/*
* Copyright 2013 Amazon Technologies, 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://aws.amazon.com/apache2.0
*
* This file 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 com.amazonaws.eclipse.identitymanagement.group;
import org.eclipse.core.databinding.AggregateValidationStatus;
import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.beans.PojoObservables;
import org.eclipse.core.databinding.observable.ChangeEvent;
import org.eclipse.core.databinding.observable.IChangeListener;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.wizard.WizardPage;
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.Label;
import org.eclipse.swt.widgets.Text;
import com.amazonaws.eclipse.databinding.ChainValidator;
import com.amazonaws.eclipse.databinding.NotEmptyValidator;
import com.amazonaws.eclipse.identitymanagement.databinding.DataBindingUtils;
public class CreateGroupFirstPage extends WizardPage {
private Text groupNameText;
private IObservableValue groupName;
private final DataBindingContext bindingContext = new DataBindingContext();
private final static String OK_MESSAGE = "Specify a group name";
protected CreateGroupFirstPage(CreateGroupWizard wizard) {
super(OK_MESSAGE);
setMessage(OK_MESSAGE);
groupName = PojoObservables.observeValue(wizard.getDataModel(), "groupName");
}
public void createControl(Composite parent) {
final Composite comp = new Composite(parent, SWT.NONE);
comp.setLayoutData(new GridData(GridData.FILL_BOTH));
comp.setLayout(new GridLayout(1, false));
new Label(comp, SWT.NONE).setText("Group Name:");
groupNameText = new Text(comp, SWT.BORDER);
groupNameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
bindingContext.bindValue(SWTObservables.observeText(groupNameText, SWT.Modify), groupName);
ChainValidator<String> groupNameValidationStatusProvider = new ChainValidator<String>(groupName,
new NotEmptyValidator("Please provide a group name"));
bindingContext.addValidationStatusProvider(groupNameValidationStatusProvider);
DataBindingUtils.addStatusDecorator(groupNameText, groupNameValidationStatusProvider);
// Finally provide aggregate status reporting for the entire wizard page
final AggregateValidationStatus aggregateValidationStatus = new AggregateValidationStatus(bindingContext, AggregateValidationStatus.MAX_SEVERITY);
aggregateValidationStatus.addChangeListener(new IChangeListener() {
public void handleChange(ChangeEvent event) {
Object value = aggregateValidationStatus.getValue();
if (value instanceof IStatus == false)
return;
IStatus status = (IStatus) value;
if (status.isOK()) {
setErrorMessage(null);
setMessage(OK_MESSAGE, Status.OK);
} else if (status.getSeverity() == Status.WARNING) {
setErrorMessage(null);
setMessage(status.getMessage(), Status.WARNING);
} else if (status.getSeverity() == Status.ERROR) {
setErrorMessage(status.getMessage());
}
setPageComplete(status.isOK());
}
});
setControl(comp);
setPageComplete(false);
}
}