package pyUML.listeners;

import org.eclipse.core.resources.IProject;
import org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor;
import org.eclipse.ui.IPropertyListener;

import pyUML.backend.UMLToolsHelperMethods;


/**
 * This class is to update all pyUML.views (model and diagram)
 * On every model change
 */
public class ModelChangeListener implements IPropertyListener {
	private IProject project;
	
	public ModelChangeListener(IProject project) {
		super();
		this.project = project;
	}

	public void propertyChanged(Object source, int propId) {
		// on model save, update all pyUML.views
		if (source instanceof DiagramEditor) {
			DiagramEditor umlEditor = (DiagramEditor) source;
			
			if (! umlEditor.isDirty()) {
				UMLToolsHelperMethods.updateModelAndViewPages(this.project);
			}
		}
	}
}