resources/lib/jquery-ui/ui/widgets/slider.js - Code Metrics - yuncms/framework - Measure and Improve Code Quality continuously with Scrutinizer

resources/lib/jquery-ui/ui/widgets/slider.js F
last analyzed 2018-05-22 09:53 UTC

↳ Parent: Project

Complexity

Total Complexity	168
Complexity/F	4.31

Size

Lines of Code	734
Function Count	39

Duplication

Duplicated Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	0
nc	0
dl	0
loc	734
rs	2.1818
c	0
b	0
f	0
wmc	168
mnd	5
bc	117
fnc	39
bpm	3
cpm	4.3076
noi	3

1 Function

Rating	Name	Duplication	Size	Complexity
B	slider.js ➔ ?!?	0	718	1

How to fix Complexity

/*!
 * 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" );
			}
		}
	}
} );

} ) );


1			/*!
2			* jQuery UI Slider 1.12.1
3			* http://jqueryui.com
4			*
5			* Copyright jQuery Foundation and other contributors
6			* Released under the MIT license.
7			* http://jquery.org/license
8			*/
9
10			//>>label: Slider
11			//>>group: Widgets
12			//>>description: Displays a flexible slider with ranges and accessibility via keyboard.
13			//>>docs: http://api.jqueryui.com/slider/
14			//>>demos: http://jqueryui.com/slider/
15			//>>css.structure: ../../themes/base/core.css
16			//>>css.structure: ../../themes/base/slider.css
17			//>>css.theme: ../../themes/base/theme.css
18
19			( function( factory ) {
20			if ( typeof define === "function" && define.amd ) {
21
22			// AMD. Register as an anonymous module.
23			define( [
24			"jquery",
25			"./mouse",
26			"../keycode",
27			"../version",
28			"../widget"
29			], factory );
30			} else {
31
32			// Browser globals
33			factory( jQuery );
34			}
35			}( function( $ ) {
36
37			return $.widget( "ui.slider", $.ui.mouse, {
38			version: "1.12.1",
39			widgetEventPrefix: "slide",
40
41			options: {
42			animate: false,
43			classes: {
44			"ui-slider": "ui-corner-all",
45			"ui-slider-handle": "ui-corner-all",
46
47			// Note: ui-widget-header isn't the most fittingly semantic framework class for this
48			// element, but worked best visually with a variety of themes
49			"ui-slider-range": "ui-corner-all ui-widget-header"
50			},
51			distance: 0,
52			max: 100,
53			min: 0,
54			orientation: "horizontal",
55			range: false,
56			step: 1,
57			value: 0,
58			values: null,
59
60			// Callbacks
61			change: null,
62			slide: null,
63			start: null,
64			stop: null
65			},
66
67			// Number of pages in a slider
68			// (how many times can you page up/down to go through the whole range)
69			numPages: 5,
70
71			_create: function() {
72			this._keySliding = false;
73			this._mouseSliding = false;
74			this._animateOff = true;
75			this._handleIndex = null;
76			this._detectOrientation();
77			this._mouseInit();
78			this._calculateNewMax();
79
80			this._addClass( "ui-slider ui-slider-" + this.orientation,
81			"ui-widget ui-widget-content" );
82
83			this._refresh();
84
85			this._animateOff = false;
86			},
87
88			_refresh: function() {
89			this._createRange();
90			this._createHandles();
91			this._setupEvents();
92			this._refreshValue();
93			},
94
95			_createHandles: function() {
96			var i, handleCount,
97			options = this.options,
98			existingHandles = this.element.find( ".ui-slider-handle" ),
99			handle = "<span tabindex='0'></span>",
100			handles = [];
101
102			handleCount = ( options.values && options.values.length ) \|\| 1;
103
104			if ( existingHandles.length > handleCount ) {
105			existingHandles.slice( handleCount ).remove();
106			existingHandles = existingHandles.slice( 0, handleCount );
107			}
108
109			for ( i = existingHandles.length; i < handleCount; i++ ) {
110			handles.push( handle );
111			}
112
113			this.handles = existingHandles.add( $( handles.join( "" ) ).appendTo( this.element ) );
114
115			this._addClass( this.handles, "ui-slider-handle", "ui-state-default" );
116
117			this.handle = this.handles.eq( 0 );
118
119			this.handles.each( function( i ) {
