jquery.ui library now is in its module directory
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553
modules/jquery_ui/jquery.ui/ui/ui.slider.js
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553
modules/jquery_ui/jquery.ui/ui/ui.slider.js
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/*
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* jQuery UI Slider 1.6
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*
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* Copyright (c) 2008 AUTHORS.txt (http://ui.jquery.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($) {
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$.fn.unwrap = $.fn.unwrap || function(expr) {
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return this.each(function(){
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$(this).parents(expr).eq(0).after(this).remove();
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});
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};
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$.widget("ui.slider", {
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_init: function() {
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var self = this;
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this.element.addClass("ui-slider");
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this._initBoundaries();
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// Initialize mouse and key events for interaction
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this.handle = $(this.options.handle, this.element);
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if (!this.handle.length) {
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self.handle = self.generated = $(self.options.handles || [0]).map(function() {
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var handle = $("<div/>").addClass("ui-slider-handle").appendTo(self.element);
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if (this.id)
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handle.attr("id", this.id);
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return handle[0];
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});
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}
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var handleclass = function(el) {
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this.element = $(el);
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this.element.data("mouse", this);
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this.options = self.options;
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this.element.bind("mousedown", function() {
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if(self.currentHandle) this.blur(self.currentHandle);
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self._focus(this, true);
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});
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this._mouseInit();
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};
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$.extend(handleclass.prototype, $.ui.mouse, {
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_mouseCapture: function() { return true; },
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_mouseStart: function(event) { return self._start.call(self, event, this.element[0]); },
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_mouseDrag: function(event) { return self._drag.call(self, event, this.element[0]); },
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_mouseStop: function(event) { return self._stop.call(self, event, this.element[0]); },
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trigger: function(event) { this._mouseDown(event); }
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});
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$(this.handle)
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.each(function() {
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new handleclass(this);
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})
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.wrap('<a href="#" style="outline:none;border:none;"></a>')
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.parent()
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.bind('click', function() { return false; })
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.bind('focus', function(event) { self._focus(this.firstChild); })
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.bind('blur', function(event) { self._blur(this.firstChild); })
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.bind('keydown', function(event) { if(!self.options.noKeyboard) return self._keydown(event.keyCode, this.firstChild); })
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;
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// Bind the click to the slider itself
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this.element.bind('mousedown.slider', function(event) {
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if($(event.target).is('.ui-slider-handle')) return;
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//Go to the actual clicked posiion, apply a click
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self._click.apply(self, [event]);
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//initiate a handle drag, so we can click+drag somewhere
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self.currentHandle.data("mouse").trigger(event);
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//This is for always triggering the change event
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self.firstValue = self.firstValue + 1;
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});
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// Move the first handle to the startValue
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$.each(this.options.handles || [], function(index, handle) {
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self.moveTo(handle.start, index, true);
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});
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if (!isNaN(this.options.startValue))
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this.moveTo(this.options.startValue, 0, true);
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this.previousHandle = $(this.handle[0]); //set the previous handle to the first to allow clicking before selecting the handle
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if(this.handle.length == 2 && this.options.range) this._createRange();
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},
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destroy: function() {
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this.element
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.removeClass("ui-slider ui-slider-disabled")
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.removeData("slider")
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.unbind(".slider");
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if(this.handle && this.handle.length) {
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this.handle
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.unwrap("a");
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this.handle.each(function() {
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var mouse = $(this).data("mouse");
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mouse && mouse._mouseDestroy();
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});
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}
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this.generated && this.generated.remove();
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},
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_start: function(event, handle) {
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var o = this.options;
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if(o.disabled) return false;
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// Prepare the outer size
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this.actualSize = { width: this.element.outerWidth() , height: this.element.outerHeight() };
