
/**
* @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(
/**
* @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.MultiSlider} 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.MultiSlider} 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.MultiSlider} 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.MultiSlider} 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.MultiSlider} 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.MultiSlider} slider The slider
* @param {Ext.EventObject} e The event fired from Ext.dd.DragTracker
*/
'dragend'
);
/**
* @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);
}
},
/**
* 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){
/*
* 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.
*/
if(this.disabled || this.thumbs.length !== 1){
e.preventDefault();
return;
}
var k = e.getKey(),
val;
switch(k){
case e.UP:
case e.RIGHT:
e.stopEvent();
val = e.ctrlKey ? this.maxValue : this.getValue(0) + this.keyIncrement;
this.setValue(0, val, undefined, true);
break;
case e.DOWN:
case e.LEFT:
e.stopEvent();
val = e.ctrlKey ? this.minValue : this.getValue(0) - this.keyIncrement;
this.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){
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;
},
/**
* 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;
var i = 0,
thumbs = this.thumbs,
len = thumbs.length,
t;
for(; i < len; ++i){
t = thumbs[i];
t.value = t.value < val ? val : t.value;
}
this.syncThumb();
},
/**
* 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;
var i = 0,
thumbs = this.thumbs,
len = thumbs.length,
t;
for(; i < len; ++i){
t = thumbs[i];
t.value = t.value > val ? val : t.value;
}
this.syncThumb();
},
/**
* 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, thumb) !== false) {
thumb.value = v;
if(this.rendered){
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();
}
// check to see if we're using an auto width
if(Ext.isNumber(w)){
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();
}
}
},
/**
* 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));
}
}
},
/**
* 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;
},
/**
* 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(){
var thumbs = this.thumbs;
for(var i = 0, len = thumbs.length; i < len; ++i){
thumbs[i].destroy();
thumbs[i] = null;
}
Ext.destroyMembers(this, 'endEl', 'innerEl', 'focusEl', 'thumbHolder');
Ext.slider.MultiSlider.superclass.beforeDestroy.call(this);
}
});
Ext.reg('multislider', Ext.slider.MultiSlider);
/**
* @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:
new Ext.slider.SingleSlider({
renderTo: Ext.getBody(),
width: 200,
value: 50,
increment: 10,
minValue: 0,
maxValue: 100
});
* 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);
},
/**
* 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);
},
/**
* 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);
},
/**
* 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);
}
};