/*******************************************************************************
* Copyright (c) 2012 Pivotal Software, Inc.
* 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:
* Pivotal Software, Inc. - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.boot.launch.util;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.Assert;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.jface.layout.GridDataFactory;
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.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Shell;
import org.springsource.ide.eclipse.commons.livexp.core.CompositeValidator;
import org.springsource.ide.eclipse.commons.livexp.core.LiveExpression;
import org.springsource.ide.eclipse.commons.livexp.core.LiveVariable;
import org.springsource.ide.eclipse.commons.livexp.core.OrExpression;
import org.springsource.ide.eclipse.commons.livexp.core.ValidationResult;
import org.springsource.ide.eclipse.commons.livexp.core.ValueListener;
import org.springsource.ide.eclipse.commons.livexp.ui.Disposable;
import org.springsource.ide.eclipse.commons.livexp.ui.GroupSection;
import org.springsource.ide.eclipse.commons.livexp.ui.IPageSection;
import org.springsource.ide.eclipse.commons.livexp.ui.IPageWithSections;
import org.springsource.ide.eclipse.commons.livexp.ui.WizardPageSection;
/**
* Like {@link GroupSection} but implements {@link ILaunchConfigurationTabSection}
*
* @author Kris De Volder
*/
public class GroupLaunchTabSection extends WizardPageSection implements ILaunchConfigurationTabSection{
List<IPageSection> sections;
private CompositeValidator validator;
private String groupTitle;
/**
* Setting isVisible to false will make this group disappear.
* Setting it to true will make it re-appear.
*/
public final LiveVariable<Boolean> isVisible = new LiveVariable<Boolean>(true);
private int columns = 1; //one columnby default
private LiveExpression<Boolean> dirtyState;
/**
* If title is null then it creates a normal composite without a box around it. Otherwise
* it creates a 'group' and uses the title as label for the group.
*/
public GroupLaunchTabSection(IPageWithSections owner, String title, WizardPageSection... _sections) {
super(owner);
this.groupTitle = title;
this.sections = new ArrayList<IPageSection>();
for (IPageSection s : _sections) {
if (s!=null) {
sections.add(s);
}
}
validator = new CompositeValidator();
for (IPageSection s : sections) {
validator.addChild(s.getValidator());
}
}
@Override
public LiveExpression<ValidationResult> getValidator() {
return validator;
}
@Override
public void createContents(Composite page) {
final Composite group = createComposite(page);
for (IPageSection s : sections) {
s.createContents(group);
}
isVisible.addListener(new ValueListener<Boolean>() {
public void gotValue(LiveExpression<Boolean> exp, Boolean isVisible) {
group.setVisible(isVisible);
GridData layout = (GridData) group.getLayoutData();
layout.exclude = !isVisible;
group.setLayoutData(layout);
Shell shell = owner.getShell();
if (shell!=null) {
shell.layout(new Control[] {group});
}
};
});
}
private Composite createComposite(Composite page) {
if (groupTitle!=null) {
//Create a group with box around it and a title
final Group group = new Group(page, SWT.NONE);
group.setText(groupTitle);
group.setLayout(createLayout());
GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
return group;
} else {
//Create a normal composite. No box
final Composite composite = new Composite(page, SWT.NONE);
composite.setLayout(createLayout());
GridDataFactory.fillDefaults().grab(true, false).applyTo(composite);
return composite;
}
}
/**
* Factory method that creates the layout for the group. Subclass may override to change how
* components in the group are layed out. Default creates a gridlayout with specified number of
* columns of equals width
*/
protected GridLayout createLayout() {
GridLayout layout = new GridLayout(this.columns, true);
if (groupTitle==null) {
layout.marginWidth = 0;
}
return layout;
}
@Override
public void dispose() {
for (IPageSection s : sections) {
if (s instanceof Disposable) {
((Disposable) s).dispose();
}
}
if (dirtyState!=null) {
dirtyState.dispose();
}
super.dispose();
}
public GroupLaunchTabSection columns(int i) {
Assert.isLegal(i>=1);
this.columns = i;
return this;
}
@Override
public void initializeFrom(ILaunchConfiguration conf) {
for (IPageSection s : sections) {
if (s instanceof ILaunchConfigurationTabSection) {
((ILaunchConfigurationTabSection) s).initializeFrom(conf);
}
}
}
@Override
public void performApply(ILaunchConfigurationWorkingCopy conf) {
for (IPageSection s : sections) {
if (s instanceof ILaunchConfigurationTabSection) {
((ILaunchConfigurationTabSection) s).performApply(conf);
}
}
}
@Override
public void setDefaults(ILaunchConfigurationWorkingCopy conf) {
for (IPageSection s : sections) {
if (s instanceof ILaunchConfigurationTabSection) {
((ILaunchConfigurationTabSection) s).setDefaults(conf);
}
}
}
@Override
public LiveExpression<Boolean> getDirtyState() {
if (dirtyState==null) {
OrExpression ds = new OrExpression();
for (IPageSection s : sections) {
if (s instanceof ILaunchConfigurationTabSection) {
ds.addChild(((ILaunchConfigurationTabSection) s).getDirtyState());
}
}
dirtyState = ds;
}
return dirtyState;
}
}