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(function( $, undefined ) {
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var numPages = 5;
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$.widget( "ui.slider", $.ui.mouse, {
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version: "1.10.2",
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widgetEventPrefix: "slide",
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options: {
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animate: false,
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distance: 0,
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max: 100,
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min: 0,
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orientation: "horizontal",
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range: false,
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step: 1,
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value: 0,
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values: null,
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change: null,
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slide: null,
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start: null,
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stop: null
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},
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_create: function() {
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this._keySliding = false;
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this._mouseSliding = false;
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this._animateOff = true;
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this._handleIndex = null;
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this._detectOrientation();
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this._mouseInit();
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this.element
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.addClass( "ui-slider" +
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" ui-slider-" + this.orientation +
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" ui-widget" +
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" ui-widget-content" +
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" ui-corner-all");
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this._refresh();
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this._setOption( "disabled", this.options.disabled );
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this._animateOff = false;
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},
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_refresh: function() {
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this._createRange();
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this._createHandles();
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this._setupEvents();
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this._refreshValue();
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},
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_createHandles: function() {
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var i, handleCount,
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options = this.options,
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existingHandles = this.element.find( ".ui-slider-handle" ).addClass( "ui-state-default ui-corner-all" ),
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handle = "<a class='ui-slider-handle ui-state-default ui-corner-all' href='#'></a>",
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handles = [];
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handleCount = ( options.values && options.values.length ) || 1;
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if ( existingHandles.length > handleCount ) {
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existingHandles.slice( handleCount ).remove();
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existingHandles = existingHandles.slice( 0, handleCount );
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}
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for ( i = existingHandles.length; i < handleCount; i++ ) {
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handles.push( handle );
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}
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this.handles = existingHandles.add( $( handles.join( "" ) ).appendTo( this.element ) );
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this.handle = this.handles.eq( 0 );
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this.handles.each(function( i ) {
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$( this ).data( "ui-slider-handle-index", i );
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});
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},
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_createRange: function() {
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var options = this.options,
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classes = "";
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if ( options.range ) {
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if ( options.range === true ) {
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if ( !options.values ) {
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options.values = [ this._valueMin(), this._valueMin() ];
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} else if ( options.values.length && options.values.length !== 2 ) {
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options.values = [ options.values[0], options.values[0] ];
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} else if ( $.isArray( options.values ) ) {
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options.values = options.values.slice(0);
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}
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}
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if ( !this.range || !this.range.length ) {
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this.range = $( "<div></div>" )
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.appendTo( this.element );
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classes = "ui-slider-range" +
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" ui-widget-header ui-corner-all";
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} else {
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this.range.removeClass( "ui-slider-range-min ui-slider-range-max" )
