public void MouseDown(MouseEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("The argument object is 'null'");
}
if (e.Button == MouseButtons.Left && Enabled && !IsSuspended)
{
//if(e.Clicks == 1)
{
TextEditor.Hide();
Selection.CollectEntitiesAt(e.Location);
if (Selection.SelectedItems.Count > 0)
{
IMouseListener listener = Selection.SelectedItems[0].GetService(typeof(IMouseListener)) as IMouseListener;
if (listener != null)
{
listener.MouseDown(e);
}
}
}
if (e.Clicks == 2)
{
if (Selection.SelectedItems.Count > 0 && Selection.SelectedItems[0] is TextOnly)
// if (Selection.SelectedItems.Count > 0 )
{
TextEditor.GetEditor(Selection.SelectedItems[0] as IShape);
TextEditor.Show();
}
}
}
}
// ------------------------------------------------------------------
/// <summary>
/// Handles the mouse down event
/// </summary>
/// <param name="e">The
/// <see cref="T:System.Windows.Forms.MouseEventArgs"/> instance
/// containing the event data.</param>
// ------------------------------------------------------------------
public virtual bool MouseDown(MouseEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("The argument object is 'null'");
}
//if(e.Button == MouseButtons.Left && Enabled && !IsSuspended)
if (Enabled && !IsSuspended)
{
// Only if one of the multi-select keys are pressed do we NOT
// clear the selection before adding to it the selected entity.
bool clearSelectionFirst = true;
if (this.isMultiSelectKeyPressed == true)
{
clearSelectionFirst = false;
}
// Also don't clear the selection if a group is currently
// selected so we can drill-down into it.
if (this.Controller.Model.Selection.SelectedItems.Count > 0)
{
foreach (IDiagramEntity entity in this.Controller.Model.Selection.SelectedItems)
{
if ((entity is IGroup) &&
(entity.Hit(e.Location) == true))
{
clearSelectionFirst = false;
}
}
}
this.Controller.Model.Selection.CollectEntitiesAt(e.Location, clearSelectionFirst);
if (this.Controller.Model.Selection.SelectedItems.Count > 0)
{
IMouseListener listener =
this.Controller.Model.Selection.SelectedItems[0].GetService(
typeof(IMouseListener)) as IMouseListener;
if (listener != null)
{
if (listener.MouseDown(e))
{
return(true);
}
}
}
if ((this.Controller.Model.Selection.SelectedItems.Count > 0) &&
(this.Controller.Model.Selection.SelectedItems[0] is ITextProvider))
{
//ActivateTool();
ITextProvider textProvider =
this.Controller.Model.Selection.SelectedItems[0] as ITextProvider;
if ((e.Clicks == textProvider.EditTextClicks) &&
(textProvider.AllowTextEditing))
{
return(Controller.ActivateTextEditor(textProvider));
}
}
}
return(false);
}