public void Activate (Gdk.EventButton eb, Literal literal, Gtk.Menu popup_menu, bool is_popup)
{
//this.literal = literal;
/*MenuItem attach_item = new MenuItem (Catalog.GetString ("Find With"));
TagMenu attach_menu = new TagMenu (attach_item, MainWindow.Toplevel.Database.Tags);
attach_menu.TagSelected += literal.HandleAttachTagCommand;
attach_item.ShowAll ();
popup_menu.Append (attach_item);*/
if (literal.IsNegated) {
GtkUtil.MakeMenuItem (popup_menu,
String.Format (Catalog.GetString ("Include Photos Tagged \"{0}\""), literal.Tag.Name),
new EventHandler (literal.HandleToggleNegatedCommand),
true);
} else {
GtkUtil.MakeMenuItem (popup_menu,
String.Format (Catalog.GetString ("Exclude Photos Tagged \"{0}\""), literal.Tag.Name),
new EventHandler (literal.HandleToggleNegatedCommand),
true);
}
GtkUtil.MakeMenuItem (popup_menu, Catalog.GetString ("Remove From Search"),
"gtk-remove",
new EventHandler (literal.HandleRemoveCommand),
true);
if (is_popup) {
if (eb != null)
popup_menu.Popup (null, null, null, eb.Button, eb.Time);
else
popup_menu.Popup (null, null, null, 0, Gtk.Global.CurrentEventTime);
}
}
public LiteralMenu (MenuItem item, Literal literal)
{
popup = new LiteralPopup ();
this.literal = literal;
item.Submenu = this;
item.Activated += HandlePopulate;
}
public Term (Term parent, Literal after)
{
this.parent = parent;
if (parent != null) {
if (after == null)
parent.Add (this);
else
parent.SubTerms.Insert (parent.SubTerms.IndexOf (after) + 1, this);
}
}
private void InsertTerm (Term parent, Literal after)
{
if (Literal.FocusedLiterals.Count != 0) {
HandleLiteralsMoved (Literal.FocusedLiterals, parent, after);
// Prevent them from being removed again
Literal.FocusedLiterals = null;
}
else
InsertTerm (tag_selection_widget.TagHighlight, parent, after);
}
private void HandleRemoved (Literal group)
{
UpdateQuery ();
}
public ArrayList HangersOn (Literal term)
{
ArrayList w = new ArrayList ();
// Find separators that only exist because of this term
if (term.Parent != null) {
if (term.Parent.Count > 1)
{
if (term == term.Parent.Last)
w.Add (Children[WidgetPosition (term.Widget) - 1]);
else
w.Add (Children[WidgetPosition (term.Widget) + 1]);
}
else if (term.Parent.Count == 1)
{
if (term.Parent.Parent != null) {
if (term.Parent.Parent.Count > 1) {
if (term.Parent == term.Parent.Parent.Last)
w.Add (Children[WidgetPosition (term.Widget) - 1]);
else
w.Add (Children[WidgetPosition (term.Widget) + 1]);
}
}
}
}
return w;
}
private void HandleRemoving (Literal term)
{
foreach (Widget w in HangersOn (term))
Remove (w);
// Remove the term's widget
Remove (term.Widget);
}
private void HandleNegated (Literal group)
{
UpdateQuery ();
}
private void HandleAttachTag (Tag tag, Term parent, Literal after)
{
InsertTerm (new Tag [] {tag}, parent, after);
}
public static Term TermFromOperator (string op, Term parent, Literal after)
{
//Console.WriteLine ("finding type for operator {0}", op);
//op = op.Trim ();
op = op.ToLower ();
if (AndTerm.Operators.Contains (op)) {
//Console.WriteLine ("AND!");
return new AndTerm (parent, after);
} else if (OrTerm.Operators.Contains (op)) {
//Console.WriteLine ("OR!");
return new OrTerm (parent, after);
}
Console.WriteLine ("Do not have Term for operator {0}", op);
return null;
}
private void HandleLiteralsMoved (ArrayList literals, Term parent, Literal after)
{
preventUpdate = true;
foreach (Literal term in literals) {
Tag tag = term.Tag;
// Don't listen for it to be removed since we are
// moving it. We will update when we're done.
term.Removed -= HandleRemoved;
term.RemoveSelf ();
// Add it to where it was dropped
ArrayList groups = InsertTerm (new Tag[] {tag}, parent, after);
if (term.IsNegated)
foreach (Literal group in groups)
group.IsNegated = true;
}
preventUpdate = false;
UpdateQuery ();
}
//private Literal literal;
public void Activate (Gdk.EventButton eb, Literal literal)
{
Activate (eb, literal, new Gtk.Menu (), true);
}
public Literal (Term parent, Tag tag, Literal after) : base (parent, after) {
this.tag = tag;
}
public AbstractLiteral(Term parent, Literal after) : base (parent, after) {}
public OrTerm (Term parent, Literal after) : base (parent, after) {}
public static OrTerm FromTags(Tag [] from_tags)
{
if (from_tags == null || from_tags.Length == 0)
return null;
OrTerm or = new OrTerm(null, null);
foreach (Tag t in from_tags) {
Literal l = new Literal(t);
l.Parent = or;
}
return or;
}
public ArrayList InsertTerm (Tag [] tags, Term parent, Literal after)
{
int position;
if (after != null)
position = WidgetPosition (after.Widget) + 1;
else
position = Children.Length - 1;
ArrayList added = new ArrayList ();
foreach (Tag tag in tags) {
//Console.WriteLine ("Adding tag {0}", tag.Name);
// Don't put a tag into a Term twice
if (parent != Root && (parent.FindByTag (tag, true)).Count > 0)
continue;
if (parent.Count > 0) {
Widget sep = parent.SeparatorWidget ();
InsertWidget (position, sep);
position++;
}
// Encapsulate new OR terms within a new AND term of which they are the
// only member, so later other terms can be AND'd with them
//
// TODO should really see what type of term the parent is, and
// encapsulate this term in a term of the opposite type. This will
// allow the query system to be expanded to work for multiple levels much easier.
if (parent == rootTerm) {
parent = new AndTerm (rootTerm, after);
after = null;
}
Literal term = new Literal (parent, tag, after);
term.TermAdded += HandleTermAdded;
term.LiteralsMoved += HandleLiteralsMoved;
term.AttachTag += HandleAttachTag;
term.NegatedToggled += HandleNegated;
term.Removing += HandleRemoving;
term.Removed += HandleRemoved;
term.RequireTag += Require;
term.UnRequireTag += UnRequire;
added.Add (term);
// Insert this widget into the appropriate place in the hbox
InsertWidget (position, term.Widget);
}
UpdateQuery ();
return added;
}
private void HandleTermAdded (Term parent, Literal after)
{
InsertTerm (parent, after);
}