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.css({
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"left": "",
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"bottom": ""
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});
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}
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this.range.addClass( classes +
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( ( options.range === "min" || options.range === "max" ) ? " ui-slider-range-" + options.range : "" ) );
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} else {
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this.range = $([]);
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}
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},
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_setupEvents: function() {
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var elements = this.handles.add( this.range ).filter( "a" );
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this._off( elements );
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this._on( elements, this._handleEvents );
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this._hoverable( elements );
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this._focusable( elements );
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},
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_destroy: function() {
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this.handles.remove();
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this.range.remove();
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this.element
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.removeClass( "ui-slider" +
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" ui-slider-horizontal" +
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" ui-slider-vertical" +
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" ui-widget" +
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" ui-widget-content" +
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" ui-corner-all" );
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this._mouseDestroy();
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},
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_mouseCapture: function( event ) {
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var position, normValue, distance, closestHandle, index, allowed, offset, mouseOverHandle,
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that = this,
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o = this.options;
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if ( o.disabled ) {
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return false;
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}
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this.elementSize = {
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width: this.element.outerWidth(),
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height: this.element.outerHeight()
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};
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this.elementOffset = this.element.offset();
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position = { x: event.pageX, y: event.pageY };
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normValue = this._normValueFromMouse( position );
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distance = this._valueMax() - this._valueMin() + 1;
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this.handles.each(function( i ) {
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var thisDistance = Math.abs( normValue - that.values(i) );
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if (( distance > thisDistance ) ||
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( distance === thisDistance &&
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(i === that._lastChangedValue || that.values(i) === o.min ))) {
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distance = thisDistance;
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closestHandle = $( this );
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index = i;
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}
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});
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allowed = this._start( event, index );
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if ( allowed === false ) {
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return false;
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}
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this._mouseSliding = true;
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this._handleIndex = index;
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closestHandle
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.addClass( "ui-state-active" )
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.focus();
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offset = closestHandle.offset();
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mouseOverHandle = !$( event.target ).parents().addBack().is( ".ui-slider-handle" );
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this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
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left: event.pageX - offset.left - ( closestHandle.width() / 2 ),
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top: event.pageY - offset.top -
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( closestHandle.height() / 2 ) -
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( parseInt( closestHandle.css("borderTopWidth"), 10 ) || 0 ) -
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( parseInt( closestHandle.css("borderBottomWidth"), 10 ) || 0) +
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( parseInt( closestHandle.css("marginTop"), 10 ) || 0)
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};
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if ( !this.handles.hasClass( "ui-state-hover" ) ) {
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this._slide( event, index, normValue );
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}
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this._animateOff = true;
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return true;
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},
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_mouseStart: function() {
