Graph_MAVONavigatorLabelProvider.java

/*
* Copyright (c) 2012-2016 Marsha Chechik, Alessio Di Sandro, Michalis Famelis,
* Rick Salay.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
* 
* Contributors:
*    Alessio Di Sandro - Implementation.
*/
package edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator;

import org.eclipse.gmf.runtime.common.ui.services.parser.IParser;
import org.eclipse.gmf.runtime.common.ui.services.parser.ParserOptions;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.jface.viewers.ITreePathLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.ViewerLabel;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.navigator.ICommonContentExtensionSite;
import org.eclipse.ui.navigator.ICommonLabelProvider;

/**
 * @generated
 */
public class Graph_MAVONavigatorLabelProvider extends LabelProvider
		implements ICommonLabelProvider, ITreePathLabelProvider {

	/**
	* @generated
	*/
	static {
		edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVODiagramEditorPlugin.getInstance()
				.getImageRegistry().put("Navigator?UnknownElement", ImageDescriptor.getMissingImageDescriptor()); //$NON-NLS-1$
		edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVODiagramEditorPlugin.getInstance()
				.getImageRegistry().put("Navigator?ImageNotFound", ImageDescriptor.getMissingImageDescriptor()); //$NON-NLS-1$
	}

	/**
	* @generated
	*/
	public void updateLabel(ViewerLabel label, TreePath elementPath) {
		Object element = elementPath.getLastSegment();
		if (element instanceof edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorItem
				&& !isOwnView(
						((edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorItem) element)
								.getView())) {
			return;
		}
		label.setText(getText(element));
		label.setImage(getImage(element));
	}

	/**
	* @generated
	*/
	public Image getImage(Object element) {
		if (element instanceof edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorGroup) {
			edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorGroup group = (edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorGroup) element;
			return edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVODiagramEditorPlugin.getInstance()
					.getBundledImage(group.getIcon());
		}

		if (element instanceof edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorItem) {
			edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorItem navigatorItem = (edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorItem) element;
			if (!isOwnView(navigatorItem.getView())) {
				return super.getImage(element);
			}
			return getImage(navigatorItem.getView());
		}

		return super.getImage(element);
	}

	/**
	* @generated
	*/
	public Image getImage(View view) {
		switch (edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVOVisualIDRegistry.getVisualID(view)) {
		case edu.toronto.cs.se.modelepedia.graph_mavo.diagram.edit.parts.GraphEditPart.VISUAL_ID:
			return getImage("Navigator?Diagram?http://se.cs.toronto.edu/modelepedia/Graph_MAVO?Graph", //$NON-NLS-1$
					edu.toronto.cs.se.modelepedia.graph_mavo.diagram.providers.Graph_MAVOElementTypes.Graph_1000);
		case edu.toronto.cs.se.modelepedia.graph_mavo.diagram.edit.parts.NodeEditPart.VISUAL_ID:
			return getImage("Navigator?TopLevelNode?http://se.cs.toronto.edu/modelepedia/Graph_MAVO?Node", //$NON-NLS-1$
					edu.toronto.cs.se.modelepedia.graph_mavo.diagram.providers.Graph_MAVOElementTypes.Node_2001);
		case edu.toronto.cs.se.modelepedia.graph_mavo.diagram.edit.parts.EdgeEditPart.VISUAL_ID:
			return getImage("Navigator?Link?http://se.cs.toronto.edu/modelepedia/Graph_MAVO?Edge", //$NON-NLS-1$
					edu.toronto.cs.se.modelepedia.graph_mavo.diagram.providers.Graph_MAVOElementTypes.Edge_4001);
		}
		return getImage("Navigator?UnknownElement", null); //$NON-NLS-1$
	}

	/**
	* @generated
	*/
	private Image getImage(String key, IElementType elementType) {
		ImageRegistry imageRegistry = edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVODiagramEditorPlugin
				.getInstance().getImageRegistry();
		Image image = imageRegistry.get(key);
		if (image == null && elementType != null
				&& edu.toronto.cs.se.modelepedia.graph_mavo.diagram.providers.Graph_MAVOElementTypes
						.isKnownElementType(elementType)) {
			image = edu.toronto.cs.se.modelepedia.graph_mavo.diagram.providers.Graph_MAVOElementTypes
					.getImage(elementType);
			imageRegistry.put(key, image);
		}

		if (image == null) {
			image = imageRegistry.get("Navigator?ImageNotFound"); //$NON-NLS-1$
			imageRegistry.put(key, image);
		}
		return image;
	}