120			$( this )
121			.data( "ui-slider-handle-index", i )
122			.attr( "tabIndex", 0 );
123			} );
124			},
125
126			_createRange: function() {
127			var options = this.options;
128
129			if ( options.range ) {
130			if ( options.range === true ) {
131			if ( !options.values ) {
132			options.values = [ this._valueMin(), this._valueMin() ];
133			} else if ( options.values.length && options.values.length !== 2 ) {
134			options.values = [ options.values[ 0 ], options.values[ 0 ] ];
135			} else if ( $.isArray( options.values ) ) {
136			options.values = options.values.slice( 0 );
137			}
138			}
139
140			if ( !this.range \|\| !this.range.length ) {
141			this.range = $( "<div>" )
142			.appendTo( this.element );
143
144			this._addClass( this.range, "ui-slider-range" );
145			} else {
146			this._removeClass( this.range, "ui-slider-range-min ui-slider-range-max" );
147
148			// Handle range switching from true to min/max
149			this.range.css( {
150			"left": "",
151			"bottom": ""
152			} );
153			}
154			if ( options.range === "min" \|\| options.range === "max" ) {
155			this._addClass( this.range, "ui-slider-range-" + options.range );
156			}
157			} else {
158			if ( this.range ) {
159			this.range.remove();
160			}
161			this.range = null;
162			}
163			},
164
165			_setupEvents: function() {
166			this._off( this.handles );
167			this._on( this.handles, this._handleEvents );
168			this._hoverable( this.handles );
169			this._focusable( this.handles );
170			},
171
172			_destroy: function() {
173			this.handles.remove();
174			if ( this.range ) {
175			this.range.remove();
176			}
177
178			this._mouseDestroy();
179			},
180
181			_mouseCapture: function( event ) {
182			var position, normValue, distance, closestHandle, index, allowed, offset, mouseOverHandle,
183			that = this,
184			o = this.options;
185
186			if ( o.disabled ) {
187			return false;
188			}
189
190			this.elementSize = {
191			width: this.element.outerWidth(),
192			height: this.element.outerHeight()
193			};
194			this.elementOffset = this.element.offset();
195
196			position = { x: event.pageX, y: event.pageY };
197			normValue = this._normValueFromMouse( position );
198			distance = this._valueMax() - this._valueMin() + 1;
199			this.handles.each( function( i ) {
200			var thisDistance = Math.abs( normValue - that.values( i ) );
201			if ( ( distance > thisDistance ) \|\|
202			( distance === thisDistance &&
203			( i === that._lastChangedValue \|\| that.values( i ) === o.min ) ) ) {
204			distance = thisDistance;
205			closestHandle = $( this );
206			index = i;
207			}
208			} );
209
210			allowed = this._start( event, index );
211			if ( allowed === false ) {
212			return false;
213			}
214			this._mouseSliding = true;
215
216			this._handleIndex = index;
217
218			this._addClass( closestHandle, null, "ui-state-active" );
219			closestHandle.trigger( "focus" );
220
221			offset = closestHandle.offset();
222			mouseOverHandle = !$( event.target ).parents().addBack().is( ".ui-slider-handle" );
223			this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
224			left: event.pageX - offset.left - ( closestHandle.width() / 2 ),
225			top: event.pageY - offset.top -
226			( closestHandle.height() / 2 ) -
227			( parseInt( closestHandle.css( "borderTopWidth" ), 10 ) \|\| 0 ) -
228			( parseInt( closestHandle.css( "borderBottomWidth" ), 10 ) \|\| 0 ) +
229			( parseInt( closestHandle.css( "marginTop" ), 10 ) \|\| 0 )
230			};
231
232			if ( !this.handles.hasClass( "ui-state-hover" ) ) {
233			this._slide( event, index, normValue );
234			}
235			this._animateOff = true;
236			return true;
237			},
238
239			_mouseStart: function() {
240			return true;
241			},
242
243			_mouseDrag: function( event ) {
244			var position = { x: event.pageX, y: event.pageY },
245			normValue = this._normValueFromMouse( position );
246
247			this._slide( event, this._handleIndex, normValue );
