Пример #1
0
        FindInFilesDialog(bool showReplace)
        {
            Build();
            IdeTheme.ApplyTheme(this);

            properties = PropertyService.Get("MonoDevelop.FindReplaceDialogs.SearchOptions", new Properties());
            SetButtonIcon(toggleReplaceInFiles, "gtk-find-and-replace");
            SetButtonIcon(toggleFindInFiles, "gtk-find");

            // If we have an active floating window, attach the dialog to it. Otherwise use the main IDE window.
            var current_toplevel = Gtk.Window.ListToplevels().FirstOrDefault(x => x.IsActive);

            if (current_toplevel is Components.DockNotebook.DockWindow)
            {
                TransientFor = current_toplevel;
            }
            else
            {
                TransientFor = IdeApp.Workbench.RootWindow;
            }

            toggleReplaceInFiles.Active = showReplace;
            toggleFindInFiles.Active    = !showReplace;

            toggleFindInFiles.Toggled += delegate {
                if (toggleFindInFiles.Active)
                {
                    Title = GettextCatalog.GetString("Find in Files");
                    HideReplaceUI();
                }
            };

            toggleReplaceInFiles.Toggled += delegate {
                if (toggleReplaceInFiles.Active)
                {
                    Title = GettextCatalog.GetString("Replace in Files");
                    ShowReplaceUI();
                }
            };

            buttonSearch.Clicked += HandleSearchClicked;
            buttonClose.Clicked  += (sender, e) => Destroy();
            DeleteEvent          += (o, args) => Destroy();
            buttonSearch.GrabDefault();

            buttonStop.Clicked += ButtonStopClicked;
            var scopeStore = new ListStore(typeof(string));

            var workspace = IdeApp.Workspace;

            if (workspace != null && workspace.GetAllSolutions().Count() == 1)
            {
                scopeStore.AppendValues(GettextCatalog.GetString("Whole solution"));
            }
            else
            {
                scopeStore.AppendValues(GettextCatalog.GetString("All solutions"));
            }
            scopeStore.AppendValues(GettextCatalog.GetString("Current project"));
            scopeStore.AppendValues(GettextCatalog.GetString("All open files"));
            scopeStore.AppendValues(GettextCatalog.GetString("Directories"));
            scopeStore.AppendValues(GettextCatalog.GetString("Current document"));
            scopeStore.AppendValues(GettextCatalog.GetString("Selection"));
            comboboxScope.Model = scopeStore;

            comboboxScope.Changed += HandleScopeChanged;

            InitFromProperties();

            if (showReplace)
            {
                toggleReplaceInFiles.Toggle();
            }
            else
            {
                toggleFindInFiles.Toggle();
            }

            if (IdeApp.Workbench.ActiveDocument != null)
            {
                var view = IdeApp.Workbench.ActiveDocument.Editor;
                if (view != null)
                {
                    string selectedText = FormatPatternToSelectionOption(view.SelectedText, properties.Get("RegexSearch", false));
                    if (!string.IsNullOrEmpty(selectedText))
                    {
                        if (selectedText.Any(c => c == '\n' || c == '\r'))
                        {
//							comboboxScope.Active = ScopeSelection;
                        }
                        else
                        {
                            if (comboboxScope.Active == (int)SearchScope.Selection)
                            {
                                comboboxScope.Active = (int)SearchScope.CurrentDocument;
                            }
                            comboboxentryFind.Entry.Text = selectedText;
                        }
                    }
                    else if (comboboxScope.Active == (int)SearchScope.Selection)
                    {
                        comboboxScope.Active = (int)SearchScope.CurrentDocument;
                    }
                }
            }
            comboboxentryFind.Entry.SelectRegion(0, comboboxentryFind.ActiveText.Length);
            comboboxentryFind.GrabFocus();
            DeleteEvent += delegate { Destroy(); };
            UpdateStopButton();
            UpdateSensitivity();
            if (!buttonSearch.Sensitive)
            {
                comboboxScope.Active = (int)SearchScope.Directories;
            }

