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| /* |
| * jQuery UI Slider 1.8.5 |
| * |
| * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about) |
| * Dual licensed under the MIT or GPL Version 2 licenses. |
| * http://jquery.org/license |
| * |
| * http://docs.jquery.com/UI/Slider |
| * |
| * Depends: |
| * jquery.ui.core.js |
| * jquery.ui.mouse.js |
| * jquery.ui.widget.js |
| */ |
| (function( $, undefined ) { |
| |
| // number of pages in a slider |
| // (how many times can you page up/down to go through the whole range) |
| var numPages = 5; |
| |
| $.widget( "ui.slider", $.ui.mouse, { |
| |
| widgetEventPrefix: "slide", |
| |
| options: { |
| animate: false, |
| distance: 0, |
| max: 100, |
| min: 0, |
| orientation: "horizontal", |
| range: false, |
| step: 1, |
| value: 0, |
| values: null |
| }, |
| |
| _create: function() { |
| var self = this, |
| o = this.options; |
| |
| this._keySliding = false; |
| this._mouseSliding = false; |
| this._animateOff = true; |
| this._handleIndex = null; |
| this._detectOrientation(); |
| this._mouseInit(); |
| |
| this.element |
| .addClass( "ui-slider" + |
| " ui-slider-" + this.orientation + |
| " ui-widget" + |
| " ui-widget-content" + |
| " ui-corner-all" ); |
| |
| if ( o.disabled ) { |
| this.element.addClass( "ui-slider-disabled ui-disabled" ); |
| } |
| |
| this.range = $([]); |
| |
| if ( o.range ) { |
| if ( o.range === true ) { |
| this.range = $( "<div></div>" ); |
| if ( !o.values ) { |
| o.values = [ this._valueMin(), this._valueMin() ]; |
| } |
| if ( o.values.length && o.values.length !== 2 ) { |
| o.values = [ o.values[0], o.values[0] ]; |
| } |
| } else { |
| this.range = $( "<div></div>" ); |
| } |
| |
| this.range |
| .appendTo( this.element ) |
| .addClass( "ui-slider-range" ); |
| |
| if ( o.range === "min" || o.range === "max" ) { |
| this.range.addClass( "ui-slider-range-" + o.range ); |
| } |
| |
| // note: this isn't the most fittingly semantic framework class for this element, |
| // but worked best visually with a variety of themes |
| this.range.addClass( "ui-widget-header" ); |
| } |
| |
| if ( $( ".ui-slider-handle", this.element ).length === 0 ) { |
| $( "<a href='#'></a>" ) |
| .appendTo( this.element ) |
| .addClass( "ui-slider-handle" ); |
| } |
| |
| if ( o.values && o.values.length ) { |
| while ( $(".ui-slider-handle", this.element).length < o.values.length ) { |
| $( "<a href='#'></a>" ) |
| .appendTo( this.element ) |
| .addClass( "ui-slider-handle" ); |
| } |
| } |
| |
| this.handles = $( ".ui-slider-handle", this.element ) |
| .addClass( "ui-state-default" + |
| " ui-corner-all" ); |
| |
| this.handle = this.handles.eq( 0 ); |
| |
| this.handles.add( this.range ).filter( "a" ) |
| .click(function( event ) { |
| event.preventDefault(); |
| }) |
| .hover(function() { |
| if ( !o.disabled ) { |
| $( this ).addClass( "ui-state-hover" ); |
| } |
| }, function() { |
| $( this ).removeClass( "ui-state-hover" ); |
| }) |
| .focus(function() { |
| if ( !o.disabled ) { |
| $( ".ui-slider .ui-state-focus" ).removeClass( "ui-state-focus" ); |
| $( this ).addClass( "ui-state-focus" ); |
| } else { |
| $( this ).blur(); |
| } |
| }) |
| .blur(function() { |
| $( this ).removeClass( "ui-state-focus" ); |
| }); |
| |
| this.handles.each(function( i ) { |
| $( this ).data( "index.ui-slider-handle", i ); |
| }); |
| |
| this.handles |
| .keydown(function( event ) { |
| var ret = true, |
| index = $( this ).data( "index.ui-slider-handle" ), |
| allowed, |
| curVal, |
| newVal, |
| step; |
| |
| if ( self.options.disabled ) { |
| return; |
| } |
| |
| switch ( event.keyCode ) { |
| case $.ui.keyCode.HOME: |
| case $.ui.keyCode.END: |
