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Diffstat (limited to 'wp-includes/js/jquery/ui/slider.js')
| -rw-r--r-- | wp-includes/js/jquery/ui/slider.js | 753 |
1 files changed, 753 insertions, 0 deletions
diff --git a/wp-includes/js/jquery/ui/slider.js b/wp-includes/js/jquery/ui/slider.js new file mode 100644 index 0000000..4eee29d --- /dev/null +++ b/wp-includes/js/jquery/ui/slider.js @@ -0,0 +1,753 @@ +/*! + * jQuery UI Slider 1.13.2 + * 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 ) { + "use strict"; + + if ( typeof define === "function" && define.amd ) { + + // AMD. Register as an anonymous module. + define( [ + "jquery", + "./mouse", + "./core" + ], factory ); + } else { + + // Browser globals + factory( jQuery ); + } +} )( function( $ ) { +"use strict"; + +return $.widget( "ui.slider", $.ui.mouse, { + version: "1.13.2", + 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 ( Array.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 ( Array.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 ( Array.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" ); + } + } + } +} ); + +} ); |