            Child.Show();
            updateTimer = GLib.Timeout.Add(750, delegate {
                UpdateSensitivity();
                return(true);
            });
        }
Пример #2
0
        public bool Run(AlertDialogData data)
        {
            using (var alert = new NSAlert()) {
                alert.Window.Title = data.Title ?? BrandingService.ApplicationName;
                IdeTheme.ApplyTheme(alert.Window);

                bool stockIcon;
                if (data.Message.Icon == MonoDevelop.Ide.Gui.Stock.Error || data.Message.Icon == Gtk.Stock.DialogError)
                {
                    alert.AlertStyle = NSAlertStyle.Critical;
                    stockIcon        = true;
                }
                else if (data.Message.Icon == MonoDevelop.Ide.Gui.Stock.Warning || data.Message.Icon == Gtk.Stock.DialogWarning)
                {
                    alert.AlertStyle = NSAlertStyle.Critical;
                    stockIcon        = true;
                }
                else
                {
                    alert.AlertStyle = NSAlertStyle.Informational;
                    stockIcon        = data.Message.Icon == MonoDevelop.Ide.Gui.Stock.Information;
                }

                if (!stockIcon && !string.IsNullOrEmpty(data.Message.Icon))
                {
                    var img = ImageService.GetIcon(data.Message.Icon, Gtk.IconSize.Dialog);
                    // HACK: The icon is not rendered in dark mode (VibrantDark or DarkAqua) correctly.
                    //       Use light variant and reder it here.
                    // TODO: Recheck rendering issues with DarkAqua on final Mojave
                    if (IdeTheme.UserInterfaceTheme == Theme.Dark)
                    {
                        alert.Icon = img.WithStyles("-dark").ToBitmap(GtkWorkarounds.GetScaleFactor()).ToNSImage();
                    }
                    else
                    {
                        alert.Icon = img.ToNSImage();
                    }
                }
                else
                {
                    //for some reason the NSAlert doesn't pick up the app icon by default
                    alert.Icon = NSApplication.SharedApplication.ApplicationIconImage;
                }

                alert.MessageText = data.Message.Text;

                int accessoryViewItemsCount = data.Options.Count;

                string secondaryText = data.Message.SecondaryText ?? string.Empty;
                if (TryGetMessageView(secondaryText, out NSView messageView))
                {
                    accessoryViewItemsCount++;
                }
                else
                {
                    alert.InformativeText = secondaryText;
                }

                var accessoryViews      = accessoryViewItemsCount > 0 ? new NSView [accessoryViewItemsCount] : null;
                int accessoryViewsIndex = 0;

                if (messageView != null)
                {
                    accessoryViews [accessoryViewsIndex++] = messageView;
                }

                var buttons = data.Buttons.Reverse().ToList();

                for (int i = 0; i < buttons.Count - 1; i++)
                {
                    if (i == data.Message.DefaultButton)
                    {
                        var next = buttons[i];
                        for (int j = buttons.Count - 1; j >= i; j--)
                        {
                            var tmp = buttons[j];
                            buttons[j] = next;
                            next       = tmp;
                        }
                        break;
                    }
                }

                var wrappers = new List <AlertButtonWrapper> (buttons.Count);
                foreach (var button in buttons)
                {
                    var label = button.Label;
                    if (button.IsStockButton)
                    {
                        label = Gtk.Stock.Lookup(label).Label;
                    }
                    label = label.Replace("_", "");

                    //this message seems to be a standard Mac message since alert handles it specially
                    if (button == AlertButton.CloseWithoutSave)
                    {
                        label = GettextCatalog.GetString("Don't Save");
                    }

                    var nsbutton      = alert.AddButton(label);
                    var wrapperButton = new AlertButtonWrapper(nsbutton, data.Message, button, alert);
                    wrappers.Add(wrapperButton);
                    nsbutton.Target = wrapperButton;
                    nsbutton.Action = new ObjCRuntime.Selector("buttonActivatedAction");
                }

