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/*******************************************************************************
* Copyright (c) 2003, 2004 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.j2ee.common.internal.provider;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.jst.j2ee.internal.common.CommonEditResourceHandler;
import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin;
/**
* This extended item provider supports two addition features, (@link CreateChildCommand} and
* {@link CreateChildrenCommand}. These two actions are implemented uniformly on all our item
* adapters using this common base class.
*/
public class CommonItemProviderAdapter extends ItemProviderAdapter {
/**
* This creates and instance from an adapter factory and a domain notifier.
*/
protected CommonItemProviderAdapter(AdapterFactory adapterFactory) {
super(adapterFactory);
}
/**
* This implements the default behavior for {@link CreateChildCommand}.
*/
public Object createChild(Object object) {
return null;
}
/**
* This creates the default new children for {@link CreateChildrenCommand}.
*/
public Collection createChildren(Object object) {
return Collections.EMPTY_LIST;
}
/**
* This returns the default image for {@link com.ibm.etools.common.command.CreateChildCommand}.
*/
public Object getCreateChildImage(Object object) {
EObject refObject = (EObject) object;
Collection localChildrenReferences = getChildrenReferences(object);
if (localChildrenReferences.size() != 1) {
return J2EEPlugin.getPlugin().getImage("create_child");//$NON-NLS-1$
}
return J2EEPlugin.getPlugin().getImage(refObject.eClass().getName() + "Create" + //$NON-NLS-1$
((EReference) localChildrenReferences.iterator().next()).getEType().getName());
}
/**
* This returns the default create children label.
*/
public String getCreateChildrenText(Object object) {
//EObject refObject = (EObject)object;
Collection localChildrenReferences = getChildrenReferences(object);
if (localChildrenReferences.size() != 1) {
return CommonEditResourceHandler.getString("Create_Two_Children_UI_"); //$NON-NLS-1$
}
return CommonEditResourceHandler.getString("21concat", (new Object[]{((EReference) localChildrenReferences.iterator().next()).getEType().getName()})); //$NON-NLS-1$
}
/**
* This returns the default create children help text.
*/
public String getCreateChildrenToolTipText(Object object) {
EObject refObject = (EObject) object;
Collection localChildrenReferences = getChildrenReferences(object);
if (localChildrenReferences.size() != 1) {
return CommonEditResourceHandler.getString("19concat_UI_", (new Object[]{refObject.eClass().getName()})); //$NON-NLS-1$
}
return CommonEditResourceHandler.getString("20concat_UI_", (new Object[]{((EReference) localChildrenReferences.iterator().next()).getEType().getName(), refObject.eClass().getName()})); //$NON-NLS-1$ = "Create two new children of type {0} for the selected {1}."
}
/**
* This returns the default label for {@link com.ibm.etools.common.command.CreateChildCommand}.
*/
public String getCreateChildText(Object object) {
//EObject refObject = (EObject)object;
Collection localChildrenReferences = getChildrenReferences(object);
if (localChildrenReferences.size() != 1) {
return CommonEditResourceHandler.getString("Create_Child_UI_"); //$NON-NLS-1$
}
return CommonEditResourceHandler.getString("18concat_UI_", (new Object[]{((EReference) localChildrenReferences.iterator().next()).getEType().getName()})); //$NON-NLS-1$ = "Create {0}"
}
/**
* This returns the default help text for
* {@link com.ibm.etools.common.command.CreateChildCommand}.
*/
public String getCreateChildToolTipText(Object object) {
EObject refObject = (EObject) object;
Collection localChildrenReferences = getChildrenReferences(object);
if (localChildrenReferences.size() != 1) {
return CommonEditResourceHandler.getString("29concat", (new Object[]{refObject.eClass().getName()})); //$NON-NLS-1$ = "Create a new child for the selected {0}."
}
return CommonEditResourceHandler.getString("16concat_UI_", (new Object[]{((EReference) localChildrenReferences.iterator().next()).getEType().getName(), refObject.eClass().getName()})); //$NON-NLS-1$ = "Create a child of type {0} for the selected {1}."
}
}
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