public override void SetObjectValue(NSOutlineView outlineView, NSObject theObject, NSTableColumn tableColumn, NSObject item)
{
var myitem = item as EtoTreeItem;
if (myitem != null)
{
var args = new TreeViewItemEditEventArgs(myitem.Item, (string)(NSString)theObject);
Handler.Callback.OnLabelEdited(Handler.Widget, args);
if (!args.Cancel)
{
myitem.Item.Text = args.Label;
}
}
}
void HandleLabelEdited(object sender, sw.RoutedEventArgs e)
{
var args = new TreeViewItemEditEventArgs(DataContext as ITreeItem, text);
Handler.Callback.OnLabelEdited(Handler.Widget, args);
if (!args.Cancel)
{
var item = DataContext as ITreeItem;
if (item != null)
{
item.Text = text;
}
}
OnPropertyChanged("Text");
e.Handled = args.Cancel;
}
public override void AttachEvent(string id)
{
switch (id)
{
case TreeView.ExpandingEvent:
Control.BeforeExpand += (sender, e) =>
{
if (ignoreExpandCollapseEvents)
{
return;
}
var item = e.Node.Tag as ITreeItem;
if (!item.Expanded)
{
var args = new TreeViewItemCancelEventArgs(item);
Callback.OnExpanding(Widget, args);
e.Cancel = args.Cancel;
}
};
break;
case TreeView.ExpandedEvent:
Control.AfterExpand += (sender, e) =>
{
if (ignoreExpandCollapseEvents)
{
return;
}
var item = e.Node.Tag as ITreeItem;
if (!item.Expanded)
{
item.Expanded = true;
Callback.OnExpanded(Widget, new TreeViewItemEventArgs(item));
}
};
break;
case TreeView.CollapsingEvent:
Control.BeforeCollapse += (sender, e) =>
{
if (ignoreExpandCollapseEvents)
{
return;
}
var item = e.Node.Tag as ITreeItem;
if (item.Expanded)
{
var args = new TreeViewItemCancelEventArgs(item);
Callback.OnCollapsing(Widget, args);
e.Cancel = args.Cancel;
}
};
break;
case TreeView.CollapsedEvent:
Control.AfterCollapse += (sender, e) =>
{
if (ignoreExpandCollapseEvents)
{
return;
}
var item = e.Node.Tag as ITreeItem;
if (item.Expanded)
{
item.Expanded = false;
Callback.OnCollapsed(Widget, new TreeViewItemEventArgs(item));
}
};
break;
case TreeView.ActivatedEvent:
Control.KeyDown += (sender, e) =>
{
if (SelectedItem != null)
{
if (e.KeyData == swf.Keys.Return)
{
Callback.OnActivated(Widget, new TreeViewItemEventArgs(SelectedItem));
e.Handled = e.SuppressKeyPress = true;
if (LabelEdit)
{
Control.SelectedNode.BeginEdit();
}
}
else if (e.KeyData == swf.Keys.F2 && LabelEdit)
{
Control.SelectedNode.BeginEdit();
}
}
};
Control.NodeMouseDoubleClick += (sender, e) =>
{
if (e.Button == swf.MouseButtons.Left && SelectedItem != null)
{
if (LabelEdit)
{
Control.SelectedNode.BeginEdit();
}
else
{
Callback.OnActivated(Widget, new TreeViewItemEventArgs(SelectedItem));
}
}
};
break;
case TreeView.LabelEditedEvent:
Control.AfterLabelEdit += (s, e) =>
{
var item = e.Node.Tag as ITreeItem;
if (item == null)
{
return;
}
// when e.Label is null the user cancelled, so set as the same value.
