/*
* 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.tutorial.state.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;
import edu.toronto.cs.se.modelepedia.tutorial.state.State;
import edu.toronto.cs.se.modelepedia.tutorial.state.diagram.edit.parts.CityEditPart;
import edu.toronto.cs.se.modelepedia.tutorial.state.diagram.edit.parts.CityNameEditPart;
import edu.toronto.cs.se.modelepedia.tutorial.state.diagram.edit.parts.RegionEditPart;
import edu.toronto.cs.se.modelepedia.tutorial.state.diagram.edit.parts.RegionNameEditPart;
import edu.toronto.cs.se.modelepedia.tutorial.state.diagram.edit.parts.StateEditPart;
import edu.toronto.cs.se.modelepedia.tutorial.state.diagram.part.StateDiagramEditorPlugin;
import edu.toronto.cs.se.modelepedia.tutorial.state.diagram.part.StateVisualIDRegistry;
import edu.toronto.cs.se.modelepedia.tutorial.state.diagram.providers.StateElementTypes;
import edu.toronto.cs.se.modelepedia.tutorial.state.diagram.providers.StateParserProvider;
/**
* @generated
*/
public class StateNavigatorLabelProvider extends LabelProvider implements
ICommonLabelProvider, ITreePathLabelProvider {
/**
* @generated
*/
static {
StateDiagramEditorPlugin
.getInstance()
.getImageRegistry()
.put("Navigator?UnknownElement", ImageDescriptor.getMissingImageDescriptor()); //$NON-NLS-1$
StateDiagramEditorPlugin
.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 StateNavigatorItem
&& !isOwnView(((StateNavigatorItem) element).getView())) {
return;
}
label.setText(getText(element));
label.setImage(getImage(element));
}
/**
* @generated
*/
public Image getImage(Object element) {
if (element instanceof StateNavigatorGroup) {
StateNavigatorGroup group = (StateNavigatorGroup) element;
return StateDiagramEditorPlugin.getInstance().getBundledImage(
group.getIcon());
}
if (element instanceof StateNavigatorItem) {
StateNavigatorItem navigatorItem = (StateNavigatorItem) element;
if (!isOwnView(navigatorItem.getView())) {
return super.getImage(element);
}
return getImage(navigatorItem.getView());
}
return super.getImage(element);
}
/**
* @generated
*/
public Image getImage(View view) {
switch (StateVisualIDRegistry.getVisualID(view)) {
case StateEditPart.VISUAL_ID:
return getImage(
"Navigator?Diagram?http://se.cs.toronto.edu/modelepedia/State?State", StateElementTypes.State_1000); //$NON-NLS-1$
case RegionEditPart.VISUAL_ID:
return getImage(
"Navigator?TopLevelNode?http://se.cs.toronto.edu/modelepedia/State?Region", StateElementTypes.Region_2001); //$NON-NLS-1$
case CityEditPart.VISUAL_ID:
return getImage(
"Navigator?Node?http://se.cs.toronto.edu/modelepedia/State?City", StateElementTypes.City_3001); //$NON-NLS-1$
}
return getImage("Navigator?UnknownElement", null); //$NON-NLS-1$
}
/**
* @generated
*/
private Image getImage(String key, IElementType elementType) {
ImageRegistry imageRegistry = StateDiagramEditorPlugin.getInstance()
.getImageRegistry();
Image image = imageRegistry.get(key);
if (image == null && elementType != null
&& StateElementTypes.isKnownElementType(elementType)) {
image = StateElementTypes.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 StateNavigatorGroup) {
StateNavigatorGroup group = (StateNavigatorGroup) element;
return group.getGroupName();
}
if (element instanceof StateNavigatorItem) {
StateNavigatorItem navigatorItem = (StateNavigatorItem) 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 (StateVisualIDRegistry.getVisualID(view)) {
case StateEditPart.VISUAL_ID:
return getState_1000Text(view);
case RegionEditPart.VISUAL_ID:
return getRegion_2001Text(view);
case CityEditPart.VISUAL_ID:
return getCity_3001Text(view);
}
return getUnknownElementText(view);
}
/**
* @generated
*/
private String getState_1000Text(View view) {
State domainModelElement = (State) view.getElement();
if (domainModelElement != null) {
return domainModelElement.getName();
} else {
StateDiagramEditorPlugin.getInstance().logError(
"No domain element for view with visualID = " + 1000); //$NON-NLS-1$
return ""; //$NON-NLS-1$
}
}
/**
* @generated
*/
private String getRegion_2001Text(View view) {
IParser parser = StateParserProvider.getParser(
StateElementTypes.Region_2001,
view.getElement() != null ? view.getElement() : view,
StateVisualIDRegistry.getType(RegionNameEditPart.VISUAL_ID));
if (parser != null) {
return parser.getPrintString(new EObjectAdapter(
view.getElement() != null ? view.getElement() : view),
ParserOptions.NONE.intValue());
} else {
StateDiagramEditorPlugin.getInstance().logError(
"Parser was not found for label " + 5002); //$NON-NLS-1$
return ""; //$NON-NLS-1$
}
}
/**
* @generated
*/
private String getCity_3001Text(View view) {
IParser parser = StateParserProvider.getParser(
StateElementTypes.City_3001,
view.getElement() != null ? view.getElement() : view,
StateVisualIDRegistry.getType(CityNameEditPart.VISUAL_ID));
if (parser != null) {
return parser.getPrintString(new EObjectAdapter(
view.getElement() != null ? view.getElement() : view),
ParserOptions.NONE.intValue());
} else {
StateDiagramEditorPlugin.getInstance().logError(
"Parser was not found for label " + 5001); //$NON-NLS-1$
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 StateEditPart.MODEL_ID.equals(StateVisualIDRegistry
.getModelID(view));
}
}