/*
* 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.relationaldatabase.diagram.navigator;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.gmf.runtime.common.ui.services.parser.CommonParserHint;
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.relationaldatabase.diagram.edit.parts.ColumnEditPart;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.parts.ColumnNameEditPart;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.parts.ForeignKeyEditPart;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.parts.ForeignKeyForeignColumnEditPart;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.parts.ForeignKeyNameEditPart;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.parts.ForeignKeyTableColumnEditPart;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.parts.RelationalDatabaseEditPart;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.parts.TableEditPart;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.parts.TableNameEditPart;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.part.RelationalDatabaseDiagramEditorPlugin;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.part.RelationalDatabaseVisualIDRegistry;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.providers.RelationalDatabaseElementTypes;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.providers.RelationalDatabaseParserProvider;
/**
* @generated
*/
public class RelationalDatabaseNavigatorLabelProvider extends LabelProvider
implements ICommonLabelProvider, ITreePathLabelProvider {
/**
* @generated
*/
static {
RelationalDatabaseDiagramEditorPlugin
.getInstance()
.getImageRegistry()
.put("Navigator?UnknownElement", ImageDescriptor.getMissingImageDescriptor()); //$NON-NLS-1$
RelationalDatabaseDiagramEditorPlugin
.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 RelationalDatabaseNavigatorItem
&& !isOwnView(((RelationalDatabaseNavigatorItem) element)
.getView())) {
return;
}
label.setText(getText(element));
label.setImage(getImage(element));
}
/**
* @generated
*/
public Image getImage(Object element) {
if (element instanceof RelationalDatabaseNavigatorGroup) {
RelationalDatabaseNavigatorGroup group = (RelationalDatabaseNavigatorGroup) element;
return RelationalDatabaseDiagramEditorPlugin.getInstance()
.getBundledImage(group.getIcon());
}
if (element instanceof RelationalDatabaseNavigatorItem) {
RelationalDatabaseNavigatorItem navigatorItem = (RelationalDatabaseNavigatorItem) element;
if (!isOwnView(navigatorItem.getView())) {
return super.getImage(element);
}
return getImage(navigatorItem.getView());
}
// Due to plugin.xml content will be called only for "own" views
if (element instanceof IAdaptable) {
View view = (View) ((IAdaptable) element).getAdapter(View.class);
if (view != null && isOwnView(view)) {
return getImage(view);
}
}
return super.getImage(element);
}
/**
* @generated
*/
public Image getImage(View view) {
switch (RelationalDatabaseVisualIDRegistry.getVisualID(view)) {
case ForeignKeyTableColumnEditPart.VISUAL_ID:
return getImage(
"Navigator?Link?http://se.cs.toronto.edu/modelepedia/RelationalDatabase?ForeignKey?tableColumn", RelationalDatabaseElementTypes.ForeignKeyTableColumn_4001); //$NON-NLS-1$
case ColumnEditPart.VISUAL_ID:
return getImage(
"Navigator?Node?http://se.cs.toronto.edu/modelepedia/RelationalDatabase?Column", RelationalDatabaseElementTypes.Column_3001); //$NON-NLS-1$
case ForeignKeyForeignColumnEditPart.VISUAL_ID:
return getImage(
"Navigator?Link?http://se.cs.toronto.edu/modelepedia/RelationalDatabase?ForeignKey?foreignColumn", RelationalDatabaseElementTypes.ForeignKeyForeignColumn_4002); //$NON-NLS-1$
case RelationalDatabaseEditPart.VISUAL_ID:
return getImage(
"Navigator?Diagram?http://se.cs.toronto.edu/modelepedia/RelationalDatabase?RelationalDatabase", RelationalDatabaseElementTypes.RelationalDatabase_1000); //$NON-NLS-1$
case ForeignKeyEditPart.VISUAL_ID:
return getImage(
"Navigator?Node?http://se.cs.toronto.edu/modelepedia/RelationalDatabase?ForeignKey", RelationalDatabaseElementTypes.ForeignKey_3002); //$NON-NLS-1$
case TableEditPart.VISUAL_ID:
return getImage(
"Navigator?TopLevelNode?http://se.cs.toronto.edu/modelepedia/RelationalDatabase?Table", RelationalDatabaseElementTypes.Table_2001); //$NON-NLS-1$
}
return getImage("Navigator?UnknownElement", null); //$NON-NLS-1$
}
/**
* @generated
*/
private Image getImage(String key, IElementType elementType) {
ImageRegistry imageRegistry = RelationalDatabaseDiagramEditorPlugin
.getInstance().getImageRegistry();
Image image = imageRegistry.get(key);
if (image == null
&& elementType != null
&& RelationalDatabaseElementTypes
.isKnownElementType(elementType)) {
image = RelationalDatabaseElementTypes.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 RelationalDatabaseNavigatorGroup) {