| case $.ui.keyCode.PAGE_UP: |
| case $.ui.keyCode.PAGE_DOWN: |
| case $.ui.keyCode.UP: |
| case $.ui.keyCode.RIGHT: |
| case $.ui.keyCode.DOWN: |
| case $.ui.keyCode.LEFT: |
| ret = false; |
| if ( !self._keySliding ) { |
| self._keySliding = true; |
| $( this ).addClass( "ui-state-active" ); |
| allowed = self._start( event, index ); |
| if ( allowed === false ) { |
| return; |
| } |
| } |
| break; |
| } |
| |
| step = self.options.step; |
| if ( self.options.values && self.options.values.length ) { |
| curVal = newVal = self.values( index ); |
| } else { |
| curVal = newVal = self.value(); |
| } |
| |
| switch ( event.keyCode ) { |
| case $.ui.keyCode.HOME: |
| newVal = self._valueMin(); |
| break; |
| case $.ui.keyCode.END: |
| newVal = self._valueMax(); |
| break; |
| case $.ui.keyCode.PAGE_UP: |
| newVal = self._trimAlignValue( curVal + ( (self._valueMax() - self._valueMin()) / numPages ) ); |
| break; |
| case $.ui.keyCode.PAGE_DOWN: |
| newVal = self._trimAlignValue( curVal - ( (self._valueMax() - self._valueMin()) / numPages ) ); |
| break; |
| case $.ui.keyCode.UP: |
| case $.ui.keyCode.RIGHT: |
| if ( curVal === self._valueMax() ) { |
| return; |
| } |
| newVal = self._trimAlignValue( curVal + step ); |
| break; |
| case $.ui.keyCode.DOWN: |
| case $.ui.keyCode.LEFT: |
| if ( curVal === self._valueMin() ) { |
| return; |
| } |
| newVal = self._trimAlignValue( curVal - step ); |
| break; |
| } |
| |
| self._slide( event, index, newVal ); |
| |
| return ret; |
| |
| }) |
| .keyup(function( event ) { |
| var index = $( this ).data( "index.ui-slider-handle" ); |
| |
| if ( self._keySliding ) { |
| self._keySliding = false; |
| self._stop( event, index ); |
| self._change( event, index ); |
| $( this ).removeClass( "ui-state-active" ); |
| } |
| |
| }); |
| |
| this._refreshValue(); |
| |
| this._animateOff = false; |
| }, |
| |
| destroy: function() { |
| this.handles.remove(); |
| this.range.remove(); |
| |
| this.element |
| .removeClass( "ui-slider" + |
| " ui-slider-horizontal" + |
| " ui-slider-vertical" + |
| " ui-slider-disabled" + |
| " ui-widget" + |
| " ui-widget-content" + |
| " ui-corner-all" ) |
| .removeData( "slider" ) |
| .unbind( ".slider" ); |
| |
| this._mouseDestroy(); |
| |
| return this; |
| }, |
| |
| _mouseCapture: function( event ) { |
| var o = this.options, |
| position, |
| normValue, |
| distance, |
| closestHandle, |
| self, |
| index, |
| allowed, |
| offset, |
| mouseOverHandle; |
| |
| if ( o.disabled ) { |
| return false; |
| } |
| |
| this.elementSize = { |
| width: this.element.outerWidth(), |
| height: this.element.outerHeight() |
| }; |
| this.elementOffset = this.element.offset(); |
| |
| position = { x: event.pageX, y: event.pageY }; |
| normValue = this._normValueFromMouse( position ); |
| distance = this._valueMax() - this._valueMin() + 1; |
| self = this; |
| this.handles.each(function( i ) { |
| var thisDistance = Math.abs( normValue - self.values(i) ); |
| if ( distance > thisDistance ) { |
| distance = thisDistance; |
| closestHandle = $( this ); |
| index = i; |
| } |
| }); |
| |
| // workaround for bug #3736 (if both handles of a range are at 0, |
| // the first is always used as the one with least distance, |
| // and moving it is obviously prevented by preventing negative ranges) |
| if( o.range === true && this.values(1) === o.min ) { |
| index += 1; |
| closestHandle = $( this.handles[index] ); |
| } |
| |
| allowed = this._start( event, index ); |
| if ( allowed === false ) { |
| return false; |
| } |
| this._mouseSliding = true; |
| |
| self._handleIndex = index; |
| |
| closestHandle |
| .addClass( "ui-state-active" ) |
| .focus(); |
| |