var newValue = e.Label != null ? e.Label : item.Text;
var args = new TreeViewItemEditEventArgs(item, newValue);
Callback.OnLabelEdited(Widget, args);
if (!args.Cancel)
{
args.Item.Text = newValue;
}
e.CancelEdit = args.Cancel;
};
break;
case TreeView.LabelEditingEvent:
Control.BeforeLabelEdit += (s, e) =>
{
var args = new TreeViewItemCancelEventArgs(e.Node.Tag as ITreeItem);
Callback.OnLabelEditing(Widget, args);
e.CancelEdit = args.Cancel;
};
break;
case TreeView.NodeMouseClickEvent:
Control.NodeMouseClick += (s, e) => Callback.OnNodeMouseClick(Widget, new TreeViewItemEventArgs(e.Node.Tag as ITreeItem));
break;
case TreeView.SelectionChangedEvent:
Control.AfterSelect += (sender, e) => Callback.OnSelectionChanged(Widget, EventArgs.Empty);
break;
default:
base.AttachEvent(id);
break;
}
}
public override void AttachEvent(string id)
{
switch (id)
{
case TreeView.ExpandingEvent:
Control.BeforeExpand += (sender, e) =>
{
if (ignoreExpandCollapseEvents)
{
return;
}
var item = e.Node.Tag as ITreeItem;
if (!item.Expanded)
{
var args = new TreeViewItemCancelEventArgs(item);
Widget.OnExpanding(args);
e.Cancel = args.Cancel;
}
};
break;
case TreeView.ExpandedEvent:
Control.AfterExpand += (sender, e) =>
{
if (ignoreExpandCollapseEvents)
{
return;
}
var item = e.Node.Tag as ITreeItem;
if (!item.Expanded)
{
item.Expanded = true;
Widget.OnExpanded(new TreeViewItemEventArgs(item));
}
};
break;
case TreeView.CollapsingEvent:
Control.BeforeCollapse += (sender, e) =>
{
if (ignoreExpandCollapseEvents)
{
return;
}
var item = e.Node.Tag as ITreeItem;
if (item.Expanded)
{
var args = new TreeViewItemCancelEventArgs(item);
Widget.OnCollapsing(args);
e.Cancel = args.Cancel;
}
};
break;
case TreeView.CollapsedEvent:
Control.AfterCollapse += (sender, e) =>
{
if (ignoreExpandCollapseEvents)
{
return;
}
var item = e.Node.Tag as ITreeItem;
if (item.Expanded)
{
item.Expanded = false;
Widget.OnCollapsed(new TreeViewItemEventArgs(item));
}
};
break;
case TreeView.ActivatedEvent:
Control.KeyDown += (sender, e) =>
{
if (SelectedItem != null)
{
if (e.KeyData == swf.Keys.Return)
{
Widget.OnActivated(new TreeViewItemEventArgs(SelectedItem));
e.Handled = true;
if (LabelEdit)
{
Control.SelectedNode.BeginEdit();
}
}
else if (e.KeyData == swf.Keys.F2 && LabelEdit)
{
Control.SelectedNode.BeginEdit();
}
}
};
Control.NodeMouseDoubleClick += (sender, e) =>
{
if (e.Button == swf.MouseButtons.Left && SelectedItem != null)
{
if (LabelEdit)
{
Control.SelectedNode.BeginEdit();
}
else
{
Widget.OnActivated(new TreeViewItemEventArgs(SelectedItem));
}
}
};
break;
case TreeView.LabelEditedEvent:
Control.AfterLabelEdit += (s, e) =>
{
var args = new TreeViewItemEditEventArgs(e.Node.Tag as ITreeItem, e.Label);
Widget.OnLabelEdited(args);
if (!args.Cancel)
{
args.Item.Text = e.Label;
}
e.CancelEdit = args.Cancel;
};
break;
case TreeView.LabelEditingEvent:
Control.BeforeLabelEdit += (s, e) =>
{
var args = new TreeViewItemCancelEventArgs(e.Node.Tag as ITreeItem);
Widget.OnLabelEditing(args);
e.CancelEdit = args.Cancel;
};
break;
case TreeView.NodeMouseClickEvent:
Control.NodeMouseClick += (s, e) => Widget.OnNodeMouseClick(new TreeViewItemEventArgs(e.Node.Tag as ITreeItem));
break;
case TreeView.SelectionChangedEvent:
Control.AfterSelect += (sender, e) => Widget.OnSelectionChanged(EventArgs.Empty);
break;
default:
base.AttachEvent(id);
break;
}
}
