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/*! |
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* jQuery UI Menu 1.10.3 |
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* http://jqueryui.com |
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* |
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* Copyright 2013 jQuery Foundation and other contributors |
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* Released under the MIT license. |
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* http://jquery.org/license |
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* |
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* http://api.jqueryui.com/menu/ |
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* |
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* Depends: |
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* jquery.ui.core.js |
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* jquery.ui.widget.js |
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* jquery.ui.position.js |
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*/ |
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(function( $, undefined ) { |
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|
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$.widget( "ui.menu", { |
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version: "1.10.3", |
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defaultElement: "<ul>", |
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delay: 300, |
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options: { |
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icons: { |
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submenu: "ui-icon-carat-1-e" |
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}, |
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menus: "ul", |
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position: { |
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my: "left top", |
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at: "right top" |
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}, |
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role: "menu", |
32 |
|
33 |
// callbacks |
34 |
blur: null, |
35 |
focus: null, |
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select: null |
37 |
}, |
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|
39 |
_create: function() { |
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this.activeMenu = this.element; |
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// flag used to prevent firing of the click handler |
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// as the event bubbles up through nested menus |
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this.mouseHandled = false; |
44 |
this.element |
45 |
.uniqueId() |
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.addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" ) |
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.toggleClass( "ui-menu-icons", !!this.element.find( ".ui-icon" ).length ) |
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.attr({ |
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role: this.options.role, |
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tabIndex: 0 |
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}) |
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// need to catch all clicks on disabled menu |
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// not possible through _on |
54 |
.bind( "click" + this.eventNamespace, $.proxy(function( event ) { |
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if ( this.options.disabled ) { |
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event.preventDefault(); |
57 |
} |
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}, this )); |
59 |
|
60 |
if ( this.options.disabled ) { |
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this.element |
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.addClass( "ui-state-disabled" ) |
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.attr( "aria-disabled", "true" ); |
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} |
65 |
|
66 |
this._on({ |
