/*
* 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.cde.ui;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import org.apache.uima.ruta.cde.utils.CDEComparatorFactory;
import org.apache.uima.ruta.cde.utils.DocumentData;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.IWorkbenchPart;
public class ResultViewComposite extends Composite implements ISelectionListener {
private Clipboard clipboard;
private TableViewer tableViewer;
private Table table;
private TableColumn tc1;
private TableColumn tc2;
private CDEComparatorFactory comparatorFactory;
public ResultViewComposite(Composite parent, int style) {
super(parent, style);
initGui();
comparatorFactory = new CDEComparatorFactory();
clipboard = new Clipboard(parent.getDisplay());
}
public void initGui() {
this.setLayout(new FormLayout());
tableViewer = new TableViewer(this, SWT.MULTI | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL
| SWT.FULL_SELECTION);
tableViewer.setContentProvider(new ResultViewContentProvder());
tableViewer.setLabelProvider(new ResultViewLabelProvider());
table = tableViewer.getTable();
FormData tableFormData = new FormData();
tableFormData.top = new FormAttachment(0, 5);
tableFormData.left = new FormAttachment(0, 5);
tableFormData.bottom = new FormAttachment(100, -5);
tableFormData.right = new FormAttachment(100, -5);
table.setLayoutData(tableFormData);
table.addKeyListener(new KeyListener() {
public void keyPressed(KeyEvent e) {
if (((e.stateMask & SWT.CTRL) == SWT.CTRL) && (e.keyCode == 'c')) {
String output = "";
TableItem[] items = table.getSelection();
for (TableItem item : items) {
String[] data = (String[]) item.getData();
output = output + data[0] + ", " + data[1] + ", \n";
}
clipboard.setContents(new Object[] { output },
new Transfer[] { TextTransfer.getInstance() });
}
}
public void keyReleased(KeyEvent arg0) {
// TODO Auto-generated method stub
}
});
tc1 = new TableColumn(table, SWT.LEFT);
tc1.setText("Constraint ");
tc1.setWidth(160);
tc1.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
ArrayList<String[]> data = (ArrayList<String[]>) tableViewer.getInput();
Comparator comparator = comparatorFactory.getComparator(tc1);
Collections.sort(data, comparator);
tableViewer.refresh();
}
});
tc2 = new TableColumn(table, SWT.LEFT);
tc2.setText("Result");
tc2.setWidth(120);
tc2.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
ArrayList<String[]> data = (ArrayList<String[]>) tableViewer.getInput();
Comparator comparator = comparatorFactory.getComparator(tc2);
Collections.sort(data, comparator);
tableViewer.refresh();
}
});
tableViewer.refresh();
table.setHeaderVisible(true);
table.setLinesVisible(true);
}
public void updateInput(Object input) {
tableViewer.setInput(input);
tableViewer.refresh();
}
public void selectionChanged(IWorkbenchPart part, ISelection selection) {
if (selection instanceof IStructuredSelection) {
IStructuredSelection strucSel = (IStructuredSelection) selection;
Iterator<?> iter = strucSel.iterator();
if (iter.hasNext()) {
Object o = iter.next();
if (o instanceof DocumentData) {
DocumentData data = (DocumentData) o;
ArrayList<String[]> results = data.getResults();
tableViewer.setInput(results);
tableViewer.refresh();
}
}
}
}
public TableViewer getViewer() {
return tableViewer;
}
}