248
249			return false;
250			},
251
252			_mouseStop: function( event ) {
253			this._removeClass( this.handles, null, "ui-state-active" );
254			this._mouseSliding = false;
255
256			this._stop( event, this._handleIndex );
257			this._change( event, this._handleIndex );
258
259			this._handleIndex = null;
260			this._clickOffset = null;
261			this._animateOff = false;
262
263			return false;
264			},
265
266			_detectOrientation: function() {
267			this.orientation = ( this.options.orientation === "vertical" ) ? "vertical" : "horizontal";
268			},
269
270			_normValueFromMouse: function( position ) {
271			var pixelTotal,
272			pixelMouse,
273			percentMouse,
274			valueTotal,
275			valueMouse;
276
277			if ( this.orientation === "horizontal" ) {
278			pixelTotal = this.elementSize.width;
279			pixelMouse = position.x - this.elementOffset.left -
280			( this._clickOffset ? this._clickOffset.left : 0 );
281			} else {
282			pixelTotal = this.elementSize.height;
283			pixelMouse = position.y - this.elementOffset.top -
284			( this._clickOffset ? this._clickOffset.top : 0 );
285			}
286
287			percentMouse = ( pixelMouse / pixelTotal );
288			if ( percentMouse > 1 ) {
289			percentMouse = 1;
290			}
291			if ( percentMouse < 0 ) {
292			percentMouse = 0;
293			}
294			if ( this.orientation === "vertical" ) {
295			percentMouse = 1 - percentMouse;
296			}
297
298			valueTotal = this._valueMax() - this._valueMin();
299			valueMouse = this._valueMin() + percentMouse * valueTotal;
300
301			return this._trimAlignValue( valueMouse );
302			},
303
304			_uiHash: function( index, value, values ) {
305			var uiHash = {
306			handle: this.handles[ index ],
307			handleIndex: index,
308			value: value !== undefined ? value : this.value()
309			};
310
311			if ( this._hasMultipleValues() ) {
312			uiHash.value = value !== undefined ? value : this.values( index );
313			uiHash.values = values \|\| this.values();
314			}
315
316			return uiHash;
317			},
318
319			_hasMultipleValues: function() {
320			return this.options.values && this.options.values.length;
321			},
322
323			_start: function( event, index ) {
324			return this._trigger( "start", event, this._uiHash( index ) );
325			},
326
327			_slide: function( event, index, newVal ) {
328			var allowed, otherVal,
329			currentValue = this.value(),
330			newValues = this.values();
331
332			if ( this._hasMultipleValues() ) {
333			otherVal = this.values( index ? 0 : 1 );
334			currentValue = this.values( index );
335
336			if ( this.options.values.length === 2 && this.options.range === true ) {
337			newVal = index === 0 ? Math.min( otherVal, newVal ) : Math.max( otherVal, newVal );
338			}
339
340			newValues[ index ] = newVal;
341			}
342
343			if ( newVal === currentValue ) {
344			return;
345			}
346
347			allowed = this._trigger( "slide", event, this._uiHash( index, newVal, newValues ) );
348
349			// A slide can be canceled by returning false from the slide callback
350			if ( allowed === false ) {
351			return;
352			}
353
354			if ( this._hasMultipleValues() ) {
355			this.values( index, newVal );
356			} else {
357			this.value( newVal );
358			}
359			},
360
361			_stop: function( event, index ) {
362			this._trigger( "stop", event, this._uiHash( index ) );
363			},
364
365			_change: function( event, index ) {
366			if ( !this._keySliding && !this._mouseSliding ) {
367
368			//store the last changed value index for reference when handles overlap
369			this._lastChangedValue = index;
370			this._trigger( "change", event, this._uiHash( index ) );
371			}
372			},
373
374			value: function( newValue ) {
375			if ( arguments.length ) {
376			this.options.value = this._trimAlignValue( newValue );
377			this._refreshValue();
378			this._change( null, 0 );
379			return;
380			}
381
382			return this._value();
383			},
384
385			values: function( index, newValue ) {
