/*
 * A 1.4 application that uses SpringLayout to create a forms-type layout.
 * Other files required: SpringUtilities.java.
 */

package client.inputforms;

import java.awt.event.*;
import java.util.*;
import javax.swing.*;

import client.NetCalendarClient;
import client.helper.DateSpinner;
import client.helper.GUIHelper;


import shared.remotecall.*;

/**
 * This class contains all the GUI components of the advanced searching dialog.
 * Its used for using the andvanced searching options of the client such as using
 * Java regular expressions on specific elements of the calendar database instead and
 * date ranges.
 * @author buetow
 *
 */
public class AdvancedSearching extends InputForm {
  private final static long serialVersionUID = 1L;

  // Static elements which are the same on all AdvancedSearching objects!
  private final static String BUTTON_GET_ALL = "Get all";
  private final static String[] labels = {"Date string: ", "Description: ", "Category: ", "Place: ",
                                          "Use date ranging: ", "Date range from: ", "Date range to: "
                                         };
  private final static int iNumPairs = labels.length;
  private final static int iTextFields = labels.length - 3;
  private final static int iCheckBoxes = labels.length - 2;

  /**
   * Create the input form window and show it.
   * @param netCalendarClient Specifies the current calendar client session window.
   */
  public AdvancedSearching(NetCalendarClient netCalendarClient) {
    super("Advanced searching", netCalendarClient);
    initComponents();
    pack();
    setVisible(true);
  }

  /**
   * Initializes all the GUI components.
   */
  protected void initComponents() {
    super.initComponents();
    //Create and populate the panel.
    JPanel jPanel = new JPanel(new SpringLayout());

    ActionListener actionListenerFields = new ActionListener() {
      public void actionPerformed(ActionEvent event) {
        submit();
      }
    };

    vecFields = new Vector();
    for (int i = 0; i < iNumPairs; ++i) {
      JLabel jLable = new JLabel(labels[i], JLabel.TRAILING);
      jPanel.add(jLable);
      JComponent jComponent = null;

      if (i < iTextFields) {
        JTextField jTextField = new JTextField(InputForm.TEXTFIELD_LENGTH);
        jTextField.addActionListener(actionListenerFields);
        jComponent = jTextField;

      } else if (i < iCheckBoxes) {
        jComponent = new JCheckBox();

      } else {
        jComponent = new DateSpinner();
      }

      jLable.setLabelFor(jComponent);
      jPanel.add(jComponent);

      vecFields.add(jComponent);
    }

    //Lay out the panel.
    GUIHelper.makeCompactGrid(jPanel,
                              iNumPairs, 2, 	// iRows, iCols
                              6, 6,        	// iInitX, iInitY
                              6, 6);       	// iXPad, iYPad

    JButton jButtonGetAll = new JButton(BUTTON_GET_ALL);

    ActionListener actionListenerButtons = new ActionListener() {
      public void actionPerformed(ActionEvent event) {
        if (event.getActionCommand().equals(BUTTON_CLEAR))
          for (int i = 0; i < iTextFields; ++i)
            ((JTextField) vecFields.get(i)).setText("");

        else if (event.getActionCommand().equals(BUTTON_GET_ALL))
          netCalendarClient.update(new ClientRequest(ClientRequest.REQUEST_ALL_EVENTS));

      }
    };

    jButtonClear.addActionListener(actionListenerButtons);
    jButtonGetAll.addActionListener(actionListenerButtons);
    jPanelButtons.add(jButtonGetAll);

    JSplitPane jSplitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
    jSplitPane.setTopComponent(jPanel);
    jSplitPane.setBottomComponent(jPanelButtons);
    jSplitPane.setDividerSize(0);

    setContentPane(jSplitPane);
  }

  /**
   * This method is invoked if the enter key is pressed or if the submit button
   * has been pressed. It starts a client request relating to the user's input of
   * the text fields.
   */
  protected void submit() {
    ClientRequest clientRequest = new ClientRequest();
    clientRequest.setRegexpDate(((JTextField) vecFields.get(0)).getText());
    clientRequest.setRegexpDescription(((JTextField) vecFields.get(1)).getText());
    clientRequest.setRegexpCategory(((JTextField) vecFields.get(2)).getText());
    clientRequest.setRegexpPlace(((JTextField) vecFields.get(3)).getText());

    JCheckBox jCheckBox = (JCheckBox) vecFields.get(4);
    if (jCheckBox.isSelected()) {
      Date dateRangeFrom = ((DateSpinner) vecFields.get(5)).getDate();
      Date dateRangeTo = ((DateSpinner) vecFields.get(6)).getDate();
      clientRequest.setDateRange(dateRangeFrom, dateRangeTo);
    }

    netCalendarClient.update(clientRequest);
  }
}