/*
* Copyright 2010 JBoss Inc
*
* 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.drools.eclipse.preferences;
import org.drools.eclipse.util.DroolsRuntime;
import org.drools.eclipse.util.DroolsRuntimeManager;
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.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.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
public class DroolsRuntimesPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
private DroolsRuntimesBlock droolsRuntimesBlock;
public DroolsRuntimesPreferencePage() {
super("Installed Drools Runtimes");
}
public void init(IWorkbench workbench) {
}
protected Control createContents(Composite ancestor) {
initializeDialogUnits(ancestor);
noDefaultAndApplyButton();
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 Drools Runtime definitions. " +
"By default, the checked Drools Runtime is added to the build " +
"path of newly created Drools projects.");
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 1;
gd.widthHint = 300;
l.setLayoutData(gd);
l = new Label(ancestor, SWT.NONE);
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.heightHint = 1;
l.setLayoutData(gd);
droolsRuntimesBlock = new DroolsRuntimesBlock();
droolsRuntimesBlock.createControl(ancestor);
DroolsRuntime[] runtimes = DroolsRuntimeManager.getDroolsRuntimes();
droolsRuntimesBlock.setDroolsRuntimes(runtimes);
for (DroolsRuntime runtime: runtimes) {
if (runtime.isDefault()) {
droolsRuntimesBlock.setDefaultDroolsRuntime(runtime);
break;
}
}
if (droolsRuntimesBlock.getDefaultDroolsRuntime() == null) {
setErrorMessage("Select a default Drools Runtime");
}
Control control = droolsRuntimesBlock.getControl();
GridData data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan = 1;
data.widthHint = 450;
control.setLayoutData(data);
droolsRuntimesBlock.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
DroolsRuntime runtime = droolsRuntimesBlock.getDefaultDroolsRuntime();
if (runtime == null) {
setErrorMessage("Select a default Drools Runtime");
} else {
setErrorMessage(null);
}
}
});
applyDialogFont(ancestor);
return ancestor;
}
public boolean performOk() {
if (DroolsRuntimeManager.getDefaultDroolsRuntime() != null) {
MessageDialog.openInformation(getShell(), "Warning",
"You need to restart Eclipse to update the Drools Runtime of existing projects.");
}
DroolsRuntimeManager.setDroolsRuntimes(droolsRuntimesBlock.getDroolsRuntimes());
return super.performOk();
}
}