fieldview.java

一个OR Mapping 工具

package org.dbgen.view;

import java.beans.*;
import java.awt.event.*;
import javax.swing.*;
import org.dbgen.*;

/**
 * View a single field definition.
 *
 */
class FieldView extends JPanel implements PropertyChangeListener, ActionListener {
  org.dbgen.Field fieldField = null;
  JTextField fieldNameField = null;
  JComboBox fieldTypeComboBox = null;
  JTextField fieldLengthField = null;
  JTextField fieldScaleField = null;

  /**
   * FieldView constructor comment.
   */
  public FieldView() {
    super();
    initialize();
  }

  /**
   * This method was created by a SmartGuide.
   * @param event java.awt.event.ActionEvent
   */
  public void actionPerformed(ActionEvent event) {

    JTextField textField = (JTextField) event.getSource();
    String text = textField.getText();

    try {
      if (getNameField() == textField)
      {
        getField().setName(text);
      }
      else if (getLengthField() == textField)
      {
        getField().setLength(Integer.parseInt(text));
      }
      else if (getScaleField() == textField)
      {
        getField().setScale(Integer.parseInt(text));
      }
    }
    catch (NumberFormatException exception)
    {
      textField.selectAll();
    }

    return;
  }

  /**
   * Gets the field property (org.dbgen.Field) value.
   * @return The field property value.
   * @see #setField
   */
  public org.dbgen.Field getField() {
    /* Returns the field property value. */
    if (fieldField == null) {
      try {
        fieldField = new org.dbgen.Field();
      } catch (Throwable exception) {
        System.err.println("Exception creating field property.");
      }
    };

    return fieldField;
  }

  /**
   * Gets the lengthField property (javax.swing.JTextField) value.
   * @return The lengthField property value.
   */
  public JTextField getLengthField() {
    /* Returns the lengthField property value. */
    if (fieldLengthField == null) {
      try {
        fieldLengthField = new JTextField();
      } catch (Throwable exception) {
        System.err.println("Exception creating lengthField property.");
      }
    };

    return fieldLengthField;
  }

  /**
   * Gets the nameField property (javax.swing.JTextField) value.
   * @return The nameField property value.
   */
  public JTextField getNameField() {
    /* Returns the nameField property value. */
    if (fieldNameField == null) {
      try {
        fieldNameField = new JTextField();
      } catch (Throwable exception) {
        System.err.println("Exception creating nameField property.");
      }
    };

    return fieldNameField;
  }

  /**
   * Gets the scaleField property (javax.swing.JTextField) value.
   * @return The scaleField property value.
   */
  public JTextField getScaleField() {
    /* Returns the scaleField property value. */
    if (fieldScaleField == null) {
      try {
        fieldScaleField = new JTextField();
      } catch (Throwable exception) {
        System.err.println("Exception creating scaleField property.");
      }
    };

    return fieldScaleField;
  }

  /**
   * Gets the typeComboBox property (javax.swing.JComboBox) value.
   * @return The typeComboBox property value.
   */
  public JComboBox getTypeComboBox() {
    /* Returns the typeComboBox property value. */
    if (fieldTypeComboBox == null) {
      try {
        fieldTypeComboBox = new JComboBox();
      } catch (Throwable exception) {
        System.err.println("Exception creating typeComboBox property.");
      }
    };

    return fieldTypeComboBox;
  }

  /**
   * Gets the typeComboBox property (javax.swing.JComboBox) value.
   * @return The typeComboBox property value.
   */
  public JComboBox getTypeComboBox(java.util.Vector vector) {
    /* Returns the typeComboBox property value. */
    if (fieldTypeComboBox == null) {
      try {
        fieldTypeComboBox = new JComboBox(vector);
      } catch (Throwable exception) {
        System.err.println("Exception creating typeComboBox property.");
      }
    };

    return fieldTypeComboBox;
  }

  /**
   * This method was created by a SmartGuide.
   */
  public void initialize() {

    setLayout(new java.awt.GridLayout(4, 2));

    add(new JLabel("Field Name"));
    add(getNameField());

    add(new JLabel("Field Type"));
    add(getTypeComboBox(new FieldTypes().getMap()));

    add(new JLabel("Field Length"));
    add(getLengthField());

    add(new JLabel("Field Scale"));
    add(getScaleField());

    getLengthField().setColumns(3);
    getScaleField().setColumns(3);

    getNameField().addActionListener(this);
    getLengthField().addActionListener(this);
    getScaleField().addActionListener(this);

    return;
  }

  /**
   * This method was created by a SmartGuide.
   * @param e PropertyChangeEvent
   */
  public void propertyChange(PropertyChangeEvent e) {
    return;
  }

  /**
   * Sets the field property (org.dbgen.Field) value.
   * @param field The new value for the property.
   * @see #getField
   */
  public void setField(org.dbgen.Field field) {

    /* FieldView is a listener of the Field object. -tt */
    field.addPropertyChangeListener(this);

    /* Get the old property value for fire property change event. */
    org.dbgen.Field oldValue = fieldField;

    /* Set the field property (attribute) to the new value. */
    fieldField = field;

    /* Fire (signal/notify) the field property change event. */
    firePropertyChange("field", oldValue, field);

    return;
  }

  /**
   * This method was created by a SmartGuide.
   * @param args java.lang.String[]
   */
  public static void test(String args[]) {

    JFrame frame = new JFrame("Testing");

    FieldView fv = new FieldView();    //view
    org.dbgen.Field field = new org.dbgen.Field();    //data
    fv.setField(field);

    frame.getContentPane().add(fv);
    frame.pack();
    frame.show();

    return;
  }
}