net.certiv.certivtools.prefs.TopLevelPage.java Source code

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Here is the source code for net.certiv.certivtools.prefs.TopLevelPage.java

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/*******************************************************************************
 * Copyright 2013, Gerald B. Rosenberg, Certiv Analytics.
 * 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:
 *     Certiv Analytics 
 *******************************************************************************/
package net.certiv.certivtools.prefs;

import java.util.Collections;
import java.util.Dictionary;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.osgi.framework.Bundle;

import net.certiv.certivtools.CertivTools;

public class TopLevelPage extends PreferencePage implements IWorkbenchPreferencePage {

    private static final String Ident = "net.certiv";
    private static final String Name = "Bundle-Name";
    private static final String Version = "Bundle-Version";

    private static final int Style = SWT.LEFT | SWT.HORIZONTAL;

    public TopLevelPage() {
        super();
        setPreferenceStore(CertivTools.getDefault().getPreferenceStore());
        setDescription("");
    }

    public void init(IWorkbench workbench) {
    }

    @Override
    protected Control createContents(Composite parent) {

        Composite base = new Composite(parent, SWT.NO_FOCUS);
        GridDataFactory.fillDefaults().grab(true, true).span(2, 1).applyTo(base);
        GridLayoutFactory.fillDefaults().extendedMargins(0, 6, 6, 0).applyTo(base);

        Group toolsGroup = new Group(base, SWT.NONE);
        toolsGroup.setText("Installed Tools");

        Bundle[] bundles = CertivTools.getDefault().getContext().getBundles();
        Map<String, String> kvMap = new HashMap<>();
        for (Bundle b : bundles) {
            if (b.getSymbolicName().startsWith(Ident)) {
                Dictionary<String, String> headers = b.getHeaders();
                kvMap.put(headers.get(Name), b.getSymbolicName() + "_" + headers.get(Version));
            }
        }

        List<String> kList = new LinkedList<>(kvMap.keySet());
        Collections.sort(kList);

        for (String pName : kList) {
            String pVersion = kvMap.get(pName);
            Label lbl = new Label(toolsGroup, Style);
            lbl.setText(pName);
            lbl = new Label(toolsGroup, Style);
            lbl.setText("    " + pVersion);
        }

        GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(toolsGroup);
        GridLayoutFactory.fillDefaults().numColumns(2).margins(16, 12).applyTo(toolsGroup);

        return parent;
    }
}