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return true;
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},
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_mouseDrag: function( event ) {
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var position = { x: event.pageX, y: event.pageY },
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normValue = this._normValueFromMouse( position );
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this._slide( event, this._handleIndex, normValue );
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return false;
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},
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_mouseStop: function( event ) {
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this.handles.removeClass( "ui-state-active" );
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this._mouseSliding = false;
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this._stop( event, this._handleIndex );
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this._change( event, this._handleIndex );
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this._handleIndex = null;
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this._clickOffset = null;
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this._animateOff = false;
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return false;
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},
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_detectOrientation: function() {
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this.orientation = ( this.options.orientation === "vertical" ) ? "vertical" : "horizontal";
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},
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250
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_normValueFromMouse: function( position ) {
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252
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var pixelTotal,
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253
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pixelMouse,
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254
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percentMouse,
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255
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valueTotal,
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256
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valueMouse;
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257
|
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258
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if ( this.orientation === "horizontal" ) {
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259
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pixelTotal = this.elementSize.width;
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260
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pixelMouse = position.x - this.elementOffset.left - ( this._clickOffset ? this._clickOffset.left : 0 );
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261
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} else {
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262
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pixelTotal = this.elementSize.height;
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263
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pixelMouse = position.y - this.elementOffset.top - ( this._clickOffset ? this._clickOffset.top : 0 );
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264
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}
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265
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266
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percentMouse = ( pixelMouse / pixelTotal );
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267
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if ( percentMouse > 1 ) {
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268
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percentMouse = 1;
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269
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}
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270
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if ( percentMouse < 0 ) {
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271
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percentMouse = 0;
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272
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}
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273
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if ( this.orientation === "vertical" ) {
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274
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percentMouse = 1 - percentMouse;
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275
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}
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276
|
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277
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valueTotal = this._valueMax() - this._valueMin();
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278
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valueMouse = this._valueMin() + percentMouse * valueTotal;
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279
|
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280
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return this._trimAlignValue( valueMouse );
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281
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},
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282
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283
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_start: function( event, index ) {
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284
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var uiHash = {
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|
285
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handle: this.handles[ index ],
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286
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value: this.value()
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287
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};
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288
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if ( this.options.values && this.options.values.length ) {
|
