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comparison Source/ComponentModel/Design/TypePicker.cs @ 0:f990fcb411a9

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Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
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-1:000000000000 0:f990fcb411a9
1 using System;
2 using System.ComponentModel;
3 using System.ComponentModel.Design;
4 using System.ComponentModel.Design.Data;
5 using System.Drawing;
6 using System.Reflection;
7 using System.Windows.Forms;
8 using System.Windows.Forms.Design;
9
10 namespace BLToolkit.ComponentModel.Design
11 {
12 [DesignTimeVisible(false)]
13 [ToolboxItem(false)]
14 public partial class TypePicker : UserControl
15 {
16 public TypePicker()
17 {
18 InitializeComponent();
19
20 if (!_size.IsEmpty)
21 Size = _size;
22 }
23
24 ITypeResolutionService _typeResolutionService;
25 IWindowsFormsEditorService _windowsFormsEditorService;
26 IServiceProvider _serviceProvider;
27
28 Type _resultType;
29 Predicate<Type> _filter;
30
31 static Size _size;
32
33 private T GetService<T>()
34 {
35 return (T)_serviceProvider.GetService(typeof(T));
36 }
37
38 public Type PickType(IServiceProvider serviceProvider, Type type, Predicate<Type> filter)
39 {
40 _resultType = type;
41 _filter = filter;
42
43 _serviceProvider = serviceProvider;
44 _typeResolutionService = GetService<ITypeResolutionService>();
45 _windowsFormsEditorService = GetService<IWindowsFormsEditorService>();
46
47 InitUI ();
48 AddTypes();
49
50 if (_windowsFormsEditorService != null)
51 _windowsFormsEditorService.DropDownControl(this);
52
53 return _resultType;
54 }
55
56 private void InitUI()
57 {
58 IUIService uiService = GetService<IUIService>();
59
60 if (uiService != null)
61 {
62 object color = uiService.Styles["VsColorPanelHyperLink"];
63
64 if (color is Color)
65 addNewLinkLabel.LinkColor = (Color)color;
66
67 color = uiService.Styles["VsColorPanelHyperLinkPressed"];
68
69 if (color is Color)
70 addNewLinkLabel.ActiveLinkColor = (Color)color;
71 }
72
73 // Add None node.
74 //
75 TreeNode node = new TypeNode("None");
76
77 treeView.Nodes.Add(node);
78 treeView.SelectedNode = node;
79 }
80
81 private TypeNode GetTypeNode(DataSourceDescriptor ds)
82 {
83 Type type = null;
84
85 if (_typeResolutionService != null)
86 type = _typeResolutionService.GetType(ds.TypeName);
87
88 try
89 {
90 if (type == null)
91 type = Type.GetType(ds.TypeName, true);
92 }
93 catch
94 {
95 return null;
96 }
97
98 if (_filter != null && _filter(type) == false)
99 return null;
100
101 return new TypeNode(ds.Name, type);
102 }
103
104 private void AddGroup(DataSourceGroup group)
105 {
106 TreeNode groupNode = null;
107
108 foreach (DataSourceDescriptor d in group.DataSources)
109 {
110 if (d == null)
111 continue;
112
113 TypeNode node = GetTypeNode(d);
114
115 if (node == null)
116 continue;
117
118 if (group.IsDefault)
119 {
120 treeView.Nodes.Add(node);
121 }
122 else
123 {
124 if (groupNode == null)
125 treeView.Nodes.Add(groupNode = new TreeNode(group.Name, 2, 2));
126
127 groupNode.Nodes.Add(node);
128 }
129
130 if (_resultType == node.Type)
131 treeView.SelectedNode = node;
132 }
133 }
134
135 private void AddTypes()
136 {
137 DataSourceProviderService dspService = GetService<DataSourceProviderService>();
138
139 if (dspService == null || !dspService.SupportsAddNewDataSource)
140 return;
141
142 DataSourceGroupCollection dataSources = null;
143
144 try
145 {
146 dataSources = dspService.GetDataSources();
