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;
}
public void UpdateExpansions(NSOutlineView outlineView)
{
this.isUpdatingExpansions = true;
if (!String.IsNullOrWhiteSpace(this.dataSource.DataContext.FilterText))
{
outlineView.ExpandItem(null, true);
}
else
{
foreach (PanelGroupViewModel g in this.dataSource.DataContext.ArrangedEditors)
{
NSObjectFacade item;
if (!this.dataSource.TryGetFacade(g, out item))
{
continue;
}
if (this.dataSource.DataContext.GetIsExpanded(g.Category))
{
EnsureOpenOrClose(outlineView, item, open: true);
}
else
{
EnsureOpenOrClose(outlineView, item, open: false);
}
}
}
this.isUpdatingExpansions = false;
}
public void ExpandAllItems()
{
for (int x = 0; x < sidebar.RowCount; x++)
{
sidebar.ExpandItem(sidebar.ItemAtRow(x));
}
}
public static void SelectAndScrollInView <Item>(NSOutlineView treeView, Item[] items,
Func <Item, Item> parentGetter) where Item : NSObject
{
var rows = new List <uint> ();
foreach (var item in items)
{
var rowIdx = treeView.RowForItem(item);
if (rowIdx < 0)
{
var stack = new Stack <Item>();
for (var i = parentGetter(item); i != null; i = parentGetter(i))
{
stack.Push(i);
}
while (stack.Count > 0)
{
treeView.ExpandItem(stack.Pop());
}
rowIdx = treeView.RowForItem(item);
}
if (rowIdx >= 0)
{
rows.Add((uint)rowIdx);
}
}
treeView.SelectRows(
NSIndexSet.FromArray(rows.ToArray()),
byExtendingSelection: false
);
if (rows.Count > 0)
{
treeView.ScrollRowToVisible((nint)rows[0]);
}
}
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;
}
}
}
public override NSView GetView(NSOutlineView outlineView, NSTableColumn tableColumn, NSObject item)
{
GetVMGroupCellItendifiterFromFacade(item, out EditorViewModel evm, out PanelGroupViewModel group, out var cellIdentifier);
if (group != null)
{
var categoryContainer = (CategoryContainerControl)outlineView.MakeView(CategoryIdentifier, this);
if (categoryContainer == null)
{
categoryContainer = new CategoryContainerControl(this.hostResources, outlineView)
{
Identifier = CategoryIdentifier,
TableView = outlineView,
};
}
((UnfocusableTextField)categoryContainer.Subviews[1]).StringValue = group.Category;
if (this.dataSource.DataContext.GetIsExpanded(group.Category))
{
SynchronizationContext.Current.Post(s => {
outlineView.ExpandItem(item);
}, null);
}
return(categoryContainer);
}
NSView editorOrContainer = null;
if (this.firstCache.TryGetValue(cellIdentifier, out IEditorView editor))
{
this.firstCache.Remove(cellIdentifier);
editorOrContainer = (editor.NativeView is PropertyEditorControl) ? new EditorContainer(this.hostResources, editor)
{
Identifier = cellIdentifier
} : editor.NativeView;
}
else
{
editorOrContainer = GetEditor(cellIdentifier, evm, outlineView);
editor = ((editorOrContainer as EditorContainer)?.EditorView) ?? editorOrContainer as IEditorView;
}
if (editorOrContainer is EditorContainer ec)
{
ec.ViewModel = evm;
ec.Label = evm.Name;
#if DEBUG // Currently only used to highlight which controls haven't been implemented
if (editor == null)
{
ec.LabelTextColor = NSColor.Red;
}
#endif
}
if (editor != null)
{
var ovm = evm as ObjectPropertyViewModel;
if (ovm != null && editorOrContainer is EditorContainer container)
{
if (container.LeftEdgeView == null)
{
if (ovm.CanDelve)
{
container.LeftEdgeView = outlineView.MakeView("NSOutlineViewDisclosureButtonKey", outlineView);
}
}
else if (!ovm.CanDelve)
{
container.LeftEdgeView = null;
}
}
else if (!(editorOrContainer is EditorContainer))
{
editor.ViewModel = evm;
}
bool openObjectRow = ovm != null && outlineView.IsItemExpanded(item);
if (!openObjectRow)
{
var parent = outlineView.GetParent(item);
openObjectRow = (parent != null && ((NSObjectFacade)parent).Target is ObjectPropertyViewModel);
}
SetRowValueBackground(editorOrContainer, openObjectRow);
// Force a row update due to new height, but only when we are non-default
if (editor.IsDynamicallySized)
{
nint index = outlineView.RowForItem(item);
outlineView.NoteHeightOfRowsWithIndexesChanged(new NSIndexSet(index));
}
}
else if (editorOrContainer is PanelHeaderEditorControl header)
{
header.ViewModel = this.dataSource.DataContext;
}
return(editorOrContainer);
}
/// <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);
}