/*
* Copyright 2011 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.jbpm.formbuilder.client.command;
import java.util.Map;
import org.gwt.mosaic.ui.client.WindowPanel;
import org.jbpm.formapi.client.CommonGlobals;
import org.jbpm.formapi.client.FormBuilderException;
import org.jbpm.formapi.client.bus.ui.NotificationEvent;
import org.jbpm.formapi.client.bus.ui.NotificationEvent.Level;
import org.jbpm.formapi.shared.api.FormRepresentation;
import org.jbpm.formapi.shared.api.InputData;
import org.jbpm.formbuilder.client.FormBuilderGlobals;
import org.jbpm.formbuilder.client.FormBuilderService;
import org.jbpm.formbuilder.client.UIUtils;
import org.jbpm.formbuilder.client.bus.GetFormRepresentationEvent;
import org.jbpm.formbuilder.client.bus.GetFormRepresentationResponseEvent;
import org.jbpm.formbuilder.client.bus.GetFormRepresentationResponseHandler;
import org.jbpm.formbuilder.client.bus.PreviewFormResponseEvent;
import org.jbpm.formbuilder.client.bus.PreviewFormResponseHandler;
import org.jbpm.formbuilder.client.messages.I18NConstants;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.user.client.ui.Frame;
import com.google.gwt.user.client.ui.MenuItem;
import com.google.gwt.user.client.ui.RootPanel;
/**
* Preview form as a given language base class.
*/
public abstract class PreviewFormCommand implements BaseCommand {
private final I18NConstants i18n = FormBuilderGlobals.getInstance().getI18n();
protected final EventBus bus = CommonGlobals.getInstance().getEventBus();
private final FormBuilderService server = FormBuilderGlobals.getInstance().getService();
private final String saveType;
public PreviewFormCommand(final String saveType) {
this.saveType = saveType;
this.bus.addHandler(GetFormRepresentationResponseEvent.TYPE, new GetFormRepresentationResponseHandler() {
@Override
public void onEvent(GetFormRepresentationResponseEvent event) {
FormRepresentation form = event.getRepresentation();
String type = event.getSaveType();
if (saveType.equals(type)) {
popupInputMapPanel(form);
}
}
});
this.bus.addHandler(PreviewFormResponseEvent.TYPE, new PreviewFormResponseHandler() {
@Override
public void onServerResponse(PreviewFormResponseEvent event) {
if (event.getPreviewType().equals(saveType)) {
refreshPopup(event.getUrl());
}
}
});
}
@Override
public void setItem(MenuItem item) {
/* not implemented */
}
@Override
public void setEmbeded(String profile) {
// shouldn't be disabled on embeded if it doesn't save
}
@Override
public void execute() {
this.bus.fireEvent(new GetFormRepresentationEvent(this.saveType));
}
protected void refreshPopup(String url) {
WindowPanel window = UIUtils.createWindow("Preview as " + this.saveType);
window.getDesktopPanel().addStyleName("formDisplay");
Frame content = new Frame(url);
window.setWidget(content);
int height = RootPanel.getBodyElement().getClientHeight();
int width = RootPanel.getBodyElement().getClientWidth();
int left = RootPanel.getBodyElement().getAbsoluteLeft();
int top = RootPanel.getBodyElement().getAbsoluteTop();
content.setPixelSize(width - 200, height - 200);
window.showModal();
window.setPopupPosition(left + 100, top + 100);
window.setPixelSize(width - 200, height - 200);
}
public void popupInputMapPanel(final FormRepresentation form) {
Map<String, InputData> inputs = form.getInputs();
if (inputs == null || inputs.isEmpty()) {
saveForm(form, null);
} else {
final InputMapPanel popup = new InputMapPanel(inputs);
popup.addOkHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
saveForm(form, popup.getInputs());
}
});
int height = RootPanel.getBodyElement().getClientHeight();
int width = RootPanel.getBodyElement().getClientWidth();
popup.setPopupPosition((width / 2) - 150, (height / 2) - 150);
popup.show();
}
}
public void saveForm(FormRepresentation form, Map<String, Object> inputMap) {
try {
server.generateForm(form, this.saveType, inputMap);
} catch (FormBuilderException e) {
bus.fireEvent(new NotificationEvent(Level.ERROR, i18n.UnexpectedWhilePreviewForm(this.saveType), e));
}
}
}