| offset = closestHandle.offset(); |
| mouseOverHandle = !$( event.target ).parents().andSelf().is( ".ui-slider-handle" ); |
| this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : { |
| left: event.pageX - offset.left - ( closestHandle.width() / 2 ), |
| top: event.pageY - offset.top - |
| ( closestHandle.height() / 2 ) - |
| ( parseInt( closestHandle.css("borderTopWidth"), 10 ) || 0 ) - |
| ( parseInt( closestHandle.css("borderBottomWidth"), 10 ) || 0) + |
| ( parseInt( closestHandle.css("marginTop"), 10 ) || 0) |
| }; |
| |
| this._slide( event, index, normValue ); |
| this._animateOff = true; |
| return true; |
| }, |
| |
| _mouseStart: function( event ) { |
| return true; |
| }, |
| |
| _mouseDrag: function( event ) { |
| var position = { x: event.pageX, y: event.pageY }, |
| normValue = this._normValueFromMouse( position ); |
| |
| this._slide( event, this._handleIndex, normValue ); |
| |
| return false; |
| }, |
| |
| _mouseStop: function( event ) { |
| this.handles.removeClass( "ui-state-active" ); |
| this._mouseSliding = false; |
| |
| this._stop( event, this._handleIndex ); |
| this._change( event, this._handleIndex ); |
| |
| this._handleIndex = null; |
| this._clickOffset = null; |
| this._animateOff = false; |
| |
| return false; |
| }, |
| |
| _detectOrientation: function() { |
| this.orientation = ( this.options.orientation === "vertical" ) ? "vertical" : "horizontal"; |
| }, |
| |
| _normValueFromMouse: function( position ) { |
| var pixelTotal, |
| pixelMouse, |
| percentMouse, |
| valueTotal, |
| valueMouse; |
| |
| if ( this.orientation === "horizontal" ) { |
| pixelTotal = this.elementSize.width; |
| pixelMouse = position.x - this.elementOffset.left - ( this._clickOffset ? this._clickOffset.left : 0 ); |
| } else { |
| pixelTotal = this.elementSize.height; |
| pixelMouse = position.y - this.elementOffset.top - ( this._clickOffset ? this._clickOffset.top : 0 ); |
| } |
| |
| percentMouse = ( pixelMouse / pixelTotal ); |
| if ( percentMouse > 1 ) { |
| percentMouse = 1; |
| } |
| if ( percentMouse < 0 ) { |
| percentMouse = 0; |
| } |
| if ( this.orientation === "vertical" ) { |
| percentMouse = 1 - percentMouse; |
| } |
| |
| valueTotal = this._valueMax() - this._valueMin(); |
| valueMouse = this._valueMin() + percentMouse * valueTotal; |
| |
| return this._trimAlignValue( valueMouse ); |
| }, |
| |
| _start: function( event, index ) { |
| var uiHash = { |
| handle: this.handles[ index ], |
| value: this.value() |
| }; |
| if ( this.options.values && this.options.values.length ) { |
| uiHash.value = this.values( index ); |
| uiHash.values = this.values(); |
| } |
| return this._trigger( "start", event, uiHash ); |
| }, |
| |
| _slide: function( event, index, newVal ) { |
| var otherVal, |
| newValues, |
| allowed; |
| |
| if ( this.options.values && this.options.values.length ) { |
| otherVal = this.values( index ? 0 : 1 ); |
| |
| if ( ( this.options.values.length === 2 && this.options.range === true ) && |
| ( ( index === 0 && newVal > otherVal) || ( index === 1 && newVal < otherVal ) ) |
| ) { |
| newVal = otherVal; |
| } |
| |
| if ( newVal !== this.values( index ) ) { |
| newValues = this.values(); |
| newValues[ index ] = newVal; |
| // A slide can be canceled by returning false from the slide callback |
| allowed = this._trigger( "slide", event, { |
| handle: this.handles[ index ], |
| value: newVal, |
| values: newValues |
| } ); |
| otherVal = this.values( index ? 0 : 1 ); |
| if ( allowed !== false ) { |
| this.values( index, newVal, true ); |
| } |
| } |
| } else { |
| if ( newVal !== this.value() ) { |
| // A slide can be canceled by returning false from the slide callback |