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289
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uiHash.value = this.values( index );
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|
290
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uiHash.values = this.values();
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291
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}
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292
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return this._trigger( "start", event, uiHash );
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293
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},
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294
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295
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_slide: function( event, index, newVal ) {
|
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296
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var otherVal,
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|
297
|
newValues,
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298
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allowed;
|
|
299
|
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300
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if ( this.options.values && this.options.values.length ) {
|
|
301
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otherVal = this.values( index ? 0 : 1 );
|
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302
|
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303
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if ( ( this.options.values.length === 2 && this.options.range === true ) &&
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304
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( ( index === 0 && newVal > otherVal) || ( index === 1 && newVal < otherVal ) )
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305
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) {
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306
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newVal = otherVal;
|
|
307
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}
|
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308
|
|
|
309
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if ( newVal !== this.values( index ) ) {
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310
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newValues = this.values();
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311
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newValues[ index ] = newVal;
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312
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313
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allowed = this._trigger( "slide", event, {
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314
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handle: this.handles[ index ],
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315
|
value: newVal,
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316
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values: newValues
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317
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} );
|
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318
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otherVal = this.values( index ? 0 : 1 );
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|
319
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if ( allowed !== false ) {
|
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320
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this.values( index, newVal, true );
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321
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}
|
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322
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}
|
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323
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} else {
|
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324
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if ( newVal !== this.value() ) {
|
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325
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326
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allowed = this._trigger( "slide", event, {
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327
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handle: this.handles[ index ],
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328
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value: newVal
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|
329
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} );
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330
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if ( allowed !== false ) {
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331
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this.value( newVal );
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|
332
|
}
|
|
333
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}
|
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334
|
}
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335
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},
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336
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337
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_stop: function( event, index ) {
|
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338
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var uiHash = {
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339
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handle: this.handles[ index ],
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340
|
value: this.value()
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341
|
};
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342
|
if ( this.options.values && this.options.values.length ) {
|
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343
|
uiHash.value = this.values( index );
|
|
344
|
uiHash.values = this.values();
|
|
345
|
}
|
|
346
|
|
|
347
|
this._trigger( "stop", event, uiHash );
|
|
348
|
},
|
|
349
|
|
|
350
|
_change: function( event, index ) {
|
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351
|
if ( !this._keySliding && !this._mouseSliding ) {
|
|
352
|
var uiHash = {
|
|
353
|
handle: this.handles[ index ],
|
|
354
|
value: this.value()
|
|
355
|
};
|
|
356
|
