C# TreeStore.GetIter方法代码示例

//		IWorkbenchWindow workbenchWindow;
//		RegexToolkitWidget regexWidget;

		public ElementHelpWidget (IWorkbenchWindow workbenchWindow, RegexToolkitWidget regexWidget)
		{
//			this.workbenchWindow = workbenchWindow;
//			this.regexWidget = regexWidget;
			this.Build ();
			
			elementsStore = new Gtk.TreeStore (typeof(string), typeof(string), typeof(string), typeof(string));
			this.elementsTreeview.Model = this.elementsStore;
			this.elementsTreeview.HeadersVisible = false;
			this.elementsTreeview.Selection.Mode = SelectionMode.Browse;
			
			var col = new TreeViewColumn ();
			this.elementsTreeview.AppendColumn (col);
			var pix = new CellRendererPixbuf ();
			var cellRendText = new CellRendererText ();
			
			col.PackStart (pix, false);
			col.AddAttribute (pix, "stock_id", 0);
			col.PackStart (cellRendText, false);
			
			col.AddAttribute (cellRendText, "text", 1);
			
			var cellRendText2 = new CellRendererText ();
			col.PackStart (cellRendText2, true);
			col.SetCellDataFunc (cellRendText2, ElementDescriptionFunc);
			
			
//			this.elementsTreeview.Selection.Changed += delegate {
//				ShowTooltipForSelectedEntry ();
//			};
//			this.elementsTreeview.MotionNotifyEvent += HandleMotionNotifyEvent;
			
			this.elementsTreeview.RowActivated += delegate (object sender, RowActivatedArgs e) {
				Gtk.TreeIter iter;
				if (elementsStore.GetIter (out iter, e.Path)) {
					string text = elementsStore.GetValue (iter, 3) as string;
					if (!System.String.IsNullOrEmpty (text)) {
						regexWidget.InsertText (text);
						workbenchWindow.SwitchView (0);
					}
				}
			};
			this.LeaveNotifyEvent += delegate {
				this.HideTooltipWindow ();
			};
			FillElementsBox ();
			Show ();
		}

        void FormatTreeView(TreeStore treeStore)
        {
            treeView.HeadersVisible = false;
            treeView.EnableTreeLines = true;

            CellRendererToggle checkboxCellRenderer = new CellRendererToggle();
            checkboxCellRenderer.Activatable = true;
            checkboxCellRenderer.Toggled += delegate(object o, ToggledArgs args) 
            {
                TreeIter iter;      
                if (treeStore.GetIter(out iter, new TreePath(args.Path))) 
                {
                    PackageReferenceNode node = (PackageReferenceNode)treeStore.GetValue(iter, 0);              
                    node.State = !node.State;
                }
            };
            treeView.AppendColumn("CheckBox", checkboxCellRenderer);
            
            CellRendererText nameCellRenderer = new CellRendererText();
            treeView.AppendColumn("Name", nameCellRenderer);
            
            treeView.Columns[0].SetCellDataFunc(checkboxCellRenderer, new TreeCellDataFunc(RenderCheckBox));
            treeView.Columns[1].SetCellDataFunc(nameCellRenderer, new TreeCellDataFunc(RenderName));
        }

		public RegexToolkitWidget ()
		{
			this.Build ();
			optionsStore = new ListStore (typeof(bool), typeof(string), typeof(Options));
			resultStore = new Gtk.TreeStore (typeof(string), typeof(string), typeof(int), typeof(int));
			
			FillOptionsBox ();
			
			this.entryRegEx.Changed += UpdateStartButtonSensitivity;
			this.inputTextview.Buffer.Changed += UpdateStartButtonSensitivity;

			SetFindMode (true);
			
			var cellRendText = new CellRendererText ();
			cellRendText.Ellipsize = Pango.EllipsizeMode.End;
			
			this.optionsTreeview.Model = this.optionsStore;
			this.optionsTreeview.HeadersVisible = false;
			
