mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-07-11 14:03:51 +02:00
ef10672364
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@92488 467b73ca-7a2a-4603-9d3b-597d59a354a9
559 lines
14 KiB
JavaScript
559 lines
14 KiB
JavaScript
/*
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* jQuery UI Slider 1.7.2
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*
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* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT (MIT-LICENSE.txt)
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* and GPL (GPL-LICENSE.txt) licenses.
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*
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* http://docs.jquery.com/UI/Slider
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*
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* Depends:
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* ui.core.js
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*/
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(function($) {
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$.widget("ui.slider", $.extend({}, $.ui.mouse, {
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_init: function() {
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var self = this, o = this.options;
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this._keySliding = false;
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this._handleIndex = null;
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this._detectOrientation();
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this._mouseInit();
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this.element
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.addClass("ui-slider"
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+ " ui-slider-" + this.orientation
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+ " ui-widget"
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+ " ui-widget-content"
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+ " ui-corner-all");
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this.range = $([]);
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if (o.range) {
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if (o.range === true) {
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this.range = $('<div></div>');
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if (!o.values) o.values = [this._valueMin(), this._valueMin()];
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if (o.values.length && o.values.length != 2) {
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o.values = [o.values[0], o.values[0]];
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}
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} else {
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this.range = $('<div></div>');
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}
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this.range
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.appendTo(this.element)
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.addClass("ui-slider-range");
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if (o.range == "min" || o.range == "max") {
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this.range.addClass("ui-slider-range-" + o.range);
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}
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// note: this isn't the most fittingly semantic framework class for this element,
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// but worked best visually with a variety of themes
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this.range.addClass("ui-widget-header");
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}
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if ($(".ui-slider-handle", this.element).length == 0)
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$('<a href="#"></a>')
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.appendTo(this.element)
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.addClass("ui-slider-handle");
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if (o.values && o.values.length) {
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while ($(".ui-slider-handle", this.element).length < o.values.length)
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$('<a href="#"></a>')
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.appendTo(this.element)
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.addClass("ui-slider-handle");
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}
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this.handles = $(".ui-slider-handle", this.element)
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.addClass("ui-state-default"
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+ " ui-corner-all");
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this.handle = this.handles.eq(0);
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this.handles.add(this.range).filter("a")
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.click(function(event) {
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event.preventDefault();
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})
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.hover(function() {
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if (!o.disabled) {
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$(this).addClass('ui-state-hover');
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}
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}, function() {
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$(this).removeClass('ui-state-hover');
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})
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.focus(function() {
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if (!o.disabled) {
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$(".ui-slider .ui-state-focus").removeClass('ui-state-focus'); $(this).addClass('ui-state-focus');
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} else {
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$(this).blur();
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}
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})
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.blur(function() {
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$(this).removeClass('ui-state-focus');
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});
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this.handles.each(function(i) {
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$(this).data("index.ui-slider-handle", i);
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});
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this.handles.keydown(function(event) {
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var ret = true;
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var index = $(this).data("index.ui-slider-handle");
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if (self.options.disabled)
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return;
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switch (event.keyCode) {
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case $.ui.keyCode.HOME:
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case $.ui.keyCode.END:
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case $.ui.keyCode.UP:
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case $.ui.keyCode.RIGHT:
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case $.ui.keyCode.DOWN:
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case $.ui.keyCode.LEFT:
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ret = false;
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if (!self._keySliding) {
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self._keySliding = true;
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$(this).addClass("ui-state-active");
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self._start(event, index);
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}
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break;
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}
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var curVal, newVal, step = self._step();
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if (self.options.values && self.options.values.length) {
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curVal = newVal = self.values(index);
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} else {
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curVal = newVal = self.value();
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}
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switch (event.keyCode) {
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case $.ui.keyCode.HOME:
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newVal = self._valueMin();
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break;
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case $.ui.keyCode.END:
