| /instantMessage/node_modules/jquery-ui/ui/widgets/slider.js |
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| /*! |
| * jQuery UI Slider 1.12.1 |
| * http://jqueryui.com |
| * |
| * Copyright jQuery Foundation and other contributors |
| * Released under the MIT license. |
| * http://jquery.org/license |
| */ |
| |
| //>>label: Slider |
| //>>group: Widgets |
| //>>description: Displays a flexible slider with ranges and accessibility via keyboard. |
| //>>docs: http://api.jqueryui.com/slider/ |
| //>>demos: http://jqueryui.com/slider/ |
| //>>css.structure: ../../themes/base/core.css |
| //>>css.structure: ../../themes/base/slider.css |
| //>>css.theme: ../../themes/base/theme.css |
| |
| ( function( factory ) { |
| if ( typeof define === "function" && define.amd ) { |
| |
| // AMD. Register as an anonymous module. |
| define( [ |
| "jquery", |
| "./mouse", |
| "../keycode", |
| "../version", |
| "../widget" |
| ], factory ); |
| } else { |
| |
| // Browser globals |
| factory( jQuery ); |
| } |
| }( function( $ ) { |
| |
| return $.widget( "ui.slider", $.ui.mouse, { |
| version: "1.12.1", |
| widgetEventPrefix: "slide", |
| |
| options: { |
| animate: false, |
| classes: { |
| "ui-slider": "ui-corner-all", |
| "ui-slider-handle": "ui-corner-all", |
| |
| // Note: ui-widget-header isn't the most fittingly semantic framework class for this |
| // element, but worked best visually with a variety of themes |
| "ui-slider-range": "ui-corner-all ui-widget-header" |
| }, |
| distance: 0, |
| max: 100, |
| min: 0, |
| orientation: "horizontal", |
| range: false, |
| step: 1, |
| value: 0, |
| values: null, |
| |
| // Callbacks |
| change: null, |
| slide: null, |
| start: null, |
| stop: null |
| }, |
| |
| // Number of pages in a slider |
| // (how many times can you page up/down to go through the whole range) |
| numPages: 5, |
| |
| _create: function() { |
| this._keySliding = false; |
| this._mouseSliding = false; |
| this._animateOff = true; |
| this._handleIndex = null; |
| this._detectOrientation(); |
| this._mouseInit(); |
| this._calculateNewMax(); |
| |
| this._addClass( "ui-slider ui-slider-" + this.orientation, |
| "ui-widget ui-widget-content" ); |
| |
| this._refresh(); |
| |
| this._animateOff = false; |
| }, |
| |
| _refresh: function() { |
| this._createRange(); |
| this._createHandles(); |
| this._setupEvents(); |
| this._refreshValue(); |
| }, |
| |
| _createHandles: function() { |
| var i, handleCount, |
| options = this.options, |
| existingHandles = this.element.find( ".ui-slider-handle" ), |
| handle = "<span tabindex='0'></span>", |
| handles = []; |
| |
| handleCount = ( options.values && options.values.length ) || 1; |
| |
| if ( existingHandles.length > handleCount ) { |
| existingHandles.slice( handleCount ).remove(); |
| existingHandles = existingHandles.slice( 0, handleCount ); |
| } |
| |
| for ( i = existingHandles.length; i < handleCount; i++ ) { |
| handles.push( handle ); |
| } |
| |
| this.handles = existingHandles.add( $( handles.join( "" ) ).appendTo( this.element ) ); |
| |
| this._addClass( this.handles, "ui-slider-handle", "ui-state-default" ); |
| |
| this.handle = this.handles.eq( 0 ); |
| |
| this.handles.each( function( i ) { |
| $( this ) |
| .data( "ui-slider-handle-index", i ) |
| .attr( "tabIndex", 0 ); |
| } ); |
| }, |
| |
| _createRange: function() { |
| var options = this.options; |
| |
| if ( options.range ) { |
| if ( options.range === true ) { |
| if ( !options.values ) { |
| options.values = [ this._valueMin(), this._valueMin() ]; |
| } else if ( options.values.length && options.values.length !== 2 ) { |
| options.values = [ options.values[ 0 ], options.values[ 0 ] ]; |
| } else if ( $.isArray( options.values ) ) { |
| options.values = options.values.slice( 0 ); |
| } |
| } |
| |
| if ( !this.range || !this.range.length ) { |