			CellRendererToggle cellRendToggle = new CellRendererToggle ();
			cellRendToggle.Toggled += new ToggledHandler (OptionToggled);
			cellRendToggle.Activatable = true;
			this.optionsTreeview.AppendColumn ("", cellRendToggle, "active", 0);
			this.optionsTreeview.AppendColumn ("", cellRendText, "text", 1);
			
			this.resultsTreeview.Model = this.resultStore;
			this.resultsTreeview.HeadersVisible = false;
			var col = new TreeViewColumn ();
			this.resultsTreeview.AppendColumn (col);
			var pix = new CellRendererImage ();
			
			col.PackStart (pix, false);
			col.AddAttribute (pix, "stock_id", 0);
			col.PackStart (cellRendText, true);
			col.AddAttribute (cellRendText, "text", 1);
			
			this.resultsTreeview.RowActivated += delegate(object sender, RowActivatedArgs e) {
				Gtk.TreeIter iter;
				if (resultStore.GetIter (out iter, e.Path)) {
					int index = (int)resultStore.GetValue (iter, 2);
					int length = (int)resultStore.GetValue (iter, 3);
					if (index >= 0) {
						this.inputTextview.Buffer.SelectRange (this.inputTextview.Buffer.GetIterAtOffset (index),
						                                       this.inputTextview.Buffer.GetIterAtOffset (index + length));
					} else {
						this.inputTextview.Buffer.SelectRange (this.inputTextview.Buffer.GetIterAtOffset (0), this.inputTextview.Buffer.GetIterAtOffset (0));
					}
				}
			};
			
			this.entryReplace.Sensitive = this.checkbuttonReplace.Active = false;
			this.entryReplace.Changed += delegate {
				UpdateRegex ();
			};
			this.checkbuttonReplace.Toggled += delegate {
				this.entryReplace.Sensitive = this.checkbuttonReplace.Active;
				UpdateRegex ();
			};
			this.expandMatches.Toggled += delegate {
				UpdateRegex ();
			};
			this.vbox4.WidthRequest = 380;
			this.scrolledwindow5.HeightRequest = 150;
			this.scrolledwindow1.HeightRequest = 150;
			Show ();
		}

		public RegexToolkitWidget ()
		{
			this.Build ();
			optionsStore = new ListStore (typeof(bool), typeof(string), typeof(Options));
			resultStore = new Gtk.TreeStore (typeof(string), typeof(string), typeof(int), typeof(int));
			
			FillOptionsBox ();
			
			this.buttonStart.Sensitive = false;
			this.entryRegEx.Changed += UpdateStartButtonSensitivity;
			this.inputTextview.Buffer.Changed += UpdateStartButtonSensitivity;
			
			this.buttonStart.Clicked += delegate {
				if (regexThread != null && regexThread.IsAlive) {
					regexThread.Abort ();
					regexThread.Join ();
					SetButtonStart (GettextCatalog.GetString ("Start Regular E_xpression"), "gtk-execute");
					regexThread = null;
					return;
				}
				
				regexThread = new Thread (delegate() {
					PerformQuery (inputTextview.Buffer.Text, this.entryRegEx.Text, this.entryReplace.Text, GetOptions ());
				});
				
				regexThread.IsBackground = true;
				regexThread.Name = "regex thread";
				regexThread.Start ();
				SetButtonStart (GettextCatalog.GetString ("Stop e_xecution"), "gtk-media-stop");
				
				SetFindMode (!checkbuttonReplace.Active);
			};
			
			SetFindMode (true);
			
			var cellRendText = new CellRendererText ();
			cellRendText.Ellipsize = Pango.EllipsizeMode.End;
			
			this.optionsTreeview.Model = this.optionsStore;
			this.optionsTreeview.HeadersVisible = false;
			
			CellRendererToggle cellRendToggle = new CellRendererToggle ();
			cellRendToggle.Toggled += new ToggledHandler (OptionToggled);
			cellRendToggle.Activatable = true;
			this.optionsTreeview.AppendColumn ("", cellRendToggle, "active", 0);
			this.optionsTreeview.AppendColumn ("", cellRendText, "text", 1);
			
			this.resultsTreeview.Model = this.resultStore;
			this.resultsTreeview.HeadersVisible = false;
			var col = new TreeViewColumn ();
			this.resultsTreeview.AppendColumn (col);
			var pix = new CellRendererImage ();
			
