public void UpdateExpansions(NSOutlineView outlineView) { this.isExpanding = true; if (!String.IsNullOrWhiteSpace(this.dataSource.DataContext.FilterText)) { outlineView.ExpandItem(null, true); } else { foreach (IGrouping <string, EditorViewModel> g in this.dataSource.DataContext.ArrangedEditors) { NSObject item; if (!this.dataSource.TryGetFacade(g, out item)) { continue; } if (this.dataSource.DataContext.GetIsExpanded(g.Key)) { outlineView.ExpandItem(item); } else { outlineView.CollapseItem(item); } } } this.isExpanding = false; }
void UpdateStructure(ITreeNode newRoot) { void Rebind(NSNodeItem item, ITreeNode newNode) { nodeToItem.Remove(item.Node); item.Node = newNode; nodeToItem[newNode] = item; } void DeleteDescendantsFromMap(NSNodeItem item) { item.Children.ForEach(c => { Debug.Assert(nodeToItem.Remove(c.Node)); DeleteDescendantsFromMap(c); }); } var edits = TreeEdit.GetTreeEdits(rootItem.Node, newRoot); Rebind(rootItem, newRoot); foreach (var e in edits) { var node = nodeToItem[e.Node]; switch (e.Type) { case TreeEdit.EditType.Insert: var insertedNode = CreateItem(e.NewChild); node.Children.Insert(e.ChildIndex, insertedNode); treeView.InsertItems(new NSIndexSet(e.ChildIndex), ToObject(node), NSTableViewAnimation.None); break; case TreeEdit.EditType.Delete: var deletedNode = node.Children[e.ChildIndex]; node.Children.RemoveAt(e.ChildIndex); Debug.Assert(deletedNode == nodeToItem[e.OldChild]); nodeToItem.Remove(e.OldChild); treeView.RemoveItems(new NSIndexSet(e.ChildIndex), ToObject(node), NSTableViewAnimation.None); DeleteDescendantsFromMap(deletedNode); break; case TreeEdit.EditType.Reuse: treeView.ReloadItem(ToObject(node)); Rebind(nodeToItem[e.OldChild], e.NewChild); break; case TreeEdit.EditType.Expand: treeView.ExpandItem(ToObject(node), expandChildren: false); break; case TreeEdit.EditType.Collapse: treeView.CollapseItem(ToObject(node), collapseChildren: false); break; } } }
private void EnsureOpenOrClose(NSOutlineView outline, NSObjectFacade item, bool open) { if (open) { outline.ExpandItem(item); } else { outline.CollapseItem(item); } NSView view = GetViewForItem(outline, item, makeIfNeccessary: true); if (view.Subviews[0] is NSButton expander) { expander.State = (open) ? NSCellStateValue.On : NSCellStateValue.Off; } }
public void Execute(NSOutlineView treeView, bool playingDelayedOps) { switch (Type) { case NodeOpType.ExpandAll: treeView.ExpandItem(Target, true); break; case NodeOpType.Collapse: treeView.CollapseItem(Target, false); break; case NodeOpType.InvalidateNodeView: if (!playingDelayedOps) { treeView.NeedsDisplay = true; } break; } }
void UpdateStructure(ITreeNode newRoot) { void Rebind(NSNodeItem item, ITreeNode newNode) { nodeToItem.Remove(item.Node); item.Node = newNode; nodeToItem[newNode] = item; } void DeleteDescendantsFromMap(NSNodeItem item) { item.Children.ForEach(c => { Debug.Assert(nodeToItem.Remove(c.Node)); DeleteDescendantsFromMap(c); }); } var edits = TreeEdit.GetTreeEdits(rootItem.Node, newRoot, new TreeEdit.Options { TemporariltyExpandParentToInitChildren = true }); Rebind(rootItem, newRoot); foreach (var e in edits) { var node = nodeToItem[e.Node]; switch (e.Type) { case TreeEdit.EditType.Insert: var insertedNode = CreateItem(e.NewChild); node.Children.Insert(e.ChildIndex, insertedNode); using (var set = new NSIndexSet(e.ChildIndex)) treeView.InsertItems(set, ToObject(node), NSTableViewAnimation.None); break; case