| this.range = $( "<div>" ) |
| .appendTo( this.element ); |
| |
| this._addClass( this.range, "ui-slider-range" ); |
| } else { |
| this._removeClass( this.range, "ui-slider-range-min ui-slider-range-max" ); |
| |
| // Handle range switching from true to min/max |
| this.range.css( { |
| "left": "", |
| "bottom": "" |
| } ); |
| } |
| if ( options.range === "min" || options.range === "max" ) { |
| this._addClass( this.range, "ui-slider-range-" + options.range ); |
| } |
| } else { |
| if ( this.range ) { |
| this.range.remove(); |
| } |
| this.range = null; |
| } |
| }, |
| |
| _setupEvents: function() { |
| this._off( this.handles ); |
| this._on( this.handles, this._handleEvents ); |
| this._hoverable( this.handles ); |
| this._focusable( this.handles ); |
| }, |
| |
| _destroy: function() { |
| this.handles.remove(); |
| if ( this.range ) { |
| this.range.remove(); |
| } |
| |
| this._mouseDestroy(); |
| }, |
| |
| _mouseCapture: function( event ) { |
| var position, normValue, distance, closestHandle, index, allowed, offset, mouseOverHandle, |
| that = this, |
| o = this.options; |
| |
| 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; |
| this.handles.each( function( i ) { |
| var thisDistance = Math.abs( normValue - that.values( i ) ); |
| if ( ( distance > thisDistance ) || |
| ( distance === thisDistance && |
| ( i === that._lastChangedValue || that.values( i ) === o.min ) ) ) { |
| distance = thisDistance; |
| closestHandle = $( this ); |
| index = i; |
| } |
| } ); |
| |
| allowed = this._start( event, index ); |
| if ( allowed === false ) { |
| return false; |
| } |
| this._mouseSliding = true; |
| |
| this._handleIndex = index; |
| |
| this._addClass( closestHandle, null, "ui-state-active" ); |
| closestHandle.trigger( "focus" ); |
| |
| offset = closestHandle.offset(); |
| mouseOverHandle = !$( event.target ).parents().addBack().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 ) |
| }; |
| |
| if ( !this.handles.hasClass( "ui-state-hover" ) ) { |
| this._slide( event, index, normValue ); |
| } |
| this._animateOff = true; |
| return true; |
| }, |
| |
| _mouseStart: function() { |
| 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._removeClass( this.handles, null, "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 ); |
| }, |
| |
| _uiHash: function( index, value, values ) { |
| var uiHash = { |
| handle: this.handles[ index ], |
| handleIndex: index, |
| value: value !== undefined ? value : this.value() |
| }; |
| |
| if ( this._hasMultipleValues() ) { |
| uiHash.value = value !== undefined ? value : this.values( index ); |
| uiHash.values = values || this.values(); |
| } |
| |
| return uiHash; |
| }, |
| |
| _hasMultipleValues: function() { |
| return this.options.values && this.options.values.length; |
| }, |
| |
| _start: function( event, index ) { |
| return this._trigger( "start", event, this._uiHash( index ) ); |
| }, |
| |
| _slide: function( event, index, newVal ) { |
| var allowed, otherVal, |
| currentValue = this.value(), |
| newValues = this.values(); |
| |
| if ( this._hasMultipleValues() ) { |
| otherVal = this.values( index ? 0 : 1 ); |
| currentValue = this.values( index ); |
| |
| if ( this.options.values.length === 2 && this.options.range === true ) { |
| newVal = index === 0 ? Math.min( otherVal, newVal ) : Math.max( otherVal, newVal ); |
| } |
| |
| newValues[ index ] = newVal; |
| } |
| |
| if ( newVal === currentValue ) { |
| return; |
| } |
| |
| allowed = this._trigger( "slide", event, this._uiHash( index, newVal, newValues ) ); |
| |
| // A slide can be canceled by returning false from the slide callback |
| if ( allowed === false ) { |
| return; |
| } |
| |
| if ( this._hasMultipleValues() ) { |
| this.values( index, newVal ); |
| } else { |
| this.value( newVal ); |
| } |
| }, |
| |
| _stop: function( event, index ) { |
