private final GadgetServiceAsync asyService = GWT
.create(GadgetService.class);
@Override
public void onModuleLoad() {
final GadgetTransit gadget = new GadgetTransit();
// build Form
final Label errorLabel = new Label();
final Button sendButton = new Button("Save");
final TextBox nameField = new TextBox();
final TextBox titleField = new TextBox();
final TextBox helpUrlField = new TextBox();
final TextBox gadgetFileNameField = new TextBox();
final TextArea xmlSourceField = new TextArea();
final ListBox statusField = new ListBox();
final ListBox typeField = new ListBox();
final TextBox handlerClassNameField = new TextBox();
final ListBox gadgletTypeField = new ListBox();
final TextArea descriptionField = new TextArea();
titleField.setWidth("300px");
helpUrlField.setWidth("300px");
gadgetFileNameField.setWidth("300px");
handlerClassNameField.setWidth("300px");
descriptionField.setWidth("600px");
descriptionField.setHeight("300px");
xmlSourceField.setHeight("600px");
xmlSourceField.setWidth("600px");
statusField.addItem("Test", (new Integer(
SharedConstants.gadgetStatusTest)).toString());
statusField.addItem("On Line", (new Integer(
SharedConstants.gadgetStatusOnLine)).toString());
statusField.addItem("Off Line", (new Integer(
SharedConstants.gadgetStatusOffLine)).toString());
statusField.setVisibleItemCount(1);
gadgletTypeField.addItem("Minglet", GadgetType.MINGLET.getGadgetType());
gadgletTypeField.addItem("Bizlet", GadgetType.BIZLET.getGadgetType());
gadgletTypeField.addItem("Other", GadgetType.OTHER.getGadgetType());
typeField.addItem("iGoogle", (new Integer(
SharedConstants.gadgetGoogleTypeiGoogle)).toString());
typeField.addItem("Spreadsheet", (new Integer(
SharedConstants.gadgetGoogleTypeSpreadsheets)).toString());
typeField.addItem("GMail Context", (new Integer(
SharedConstants.gadgetGoogleTypegMailContext)).toString());
typeField.addItem("Calander Evnent", (new Integer(
SharedConstants.gadgetGoogleTypeCalendarEvent)).toString());
typeField.setVisibleItemCount(1);
if (Location.getParameter("gname") != null) {
// load object from server when gnage= ??? and save in gadget
asyService.getGadget(Location.getParameter("gname"),
new AsyncCallback<GadgetTransit>() {
@Override
public void onFailure(Throwable caught) {
Window.alert(caught.getMessage());
}
@Override
public void onSuccess(GadgetTransit result) {
if (result != null) {
// set values
descriptionField.setValue(result
.getDescription());
nameField.setValue(result.getName());
nameField.setReadOnly(true);
titleField.setValue(result.getTitle());
xmlSourceField.setValue(result.getXmlSource());
helpUrlField.setValue(result.getHelpUrl());
typeField.setSelectedIndex(result.getType());
statusField.setSelectedIndex(result.getStatus());
for (int index = 0; index < gadgletTypeField
.getItemCount(); index++) {
if (result.getGadgletType()
.equals(gadgletTypeField
.getValue(index))) {
gadgletTypeField.setSelectedIndex(index);
break;
}
}
gadgetFileNameField.setValue(result
.getGadgetFileName());
handlerClassNameField.setValue(result
.getHandlerClassName());
}
}
});
}
// We can add style names to widgets
sendButton.addStyleName("sendButton");
// Add the nameField and sendButton to the RootPanel
// Use RootPanel.get() to get the entire body element
RootPanel.get("nameFieldContainer").add(nameField);
RootPanel.get("titleFieldContainer").add(titleField);
RootPanel.get("statusFieldContainer").add(statusField);
RootPanel.get("googleTypeFieldContainer").add(typeField);
RootPanel.get("typeFieldContainer").add(gadgletTypeField);
RootPanel.get("handlerClassNameContainer").add(handlerClassNameField);
RootPanel.get("helpUrlFieldContainer").add(helpUrlField);
RootPanel.get("gadgetFileNameFieldContainer").add(gadgetFileNameField);
RootPanel.get("descriptionFieldContainer").add(descriptionField);
RootPanel.get("xmlSourceFieldContainer").add(xmlSourceField);
RootPanel.get("sendButtonContainer").add(sendButton);
RootPanel.get("errorLabelContainer").add(errorLabel);
// Focus the cursor on the name field when the app loads
nameField.setFocus(true);
nameField.selectAll();
// Create the popup dialog box
final DialogBox dialogBox = new DialogBox();
dialogBox.setText("Add new Gadget");
dialogBox.setAnimationEnabled(true);
final Button closeButton = new Button("Close");
// We can set the id of a widget by accessing its Element
closeButton.getElement().setId("closeButton");
final Label textToServerLabel = new Label();
final HTML serverResponseLabel = new HTML();
VerticalPanel dialogVPanel = new VerticalPanel();
dialogVPanel.addStyleName("dialogVPanel");
dialogVPanel.add(new HTML("<b>Sending name to the server:</b>"));
dialogVPanel.add(textToServerLabel);
dialogVPanel.add(new HTML("<br><b>Server replies:</b>"));
dialogVPanel.add(serverResponseLabel);
dialogVPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT);
dialogVPanel.add(closeButton);
dialogBox.setWidget(dialogVPanel);
closeButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
dialogBox.hide();
sendButton.setEnabled(true);
sendButton.setFocus(true);
}
});
class MyHandler implements ClickHandler, KeyUpHandler {
/**
* Fired when the User clicks on the sendButton.
*/
@Override
public void onClick(ClickEvent event) {
sendNameToServer();
}
/**
* Fired when the User types in the nameField.
*/
@Override
public void onKeyUp(KeyUpEvent event) {
if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
sendNameToServer();
}
}
/**
* Send the name from the nameField to the server and wait for a
* response.
*/
private void sendNameToServer() {
// First, we validate the input.
// create gadget
gadget.setName(nameField.getText());
gadget.setTitle(titleField.getText());
gadget.setHelpUrl(helpUrlField.getText());
gadget.setGadgetFileName(gadgetFileNameField.getText());
gadget.setDescription(descriptionField.getText());
if (statusField != null)
gadget.setStatus(Integer.parseInt(statusField
.getValue(statusField.getSelectedIndex())));
if (typeField != null)
gadget.setType(Integer.parseInt(typeField
.getValue(typeField.getSelectedIndex())));
gadget.setXmlSource(xmlSourceField.getText());
gadget.setHandlerClassName(handlerClassNameField.getValue());
gadget.setGadgletType(gadgletTypeField
.getValue(gadgletTypeField.getSelectedIndex()));
errorLabel.setText("");
String textToServer = gadget.getName();
if (!FieldVerifier.isValidName(textToServer)) {
errorLabel
.setText("the name must have at least four characters");
return;
}