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
|
/**
* Collapsible tabs jQuery Plugin
*/
( function ( $ ) {
var rtl = $( 'html' ).attr( 'dir' ) === 'rtl';
$.fn.collapsibleTabs = function ( options ) {
// return if the function is called on an empty jquery object
if ( !this.length ) {
return this;
}
// Merge options into the defaults
var settings = $.extend( {}, $.collapsibleTabs.defaults, options );
this.each( function () {
var $el = $( this );
// add the element to our array of collapsible managers
$.collapsibleTabs.instances = $.collapsibleTabs.instances.add( $el );
// attach the settings to the elements
$el.data( 'collapsibleTabsSettings', settings );
// attach data to our collapsible elements
$el.children( settings.collapsible ).each( function () {
$.collapsibleTabs.addData( $( this ) );
} );
} );
// if we haven't already bound our resize handler, bind it now
if ( !$.collapsibleTabs.boundEvent ) {
$( window ).on( 'resize', $.debounce( 500, function () {
$.collapsibleTabs.handleResize();
} ) );
$.collapsibleTabs.boundEvent = true;
}
// call our resize handler to setup the page
$.collapsibleTabs.handleResize();
return this;
};
$.collapsibleTabs = {
instances: $( [] ),
boundEvent: null,
defaults: {
expandedContainer: '#p-views ul',
collapsedContainer: '#p-cactions ul',
collapsible: 'li.collapsible',
shifting: false,
expandCondition: function ( eleWidth ) {
// If there are at least eleWidth + 1 pixels of free space, expand.
// We add 1 because .width() will truncate fractional values but .offset() will not.
return $.collapsibleTabs.calculateTabDistance() >= eleWidth + 1;
},
collapseCondition: function () {
// If there's an overlap, collapse.
return $.collapsibleTabs.calculateTabDistance() < 0;
}
},
addData: function ( $collapsible ) {
var settings = $collapsible.parent().data( 'collapsibleTabsSettings' );
if ( settings ) {
$collapsible.data( 'collapsibleTabsSettings', {
expandedContainer: settings.expandedContainer,
collapsedContainer: settings.collapsedContainer,
expandedWidth: $collapsible.width(),
prevElement: $collapsible.prev()
} );
}
},
getSettings: function ( $collapsible ) {
var settings = $collapsible.data( 'collapsibleTabsSettings' );
if ( !settings ) {
$.collapsibleTabs.addData( $collapsible );
settings = $collapsible.data( 'collapsibleTabsSettings' );
}
return settings;
},
handleResize: function () {
$.collapsibleTabs.instances.each( function () {
var $el = $( this ),
data = $.collapsibleTabs.getSettings( $el );
if ( data.shifting ) {
return;
}
// if the two navigations are colliding
if ( $el.children( data.collapsible ).length > 0 && data.collapseCondition() ) {
$el.trigger( 'beforeTabCollapse' );
// move the element to the dropdown menu
$.collapsibleTabs.moveToCollapsed( $el.children( data.collapsible + ':last' ) );
}
// if there are still moveable items in the dropdown menu,
// and there is sufficient space to place them in the tab container
if ( $( data.collapsedContainer + ' ' + data.collapsible ).length > 0 &&
data.expandCondition( $.collapsibleTabs.getSettings( $( data.collapsedContainer ).children(
data.collapsible + ':first' ) ).expandedWidth ) ) {
// move the element from the dropdown to the tab
$el.trigger( 'beforeTabExpand' );
$.collapsibleTabs
.moveToExpanded( data.collapsedContainer + ' ' + data.collapsible + ':first' );
}
} );
},
moveToCollapsed: function ( ele ) {
var outerData, expContainerSettings, target,
$moving = $( ele );
outerData = $.collapsibleTabs.getSettings( $moving );
if ( !outerData ) {
return;
}
expContainerSettings = $.collapsibleTabs.getSettings( $( outerData.expandedContainer ) );
if ( !expContainerSettings ) {
return;
}
expContainerSettings.shifting = true;
// Remove the element from where it's at and put it in the dropdown menu
target = outerData.collapsedContainer;
$moving.css( 'position', 'relative' )
.css( ( rtl ? 'left' : 'right' ), 0 )
.animate( { width: '1px' }, 'normal', function () {
var data, expContainerSettings;
$( this ).hide();
// add the placeholder
$( '<span class="placeholder" style="display: none;"></span>' ).insertAfter( this );
$( this ).detach().prependTo( target ).data( 'collapsibleTabsSettings', outerData );
$( this ).attr( 'style', 'display: list-item;' );
data = $.collapsibleTabs.getSettings( $( ele ) );
if ( data ) {
expContainerSettings = $.collapsibleTabs.getSettings( $( data.expandedContainer ) );
if ( expContainerSettings ) {
expContainerSettings.shifting = false;
$.collapsibleTabs.handleResize();
}
}
} );
},
moveToExpanded: function ( ele ) {
var data, expContainerSettings, $target, expandedWidth,
$moving = $( ele );
data = $.collapsibleTabs.getSettings( $moving );
if ( !data ) {
return;
}
expContainerSettings = $.collapsibleTabs.getSettings( $( data.expandedContainer ) );
if ( !expContainerSettings ) {
return;
}
expContainerSettings.shifting = true;
// grab the next appearing placeholder so we can use it for replacing
$target = $( data.expandedContainer ).find( 'span.placeholder:first' );
expandedWidth = data.expandedWidth;
$moving.css( 'position', 'relative' ).css( ( rtl ? 'right' : 'left' ), 0 ).css( 'width', '1px' );
$target.replaceWith(
$moving
.detach()
.css( 'width', '1px' )
.data( 'collapsibleTabsSettings', data )
.animate( { width: expandedWidth + 'px' }, 'normal', function () {
$( this ).attr( 'style', 'display: block;' );
var data, expContainerSettings;
data = $.collapsibleTabs.getSettings( $( this ) );
if ( data ) {
expContainerSettings = $.collapsibleTabs.getSettings( $( data.expandedContainer ) );
if ( expContainerSettings ) {
expContainerSettings.shifting = false;
$.collapsibleTabs.handleResize();
}
}
} )
);
},
/**
* Returns the amount of horizontal distance between the two tabs groups
* (#left-navigation and #right-navigation), in pixels. If negative, this
* means that the tabs overlap, and the value is the width of overlapping
* parts.
*
* Used in default expandCondition and collapseCondition.
*
* @return {Numeric} distance/overlap in pixels
*/
calculateTabDistance: function () {
var $leftTab, $rightTab, leftEnd, rightStart;
// In RTL, #right-navigation is actually on the left and vice versa.
// Hooray for descriptive naming.
if ( !rtl ) {
$leftTab = $( '#left-navigation' );
$rightTab = $( '#right-navigation' );
} else {
$leftTab = $( '#right-navigation' );
$rightTab = $( '#left-navigation' );
}
leftEnd = $leftTab.offset().left + $leftTab.width();
rightStart = $rightTab.offset().left;
return rightStart - leftEnd;
}
};
}( jQuery ) );
|