| allowed = this._trigger( "slide", event, { |
| handle: this.handles[ index ], |
| value: newVal |
| } ); |
| if ( allowed !== false ) { |
| this.value( newVal ); |
| } |
| } |
| } |
| }, |
| |
| _stop: function( event, index ) { |
| var uiHash = { |
| handle: this.handles[ index ], |
| value: this.value() |
| }; |
| if ( this.options.values && this.options.values.length ) { |
| uiHash.value = this.values( index ); |
| uiHash.values = this.values(); |
| } |
| |
| this._trigger( "stop", event, uiHash ); |
| }, |
| |
| _change: function( event, index ) { |
| if ( !this._keySliding && !this._mouseSliding ) { |
| var uiHash = { |
| handle: this.handles[ index ], |
| value: this.value() |
| }; |
| if ( this.options.values && this.options.values.length ) { |
| uiHash.value = this.values( index ); |
| uiHash.values = this.values(); |
| } |
| |
| this._trigger( "change", event, uiHash ); |
| } |
| }, |
| |
| value: function( newValue ) { |
| if ( arguments.length ) { |
| this.options.value = this._trimAlignValue( newValue ); |
| this._refreshValue(); |
| this._change( null, 0 ); |
| } |
| |
| return this._value(); |
| }, |
| |
| values: function( index, newValue ) { |
| var vals, |
| newValues, |
| i; |
| |
| if ( arguments.length > 1 ) { |
| this.options.values[ index ] = this._trimAlignValue( newValue ); |
| this._refreshValue(); |
| this._change( null, index ); |
| } |
| |
| if ( arguments.length ) { |
| if ( $.isArray( arguments[ 0 ] ) ) { |
| vals = this.options.values; |
| newValues = arguments[ 0 ]; |
| for ( i = 0; i < vals.length; i += 1 ) { |
| vals[ i ] = this._trimAlignValue( newValues[ i ] ); |
| this._change( null, i ); |
| } |
| this._refreshValue(); |
| } else { |
| if ( this.options.values && this.options.values.length ) { |
| return this._values( index ); |
| } else { |
| return this.value(); |
| } |
| } |
| } else { |
| return this._values(); |
| } |
| }, |
| |
| _setOption: function( key, value ) { |
| var i, |
| valsLength = 0; |
| |
| if ( $.isArray( this.options.values ) ) { |
| valsLength = this.options.values.length; |
| } |
| |
| $.Widget.prototype._setOption.apply( this, arguments ); |
| |
| switch ( key ) { |
| case "disabled": |
| if ( value ) { |
| this.handles.filter( ".ui-state-focus" ).blur(); |
| this.handles.removeClass( "ui-state-hover" ); |
| this.handles.attr( "disabled", "disabled" ); |
| this.element.addClass( "ui-disabled" ); |
| } else { |
| this.handles.removeAttr( "disabled" ); |
| this.element.removeClass( "ui-disabled" ); |
| } |
| break; |
| case "orientation": |
| this._detectOrientation(); |
| this.element |
| .removeClass( "ui-slider-horizontal ui-slider-vertical" ) |
| .addClass( "ui-slider-" + this.orientation ); |
| this._refreshValue(); |
| break; |
| case "value": |
| this._animateOff = true; |
| this._refreshValue(); |
| this._change( null, 0 ); |
| this._animateOff = false; |
| break; |
| case "values": |
| this._animateOff = true; |
| this._refreshValue(); |
| for ( i = 0; i < valsLength; i += 1 ) { |
| this._change( null, i ); |
| } |
| this._animateOff = false; |
| break; |
| } |
| }, |
| |
| //internal value getter |
| // _value() returns value trimmed by min and max, aligned by step |
| _value: function() { |
| var val = this.options.value; |
| val = this._trimAlignValue( val ); |
| |
| return val; |
| }, |
| |
| //internal values getter |
| // _values() returns array of values trimmed by min and max, aligned by step |
| // _values( index ) returns single value trimmed by min and max, aligned by step |
| _values: function( index ) { |
| var val, |
| vals, |
| i; |
| |
| if ( arguments.length ) { |
| val = this.options.values[ index ]; |
| val = this._trimAlignValue( val ); |
