aboutsummaryrefslogtreecommitdiffstats
path: root/ui/core.js
blob: a0931dffad239faa776f4d2dce0765701547b18e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
/*!
 * jQuery UI Core @VERSION
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 */

//>>label: Core
//>>group: UI Core
//>>description: The core of jQuery UI, required for all interactions and widgets.
//>>docs: http://api.jqueryui.com/category/ui-core/
//>>demos: http://jqueryui.com/

( function( factory ) {
	if ( typeof define === "function" && define.amd ) {

		// AMD. Register as an anonymous module.
		define( [
			"jquery",
			"./data",
			"./disable-selection",
			"./focusable",
			"./version"
		], factory );
	} else {

		// Browser globals
		factory( jQuery );
	}
}( function( $ ) {

$.extend( $.ui, {

	keyCode: {
		BACKSPACE: 8,
		COMMA: 188,
		DELETE: 46,
		DOWN: 40,
		END: 35,
		ENTER: 13,
		ESCAPE: 27,
		HOME: 36,
		LEFT: 37,
		PAGE_DOWN: 34,
		PAGE_UP: 33,
		PERIOD: 190,
		RIGHT: 39,
		SPACE: 32,
		TAB: 9,
		UP: 38
	},

	// Internal use only
	safeActiveElement: function( document ) {
		var activeElement;

		// Support: IE 9 only
		// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
		try {
			activeElement = document.activeElement;
		} catch ( error ) {
			activeElement = document.body;
		}

		// Support: IE 9 - 11 only
		// IE may return null instead of an element
		// Interestingly, this only seems to occur when NOT in an iframe
		if ( !activeElement ) {
			activeElement = document.body;
		}

		// Support: IE 11 only
		// IE11 returns a seemingly empty object in some cases when accessing
		// document.activeElement from an <iframe>
		if ( !activeElement.nodeName ) {
			activeElement = document.body;
		}

		return activeElement;
	},

	// Internal use only
	safeBlur: function( element ) {

		// Support: IE9 - 10 only
		// If the <body> is blurred, IE will switch windows, see #9420
		if ( element && element.nodeName.toLowerCase() !== "body" ) {
			$( element ).trigger( "blur" );
		}
	},

	// Internal use only
	escapeSelector: ( function() {
		var selectorEscape = /([!"#$%&'()*+,./:;<=>?@[\]^`{|}~])/g;
		return function( selector ) {
			return selector.replace( selectorEscape, "\\$1" );
		};
	} )()
} );

// plugins
$.fn.extend( {
	scrollParent: function( includeHidden ) {
		var position = this.css( "position" ),
			excludeStaticParent = position === "absolute",
			overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
			scrollParent = this.parents().filter( function() {
				var parent = $( this );
				if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
					return false;
				}
				return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) + parent.css( "overflow-x" ) );
			} ).eq( 0 );

		return position === "fixed" || !scrollParent.length ? $( this[ 0 ].ownerDocument || document ) : scrollParent;
	},

	uniqueId: ( function() {
		var uuid = 0;

		return function() {
			return this.each( function() {
				if ( !this.id ) {
					this.id = "ui-id-" + ( ++uuid );
				}
			} );
		};
	} )(),

	removeUniqueId: function() {
		return this.each( function() {
			if ( /^ui-id-\d+$/.test( this.id ) ) {
				$( this ).removeAttr( "id" );
			}
		} );
	},

	// Support: IE8 Only
	// IE8 does not support the form attribute and when it is supplied. It overwrites the form prop
	// with a string, so we need to find the proper form.
	form: function() {
		return typeof this[ 0 ].form === "string" ? this.closest( "form" ) : $( this[ 0 ].form );
	},

	labels: function() {
		var ancestor, selector, id, labels, ancestors;

		// Check control.labels first
		if ( this[ 0 ].labels && this[ 0 ].labels.length ) {
			return this.pushStack( this[ 0 ].labels );
		}

		// Support: IE <= 11, FF <= 37, Android <= 2.3 only
		// Above browsers do not support control.labels. Everything below is to support them
		// as well as document fragments. control.labels does not work on document fragments
		labels = this.eq( 0 ).parents( "label" );