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// Prevent focus from sticking to links inside menu after clicking |
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// them (focus should always stay on UL during navigation). |
69 |
"mousedown .ui-menu-item > a": function( event ) { |
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event.preventDefault(); |
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}, |
72 |
"click .ui-state-disabled > a": function( event ) { |
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event.preventDefault(); |
74 |
}, |
75 |
"click .ui-menu-item:has(a)": function( event ) { |
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var target = $( event.target ).closest( ".ui-menu-item" ); |
77 |
if ( !this.mouseHandled && target.not( ".ui-state-disabled" ).length ) { |
78 |
this.mouseHandled = true; |
79 |
|
80 |
this.select( event ); |
81 |
// Open submenu on click |
82 |
if ( target.has( ".ui-menu" ).length ) { |
83 |
this.expand( event ); |
84 |
} else if ( !this.element.is( ":focus" ) ) { |
85 |
// Redirect focus to the menu |
86 |
this.element.trigger( "focus", [ true ] ); |
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|
88 |
// If the active item is on the top level, let it stay active. |
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// Otherwise, blur the active item since it is no longer visible. |
90 |
if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) { |
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clearTimeout( this.timer ); |
92 |
} |
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} |
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} |
95 |
}, |
96 |
"mouseenter .ui-menu-item": function( event ) { |
97 |
var target = $( event.currentTarget ); |
98 |
// Remove ui-state-active class from siblings of the newly focused menu item |
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// to avoid a jump caused by adjacent elements both having a class with a border |
100 |
target.siblings().children( ".ui-state-active" ).removeClass( "ui-state-active" ); |
101 |
this.focus( event, target ); |
102 |
}, |
103 |
mouseleave: "collapseAll", |
104 |
"mouseleave .ui-menu": "collapseAll", |
105 |
focus: function( event, keepActiveItem ) { |
106 |
// If there's already an active item, keep it active |
107 |
// If not, activate the first item |
108 |
var item = this.active || this.element.children( ".ui-menu-item" ).eq( 0 ); |
109 |
|
110 |
if ( !keepActiveItem ) { |
111 |
this.focus( event, item ); |
112 |
} |
113 |
}, |
114 |
blur: function( event ) { |
115 |
this._delay(function() { |
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if ( !$.contains( this.element[0], this.document[0].activeElement ) ) { |
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this.collapseAll( event ); |
118 |
} |
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}); |
120 |
}, |
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keydown: "_keydown" |
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}); |
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|
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this.refresh(); |
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|
126 |
// Clicks outside of a menu collapse any open menus |
127 |
this._on( this.document, { |
128 |
click: function( event ) { |
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if ( !$( event.target ).closest( ".ui-menu" ).length ) { |
130 |
this.collapseAll( event ); |
131 |
} |
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|
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// Reset the mouseHandled flag |
134 |
this.mouseHandled = false; |
135 |
} |
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}); |
137 |
}, |
138 |
|
139 |
_destroy: function() { |
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// Destroy (sub)menus |
141 |
this.element |
142 |
.removeAttr( "aria-activedescendant" ) |
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.find( ".ui-menu" ).addBack() |
144 |
.removeClass( "ui-menu ui-widget ui-widget-content ui-corner-all ui-menu-icons" ) |
145 |
.removeAttr( "role" ) |
146 |
.removeAttr( "tabIndex" ) |
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.removeAttr( "aria-labelledby" ) |
148 |
.removeAttr( "aria-expanded" ) |