	/**
	* @generated
	*/
	public String getText(Object element) {
		if (element instanceof edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorGroup) {
			edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorGroup group = (edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorGroup) element;
			return group.getGroupName();
		}

		if (element instanceof edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorItem) {
			edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorItem navigatorItem = (edu.toronto.cs.se.modelepedia.graph_mavo.diagram.navigator.Graph_MAVONavigatorItem) element;
			if (!isOwnView(navigatorItem.getView())) {
				return null;
			}
			return getText(navigatorItem.getView());
		}

		return super.getText(element);
	}

	/**
	* @generated
	*/
	public String getText(View view) {
		if (view.getElement() != null && view.getElement().eIsProxy()) {
			return getUnresolvedDomainElementProxyText(view);
		}
		switch (edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVOVisualIDRegistry.getVisualID(view)) {
		case edu.toronto.cs.se.modelepedia.graph_mavo.diagram.edit.parts.GraphEditPart.VISUAL_ID:
			return getGraph_1000Text(view);
		case edu.toronto.cs.se.modelepedia.graph_mavo.diagram.edit.parts.NodeEditPart.VISUAL_ID:
			return getNode_2001Text(view);
		case edu.toronto.cs.se.modelepedia.graph_mavo.diagram.edit.parts.EdgeEditPart.VISUAL_ID:
			return getEdge_4001Text(view);
		}
		return getUnknownElementText(view);
	}

	/**
	* @generated
	*/
	private String getGraph_1000Text(View view) {
		edu.toronto.cs.se.modelepedia.graph_mavo.Graph domainModelElement = (edu.toronto.cs.se.modelepedia.graph_mavo.Graph) view
				.getElement();
		if (domainModelElement != null) {
			return String.valueOf(domainModelElement.isInc());
		} else {
			edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVODiagramEditorPlugin.getInstance()
					.logError("No domain element for view with visualID = " + 1000); //$NON-NLS-1$
			return ""; //$NON-NLS-1$
		}
	}

	/**
	* @generated
	*/
	private String getNode_2001Text(View view) {
		IParser parser = edu.toronto.cs.se.modelepedia.graph_mavo.diagram.providers.Graph_MAVOParserProvider
				.getParser(edu.toronto.cs.se.modelepedia.graph_mavo.diagram.providers.Graph_MAVOElementTypes.Node_2001,
						view.getElement() != null ? view.getElement()
								: view,
						edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVOVisualIDRegistry.getType(
								edu.toronto.cs.se.modelepedia.graph_mavo.diagram.edit.parts.NodeNameEditPart.VISUAL_ID));
		if (parser != null) {
			return parser.getPrintString(new EObjectAdapter(view.getElement() != null ? view.getElement() : view),
					ParserOptions.NONE.intValue());
		} else {
			edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVODiagramEditorPlugin.getInstance()
					.logError("Parser was not found for label " + 5001); //$NON-NLS-1$
			return ""; //$NON-NLS-1$
		}
	}

	/**
	* @generated
	*/
	private String getEdge_4001Text(View view) {
		IParser parser = edu.toronto.cs.se.modelepedia.graph_mavo.diagram.providers.Graph_MAVOParserProvider
				.getParser(edu.toronto.cs.se.modelepedia.graph_mavo.diagram.providers.Graph_MAVOElementTypes.Edge_4001,
						view.getElement() != null ? view.getElement()
								: view,
						edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVOVisualIDRegistry.getType(
								edu.toronto.cs.se.modelepedia.graph_mavo.diagram.edit.parts.EdgeNameEditPart.VISUAL_ID));
		if (parser != null) {
			return parser.getPrintString(new EObjectAdapter(view.getElement() != null ? view.getElement() : view),
					ParserOptions.NONE.intValue());
		} else {
			edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVODiagramEditorPlugin.getInstance()
					.logError("Parser was not found for label " + 6001); //$NON-NLS-1$
			return ""; //$NON-NLS-1$
		}
	}

	/**
	* @generated
	*/
	private String getUnknownElementText(View view) {
		return "<UnknownElement Visual_ID = " + view.getType() + ">"; //$NON-NLS-1$  //$NON-NLS-2$
	}

	/**
	* @generated
	*/
	private String getUnresolvedDomainElementProxyText(View view) {
		return "<Unresolved domain element Visual_ID = " + view.getType() + ">"; //$NON-NLS-1$  //$NON-NLS-2$
	}

	/**
	* @generated
	*/
	public void init(ICommonContentExtensionSite aConfig) {
	}

	/**
	* @generated
	*/
	public void restoreState(IMemento aMemento) {
	}

	/**
	* @generated
	*/
	public void saveState(IMemento aMemento) {
	}

	/**
	* @generated
	*/
	public String getDescription(Object anElement) {
		return null;
	}

	/**
	* @generated
	*/
	private boolean isOwnView(View view) {
		return edu.toronto.cs.se.modelepedia.graph_mavo.diagram.edit.parts.GraphEditPart.MODEL_ID.equals(
				edu.toronto.cs.se.modelepedia.graph_mavo.diagram.part.Graph_MAVOVisualIDRegistry.getModelID(view));
	}

}