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/*****************************************************************************
* Copyright (c) 2016 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.wizards.pages;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.papyrus.infra.architecture.ArchitectureDomainManager;
import org.eclipse.papyrus.infra.core.architecture.merged.MergedArchitectureContext;
import org.eclipse.papyrus.infra.core.architecture.merged.MergedArchitectureViewpoint;
import org.eclipse.papyrus.infra.ui.architecture.widgets.ArchitectureContextComposite;
import org.eclipse.papyrus.uml.diagram.wizards.messages.Messages;
import org.eclipse.papyrus.uml.diagram.wizards.utils.SettingsHelper;
import org.eclipse.papyrus.uml.diagram.wizards.wizards.CreateModelWizard;
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.Label;
import org.eclipse.swt.widgets.Layout;
import org.eclipse.ui.PlatformUI;
/**
* @author melaasar
*
*/
public class SelectArchitectureContextPage extends WizardPage {
/** The Constant PAGE_ID. */
public static final String PAGE_ID = "SelectArchitectureContextPage"; //$NON-NLS-1$
private SettingsHelper settingsHelper;
private final boolean allowSeveralContexts;
private String[] selectedContexts;
private String[] selectedViewpoints;
public SelectArchitectureContextPage() {
this(false);
}
public SelectArchitectureContextPage(boolean allowSeveralContexts) {
super(PAGE_ID);
setTitle("Select Architecture Context");
setDescription("Select the architecture context(s) and viewpoints to apply to the Papyrus model");
this.allowSeveralContexts = allowSeveralContexts;
}
@Override
public void setWizard(IWizard newWizard) {
super.setWizard(newWizard);
settingsHelper = new SettingsHelper(getDialogSettings());
List<String> contextIds = asList(settingsHelper.getArchitectureContexts());
if (!allowSeveralContexts) {
String defaultContextId = ArchitectureDomainManager.getInstance().getDefaultArchitectureContextId();
if (defaultContextId != null)
contextIds = asList(defaultContextId);
else if (!contextIds.isEmpty())
contextIds = asList(contextIds.get(0));
else
contextIds = Collections.emptyList();
}
List<String> viewpoints = new ArrayList<String>();
for (Iterator<String> i = contextIds.iterator(); i.hasNext();) {
String contextId = i.next();
if (isVisibleContext(contextId)) {
MergedArchitectureContext context = ArchitectureDomainManager.getInstance().getArchitectureContextById(contextId);
for (MergedArchitectureViewpoint viewpoint : context.getViewpoints()) {
viewpoints.add(viewpoint.getId());
}
} else
i.remove();
}
selectedContexts = contextIds.toArray(new String[0]);
selectedViewpoints = viewpoints.toArray(new String[0]);
}
private <T> List<T> asList(T... elements) {
List<T> list = new ArrayList<T>();
for (T element : elements)
list.add(element);
return list;
}
private boolean isVisibleContext(String contextId) {
for (MergedArchitectureContext context : ArchitectureDomainManager.getInstance().getVisibleArchitectureContexts()) {
if (context.getId().equals(contextId))
return true;
}
return false;
}
/**
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*
* @param parent
*/
@Override
public void createControl(Composite parent) {
Composite comp = createComposite(parent, 1, 1, GridData.FILL_BOTH, 0, 0);
((GridData) comp.getLayoutData()).widthHint = 350;
createVerticalSpacer(comp, 1);
setControl(comp);
ArchitectureDomainManager manager = ArchitectureDomainManager.getInstance();
MergedArchitectureContext[] contexts;
//if (allowSeveralContexts || manager.getDefaultArchitectureContext() == null)
contexts = manager.getVisibleArchitectureContexts().toArray(new MergedArchitectureContext[0]);
//else
//contexts = new ArchitectureContext[] { manager.getDefaultArchitectureContext() };
final ArchitectureContextComposite acc = new ArchitectureContextComposite(comp, 1, 1, GridData.FILL_BOTH, 0, 0);
acc.setAllowSeveralContexts(allowSeveralContexts);
acc.setSelectedContexts(selectedContexts);
acc.setSelectedViewpoints(selectedViewpoints);
acc.setInput(contexts);
acc.setUpdater(new ArchitectureContextComposite.Updater() {
@Override
public void update() {
selectedContexts = acc.getSelectedContexts();
selectedViewpoints = acc.getSelectedViewpoints();
updateButtons();
}
});
updateButtons();
}
@Override
public void performHelp() {
PlatformUI.getWorkbench().getHelpSystem().displayHelp("org.eclipse.papyrus.uml.diagram.wizards.Category"); //$NON-NLS-1$
}
/**
* Gets the selected architecture contexts.
*
* @return the architecture contexts
*/
public String[] getSelectedContexts() {
return selectedContexts;
}
/**
* Respond to completion of the wizard. Includes saving settings for the next
* invocation of the wizard.
*
* @since 2.0
*/
public void performFinish() {
settingsHelper.saveArchitectureContexts(selectedContexts);
}
public String[] getSelectContexts() {
return selectedContexts;
}
public String[] getSelectViewpoints() {
return selectedViewpoints;
}
private void updateButtons() {
setPageComplete(selectedContexts.length!=0 && validatePage());
}
/**
* Validate page.
*
* @return true, if successful
*/
protected boolean validatePage() {
setMessage(null);
setErrorMessage(null);
String[] categories = selectedContexts;
if (categories == null || categories.length == 0) {
setErrorMessage(Messages.SelectArchitectureContextPage_select_one_category);
return false;
}
if (!validateFileExtension(categories)) {
return false;
}
return true;
}
/**
* Validate file extension.
*
* @param categories
* the categories
* @return true, if successful
*/
protected boolean validateFileExtension(String... contexts) {
IStatus status = ((CreateModelWizard) getWizard()).architectureContextChanged(contexts);
switch (status.getSeverity()) {
case Status.WARNING:
setMessage(status.getMessage(), IMessageProvider.WARNING);
break;
case IStatus.INFO:
setMessage(status.getMessage(), IMessageProvider.INFORMATION);
break;
}
return true;
}
private static Composite createComposite(Composite parent, int columns, int hspan, int fill, int marginwidth, int marginheight) {
Composite g = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout(columns, false);
layout.marginWidth = marginwidth;
layout.marginHeight = marginheight;
g.setLayout(layout);
g.setFont(parent.getFont());
GridData gd = new GridData(fill);
gd.horizontalSpan = hspan;
g.setLayoutData(gd);
return g;
}
private static void createVerticalSpacer(Composite parent, int numlines) {
Label lbl = new Label(parent, SWT.NONE);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
Layout layout = parent.getLayout();
if (layout instanceof GridLayout) {
gd.horizontalSpan = ((GridLayout) parent.getLayout()).numColumns;
}
gd.heightHint = numlines;
lbl.setLayoutData(gd);
}
}
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