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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
|
//
// System.Drawing.Design.ToolboxItem.cs
//
// Authors:
// Alejandro Sánchez Acosta
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
// Jordi Mas i Hernandez, jordimash@gmail.com
//
// (C) Alejandro Sánchez Acosta
// (C) 2003 Andreas Nahr
//
//
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Reflection;
using System.Runtime.Serialization;
using System.Security.Permissions;
namespace System.Drawing.Design
{
[Serializable]
[PermissionSet (SecurityAction.LinkDemand, Unrestricted = true)]
[PermissionSet (SecurityAction.InheritanceDemand, Unrestricted = true)]
public class ToolboxItem : ISerializable
{
private bool locked = false;
private ICollection filter = new ToolboxItemFilterAttribute[0];
private Hashtable properties = new Hashtable ();
public ToolboxItem() {
}
public ToolboxItem (Type toolType) {
Initialize (toolType);
}
public AssemblyName AssemblyName {
get {
return (AssemblyName) properties["AssemblyName"];
}
set {
CheckUnlocked ();
properties["AssemblyName"] = value;
}
}
public Bitmap Bitmap {
get {
return (Bitmap) properties["Bitmap"];
}
set {
CheckUnlocked ();
properties["Bitmap"] = value;
}
}
public string DisplayName {
get {
return (string) properties["DisplayName"];
}
set {
CheckUnlocked ();
properties["DisplayName"] = value;
}
}
public ICollection Filter {
get {
return filter;
}
set {
CheckUnlocked ();
filter = value;
}
}
#if NET_2_0
public virtual bool Locked {
#else
protected bool Locked {
#endif
get {
return locked;
}
}
public string TypeName {
get {
return (string) properties["TypeName"];
}
set {
CheckUnlocked ();
properties["TypeName"] = value;
}
}
#if NET_2_0
public string Company {
get { return (string) properties["Company"]; }
set { properties["Company"] = value; }
}
public virtual string ComponentType {
get { return "DotNET_ComponentType"; }
}
public AssemblyName[] DependentAssemblies {
get { return (AssemblyName[]) properties["DependentAssemblies"]; }
set { properties["DependentAssemblies"] = value; }
}
public string Description {
get { return (string) properties["Description"]; }
set { properties["Description"] = value; }
}
public bool IsTransient {
get { return (bool) properties["IsTransient"]; }
set { properties["IsTransient"] = value; }
}
public IDictionary Properties {
get { return properties; }
}
public virtual string Version {
get { return string.Empty; }
}
#endif
protected void CheckUnlocked ()
{
if (locked)
throw new InvalidOperationException ("The ToolboxItem is locked");
}
public IComponent[] CreateComponents ()
{
return CreateComponents (null);
}
public IComponent[] CreateComponents (IDesignerHost host)
{
OnComponentsCreating (new ToolboxComponentsCreatingEventArgs (host));
IComponent[] Comp = CreateComponentsCore (host);
OnComponentsCreated ( new ToolboxComponentsCreatedEventArgs (Comp));
return Comp;
}
[MonoTODO ("get error handling logic correct")]
protected virtual IComponent[] CreateComponentsCore (IDesignerHost host)
{
if (host == null)
throw new ArgumentNullException("host");
OnComponentsCreating(new ToolboxComponentsCreatingEventArgs(host));
IComponent[] components;
Type type = GetType(host, AssemblyName, TypeName, true);
if (type == null)
components = new IComponent[] { };
else
components = new IComponent[] { host.CreateComponent(type) };
OnComponentsCreated(new ToolboxComponentsCreatedEventArgs(components));
return components;
}
#if NET_2_0
[MonoTODO]
public IComponent[] CreateComponents (IDesignerHost host, IDictionary defaultValues)
{
throw new NotImplementedException ();
}
[MonoTODO]
public Type GetType (IDesignerHost host)
{
throw new NotImplementedException ();
}
[MonoTODO]
protected virtual object FilterPropertyValue(string propertyName, object value)
{
throw new NotImplementedException ();
}
#endif
protected virtual void Deserialize (SerializationInfo info, StreamingContext context)
{
AssemblyName = (AssemblyName)info.GetValue ("AssemblyName", typeof (AssemblyName));
Bitmap = (Bitmap)info.GetValue ("Bitmap", typeof (Bitmap));
filter = (ICollection)info.GetValue ("Filter", typeof (ICollection));
DisplayName = info.GetString ("DisplayName");
locked = info.GetBoolean ("Locked");
TypeName = info.GetString ("TypeName");
}
public override bool Equals (object obj)
{
// FIXME: too harsh??
