/*******************************************************************************
* Copyright (c) 2005, 2015 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.debug.ui.jres;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jdt.internal.debug.ui.IJavaDebugHelpContextIds;
import org.eclipse.jdt.launching.IVMInstall;
import org.eclipse.jdt.launching.JavaRuntime;
import org.eclipse.jdt.launching.environments.IExecutionEnvironment;
import org.eclipse.jdt.launching.environments.IExecutionEnvironmentsManager;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
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.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
/**
* Sets default VM per execution environment.
*
* @since 3.2
*/
public class ExecutionEnvironmentsPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
/**
* The ID of the page
*
* @since 3.5
*/
public static final String ID = "org.eclipse.jdt.debug.ui.jreProfiles"; //$NON-NLS-1$
private TableViewer fProfilesViewer;
private CheckboxTableViewer fJREsViewer;
private Text fDescription;
/**
* Working copy "EE Profile -> Default JRE"
*/
private Map<Object, Object> fDefaults = new HashMap<>();
class JREsContentProvider implements IStructuredContentProvider {
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
@Override
public Object[] getElements(Object inputElement) {
return ((IExecutionEnvironment)inputElement).getCompatibleVMs();
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
@Override
public void dispose() {
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
public ExecutionEnvironmentsPreferencePage() {
super();
// only used when page is shown programatically
setTitle(JREMessages.JREProfilesPreferencePage_0);
setDescription(JREMessages.JREProfilesPreferencePage_1);
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
*/
@Override
public void init(IWorkbench workbench) {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.dialogs.DialogPage(boolean)
*/
@Override
public void setVisible(boolean visible) {
if (visible) {
if (fProfilesViewer.getSelection() != null && !fProfilesViewer.getSelection().isEmpty()) {
handleEESelectionAndJREViewer(fProfilesViewer.getStructuredSelection());
}
}
super.setVisible(visible);
}
/*
* Set the JREs for selected Execution Environment
*/
private void handleEESelectionAndJREViewer(IStructuredSelection selection) {
IExecutionEnvironment env = (IExecutionEnvironment) (selection).getFirstElement();
fJREsViewer.setInput(env);
String description = env.getDescription();
if (description == null) {
description = ""; //$NON-NLS-1$
}
fDescription.setText(description);
IVMInstall jre = (IVMInstall) fDefaults.get(env);
if (jre != null) {
fJREsViewer.setCheckedElements(new Object[] { jre });
} else {
fJREsViewer.setCheckedElements(new Object[0]);
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createContents(Composite ancestor) {
initializeDialogUnits(ancestor);
noDefaultAndApplyButton();
// TODO: fix help
PlatformUI.getWorkbench().getHelpSystem().setHelp(ancestor, IJavaDebugHelpContextIds.JRE_PROFILES_PAGE);
// init default mappings
IExecutionEnvironmentsManager manager = JavaRuntime.getExecutionEnvironmentsManager();
IExecutionEnvironment[] environments = manager.getExecutionEnvironments();
for (int i = 0; i < environments.length; i++) {
IExecutionEnvironment environment = environments[i];
IVMInstall install = environment.getDefaultVM();
if (install != null) {
fDefaults.put(environment, install);
}
}
Composite container = new Composite(ancestor, SWT.NONE);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
layout.marginHeight = 0;
layout.marginWidth = 0;
layout.makeColumnsEqualWidth = true;
container.setLayout(layout);
GridData gd = new GridData(GridData.FILL_BOTH);
container.setLayoutData(gd);
container.setFont(ancestor.getFont());
Composite eeContainer = new Composite(container, SWT.NONE);
layout = new GridLayout();
layout.marginWidth = 0;
eeContainer.setLayout(layout);
eeContainer.setLayoutData(new GridData(GridData.FILL_BOTH));
Label label = new Label(eeContainer, SWT.NONE);
label.setFont(ancestor.getFont());
label.setText(JREMessages.JREProfilesPreferencePage_2);
label.setLayoutData(new GridData(SWT.FILL, 0, true, false));
Table table= new Table(eeContainer, SWT.BORDER | SWT.SINGLE);
table.setLayout(layout);
table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
fProfilesViewer = new TableViewer(table);
fProfilesViewer.setContentProvider(new ArrayContentProvider());
fProfilesViewer.setLabelProvider(new ExecutionEnvironmentsLabelProvider());
fProfilesViewer.setInput(JavaRuntime.getExecutionEnvironmentsManager().getExecutionEnvironments());
Composite jreContainer = new Composite(container, SWT.NONE);
layout = new GridLayout();
layout.marginWidth = 0;
jreContainer.setLayout(layout);
jreContainer.setLayoutData(new GridData(GridData.FILL_BOTH));
label = new Label(jreContainer, SWT.NONE);
label.setFont(ancestor.getFont());
label.setText(JREMessages.JREProfilesPreferencePage_3);
label.setLayoutData(new GridData(SWT.FILL, 0, true, false));
table= new Table(jreContainer, SWT.CHECK | SWT.BORDER | SWT.SINGLE);
table.setLayout(layout);
table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
fJREsViewer = new CheckboxTableViewer(table);
fJREsViewer.setContentProvider(new JREsContentProvider());
fJREsViewer.setLabelProvider(new JREsEnvironmentLabelProvider(new JREsEnvironmentLabelProvider.IExecutionEnvironmentProvider() {
@Override
public IExecutionEnvironment getEnvironment() {
return (IExecutionEnvironment) fJREsViewer.getInput();
}
}));
fJREsViewer.setComparator(new JREsEnvironmentComparator());
label = new Label(container, SWT.NONE);
label.setFont(ancestor.getFont());
label.setText(JREMessages.JREProfilesPreferencePage_4);
label.setLayoutData(new GridData(SWT.FILL, 0, true, false, 2, 1));
Text text = new Text(container, SWT.READ_ONLY | SWT.WRAP | SWT.BORDER);
text.setFont(ancestor.getFont());
text.setLayoutData(new GridData(SWT.FILL, 0, true, false, 2, 1));
fDescription = text;
fProfilesViewer.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
handleEESelectionAndJREViewer((IStructuredSelection) event.getSelection());
}
});
fJREsViewer.addCheckStateListener(new ICheckStateListener() {
@Override
public void checkStateChanged(CheckStateChangedEvent event) {
if (event.getChecked()) {
Object element = event.getElement();
fDefaults.put(fJREsViewer.getInput(), element);
fJREsViewer.setCheckedElements(new Object[]{element});
} else {
fDefaults.remove(fJREsViewer.getInput());
}
}
});
Dialog.applyDialogFont(ancestor);
return ancestor;
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.IPreferencePage#performOk()
*/
@Override
public boolean performOk() {
IExecutionEnvironmentsManager manager = JavaRuntime.getExecutionEnvironmentsManager();
IExecutionEnvironment[] environments = manager.getExecutionEnvironments();
for (int i = 0; i < environments.length; i++) {
IExecutionEnvironment environment = environments[i];
IVMInstall vm = (IVMInstall) fDefaults.get(environment);
// if the VM no longer exists - set to default to avoid illegal argument exception (bug 267914)
if (vm != null) {
if (vm.getVMInstallType().findVMInstall(vm.getId()) == null) {
vm = null;
}
}
environment.setDefaultVM(vm);
}
return super.performOk();
}
}