SpecfileElementHyperlink.java

/*******************************************************************************
 * Copyright (c) 2008 Alexander Kurtakov.
 * 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:
 *    Alexander Kurtakov - initial API and implementation
 *******************************************************************************/
package org.eclipse.linuxtools.internal.rpm.ui.editor.hyperlink;

import java.util.HashMap;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.eclipse.linuxtools.internal.rpm.ui.editor.SpecfileLog;
import org.eclipse.linuxtools.rpm.ui.editor.parser.SpecfileElement;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;

/**
 * Hyperlink implementation for the following hyperlink elements: SOURCE, PATCH
 * and %define.
 */
public class SpecfileElementHyperlink implements IHyperlink {
    private IRegion region;
    private SpecfileElement source;
    private IFile file;

    public SpecfileElementHyperlink(IRegion region, SpecfileElement source,
            IFile file) {
        this.region = region;
        this.source = source;
        this.file = file;
    }

    @Override
    public IRegion getHyperlinkRegion() {
        return region;
    }

    @Override
    public String getHyperlinkText() {
        return NLS.bind(Messages.SourcesFileHyperlink_3, source.getName());
    }

    @Override
    public String getTypeLabel() {
        return null;
    }

    @Override
    public void open() {
        IWorkbenchPage page = PlatformUI.getWorkbench()
                .getActiveWorkbenchWindow().getActivePage();
        IEditorDescriptor desc = PlatformUI.getWorkbench().getEditorRegistry()
                .getDefaultEditor(file.getName());
        HashMap<String, Object> map = new HashMap<>();
        // TODO don't increment the line number once the SpecfileSource reports
        // correct line
        map.put(IMarker.LINE_NUMBER, Integer
                .valueOf(getSource().getLineNumber() + 1));
        map.put(IDE.EDITOR_ID_ATTR, desc.getId());
        try {
            IMarker marker = file.createMarker(IMarker.TEXT);
            marker.setAttributes(map);
            IDE.openEditor(page, marker);
            marker.delete();
        } catch (CoreException e) {
            SpecfileLog.logError(e);
        }
    }

    /**
     * @return the source
     */
    public SpecfileElement getSource() {
        return source;
    }

}