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newVal = self._valueMax();
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break;
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case $.ui.keyCode.UP:
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case $.ui.keyCode.RIGHT:
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if(curVal == self._valueMax()) return;
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newVal = curVal + step;
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break;
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case $.ui.keyCode.DOWN:
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case $.ui.keyCode.LEFT:
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if(curVal == self._valueMin()) return;
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newVal = curVal - step;
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break;
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}
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self._slide(event, index, newVal);
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return ret;
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}).keyup(function(event) {
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var index = $(this).data("index.ui-slider-handle");
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if (self._keySliding) {
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self._stop(event, index);
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self._change(event, index);
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self._keySliding = false;
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$(this).removeClass("ui-state-active");
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}
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});
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this._refreshValue();
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},
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destroy: function() {
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this.handles.remove();
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this.range.remove();
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this.element
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.removeClass("ui-slider"
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+ " ui-slider-horizontal"
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+ " ui-slider-vertical"
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+ " ui-slider-disabled"
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+ " ui-widget"
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+ " ui-widget-content"
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+ " ui-corner-all")
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.removeData("slider")
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.unbind(".slider");
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this._mouseDestroy();
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},
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_mouseCapture: function(event) {
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var o = this.options;
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if (o.disabled)
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return false;
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this.elementSize = {
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width: this.element.outerWidth(),
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height: this.element.outerHeight()
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};
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this.elementOffset = this.element.offset();
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var position = { x: event.pageX, y: event.pageY };
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var normValue = this._normValueFromMouse(position);
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var distance = this._valueMax() - this._valueMin() + 1, closestHandle;
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var self = this, index;
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this.handles.each(function(i) {
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var thisDistance = Math.abs(normValue - self.values(i));
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if (distance > thisDistance) {
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distance = thisDistance;
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closestHandle = $(this);
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index = i;
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}
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});
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// workaround for bug #3736 (if both handles of a range are at 0,
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// the first is always used as the one with least distance,
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// and moving it is obviously prevented by preventing negative ranges)
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if(o.range == true && this.values(1) == o.min) {
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closestHandle = $(this.handles[++index]);
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}
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this._start(event, index);
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self._handleIndex = index;
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closestHandle
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.addClass("ui-state-active")
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.focus();
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var offset = closestHandle.offset();
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var mouseOverHandle = !$(event.target).parents().andSelf().is('.ui-slider-handle');
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this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
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left: event.pageX - offset.left - (closestHandle.width() / 2),
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top: event.pageY - offset.top
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- (closestHandle.height() / 2)
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- (parseInt(closestHandle.css('borderTopWidth'),10) || 0)
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- (parseInt(closestHandle.css('borderBottomWidth'),10) || 0)
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+ (parseInt(closestHandle.css('marginTop'),10) || 0)
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};
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normValue = this._normValueFromMouse(position);
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this._slide(event, index, normValue);
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return true;
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},
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_mouseStart: function(event) {
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return true;
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},
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_mouseDrag: function(event) {
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var position = { x: event.pageX, y: event.pageY };
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var normValue = this._normValueFromMouse(position);
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this._slide(event, this._handleIndex, normValue);
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return false;
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},
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_mouseStop: function(event) {
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this.handles.removeClass("ui-state-active");
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this._stop(event, this._handleIndex);
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this._change(event, this._handleIndex);
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this._handleIndex = null;
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this._clickOffset = null;
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return false;
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},
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_detectOrientation: function() {
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this.orientation = this.options.orientation == 'vertical' ? 'vertical' : 'horizontal';
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},
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_normValueFromMouse: function(position) {
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var pixelTotal, pixelMouse;
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if ('horizontal' == this.orientation) {
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pixelTotal = this.elementSize.width;