			col.PackStart (pix, false);
			col.AddAttribute (pix, "stock_id", 0);
			col.PackStart (cellRendText, true);
			col.AddAttribute (cellRendText, "text", 1);
			
			this.resultsTreeview.RowActivated += delegate(object sender, RowActivatedArgs e) {
				Gtk.TreeIter iter;
				if (resultStore.GetIter (out iter, e.Path)) {
					int index = (int)resultStore.GetValue (iter, 2);
					int length = (int)resultStore.GetValue (iter, 3);
					if (index >= 0) {
						this.inputTextview.Buffer.SelectRange (this.inputTextview.Buffer.GetIterAtOffset (index),
						                                       this.inputTextview.Buffer.GetIterAtOffset (index + length));
					} else {
						this.inputTextview.Buffer.SelectRange (this.inputTextview.Buffer.GetIterAtOffset (0), this.inputTextview.Buffer.GetIterAtOffset (0));
					}
				}
			};
			
			this.entryReplace.Sensitive = this.checkbuttonReplace.Active = false;
			this.checkbuttonReplace.Toggled += delegate {
				this.entryReplace.Sensitive = this.checkbuttonReplace.Active;
			};
			this.vbox4.WidthRequest = 380;
			this.scrolledwindow5.HeightRequest = 150;
			this.scrolledwindow1.HeightRequest = 150;
			Show ();
		}

		public RegexToolkitWindow () : base(Gtk.WindowType.Toplevel)
		{
			this.Build ();
			this.TransientFor = IdeApp.Workbench.RootWindow;
			optionsStore = new ListStore (typeof(bool), typeof(string), typeof(Options));
			resultStore = new Gtk.TreeStore (typeof(string), typeof(string), typeof(int), typeof(int));
			
			FillOptionsBox ();
			
			this.buttonCancel.Clicked += delegate {
				this.Destroy ();
			};
			
			var isWindows = System.IO.Path.DirectorySeparatorChar == '\\';
			this.buttonLibrary.Visible = !isWindows;
			this.buttonStart.Sensitive = false;
			this.entryRegEx.Changed += UpdateStartButtonSensitivity;
			this.inputTextview.Buffer.Changed += UpdateStartButtonSensitivity;
			
			this.buttonStart.Clicked += delegate {
				if (regexThread != null && regexThread.IsAlive) {
					regexThread.Abort ();
					regexThread.Join ();
					SetButtonStart (GettextCatalog.GetString ("_Start Regular Expression"), "gtk-media-play");
					regexThread = null;
					return;
				}
				
				regexThread = new Thread (delegate() {
					PerformQuery (inputTextview.Buffer.Text, this.entryRegEx.Text, this.entryReplace.Text, GetOptions ());
				});
				
				regexThread.IsBackground = true;
				regexThread.Name = "regex thread";
				regexThread.Start ();
				SetButtonStart (GettextCatalog.GetString ("_Stop execution"), "gtk-media-stop");
				
				SetFindMode (!checkbuttonReplace.Active);
			};
			
			this.buttonLibrary.Clicked += delegate {
				if (regexLib == null) {
					regexLib = new RegexLibraryWindow ();
					regexLib.TransientFor = this;
					regexLib.Destroyed += delegate {
						regexLib = null;
					};
					regexLib.Show ();
				}
			};
			
			SetFindMode (true);
			
			var cellRendText = new CellRendererText ();
			cellRendText.Ellipsize = Pango.EllipsizeMode.End;
			var pix = new CellRendererPixbuf ();
			
			this.optionsTreeview.Model = this.optionsStore;
			this.optionsTreeview.HeadersVisible = false;
			
