private void InternalSelectTool(IToolboxObject tool)
{
IToolboxObject previouslySelected = this.LastSelectedTool;
if (tool is Item && !((Item) tool).Enabled) {
tool = null;
}
this._lastSelectedTool = tool;
if (previouslySelected != null && previouslySelected != this.LastSelectedTool) {
if (previouslySelected is Tab) {
((Tab) previouslySelected).Selected = false;
} else if (previouslySelected is Item) {
((Item) previouslySelected).Selected = false;
}
}
if (this.LastSelectedTool != null) {
Tab tab = this.LastSelectedTool as Tab;
if (tab != null) {
tab.Selected = true;
return;
}
Item item = this.LastSelectedTool as Item;
if (item != null) {
if (this.LastSelectedItem != item) {
if (this.LastSelectedItem != null) {
this.LastSelectedItem.Selected = false;
}
this._lastSelectedItem = item;
}
item.Selected = true;
if (item.Category != null && !item.Category.Opened) {
item.Category.Opened = true;
}
this.OnSelectItem(new ItemSelectionEventArgs(item));
return;
}
}
}
/// <summary>
/// Selects a specified <paramref name="tool"/> on the <see cref="Toolbox"/>.
/// </summary>
/// <param name="tool">A <see cref="IToolboxObject"/> object to select.</param>
protected virtual void SelectTool(IToolboxObject tool)
{
if (tool == null) {
throw new ArgumentNullException("tool");
}
if (!tool.Visible) {
throw new ArgumentException(Resources.ToolboxSelectNonVisibleTool);
}
if (tool is Item && !((Item) tool).Enabled) {
throw new ArgumentException(Resources.ToolboxSelectDisabledItem);
}
this.InternalSelectTool(tool);
}
internal HitTestInfo(Point location, HitArea area, IToolboxObject tool)
{
this._hitPoint = location;
this._hitArea = area;
this._hitTool = tool;
}
/// <summary>
/// Overriden.
/// </summary>
protected override void OnMouseDown(MouseEventArgs e)
{
this.InternalSelectTool(this.HitTest(e.Location).Tool);
if (this.LastSelectedTool != null) {
this._draggedTool = this.LastSelectedTool;
Size dragSize = SystemInformation.DragSize;
this._dragBoxFromMouseDown =
new Rectangle(new Point(e.X - (dragSize.Width / 2), e.Y - (dragSize.Height / 2)), dragSize);
Tab tab = this.LastSelectedTool as Tab;
if (tab != null) {
tab.InternalMouseDown(e);
}
Item item = this.LastSelectedTool as Item;
if (item != null) {
item.InternalMouseDown(e);
}
} else {
this._dragBoxFromMouseDown = Rectangle.Empty;
}
base.OnMouseDown(e);
}
internal HitTestInfo(Point location, HitArea area, IToolboxObject tool)
{
this._hitPoint = location;
this._hitArea = area;
this._hitTool = tool;
}