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// This is a especially ugly fix for strange blur events happening on mousemove events
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if (!this.currentHandle)
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this._focus(this.previousHandle, true);
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this.offset = this.element.offset();
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this.handleOffset = this.currentHandle.offset();
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this.clickOffset = { top: event.pageY - this.handleOffset.top, left: event.pageX - this.handleOffset.left };
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this.firstValue = this.value();
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this._propagate('start', event);
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this._drag(event, handle);
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return true;
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},
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_drag: function(event, handle) {
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var o = this.options;
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var position = { top: event.pageY - this.offset.top - this.clickOffset.top, left: event.pageX - this.offset.left - this.clickOffset.left};
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if(!this.currentHandle) this._focus(this.previousHandle, true); //This is a especially ugly fix for strange blur events happening on mousemove events
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position.left = this._translateLimits(position.left, "x");
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position.top = this._translateLimits(position.top, "y");
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if (o.stepping.x) {
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var value = this._convertValue(position.left, "x");
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value = this._round(value / o.stepping.x) * o.stepping.x;
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position.left = this._translateValue(value, "x");
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}
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if (o.stepping.y) {
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var value = this._convertValue(position.top, "y");
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value = this._round(value / o.stepping.y) * o.stepping.y;
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position.top = this._translateValue(value, "y");
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}
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position.left = this._translateRange(position.left, "x");
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position.top = this._translateRange(position.top, "y");
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if(o.axis != "vertical") this.currentHandle.css({ left: position.left });
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if(o.axis != "horizontal") this.currentHandle.css({ top: position.top });
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//Store the slider's value
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this.currentHandle.data("mouse").sliderValue = {
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x: this._round(this._convertValue(position.left, "x")) || 0,
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y: this._round(this._convertValue(position.top, "y")) || 0
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};
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if (this.rangeElement)
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this._updateRange();
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this._propagate('slide', event);
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return false;
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},
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_stop: function(event) {
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this._propagate('stop', event);
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if (this.firstValue != this.value())
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this._propagate('change', event);
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// This is a especially ugly fix for strange blur events happening on mousemove events
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this._focus(this.currentHandle, true);
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return false;
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},
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_round: function(value) {
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return this.options.round ? parseInt(value,10) : parseFloat(value);
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},
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_setData: function(key, value) {
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$.widget.prototype._setData.apply(this, arguments);
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if (/min|max|steps/.test(key)) {
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this._initBoundaries();
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}
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if(key == "range") {
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value ? this.handle.length == 2 && this._createRange() : this._removeRange();
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}
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},
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_initBoundaries: function() {
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var element = this.element[0], o = this.options;
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this.actualSize = { width: this.element.outerWidth() , height: this.element.outerHeight() };
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$.extend(o, {
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axis: o.axis || (element.offsetWidth < element.offsetHeight ? 'vertical' : 'horizontal'),
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max: !isNaN(parseInt(o.max,10)) ? { x: parseInt(o.max, 10), y: parseInt(o.max, 10) } : ({ x: o.max && o.max.x || 100, y: o.max && o.max.y || 100 }),
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min: !isNaN(parseInt(o.min,10)) ? { x: parseInt(o.min, 10), y: parseInt(o.min, 10) } : ({ x: o.min && o.min.x || 0, y: o.min && o.min.y || 0 })
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});
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//Prepare the real maxValue
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o.realMax = {
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x: o.max.x - o.min.x,
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y: o.max.y - o.min.y
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};
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//Calculate stepping based on steps
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o.stepping = {
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x: o.stepping && o.stepping.x || parseInt(o.stepping, 10) || (o.steps ? o.realMax.x/(o.steps.x || parseInt(o.steps, 10) || o.realMax.x) : 0),
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y: o.stepping && o.stepping.y || parseInt(o.stepping, 10) || (o.steps ? o.realMax.y/(o.steps.y || parseInt(o.steps, 10) || o.realMax.y) : 0)
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};
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},
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_keydown: function(keyCode, handle) {
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if (this.options.disabled)
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return;
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var k = keyCode;
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if(/(33|34|35|36|37|38|39|40)/.test(k)) {
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var o = this.options, xpos, ypos;
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if (/(35|36)/.test(k)) {
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xpos = (k == 35) ? o.max.x : o.min.x;