                NSButton [] optionButtons = null;
                if (data.Options.Count > 0)
                {
                    optionButtons = new NSButton [data.Options.Count];

                    for (int i = data.Options.Count - 1; i >= 0; i--)
                    {
                        var option = data.Options[i];
                        var button = new NSButton {
                            Title = option.Text,
                            Tag   = i,
                            State = option.Value? NSCellStateValue.On : NSCellStateValue.Off,
                        };
                        button.SetButtonType(NSButtonType.Switch);
                        button.SizeToFit();
                        optionButtons [i] = button;
                        accessoryViews [accessoryViewsIndex++] = button;
                    }
                }

                var accessoryView = ArrangeAccessoryViews(accessoryViews);
                if (accessoryView != null)
                {
                    if (accessoryViews?[0] == messageView)
                    {
                        accessoryView.SetCustomSpacing(accessoryView.Spacing * 2, messageView);
                        var size = accessoryView.Frame.Size;
                        size.Height += accessoryView.Spacing;
                        accessoryView.SetFrameSize(size);
                    }
                    alert.AccessoryView = accessoryView;
                }

                NSButton applyToAllCheck = null;
                if (data.Message.AllowApplyToAll)
                {
                    alert.ShowsSuppressionButton = true;
                    applyToAllCheck       = alert.SuppressionButton;
                    applyToAllCheck.Title = GettextCatalog.GetString("Apply to all");
                }

                // Hack up a slightly wider than normal alert dialog. I don't know how to do this in a nicer way
                // as the min size constraints are apparently ignored.
                var frame = alert.Window.Frame;
                alert.Window.SetFrame(new CGRect(frame.X, frame.Y, NMath.Max(frame.Width, 600), frame.Height), true);
                alert.Layout();

                bool completed = false;
                if (data.Message.CancellationToken.CanBeCanceled)
                {
                    data.Message.CancellationToken.Register(delegate {
                        alert.InvokeOnMainThread(() => {
                            if (!completed)
                            {
                                if (alert.Window.IsSheet && alert.Window.SheetParent != null)
                                {
                                    alert.Window.SheetParent.EndSheet(alert.Window);
                                }
                                else
                                {
                                    NSApplication.SharedApplication.AbortModal();
                                }
                            }
                        });
                    });
                }

                int response = -1000;

                var parent = data.TransientFor;
                if (parent == null && IdeApp.Workbench?.RootWindow?.Visible == true)
                {
                    parent = IdeApp.Workbench?.RootWindow;
                }
                NSWindow nativeParent;
                try {
                    nativeParent = parent;
                } catch (NotSupportedException) {
                    nativeParent = null;
                }
                if (!data.Message.CancellationToken.IsCancellationRequested)
                {
                    // sheeting is broken on High Sierra with dark NSAppearance
                    var sheet = IdeTheme.UserInterfaceTheme != Theme.Dark || MacSystemInformation.OsVersion != MacSystemInformation.HighSierra;

                    // We have an issue with accessibility when using sheets, so disable it here
                    sheet &= !IdeServices.DesktopService.AccessibilityInUse;

                    if (!sheet || nativeParent == null)
                    {
                        // Force the alert window to be focused for accessibility
                        NSApplication.SharedApplication.AccessibilityFocusedWindow = alert.Window;
                        alert.Window.AccessibilityFocused = true;

                        if (nativeParent != null)
                        {
                            nativeParent.AccessibilityFocused = false;
                        }

                        alert.Window.ReleasedWhenClosed = true;
                        response = (int)alert.RunModal();

                        // Focus the old window
                        NSApplication.SharedApplication.AccessibilityFocusedWindow = nativeParent;
                    }
                    else
                    {
                        alert.BeginSheet(nativeParent, (modalResponse) => {
                            response = (int)modalResponse;
                            NSApplication.SharedApplication.StopModal();
                        });