| this._trigger( "stop", event, this._uiHash( index ) ); |
| }, |
| |
| _change: function( event, index ) { |
| if ( !this._keySliding && !this._mouseSliding ) { |
| |
| //store the last changed value index for reference when handles overlap |
| this._lastChangedValue = index; |
| this._trigger( "change", event, this._uiHash( index ) ); |
| } |
| }, |
| |
| value: function( newValue ) { |
| if ( arguments.length ) { |
| this.options.value = this._trimAlignValue( newValue ); |
| this._refreshValue(); |
| this._change( null, 0 ); |
| return; |
| } |
| |
| 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 ); |
| return; |
| } |
| |
| 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._hasMultipleValues() ) { |
| return this._values( index ); |
| } else { |
| return this.value(); |
| } |
| } |
| } else { |
| return this._values(); |
| } |
| }, |
| |
| _setOption: function( key, value ) { |
| var i, |
| valsLength = 0; |
| |
| if ( key === "range" && this.options.range === true ) { |
| if ( value === "min" ) { |
| this.options.value = this._values( 0 ); |
| this.options.values = null; |
| } else if ( value === "max" ) { |
| this.options.value = this._values( this.options.values.length - 1 ); |
| this.options.values = null; |
| } |
| } |
| |
| if ( $.isArray( this.options.values ) ) { |
| valsLength = this.options.values.length; |
| } |
| |
| this._super( key, value ); |
| |
| switch ( key ) { |
| case "orientation": |
| this._detectOrientation(); |
| this._removeClass( "ui-slider-horizontal ui-slider-vertical" ) |
| ._addClass( "ui-slider-" + this.orientation ); |
| this._refreshValue(); |
| if ( this.options.range ) { |
| this._refreshRange( value ); |
| } |
| |
| // Reset positioning from previous orientation |
| this.handles.css( value === "horizontal" ? "bottom" : "left", "" ); |
| break; |
| case "value": |
| this._animateOff = true; |
| this._refreshValue(); |
| this._change( null, 0 ); |
| this._animateOff = false; |
| break; |
| case "values": |
| this._animateOff = true; |
| this._refreshValue(); |
| |
| // Start from the last handle to prevent unreachable handles (#9046) |
| for ( i = valsLength - 1; i >= 0; i-- ) { |
| this._change( null, i ); |
| } |
| this._animateOff = false; |
| break; |
| case "step": |
| case "min": |
| case "max": |
| this._animateOff = true; |
| this._calculateNewMax(); |
| this._refreshValue(); |
| this._animateOff = false; |
| break; |
| case "range": |
| this._animateOff = true; |
| this._refresh(); |
| this._animateOff = false; |
| break; |
| } |
| }, |
| |
| _setOptionDisabled: function( value ) { |
| this._super( value ); |
| |
| this._toggleClass( null, "ui-state-disabled", !!value ); |
| }, |
| |
| //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 if ( this._hasMultipleValues() ) { |
| |
| // .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; |
| } else { |
| return []; |
| } |
| }, |
| |
| // 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 - this._valueMin() ) % 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 ) ); |
| }, |
| |
| _calculateNewMax: function() { |
| var max = this.options.max, |
| min = this._valueMin(), |
| step = this.options.step, |
| aboveMin = Math.round( ( max - min ) / step ) * step; |
| max = aboveMin + min; |
| if ( max > this.options.max ) { |
| |
| //If max is not divisible by step, rounding off may increase its value |
| max -= step; |
| } |
| this.max = parseFloat( max.toFixed( this._precision() ) ); |
| }, |
| |
| _precision: function() { |
| var precision = this._precisionOf( this.options.step ); |
| if ( this.options.min !== null ) { |
| precision = Math.max( precision, this._precisionOf( this.options.min ) ); |
| } |
| return precision; |
| }, |
| |
| _precisionOf: function( num ) { |
| var str = num.toString(), |
| decimal = str.indexOf( "." ); |
| return decimal === -1 ? 0 : str.length - decimal - 1; |
