internal void OnVisualTreeNodeSelected(VisualTreeNodeSelected args)
{
Project.State.SelectedVisualTreeNode = args.Node;
_dataReceived = PouchTypes.None;
RefreshWidget(Project.State.SelectedPouch);
}
protected override Control OnDefineLayout()
{
_container = new TableLayout(1, 2);
var header = new Label
{
Text = "Visual Tree"
};
var actionBar = new TableLayout(5, 1)
{
Spacing = new Size(5, 0),
Padding = new Padding(0, 0, 0, 5)
};
var refreshBtn = new ImageButton
{
ToolTip = "Refresh",
Image = AppImages.Refresh,
Width = 18,
Height = 18
};
var addBtn = new ImageButton
{
ToolTip = "Register New View",
Image = AppImages.AddView,
Width = 18,
Height = 18
};
var editBtn = new ButtonMenuList
{
ToolTip = "Edit View",
Image = AppImages.Edit,
Width = 18,
Height = 18
};
if (_editMenuItems != null)
{
editBtn.AddRange(_editMenuItems);
}
// visual tree
_tree = new TreeGridView
{
ShowHeader = false,
ContextMenu = _contextMenu
};
_tree.Columns.Add(new GridColumn {
DataCell = new VisualTreeCell(), HeaderText = "Image and Text", AutoSize = true, Resizable = true, Editable = false
});
_tree.SelectionChanged += (s, e) =>
{
// An item has been selected
var ti = _tree.SelectedItem as TreeGridItem;
if (ti?.Tag != null)
{
// does this visual tree node have the data we need?
var node = (VisualTreeNode)ti.Tag;
if (_tree.SelectedRows.Any())
{
_lastSelected = _tree.SelectedRows.First();
// notify outside views
var evt = new VisualTreeNodeSelected(node);
ToolboxApp.Bus.Notify(evt);
}
}
else
{
ToolboxApp.Log.Error("The selected node did not have an attached widget.");
}
};
// layout
actionBar.Add(header, 0, 0, true, false);
actionBar.Add(addBtn, 1, 0, false, false);
actionBar.Add(editBtn, 2, 0, false, false);
actionBar.Add(refreshBtn, 3, 0, false, false);
actionBar.Add(null, 4, 0, false, false);
_container.Add(actionBar, 0, 0, false, false);
_container.Add(_tree, 0, 1, false, true);
addBtn.Click += OnAddViewClicked;
refreshBtn.Click += (s, e) =>
{
ToolboxApp.Bus.Notify(new ForceVisualTreeRefresh());
ToolboxApp.Bus.Notify(new ShowStatusMessage("Visual Tree refresh requested"));
};
return(_container);
}