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.removeAttr( "aria-hidden" ) |
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.removeAttr( "aria-disabled" ) |
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.removeUniqueId() |
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.show(); |
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|
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// Destroy menu items |
155 |
this.element.find( ".ui-menu-item" ) |
156 |
.removeClass( "ui-menu-item" ) |
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.removeAttr( "role" ) |
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.removeAttr( "aria-disabled" ) |
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.children( "a" ) |
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.removeUniqueId() |
161 |
.removeClass( "ui-corner-all ui-state-hover" ) |
162 |
.removeAttr( "tabIndex" ) |
163 |
.removeAttr( "role" ) |
164 |
.removeAttr( "aria-haspopup" ) |
165 |
.children().each( function() { |
166 |
var elem = $( this ); |
167 |
if ( elem.data( "ui-menu-submenu-carat" ) ) { |
168 |
elem.remove(); |
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} |
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}); |
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|
172 |
// Destroy menu dividers |
173 |
this.element.find( ".ui-menu-divider" ).removeClass( "ui-menu-divider ui-widget-content" ); |
174 |
}, |
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|
176 |
_keydown: function( event ) { |
177 |
/*jshint maxcomplexity:20*/ |
178 |
var match, prev, character, skip, regex, |
179 |
preventDefault = true; |
180 |
|
181 |
function escape( value ) { |
182 |
return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" ); |
183 |
} |
184 |
|
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switch ( event.keyCode ) { |
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case $.ui.keyCode.PAGE_UP: |
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this.previousPage( event ); |
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break; |
189 |
case $.ui.keyCode.PAGE_DOWN: |
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this.nextPage( event ); |
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break; |
192 |
case $.ui.keyCode.HOME: |
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this._move( "first", "first", event ); |
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break; |
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case $.ui.keyCode.END: |
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this._move( "last", "last", event ); |
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break; |
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case $.ui.keyCode.UP: |
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this.previous( event ); |
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break; |
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case $.ui.keyCode.DOWN: |
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this.next( event ); |
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break; |
204 |
case $.ui.keyCode.LEFT: |
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this.collapse( event ); |
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break; |
207 |
case $.ui.keyCode.RIGHT: |
208 |
if ( this.active && !this.active.is( ".ui-state-disabled" ) ) { |
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this.expand( event ); |
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} |
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break; |
212 |
case $.ui.keyCode.ENTER: |
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case $.ui.keyCode.SPACE: |
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this._activate( event ); |
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break; |
216 |
case $.ui.keyCode.ESCAPE: |
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this.collapse( event ); |
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break; |
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default: |
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preventDefault = false; |
221 |
prev = this.previousFilter || ""; |
222 |
character = String.fromCharCode( event.keyCode ); |
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skip = false; |