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pixelMouse = position.x - this.elementOffset.left - (this._clickOffset ? this._clickOffset.left : 0);
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} else {
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pixelTotal = this.elementSize.height;
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pixelMouse = position.y - this.elementOffset.top - (this._clickOffset ? this._clickOffset.top : 0);
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}
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var percentMouse = (pixelMouse / pixelTotal);
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if (percentMouse > 1) percentMouse = 1;
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if (percentMouse < 0) percentMouse = 0;
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if ('vertical' == this.orientation)
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percentMouse = 1 - percentMouse;
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var valueTotal = this._valueMax() - this._valueMin(),
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valueMouse = percentMouse * valueTotal,
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valueMouseModStep = valueMouse % this.options.step,
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normValue = this._valueMin() + valueMouse - valueMouseModStep;
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if (valueMouseModStep > (this.options.step / 2))
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normValue += this.options.step;
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// Since JavaScript has problems with large floats, round
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// the final value to 5 digits after the decimal point (see #4124)
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return parseFloat(normValue.toFixed(5));
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},
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_start: function(event, index) {
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var uiHash = {
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handle: this.handles[index],
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value: this.value()
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};
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if (this.options.values && this.options.values.length) {
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uiHash.value = this.values(index);
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uiHash.values = this.values();
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}
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this._trigger("start", event, uiHash);
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},
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_slide: function(event, index, newVal) {
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var handle = this.handles[index];
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if (this.options.values && this.options.values.length) {
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var otherVal = this.values(index ? 0 : 1);
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if ((this.options.values.length == 2 && this.options.range === true) &&
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((index == 0 && newVal > otherVal) || (index == 1 && newVal < otherVal))){
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newVal = otherVal;
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}
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if (newVal != this.values(index)) {
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var newValues = this.values();
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newValues[index] = newVal;
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// A slide can be canceled by returning false from the slide callback
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var allowed = this._trigger("slide", event, {
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handle: this.handles[index],
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value: newVal,
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values: newValues
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});
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var otherVal = this.values(index ? 0 : 1);
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if (allowed !== false) {
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this.values(index, newVal, ( event.type == 'mousedown' && this.options.animate ), true);
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}
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}
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} else {
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if (newVal != this.value()) {
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// A slide can be canceled by returning false from the slide callback
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var allowed = this._trigger("slide", event, {
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handle: this.handles[index],
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value: newVal
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});
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if (allowed !== false) {
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this._setData('value', newVal, ( event.type == 'mousedown' && this.options.animate ));
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}
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}
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}
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},
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_stop: function(event, index) {
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var uiHash = {
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handle: this.handles[index],
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value: this.value()
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};
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if (this.options.values && this.options.values.length) {
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uiHash.value = this.values(index);
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uiHash.values = this.values();
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}
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this._trigger("stop", event, uiHash);
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},
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_change: function(event, index) {
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var uiHash = {
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handle: this.handles[index],
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value: this.value()
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};
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if (this.options.values && this.options.values.length) {
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uiHash.value = this.values(index);
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uiHash.values = this.values();
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}
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this._trigger("change", event, uiHash);
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},
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value: function(newValue) {
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if (arguments.length) {
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this._setData("value", newValue);
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this._change(null, 0);
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}
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return this._value();
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},
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values: function(index, newValue, animated, noPropagation) {
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if (arguments.length > 1) {
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this.options.values[index] = newValue;
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this._refreshValue(animated);
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if(!noPropagation) this._change(null, index);
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}
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if (arguments.length) {
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if (this.options.values && this.options.values.length) {
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return this._values(index);
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} else {
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return this.value();
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}
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} else {
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return this._values();
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}