			CellRendererToggle cellRendToggle = new CellRendererToggle ();
			cellRendToggle.Toggled += new ToggledHandler (OptionToggled);
			cellRendToggle.Activatable = true;
			this.optionsTreeview.AppendColumn ("", cellRendToggle, "active", 0);
			this.optionsTreeview.AppendColumn ("", cellRendText, "text", 1);
			
			this.resultsTreeview.Model = this.resultStore;
			this.resultsTreeview.HeadersVisible = false;
			var col = new TreeViewColumn ();
			this.resultsTreeview.AppendColumn (col);
			col.PackStart (pix, false);
			col.AddAttribute (pix, "stock_id", 0);
			col.PackStart (cellRendText, true);
			col.AddAttribute (cellRendText, "text", 1);
			
			this.resultsTreeview.RowActivated += delegate(object sender, RowActivatedArgs e) {
				Gtk.TreeIter iter;
				if (resultStore.GetIter (out iter, e.Path)) {
					int index = (int)resultStore.GetValue (iter, 2);
					int length = (int)resultStore.GetValue (iter, 3);
					if (index >= 0) {
						this.inputTextview.Buffer.SelectRange (this.inputTextview.Buffer.GetIterAtOffset (index),
						                                       this.inputTextview.Buffer.GetIterAtOffset (index + length));
					} else {
						this.inputTextview.Buffer.SelectRange (this.inputTextview.Buffer.GetIterAtOffset (0), this.inputTextview.Buffer.GetIterAtOffset (0));
					}
				}
			};
			
			elementsStore = new Gtk.TreeStore (typeof(string), typeof(string), typeof(string), typeof(string));
			this.elementsTreeview.Model = this.elementsStore;
			this.elementsTreeview.HeadersVisible = false;
			this.elementsTreeview.Selection.Mode = SelectionMode.Browse;
			
			col = new TreeViewColumn ();
			this.elementsTreeview.AppendColumn (col);
			col.PackStart (pix, false);
			col.AddAttribute (pix, "stock_id", 0);
			col.PackStart (cellRendText, true);
			
//.........这里部分代码省略.........

        public AddinView()
        {
            var hbox = new HBox () { Spacing = 6 };

            var filter_label = new Label (Catalog.GetString ("Show:"));
            var filter_combo = new ComboBoxText ();
            filter_combo.AppendText (Catalog.GetString ("All"));
            filter_combo.AppendText (Catalog.GetString ("Enabled"));
            filter_combo.AppendText (Catalog.GetString ("Not Enabled"));
            filter_combo.Active = 0;

            var search_label = new Label (Catalog.GetString ("Search:"));
            var search_entry = new Banshee.Widgets.SearchEntry () {
                WidthRequest = 160,
                Visible = true,
                Ready = true
            };

            hbox.PackStart (filter_label, false, false, 0);
            hbox.PackStart (filter_combo, false, false, 0);
            hbox.PackEnd   (search_entry, false, false, 0);
            hbox.PackEnd   (search_label, false, false, 0);

            var model = new TreeStore (typeof(bool), typeof(bool), typeof (string), typeof (Addin));

            var addins = AddinManager.Registry.GetAddins ().Where (a => { return
                a.Name != a.Id && a.Description != null &&
                !String.IsNullOrEmpty (a.Description.Category) && !a.Description.Category.StartsWith ("required:") &&
                (!a.Description.Category.Contains ("Debug") || ApplicationContext.Debugging);
            });

            var categorized_addins = addins.GroupBy<Addin, string> (a => a.Description.Category)
                                           .Select (c => new {
                                                Addins = c.OrderBy (a => Catalog.GetString (a.Name)).ToList (),
                                                Name = c.Key,
                                                NameLocalized = Catalog.GetString (c.Key) })
                                           .OrderBy (c => c.NameLocalized)
                                           .ToList ();

            tree_view = new TreeView () {
                FixedHeightMode = false,
                HeadersVisible = false,
                SearchColumn = 1,
                RulesHint = true,
                Model = model
            };

            var update_model = new System.Action (() => {
                string search = search_entry.Query;
                bool? enabled = filter_combo.Active > 0 ? (bool?) (filter_combo.Active == 1 ? true : false) : null;
                model.Clear ();
                foreach (var cat in categorized_addins) {
                    var cat_iter = model.AppendValues (false, false, String.Format ("<b>{0}</b>", GLib.Markup.EscapeText (cat.NameLocalized)), null);
                    bool any = false;
                    foreach (var a in cat.Addins.Matching (search)) {
                        if (enabled == null || (a.Enabled == enabled.Value)) {
                            model.AppendValues (cat_iter, true,
                                a.Enabled,
                                String.Format (
                                    "<b>{0}</b>\n<small>{1}</small>",
                                    GLib.Markup.EscapeText (Catalog.GetString (a.Name)),
                                    GLib.Markup.EscapeText (Catalog.GetString (a.Description.Description))),
                                a
                            );
                            any = true;
                        }
                    }

