/**
* 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 java.io.File;
import java.util.List;
import org.drools.eclipse.util.DroolsRuntime;
import org.drools.eclipse.util.DroolsRuntimeManager;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class DroolsRuntimeDialog extends Dialog {
private DroolsRuntime runtime;
private Text nameText;
private Text pathText;
private List<DroolsRuntime> runtimes;
private Listener textModifyListener = new Listener() {
public void handleEvent(Event e) {
boolean valid = validate();
getButton(IDialogConstants.OK_ID).setEnabled(valid);
}
};
public DroolsRuntimeDialog(Shell parent, List<DroolsRuntime> runtimes) {
super(parent);
setBlockOnOpen(true);
this.runtimes = runtimes;
}
protected Control createDialogArea(Composite parent) {
Composite composite = (Composite) super.createDialogArea(parent);
GridLayout gridLayout = new GridLayout();
gridLayout.numColumns = 3;
composite.setLayout(gridLayout);
Label label = new Label(composite, SWT.WRAP);
label.setFont(composite.getFont());
label.setText("Either select an existing Drools Runtime on your file system or create a new one.");
GridData gridData = new GridData();
gridData.horizontalSpan = 3;
gridData.widthHint = 450;
label.setLayoutData(gridData);
Label nameLabel = new Label(composite, SWT.NONE);
nameLabel.setText("Name: ");
nameText = new Text(composite, SWT.NONE);
nameText.setText(runtime == null || runtime.getName() == null ? "" : runtime.getName());
nameText.addListener(SWT.Modify, textModifyListener);
gridData = new GridData();
gridData.horizontalSpan = 2;
gridData.grabExcessHorizontalSpace = true;
gridData.horizontalAlignment = GridData.FILL;
nameText.setLayoutData(gridData);
label = new Label(composite, SWT.NONE);
label.setText("Path: ");
pathText = new Text(composite, SWT.NONE);
pathText.setText(runtime == null || runtime.getPath() == null ? "" : runtime.getPath());
pathText.addListener(SWT.Modify, textModifyListener);
gridData = new GridData();
gridData.grabExcessHorizontalSpace = true;
gridData.horizontalAlignment = GridData.FILL;
pathText.setLayoutData(gridData);
Button selectButton = new Button(composite, SWT.PUSH | SWT.LEFT);
selectButton.setText("Browse ...");
gridData = new GridData();
selectButton.setLayoutData(gridData);
selectButton.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
browse();
}
public void widgetDefaultSelected(SelectionEvent e) {
}
});
Button createButton = new Button(composite, SWT.PUSH | SWT.LEFT);
createButton.setText("Create a new Drools 5 Runtime ...");
gridData = new GridData();
gridData.horizontalSpan = 2;
createButton.setLayoutData(gridData);
createButton.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
createRuntime();
}
public void widgetDefaultSelected(SelectionEvent e) {
}
});
return composite;
}
protected void createButtonsForButtonBar(Composite parent) {
super.createButtonsForButtonBar(parent);
getButton(IDialogConstants.OK_ID).setEnabled(false);
}
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
newShell.setText("Drools Runtime");
}
protected Point getInitialSize() {
return new Point(500, 250);
}
public void setDroolsRuntime(DroolsRuntime runtime) {
this.runtime = runtime;
}
private boolean validate() {
String name = nameText.getText();
if (name == null || "".equals(name.trim())) {
return false;
}
if (runtime == null || !name.equals(runtime.getName())) {
for (DroolsRuntime runtime: runtimes) {
if (name.equals(runtime.getName())) {
return false;
}
}
}
String location = pathText.getText();
if (location != null) {
File file = new File(location);
if (file.exists() && file.isDirectory()) {
return true;
}
}
return false;
}
private void browse() {
String selectedDirectory = null;
String dirName = pathText.getText();
DirectoryDialog dialog = new DirectoryDialog(getShell());
dialog.setMessage("Select the Drools runtime directory.");
dialog.setFilterPath(dirName);
selectedDirectory = dialog.open();
if (selectedDirectory != null) {
pathText.setText(selectedDirectory);
}
}
private void createRuntime() {
DirectoryDialog dialog = new DirectoryDialog(getShell());
dialog.setMessage("Select the new Drools 5 runtime directory.");
String selectedDirectory = dialog.open();
if (selectedDirectory != null) {
DroolsRuntimeManager.createDefaultRuntime(selectedDirectory);
nameText.setText("Drools 5.1.0 runtime");
pathText.setText(selectedDirectory);
}
}
public DroolsRuntime getResult() {
return runtime;
}
protected void okPressed() {
runtime = new DroolsRuntime();
runtime.setName(nameText.getText());
runtime.setPath(pathText.getText());
super.okPressed();
}
}