// update UI when the selection changes
void UpdateUI()
{
// start updating
_updatingUI = true;
// update selected tab
C1TextEditorRibbonTab tab = this.SelectedTab as C1TextEditorRibbonTab;
if (tab != null)
{
tab.UpdateUI();
}
// done updating
_updatingUI = false;
_dirtyUI = false;
}
static RibbonSplitButton CreateSplitButton(string id, params object[] items)
{
return(C1TextEditorRibbonTab.CreateSplitButton(id, items));
}
static RibbonButton CreateButton(string id, string imageId)
{
return(C1TextEditorRibbonTab.CreateButton(id, imageId));
}
static RibbonAppMenuTab CreateTab(string id)
{
return(C1TextEditorRibbonTab.CreateTab(id));
}
static RibbonListItem CreateHeader(string id)
{
return(C1TextEditorRibbonTab.CreateHeader(id));
}
// delegate element creation to C1XHtmlRibbonTab
static RibbonLabel CreateHeaderLabel(string id)
{
return(C1TextEditorRibbonTab.CreateHeaderLabel(id));
}
//------------------------------------------------------------
#region ** command dispatcher
// forward ribbon events to the appropriate C1XHtmlRibbonTab.
protected override void OnRibbonEvent(RibbonEventArgs e)
{
RibbonItem item = e.Item as RibbonItem;
if (item != null)
{
// handle clicks on non-tab items
if (e.EventType == RibbonEventType.Click)
{
// handle application menu and Qat items
if (item.Tab == null)
{
switch (item.ID)
{
case "New":
NewDocument();
return;
case "Open":
case "OpenQat":
OpenDocument();
return;
case "Save":
case "SaveQat":
SaveDocument();
return;
case "SaveAs":
SaveDocumentAs();
break;
case "Print":
PrintDocument(true, false);
break;
case "PrintPreview":
PrintDocument(false, true);
break;
case "QuickPrint":
PrintDocument(false, false);
break;
case "ExportPdf":
ExportDocument();
break;
case "Exit":
Exit();
break;
case "Undo":
Undo();
break;
case "Redo":
Redo();
break;
default:
break;
}
}
}
else if (e.EventType == RibbonEventType.DropDown)
{
switch (item.ID)
{
case "Undo":
case "Redo":
bool isUndo = string.Compare(item.ID, "Undo", true) == 0;
string[] actionList = isUndo ? _editor.Editor.History.UndoList : _editor.Editor.History.RedoList;
RibbonSplitButton sb = item as RibbonSplitButton;
sb.Items.Clear();
int actionIndex = 0;
foreach (string action in actionList)
{
RibbonButton rb = new RibbonButton(action);
rb.Tag = actionIndex;
rb.Click += (isUndo ? new EventHandler(UndoClick) : new EventHandler(RedoClick));
sb.Items.Add(rb);
actionIndex += 1;
}
break;
default:
break;
}
}
// delegate to tab elements
if (!_updatingUI)
{
C1TextEditorRibbonTab tab = item.Tab as C1TextEditorRibbonTab;
if (tab != null)
{
tab.HandleItemEvent(e);
}
}
// exit when double-clicking the app menu
if (item.Equals(this.ApplicationMenu) &&
e.EventType == RibbonEventType.DoubleClick)
{
Exit();
}
}
// fire event as usual
base.OnRibbonEvent(e);
}
