/*
* Copyright 2007 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.devtools.depan.eclipse.views.tools;
import com.google.devtools.depan.eclipse.utils.DoubleElementEditorChooser;
import com.google.devtools.depan.eclipse.utils.Resources;
import com.google.devtools.depan.eclipse.views.ViewSelectionListenerTool;
import com.google.devtools.depan.model.GraphNode;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import java.util.Collection;
/**
* A refactoring tool. For now, only shows a {@link DoubleElementEditorChooser}
* associated with the first selected Element.
*
* @author ycoppel@google.com (Yohann Coppel)
*
*/
public class RefactorTool extends ViewSelectionListenerTool {
private DoubleElementEditorChooser chooser;
@Override
public void emptySelection() {
chooser.setNoEditor();
}
protected void setNode(GraphNode node) {
chooser.setEditorFor(node);
}
@Override
public Image getIcon() {
return Resources.IMAGE_REFACTORING;
}
@Override
public String getName() {
return Resources.NAME_REFACTORING;
}
@Override
public Control setupComposite(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
chooser = new DoubleElementEditorChooser(composite, SWT.NONE);
// layout
GridLayout layout = new GridLayout(2, false);
composite.setLayout(layout);
chooser.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
return composite;
}
@Override
public void updateSelectedExtend(Collection<GraphNode> extension) {
if (extension.size() == 0) {
emptySelection();
return;
}
setNode(extension.iterator().next());
}
@Override
public void updateSelectedReduce(Collection<GraphNode> reduction) {
emptySelection();
}
@Override
public void updateSelectionTo(Collection<GraphNode> selection) {
emptySelection();
updateSelectedExtend(selection);
}
}