/*
* 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.uima.ruta.explain.matched;
import java.util.HashMap;
import java.util.Map;
import org.apache.uima.caseditor.editor.AnnotationEditor;
import org.apache.uima.ruta.addons.RutaAddonsPlugin;
import org.apache.uima.ruta.explain.ExplainConstants;
import org.apache.uima.ruta.explain.apply.ApplyView;
import org.apache.uima.ruta.explain.rulelist.RuleListView;
import org.apache.uima.ruta.explain.selection.ExplainSelectionView;
import org.apache.uima.ruta.explain.tree.BlockApplyNode;
import org.apache.uima.ruta.explain.tree.MatchedRootNode;
import org.apache.uima.ruta.explain.tree.RuleApplyNode;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.CheckboxTreeViewer;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.part.Page;
public class MatchedViewPage extends Page implements ISelectionListener {
private CheckboxTreeViewer treeView;
private Map<String, Image> images;
public MatchedViewPage(AnnotationEditor editor) {
super();
}
@Override
public void dispose() {
super.dispose();
getSite().getPage().removeSelectionListener(this);
if (images != null) {
for (Image each : images.values()) {
each.dispose();
}
}
}
private void initImages() {
images = new HashMap<String, Image>();
ImageDescriptor desc;
Image image;
String name;
desc = RutaAddonsPlugin.getImageDescriptor("/icons/accept.png");
image = desc.createImage();
name = "matched";
images.put(name, image);
desc = RutaAddonsPlugin.getImageDescriptor("/icons/cancel.png");
image = desc.createImage();
name = "failed";
images.put(name, image);
desc = RutaAddonsPlugin.getImageDescriptor("/icons/font_add.png");
image = desc.createImage();
name = ExplainConstants.MATCHED_RULE_MATCH_TYPE;
images.put(name, image);
desc = RutaAddonsPlugin.getImageDescriptor("/icons/font_delete.png");
image = desc.createImage();
name = ExplainConstants.FAILED_RULE_MATCH_TYPE;
images.put(name, image);
}
public Image getImage(String name) {
if (images == null) {
initImages();
}
return images.get(name);
}
@Override
public void createControl(Composite parent) {
treeView = new CheckboxTreeViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL);
treeView.setContentProvider(new MatchedTreeContentProvider());
treeView.setLabelProvider(new MatchedTreeLabelProvider(this));
treeView.setInput(null);
getSite().setSelectionProvider(treeView);
getSite().getPage().addSelectionListener(this);
}
@Override
public Control getControl() {
return treeView.getControl();
}
@Override
public void setFocus() {
treeView.getControl().setFocus();
}
public void inputChange(Object newInput) {
if (newInput != null && newInput instanceof MatchedRootNode && treeView != null
&& newInput != treeView.getInput()) {
this.treeView.setInput(newInput);
this.treeView.refresh();
}
}
public void selectionChanged(IWorkbenchPart part, ISelection selection) {
if (selection instanceof TreeSelection
&& (part instanceof ApplyView || part instanceof RuleListView || part instanceof ExplainSelectionView)) {
TreeSelection ts = (TreeSelection) selection;
Object firstElement = ts.getFirstElement();
if (firstElement instanceof BlockApplyNode) {
BlockApplyNode block = (BlockApplyNode) firstElement;
inputChange(block.getBlockRuleNode().getMatchedChild());
} else if (firstElement instanceof RuleApplyNode) {
RuleApplyNode rule = (RuleApplyNode) firstElement;
inputChange(rule.getMatchedChild());
}
}
}
}