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
|
//
// Expandable.cs
//
// Author:
// Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// Copyright (c) 2016 jp
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using System;
using System.ComponentModel;
using System.Xml.Serialization;
namespace Crow
{
public class Expandable : TemplatedContainer
{
#region CTOR
public Expandable() : base()
{
}
#endregion
#region Private fields
bool _isExpanded;
string caption;
string image;
Container _contentContainer;
#endregion
#region Event Handlers
public event EventHandler Expand;
public event EventHandler Collapse;
#endregion
public BooleanTestOnInstance GetIsExpandable;
public void onClickForExpand (object sender, MouseButtonEventArgs e)
{
IsExpanded = !IsExpanded;
}
public override GraphicObject Content {
get {
return _contentContainer == null ? null : _contentContainer.Child;
}
set {
_contentContainer.SetChild(value);
NotifyValueChanged ("HasContent", HasContent);
}
}
//TODO: move loadTemplate and ResolveBinding in TemplatedContainer
protected override void loadTemplate(GraphicObject template = null)
{
base.loadTemplate (template);
_contentContainer = this.child.FindByName ("Content") as Container;
}
#region Public properties
[XmlAttributeAttribute][DefaultValue("Expandable")]
public string Caption {
get { return caption; }
set {
if (caption == value)
return;
caption = value;
NotifyValueChanged ("Caption", caption);
}
}
[XmlAttributeAttribute][DefaultValue("#Crow.Images.Icons.expandable.svg")]
public string Image {
get { return image; }
set {
if (image == value)
return;
image = value;
NotifyValueChanged ("Image", image);
}
}
[XmlAttributeAttribute][DefaultValue(false)]
public bool IsExpanded
{
get { return _isExpanded; }
set
{
if (value == _isExpanded)
return;
_isExpanded = value;
bool isExp = IsExpandable;
NotifyValueChanged ("IsExpandable", isExp);
if (!(HasContent & isExp))
_isExpanded = false;
NotifyValueChanged ("IsExpanded", _isExpanded);
if (_isExpanded)
onExpand (this, null);
else
onCollapse (this, null);
}
}
[XmlIgnore]public bool HasContent {
get { return _contentContainer == null ? false : _contentContainer.Child != null; }
}
[XmlIgnore]public bool IsExpandable {
get {
try {
return GetIsExpandable == null ? true : GetIsExpandable (this);
} catch (Exception ex) {
System.Diagnostics.Debug.WriteLine ("Not Expandable error: " + ex.ToString ());
return false;
}
}
}
#endregion
public virtual void onExpand(object sender, EventArgs e)
{
if (_contentContainer != null)
_contentContainer.Visible = true;
Expand.Raise (this, e);
}
public virtual void onCollapse(object sender, EventArgs e)
{
if (_contentContainer != null)
_contentContainer.Visible = false;
Collapse.Raise (this, e);
}
}
}
|