TreeEdit.EditType.Delete: var deletedNode = node.Children[e.ChildIndex]; node.Children.RemoveAt(e.ChildIndex); Debug.Assert(deletedNode == nodeToItem[e.OldChild]); nodeToItem.Remove(e.OldChild); using (var set = new NSIndexSet(e.ChildIndex)) treeView.RemoveItems(set, ToObject(node), NSTableViewAnimation.None); DeleteDescendantsFromMap(deletedNode); break; case TreeEdit.EditType.Reuse: var viewItem = nodeToItem [e.OldChild]; Rebind(viewItem, e.NewChild); treeView.ReloadItem(ToObject(viewItem), reloadChildren: false); if (owner.OnUpdateRowView != null) { var rowIdx = treeView.RowForItem(ToObject(viewItem)); var rowView = rowIdx >= 0 ? treeView.GetRowView(rowIdx, makeIfNecessary: false) : null; if (rowView != null) { owner.OnUpdateRowView(rowView, (Node)e.NewChild); } } break; case TreeEdit.EditType.Expand: treeView.ExpandItem(ToObject(node), expandChildren: false); break; case TreeEdit.EditType.Collapse: treeView.CollapseItem(ToObject(node), collapseChildren: false); break; } } }
/// <inheritdoc /> public override bool ShouldEditTableColumn(NSOutlineView outlineView, NSTableColumn tableColumn, NSObject item) { DebugDelegatePrint("***************** SHOULD EDIT CALLED"); var canEdit = MenuLayoutCommandGroup.EditLongNameCommand.CanExecute(ViewModel.HostPCMenuLayout); if (canEdit) { var treeNode = item as NSTreeNode; EditingColumn = (EditableOutlineViewColumn)outlineView.TableColumns().ToList().IndexOf(tableColumn); var editingObject = treeNode.RepresentedObject as FileNodeViewModel; string initialValue = null; int maxLength = -1; switch (EditingColumn) { case EditableOutlineViewColumn.LongName: canEdit = true; initialValue = editingObject.LongName; maxLength = INTV.LtoFlash.Model.FileSystemConstants.MaxLongNameLength; break; case EditableOutlineViewColumn.ShortName: canEdit = true; initialValue = editingObject.ShortName; maxLength = INTV.LtoFlash.Model.FileSystemConstants.MaxShortNameLength; break; default: ErrorReporting.ReportError("Unsupported edit column"); break; } if (InPlaceEditor == null) { InPlaceEditor = new TextCellInPlaceEditor(outlineView); } InPlaceEditor.EditingObject = editingObject; InPlaceEditor.InitialValue = initialValue; InPlaceEditor.MaxLength = maxLength; InPlaceEditor.IsValidCharacter = (c) => INTV.Core.Model.Grom.Characters.Contains(c); InPlaceEditor.EditorClosed += InPlaceEditor_EditorClosed; InPlaceEditor.BeginEdit(); } else if ((SingleInstanceApplication.Current.LastKeyPressed == TextCellInPlaceEditor.ReturnKey) && (SingleInstanceApplication.Current.LastKeyPressedTimestamp != ReturnKeyTimestamp)) { // return was pressed -- do we need to check for <enter> vs. <return> (on laptops, Fn+return)? ReturnKeyTimestamp = SingleInstanceApplication.Current.LastKeyPressedTimestamp; if (!outlineView.IsExpandable(item) && DownloadCommandGroup.DownloadAndPlayCommand.CanExecute(ViewModel)) { var program = ViewModel.HostPCMenuLayout.CurrentSelection as ProgramViewModel; if ((program != null) && DownloadCommandGroup.DownloadAndPlayCommand.CanExecute(ViewModel)) { DownloadCommandGroup.DownloadAndPlay(ViewModel.ActiveLtoFlashDevice.Device, program.ProgramDescription); } } else { // On a directory. If so, toggle state. if (outlineView.IsItemExpanded(item)) { outlineView.CollapseItem(item); } else { outlineView.ExpandItem(item); } } } return(canEdit); }