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/*******************************************************************************
* Copyright (c) 2011 Formal Mind GmbH and University of Dusseldorf.
* 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:
* Michael Jastram - initial API and implementation
******************************************************************************/
package org.eclipse.rmf.reqif10.presentation;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.edit.command.SetCommand;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.provider.INotifyChangedListener;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
import org.eclipse.jface.viewers.IOpenListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ListViewer;
import org.eclipse.jface.viewers.OpenEvent;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.rmf.reqif10.ReqIf;
import org.eclipse.rmf.reqif10.ReqIfContent;
import org.eclipse.rmf.reqif10.ReqIfHeader;
import org.eclipse.rmf.reqif10.Reqif10Factory;
import org.eclipse.rmf.reqif10.Reqif10Package;
import org.eclipse.rmf.reqif10.Specification;
import org.eclipse.rmf.reqif10.provider.ReqIfContentItemProvider;
import org.eclipse.rmf.reqif10.provider.VirtualSpecificationsItemProvider;
import org.eclipse.rmf.reqif10.util.ProrUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.forms.events.ExpansionAdapter;
import org.eclipse.ui.forms.events.ExpansionEvent;
import org.eclipse.ui.forms.widgets.FormToolkit;
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.forms.widgets.TableWrapLayout;
import org.eclipse.ui.ide.IDE;
/**
*
* TODO Undoing typing doesn't work yet!
*
* @author jastram
*
*/
public class ReqifMainForm {
private final FormToolkit toolkit;
private final ScrolledForm form;
private final ReqIf reqif;
private final Reqif10Editor reqifEditor;
private ComposedAdapterFactory getAdapterFactory() {
return (ComposedAdapterFactory) reqifEditor.getAdapterFactory();
}
public ReqifMainForm(Composite parent, Reqif10Editor rifEditor) {
this.reqifEditor = rifEditor;
this.reqif = rifEditor.getReqif();
toolkit = new FormToolkit(parent.getDisplay());
form = toolkit.createScrolledForm(parent);
form.setText("ReqIf-File: " + reqif.eResource().getURI().lastSegment());
TableWrapLayout layout = new TableWrapLayout();
form.getBody().setLayout(layout);
Section helpSection = createSection(0);
helpSection.setText(getString("_UI_Help_Get_Started_Title"));
Text helpSectionClient = toolkit.createText(helpSection,
getString("_UI_Help_Get_Started"), SWT.MULTI | SWT.WRAP
| SWT.READ_ONLY);
helpSection.setClient(helpSectionClient);
createDocSection();
createSpecSection();
form.reflow(true);
}
private void createSpecSection() {
Section specSection = createSection(Section.EXPANDED
| Section.DESCRIPTION);
specSection.setText("Specifications");
specSection.setDescription("Doubleclick to open Specification");
Composite client = toolkit.createComposite(specSection);
final ListViewer list = new ListViewer(client, SWT.SINGLE | SWT.BORDER);
list.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
if (!event.getSelection().isEmpty()) {
reqifEditor.setSelection(event.getSelection());
}
}
});
TableWrapLayout layout = new TableWrapLayout();
client.setLayout(layout);
specSection.setClient(client);
// Because we established a virtual hierarchy, we have to use the
// ItemProvider-Facility to get the root element holding
// Specifications
ReqIfContent coreContent = reqif.getCoreContent();
if (coreContent == null) {
coreContent = Reqif10Factory.eINSTANCE.createReqIfContent();
reqifEditor
.getEditingDomain()
.getCommandStack()
.execute(
SetCommand.create(
reqifEditor.getEditingDomain(),
reqif,
Reqif10Package.Literals.REQ_IF__CORE_CONTENT,
coreContent));
}
ReqIfContentItemProvider ip = (ReqIfContentItemProvider) ProrUtil
.getItemProvider(getAdapterFactory(), coreContent);
ip.getChildren(coreContent);
VirtualSpecificationsItemProvider root = (VirtualSpecificationsItemProvider) ip
.getVirtualSpecifications(coreContent);
// FIXME ???