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ypos = (k == 35) ? o.max.y : o.min.y;
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} else {
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var oper = /(34|37|40)/.test(k) ? "-=" : "+=";
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var step = /(37|38|39|40)/.test(k) ? "_oneStep" : "_pageStep";
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xpos = oper + this[step]("x");
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ypos = oper + this[step]("y");
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}
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this.moveTo({
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x: xpos,
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y: ypos
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}, handle);
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return false;
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}
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return true;
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},
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_focus: function(handle,hard) {
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this.currentHandle = $(handle).addClass('ui-slider-handle-active');
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if (hard)
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this.currentHandle.parent()[0].focus();
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},
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_blur: function(handle) {
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$(handle).removeClass('ui-slider-handle-active');
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if(this.currentHandle && this.currentHandle[0] == handle) {
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this.previousHandle = this.currentHandle;
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this.currentHandle = null;
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};
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},
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_click: function(event) {
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// This method is only used if:
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// - The user didn't click a handle
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// - The Slider is not disabled
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// - There is a current, or previous selected handle (otherwise we wouldn't know which one to move)
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var pointer = [event.pageX, event.pageY];
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var clickedHandle = false;
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this.handle.each(function() {
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if(this == event.target)
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clickedHandle = true;
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});
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if (clickedHandle || this.options.disabled || !(this.currentHandle || this.previousHandle))
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return;
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// If a previous handle was focussed, focus it again
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if (!this.currentHandle && this.previousHandle)
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this._focus(this.previousHandle, true);
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// propagate only for distance > 0, otherwise propagation is done my drag
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this.offset = this.element.offset();
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this.moveTo({
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y: this._convertValue(event.pageY - this.offset.top - this.currentHandle[0].offsetHeight/2, "y"),
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x: this._convertValue(event.pageX - this.offset.left - this.currentHandle[0].offsetWidth/2, "x")
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}, null, !this.options.distance);
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},
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_createRange: function() {
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if(this.rangeElement) return;
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this.rangeElement = $('<div></div>')
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.addClass('ui-slider-range')
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.css({ position: 'absolute' })
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.appendTo(this.element);
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this._updateRange();
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},
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_removeRange: function() {
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this.rangeElement.remove();
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this.rangeElement = null;
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},
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_updateRange: function() {
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var prop = this.options.axis == "vertical" ? "top" : "left";
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var size = this.options.axis == "vertical" ? "height" : "width";
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this.rangeElement.css(prop, (this._round($(this.handle[0]).css(prop)) || 0) + this._handleSize(0, this.options.axis == "vertical" ? "y" : "x")/2);
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this.rangeElement.css(size, (this._round($(this.handle[1]).css(prop)) || 0) - (this._round($(this.handle[0]).css(prop)) || 0));
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},
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_getRange: function() {
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return this.rangeElement ? this._convertValue(this._round(this.rangeElement.css(this.options.axis == "vertical" ? "height" : "width")), this.options.axis == "vertical" ? "y" : "x") : null;
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},
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_handleIndex: function() {
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return this.handle.index(this.currentHandle[0]);
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},
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value: function(handle, axis) {
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if(this.handle.length == 1) this.currentHandle = this.handle;
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if(!axis) axis = this.options.axis == "vertical" ? "y" : "x";
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var curHandle = $(handle != undefined && handle !== null ? this.handle[handle] || handle : this.currentHandle);
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if(curHandle.data("mouse").sliderValue) {
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return this._round(curHandle.data("mouse").sliderValue[axis]);
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} else {
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return this._round(((this._round(curHandle.css(axis == "x" ? "left" : "top")) / (this.actualSize[axis == "x" ? "width" : "height"] - this._handleSize(handle,axis))) * this.options.realMax[axis]) + this.options.min[axis]);
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}
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},
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_convertValue: function(value,axis) {
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return this.options.min[axis] + (value / (this.actualSize[axis == "x" ? "width" : "height"] - this._handleSize(null,axis))) * this.options.realMax[axis];
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},
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_translateValue: function(value,axis) {
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return ((value - this.options.min[axis]) / this.options.realMax[axis]) * (this.actualSize[axis == "x" ? "width" : "height"] - this._handleSize(null,axis));
