private void tags_ItemRemoved(RaisingEventsList<FileTag> sender, RaisingEventsList<FileTag>.RaisingEventsListEventArgs e)
{
// Raise event
if (this.TagRemoved != null)
{
FileWithTagsEventArgs e2 = new FileWithTagsEventArgs(e.Item);
this.TagRemoved(this, e2);
}
// Unregister the tag's ValueChanging event
e.Item.ValueChanging -= this.tag_ValueChanging;
}
private void tags_ItemAdded(RaisingEventsList<FileTag> sender, RaisingEventsList<FileTag>.RaisingEventsListEventArgs e)
{
// Raise event
if (this.TagAdded != null)
{
FileWithTagsEventArgs e2 = new FileWithTagsEventArgs(e.Item);
this.TagAdded(this, e2);
}
// Subscribe to the ValueChanging event of the new tag
e.Item.ValueChanging += new ValueChangingHandler(this.tag_ValueChanging);
}
public FileWithTags()
{
this.fileName = "";
this.tags = new RaisingEventsList<FileTag>();
// Subscribe to the tags list events
this.tags.ItemAdding += new RaisingEventsList<FileTag>.RaisingEventsListEventsHandler(this.tags_ItemAdding);
this.tags.ItemAdded += new RaisingEventsList<FileTag>.RaisingEventsListEventsHandler(this.tags_ItemAdded);
this.tags.ItemRemoved += new RaisingEventsList<FileTag>.RaisingEventsListEventsHandler(this.tags_ItemRemoved);
this.tags.ItemRemoving += new RaisingEventsList<FileTag>.RaisingEventsListEventsHandler(this.tags_ItemRemoving);
this.tags.ItemChanging += new RaisingEventsList<FileTag>.RaisingEventsListEventsHandler(this.tags_ItemChanging);
}
private void tags_ItemChanging(RaisingEventsList<FileTag> sender, RaisingEventsList<FileTag>.RaisingEventsListEventArgs e)
{
}
private void tags_ItemAdding(RaisingEventsList<FileTag> sender, RaisingEventsList<FileTag>.RaisingEventsListEventArgs e)
{
// Don't allow duplicate tags to be added to the tags list
if (this.tags.Exists(e.Item.Compare))
e.Cancel = true;
}
private void tags_ItemRemoving(RaisingEventsList<FileTag> sender, RaisingEventsList<FileTag>.RaisingEventsListEventArgs e)
{
// Empty. Logic inside ItemRemoved
}
// ********************************************************************************* //
#endregion
#region Constructor
/// <summary>
/// Constrauctor: Initialize new instance of "TagFilesDatabase"
/// </summary>
public TagFilesDatabase()
{
this.files = new RaisingEventsList<FileWithTags>();
this.files.ItemAdded += new RaisingEventsList<FileWithTags>.RaisingEventsListEventsHandler(files_ItemAdded);
this.files.ItemRemoved += new RaisingEventsList<FileWithTags>.RaisingEventsListEventsHandler(files_ItemRemoved);
this.tags = new RaisingEventsList<FileTag>();
this.tags.ItemAdding += new RaisingEventsList<FileTag>.RaisingEventsListEventsHandler(tags_ItemAdding);
this.tags.ItemAdded += new RaisingEventsList<FileTag>.RaisingEventsListEventsHandler(tags_ItemAdded);
this.tags.ItemRemoving += new RaisingEventsList<FileTag>.RaisingEventsListEventsHandler(tags_ItemRemoving);
this.tags.ItemRemoved += new RaisingEventsList<FileTag>.RaisingEventsListEventsHandler(tags_ItemRemoved);
this.counters = new List<int>();
this.currentAction = DatabaseAction.Idle;
this.groupsNames.Add("ללא קבוצה");
this.groupsKeys.Add("*");
}
private void files_ItemAdded(RaisingEventsList<FileWithTags> sender, RaisingEventsList<FileWithTags>.RaisingEventsListEventArgs e)
{
// Set the action of the database
this.currentAction = DatabaseAction.AddingFile;
// Add the file's tags
FileWithTags file = e.Item;
foreach (FileTag tag in file.Tags)
{
this.addTag(tag.Value);
}
// If the file has no tags, add the Empty tag
if (file.Tags.Count == 0)
{
this.addTag("");
}
// Set the ending of the current action
this.currentAction = DatabaseAction.Idle;
// Register to the file's events
e.Item.TagAdded += new FileWithTags.FileWithTagsEventHandler(this.file_TagAdded);
e.Item.TagRemoved += new FileWithTags.FileWithTagsEventHandler(this.file_TagRemoved);
// Raise the DatabaseChange event
this.raiseEvent(DatabaseAction.AddingFile, file, null);
}
private void tags_ItemRemoved(RaisingEventsList<FileTag> sender, RaisingEventsList<FileTag>.RaisingEventsListEventArgs e)
{
// Unregister the tag's ValueChanging event
e.Item.ValueChanging -= this.tag_ValueChanging;
}
private void tags_ItemAdded(RaisingEventsList<FileTag> sender, RaisingEventsList<FileTag>.RaisingEventsListEventArgs e)
{
// Subscribe to the ValueChanging event of the new tag
e.Item.ValueChanging += new ValueChangingHandler(this.tag_ValueChanging);
}
private void tags_ItemAdding(RaisingEventsList<FileTag> sender, RaisingEventsList<FileTag>.RaisingEventsListEventArgs e)
{
if (this.currentAction == DatabaseAction.Idle)
throw new InvalidOperationException("This object is read-only");
}