224 |
|
225 |
clearTimeout( this.filterTimer ); |
226 |
|
227 |
if ( character === prev ) { |
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skip = true; |
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} else { |
230 |
character = prev + character; |
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} |
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|
233 |
regex = new RegExp( "^" + escape( character ), "i" ); |
234 |
match = this.activeMenu.children( ".ui-menu-item" ).filter(function() { |
235 |
return regex.test( $( this ).children( "a" ).text() ); |
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}); |
237 |
match = skip && match.index( this.active.next() ) !== -1 ? |
238 |
this.active.nextAll( ".ui-menu-item" ) : |
239 |
match; |
240 |
|
241 |
// If no matches on the current filter, reset to the last character pressed |
242 |
// to move down the menu to the first item that starts with that character |
243 |
if ( !match.length ) { |
244 |
character = String.fromCharCode( event.keyCode ); |
245 |
regex = new RegExp( "^" + escape( character ), "i" ); |
246 |
match = this.activeMenu.children( ".ui-menu-item" ).filter(function() { |
247 |
return regex.test( $( this ).children( "a" ).text() ); |
248 |
}); |
249 |
} |
250 |
|
251 |
if ( match.length ) { |
252 |
this.focus( event, match ); |
253 |
if ( match.length > 1 ) { |
254 |
this.previousFilter = character; |
255 |
this.filterTimer = this._delay(function() { |
256 |
delete this.previousFilter; |
257 |
}, 1000 ); |
258 |
} else { |
259 |
delete this.previousFilter; |
260 |
} |
261 |
} else { |
262 |
delete this.previousFilter; |
263 |
} |
264 |
} |
265 |
|
266 |
if ( preventDefault ) { |
267 |
event.preventDefault(); |
268 |
} |
269 |
}, |
270 |
|
271 |
_activate: function( event ) { |
272 |
if ( !this.active.is( ".ui-state-disabled" ) ) { |
273 |
if ( this.active.children( "a[aria-haspopup='true']" ).length ) { |
274 |
this.expand( event ); |
275 |
} else { |
276 |
this.select( event ); |
277 |
} |
278 |
} |
279 |
}, |
280 |
|
281 |
refresh: function() { |
282 |
var menus, |
283 |
icon = this.options.icons.submenu, |
284 |
submenus = this.element.find( this.options.menus ); |
285 |
|
286 |
// Initialize nested menus |
287 |
submenus.filter( ":not(.ui-menu)" ) |
288 |
.addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" ) |
289 |
.hide() |
290 |
.attr({ |
291 |
role: this.options.role, |
292 |
"aria-hidden": "true", |
293 |
"aria-expanded": "false" |
294 |
}) |
295 |
.each(function() { |
296 |
var menu = $( this ), |
297 |
item = menu.prev( "a" ), |
298 |
submenuCarat = $( "<span>" ) |
299 |
.addClass( "ui-menu-icon ui-icon " + icon ) |
300 |
.data( "ui-menu-submenu-carat", true ); |
301 |
|
302 |
item |
303 |
.attr( "aria-haspopup", "true" ) |
304 |
.prepend( submenuCarat ); |
305 |
menu.attr( "aria-labelledby", item.attr( "id" ) ); |
306 |
}); |
307 |
|
308 |
menus = submenus.add( this.element ); |
309 |
|
310 |
// Don't refresh list items that are already adapted |
311 |
menus.children( ":not(.ui-menu-item):has(a)" ) |
312 |
.addClass( "ui-menu-item" ) |
313 |
.attr( "role", "presentation" ) |
314 |
.children( "a" ) |
315 |
.uniqueId() |
316 |
.addClass( "ui-corner-all" ) |
317 |
.attr({ |
318 |
tabIndex: -1, |
319 |
role: this._itemRole() |
320 |
}); |
321 |
|
322 |
// Initialize unlinked menu-items containing spaces and/or dashes only as dividers |
323 |
menus.children( ":not(.ui-menu-item)" ).each(function() { |
324 |
var item = $( this ); |
325 |
// hyphen, em dash, en dash |
326 |
if ( !/[^\-\u2014\u2013\s]/.test( item.text() ) ) { |
327 |
item.addClass( "ui-widget-content ui-menu-divider" ); |
328 |
} |
329 |
}); |
330 |
|
331 |
// Add aria-disabled attribute to any disabled menu item |
332 |
menus.children( ".ui-state-disabled" ).attr( "aria-disabled", "true" ); |
333 |
|
334 |
// If the active item has been removed, blur the menu |
335 |
if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) { |
336 |
this.blur(); |
337 |
} |
338 |
}, |
339 |
|
340 |
_itemRole: function() { |
341 |
return { |
342 |
menu: "menuitem", |
343 |
listbox: "option" |
344 |
}[ this.options.role ]; |
345 |
}, |
346 |
|
347 |
_setOption: function( key, value ) { |
348 |
if ( key === "icons" ) { |
349 |
this.element.find( ".ui-menu-icon" ) |
350 |