147 }
148 catch (Exception ex)
149 {
150 IUIService ui = GetService<IUIService>();
151
152 string message =
153 "Cant retrieve Data Source Collection: " + ex.Message +
154 "\nCheck the 'Properties\\DataSources' folder of your project.";
155
156 if (ui != null)
157 ui.ShowError(ex, message);
158 else
159 MessageBox.Show(this, message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
160 }
161
162 if (dataSources == null)
163 return;
164
165 foreach (DataSourceGroup group in dataSources)
166 if (group != null)
167 AddGroup(group);
168 }
169
170 private void treeView_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
171 {
172 if (e.Node is TypeNode)
173 {
174 _resultType = ((TypeNode)e.Node).Type;
175 _windowsFormsEditorService.CloseDropDown();
176 }
177 }
178
179 private void addNewLinkLabel_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
180 {
181 using (GetTypeDialog dlg = new GetTypeDialog(_serviceProvider, typeof (object), _filter))
182 {
183 IUIService uiService = GetService<IUIService>();
184 IWin32Window owner = uiService == null? null: uiService.GetDialogOwnerWindow();
185 DialogResult result = dlg.ShowDialog(owner);
186
187 if (result == DialogResult.OK && dlg.ResultType != null)
188 {
189 _resultType = dlg.ResultType;
190
191 SaveType(_resultType);
192
193 _windowsFormsEditorService.CloseDropDown();
194 }
195 }
196 }
197
198 private void TypePicker_Resize(object sender, EventArgs e)
199 {
200 _size = Size;
201 }
202
203 private void SaveType(Type type)
204 {
205 DataSourceProviderService dspService = GetService<DataSourceProviderService>();
206
207 if (dspService == null || !dspService.SupportsAddNewDataSource)
208 return;
209
210 try
211 {
212 const string vs9TypeName = "Microsoft.VSDesigner.VSDesignerPackage.IGenericObjectDataSourcesService, Microsoft.VSDesigner, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a";
213 const string vs8TypeName = "Microsoft.VSDesigner.VSDesignerPackage.IGenericObjectDataSourcesService, Microsoft.VSDesigner, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a";
214
215 Type serviceType = Type.GetType(vs9TypeName) ?? Type.GetType(vs8TypeName);
216
217 if (serviceType == null)
218 return;
219
220 object service = _serviceProvider.GetService(serviceType);
221
222 if (service == null)
223 return;
224
225 MethodInfo mi = serviceType.GetMethod("AddGenericObjectDataSource");
226
227 mi.Invoke(service, new object[] { _serviceProvider, null, type });
228 }
229 catch (Exception ex)
230 {
231 IUIService ui = GetService<IUIService>();
232
233 if (ui != null)
234 ui.ShowError(ex);
235 else
236 MessageBox.Show(this, ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
237 }
238 }
239
240 internal class TypeNode : TreeNode
241 {
242 public TypeNode(string name)
243 : base(name, 0, 0)
244 {
245 _isSelectable = true;
246 }
247
248 public TypeNode(string name, Type type)
249 : this(name, type, true)
250 {
251 }
252
253 public TypeNode(string name, Type type, bool isSelectable)
254 : base(name, 3, 3)
255 {
256 _type = type;
257 _isSelectable = isSelectable;
258 }
259
260 private bool _isSelectable;
261 public bool IsSelectable
262 {
263 get { return _isSelectable; }
264 set { _isSelectable = value; }
265 }
266
267 private readonly Type _type;
268 public Type Type
269 {
270 get { return _type; }
271 }
272 }
273
274 class NewLink : LinkLabel
275 {
276 protected override bool IsInputKey(Keys key)
277 {
278 return key == Keys.Return? true: base.IsInputKey(key);
279 }
280 }
281 }
282 }