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},
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_setData: function(key, value, animated) {
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$.widget.prototype._setData.apply(this, arguments);
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switch (key) {
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case 'disabled':
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if (value) {
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this.handles.filter(".ui-state-focus").blur();
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this.handles.removeClass("ui-state-hover");
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this.handles.attr("disabled", "disabled");
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} else {
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this.handles.removeAttr("disabled");
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}
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case 'orientation':
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this._detectOrientation();
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this.element
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.removeClass("ui-slider-horizontal ui-slider-vertical")
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.addClass("ui-slider-" + this.orientation);
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this._refreshValue(animated);
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break;
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case 'value':
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this._refreshValue(animated);
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break;
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}
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},
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_step: function() {
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var step = this.options.step;
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return step;
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},
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_value: function() {
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var val = this.options.value;
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if (val < this._valueMin()) val = this._valueMin();
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if (val > this._valueMax()) val = this._valueMax();
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return val;
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},
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_values: function(index) {
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if (arguments.length) {
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var val = this.options.values[index];
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if (val < this._valueMin()) val = this._valueMin();
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if (val > this._valueMax()) val = this._valueMax();
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return val;
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} else {
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return this.options.values;
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}
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},
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_valueMin: function() {
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var valueMin = this.options.min;
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return valueMin;
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},
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_valueMax: function() {
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var valueMax = this.options.max;
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return valueMax;
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},
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_refreshValue: function(animate) {
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var oRange = this.options.range, o = this.options, self = this;
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if (this.options.values && this.options.values.length) {
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var vp0, vp1;
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this.handles.each(function(i, j) {
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var valPercent = (self.values(i) - self._valueMin()) / (self._valueMax() - self._valueMin()) * 100;
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var _set = {}; _set[self.orientation == 'horizontal' ? 'left' : 'bottom'] = valPercent + '%';
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$(this).stop(1,1)[animate ? 'animate' : 'css'](_set, o.animate);
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if (self.options.range === true) {
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if (self.orientation == 'horizontal') {
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(i == 0) && self.range.stop(1,1)[animate ? 'animate' : 'css']({ left: valPercent + '%' }, o.animate);
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(i == 1) && self.range[animate ? 'animate' : 'css']({ width: (valPercent - lastValPercent) + '%' }, { queue: false, duration: o.animate });
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} else {
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(i == 0) && self.range.stop(1,1)[animate ? 'animate' : 'css']({ bottom: (valPercent) + '%' }, o.animate);
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(i == 1) && self.range[animate ? 'animate' : 'css']({ height: (valPercent - lastValPercent) + '%' }, { queue: false, duration: o.animate });
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}
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}
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lastValPercent = valPercent;
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});
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} else {
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var value = this.value(),
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valueMin = this._valueMin(),
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valueMax = this._valueMax(),
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valPercent = valueMax != valueMin
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? (value - valueMin) / (valueMax - valueMin) * 100
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: 0;
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var _set = {}; _set[self.orientation == 'horizontal' ? 'left' : 'bottom'] = valPercent + '%';
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this.handle.stop(1,1)[animate ? 'animate' : 'css'](_set, o.animate);
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(oRange == "min") && (this.orientation == "horizontal") && this.range.stop(1,1)[animate ? 'animate' : 'css']({ width: valPercent + '%' }, o.animate);
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(oRange == "max") && (this.orientation == "horizontal") && this.range[animate ? 'animate' : 'css']({ width: (100 - valPercent) + '%' }, { queue: false, duration: o.animate });
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(oRange == "min") && (this.orientation == "vertical") && this.range.stop(1,1)[animate ? 'animate' : 'css']({ height: valPercent + '%' }, o.animate);
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(oRange == "max") && (this.orientation == "vertical") && this.range[animate ? 'animate' : 'css']({ height: (100 - valPercent) + '%' }, { queue: false, duration: o.animate });
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}
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}
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}));
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$.extend($.ui.slider, {
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getter: "value values",
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version: "1.7.2",
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eventPrefix: "slide",
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defaults: {
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animate: false,
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delay: 0,
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distance: 0,
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max: 100,
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min: 0,
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orientation: 'horizontal',
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range: false,
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step: 1,
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value: 0,
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values: null
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}
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});
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})(jQuery);
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