                        NSApplication.SharedApplication.RunModalForWindow(alert.Window);
                    }
                }

                var result = response - (long)(int)NSAlertButtonReturn.First;

                completed = true;

                if (result >= 0 && result < buttons.Count)
                {
                    data.ResultButton = buttons [(int)result];
                }
                else
                {
                    data.ResultButton = null;
                }

                if (data.ResultButton == null || data.Message.CancellationToken.IsCancellationRequested)
                {
                    data.SetResultToCancelled();
                }

                if (optionButtons != null)
                {
                    foreach (var button in optionButtons)
                    {
                        var option = data.Options[(int)button.Tag];
                        data.Message.SetOptionValue(option.Id, button.State != 0);
                    }
                }

                if (applyToAllCheck != null && applyToAllCheck.State != 0)
                {
                    data.ApplyToAll = true;
                }

                if (nativeParent != null)
                {
                    nativeParent.MakeKeyAndOrderFront(nativeParent);
                }
                else
                {
                    IdeServices.DesktopService.FocusWindow(parent);
                }
            }

            return(true);
        }
Пример #3
0
        public bool Run(AlertDialogData data)
        {
            using (var alert = new NSAlert()) {
                alert.Window.Title = data.Title ?? BrandingService.ApplicationName;
                IdeTheme.ApplyTheme(alert.Window);

                bool stockIcon;
                if (data.Message.Icon == MonoDevelop.Ide.Gui.Stock.Error || data.Message.Icon == Gtk.Stock.DialogError)
                {
                    alert.AlertStyle = NSAlertStyle.Critical;
                    stockIcon        = true;
                }
                else if (data.Message.Icon == MonoDevelop.Ide.Gui.Stock.Warning || data.Message.Icon == Gtk.Stock.DialogWarning)
                {
                    alert.AlertStyle = NSAlertStyle.Critical;
                    stockIcon        = true;
                }
                else
                {
                    alert.AlertStyle = NSAlertStyle.Informational;
                    stockIcon        = data.Message.Icon == MonoDevelop.Ide.Gui.Stock.Information;
                }

                if (!stockIcon && !string.IsNullOrEmpty(data.Message.Icon))
                {
                    var img = ImageService.GetIcon(data.Message.Icon, Gtk.IconSize.Dialog);
                    // HACK: VK The icon is not rendered in dark style correctly
                    //       Use light variant and reder it here
                    //       as long as NSAppearance.NameVibrantDark is broken
                    if (IdeTheme.UserInterfaceTheme == Theme.Dark)
                    {
                        alert.Icon = img.WithStyles("-dark").ToBitmap(GtkWorkarounds.GetScaleFactor()).ToNSImage();
                    }
                    else
                    {
                        alert.Icon = img.ToNSImage();
                    }
                }
                else
                {
                    //for some reason the NSAlert doesn't pick up the app icon by default
                    alert.Icon = NSApplication.SharedApplication.ApplicationIconImage;
                }

                alert.MessageText     = data.Message.Text;
                alert.InformativeText = data.Message.SecondaryText ?? "";

                var buttons = data.Buttons.Reverse().ToList();

                for (int i = 0; i < buttons.Count - 1; i++)
                {
                    if (i == data.Message.DefaultButton)
                    {
                        var next = buttons[i];
                        for (int j = buttons.Count - 1; j >= i; j--)
                        {
                            var tmp = buttons[j];
                            buttons[j] = next;
                            next       = tmp;
                        }
                        break;
                    }
                }

                var wrappers = new List <AlertButtonWrapper> (buttons.Count);
                foreach (var button in buttons)
                {
                    var label = button.Label;
                    if (button.IsStockButton)
                    {
                        label = Gtk.Stock.Lookup(label).Label;
                    }
                    label = label.Replace("_", "");

