public virtual void attachToParent(RmlElementEditor parentEditor, Widget parent)
{
this.parentEditor = parentEditor;
widget.Visible = false;
IntCoord clientCoord = parent.ClientCoord;
widget.setSize(clientCoord.width, clientCoord.height);
widget.Align = Align.Stretch;
widget.attachToWidget(parent);
widget.Visible = true;
}
/// <summary>
/// Open a text editor that disposes when it is closed.
/// </summary>
/// <returns></returns>
public static RmlElementEditor openEditor(Element element, int left, int top, ElementStrategy elementStrategy)
{
RmlElementEditor editor = new RmlElementEditor(element, elementStrategy);
editor.show(left, top);
editor.Hidden += (source, e) =>
{
((RmlElementEditor)source).Dispose();
};
return(editor);
}
public virtual bool delete(Element element, RmlElementEditor editor, RmlWysiwygComponent component)
{
return(false);
}
public virtual bool applyChanges(Element element, RmlElementEditor editor, RmlWysiwygComponent component, out TwoWayCommand additionalUndoOperations)
{
additionalUndoOperations = null;
return(false);
}
private void showRmlElementEditor(Element element, ElementStrategy strategy)
{
if (currentEditor == null || selectedElementManager.SelectedElement != element)
{
cancelAndHideEditor();
RmlElementEditor editor = strategy.openEditor(element, uiCallback, 0, 0);
if (editor == null)
{
//The editor was null, which means editing is not supported so just clear the selection.
selectedElementManager.clearSelectedAndHighlightedElement();
return; //Return here to prevent more execution
}
editor.UndoRml = UnformattedRml;
//Everything is good so setup.
editor.Hiding += (src, arg) =>
{
if (!disposed)
{
if (editor.deleteIfNeeded(this))
{
rmlModified();
updateUndoStatus(editor.UndoRml, true);
editor.UndoRml = UnformattedRml;
}
selectedElementManager.AllowShowResizeHandles = false;
}
};
editor.Hidden += (src, arg) =>
{
if (currentEditor == editor)
{
currentEditor = null;
}
};
editor.ChangesMade += (applyElement) =>
{
TwoWayCommand additionalUndoOperations;
if (!disposed && editor.applyChanges(this, out additionalUndoOperations))
{
rocketWidget.Context.GetDocument(0).MakeDirtyForScaleChange();
rmlModified();
updateUndoStatus(editor.UndoRml, true, additionalUndoOperations);
editor.UndoRml = UnformattedRml;
}
};
editor.MoveElementUp += upElement =>
{
Element previousSibling = upElement.PreviousSibling;
if (previousSibling != null)
{
Element parent = upElement.ParentNode;
if (parent != null)
{
upElement.addReference();
parent.RemoveChild(upElement);
parent.InsertBefore(upElement, previousSibling);
upElement.removeReference();
rmlModified();
updateUndoStatus(editor.UndoRml);
editor.UndoRml = UnformattedRml;
}
}
};
editor.MoveElementDown += downElement =>
{
Element parent = downElement.ParentNode;
if (parent != null)
{
Element nextSibling = downElement.NextSibling;
if (nextSibling != null)
{
downElement.addReference();
parent.RemoveChild(downElement);
nextSibling = nextSibling.NextSibling;
if (nextSibling != null)
{
parent.InsertBefore(downElement, nextSibling);
}
else
{
parent.AppendChild(downElement);
}
downElement.removeReference();
rmlModified();
updateUndoStatus(editor.UndoRml);
editor.UndoRml = UnformattedRml;
}
}
};
editor.DeleteElement += deleteElement =>
{
Element parent = deleteElement.ParentNode;
if (parent != null)
{
Element nextSelectionElement = deleteElement.NextSibling;
if (nextSelectionElement == null)
{
nextSelectionElement = deleteElement.PreviousSibling;
}
parent.RemoveChild(deleteElement);
rmlModified(false);
updateUndoStatus(editor.UndoRml);
editor.UndoRml = UnformattedRml;
if (nextSelectionElement != null)
{
showRmlElementEditor(nextSelectionElement, elementStrategyManager[nextSelectionElement]);
}
else
{
selectedElementManager.clearSelectedAndHighlightedElement();
}
}
};
currentEditor = editor;
selectedElementManager.SelectedElement = element;
selectedElementManager.setHighlightElement(element, strategy.HighlightProvider);
selectedElementManager.ElementStrategy = strategy;
selectedElementManager.AllowShowResizeHandles = true;
updateEditorPosition();
}
}