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comparison Chronosv2/source/Presentation/Windows/DesktopSerializer.cs @ 10:443821e55f06

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Initial cleaned up add from Codeplex files
author stevenh7776 stevenhollidge@hotmail.com
date Tue, 21 Feb 2012 17:25:44 +0700
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children 09d18d6e5f40
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9:904a9faadf8b 10:443821e55f06
1 /*
2 The MIT License
3
4 Copyright (c) 2009-2010. Carlos Guzmán Álvarez. http://chronoswpf.codeplex.com/
5
6 Permission is hereby granted, free of charge, to any person obtaining a copy
7 of this software and associated documentation files (the "Software"), to deal
8 in the Software without restriction, including without limitation the rights
9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 copies of the Software, and to permit persons to whom the Software is
11 furnished to do so, subject to the following conditions:
12
13 The above copyright notice and this permission notice shall be included in
14 all copies or substantial portions of the Software.
15
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 THE SOFTWARE.
23 */
24
25 using System;
26 using System.Collections.Generic;
27 using System.Globalization;
28 using System.IO;
29 using System.Linq;
30 using System.Windows;
31 using System.Windows.Controls;
32 using System.Windows.Markup;
33 using System.Xml;
34 using System.Xml.Linq;
35 using Chronos.Extensions.Windows;
36 using Chronos.Presentation.Core.Services;
37 using Chronos.Presentation.Core.Windows;
38 using Chronos.Presentation.Windows.Controls;
39 using nRoute.ViewServices;
40
41 namespace Chronos.Presentation.Windows
42 {
43 /// <summary>
44 /// Desktop serializer for <see cref="E:Chronos.Presentation.Windows.Elements.WidgetElement"/> and
45 /// <see cref="E:Chronos.Presentation.Windows.Elements.ShortcutElement"/> contents.
46 /// </summary>
47 internal static class DesktopSerializer
48 {
49 #region · Save/Load Methods ·
50
51 /// <summary>
52 /// Loads the contents of the specified filename in the given <see cref="Desktop"/> instance.
53 /// </summary>
54 /// <param name="desktop">The desktop.</param>
55 /// <param name="filename">The filename.</param>
56 public static void Load(Desktop desktop, string filename)
57 {
58 XElement root = LoadFromFile(filename);
59
60 if (root == null)
61 {
62 return;
63 }
64
65 // Widget Deserialization
66 IEnumerable<XElement> widgetsXML = root.Elements("WidgetElements").Elements("WidgetElement");
67
68 foreach (XElement widgetXML in widgetsXML)
69 {
70 Guid id = new Guid(widgetXML.Element("Id").Value);
71 WidgetElement item = DeserializeWidget(widgetXML, id, 0, 0);
72
73 desktop.AddElement(item, item.GetPosition());
74 }
75
76 // Shortcut Deserialization
77 IEnumerable<XElement> shortcutsXML = root.Elements("ShortcutElements").Elements("ShortcutElement");
78 int ti = 0;
79
80 foreach (XElement shortcutXML in shortcutsXML)
81 {
82 Guid id = new Guid(shortcutXML.Element("Id").Value);
83 ShortcutElement item = DeserializeShortcut(shortcutXML, id, 0, 0);
84
85 item.TabIndex = ++ti;
86
87 desktop.AddElement(item, item.GetPosition());
88 }
89 }
90
91 /// <summary>
92 /// Saves the contents of the specified <see cref="Desktop"/> instance in the given file.