.removeClass( this.options.icons.submenu ) |
351 |
.addClass( value.submenu ); |
352 |
} |
353 |
this._super( key, value ); |
354 |
}, |
355 |
|
356 |
focus: function( event, item ) { |
357 |
var nested, focused; |
358 |
this.blur( event, event && event.type === "focus" ); |
359 |
|
360 |
this._scrollIntoView( item ); |
361 |
|
362 |
this.active = item.first(); |
363 |
focused = this.active.children( "a" ).addClass( "ui-state-focus" ); |
364 |
// Only update aria-activedescendant if there's a role |
365 |
// otherwise we assume focus is managed elsewhere |
366 |
if ( this.options.role ) { |
367 |
this.element.attr( "aria-activedescendant", focused.attr( "id" ) ); |
368 |
} |
369 |
|
370 |
// Highlight active parent menu item, if any |
371 |
this.active |
372 |
.parent() |
373 |
.closest( ".ui-menu-item" ) |
374 |
.children( "a:first" ) |
375 |
.addClass( "ui-state-active" ); |
376 |
|
377 |
if ( event && event.type === "keydown" ) { |
378 |
this._close(); |
379 |
} else { |
380 |
this.timer = this._delay(function() { |
381 |
this._close(); |
382 |
}, this.delay ); |
383 |
} |
384 |
|
385 |
nested = item.children( ".ui-menu" ); |
386 |
if ( nested.length && ( /^mouse/.test( event.type ) ) ) { |
387 |
this._startOpening(nested); |
388 |
} |
389 |
this.activeMenu = item.parent(); |
390 |
|
391 |
this._trigger( "focus", event, { item: item } ); |
392 |
}, |
393 |
|
394 |
_scrollIntoView: function( item ) { |
395 |
var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight; |
396 |
if ( this._hasScroll() ) { |
397 |
borderTop = parseFloat( $.css( this.activeMenu[0], "borderTopWidth" ) ) || 0; |
398 |
paddingTop = parseFloat( $.css( this.activeMenu[0], "paddingTop" ) ) || 0; |
399 |
offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop; |
400 |
scroll = this.activeMenu.scrollTop(); |
401 |
elementHeight = this.activeMenu.height(); |
402 |
itemHeight = item.height(); |
403 |
|
404 |
if ( offset < 0 ) { |
405 |
this.activeMenu.scrollTop( scroll + offset ); |
406 |
} else if ( offset + itemHeight > elementHeight ) { |
407 |
this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight ); |
408 |
} |
409 |
} |
410 |
}, |
411 |
|
412 |
blur: function( event, fromFocus ) { |
413 |
if ( !fromFocus ) { |
414 |
clearTimeout( this.timer ); |
415 |
} |
416 |
|
417 |
if ( !this.active ) { |
418 |
return; |
419 |
} |
420 |
|
421 |
this.active.children( "a" ).removeClass( "ui-state-focus" ); |
422 |
this.active = null; |
423 |
|
424 |
this._trigger( "blur", event, { item: this.active } ); |
425 |
}, |
426 |
|
427 |
_startOpening: function( submenu ) { |
428 |
clearTimeout( this.timer ); |
429 |
|
430 |
// Don't open if already open fixes a Firefox bug that caused a .5 pixel |
431 |
// shift in the submenu position when mousing over the carat icon |
432 |
if ( submenu.attr( "aria-hidden" ) !== "true" ) { |
433 |
return; |
434 |
} |
435 |
|
436 |
this.timer = this._delay(function() { |
437 |
this._close(); |
438 |
this._open( submenu ); |
439 |
}, this.delay ); |
440 |
}, |
441 |
|
442 |
_open: function( submenu ) { |
443 |
var position = $.extend({ |
444 |
of: this.active |
445 |
}, this.options.position ); |
446 |
|
447 |
clearTimeout( this.timer ); |
448 |
this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) ) |
449 |
.hide() |
450 |
.attr( "aria-hidden", "true" ); |
451 |
|
452 |
submenu |
453 |
.show() |
454 |
.removeAttr( "aria-hidden" ) |
455 |
.attr( "aria-expanded", "true" ) |
456 |
.position( position ); |
457 |
}, |
458 |
|
459 |
collapseAll: function( event, all ) { |
460 |
clearTimeout( this.timer ); |
461 |
this.timer = this._delay(function() { |
462 |
// If we were passed an event, look for the submenu that contains the event |
463 |
var currentMenu = all ? this.element : |
464 |
$( event && event.target ).closest( this.element.find( ".ui-menu" ) ); |
465 |
|
466 |
// If we found no valid submenu ancestor, use the main menu to close all sub menus anyway |
467 |
if ( !currentMenu.length ) { |
468 |
currentMenu = this.element; |
469 |
} |
470 |
|
471 |
this._close( currentMenu ); |
472 |
|
473 |
this.blur( event ); |
474 |
this.activeMenu = currentMenu; |
475 |
}, this.delay ); |
476 |
}, |
477 |
|
478 |
// With no arguments, closes the currently active menu - if nothing is active |
479 |
