edu.washington.cs.cupid.junit.preferences.JUnitPreferencePage.java Source code

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Here is the source code for edu.washington.cs.cupid.junit.preferences.JUnitPreferencePage.java

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/*******************************************************************************
 * Copyright (c) 2013 Todd Schiller.
 * 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:
 *     Todd Schiller - initial API, implementation, and documentation
 ******************************************************************************/
package edu.washington.cs.cupid.junit.preferences;

import java.util.List;
import java.util.Set;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchManager;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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 org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

import com.google.common.base.Joiner;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;

import edu.washington.cs.cupid.junit.internal.Activator;

/**
 * The JUnit capabilities preference page.
 * @author Todd Schiller
 */
public final class JUnitPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

    private Table table;

    /**
     * Construct the JUnit capabilities preference page.
     */
    public JUnitPreferencePage() {
        setPreferenceStore(Activator.getDefault().getPreferenceStore());
        setDescription("Cupid JUnit Preference Page");
    }

    @Override
    public void init(final IWorkbench workbench) {
    }

    private void update() {
        List<String> active = Lists.newArrayList();

        for (TableItem item : table.getItems()) {
            if (item.getChecked()) {
                active.add(item.getText());
            }
        }

        Activator.getDefault().getPreferenceStore().setValue(PreferenceConstants.P_ACTIVE,
                Joiner.on(";").join(active));
    }

    @Override
    protected Control createContents(final Composite parent) {

        Set<String> current = Sets.newHashSet(
                Activator.getDefault().getPreferenceStore().getString(PreferenceConstants.P_ACTIVE).split(";"));

        Composite composite = new Composite(parent, SWT.NONE);

        GridLayout layout = new GridLayout();
        layout.numColumns = 1;
        layout.marginRight = 5;
        layout.marginTop = 5;
        layout.marginWidth = 0;
        composite.setLayout(layout);

        GridData data = new GridData(GridData.FILL_BOTH);
        composite.setLayoutData(data);

        Label label = new Label(composite, SWT.NONE);
        label.setText("Active JUnit Capabilities:");

        table = new Table(composite, SWT.CHECK | SWT.BORDER | SWT.V_SCROLL);
        data = new GridData(GridData.FILL_BOTH);
        table.setLayoutData(data);
        table.setHeaderVisible(true);

        String[] titles = { "Test Configuration" };

        for (int i = 0; i < titles.length; i++) {
            TableColumn column = new TableColumn(table, SWT.NULL);
            column.setText(titles[i]);
        }

        ILaunchManager launches = DebugPlugin.getDefault().getLaunchManager();
        try {
            for (ILaunchConfiguration config : launches.getLaunchConfigurations()) {
                TableItem item = new TableItem(table, SWT.NULL);
                item.setText(config.getName());
                item.setText(0, config.getName());

                if (current.contains(config.getName())) {
                    item.setChecked(true);
                }
            }
        } catch (CoreException e) {
            // NO OP
        }

        for (int i = 0; i < titles.length; i++) {
            table.getColumn(i).pack();
        }

        table.addSelectionListener(new SelectionListener() {
            @Override
            public void widgetSelected(final SelectionEvent e) {
                if (e.detail == SWT.CHECK) {
                    update();
                }
            }

            @Override
            public void widgetDefaultSelected(final SelectionEvent e) {
                // NO OP
            }
        });

        return null;
    }

}