/// <summary>
/// Edit the selected plug-in's project configuration
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void btnConfigure_Click(object sender, EventArgs e)
{
PlugInConfiguration plugInConfig;
string newConfig, currentConfig,
key = (string)lbProjectPlugIns.SelectedItem;
if (PlugInManager.IsSupported(key))
{
PlugInInfo info = PlugInManager.PlugIns[key];
using (IPlugIn plugIn = info.NewInstance())
{
plugInConfig = currentConfigs[key];
currentConfig = plugInConfig.Configuration;
newConfig = plugIn.ConfigurePlugIn(currentConfigs.ProjectFile,
currentConfig);
}
// Only store it if new or if it changed
if (currentConfig != newConfig)
{
plugInConfig.Configuration = newConfig;
}
}
else
{
MessageBox.Show("The selected plug-in either does not exist " +
"or is of a version that is not compatible with this " +
"version of the help file builder and cannot be used.",
Constants.AppName, MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
private List <PlugInInfo> GetPlugInList()
{
// Create a List to hold the info for each plug-in
List <PlugInInfo> plugInList = new List <PlugInInfo>();
// Set Plug-In folder path to same directory level as Solution
string plugInFolderPath = System.IO.Path.Combine(Application.StartupPath, @"..\..\..\Plug-Ins");
// Test if the Plug-In folder exists
if (!Directory.Exists(plugInFolderPath))
{
// Plug-In Folder is missing, so try to create it
try
{ Directory.CreateDirectory(plugInFolderPath); }
catch
{ MessageBox.Show("Failed to create Plug-In folder", "Folder Creation Error:", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); }
}
try
{
// Create a catalog of plug-ins
var catalog = new DirectoryCatalog(plugInFolderPath, "*.dll");
AggregateCatalog plugInCatalog = new AggregateCatalog();
plugInCatalog.Catalogs.Add(catalog);
CompositionContainer container = new CompositionContainer(plugInCatalog);
// This line will fetch the metadata from each plug-in and populate LoadedPlugIns
container.ComposeParts(this);
// Save each Plug-Ins metadata
foreach (var plugin in LoadedPlugIns)
{
PlugInInfo info = new PlugInInfo();
info.PlugInTitle = plugin.Metadata.PlugInTitle;
info.PlugInDescription = plugin.Metadata.PlugInDescription;
info.PlugInVersion = plugin.Metadata.PlugInVersion;
info.PlugIn = plugin.Value;
plugInList.Add(info);
}
int index = 0;
// Extract icons from each Plug-In DLL and store in Plug-In list
foreach (var filePath in catalog.LoadedFiles)
{
plugInList[index].PlugInIcon = Icon.ExtractAssociatedIcon(filePath);
index++;
}
}
catch (FileNotFoundException fex)
{
Console.WriteLine("File not found exception : " + fex.Message);
}
catch (CompositionException cex)
{
Console.WriteLine("Composition exception : " + cex.Message);
}
catch (DirectoryNotFoundException dex)
{
Console.WriteLine("Directory not found exception : " + dex.Message);
}
return(plugInList);
}
/// <summary>
/// Update the plug-in details when the selected index changes
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void lbAvailablePlugIns_SelectedIndexChanged(object sender,
EventArgs e)
{
string key = (string)lbAvailablePlugIns.SelectedItem;
PlugInInfo info = PlugInManager.PlugIns[key];
txtPlugInCopyright.Text = info.Copyright;
txtPlugInVersion.Text = String.Format(CultureInfo.CurrentCulture,
"Version {0}", info.Version);
txtPlugInDescription.Text = info.Description;
}
void listView1_MouseDoubleClick(object sender, MouseEventArgs e)
{
// Get the Plug-In index number
int plugInNum = listView1.SelectedItems[0].Index;
PlugInInfo selectedPlugIn = AvailablePlugIns[plugInNum];
// Call the StartPlugIn method in the selected Plug-In.
// Lazy Instantiation will fully load the Assembly here
selectedPlugIn.PlugIn.StartPlugIn(this);
Console.WriteLine("Plug-In Title: {0}", selectedPlugIn.PlugInTitle);
Console.WriteLine("Plug-In Description: {0}", selectedPlugIn.PlugInDescription);
Console.WriteLine("Plug-In Version: {0}", selectedPlugIn.PlugInVersion);
Console.WriteLine();
}
/// <summary>
/// 初始化插件信息
/// </summary>
private void InitializePlugIns()
{
//读取已安装的插件信息
List <PlugInInfo> installedPlugIns = plugInAdmin.GetLocalPlugIns();
Framework.PlugIns.Clear();
for (int i = 0; i < installedPlugIns.Count; i++)
{
PlugInInfo infoTemp = installedPlugIns[i];
if (infoTemp.PlugInState == PlugInEnableState.Uninstall)
{
plugInAdmin.Uninstall(infoTemp);
continue;
}
IPlugIn plugIn = PlugInFactory.CreatePlugIn(installedPlugIns[i].PlugInData);
//Framework.PlugIns.Contains(plugIn,
Framework.PlugIns.Add(plugIn);
}
}