                    if (!any) {
                        model.Remove (ref cat_iter);
                    }
                }
                tree_view.ExpandAll ();
            });

            var txt_cell = new CellRendererText () { WrapMode = Pango.WrapMode.Word };
            tree_view.AppendColumn ("Name", txt_cell , "markup", Columns.Name);

            var check_cell = new CellRendererToggle () { Activatable = true };
            tree_view.AppendColumn ("Enable", check_cell, "visible", Columns.IsAddin, "active", Columns.IsEnabled);
            check_cell.Toggled += (o, a) => {
                TreeIter iter;
                if (model.GetIter (out iter, new TreePath (a.Path))) {
                    var addin = model.GetValue (iter, 3) as Addin;
                    bool enabled = (bool) model.GetValue (iter, 1);
                    addin.Enabled = !enabled;
                    model.SetValue (iter, 1, addin.Enabled);
                    model.Foreach (delegate (ITreeModel current_model, TreePath path, TreeIter current_iter) {
                        var an = current_model.GetValue (current_iter, 3) as Addin;
                        if (an != null) {
                            current_model.SetValue (current_iter, 1, an.Enabled);
                        }
                        return false;
                    });
                }
            };

            update_model ();
            search_entry.Changed += (o, a) => update_model ();
            filter_combo.Changed += (o, a) => update_model ();
//.........这里部分代码省略.........

    void CreateTreeView()
    {
         //CreateColumns
        TreeViewColumn col = new TreeViewColumn ();
        CellRendererText cell = new CellRendererText ();
        cell.Editable = true;
        col.Title = "Nodes";
        col.PackStart (cell, true);
        col.AddAttribute (cell, "text", 0);
        treeview1.AppendColumn (col);

        TreeViewColumn col2 = new TreeViewColumn ();
        CellRendererText cell2 = new CellRendererText ();
        cell2.Editable = true;
        col2.Title = "Url";
        col2.PackStart (cell2, true);
        col2.AddAttribute (cell2, "text", 1);
        col2.Visible = false;
        treeview1.AppendColumn (col2);
        treeview1.HeadersVisible = false;

        //Add Store
        treestore = new TreeStore (typeof(string), typeof(string));
        treeview1.Model = treestore;        

        cell.Edited +=  (o, args) => {
            Gtk.TreeIter iter;
            treestore.GetIter (out iter, new Gtk.TreePath (args.Path));

            String newvalue = (String)treestore.GetValue (iter, 0);
            Console.WriteLine (newvalue); 

            treestore.SetValue (iter, 0, args.NewText);
            };

            cell2.Edited += (o, args) => {
                Gtk.TreeIter iter;
                treestore.GetIter (out iter, new Gtk.TreePath (args.Path));

                String newvalue = (String)treestore.GetValue (iter, 1);
                Console.WriteLine (newvalue); 

                treestore.SetValue (iter, 1, args.NewText);
            };

            TargetEntry[] ten = new TargetEntry[]{ new TargetEntry ("tree", TargetFlags.App, 1) };

        treeview1.EnableModelDragDest (ten, Gdk.DragAction.Move);
        treeview1.EnableModelDragSource (Gdk.ModifierType.Button1Mask, ten, Gdk.DragAction.Move);
        ShowAll ();

        treeview1.DragDataGet += (o, args) => {
            TreeModel model;
            ((TreeSelection)treeview1.Selection).GetSelected (out model, out SourceIter);
                args.SelectionData.Set (args.SelectionData.Target, 8,   Encoding.UTF8.GetBytes (model.GetValue (SourceIter, 0).ToString ()));
            };

        treeview1.DragDataReceived += Tree_DragDataReceived;

        treeview1.ButtonPressEvent += Tree_ButtonPressEvent;
    }

		public NoteRenameDialog (IList<Note> notes, string oldTitle, Note renamedNote) :
			base (Catalog.GetString ("Rename Note Links?"), renamedNote.Window, 0)
		{
			this.DefaultResponse = ResponseType.Cancel;
			this.BorderWidth = 10;

