/// <summary>
/// Function to save the editor file.
/// </summary>
/// <param name="path">Path to the new file.</param>
/// <param name="plugIn">The plug-in used to save the file.</param>
public static void Save(string path, FileWriterPlugIn plugIn)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
if (string.IsNullOrWhiteSpace(path))
{
throw new ArgumentException(APIResources.GOREDIT_ERR_PARAMETER_MUST_NOT_BE_EMPTY, "path");
}
// We don't have a writer plug-in, at this point, that's not good.
if (plugIn == null)
{
throw new IOException(string.Format(APIResources.GOREDIT_ERR_NO_WRITER_PLUGIN, path));
}
// Write the meta data file to the file system.
EditorMetaDataFile.Save();
// Write the file.
if (!plugIn.Save(path))
{
return;
}
Filename = Path.GetFileName(path);
FilePath = path;
// Remove all changed items.
FileChanged = false;
}
/// <summary>
/// Function to save the current content.
/// </summary>
/// <param name="persistMetaData">[Optional] TRUE to persist the meta data for the file, FALSE to leave it.</param>
public static void Save(bool persistMetaData = true)
{
if ((Current == null) ||
(ContentFile == null))
{
return;
}
// Write the content out to the scratch file system.
using (var contentStream = ContentFile.OpenStream(true))
{
Current.Persist(contentStream);
}
// Save any metadata.
if (!persistMetaData)
{
return;
}
EditorMetaDataFile.Save();
if (ContentSaved == null)
{
return;
}
ContentSaved();
}
/// <summary>
/// Function to create a content object instance.
/// </summary>
/// <param name="plugIn">The plug-in to use when creating the content.</param>
/// <param name="settings">Settings to pass to the content.</param>
/// <param name="editorFile">Editor file that holds the content.</param>
/// <param name="recordDefaults">TRUE to record the default property values for the content, FALSE to treat as new property values.</param>
/// <returns>The new content object.</returns>
private static ContentObject CreateContentObjectInstance(ContentPlugIn plugIn, ContentSettings settings, EditorFile editorFile, bool recordDefaults)
{
ContentObject content = plugIn.CreateContentObject(settings);
content.OnCloseCurrent = CloseCurrentContent;
content.OnRenameContent = RenameCurrentContent;
content.OnPropertyRefreshed = ContentPropertyRefreshed;
content.OnChanged = ContentPropertyChanged;
content.OnReload = contentItem =>
{
if ((Current == null) ||
(contentItem != Current))
{
return;
}
Load(editorFile, ContentFile, plugIn, true);
};
content.OnCommit = contentItem =>
{
if ((Current == null) ||
(contentItem != Current))
{
return;
}
// Save the content and its metadata.
Save();
};
if ((content.HasProperties) &&
(recordDefaults))
{
content.SetDefaults();
}
content.ImageEditor = plugIn.GetRegisteredImageEditor();
if ((content.ImageEditor != null) &&
(string.IsNullOrWhiteSpace(PlugIns.DefaultImageEditorPlugIn)))
{
PlugIns.DefaultImageEditorPlugIn = content.ImageEditor.Name;
}
content.EditorFile = editorFile;
if (content.EditorFile != null)
{
// Indicate that this content is linked to another piece of content.
content.HasOwner = EditorMetaDataFile.HasFileLinks(editorFile);
}
return(content);
}
/// <summary>
/// Function to open the editor file.
/// </summary>
/// <param name="path">Path to the editor file.</param>
public static void Open(string path)
{
var packFileSystem = new GorgonFileSystem();
FileChanged = false;
// Add the new file system as a mount point.
var plugIns = from plugIn in Gorgon.PlugIns
where plugIn is GorgonFileSystemProviderPlugIn &&
!PlugIns.IsDisabled(plugIn)
select plugIn;
foreach (var plugIn in plugIns)
{
packFileSystem.Providers.LoadProvider(plugIn.Name);
}
if (!packFileSystem.Providers.Any(item => item.CanReadFile(path)))
{
throw new FileLoadException(string.Format(APIResources.GOREDIT_ERR_NO_READ_PROVIDERS,
Path.GetFileName(path)));
}
packFileSystem.Mount(path);
try
{
// Remove our previous scratch data.
ResetFile();
// At this point we should have a clean scratch area, so all files will exist in the packed file.
// Unpack the file structure so we can work with it.
var directories = packFileSystem.FindDirectories("*", true);
var files = packFileSystem.FindFiles("*", true);
// Create our directories.
foreach (var directory in directories)
{
ScratchArea.ScratchFiles.CreateDirectory(directory.FullPath);
}
// Copy our files.
foreach (var file in files)
{
using (var inputStream = packFileSystem.OpenStream(file, false))
{
using (var outputStream = ScratchArea.ScratchFiles.OpenStream(file.FullPath, true))
{
inputStream.CopyTo(outputStream);
}
}
}
FilePath = string.Empty;
Filename = Path.GetFileName(path);
// Load the meta data if it exists.
EditorMetaDataFile.Load();
// If we can't write the file, then leave the editor file path as blank.
// If the file path is blank, then the Save As function will be triggered if we attempt to save so we
// can save it in a format that we DO understand. This is of course assuming we have any plug-ins loaded
// that will allow us to save.
if (GetWriterPlugIn(path) != null)
{
FilePath = path;
}
}
catch
{
// We have a problem, reset whatever changes we've made.
ResetFile();
throw;
}
finally
{
// At this point we don't need this file system any more. We'll
// be using our scratch system instead.
packFileSystem.Clear();
}
}
/// <summary>
/// Function to reset the file data.
/// </summary>
private static void ResetFile()
{
ScratchArea.DestroyScratchArea();
ScratchArea.InitializeScratch();
EditorMetaDataFile.Reset();
}