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},
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_translateRange: function(value,axis) {
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if (this.rangeElement) {
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if (this.currentHandle[0] == this.handle[0] && value >= this._translateValue(this.value(1),axis))
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value = this._translateValue(this.value(1,axis) - this._oneStep(axis), axis);
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if (this.currentHandle[0] == this.handle[1] && value <= this._translateValue(this.value(0),axis))
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value = this._translateValue(this.value(0,axis) + this._oneStep(axis), axis);
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}
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if (this.options.handles) {
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var handle = this.options.handles[this._handleIndex()];
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if (value < this._translateValue(handle.min,axis)) {
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value = this._translateValue(handle.min,axis);
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} else if (value > this._translateValue(handle.max,axis)) {
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value = this._translateValue(handle.max,axis);
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}
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}
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return value;
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},
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_translateLimits: function(value,axis) {
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if (value >= this.actualSize[axis == "x" ? "width" : "height"] - this._handleSize(null,axis))
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value = this.actualSize[axis == "x" ? "width" : "height"] - this._handleSize(null,axis);
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if (value <= 0)
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value = 0;
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return value;
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},
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_handleSize: function(handle,axis) {
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return $(handle != undefined && handle !== null ? this.handle[handle] : this.currentHandle)[0]["offset"+(axis == "x" ? "Width" : "Height")];
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},
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_oneStep: function(axis) {
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return this.options.stepping[axis] || 1;
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},
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_pageStep: function(axis) {
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return /* this.options.paging[axis] ||*/ 10;
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},
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moveTo: function(value, handle, noPropagation) {
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var o = this.options;
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// Prepare the outer size
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this.actualSize = { width: this.element.outerWidth() , height: this.element.outerHeight() };
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//If no handle has been passed, no current handle is available and we have multiple handles, return false
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if (handle == undefined && !this.currentHandle && this.handle.length != 1)
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return false;
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//If only one handle is available, use it
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if (handle == undefined && !this.currentHandle)
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handle = 0;
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if (handle != undefined)
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this.currentHandle = this.previousHandle = $(this.handle[handle] || handle);
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if(value.x !== undefined && value.y !== undefined) {
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var x = value.x, y = value.y;
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} else {
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var x = value, y = value;
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}
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if(x !== undefined && x.constructor != Number) {
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var me = /^\-\=/.test(x), pe = /^\+\=/.test(x);
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if(me || pe) {
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x = this.value(null, "x") + this._round(x.replace(me ? '=' : '+=', ''));
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} else {
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x = isNaN(this._round(x)) ? undefined : this._round(x);
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}
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}
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if(y !== undefined && y.constructor != Number) {
|
||||
var me = /^\-\=/.test(y), pe = /^\+\=/.test(y);
|
||||
if(me || pe) {
|
||||
y = this.value(null, "y") + this._round(y.replace(me ? '=' : '+=', ''));
|
||||
} else {
|
||||
y = isNaN(this._round(y)) ? undefined : this._round(y);
|
||||
}
|
||||
}
|
||||
|
||||
if(o.axis != "vertical" && x !== undefined) {
|
||||
if(o.stepping.x) x = this._round(x / o.stepping.x) * o.stepping.x;
|
||||
x = this._translateValue(x, "x");
|
||||
x = this._translateLimits(x, "x");
|
||||
x = this._translateRange(x, "x");
|
||||
|
||||
o.animate ? this.currentHandle.stop().animate({ left: x }, (Math.abs(parseInt(this.currentHandle.css("left"),10) - x)) * (!isNaN(parseInt(o.animate,10)) ? o.animate : 5)) : this.currentHandle.css({ left: x });
|
||||
}
|
||||
|
||||
if(o.axis != "horizontal" && y !== undefined) {
|
||||
if(o.stepping.y) y = this._round(y / o.stepping.y) * o.stepping.y;
|
||||
y = this._translateValue(y, "y");
|
||||
y = this._translateLimits(y, "y");
|
||||
y = this._translateRange(y, "y");
|
||||
o.animate ? this.currentHandle.stop().animate({ top: y }, (Math.abs(parseInt(this.currentHandle.css("top"),10) - y)) * (!isNaN(parseInt(o.animate,10)) ? o.animate : 5)) : this.currentHandle.css({ top: y });
|
||||
}
|
||||
|
||||
if (this.rangeElement)
|
||||
this._updateRange();
|
||||
|
||||
//Store the slider's value
|
||||
this.currentHandle.data("mouse").sliderValue = {
|
||||
x: this._round(this._convertValue(x, "x")) || 0,
|
||||
y: this._round(this._convertValue(y, "y")) || 0
|
||||
};
|
||||
|
||||
if (!noPropagation) {
|
||||
this._propagate('start', null);
|
||||
this._propagate("slide", null);
|
||||
this._propagate('stop', null);
|
||||
this._propagate('change', null);
|
||||
}
|
||||
|
||||
},
|
||||
|
||||
_propagate: function(n, event) {
|
||||
|
||||
$.ui.plugin.call(this, n, [event, this.ui()]);
|
||||
this.element.triggerHandler(n == "slide" ? n : "slide"+n, [event, this.ui()], this.options[n]);
|
||||
|
||||
},
|
||||
|
||||
plugins: {},
|
||||
|
||||
ui: function(event) {
|
||||
return {
|
||||
options: this.options,
|
||||
handle: this.currentHandle,
|
||||
value: this.options.axis != "both" || !this.options.axis ?
|
||||
this._round(this.value(null, this.options.axis == "vertical" ? "y" : "x")) :
|
||||
{
|
||||
x: this._round(this.value(null, "x")),
|
||||
y: this._round(this.value(null, "y"))
|
||||
},
|
||||
range: this._getRange()
|
||||
};
|
||||
}
|
||||
|
||||
});
|
||||
|
||||
$.extend($.ui.slider, {
|
||||
getter: "value",
|
||||
version: "1.6",
|
||||
defaults: {
|
||||
animate: false,
|
||||
distance: 1,
|
||||
handle: ".ui-slider-handle",
|
||||
round: true
|
||||
}
|
||||
});
|
||||
|
||||
})(jQuery);
|
||||
Reference in a new issue