if (!(obj is ToolboxItem))
return false;
if (obj == this)
return true;
return ((ToolboxItem) obj).AssemblyName.Equals (AssemblyName) &&
((ToolboxItem) obj).Locked.Equals (locked) &&
((ToolboxItem) obj).TypeName.Equals (TypeName) &&
((ToolboxItem) obj).DisplayName.Equals (DisplayName) &&
((ToolboxItem) obj).Bitmap.Equals (Bitmap);
}
public override int GetHashCode ()
{
// FIXME: other algorithm?
return string.Concat (TypeName, DisplayName).GetHashCode ();
}
[MonoTODO]
protected virtual Type GetType (IDesignerHost host, AssemblyName assemblyName, string typeName, bool reference)
{
if (host == null)
throw new ArgumentNullException("host");
//get ITypeResolutionService from host, as we have no other IServiceProvider here
ITypeResolutionService typeRes = host.GetService(typeof(ITypeResolutionService)) as ITypeResolutionService;
if (typeRes == null)
throw new Exception("Host does not provide an ITypeResolutionService");
//TODO: Using Assembly loader to throw errors. Silent fail and return null?
Assembly assembly = typeRes.GetAssembly(assemblyName, true);
if (reference)
typeRes.ReferenceAssembly(assemblyName);
return typeRes.GetType(typeName, true);
}
[MonoTODO ("Should we be returning empty bitmap, or null?")]
public virtual void Initialize (Type type)
{
AssemblyName = type.Assembly.GetName();
DisplayName = type.Name;
TypeName = type.FullName;
// seems to be a right place to create the bitmap
System.Drawing.Image image = null;
foreach (object attribute in type.GetCustomAttributes(true)) {
ToolboxBitmapAttribute tba = attribute as ToolboxBitmapAttribute;
if (tba != null) {
image = tba.GetImage (type);
break;
}
}
//fallback: check for image even if not attribute
if (image == null)
image = ToolboxBitmapAttribute.GetImageFromResource (type, null, false);
if (image != null) {
if (image is Bitmap)
Bitmap = (Bitmap) image;
else
Bitmap = new Bitmap (image);
}
filter = type.GetCustomAttributes (typeof (ToolboxItemFilterAttribute), true);
}
void ISerializable.GetObjectData (SerializationInfo info, StreamingContext context)
{
Serialize (info, context);
}
#if NET_2_0
public virtual void Lock ()
#else
public void Lock ()
#endif
{
locked = true;
}
protected virtual void OnComponentsCreated (ToolboxComponentsCreatedEventArgs args)
{
if (ComponentsCreated != null)
this.ComponentsCreated (this, args);
}
protected virtual void OnComponentsCreating (ToolboxComponentsCreatingEventArgs args)
{
if (ComponentsCreated != null)
this.ComponentsCreating (this, args);
}
protected virtual void Serialize (SerializationInfo info, StreamingContext context)
{
info.AddValue ("AssemblyName", AssemblyName);
info.AddValue ("Bitmap", Bitmap);
info.AddValue ("Filter", filter);
info.AddValue ("DisplayName", DisplayName);
info.AddValue ("Locked", locked);
info.AddValue ("TypeName", TypeName);
}
public override string ToString()
{
return DisplayName;
}
#if NET_2_0
protected void ValidatePropertyType (string propertyName, object value, Type expectedType, bool allowNull)
{
throw new NotImplementedException ();
}
protected virtual object ValidatePropertyValue (string propertyName, object value)
{
throw new NotImplementedException ();
}
#endif
public event ToolboxComponentsCreatedEventHandler ComponentsCreated;
public event ToolboxComponentsCreatingEventHandler ComponentsCreating;
}
}
|