Java/GWT/FormPanel

Create a form with GWT controls

   <source lang="java">

package com.jexp.gwt.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.ClickListener; import com.google.gwt.user.client.ui.Grid; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.RootPanel; import com.google.gwt.user.client.ui.TextBox; import com.google.gwt.user.client.ui.Widget; public class GWTClient implements EntryPoint{

  Label nameLabel = new Label("Name:");
  TextBox nameBox = new TextBox();
  Label addrLabel = new Label("Address:");
  TextBox addrBox = new TextBox();
  Label phoneLabel = new Label("Phone number:");
  TextBox phoneBox = new TextBox();
  Button button = new Button("Submit");
  Grid grid = new Grid(4, 2);
  
  public void onModuleLoad() {
     grid.setWidget(0, 0, nameLabel);
     grid.setWidget(0, 1, nameBox);
     grid.setWidget(1, 0, addrLabel);
     grid.setWidget(1, 1, addrBox);
     grid.setWidget(2, 0, phoneLabel);
     grid.setWidget(2, 1, phoneBox);
     grid.setWidget(3, 1, button);
     RootPanel.get().add(grid);
     
     button.addClickListener(new ClickListener() {
        public void onClick(Widget sender) {
           grid.setVisible(false);
           RootPanel.get().add(
                 new Label("Thanks for your submission."));
           Window.alert("Submit name=" + nameBox.getText()
                 + "\naddress=" + addrBox.getText() + "\nphone="
                 + phoneBox.getText());
        }
     });
  }

}

      </source>
   
  
 
  

Form Panel for form control

   <source lang="java">

package com.jexp.gwt.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.ClickListener; import com.google.gwt.user.client.ui.RootPanel; import com.google.gwt.user.client.ui.Widget; import com.google.gwt.user.client.ui.HTML; import com.google.gwt.user.client.ui.Grid; import com.google.gwt.user.client.ui.FileUpload; import com.google.gwt.user.client.ui.FormHandler; import com.google.gwt.user.client.ui.FormPanel; import com.google.gwt.user.client.ui.FormSubmitCompleteEvent; import com.google.gwt.user.client.ui.FormSubmitEvent; import com.google.gwt.user.client.ui.Grid; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.TextBox;

public class GWTClient implements EntryPoint{

 public void onModuleLoad() {
   FormPanelExample e = new FormPanelExample();
   
   RootPanel.get().add(e);
 }

} class FormPanelExample extends FormPanel {

   Grid grid = new Grid(3, 2);
   FileUpload upload = new FileUpload();
   TextBox textBox = new TextBox();
   Label textLabel = new Label("Name");;
   Label fileLabel = new Label("Upload Something");
   Button submit = new Button("Submit");
   public FormPanelExample() {
       super();
       textBox.setName("textBox");
       
       grid.setWidget(0, 0, textLabel);
       grid.setWidget(0, 1, textBox);
       
       upload.setName("upload");
       grid.setWidget(1, 0, fileLabel);
       grid.setWidget(1, 1, upload);
       
       submit.addClickListener(new ClickListener() {
               public void onClick(Widget sender) {
                   submit();
               }
       });
       grid.setWidget(2, 0, submit);
       setAction("/someAction");
       setEncoding(FormPanel.ENCODING_MULTIPART);
       setMethod(FormPanel.METHOD_POST);
       setWidget(grid);
       setStyleName("formPanel");
       addFormHandler(new FormHandler() {
               public void onSubmitComplete(FormSubmitCompleteEvent event) {
                   Window.alert(event.getResults());
               }
               public void onSubmit(FormSubmitEvent event) {
               }
       });
   }

}

      </source>