		// Look for the label based on the id
		id = this.attr( "id" );
		if ( id ) {

			// We don't search against the document in case the element
			// is disconnected from the DOM
			ancestor = this.eq( 0 ).parents().last();

			// Get a full set of top level ancestors
			ancestors = ancestor.add( ancestor.length ? ancestor.siblings() : this.siblings() );

			// Create a selector for the label based on the id
			selector = "label[for='" + $.ui.escapeSelector( id ) + "']";

			labels = labels.add( ancestors.find( selector ).addBack( selector ) );

		}

		// Return whatever we have found for labels
		return this.pushStack( labels );
	}
} );

$.extend( $.expr[ ":" ], {
	tabbable: function( element ) {
		var tabIndex = $.attr( element, "tabindex" ),
			hasTabindex = tabIndex != null;
		return ( !hasTabindex || tabIndex >= 0 ) && $.ui.focusable( element, hasTabindex );
	}
} );

// support: jQuery 1.7 only
// Not a great way to check versions, but since we only support 1.7+ and only
// need to detect <1.8, this is a simple check that should suffice. Checking
// for "1.7." would be a bit safer, but the version string is 1.7, not 1.7.0
// and we'll never reach 1.70.0 (if we do, we certainly won't be supporting
// 1.7 anymore). See #11197 for why we're not using feature detection.
if ( $.fn.jquery.substring( 0, 3 ) === "1.7" ) {

	// Setters for .innerWidth(), .innerHeight(), .outerWidth(), .outerHeight()
	// Unlike jQuery Core 1.8+, these only support numeric values to set the
	// dimensions in pixels
	$.each( [ "Width", "Height" ], function( i, name ) {
		var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
			type = name.toLowerCase(),
			orig = {
				innerWidth: $.fn.innerWidth,
				innerHeight: $.fn.innerHeight,
				outerWidth: $.fn.outerWidth,
				outerHeight: $.fn.outerHeight
			};

		function reduce( elem, size, border, margin ) {
			$.each( side, function() {
				size -= parseFloat( $.css( elem, "padding" + this ) ) || 0;
				if ( border ) {
					size -= parseFloat( $.css( elem, "border" + this + "Width" ) ) || 0;
				}
				if ( margin ) {
					size -= parseFloat( $.css( elem, "margin" + this ) ) || 0;
				}
			} );
			return size;
		}

		$.fn[ "inner" + name ] = function( size ) {
			if ( size === undefined ) {
				return orig[ "inner" + name ].call( this );
			}

			return this.each( function() {
				$( this ).css( type, reduce( this, size ) + "px" );
			} );
		};

		$.fn[ "outer" + name ] = function( size, margin ) {
			if ( typeof size !== "number" ) {
				return orig[ "outer" + name ].call( this, size );
			}

			return this.each( function() {
				$( this ).css( type, reduce( this, size, true, margin ) + "px" );
			} );
		};
	} );

	$.fn.addBack = function( selector ) {
		return this.add( selector == null ?
			this.prevObject : this.prevObject.filter( selector )
		);
	};
}

// deprecated
$.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );

// $.ui.plugin is deprecated. Use $.widget() extensions instead.
$.ui.plugin = {
	add: function( module, option, set ) {
		var i,
			proto = $.ui[ module ].prototype;
		for ( i in set ) {
			proto.plugins[ i ] = proto.plugins[ i ] || [];
			proto.plugins[ i ].push( [ option, set[ i ] ] );
		}
	},
	call: function( instance, name, args, allowDisconnected ) {
		var i,
			set = instance.plugins[ name ];

		if ( !set ) {
			return;
		}

		if ( !allowDisconnected && ( !instance.element[ 0 ].parentNode || instance.element[ 0 ].parentNode.nodeType === 11 ) ) {
			return;
		}

		for ( i = 0; i < set.length; i++ ) {
			if ( instance.options[ set[ i ][ 0 ] ] ) {
				set[ i ][ 1 ].apply( instance.element, args );
			}
		}
	}
};

} ) );