386			var vals,
387			newValues,
388			i;
389
390			if ( arguments.length > 1 ) {
391			this.options.values[ index ] = this._trimAlignValue( newValue );
392			this._refreshValue();
393			this._change( null, index );
394			return;
395			}
396
397			if ( arguments.length ) {
398			if ( $.isArray( arguments[ 0 ] ) ) {
399			vals = this.options.values;
400			newValues = arguments[ 0 ];
401			for ( i = 0; i < vals.length; i += 1 ) {
402			vals[ i ] = this._trimAlignValue( newValues[ i ] );
403			this._change( null, i );
404			}
405			this._refreshValue();
406			} else {
407			if ( this._hasMultipleValues() ) {
408			return this._values( index );
409			} else {
410			return this.value();
411			}
412			}
413			} else {
414			return this._values();
415			}
416			},
417
418			_setOption: function( key, value ) {
419			var i,
420			valsLength = 0;
421
422			if ( key === "range" && this.options.range === true ) {
423			if ( value === "min" ) {
424			this.options.value = this._values( 0 );
425			this.options.values = null;
426			} else if ( value === "max" ) {
427			this.options.value = this._values( this.options.values.length - 1 );
428			this.options.values = null;
429			}
430			}
431
432			if ( $.isArray( this.options.values ) ) {
433			valsLength = this.options.values.length;
434			}
435
436			this._super( key, value );
437
438			switch ( key ) {
			0 ignored issues – show Coding Style introduced 2018-04-02 15:19 UTC by Report Bug Copy Issue Report As per coding-style, `switch` statements should have a `default` case. Loading history...
439			case "orientation":
440			this._detectOrientation();
441			this._removeClass( "ui-slider-horizontal ui-slider-vertical" )
442			._addClass( "ui-slider-" + this.orientation );
443			this._refreshValue();
444			if ( this.options.range ) {
445			this._refreshRange( value );
446			}
447
448			// Reset positioning from previous orientation
449			this.handles.css( value === "horizontal" ? "bottom" : "left", "" );
450			break;
451			case "value":
452			this._animateOff = true;
453			this._refreshValue();
454			this._change( null, 0 );
455			this._animateOff = false;
456			break;
457			case "values":
458			this._animateOff = true;
459			this._refreshValue();
460
461			// Start from the last handle to prevent unreachable handles (#9046)
462			for ( i = valsLength - 1; i >= 0; i-- ) {
463			this._change( null, i );
464			}
465			this._animateOff = false;
466			break;
467			case "step":
468			case "min":
469			case "max":
470			this._animateOff = true;
471			this._calculateNewMax();
472			this._refreshValue();
473			this._animateOff = false;
474			break;
475			case "range":
476			this._animateOff = true;
477			this._refresh();
478			this._animateOff = false;
479			break;
480			}
481			},
482
483			_setOptionDisabled: function( value ) {
484			this._super( value );
485
486			this._toggleClass( null, "ui-state-disabled", !!value );
487			},
488
489			//internal value getter
490			// _value() returns value trimmed by min and max, aligned by step
491			_value: function() {
492			var val = this.options.value;
493			val = this._trimAlignValue( val );
494
495			return val;
496			},
497
498			//internal values getter
499			// _values() returns array of values trimmed by min and max, aligned by step
500			// _values( index ) returns single value trimmed by min and max, aligned by step
501			_values: function( index ) {
502			var val,
503			vals,
504			i;
505
506			if ( arguments.length ) {
507			val = this.options.values[ index ];
508			val = this._trimAlignValue( val );
509
510			return val;
511			} else if ( this._hasMultipleValues() ) {
512
513			// .slice() creates a copy of the array
514			// this copy gets trimmed by min and max and then returned
515			vals = this.options.values.slice();
516			for ( i = 0; i < vals.length; i += 1 ) {
517			vals[ i ] = this._trimAlignValue( vals[ i ] );
518			}
519
520			return vals;
