/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.kie.eclipse.preferences;
import java.net.URL;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
import org.kie.eclipse.runtime.IRuntime;
import org.kie.eclipse.runtime.IRuntimeManager;
import org.kie.eclipse.runtime.IRuntimeManagerListener;
public abstract class AbstractRuntimesPreferencePage extends PreferencePage
implements IWorkbenchPreferencePage, IRuntimeManagerListener {
private IRuntimeManager runtimeManager;
private AbstractRuntimesBlock runtimesBlock;
public AbstractRuntimesPreferencePage() {
super("Installed Runtimes");
}
public AbstractRuntimesPreferencePage(String title) {
super(title);
}
public void init(IWorkbench workbench) {
}
public void dispose() {
runtimeManager.removeListener(this);
}
public void createControl(Composite parent){
this.runtimeManager = getRuntimeManager();
super.createControl(parent);
getDefaultsButton().setVisible(false);
runtimeManager.addListener(this);
}
protected Control createContents(Composite ancestor) {
initializeDialogUnits(ancestor);
GridLayout layout= new GridLayout();
layout.numColumns= 1;
layout.marginHeight = 0;
layout.marginWidth = 0;
ancestor.setLayout(layout);
Label l = new Label(ancestor, SWT.WRAP);
l.setFont(ancestor.getFont());
l.setText(
"Add, remove or edit Runtime definitions. " +
"By default, the checked Runtime is added to the build " +
"path of newly created projects.");
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 1;
gd.widthHint = 300;
l.setLayoutData(gd);
final String downloadHelpURL = getDownloadHelpURL();
Label helpLabel = null;
if (downloadHelpURL!=null) {
helpLabel = new Label(ancestor, SWT.WRAP);
helpLabel.setFont(ancestor.getFont());
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 1;
gd.verticalIndent = 12;
helpLabel.setLayoutData(gd);
final Link link = new Link(ancestor, SWT.NONE);
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 1;
gd.verticalIndent = 0;
link.setLayoutData(gd);
link.setText("<A>Click here to learn how to download and install a Runtime</A>");
link.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
URL url;
try {
url = new URL(downloadHelpURL);
PlatformUI.getWorkbench().getBrowserSupport().createBrowser("Download JBoss Runtime").openURL(url);
} catch (Exception e1) {
e1.printStackTrace();
}
}
});
}
l = new Label(ancestor, SWT.NONE);
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.heightHint = 1;
l.setLayoutData(gd);
runtimesBlock = createRuntimesBlock();
runtimesBlock.createControl(ancestor);
IRuntime[] runtimes = runtimeManager.getConfiguredRuntimes();
runtimesBlock.setRuntimes(runtimes);
if (runtimesBlock.getDefaultRuntime() == null) {
setErrorMessage("Select a default Runtime");
}
Control control = runtimesBlock.getControl();
GridData data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan = 1;
data.widthHint = 450;
control.setLayoutData(data);
runtimesBlock.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
IRuntime runtime = runtimesBlock.getDefaultRuntime();
if (runtime == null) {
if (runtimesBlock.getRuntimes().length==0) {
setErrorMessage("Create a default Runtime");
}
else {
setErrorMessage("Select a default Runtime");
}
} else {
setErrorMessage(null);
}
}
});
if (runtimesBlock.getRuntimes().length==0) {
helpLabel.setText("Don't have any installed Runtimes yet?");
}
else {
helpLabel.setText("Need to find the latest Runtime?");
}
applyDialogFont(ancestor);
return ancestor;
}
public boolean performOk() {
if (runtimeManager.getDefaultRuntime() != null) {
MessageDialog.openInformation(getShell(), "Warning",
"You need to restart Eclipse to update the Runtime of existing projects.");
}
runtimeManager.setRuntimes(runtimesBlock.getRuntimes());
return super.performOk();
}
public void runtimeAdded(IRuntime rt) {
runtimesBlock.setRuntimes(runtimeManager.getConfiguredRuntimes());
}
public void runtimeRemoved(IRuntime rt) {
runtimesBlock.setRuntimes(runtimeManager.getConfiguredRuntimes());
}
public void runtimesChanged(IRuntime[] newList) {
Display.getDefault().asyncExec(new Runnable() {
public void run() {
runtimesBlock.setRuntimes(runtimeManager.getConfiguredRuntimes());
}
});
}
protected String getDownloadHelpURL() {
return null;
}
abstract protected IRuntimeManager getRuntimeManager();
abstract protected AbstractRuntimesBlock createRuntimesBlock();
}