RelationalDatabaseNavigatorGroup group = (RelationalDatabaseNavigatorGroup) element;
return group.getGroupName();
}
if (element instanceof RelationalDatabaseNavigatorItem) {
RelationalDatabaseNavigatorItem navigatorItem = (RelationalDatabaseNavigatorItem) element;
if (!isOwnView(navigatorItem.getView())) {
return null;
}
return getText(navigatorItem.getView());
}
// Due to plugin.xml content will be called only for "own" views
if (element instanceof IAdaptable) {
View view = (View) ((IAdaptable) element).getAdapter(View.class);
if (view != null && isOwnView(view)) {
return getText(view);
}
}
return super.getText(element);
}
/**
* @generated
*/
public String getText(View view) {
if (view.getElement() != null && view.getElement().eIsProxy()) {
return getUnresolvedDomainElementProxyText(view);
}
switch (RelationalDatabaseVisualIDRegistry.getVisualID(view)) {
case ForeignKeyTableColumnEditPart.VISUAL_ID:
return getForeignKeyTableColumn_4001Text(view);
case ColumnEditPart.VISUAL_ID:
return getColumn_3001Text(view);
case ForeignKeyForeignColumnEditPart.VISUAL_ID:
return getForeignKeyForeignColumn_4002Text(view);
case RelationalDatabaseEditPart.VISUAL_ID:
return getRelationalDatabase_1000Text(view);
case ForeignKeyEditPart.VISUAL_ID:
return getForeignKey_3002Text(view);
case TableEditPart.VISUAL_ID:
return getTable_2001Text(view);
}
return getUnknownElementText(view);
}
/**
* @generated
*/
private String getForeignKeyTableColumn_4001Text(View view) {
IParser parser = RelationalDatabaseParserProvider.getParser(
RelationalDatabaseElementTypes.ForeignKeyTableColumn_4001,
view.getElement() != null ? view.getElement() : view,
CommonParserHint.DESCRIPTION);
if (parser != null) {
return parser.getPrintString(new EObjectAdapter(
view.getElement() != null ? view.getElement() : view),
ParserOptions.NONE.intValue());
} else {
RelationalDatabaseDiagramEditorPlugin.getInstance().logError(
"Parser was not found for label " + 6001); //$NON-NLS-1$
return ""; //$NON-NLS-1$
}
}
/**
* @generated
*/
private String getColumn_3001Text(View view) {
IParser parser = RelationalDatabaseParserProvider.getParser(
RelationalDatabaseElementTypes.Column_3001,
view.getElement() != null ? view.getElement() : view,
RelationalDatabaseVisualIDRegistry
.getType(ColumnNameEditPart.VISUAL_ID));
if (parser != null) {
return parser.getPrintString(new EObjectAdapter(
view.getElement() != null ? view.getElement() : view),
ParserOptions.NONE.intValue());
} else {
RelationalDatabaseDiagramEditorPlugin.getInstance().logError(
"Parser was not found for label " + 5001); //$NON-NLS-1$
return ""; //$NON-NLS-1$
}
}
/**
* @generated
*/
private String getForeignKeyForeignColumn_4002Text(View view) {
IParser parser = RelationalDatabaseParserProvider.getParser(
RelationalDatabaseElementTypes.ForeignKeyForeignColumn_4002,
view.getElement() != null ? view.getElement() : view,
CommonParserHint.DESCRIPTION);
if (parser != null) {
return parser.getPrintString(new EObjectAdapter(
view.getElement() != null ? view.getElement() : view),
ParserOptions.NONE.intValue());
} else {
RelationalDatabaseDiagramEditorPlugin.getInstance().logError(
"Parser was not found for label " + 6002); //$NON-NLS-1$
return ""; //$NON-NLS-1$
}
}
/**
* @generated
*/
private String getRelationalDatabase_1000Text(View view) {
return ""; //$NON-NLS-1$
}
/**
* @generated
*/
private String getForeignKey_3002Text(View view) {
IParser parser = RelationalDatabaseParserProvider.getParser(
RelationalDatabaseElementTypes.ForeignKey_3002, view
.getElement() != null ? view.getElement() : view,
RelationalDatabaseVisualIDRegistry
.getType(ForeignKeyNameEditPart.VISUAL_ID));
if (parser != null) {
return parser.getPrintString(new EObjectAdapter(
view.getElement() != null ? view.getElement() : view),
ParserOptions.NONE.intValue());
} else {
RelationalDatabaseDiagramEditorPlugin.getInstance().logError(
"Parser was not found for label " + 5002); //$NON-NLS-1$
return ""; //$NON-NLS-1$
}
}
/**
* @generated
*/
private String getTable_2001Text(View view) {
IParser parser = RelationalDatabaseParserProvider.getParser(
RelationalDatabaseElementTypes.Table_2001,
view.getElement() != null ? view.getElement() : view,
RelationalDatabaseVisualIDRegistry
.getType(TableNameEditPart.VISUAL_ID));
if (parser != null) {
return parser.getPrintString(new EObjectAdapter(
view.getElement() != null ? view.getElement() : view),
ParserOptions.NONE.intValue());
} else {
RelationalDatabaseDiagramEditorPlugin.getInstance().logError(
"Parser was not found for label " + 5003); //$NON-NLS-1$
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 RelationalDatabaseEditPart.MODEL_ID
.equals(RelationalDatabaseVisualIDRegistry.getModelID(view));
}
}