if ( this.options.values && this.options.values.length ) {
|
|
357
|
uiHash.value = this.values( index );
|
|
358
|
uiHash.values = this.values();
|
|
359
|
}
|
|
360
|
|
|
361
|
|
|
362
|
this._lastChangedValue = index;
|
|
363
|
|
|
364
|
this._trigger( "change", event, uiHash );
|
|
365
|
}
|
|
366
|
},
|
|
367
|
|
|
368
|
value: function( newValue ) {
|
|
369
|
if ( arguments.length ) {
|
|
370
|
this.options.value = this._trimAlignValue( newValue );
|
|
371
|
this._refreshValue();
|
|
372
|
this._change( null, 0 );
|
|
373
|
return;
|
|
374
|
}
|
|
375
|
|
|
376
|
return this._value();
|
|
377
|
},
|
|
378
|
|
|
379
|
values: function( index, newValue ) {
|
|
380
|
var vals,
|
|
381
|
newValues,
|
|
382
|
i;
|
|
383
|
|
|
384
|
if ( arguments.length > 1 ) {
|
|
385
|
this.options.values[ index ] = this._trimAlignValue( newValue );
|
|
386
|
this._refreshValue();
|
|
387
|
this._change( null, index );
|
|
388
|
return;
|
|
389
|
}
|
|
390
|
|
|
391
|
if ( arguments.length ) {
|
|
392
|
if ( $.isArray( arguments[ 0 ] ) ) {
|
|
393
|
vals = this.options.values;
|
|
394
|
newValues = arguments[ 0 ];
|
|
395
|
for ( i = 0; i < vals.length; i += 1 ) {
|
|
396
|
vals[ i ] = this._trimAlignValue( newValues[ i ] );
|
|
397
|
this._change( null, i );
|
|
398
|
}
|
|
399
|
this._refreshValue();
|
|
400
|
} else {
|
|
401
|
if ( this.options.values && this.options.values.length ) {
|
|
402
|
return this._values( index );
|
|
403
|
} else {
|
|
404
|
return this.value();
|
|
405
|
}
|
|
406
|
}
|
|
407
|
} else {
|
|
408
|
return this._values();
|
|
409
|
}
|
|
410
|
},
|
|
411
|
|
|
412
|
_setOption: function( key, value ) {
|
|
413
|
var i,
|
|
414
|
valsLength = 0;
|
|
415
|
|
|
416
|
if ( key === "range" && this.options.range === true ) {
|
|
417
|
if ( value === "min" ) {
|
|
418
|
this.options.value = this._values( 0 );
|
|
419
|
this.options.values = null;
|
|
420
|
} else if ( value === "max" ) {
|
|
421
|
this.options.value = this._values( this.options.values.length-1 );
|
|
422
|
this.options.values = null;
|
|
423
|
}
|
|
424
|
}
|
|
425
|
|
|
426
|
if ( $.isArray( this.options.values ) ) {
|
|
427
|
valsLength = this.options.values.length;
|
|
428
|
}
|
|
429
|
|
|
430
|
$.Widget.prototype._setOption.apply( this, arguments );
|
|
431
|
|
|
432
|
switch ( key ) {
|
|
433
|
case "orientation":
|
|
434
|
this._detectOrientation();
|
|
435
|
this.element
|
|
436
|
.removeClass( "ui-slider-horizontal ui-slider-vertical" )
|
|
437
|
.addClass( "ui-slider-" + this.orientation );
|
|
438
|
this._refreshValue();
|
|
439
|
break;
|
|
440
|
case "value":
|
|
441
|
this._animateOff = true;
|
|
442
|
this._refreshValue();
|
|
443
|
this._change( null, 0 );
|
|
444
|
this._animateOff = false;
|
|
445
|
break;
|
|
446
|
case "values":
|
|
447
|
this._animateOff = true;
|
|
448
|
this._refreshValue();
|
|
449
|
for ( i = 0; i < valsLength; i += 1 ) {
|
|
450
|
this._change( null, i );
|
|
451
|
}
|
|
452
|
this._animateOff = false;
|
|
453
|
break;
|
|
454
|
case "min":
|
|
455
|
case "max":
|
|
456
|
this._animateOff = true;
|
|
457
|
this._refreshValue();
|
|
458
|
this._animateOff = false;
|
|
459
|
break;
|
|
460
|
case "range":
|
|
461
|
this._animateOff = true;
|
|
462
|
this._refresh();
|
|
463
|
this._animateOff = false;
|
|
464
|
break;
|
|
465
|
}
|
|
466
|
},
|
|
467
|
|
|
468
|
|
|
469
|
|
|
470
|
_value: function() {
|
|
471
|
var val = this.options.value;
|
|
472
|
val = this._trimAlignValue( val );
|
|
473
|
|
|
474
|
return val;
|
|
475
|
},
|
|
476
|
|
|
477
|
|
|
478
|
|
|
479
|
|
|
480
|
_values: function( index ) {
|
|
481
|
var val,
|
|
482
|
vals,
|
|
483
|
i;
|
|
484
|
|
|
485
|
if ( arguments.length ) {
|
|
486
|
val = this.options.values[ index ];
|
|
487
|
val = this._trimAlignValue( val );
|
|
488
|
|
|
489
|
return val;
|
|
490
|
} else if ( this.options.values && this.options.values.length ) {
|
|
491
|
|
|
492
|
|
|
493
|
vals = this.options.values.slice();
|
|
494
|
for ( i = 0; i < vals.length; i+= 1) {
|
|
495
|
vals[ i ] = this._trimAlignValue( vals[ i ] );
|
|
496
|
}
|
|
497
|
|
|
498
|
return vals;
|
|
499
|
} else {
|
|
500
|
return [];
|
|
501
|
}
|
|
502
|
},
|
|
503
|
|
|
504
|
|
|
505
|
_trimAlignValue: function( val ) {
|
|
506
|
if ( val <= this._valueMin() ) {
|
|
507
|
return this._valueMin();
|
|
508
|
}
|
|
509
|
if ( val >= this._valueMax() ) {
|
|
510
|
return this._valueMax();
|
|
511
|
}
|
|
512
|
var step = ( this.options.step > 0 ) ? this.options.step : 1,
|
|
513
|
valModStep = (val - this._valueMin()) % step,
|
|
514
|
alignValue = val - valModStep;
|
|
515
|
|
|
516
|
if ( Math.abs(valModStep) * 2 >= step ) {
|
|
517
|
alignValue += ( valModStep > 0 ) ? step : ( -step );
|
|
518
|
}
|
|
519
|
|
|
520
|
|
|
521
|
|
|
522
|
return parseFloat( alignValue.toFixed(5) );
|
|
523
|
},
|
|
524
|
|
|
525
|
_valueMin: function() {
|
|
526
|
return this.options.min;
|
|
527
|
},
|
|
528
|
|
|
529
|
_valueMax: function() {
|
|
530
|
return this.options.max;
|
|
531
|
},
|
|
532
|
|
|
533
|
_refreshValue: function() {
|
|
534
|
var lastValPercent, valPercent, value, valueMin, valueMax,
|
|
535
|
oRange = this.options.range,
|
|
536
|
o = this.options,
|
|
537
|
that = this,
|
|
538
|
animate = ( !this._animateOff ) ? o.animate : false,
|
|
539
|
_set = {};
|
|
540
|
|
|
541
|
if ( this.options.values && this.options.values.length ) {
|
|
542
|
this.handles.each(function( i ) {
|
|
543
|
valPercent = ( that.values(i) - that._valueMin() ) / ( that._valueMax() - that._valueMin() ) * 100;
|
|
544
|
_set[ that.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
|
|
545
|
$( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
|
|
546
|
if ( that.options.range === true ) {
|
|
547
|
if ( that.orientation === "horizontal" ) {
|
|
548
|
if ( i === 0 ) {
|
|
549
|
that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { left: valPercent + "%" }, o.animate );
|
|
550
|
}
|
|
551
|
if ( i === 1 ) {
|
|
552
|
that.range[ animate ? "animate" : "css" ]( { width: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
|
|
553
|
}
|
|
554
|
} else {
|
|
555
|
if ( i === 0 ) {
|
|
556
|
that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { bottom: ( valPercent ) + "%" }, o.animate );
|
|
557
|
}
|
|
558
|
if ( i === 1 ) {
|
|
559
|
that.range[ animate ? "animate" : "css" ]( { height: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
|
|
560
|
}
|
|
561
|
}
|
|
562
|
}
|
|
563
|
lastValPercent = valPercent;
|
|
564
|
});
|
|
565
|
} else {
|
|
566
|
value = this.value();
|
|
567
|
valueMin = this._valueMin();
|
|
568
|
valueMax = this._valueMax();
|
|
569
|
valPercent = ( valueMax !== valueMin ) ?