// it closes all menus. If passed an argument, it will search for menus BELOW |
480 |
_close: function( startMenu ) { |
481 |
if ( !startMenu ) { |
482 |
startMenu = this.active ? this.active.parent() : this.element; |
483 |
} |
484 |
|
485 |
startMenu |
486 |
.find( ".ui-menu" ) |
487 |
.hide() |
488 |
.attr( "aria-hidden", "true" ) |
489 |
.attr( "aria-expanded", "false" ) |
490 |
.end() |
491 |
.find( "a.ui-state-active" ) |
492 |
.removeClass( "ui-state-active" ); |
493 |
}, |
494 |
|
495 |
collapse: function( event ) { |
496 |
var newItem = this.active && |
497 |
this.active.parent().closest( ".ui-menu-item", this.element ); |
498 |
if ( newItem && newItem.length ) { |
499 |
this._close(); |
500 |
this.focus( event, newItem ); |
501 |
} |
502 |
}, |
503 |
|
504 |
expand: function( event ) { |
505 |
var newItem = this.active && |
506 |
this.active |
507 |
.children( ".ui-menu " ) |
508 |
.children( ".ui-menu-item" ) |
509 |
.first(); |
510 |
|
511 |
if ( newItem && newItem.length ) { |
512 |
this._open( newItem.parent() ); |
513 |
|
514 |
// Delay so Firefox will not hide activedescendant change in expanding submenu from AT |
515 |
this._delay(function() { |
516 |
this.focus( event, newItem ); |
517 |
}); |
518 |
} |
519 |
}, |
520 |
|
521 |
next: function( event ) { |
522 |
this._move( "next", "first", event ); |
523 |
}, |
524 |
|
525 |
previous: function( event ) { |
526 |
this._move( "prev", "last", event ); |
527 |
}, |
528 |
|
529 |
isFirstItem: function() { |
530 |
return this.active && !this.active.prevAll( ".ui-menu-item" ).length; |
531 |
}, |
532 |
|
533 |
isLastItem: function() { |
534 |
return this.active && !this.active.nextAll( ".ui-menu-item" ).length; |
535 |
}, |
536 |
|
537 |
_move: function( direction, filter, event ) { |
538 |
var next; |
539 |
if ( this.active ) { |
540 |
if ( direction === "first" || direction === "last" ) { |
541 |
next = this.active |
542 |
[ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" ) |
543 |
.eq( -1 ); |
544 |
} else { |
545 |
next = this.active |
546 |
[ direction + "All" ]( ".ui-menu-item" ) |
547 |
.eq( 0 ); |
548 |
} |
549 |
} |
550 |
if ( !next || !next.length || !this.active ) { |
551 |
next = this.activeMenu.children( ".ui-menu-item" )[ filter ](); |
552 |
} |
553 |
|
554 |
this.focus( event, next ); |
555 |
}, |
556 |
|
557 |
nextPage: function( event ) { |
558 |
var item, base, height; |
559 |
|
560 |
if ( !this.active ) { |
561 |
this.next( event ); |
562 |
return; |
563 |
} |
564 |
if ( this.isLastItem() ) { |
565 |
return; |
566 |
} |
567 |
if ( this._hasScroll() ) { |
568 |
base = this.active.offset().top; |
569 |
height = this.element.height(); |
570 |
this.active.nextAll( ".ui-menu-item" ).each(function() { |
571 |
item = $( this ); |
572 |
return item.offset().top - base - height < 0; |
573 |
}); |
574 |
|
575 |
this.focus( event, item ); |
576 |
} else { |
577 |
this.focus( event, this.activeMenu.children( ".ui-menu-item" ) |
578 |
[ !this.active ? "first" : "last" ]() ); |
579 |
} |
580 |
}, |
581 |
|
582 |
previousPage: function( event ) { |
583 |
var item, base, height; |
584 |
if ( !this.active ) { |
585 |
this.next( event ); |
586 |
return; |
587 |
} |
588 |
if ( this.isFirstItem() ) { |
589 |
return; |
590 |
} |
591 |
if ( this._hasScroll() ) { |
592 |
base = this.active.offset().top; |
593 |
height = this.element.height(); |
594 |
this.active.prevAll( ".ui-menu-item" ).each(function() { |
595 |
item = $( this ); |
596 |
return item.offset().top - base + height > 0; |
597 |
}); |
598 |
|
599 |
this.focus( event, item ); |
600 |
} else { |
601 |
this.focus( event, this.activeMenu.children( ".ui-menu-item" ).first() ); |
602 |
} |
603 |
}, |
604 |
|
605 |
_hasScroll: function() { |
606 |
return this.element.outerHeight() < this.element.prop( "scrollHeight" ); |
607 |
}, |
608 |
|
609 |
select: function( event ) { |
610 |
// TODO: It should never be possible to not have an active item at this |
611 |
// point, but the tests don't trigger mouseenter before click. |
612 |
this.active = this.active || $( event.target ).closest( ".ui-menu-item" ); |
613 |
var ui = { item: this.active }; |
614 |
if ( !this.active.has( ".ui-menu" ).length ) { |
615 |
this.collapseAll( event, true ); |
616 |
} |
617 |
this._trigger( "select", event, ui ); |
618 |
} |
619 |
}); |
620 |
|
621 |
}( jQuery )); |