Implement Demo feature.

- NEU: Eingebautes Demo-Dokument zum Ausprobieren.

zaaReloaded2/Demo/Demo.cs

@@ -0,0 +1,75 @@
+/* Demo.cs
+ * part of zaaReloaded2
+ * 
+ * Copyright 2015 Daniel Kraus
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using Microsoft.Office.Interop.Word;
+
+namespace zaaReloaded2.Demo
+{
+    /// <summary>
+    /// Static class that serves to load an embedded Word document
+    /// into a temporary file and open that temporary file in Word.
+    /// </summary>
+    static class Demo
+    {
+        #region Public methods
+
+        /// <summary>
+        /// Opens a demo document. The document's Saved property is set to
+        /// false so that a user who wants to save changes will be prompted
+        /// for a file name.
+        /// </summary>
+        public static void OpenDemoDocument()
+        {
+            string tempFile = CreateTempFileFromResource();
+            Document demoDoc = Globals.ThisAddIn.Application.Documents
+                .Add(Template: tempFile);
+            File.Delete(tempFile);
+        }
+
+        #endregion
+
+        #region Private methods
+
+        /// <summary>
+        /// Copies the built-in demo file from a resource stream to a
+        /// temporary file and returns the path to that file.
+        /// </summary>
+        /// <returns>Path to the newly created temporary file.</returns>
+        static string CreateTempFileFromResource()
+        {
+            string resourceName = "zaaReloaded2.Demo.Demo.docx";
+            Stream resourceStream = typeof(Demo).Assembly
+                .GetManifestResourceStream(resourceName);
+            if (resourceStream == null)
+            {
+                throw new IOException("Unable to open stream " + resourceName);
+            }
+            string fileName = Path.GetTempFileName() + ".docx";
+            Stream tempStream = File.Create(fileName);
+            resourceStream.CopyTo(tempStream);
+            tempStream.Close();
+            return fileName;
+        }
+
+        #endregion
+    }
+}

zaaReloaded2/Ribbon.cs

@@ -95,6 +95,9 @@ namespace zaaReloaded2
                             Globals.ThisAddIn.Application.ActiveDocument,
                             Globals.ThisAddIn.Application.Selection);
                         break;
+                    case "zrlDemo":
+                        Demo.Demo.OpenDemoDocument();
+                        break;
                     default:
                         throw new InvalidOperationException("No operation defined for " + control.Id);
                 }

zaaReloaded2/Ribbon.xml

@@ -32,6 +32,9 @@
 							getVisible="Daniel_GetVisible"/>
 				</group>
 				<group id="zrlInfoGroup" label="Info">
+					<button id="zrlDemo" label="Demo" image="d.png" onAction="Ribbon_Click" size="large"
+							screentip="Demo-Dokument öffnen"
+							supertip="Öffnet ein eingebautes Demo-Dokument, das zum Ausprobieren verwendet werden kann." />
 					<button id="zrlAbout" label="Über..." image="i.png" onAction="Ribbon_Click" size="large"
 							screentip="Über zaaReloaded"
 							supertip="Zeigt Informationen über das Add-in an." />

zaaReloaded2/zaaReloaded2.csproj

@@ -176,6 +176,7 @@
     <Compile Include="Controller\Elements\CustomText.cs" />
     <Compile Include="Controller\Settings.cs" />
     <Compile Include="Controller\SettingsRepository.cs" />
+    <Compile Include="Demo\Demo.cs" />
     <Compile Include="ExceptionHandler\ExceptionDetailView.xaml.cs" />
     <Compile Include="ExceptionHandler\ExceptionView.xaml.cs" />
     <Compile Include="ExceptionHandler\ExceptionViewModel.cs" />
@@ -240,6 +241,7 @@
       <DependentUpon>Resources.resx</DependentUpon>
     </Compile>
     <None Include="app.config" />
+    <EmbeddedResource Include="Demo\Demo.docx" />
     <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
@@ -317,6 +319,9 @@
   <ItemGroup>
     <Resource Include="Icons\fff.png" />
   </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Icons\d.png" />
+  </ItemGroup>
   <PropertyGroup>
     <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
     <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>