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
|
//
// TemplatedControl.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2015 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.Xml.Serialization;
using System.ComponentModel;
using System.IO;
using System.Xml;
using System.Diagnostics;
using System.Linq;
namespace Crow
{
[AttributeUsage(AttributeTargets.Class)]
public class TemplateAttribute : Attribute
{
public string Path = "";
public TemplateAttribute(string path)
{
Path = path;
}
}
[AttributeUsage(AttributeTargets.Class)]
public class DefaultTemplate : TemplateAttribute
{
public DefaultTemplate(string path) : base(path){}
}
[AttributeUsage(AttributeTargets.Class)]
public class DefaultItemTemplate : TemplateAttribute
{
public DefaultItemTemplate(string path) : base(path){}
}
public abstract class TemplatedControl : PrivateContainer, IXmlSerializable
{
#region CTOR
public TemplatedControl () : base()
{
if (Interface.XmlLoaderCount > 0)
return;
loadTemplate ();
}
#endregion
string _template;
[XmlAttributeAttribute][DefaultValue(null)]
public string Template {
get { return _template; }
set {
if (Template == value)
return;
_template = value;
if (string.IsNullOrEmpty(_template))
loadTemplate ();
else
loadTemplate (Interface.Load (_template, this));
}
}
#region GraphicObject overrides
public override GraphicObject FindByName (string nameToFind)
{
//prevent name searching in template
return nameToFind == this.Name ? this : null;
}
#endregion
protected virtual void loadTemplate(GraphicObject template = null)
{
if (template == null) {
DefaultTemplate dt = (DefaultTemplate)this.GetType ().GetCustomAttributes (typeof(DefaultTemplate), true).FirstOrDefault();
this.SetChild (Interface.Load (dt.Path, this));
}else
this.SetChild (template);
this.ResolveBindings ();
}
#region IXmlSerializable
public override System.Xml.Schema.XmlSchema GetSchema(){ return null; }
public override void ReadXml(System.Xml.XmlReader reader)
{
//Template could be either an attribute containing path or expressed inlined
//as a Template Element
using (System.Xml.XmlReader subTree = reader.ReadSubtree())
{
subTree.Read ();
string template = reader.GetAttribute ("Template");
string tmp = subTree.ReadOuterXml ();
//Load template from path set as attribute in templated control
if (string.IsNullOrEmpty (template)) {
//seek for template tag first
using (XmlReader xr = new XmlTextReader (tmp, XmlNodeType.Element, null)) {
//load template first if inlined
xr.Read (); //skip current node
while (!xr.EOF) {
xr.Read (); //read first child
if (!xr.IsStartElement ())
continue;
if (xr.Name == "Template") {
xr.Read ();
Type t = Type.GetType ("Crow." + xr.Name);
GraphicObject go = (GraphicObject)Activator.CreateInstance (t);
(go as IXmlSerializable).ReadXml (xr);
loadTemplate (go);
xr.Read ();//go close tag
xr.Read ();//Template close tag
break;
} else
xr.ReadInnerXml ();
}
}
} else
loadTemplate (Interface.Load (template, this));
//if no template found, load default one
if (this.child == null)
loadTemplate ();
//normal xml read
using (XmlReader xr = new XmlTextReader (tmp, XmlNodeType.Element, null)) {
xr.Read ();
base.ReadXml(xr);
}
}
}
public override void WriteXml(System.Xml.XmlWriter writer)
{
//TODO:
throw new NotImplementedException();
}
#endregion
}
}
|