521			} else {
522			return [];
523			}
524			},
525
526			// Returns the step-aligned value that val is closest to, between (inclusive) min and max
527			_trimAlignValue: function( val ) {
528			if ( val <= this._valueMin() ) {
529			return this._valueMin();
530			}
531			if ( val >= this._valueMax() ) {
532			return this._valueMax();
533			}
534			var step = ( this.options.step > 0 ) ? this.options.step : 1,
535			valModStep = ( val - this._valueMin() ) % step,
536			alignValue = val - valModStep;
537
538			if ( Math.abs( valModStep ) * 2 >= step ) {
539			alignValue += ( valModStep > 0 ) ? step : ( -step );
540			}
541
542			// Since JavaScript has problems with large floats, round
543			// the final value to 5 digits after the decimal point (see #4124)
544			return parseFloat( alignValue.toFixed( 5 ) );
545			},
546
547			_calculateNewMax: function() {
548			var max = this.options.max,
549			min = this._valueMin(),
550			step = this.options.step,
551			aboveMin = Math.round( ( max - min ) / step ) * step;
552			max = aboveMin + min;
553			if ( max > this.options.max ) {
554
555			//If max is not divisible by step, rounding off may increase its value
556			max -= step;
557			}
558			this.max = parseFloat( max.toFixed( this._precision() ) );
559			},
560
561			_precision: function() {
562			var precision = this._precisionOf( this.options.step );
563			if ( this.options.min !== null ) {
564			precision = Math.max( precision, this._precisionOf( this.options.min ) );
565			}
566			return precision;
567			},
568
569			_precisionOf: function( num ) {
570			var str = num.toString(),
571			decimal = str.indexOf( "." );
572			return decimal === -1 ? 0 : str.length - decimal - 1;
573			},
574
575			_valueMin: function() {
576			return this.options.min;
577			},
578
579			_valueMax: function() {
580			return this.max;
581			},
582
583			_refreshRange: function( orientation ) {
584			if ( orientation === "vertical" ) {
585			this.range.css( { "width": "", "left": "" } );
586			}
587			if ( orientation === "horizontal" ) {
588			this.range.css( { "height": "", "bottom": "" } );
589			}
590			},
591
592			_refreshValue: function() {
593			var lastValPercent, valPercent, value, valueMin, valueMax,
594			oRange = this.options.range,
595			o = this.options,
596			that = this,
597			animate = ( !this._animateOff ) ? o.animate : false,
598			_set = {};
599
600			if ( this._hasMultipleValues() ) {
601			this.handles.each( function( i ) {
602			valPercent = ( that.values( i ) - that._valueMin() ) / ( that._valueMax() -
603			that._valueMin() ) * 100;
604			_set[ that.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
605			$( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
606			if ( that.options.range === true ) {
607			if ( that.orientation === "horizontal" ) {
608			if ( i === 0 ) {
609			that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
610			left: valPercent + "%"
611			}, o.animate );
612			}
613			if ( i === 1 ) {
614			that.range[ animate ? "animate" : "css" ]( {
615			width: ( valPercent - lastValPercent ) + "%"
616			}, {
617			queue: false,
618			duration: o.animate
619			} );
620			}
621			} else {
622			if ( i === 0 ) {
623			that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
624			bottom: ( valPercent ) + "%"
625			}, o.animate );
626			}
627			if ( i === 1 ) {
628			that.range[ animate ? "animate" : "css" ]( {
629			height: ( valPercent - lastValPercent ) + "%"
630			}, {
631			queue: false,
632			duration: o.animate
633			} );
634			}
635			}
636			}
637			lastValPercent = valPercent;
638			} );
639			} else {
640			value = this.value();
641			valueMin = this._valueMin();
642			valueMax = this._valueMax();
643			valPercent = ( valueMax !== valueMin ) ?
644			( value - valueMin ) / ( valueMax - valueMin ) * 100 :
645			0;
646			_set[ this.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