93 /// </summary>
94 /// <param name="desktop">The desktop.</param>
95 /// <param name="filename">The filename.</param>
96 public static void Save(Desktop desktop, string filename)
97 {
98 IEnumerable<WidgetElement> widgets = desktop.Children.OfType<WidgetElement>();
99 IEnumerable<ShortcutElement> shortcuts = desktop.Children.OfType<ShortcutElement>();
100
101 XElement widgetsItemsXML = SerializeWidgets(widgets);
102 XElement shortcutsItemsXML = SerializeShortcuts(shortcuts);
103
104 XElement root = new XElement("Root");
105
106 root.Add(widgetsItemsXML);
107 root.Add(shortcutsItemsXML);
108
109 SaveFile(filename, root);
110 }
111
112 #endregion
113
114 #region · Serialization Methods ·
115
116 private static XElement LoadFromFile(string filename)
117 {
118 try
119 {
120 if (File.Exists(filename))
121 {
122 return XElement.Load(filename);
123 }
124 }
125 catch (Exception)
126 {
127 IShowMessageViewService showMessageService = ViewServiceLocator.GetViewService<IShowMessageViewService>();
128
129 showMessageService.ButtonSetup = DialogButton.Ok;
130 showMessageService.Caption = "Chronos - Error en la carga del escritorio";
131 showMessageService.Text = "No ha sido posible realizar la carga del escritorio.";
132
133 showMessageService.ShowMessage();
134 }
135
136 return null;
137 }
138
139 private static void SaveFile(string filename, XElement xElement)
140 {
141 try
142 {
143 xElement.Save(filename);
144 }
145 catch (Exception)
146 {
147 IShowMessageViewService showMessageService = ViewServiceLocator.GetViewService<IShowMessageViewService>();
148
149 showMessageService.ButtonSetup = DialogButton.Ok;
150 showMessageService.Caption = "Chronos - Error al guardar el estado del escritorio";
151 showMessageService.Text = "No ha sido posible al guardar el estado del escritorio.";
152
153 showMessageService.ShowMessage();
154 }
155 }
156
157 private static XElement SerializeWidgets(IEnumerable<WidgetElement> widgets)
158 {
159 XElement serializedItems = new XElement
160 ("WidgetElements",
161 from item in widgets
162 select new XElement
163 ("WidgetElement",
164 new XElement("Type", item.GetType().AssemblyQualifiedName),
165 new XElement("Left", Canvas.GetLeft(item)),
166 new XElement("Top", Canvas.GetTop(item)),
167 new XElement("Width", item.Width),
168 new XElement("Height", item.RealHeight),
169 new XElement("Id", item.Id),
170 new XElement("zIndex", Canvas.GetZIndex(item)),
171 new XElement("WidgetState", item.WidgetState),
172 new XElement("ShowMinimizeButton", item.ShowMinimizeButton)
173 )
174 );
175
176 return serializedItems;
177 }
178
179 private static WidgetElement DeserializeWidget(XElement itemXML, Guid id, double offsetX, double offsetY)
180 {
181 WidgetElement item = (WidgetElement)Activator.CreateInstance(Type.GetType(itemXML.Element("Type").Value));
182
183 item.ShowMinimizeButton = Boolean.Parse(itemXML.Element("ShowMinimizeButton").Value);
184 item.StartupLocation = StartupPosition.Manual;
185
186 item.Move(Double.Parse(itemXML.Element("Left").Value, CultureInfo.InvariantCulture) + offsetX,
187 Double.Parse(itemXML.Element("Top").Value, CultureInfo.InvariantCulture) + offsetY);
188 item.SetZIndex(Int32.Parse(itemXML.Element("zIndex").Value));
189
190 WindowState widgetState = (WindowState)Enum.Parse(typeof(WindowState), itemXML.Element("WidgetState").Value as String);
191
192 item.Width = Double.Parse(itemXML.Element("Width").Value, CultureInfo.InvariantCulture);
193 item.Height = Double.Parse(itemXML.Element("Height").Value, CultureInfo.InvariantCulture);
194
195 if (widgetState == WindowState.Minimized)
196 {
197 item.WidgetState = widgetState;
198 }
199
200 return item;
201 }
202
203 private static XElement SerializeShortcuts(IEnumerable<ShortcutElement> shortcuts)
204 {
205 XElement serializedItems = new XElement("ShortcutElements",
206 from item in shortcuts
207 let contentXaml = XamlWriter.Save(((ShortcutElement)item).DataContext)
208 select new XElement("ShortcutElement",
209 new XElement("Left", Canvas.GetLeft(item)),
210 new XElement("Top", Canvas.GetTop(item)),
211 new XElement("Width", item.Width),
212 new XElement("Height", item.Height),
213 new XElement("Id", item.Id),
214 new XElement("zIndex", Canvas.GetZIndex(item)),
215 new XElement("DataContext", contentXaml)
216 ));
217
218 return serializedItems;
219 }
220
221 private static ShortcutElement DeserializeShortcut(XElement itemXML, Guid id, double offsetX, double offsetY)
222 {
223 ShortcutElement item = new ShortcutElement
224 {
225 DataContext = XamlReader.Load(XmlReader.Create(new StringReader(itemXML.Element("DataContext").Value))),
226 Width = Double.Parse(itemXML.Element("Width").Value, CultureInfo.InvariantCulture),
227 Height = Double.Parse(itemXML.Element("Height").Value, CultureInfo.InvariantCulture)
228 };
229
230 item.StartupLocation = StartupPosition.Manual;
231 item.Move(Double.Parse(itemXML.Element("Left").Value, CultureInfo.InvariantCulture) + offsetX,
232 Double.Parse(itemXML.Element("Top").Value, CultureInfo.InvariantCulture) + offsetY);
233 item.SetZIndex(Int32.Parse(itemXML.Element("zIndex").Value));
234
235 return item;
236 }
237
238 #endregion
239 }
240 }