protected override void OnClick(EventArgs e)
{
TToolButtonActionLink actionlink = (TToolButtonActionLink)TActionList.GetActionLink(this);
TBasicAction action = actionlink != null ? actionlink.Action : null;
EventHandler clickhandler = this.GetClickEvent();
// Following code based on D4's TControl.Click
// Call OnClick if assigned and not equal to associated action's OnExecute.
// If associated action's OnExecute assigned then call it, otherwise, call
// OnClick.
if (DesignMode || actionlink == null ||
action == null || !Extensions.AreIntersectingOrBothEmpty(clickhandler, action.ExecuteDelegate))
{
base.OnClick(e);
}
else
{
// Following code based on D6's TMenuItem.Click
if (CheckOnClick && (actionlink == null || !actionlink.IsAutoCheckLinked))
{
Checked = !Checked;
}
actionlink.OnExecute(this, EventArgs.Empty);
}
}
private bool DispatchAction(ref Message m)
{
bool result = false;
Form form = Form.ActiveForm;
if (form is TCustomForm && ((TCustomForm)form).Perform(m.Msg, IntPtr.Zero, m.LParam) == (IntPtr)1)
{
result = true;
}
else if (MainForm != form && MainForm is TCustomForm && ((TCustomForm)MainForm).Perform(m.Msg, IntPtr.Zero, m.LParam) == (IntPtr)1)
{
result = true;
}
TBasicAction action = (TBasicAction)GCHandle.FromIntPtr(m.LParam).Target;
TCustomAction custAction = action as TCustomAction;
if (!result && custAction != null &&
custAction.Enabled && custAction.DisableIfNoHandler)
{
custAction.Enabled = action.ExecuteDelegate != null;
}
return(result);
}
public virtual bool UpdateAction(TBasicAction action)
{
ActionEventAgs args = new ActionEventAgs(action, false);
if (ActionUpdate != null)
{
ActionUpdate(this, args);
}
return(args.Result);
}
protected virtual void SetAction(TBasicAction value)
{
if (action != value)
{
if (action != null)
{
action.UnRegisterChanges(this);
}
action = value;
if (value != null)
{
value.RegisterChanges(this);
}
}
}
private bool DoUpdateAction(TBasicAction action)
{
if (DesignMode || !Visible) //use Showing instead of Visible, but it doesn't exist in .net
{
return(false);
}
if (ProcessUpdate(ActiveControl, action) ||
ProcessUpdate(this, action) ||
TraverseClients(this, action))
{
return(true);
}
return(false);
}
private bool TraverseClients(Control container, TBasicAction action)
{
if (container.Visible) //use Showing instead of Visible, but it doesn't exist in .net
{
var controls = container.Controls;
for (int i = 0; i < controls.Count; i++)
{
Control childControl = controls[i]; //TODO: include also components
if (ComponentAllowed(childControl) && ProcessUpdate(childControl, action) ||
childControl is Control && TraverseClients(childControl, action))
{
return(true);
}
}
}
return(false);
}
private bool DoExecuteAction(TBasicAction action)
{
if (DesignMode || !Visible)
{
return(false);
}
if (ActiveControl != null && ActiveControl.ExecuteAction(action))
{
return(true);
}
if (this.ExecuteAction(action))
{
return(true);
}
return(false);
}
private bool DoExecuteActionInChildControls(Control parentControl, TBasicAction action)
{
var controls = parentControl.Controls;
for (int i = 0; i < controls.Count; i++)
{
Control childControl = controls[i]; //TODO: include components
if (childControl.Visible)
{
if (controls[i].ExecuteAction(action))
{
return(true);
}
if (DoExecuteActionInChildControls(childControl, action))
{
return(true);
}
}
}
return(false);
}
public void SetAction(Component self, TBasicAction value)
{
TBasicActionLink actionLink = GetActionLink(self);
if (actionLink != null && actionLink.Action == value)
{
return;
}
if (value == null)
{
actionLink.Dispose();
lock (compToActionLinks) compToActionLinks.Remove(self);
}
else
{
if (actionLink == null)
{
actionLink = CreateActionLink(self);
lock (compToActionLinks) compToActionLinks.Add(self, actionLink);
actionLink.Change += (sender, e) => DoActionChange(self, sender, e);
}
actionLink.Action = value;
bool isloading = false;
ISite site = value.Site ?? self.Site;
if (site != null)
{
IDesignerHost designHost = site.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (designHost != null)
{
isloading = designHost.Loading;
}
}
ActionChange(self, value, isloading);
}
}
private bool ProcessUpdate(Component component, TBasicAction action)
{
return(component != null && component.UpdateAction(action));
}
internal void SetActionInternal(TBasicAction value)
{
this.action = value;
}
public ActionEventAgs(TBasicAction action, bool result)
{
Action = action;
Result = result;
}