                    //this message seems to be a standard Mac message since alert handles it specially
                    if (button == AlertButton.CloseWithoutSave)
                    {
                        label = GettextCatalog.GetString("Don't Save");
                    }

                    var nsbutton      = alert.AddButton(label);
                    var wrapperButton = new AlertButtonWrapper(nsbutton, data.Message, button, alert);
                    wrappers.Add(wrapperButton);
                    nsbutton.Target = wrapperButton;
                    nsbutton.Action = new ObjCRuntime.Selector("buttonActivatedAction");
                }


                NSButton[] optionButtons = null;
                if (data.Options.Count > 0)
                {
                    var box = new MDBox(LayoutDirection.Vertical, 2, 2);
                    optionButtons = new NSButton[data.Options.Count];

                    for (int i = data.Options.Count - 1; i >= 0; i--)
                    {
                        var option = data.Options[i];
                        var button = new NSButton {
                            Title = option.Text,
                            Tag   = i,
                            State = option.Value? NSCellStateValue.On : NSCellStateValue.Off,
                        };
                        button.SetButtonType(NSButtonType.Switch);
                        optionButtons[i] = button;
                        box.Add(new MDAlignment(button, true)
                        {
                            XAlign = LayoutAlign.Begin
                        });
                    }

                    box.Layout();
                    alert.AccessoryView = box.View;
                }

                NSButton applyToAllCheck = null;
                if (data.Message.AllowApplyToAll)
                {
                    alert.ShowsSuppressionButton = true;
                    applyToAllCheck       = alert.SuppressionButton;
                    applyToAllCheck.Title = GettextCatalog.GetString("Apply to all");
                }

                // Hack up a slightly wider than normal alert dialog. I don't know how to do this in a nicer way
                // as the min size constraints are apparently ignored.
                var frame = alert.Window.Frame;
                alert.Window.SetFrame(new CGRect(frame.X, frame.Y, NMath.Max(frame.Width, 600), frame.Height), true);
                alert.Layout();

                bool completed = false;
                if (data.Message.CancellationToken.CanBeCanceled)
                {
                    data.Message.CancellationToken.Register(delegate {
                        alert.InvokeOnMainThread(() => {
                            if (!completed)
                            {
                                if (alert.Window.IsSheet && alert.Window.SheetParent != null)
                                {
                                    alert.Window.SheetParent.EndSheet(alert.Window);
                                }
                                else
                                {
                                    NSApplication.SharedApplication.AbortModal();
                                }
                            }
                        });
                    });
                }

                int response = -1000;

                if (!data.Message.CancellationToken.IsCancellationRequested)
                {
                    NSWindow parent = null;
                    if (IdeTheme.UserInterfaceTheme != Theme.Dark || MacSystemInformation.OsVersion < MacSystemInformation.HighSierra)                     // sheeting is broken on High Sierra with dark NSAppearance
                    {
                        parent = data.TransientFor ?? IdeApp.Workbench.RootWindow;
                    }

                    if (parent == null)
                    {
                        response = (int)alert.RunModal();
                    }
                    else
                    {
                        alert.BeginSheet(parent, (modalResponse) => {
                            response = (int)modalResponse;
                            NSApplication.SharedApplication.StopModal();
                        });

                        NSApplication.SharedApplication.RunModalForWindow(alert.Window);
                    }
                }

                var result = response - (long)(int)NSAlertButtonReturn.First;

                completed = true;

                if (result >= 0 && result < buttons.Count)
                {
                    data.ResultButton = buttons [(int)result];
                }
                else
                {
                    data.ResultButton = null;
                }

                if (data.ResultButton == null || data.Message.CancellationToken.IsCancellationRequested)
                {
                    data.SetResultToCancelled();
                }

                if (optionButtons != null)
                {
                    foreach (var button in optionButtons)
                    {
                        var option = data.Options[(int)button.Tag];
                        data.Message.SetOptionValue(option.Id, button.State != 0);
                    }
                }

                if (applyToAllCheck != null && applyToAllCheck.State != 0)
                {
                    data.ApplyToAll = true;
                }



