com.siteview.mde.internal.runtime.spy.sections.ActiveSelectionSection.java Source code

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Here is the source code for com.siteview.mde.internal.runtime.spy.sections.ActiveSelectionSection.java

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/*******************************************************************************
 * Copyright (c) 2007, 2009 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:
 *     Chris Aniszczyk <zx@us.ibm.com> - initial API and implementation
 *******************************************************************************/
package com.siteview.mde.internal.runtime.spy.sections;

import org.eclipse.osgi.util.NLS;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import com.siteview.mde.internal.runtime.MDERuntimeMessages;
import com.siteview.mde.internal.runtime.spy.SpyFormToolkit;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.forms.widgets.ExpandableComposite;
import org.eclipse.ui.forms.widgets.FormText;
import org.eclipse.ui.forms.widgets.ScrolledForm;
import org.eclipse.ui.forms.widgets.Section;
import org.eclipse.ui.forms.widgets.TableWrapData;
import org.eclipse.ui.handlers.HandlerUtil;

/**
 * @since 3.4
 */
public class ActiveSelectionSection implements ISpySection {

    public void build(ScrolledForm form, SpyFormToolkit toolkit, ExecutionEvent event) {
        IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);
        if (window == null) // if we don't have an active workbench, we don't have a valid selection to analyze
            return;

        // analyze the selection
        ISelection selection = HandlerUtil.getCurrentSelection(event);
        if (selection != null) {
            Section section = toolkit.createSection(form.getBody(), ExpandableComposite.TITLE_BAR);
            section.clientVerticalSpacing = 9;
            section.setText(MDERuntimeMessages.SpyDialog_activeSelection_title);
            FormText text = toolkit.createFormText(section, true);
            section.setClient(text);

            TableWrapData td = new TableWrapData();
            td.align = TableWrapData.FILL;
            td.grabHorizontal = true;
            section.setLayoutData(td);

            // time to analyze the selection
            Class clazz = selection.getClass();
            StringBuffer buffer = new StringBuffer();
            buffer.append("<form>"); //$NON-NLS-1$
            buffer.append(toolkit.createClassSection(text, MDERuntimeMessages.SpyDialog_activeSelection_desc,
                    new Class[] { clazz }));

            Class[] interfaces = clazz.getInterfaces();
            buffer.append(toolkit.createInterfaceSection(text,
                    MDERuntimeMessages.SpyDialog_activeSelectionInterfaces_desc, interfaces));

            if (selection instanceof IStructuredSelection) {
                IStructuredSelection ss = (IStructuredSelection) selection;
                int size = ss.size();
                if (size == 1) {
                    clazz = ss.getFirstElement().getClass();
                    buffer.append(toolkit.createClassSection(text,
                            MDERuntimeMessages.SpyDialog_activeSelectedElement_desc, new Class[] { clazz }));

                    interfaces = clazz.getInterfaces();
                    buffer.append(toolkit.createInterfaceSection(text,
                            MDERuntimeMessages.SpyDialog_activeSelectedElementInterfaces_desc, interfaces));
                } else if (size > 1) {
                    buffer.append(NLS.bind(MDERuntimeMessages.SpyDialog_activeSelectedElementsCount_desc,
                            new Integer(size)));
                }
            }

            buffer.append("</form>"); //$NON-NLS-1$
            text.setText(buffer.toString(), true, false);
        }
    }

}