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);
}