/*
* JBoss, Home of Professional Open Source.
*
* See the LEGAL.txt file distributed with this work for information regarding copyright ownership and licensing.
*
* See the AUTHORS.txt file distributed with this work for a full listing of individual contributors.
*/
package org.teiid.designer.transformation.ui.actions;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbenchPart;
import org.teiid.core.designer.ModelerCoreException;
import org.teiid.designer.core.ModelerCore;
import org.teiid.designer.metamodels.diagram.Diagram;
import org.teiid.designer.transformation.ui.UiConstants;
import org.teiid.designer.ui.common.eventsupport.SelectionUtilities;
import org.teiid.designer.ui.viewsupport.ModelUtilities;
/**
* CloneAction
*
* @since 8.0
*/
public class CloneAction
extends TransformationAction
implements UiConstants
{
//============================================================================================================================
// Constants
private static final String PROBLEM = "CloneAction.problem"; //$NON-NLS-1$
private static final String UNDO_TEXT = "CloneAction.undoText"; //$NON-NLS-1$
private static final String PLURAL_UNDO_TEXT = "CloneAction.pluralUndoText"; //$NON-NLS-1$
//============================================================================================================================
// Constructors
/**
* Construct an instance of CloneAction.
*
*/
public CloneAction(EObject transformationEObject, Diagram diagram) {
super( transformationEObject, diagram );
}
//============================================================================================================================
// ISelectionListener Methods
/**
* @see org.eclipse.ui.ISelectionListener#selectionChanged(IWorkbenchPart, ISelection)
* @since 4.0
*/
@Override
public void selectionChanged(final IWorkbenchPart part, final ISelection selection) {
// sample code:
super.selectionChanged(part, selection);
determineEnablement();
}
//============================================================================================================================
// Action Methods
/**
* @see org.eclipse.jface.action.Action#run()
* @since 4.0
*/
@Override
protected void doRun() {
String objectString = null;
List lstObjs = SelectionUtilities.getSelectedEObjects(getSelection());
String description;
if (lstObjs.size() == 1) {
EObject obj = (EObject)lstObjs.get(0);
ILabelProvider ilp = ModelUtilities.getEMFLabelProvider();
objectString = ilp.getText(obj);
description = getPluginUtils().getString(UNDO_TEXT, objectString);
} else {
objectString = "" + lstObjs.size(); //$NON-NLS-1$
description = getPluginUtils().getString(PLURAL_UNDO_TEXT, objectString);
}
boolean requiredStart = ModelerCore.startTxn(true, true, description, this);
boolean succeeded = false;
try {
TransformationGlobalActionsManager.clone( lstObjs );
succeeded = true;
} catch (ModelerCoreException theException) {
String msg = getPluginUtils().getString(PROBLEM, objectString);
getPluginUtils().log(IStatus.ERROR, theException, msg);
setEnabled(false);
} finally {
if(requiredStart) {
if(succeeded) {
ModelerCore.commitTxn();
} else {
ModelerCore.rollbackTxn();
}
}
}
setEnabled(false);
}
private void determineEnablement() {
boolean enable = false;
if (!isDependencyDiagram() && areEObjectsSelected() && !isReadOnly()) {
List sourceEObjects = Collections.EMPTY_LIST;
if (isEObjectSelected()) {
Object o = SelectionUtilities.getSelectedEObject(getSelection());
sourceEObjects = new ArrayList(1);
sourceEObjects.add(o);
} else if (areEObjectsSelected()) {
sourceEObjects = SelectionUtilities.getSelectedEObjects(getSelection());
}
if( !sourceEObjects.isEmpty() )
enable =TransformationGlobalActionsManager.canClone( getTransformation(), sourceEObjects );
else
enable = false;
}
setEnabled(enable);
}
}