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
|
/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WI.GroupNavigationItem = class GroupNavigationItem extends WI.NavigationItem
{
constructor(navigationItems)
{
console.assert(!navigationItems || Array.isArray(navigationItems));
super();
this._needsUpdate = false;
this.navigationItems = navigationItems || [];
}
// Public
get navigationItems()
{
return this._navigationItems;
}
set navigationItems(items)
{
this._navigationItems = items;
// Wait until a layout to update the DOM.
this._needsUpdate = true;
}
get hidden()
{
return super.hidden || this._navigationItems.every((item) => item.hidden);
}
set hidden(flag)
{
super.hidden = flag;
}
get width()
{
this._updateItems();
return super.width;
}
get minimumWidth()
{
this._updateItems();
return this._navigationItems.reduce((total, item) => total + item.minimumWidth, 0);
}
// Protected
get additionalClassNames()
{
return ["group"];
}
update(options = {})
{
super.update(options);
this._updateItems();
for (let item of this._navigationItems)
item.update(options);
}
didAttach(navigationBar)
{
super.didAttach(navigationBar);
this._updateItems();
for (let item of this._navigationItems)
item.didAttach(navigationBar);
}
didDetach()
{
for (let item of this._navigationItems)
item.didDetach();
super.didDetach();
}
// Private
_updateItems()
{
if (!this._needsUpdate)
return;
this._needsUpdate = false;
this.element.removeChildren();
for (let item of this._navigationItems) {
console.assert(item instanceof WI.NavigationItem);
this.element.appendChild(item.element);
}
}
};
|
