Package com.example.myproject.client

Source Code of com.example.myproject.client.ObjectifyExample

package com.example.myproject.client;

import java.util.ArrayList;
import java.util.Date;

import com.example.myproject.client.entities.Note;
import com.example.myproject.client.widget.TextAreaP;
import com.example.myproject.client.widget.TextFieldP;
import com.example.myproject.shared.TimeException;
import com.gargoylesoftware.htmlunit.OnbeforeunloadHandler;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyPressEvent;
import com.google.gwt.event.dom.client.KeyPressHandler;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DecoratedPopupPanel;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.HorizontalPanel;
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.VerticalPanel;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.TextArea;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;

public class ObjectifyExample implements EntryPoint {

  // Create some fields for the UI
  FlowPanel mainPanel = new FlowPanel();
  TextFieldP tfChild1 = new TextFieldP();
  TextFieldP tfChild2 = new TextFieldP();
  TextAreaP taChild3 = new TextAreaP();
  TextFieldP tfParent = new TextFieldP();
  Label lblResult = new Label();

  Button submit = new Button("Submit");

  Button search = new Button("Search");
  FlexTable searchResultsTable = new FlexTable();
  DateTimeFormat sdf = DateTimeFormat.getFormat("EEE, MM/d/yy HH:mm");

  // Instantiate the interfaces to access methods in the interface
  private final PersistentServiceAsync persistentService = GWT
      .create(PersistentService.class);
  private final VerticalPanel userPanel = new VerticalPanel();
  private final VerticalPanel verticalPanel = new VerticalPanel();
  private DecoratedPopupPanel simplePopup = new DecoratedPopupPanel(true);

  public void onModuleLoad() {
    // vpSearch.setSpacing(5);
    // mainPanel.setSpacing(5);
    searchResultsTable.setStyleName("FlexTable");

    RootPanel.get("container").add(mainPanel);

    mainPanel.add(userPanel);
    userPanel.add(tfParent);
    tfParent.setPlaceholder("Parent");
    tfParent.addKeyPressHandler(new KeyPressHandler() {
      @Override
      public void onKeyPress(KeyPressEvent event) {
        if (event.getCharCode() == KeyCodes.KEY_ENTER) {
          getNotes();
        }
      }
    });

    userPanel.add(search);
    search.addClickHandler(new MyClickHandler("search"));

    userPanel.add(tfChild1);
    tfChild1.setPlaceholder("Child1");
    userPanel.add(tfChild2);
    tfChild2.setPlaceholder("Child2");
    userPanel.add(taChild3);
    taChild3.setPlaceholder("Child3");
    userPanel.add(submit);

    submit.addClickHandler(new MyClickHandler("submit"));

    mainPanel.add(verticalPanel);
    mainPanel.add(lblResult);
    mainPanel.add(searchResultsTable);

    Button btnDebug = new Button("Debug");
    btnDebug.addClickHandler(new MyClickHandler("debug"));
    mainPanel.add(btnDebug);

    getNotes();
  }

  private class MyClickHandler implements ClickHandler {
    private String name;

    public MyClickHandler(String name) {
      this.name = name;
    }

    @Override
    public void onClick(ClickEvent event) {
      if (name.equals("search")) {
        getNotes();
      } else if (name.equals("submit")) {
        if (tfChild1.getText().trim().isEmpty()) {
          lblResult.setText("Child1 is blank");
        } else {
          putNote();
        }
      } else if (name.equals("debug")) {
        String[] data = null;
        final int left = event.getClientX();
        final int top = event.getClientY();
        persistentService.debugInfo(data, new AsyncCallback<String>() {

          @Override
          public void onFailure(Throwable caught) {
            setLblResult("Debug RPC call failed ");
          }

          @Override
          public void onSuccess(String result) {
            simplePopup.setPopupPosition(0, top);
            simplePopup.setWidget(new HTML(result));
            simplePopup.setHeight("80px");
            simplePopup.setWidth("340px");

            // Show the popup
            simplePopup.show();

            // setLblResult(result);

          }

        });

      }
    }
  }

  private void setLblResult(String msg) {
    lblResult.setText(msg);
  }

  private void putNote() {
    Note a = new Note(tfParent.getText().trim(), tfChild1.getText().trim(),
        new Date());

    persistentService.persistNote(a, new AsyncCallback<Void>() {

      @Override
      public void onFailure(Throwable caught) {
        waitTime(caught);
      }

      @Override
      public void onSuccess(Void result) {
        setLblResult("Note stored successfully");

      }

    });
  }

  private void getNotes() {
    persistentService.searchNote(tfParent.getText(),
        new AsyncCallback<ArrayList<Note>>() {

          @Override
          public void onFailure(Throwable caught) {

            waitTime(caught);
          }

          public void onSuccess(ArrayList<Note> result) {
            setLblResult(result.size() + " entities found");

            int row = 0;
            searchResultsTable.removeAllRows();
            searchResultsTable.setText(0, 0, "Date");
            searchResultsTable.setText(0, 1, "Note");
            // loop the array list and user getters to add
            // records to the table
            for (Note note : result) {
              row = searchResultsTable.getRowCount();
              searchResultsTable.setText(row, 0, note.getChild1());
              searchResultsTable.setHTML(row, 1,
                  sdf.format(note.getDate()));
            }

          }

        });
  }

  private void waitTime(Throwable caught) {
    String result = "PersistentService RPC call failed ";
    if (caught instanceof TimeException) {
      int timeToWait = ((TimeException) caught).getTime();
      result = "You must wait " + timeToWait + " seconds.";
    }

    setLblResult(result);
  }
}
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