// list.setContentProvider(new ProRAdapterFactoryContentProvider(
// adapterFactory));
list.setContentProvider(new AdapterFactoryContentProvider(getAdapterFactory()));
list.setLabelProvider(new AdapterFactoryLabelProvider(getAdapterFactory()));
list.setInput(root);
root.addListener(new INotifyChangedListener() {
@Override
public void notifyChanged(Notification notification) {
if (list != null && !(list.getControl().isDisposed())) {
list.refresh();
form.reflow(true);
}
}
});
list.addOpenListener(new IOpenListener() {
@Override
public void open(OpenEvent event) {
Object element = ((IStructuredSelection) event.getSelection())
.getFirstElement();
if (element instanceof Specification) {
openSpec((Specification) element);
}
}
});
}
private void createDocSection() {
final ReqIfHeader header;
if (reqif.getTheHeader() == null) {
header = Reqif10Factory.eINSTANCE.createReqIfHeader();
Command cmd = SetCommand.create(reqifEditor.getEditingDomain(), reqif,
Reqif10Package.Literals.REQ_IF__THE_HEADER, header);
reqifEditor.getEditingDomain().getCommandStack().execute(cmd);
} else {
header = reqif.getTheHeader();
}
final Section docSection = createSection(0);
docSection.setText("Document Properties");
docSection.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
Composite client = toolkit.createComposite(docSection);
docSection.setClient(client);
TableWrapLayout layout = new TableWrapLayout();
client.setLayout(layout);
toolkit.createLabel(client, "Title: ");
Text text = toolkit.createText(client, header.getTitle(), SWT.BORDER);
text.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
addModifyListener(text, header,
Reqif10Package.Literals.REQ_IF_HEADER__TITLE);
toolkit.createLabel(client, "Comment: ");
text = toolkit.createText(client, header.getComment(), SWT.BORDER
| SWT.MULTI | SWT.WRAP);
text.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
// Necessary to always have the proper vertical size.
text.addModifyListener(new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
form.reflow(false);
}
});
addModifyListener(text, header,
Reqif10Package.Literals.REQ_IF_HEADER__COMMENT);
toolkit.createLabel(client, "Creation Time: ");
text = toolkit.createText(client, header.getCreationTime() + "",
SWT.BORDER);
text.setEnabled(false);
text.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
toolkit.createLabel(client, "Source Tool Id: ");
text = toolkit.createText(client, header.getSourceToolId(), SWT.BORDER);
text.setEnabled(false);
text.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
toolkit.createLabel(client, "ReqIf Tool Id: ");
text = toolkit.createText(client, header.getReqIfToolId(), SWT.BORDER);
text.setEnabled(false);
text.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
toolkit.createLabel(client, "ReqIf Version: ");
text = toolkit.createText(client, header.getReqIfVersion(), SWT.BORDER);
text.setEnabled(false);
text.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
toolkit.createLabel(client, "Identifier: ");
text = toolkit.createText(client, header.getIdentifier(), SWT.BORDER);
text.setEnabled(false);
text.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
toolkit.createLabel(client, "Replository Id: ");
text = toolkit.createText(client, header.getRepositoryId(), SWT.BORDER);
text.setEnabled(false);
text.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
}
/**
* Adds a ModifyListener to the given {@link Text} to update the model
* whenever the text changes.
*
* @param text
* The control to listen to.
* @param feature
* The Feature from {@link ExchangeFilePackage} to be modified
* (must belong to {@link RIFHeader}.
*/
private void addModifyListener(final Text text, final ReqIfHeader header,
final EAttribute feature) {
// When the Text is modified, update the model...
text.addModifyListener(new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
Command cmd = SetCommand.create(reqifEditor.getEditingDomain(), reqif.getTheHeader(),
feature, text.getText());
reqifEditor.getEditingDomain().getCommandStack().execute(cmd);
}
});
}
private Section createSection(int flags) {
Section section = toolkit.createSection(form.getBody(),
Section.CLIENT_INDENT | Section.TITLE_BAR | Section.TWISTIE
| flags);
section.addExpansionListener(new ExpansionAdapter() {
@Override
public void expansionStateChanged(ExpansionEvent e) {
form.reflow(true);
}
});
return section;
}
public ScrolledForm getForm() {
return form;
}
private void openSpec(Specification spec) {
try {
IWorkbenchPage page = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getActivePage();
ReqifSpecificationEditorInput editorInput = new ReqifSpecificationEditorInput(
reqifEditor, spec);
IDE.openEditor(page, editorInput, SpecificationEditor.EDITOR_ID);
} catch (PartInitException e) {
e.printStackTrace();
}
}
private String getString(String key) {
return Reqif10EditorPlugin.INSTANCE.getString(key);
}
}
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