647			this.handle.stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
648
649			if ( oRange === "min" && this.orientation === "horizontal" ) {
650			this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
651			width: valPercent + "%"
652			}, o.animate );
653			}
654			if ( oRange === "max" && this.orientation === "horizontal" ) {
655			this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
656			width: ( 100 - valPercent ) + "%"
657			}, o.animate );
658			}
659			if ( oRange === "min" && this.orientation === "vertical" ) {
660			this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
661			height: valPercent + "%"
662			}, o.animate );
663			}
664			if ( oRange === "max" && this.orientation === "vertical" ) {
665			this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( {
666			height: ( 100 - valPercent ) + "%"
667			}, o.animate );
668			}
669			}
670			},
671
672			_handleEvents: {
673			keydown: function( event ) {
674			var allowed, curVal, newVal, step,
675			index = $( event.target ).data( "ui-slider-handle-index" );
676
677			switch ( event.keyCode ) {
			0 ignored issues – show Coding Style introduced 2018-04-02 15:19 UTC by Report Bug Copy Issue Report As per coding-style, `switch` statements should have a `default` case. Loading history...
678			case $.ui.keyCode.HOME:
679			case $.ui.keyCode.END:
680			case $.ui.keyCode.PAGE_UP:
681			case $.ui.keyCode.PAGE_DOWN:
682			case $.ui.keyCode.UP:
683			case $.ui.keyCode.RIGHT:
684			case $.ui.keyCode.DOWN:
685			case $.ui.keyCode.LEFT:
686			event.preventDefault();
687			if ( !this._keySliding ) {
688			this._keySliding = true;
689			this._addClass( $( event.target ), null, "ui-state-active" );
690			allowed = this._start( event, index );
691			if ( allowed === false ) {
692			return;
693			}
694			}
695			break;
696			}
697
698			step = this.options.step;
699			if ( this._hasMultipleValues() ) {
700			curVal = newVal = this.values( index );
701			} else {
702			curVal = newVal = this.value();
703			}
704
705			switch ( event.keyCode ) {
			0 ignored issues – show Coding Style introduced 2018-04-02 15:19 UTC by Report Bug Copy Issue Report As per coding-style, `switch` statements should have a `default` case. Loading history...
706			case $.ui.keyCode.HOME:
707			newVal = this._valueMin();
708			break;
709			case $.ui.keyCode.END:
710			newVal = this._valueMax();
711			break;
712			case $.ui.keyCode.PAGE_UP:
713			newVal = this._trimAlignValue(
714			curVal + ( ( this._valueMax() - this._valueMin() ) / this.numPages )
715			);
716			break;
717			case $.ui.keyCode.PAGE_DOWN:
718			newVal = this._trimAlignValue(
719			curVal - ( ( this._valueMax() - this._valueMin() ) / this.numPages ) );
720			break;
721			case $.ui.keyCode.UP:
722			case $.ui.keyCode.RIGHT:
723			if ( curVal === this._valueMax() ) {
724			return;
725			}
726			newVal = this._trimAlignValue( curVal + step );
727			break;
728			case $.ui.keyCode.DOWN:
729			case $.ui.keyCode.LEFT:
730			if ( curVal === this._valueMin() ) {
731			return;
732			}
733			newVal = this._trimAlignValue( curVal - step );
734			break;
735			}
736
737			this._slide( event, index, newVal );
738			},
739			keyup: function( event ) {
740			var index = $( event.target ).data( "ui-slider-handle-index" );
741
742			if ( this._keySliding ) {
743			this._keySliding = false;
744			this._stop( event, index );
745			this._change( event, index );
746			this._removeClass( $( event.target ), null, "ui-state-active" );
747			}
748			}
749			}
750			} );
751
752			} ) );
753

yuncms / framework

resources/lib/jquery-ui/ui/widgets/slider.js F last analyzed 2018-05-22 09:53 UTC

Complexity

Size

Duplication

Importance

1 Function

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Complexity

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Filter issues like

resources/lib/jquery-ui/ui/widgets/slider.js F
last analyzed 2018-05-22 09:53 UTC