org.eclipse.m2e.sourcelookup.ui/src/org/eclipse/m2e/sourcelookup/ui/internal/SourceLookupPreferencePage.java

/*******************************************************************************
 * Copyright (c) 2014 Igor Fedorenko
 * 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:
 *      Igor Fedorenko - initial API and implementation
 *******************************************************************************/
package org.eclipse.m2e.sourcelookup.ui.internal;

import org.eclipse.jdt.internal.launching.sourcelookup.advanced.AdvancedSourceLookupSupport;
import org.eclipse.jface.preference.JFacePreferences;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.resource.JFaceColors;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Point;
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.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;


public class SourceLookupPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
  private Text vmArguments;

  private Text launchFileVMArguments;

  private Text launchFileAttribute;

  public SourceLookupPreferencePage() {
    setMessage("Manual configuration of dynamic source lookup");
    noDefaultAndApplyButton();
  }

  public void init(IWorkbench workbench) {}

  @Override
  protected Control createContents(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE) {
      @Override
      public Point computeSize(int wHint, int hHint, boolean changed) {
        return new Point(0, 0);
      }
    };

    GridLayout gl_composite = new GridLayout(1, false);
    gl_composite.marginWidth = 0;
    gl_composite.marginHeight = 0;
    composite.setLayout(gl_composite);

    Color background = JFaceResources.getColorRegistry().get(JFacePreferences.INFORMATION_BACKGROUND_COLOR);
    if(background == null) {
        background = JFaceColors.getInformationViewerBackgroundColor(Display.getCurrent());
    }
    composite.setBackground(background);
    Label lblVMArguments = new Label(composite, SWT.NONE);
    lblVMArguments.setText("VM arguments:");

    vmArguments = new Text(composite, SWT.BORDER | SWT.READ_ONLY | SWT.WRAP);
    vmArguments.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
    vmArguments.setText(AdvancedSourceLookupSupport.getJavaagentString());
    vmArguments.setBackground(background);

    Label lblLaunchVMArguments = new Label(composite, SWT.NONE);
    lblLaunchVMArguments.setText(".launch file VM arguments:");

    launchFileVMArguments = new Text(composite, SWT.BORDER | SWT.READ_ONLY | SWT.WRAP);
    launchFileVMArguments.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
    launchFileVMArguments.setText("-javaagent:${sourcelookup_agent_path}");
    launchFileVMArguments.setBackground(background);

    Label lblLaunchFileAttribute = new Label(composite, SWT.NONE);
    lblLaunchFileAttribute.setText(".launch file attribute:");

    launchFileAttribute = new Text(composite, SWT.BORDER | SWT.READ_ONLY | SWT.WRAP);
    launchFileAttribute.setText(
        "<stringAttribute key=\"org.eclipse.debug.core.source_locator_id\" value=\"org.eclipse.m2e.sourcelookupDirector\"/>\n");
    launchFileAttribute.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
    launchFileAttribute.setBackground(background);
    return composite;
  }
}