                GtkQuartz.FocusWindow(data.TransientFor ?? MessageService.RootWindow);
            }

            return(true);
        }
Пример #4
0
 public override void Initialize(Xwt.Backends.ApplicationContext actx)
 {
     base.Initialize(actx);
     IdeTheme.ApplyTheme(this.Window);
 }
Пример #5
0
 public override void InitializeBackend(object frontend, Xwt.Backends.ApplicationContext context)
 {
     base.InitializeBackend(frontend, context);
     IdeTheme.ApplyTheme(this);
 }
Пример #6
0
        public override void LaunchDialogue()
        {
            //the Type in the collection
            IList  collection  = (IList)Value;
            string displayName = Property.DisplayName;

            //populate list with existing items
            ListStore itemStore = new ListStore(typeof(object), typeof(int), typeof(string));

            for (int i = 0; i < collection.Count; i++)
            {
                itemStore.AppendValues(collection [i], i, collection [i].ToString());
            }

            #region Building Dialogue

            TreeView     itemTree;
            PropertyGrid grid;
            TreeIter     previousIter = TreeIter.Zero;

            //dialogue and buttons
            var dialog = new Gtk.Dialog()
            {
                Title       = displayName + " Editor",
                Modal       = true,
                AllowGrow   = true,
                AllowShrink = true,
            };
            IdeTheme.ApplyTheme(dialog);
            var toplevel = this.Container.GetNativeWidget <Gtk.Widget> ().Toplevel as Gtk.Window;
            if (toplevel != null)
            {
                dialog.TransientFor = toplevel;
            }

            dialog.AddActionWidget(new Button(Stock.Cancel), ResponseType.Cancel);
            dialog.AddActionWidget(new Button(Stock.Ok), ResponseType.Ok);

            //three columns for items, sorting, PropGrid
            HBox hBox = new HBox();
            dialog.VBox.PackStart(hBox, true, true, 5);

            //propGrid at end
            grid = new PropertyGrid(base.EditorManager)
            {
                CurrentObject = null,
                WidthRequest  = 200,
                ShowHelp      = false
            };
            hBox.PackEnd(grid, true, true, 5);

            //followed by a ButtonBox
            VBox buttonBox = new VBox();
            buttonBox.Spacing = 6;
            hBox.PackEnd(buttonBox, false, false, 5);

            //add/remove buttons
            Button addButton = new Button(new ImageView(Stock.Add, IconSize.Button));
            buttonBox.PackStart(addButton, false, false, 0);
            if (types [0].IsAbstract)
            {
                addButton.Sensitive = false;
            }
            Button removeButton = new Button(new ImageView(Stock.Remove, IconSize.Button));
            buttonBox.PackStart(removeButton, false, false, 0);

            //sorting buttons
            Button upButton = new Button(new ImageView(Stock.GoUp, IconSize.Button));
            buttonBox.PackStart(upButton, false, false, 0);
            Button downButton = new Button(new ImageView(Stock.GoDown, IconSize.Button));
            buttonBox.PackStart(downButton, false, false, 0);

            //Third column has list (TreeView) in a ScrolledWindow
            ScrolledWindow listScroll = new ScrolledWindow();
            listScroll.WidthRequest  = 200;
            listScroll.HeightRequest = 320;
            hBox.PackStart(listScroll, false, false, 5);

            itemTree = new TreeView(itemStore);
            itemTree.Selection.Mode = SelectionMode.Single;
            itemTree.HeadersVisible = false;
            listScroll.AddWithViewport(itemTree);

            //renderers and attribs for TreeView
            CellRenderer rdr = new CellRendererText();
            itemTree.AppendColumn(new TreeViewColumn("Index", rdr, "text", 1));
            rdr = new CellRendererText();
            itemTree.AppendColumn(new TreeViewColumn("Object", rdr, "text", 2));

            #endregion

            #region Events

            addButton.Clicked += delegate {
                //create the object
                object instance = System.Activator.CreateInstance(types[0]);

