/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.felix.sigil.eclipse.ui.internal.refactor;
import org.apache.felix.sigil.common.model.osgi.IPackageExport;
import org.eclipse.ltk.ui.refactoring.ChangePreviewViewerInput;
import org.eclipse.ltk.ui.refactoring.IChangePreviewViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ViewForm;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
/**
* @author dave
*
*/
public class ExportChangePreviewViewer implements IChangePreviewViewer
{
private ViewForm control;
private Label text;
/* (non-Javadoc)
* @see org.eclipse.ltk.ui.refactoring.IChangePreviewViewer#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl(Composite parent)
{
control = new ViewForm(parent, SWT.NONE);
text = new Label(control, SWT.NONE);
}
/* (non-Javadoc)
* @see org.eclipse.ltk.ui.refactoring.IChangePreviewViewer#getControl()
*/
public Control getControl()
{
return control;
}
/* (non-Javadoc)
* @see org.eclipse.ltk.ui.refactoring.IChangePreviewViewer#setInput(org.eclipse.ltk.ui.refactoring.ChangePreviewViewerInput)
*/
public void setInput(ChangePreviewViewerInput input)
{
ExportPackageChange change = (ExportPackageChange) input.getChange();
StringBuilder buf = new StringBuilder();
buf.append("Export-Package: \n");
if ( change.getOldExport() != null ) {
buf.append("- ");
appendPackage(change.getOldExport(), buf);
buf.append("\n");
}
if ( change.getNewExport() != null ) {
buf.append("+ ");
appendPackage(change.getNewExport(), buf);
buf.append("\n");
}
text.setText(buf.toString());
}
/**
* @param pe
* @param buf
*/
private void appendPackage(IPackageExport pe, StringBuilder buf)
{
buf.append(pe.getPackageName());
if (pe.getVersion() != null) {
buf.append(";version=");
buf.append(pe.getVersion());
}
}
}