| |
| return val; |
| } else { |
| // .slice() creates a copy of the array |
| // this copy gets trimmed by min and max and then returned |
| vals = this.options.values.slice(); |
| for ( i = 0; i < vals.length; i+= 1) { |
| vals[ i ] = this._trimAlignValue( vals[ i ] ); |
| } |
| |
| return vals; |
| } |
| }, |
| |
| // returns the step-aligned value that val is closest to, between (inclusive) min and max |
| _trimAlignValue: function( val ) { |
| if ( val < this._valueMin() ) { |
| return this._valueMin(); |
| } |
| if ( val > this._valueMax() ) { |
| return this._valueMax(); |
| } |
| var step = ( this.options.step > 0 ) ? this.options.step : 1, |
| valModStep = val % step, |
| alignValue = val - valModStep; |
| |
| if ( Math.abs(valModStep) * 2 >= step ) { |
| alignValue += ( valModStep > 0 ) ? step : ( -step ); |
| } |
| |
| // Since JavaScript has problems with large floats, round |
| // the final value to 5 digits after the decimal point (see #4124) |
| return parseFloat( alignValue.toFixed(5) ); |
| }, |
| |
| _valueMin: function() { |
| return this.options.min; |
| }, |
| |
| _valueMax: function() { |
| return this.options.max; |
| }, |
| |
| _refreshValue: function() { |
| var oRange = this.options.range, |
| o = this.options, |
| self = this, |
| animate = ( !this._animateOff ) ? o.animate : false, |
| valPercent, |
| _set = {}, |
| lastValPercent, |
| value, |
| valueMin, |
| valueMax; |
| |
| if ( this.options.values && this.options.values.length ) { |
| this.handles.each(function( i, j ) { |
| valPercent = ( self.values(i) - self._valueMin() ) / ( self._valueMax() - self._valueMin() ) * 100; |
| _set[ self.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%"; |
| $( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate ); |
| if ( self.options.range === true ) { |
| if ( self.orientation === "horizontal" ) { |
| if ( i === 0 ) { |
| self.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { left: valPercent + "%" }, o.animate ); |
| } |
| if ( i === 1 ) { |
| self.range[ animate ? "animate" : "css" ]( { width: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } ); |
| } |
| } else { |
| if ( i === 0 ) { |
| self.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { bottom: ( valPercent ) + "%" }, o.animate ); |
| } |
| if ( i === 1 ) { |
| self.range[ animate ? "animate" : "css" ]( { height: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } ); |
| } |
| } |
| } |
| lastValPercent = valPercent; |
| }); |
| } else { |
| value = this.value(); |
| valueMin = this._valueMin(); |
| valueMax = this._valueMax(); |
| valPercent = ( valueMax !== valueMin ) ? |
| ( value - valueMin ) / ( valueMax - valueMin ) * 100 : |
| 0; |
| _set[ self.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%"; |
| this.handle.stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate ); |
| |
| if ( oRange === "min" && this.orientation === "horizontal" ) { |
| this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { width: valPercent + "%" }, o.animate ); |
| } |
| if ( oRange === "max" && this.orientation === "horizontal" ) { |
| this.range[ animate ? "animate" : "css" ]( { width: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } ); |
| } |
| if ( oRange === "min" && this.orientation === "vertical" ) { |
| this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { height: valPercent + "%" }, o.animate ); |
| } |
| if ( oRange === "max" && this.orientation === "vertical" ) { |
| this.range[ animate ? "animate" : "css" ]( { height: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } ); |
| } |
| } |
| } |
| |
| }); |
| |
| $.extend( $.ui.slider, { |
| version: "1.8.5" |
| }); |
| |
| }(jQuery)); |