org.eclipselabs.xtfo.demo.rcp.editor.pages.TreeMasterDetailsBlock.java Source code

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Here is the source code for org.eclipselabs.xtfo.demo.rcp.editor.pages.TreeMasterDetailsBlock.java

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/**
 * Copyright (c) 2010 ProxiAD
 * 
 * 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:
 *    Obeo - initial API and implementation
 */
package org.eclipselabs.xtfo.demo.rcp.editor.pages;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.ui.ViewerPane;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.forms.DetailsPart;
import org.eclipse.ui.forms.IDetailsPage;
import org.eclipse.ui.forms.IDetailsPageProvider;
import org.eclipse.ui.forms.IManagedForm;
import org.eclipse.ui.forms.MasterDetailsBlock;
import org.eclipse.ui.forms.SectionPart;
import org.eclipse.ui.forms.editor.FormPage;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.Section;
import org.eclipselabs.xtfo.demo.metamodel.demo.DemoPackage;
import org.eclipselabs.xtfo.demo.rcp.editor.RCPEditor;
import org.eclipselabs.xtfo.demo.rcp.editor.detailspage.ArithmeticDetailsPage;
import org.eclipselabs.xtfo.demo.rcp.editor.detailspage.DomainModelDetailsPage;
import org.eclipselabs.xtfo.demo.rcp.editor.detailspage.ModelDetailsPage;

public class TreeMasterDetailsBlock extends MasterDetailsBlock {
    private FormPage page;
    private RCPEditor rcpEditor;
    private AdapterFactory adapterFactory;
    private ViewerPane viewerPane;

    public TreeMasterDetailsBlock(FormPage page) {
        this.page = page;
        rcpEditor = (RCPEditor) page.getEditor();
        adapterFactory = rcpEditor.getAdapterFactory();
    }

    protected void createMasterPart(final IManagedForm managedForm, Composite parent) {
        FormToolkit toolkit = managedForm.getToolkit();
        Section section = toolkit.createSection(parent, Section.DESCRIPTION | Section.TITLE_BAR);
        section.setText("Master Part Section");
        section.setDescription("Master Part Section description");

        section.setLayout(new GridLayout());
        section.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        viewerPane = new ViewerPane(rcpEditor.getSite().getPage(), rcpEditor) {
            @Override
            public Viewer createViewer(Composite composite) {
                Tree tree = new Tree(composite, SWT.SINGLE);
                TreeViewer newTreeViewer = new TreeViewer(tree);
                return newTreeViewer;
            }

            @Override
            public void requestActivation() {
                super.requestActivation();
                ((RCPEditor) TreeMasterDetailsBlock.this.page.getEditor()).setCurrentViewerPane(this);
            }
        };
        viewerPane.createControl(section);
        section.setClient(viewerPane.getControl());

        TreeViewer viewer = (TreeViewer) viewerPane.getViewer();

        final SectionPart spart = new SectionPart(section);
        managedForm.addPart(spart);
        viewer.addSelectionChangedListener(new ISelectionChangedListener() {
            public void selectionChanged(SelectionChangedEvent event) {
                ISelection selection = event.getSelection();
                managedForm.fireSelectionChanged(spart, selection);
            }
        });

        viewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
        viewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
        viewer.setInput(rcpEditor.getEditingDomain().getResourceSet());
        viewer.setSelection(
                new StructuredSelection(rcpEditor.getEditingDomain().getResourceSet().getResources().get(0)), true);
        viewerPane.setTitle(rcpEditor.getEditingDomain().getResourceSet());

        rcpEditor.createContextMenuFor(viewer);
    }

    protected void createToolBarActions(IManagedForm managedForm) {
        // no toolbar
    }

    protected void registerPages(DetailsPart detailsPart) {
        detailsPart.setPageProvider(new IDetailsPageProvider() {
            public Object getPageKey(Object object) {
                if (object instanceof EObject) {
                    return ((EObject) object).eClass();
                } else {
                    return object.getClass();
                }
            }

            public IDetailsPage getPage(Object key) {
                if (key == DemoPackage.Literals.MODEL) {
                    return new ModelDetailsPage(rcpEditor);
                } else if (key == DemoPackage.Literals.DOMAIN_MODEL_WRAPPER) {
                    return new DomainModelDetailsPage(rcpEditor);
                } else if (key == DemoPackage.Literals.ARITHMETIC_WRAPPER) {
                    return new ArithmeticDetailsPage(rcpEditor);
                } else {
                    return null;
                }
            }
        });
    }
}