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
|
/*
* Copyright (C) 2016 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. ``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
* 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.
*/
class ButtonsContainer extends LayoutNode
{
constructor({ children, leftMargin, rightMargin, buttonMargin, cssClassName } = {})
{
super(`<div class="buttons-container ${cssClassName ?? ""}"></div>`);
this.leftMargin = leftMargin ?? ButtonsContainer.Defaults.LeftMargin;
this.rightMargin = rightMargin ?? ButtonsContainer.Defaults.RightMargin;
this.buttonMargin = buttonMargin ?? ButtonsContainer.Defaults.ButtonMargin;
this.children = children ?? [];
}
// Static
static Defaults = {
LeftMargin: 16,
RightMargin: 16,
ButtonMargin: 16,
};
// Public
willRemoveChild(child)
{
super.willRemoveChild(child);
// We reset properties that we may have overridden during layout to their default values.
child.visible = true;
child.x = 0;
}
didChangeChildren()
{
super.didChangeChildren();
this.layout();
}
layout()
{
super.layout();
let x = this.leftMargin;
let numberOfVisibleButtons = 0;
this._children.forEach(button => {
button.visible = button.enabled && !button.dropped;
if (!button.visible)
return;
button.x = x;
x += button.width + this.buttonMargin;
numberOfVisibleButtons++;
});
if (numberOfVisibleButtons)
this.width = x - this.buttonMargin + this.rightMargin;
else
this.width = this.buttonMargin + this.rightMargin;
}
}
|