|
|
570
|
( value - valueMin ) / ( valueMax - valueMin ) * 100 :
|
|
571
|
0;
|
|
572
|
_set[ this.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
|
|
573
|
this.handle.stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
|
|
574
|
|
|
575
|
if ( oRange === "min" && this.orientation === "horizontal" ) {
|
|
576
|
this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { width: valPercent + "%" }, o.animate );
|
|
577
|
}
|
|
578
|
if ( oRange === "max" && this.orientation === "horizontal" ) {
|
|
579
|
this.range[ animate ? "animate" : "css" ]( { width: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
|
|
580
|
}
|
|
581
|
if ( oRange === "min" && this.orientation === "vertical" ) {
|
|
582
|
this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { height: valPercent + "%" }, o.animate );
|
|
583
|
}
|
|
584
|
if ( oRange === "max" && this.orientation === "vertical" ) {
|
|
585
|
this.range[ animate ? "animate" : "css" ]( { height: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
|
|
586
|
}
|
|
587
|
}
|
|
588
|
},
|
|
589
|
|
|
590
|
_handleEvents: {
|
|
591
|
keydown: function( event ) {
|
|
592
|
|
|
593
|
var allowed, curVal, newVal, step,
|
|
594
|
index = $( event.target ).data( "ui-slider-handle-index" );
|
|
595
|
|
|
596
|
switch ( event.keyCode ) {
|
|
597
|
case $.ui.keyCode.HOME:
|
|
598
|
case $.ui.keyCode.END:
|
|
599
|
case $.ui.keyCode.PAGE_UP:
|
|
600
|
case $.ui.keyCode.PAGE_DOWN:
|
|
601
|
case $.ui.keyCode.UP:
|
|
602
|
case $.ui.keyCode.RIGHT:
|
|
603
|
case $.ui.keyCode.DOWN:
|
|
604
|
case $.ui.keyCode.LEFT:
|
|
605
|
event.preventDefault();
|
|
606
|
if ( !this._keySliding ) {
|
|
607
|
this._keySliding = true;
|
|
608
|
$( event.target ).addClass( "ui-state-active" );
|
|
609
|
allowed = this._start( event, index );
|
|
610
|
if ( allowed === false ) {
|
|
611
|
return;
|
|
612
|
}
|
|
613
|
}
|
|
614
|
break;
|
|
615
|
}
|
|
616
|
|
|
617
|
step = this.options.step;
|
|
618
|
if ( this.options.values && this.options.values.length ) {
|
|
619
|
curVal = newVal = this.values( index );
|
|
620
|
} else {
|
|
621
|
curVal = newVal = this.value();
|
|
622
|
}
|
|
623
|
|
|
624
|
switch ( event.keyCode ) {
|
|
625
|
case $.ui.keyCode.HOME:
|
|
626
|
newVal = this._valueMin();
|
|
627
|
break;
|
|
628
|
case $.ui.keyCode.END:
|
|
629
|
newVal = this._valueMax();
|
|
630
|
break;
|
|
631
|
case $.ui.keyCode.PAGE_UP:
|
|
632
|
newVal = this._trimAlignValue( curVal + ( (this._valueMax() - this._valueMin()) / numPages ) );
|
|
633
|
break;
|
|
634
|
case $.ui.keyCode.PAGE_DOWN:
|
|
635
|
newVal = this._trimAlignValue( curVal - ( (this._valueMax() - this._valueMin()) / numPages ) );
|
|
636
|
break;
|
|
637
|
case $.ui.keyCode.UP:
|
|
638
|
case $.ui.keyCode.RIGHT:
|
|
639
|
if ( curVal === this._valueMax() ) {
|
|
640
|
return;
|
|
641
|
}
|
|
642
|
newVal = this._trimAlignValue( curVal + step );
|
|
643
|
break;
|
|
644
|
case $.ui.keyCode.DOWN:
|
|
645
|
case $.ui.keyCode.LEFT:
|
|
646
|
if ( curVal === this._valueMin() ) {
|
|
647
|
return;
|
|
648
|
}
|
|
649
|
newVal = this._trimAlignValue( curVal - step );
|
|
650
|
break;
|
|
651
|
}
|
|
652
|
|
|
653
|
this._slide( event, index, newVal );
|
|
654
|
},
|
|
655
|
click: function( event ) {
|
|
656
|
event.preventDefault();
|
|
657
|
},
|
|
658
|
keyup: function( event ) {
|
|
659
|
var index = $( event.target ).data( "ui-slider-handle-index" );
|
|
660
|
|
|
661
|
if ( this._keySliding ) {
|
|
662
|
this._keySliding = false;
|
|
663
|
this._stop( event, index );
|
|
664
|
this._change( event, index );
|
|
665
|
$( event.target ).removeClass( "ui-state-active" );
|
|
666
|
}
|
|
667
|
}
|
|
668
|
}
|
|
669
|
|
|
670
|
});
|
|
671
|
|
|
672
|
}(jQuery));
|