			var renameButton = (Button)
				AddButton (Catalog.GetString ("_Rename Links"),
				           ResponseType.Yes);
			var dontRenameButton = (Button)
				AddButton (Catalog.GetString ("_Don't Rename Links"),
				           ResponseType.No);

			this.notes = notes;
			notesModel = new Gtk.TreeStore (typeof (bool), typeof (string), typeof (Note));
			foreach (var note in notes)
				notesModel.AppendValues (true, note.Title, note);

			var labelText = Catalog.GetString ("Rename links in other notes from \"<span underline=\"single\">{0}</span>\" " +
			                                   "to \"<span underline=\"single\">{1}</span>\"?\n\n" +
			                                   "If you do not rename the links, " +
			                                   "they will no longer link to anything.");
			var label = new Label ();
			label.UseMarkup = true;
			label.Markup = String.Format (labelText,
			                              GLib.Markup.EscapeText (oldTitle),
			                              GLib.Markup.EscapeText (renamedNote.Title));
			label.LineWrap = true;
			ContentArea.PackStart (label, false, true, 5);

			var notesView = new TreeView (notesModel);
			notesView.SetSizeRequest (-1, 200);
			var toggleCell = new CellRendererToggle ();
			toggleCell.Activatable = true;
			var column = new TreeViewColumn (Catalog.GetString ("Rename Links"),
			                                 toggleCell, "active", 0);
			column.SortColumnId = 0;
			column.Resizable = true;
			notesView.AppendColumn (column);
			toggleCell.Toggled += (o, args) => {
				TreeIter iter;
				if (!notesModel.GetIterFromString (out iter, args.Path))
					return;
				bool val = (bool) notesModel.GetValue (iter, 0);
				notesModel.SetValue (iter, 0, !val);
			};
			column = new TreeViewColumn (Catalog.GetString ("Note Title"),
			                             new CellRendererText (), "text", 1);
			column.SortColumnId = 1;
			column.Resizable = true;
			notesView.AppendColumn (column);

			notesView.RowActivated += (o, args) => {
				TreeIter iter;
				if (!notesModel.GetIter (out iter, args.Path))
					return;
				Note note = (Note) notesModel.GetValue (iter, 2);
				if (note != null) {
					note.Window.Present ();
					NoteFindBar find = note.Window.Find;
					find.ShowAll ();
					find.Visible = true;
					find.SearchText = "\"" + oldTitle + "\"";
				}
			};

			var notesBox = new VBox (false, 5);
			var selectAllButton = new Button ();
			// Translators: This button causes all notes in the list to be selected
			selectAllButton.Label = Catalog.GetString ("Select All");
			selectAllButton.Clicked += (o, e) => {
				notesModel.Foreach ((model, path, iter) => {
					notesModel.SetValue (iter, 0, true);
					return false;
				});
			};
			var selectNoneButton = new Button ();
			// Translators: This button causes all notes in the list to be unselected
			selectNoneButton.Label = Catalog.GetString ("Select None");
			selectNoneButton.Clicked += (o, e) => {
				notesModel.Foreach ((model, path, iter) => {
					notesModel.SetValue (iter, 0, false);
					return false;
				});
			};
			var notesButtonBox = new HButtonBox ();
			notesButtonBox.Add (selectNoneButton);
			notesButtonBox.Add (selectAllButton);
			notesButtonBox.Spacing = 5;
			notesButtonBox.LayoutStyle = ButtonBoxStyle.End;
			var notesScroll = new ScrolledWindow ();
			notesScroll.Add (notesView);
			notesBox.PackStart (notesScroll, true, true, 0);
			notesBox.PackStart (notesButtonBox, false, true, 0);

			var advancedExpander = new Expander (Catalog.GetString ("Ad_vanced"));
			var expandBox = new VBox ();
			expandBox.PackStart (notesBox, true, true, 0);
			alwaysShowDlgRadio = new RadioButton (Catalog.GetString ("Always show this _window"));
			alwaysShowDlgRadio.Clicked += (o, e) => {
//.........这里部分代码省略.........