                //get existing selection and insert after it
                TreeIter oldIter, newIter;
                if (itemTree.Selection.GetSelected(out oldIter))
                {
                    newIter = itemStore.InsertAfter(oldIter);
                }
                //or append if no previous selection
                else
                {
                    newIter = itemStore.Append();
                }
                itemStore.SetValue(newIter, 0, instance);

                //select, set name and update all the indices
                itemTree.Selection.SelectIter(newIter);
                UpdateName(itemStore, newIter);
                UpdateIndices(itemStore);
            };

            removeButton.Clicked += delegate {
                //get selected iter and the replacement selection
                TreeIter iter, newSelection;
                if (!itemTree.Selection.GetSelected(out iter))
                {
                    return;
                }

                newSelection = iter;
                if (!IterPrev(itemStore, ref newSelection))
                {
                    newSelection = iter;
                    if (!itemStore.IterNext(ref newSelection))
                    {
                        newSelection = TreeIter.Zero;
                    }
                }

                //new selection. Zeroing previousIter prevents trying to update name of deleted iter.
                previousIter = TreeIter.Zero;
                if (itemStore.IterIsValid(newSelection))
                {
                    itemTree.Selection.SelectIter(newSelection);
                }

                //and the removal and index update
                itemStore.Remove(ref iter);
                UpdateIndices(itemStore);
            };

            upButton.Clicked += delegate {
                TreeIter iter, prev;
                if (!itemTree.Selection.GetSelected(out iter))
                {
                    return;
                }

                //get previous iter
                prev = iter;
                if (!IterPrev(itemStore, ref prev))
                {
                    return;
                }

                //swap the two
                itemStore.Swap(iter, prev);

                //swap indices too
                object prevVal = itemStore.GetValue(prev, 1);
                object iterVal = itemStore.GetValue(iter, 1);
                itemStore.SetValue(prev, 1, iterVal);
                itemStore.SetValue(iter, 1, prevVal);
            };

            downButton.Clicked += delegate {
                TreeIter iter, next;
                if (!itemTree.Selection.GetSelected(out iter))
                {
                    return;
                }

                //get next iter
                next = iter;
                if (!itemStore.IterNext(ref next))
                {
                    return;
                }

                //swap the two
                itemStore.Swap(iter, next);

                //swap indices too
                object nextVal = itemStore.GetValue(next, 1);
                object iterVal = itemStore.GetValue(iter, 1);
                itemStore.SetValue(next, 1, iterVal);
                itemStore.SetValue(iter, 1, nextVal);
            };

            itemTree.Selection.Changed += delegate {
                TreeIter iter;
                if (!itemTree.Selection.GetSelected(out iter))
                {
                    removeButton.Sensitive = false;
                    return;
                }
                removeButton.Sensitive = true;

                //update grid
                object obj = itemStore.GetValue(iter, 0);
                grid.CurrentObject = obj;

                //update previously selected iter's name
                UpdateName(itemStore, previousIter);

                //update current selection so we can update
                //name next selection change
                previousIter = iter;
            };

            grid.Changed += delegate {
                TreeIter iter;
                if (itemTree.Selection.GetSelected(out iter))
                {
                    UpdateName(itemStore, iter);
                }
            };

            TreeIter selectionIter;
            removeButton.Sensitive = itemTree.Selection.GetSelected(out selectionIter);

            dialog.ShowAll();
            grid.ShowToolbar = false;

            #endregion

            //if 'OK' put items back in collection
            using (dialog) {
                if (MonoDevelop.Ide.MessageService.ShowCustomDialog(dialog, toplevel) == (int)ResponseType.Ok)
                {
                    DesignerTransaction tran = CreateTransaction(Instance);
                    object old = collection;

                    try {
                        collection.Clear();
                        foreach (object[] o in itemStore)
                        {
                            collection.Add(o [0]);
                        }
                        EndTransaction(Instance, tran, old, collection, true);
                    } catch {
                        EndTransaction(Instance, tran, old, collection, false);
                        throw;
                    }
                }
            }
        }