| }, |
| |
| _valueMin: function() { |
| return this.options.min; |
| }, |
| |
| _valueMax: function() { |
| return this.max; |
| }, |
| |
| _refreshRange: function( orientation ) { |
| if ( orientation === "vertical" ) { |
| this.range.css( { "width": "", "left": "" } ); |
| } |
| if ( orientation === "horizontal" ) { |
| this.range.css( { "height": "", "bottom": "" } ); |
| } |
| }, |
| |
| _refreshValue: function() { |
| var lastValPercent, valPercent, value, valueMin, valueMax, |
| oRange = this.options.range, |
| o = this.options, |
| that = this, |
| animate = ( !this._animateOff ) ? o.animate : false, |
| _set = {}; |
| |
| if ( this._hasMultipleValues() ) { |
| this.handles.each( function( i ) { |
| valPercent = ( that.values( i ) - that._valueMin() ) / ( that._valueMax() - |
| that._valueMin() ) * 100; |
| _set[ that.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%"; |
| $( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate ); |
| if ( that.options.range === true ) { |
| if ( that.orientation === "horizontal" ) { |
| if ( i === 0 ) { |
| that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { |
| left: valPercent + "%" |
| }, o.animate ); |
| } |
| if ( i === 1 ) { |
| that.range[ animate ? "animate" : "css" ]( { |
| width: ( valPercent - lastValPercent ) + "%" |
| }, { |
| queue: false, |
| duration: o.animate |
| } ); |
| } |
| } else { |
| if ( i === 0 ) { |
| that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { |
| bottom: ( valPercent ) + "%" |
| }, o.animate ); |
| } |
| if ( i === 1 ) { |
| that.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[ this.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.stop( 1, 1 )[ animate ? "animate" : "css" ]( { |
| width: ( 100 - valPercent ) + "%" |
| }, 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.stop( 1, 1 )[ animate ? "animate" : "css" ]( { |
| height: ( 100 - valPercent ) + "%" |
| }, o.animate ); |
| } |
| } |
| }, |
| |
| _handleEvents: { |
| keydown: function( event ) { |
| var allowed, curVal, newVal, step, |
| index = $( event.target ).data( "ui-slider-handle-index" ); |
| |
| 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: |
| event.preventDefault(); |
| if ( !this._keySliding ) { |
| this._keySliding = true; |
| this._addClass( $( event.target ), null, "ui-state-active" ); |
| allowed = this._start( event, index ); |
| if ( allowed === false ) { |
| return; |
| } |
| } |
| break; |
| } |
| |
| step = this.options.step; |
| if ( this._hasMultipleValues() ) { |
| curVal = newVal = this.values( index ); |
| } else { |
| curVal = newVal = this.value(); |
| } |
| |
| switch ( event.keyCode ) { |
| case $.ui.keyCode.HOME: |
| newVal = this._valueMin(); |
| break; |
| case $.ui.keyCode.END: |
| newVal = this._valueMax(); |
| break; |
| case $.ui.keyCode.PAGE_UP: |
| newVal = this._trimAlignValue( |
| curVal + ( ( this._valueMax() - this._valueMin() ) / this.numPages ) |
| ); |
| break; |
| case $.ui.keyCode.PAGE_DOWN: |
| newVal = this._trimAlignValue( |
| curVal - ( ( this._valueMax() - this._valueMin() ) / this.numPages ) ); |
| break; |
| case $.ui.keyCode.UP: |
| case $.ui.keyCode.RIGHT: |
| if ( curVal === this._valueMax() ) { |
| return; |
| } |
| newVal = this._trimAlignValue( curVal + step ); |
| break; |
| case $.ui.keyCode.DOWN: |
| case $.ui.keyCode.LEFT: |
| if ( curVal === this._valueMin() ) { |
| return; |
| } |
| newVal = this._trimAlignValue( curVal - step ); |
| break; |
| } |
| |
| this._slide( event, index, newVal ); |
| }, |
| keyup: function( event ) { |
| var index = $( event.target ).data( "ui-slider-handle-index" ); |
| |
| if ( this._keySliding ) { |
| this._keySliding = false; |
| this._stop( event, index ); |
| this._change( event, index ); |
| this._removeClass( $( event.target ), null, "ui-state-active" ); |
| } |
| } |
| } |
| } ); |
| |
| } ) ); |
