dataTool.ui.ShowDataInBreadcrumbAction.java Source code

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Here is the source code for dataTool.ui.ShowDataInBreadcrumbAction.java

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/*******************************************************************************
 * Copyright (c) 2008 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package dataTool.ui;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IPerspectiveDescriptor;
import org.eclipse.ui.IWorkbenchPage;

import dataTool.DataCallHierarchy;
import dataTool.DataNode;
import dataTool.Finder;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
import org.eclipse.jdt.internal.ui.javaeditor.JavaEditorBreadcrumb;
import org.eclipse.jdt.internal.ui.javaeditor.ShowInBreadcrumbAction;
import org.eclipse.jdt.internal.ui.javaeditor.breadcrumb.IBreadcrumb;

/**
 * Action to set the focus into the editor breadcrumb.
 * The breadcrumb is made visible if it is hidden.
 *
 * @since 3.4
 */
public class ShowDataInBreadcrumbAction extends ShowInBreadcrumbAction {

    private final JavaEditor fEditor;
    private IWorkbenchPage page;

    public ShowDataInBreadcrumbAction(JavaEditor editor, IWorkbenchPage wbpage) {
        super(editor);
        fEditor = editor;
        page = wbpage;
        setEnabled(true);
    }

    /*
     * @see org.eclipse.jface.action.Action#run()
     */
    public void run() {
        IBreadcrumb breadcrumb = fEditor.getBreadcrumb();
        IBreadcrumb breadcrumb2 = fEditor.getBreadcrumb2();
        if (breadcrumb2 == null || breadcrumb2 == null) {
            return;
        }

        IPreferenceStore store = JavaPlugin.getDefault().getPreferenceStore();
        store.setValue(getPreferenceKey(), true);
        fEditor.showBreadcrumbs();
        breadcrumb.activate();
        breadcrumb2.activate();
    }

    public void stop() {
        IBreadcrumb breadcrumb = fEditor.getBreadcrumb();
        IBreadcrumb breadcrumb2 = fEditor.getBreadcrumb2();
        IPreferenceStore store = JavaPlugin.getDefault().getPreferenceStore();
        store.setValue(getPreferenceKey(), false);
        breadcrumb.dispose();
        breadcrumb2.dispose();
    }

    /**
     * Returns the preference key for the breadcrumb. The
     * value depends on the current perspective.
     *
     * @return the preference key or <code>null</code> if there's no perspective
     */
    private String getPreferenceKey() {
        IPerspectiveDescriptor perspective = page.getPerspective();
        if (perspective == null)
            return null;
        return JavaEditor.EDITOR_SHOW_BREADCRUMB + "." + perspective.getId(); //$NON-NLS-1$
    }

}