propertyeditor.java~304~

利用jtable,设计属性编辑器程序设计实例。包括jtabe 编辑风格自定义

package propertyproj;

import javax.swing.*;
import javax.swing.table.*;
import java.util.Hashtable;
import java.awt.Component;
import java.awt.*;
import javax.swing.event.*;
import java.awt.event.*;
import java.util.*;
import java.beans.*;

public class PropertyEditor
    extends JTable {
  protected DefaultCellEditor dlgCellEditor;
  protected DefaultCellEditor booleanCellEditor;
  protected TableCellRenderer booleanRender;
  protected DefaultCellEditor longEditor;
  protected DefaultTableCellRenderer longRender;
  protected Hashtable propertyEditors = new Hashtable(10);
  protected Hashtable propertyRender = new Hashtable(10);
  protected Hashtable propertyEditable = new Hashtable(10);
  public PropertyEditorModel ptm = new PropertyEditorModel();

  public PropertyEditor(PropertyEditorModel ptm) {
    super(ptm);
    this.ptm = ptm;
  }

  public PropertyEditor() {
  }

  public class PropertyEditorModel
      extends DefaultTableModel {
    PropertyEditorModel() {
      super(0, 2);
    }

    /**
     * Returns the name of the column at <code>columnIndex</code>.
     *
     * @param columnIndex the index of the column
     * @return the name of the column
     * @todo Implement this javax.swing.table.TableModel method
     */
    public String getColumnName(int columnIndex) {
      if (columnIndex == 0) {
        return "属性";
      }
      else {
        return "值";
      }
    }

    /**
     * Returns true if the cell at <code>rowIndex</code> and
     * <code>columnIndex</code> is editable.
     *
     * @param rowIndex the row whose value to be queried
     * @param columnIndex the column whose value to be queried
     * @return true if the cell is editable
     * @todo Implement this javax.swing.table.TableModel method
     */
    public boolean isCellEditable(int rowIndex, int columnIndex) {
      if (columnIndex == 0) {
        return false;
      }
      else {
        return true;

      }
    }

  }

  /**
   * Returns an appropriate editor for the cell specified by <code>row</code> and
   * <code>column</code>.
   *
   * @param row the row of the cell to edit, where 0 is the first row
   * @param column the column of the cell to edit, where 0 is the first column
   * @return the editor for this cell; if <code>null</code> return the default
   *   editor for this type of cell
   * @todo Implement this javax.swing.JTable method
   */
  public TableCellEditor getCellEditor(int row, int column) {
    TableCellEditor editor = null;
    if (column == 1) {
      editor = (TableCellEditor) propertyEditors.get(this.getValueAt(row, 0));
    }
    if (editor == null) {
      editor = super.getCellEditor(row, column);
    }

    return editor;

  }

  /**
   * Returns an appropriate renderer for the cell specified by this row and
   * column.
   *
   * @param row the row of the cell to render, where 0 is the first row
   * @param column the column of the cell to render, where 0 is the first column
   * @return the assigned renderer; if <code>null</code> returns the default
   *   renderer for this type of object
   * @todo Implement this javax.swing.JTable method
   */
  public TableCellRenderer getCellRenderer(int row, int column) {
    TableCellRenderer render = null;
    if (column == 1) {
      render = (TableCellRenderer) propertyRender.get(this.getValueAt(row, 0));
    }
    if (render == null) {
      render = super.getCellRenderer(row, column);
    }
    return render;
  }

  public void addProperty(String propertyName, Long longNumObj) {
    if (propertyName == null) {
      throw new RuntimeException("属性名称不能为空");
    }
    Object[] row = new Object[2];
    row[0] = propertyName;
    row[1] = longNumObj;
    this.appenRow(row);
    propertyEditors.put(propertyName, longEditor);
    this.propertyRender.put(propertyName, longRender);
    this.propertyEditable.put(propertyName, new Boolean(true));

  }

  public void addProperty(String propertyName, Boolean booleanObj) {
    if (propertyName == null) {
      throw new RuntimeException("属性名称不能为空");
    }
    Object[] row = new Object[2];
    row[0] = propertyName;
    row[1] = booleanObj;
    this.appenRow(row);
    propertyEditors.put(propertyName, this.booleanCellEditor);
    this.propertyRender.put(propertyName, this.booleanRender);
    this.propertyEditable.put(propertyName, new Boolean(true));

  }

  public Object getPropertyValue(String propertyName) {
    Object retValue = null;
    for (int i = 0; i < ptm.getRowCount(); i++) {
      if (ptm.getValueAt(i, 0).equals(propertyName)) {
        retValue = ptm.getValueAt(i, 1);
        break;
      }
    }
    return retValue;
  }

  public void setPropertyValue(String propertyName, Object newValue) {
    for (int i = 0; i < ptm.getRowCount(); i++) {
      if (ptm.getValueAt(i, 0).equals(propertyName)) {
        ptm.setValueAt(newValue, i, 1);
        break;
      }
    }

  }

  public void appenRow(Object[] row) {
    ptm.addRow(row);

  }

  public void createLongEditorRenderer() {

    longEditor = new DefaultCellEditor(new JTextField()) {
      PanelInputText longTextField = new PanelInputText();
      JTextField text = new JTextField();
      Component editor;
      private Object previsousValue = null;
      public Object getCellEditorValue() {
        if (editor instanceof PanelInputText) {

          if ( ( (PanelInputText) editor).getText().equals("")) {
            return (Long)null;
          }
          else {
            System.out.println("getCellEditorValue   " +
                               ( (PanelInputText) editor).getText());

            return new Long( ( (PanelInputText) editor).getText());

          }
        }
        else {
          return (Long)null;
        }
      }

      public Component getTableCellEditorComponent(JTable table, Object value,
          boolean isSelected, int row, int column) {
        editor = null;

        if (value != null) {
          longTextField.setText(value.toString());

        }
        else {
          longTextField.setText("");
        }
        previsousValue = value;
        System.out.println("getTableCellEditorCompontOldValue:   " + value);
        editor = longTextField;
        System.out.println("getTableCellEditorCompont");
        return editor;
      }

      public boolean stopCellEditing() {
        Long lv = null;
        if (! ( (PanelInputText) editor).getText().equals("")) {
          try {
            System.out.println("stopCellEditing");
            lv = new Long( ( (PanelInputText) editor).getText());
          }
          catch (Exception e) {
            this.cancelCellEditing();
            return true;
          }

        }
        if ( (previsousValue == null) ? (previsousValue == lv) :
            this.previsousValue.equals(lv)) {
          System.out.println("stopCellEditing");
          this.cancelCellEditing();
          return true;
        }
        System.out.println("DefaultstopEditing");
        return super.stopCellEditing();

      }

    };
    longEditor.setClickCountToStart(2);
    this.longRender = new DefaultTableCellRenderer() {
      public Component getTableCellRendererComponent(JTable table,
          Object value,
          boolean isSelected,
          boolean hasFocus,
          int row,
          int column) {
        JLabel jLabel;
        jLabel = (JLabel)super.getTableCellRendererComponent(table, value,
            isSelected,
            hasFocus, row, column);
        if (value == null) {
          jLabel.setText("");
        }
        else
        if ( ( (Long) value).toString().equals("11")) {
          jLabel.setText("测试代码名称转换");
        }
        else {
          jLabel.setText( ( (Long) value).toString());

        }

        if (! (value == null)) {
          System.out.println("getRender" + value.getClass().getName());
        }
        return jLabel;

      }

    }

    ;
    longRender.setHorizontalAlignment(JLabel.LEFT);
    longRender.setBackground(Color.pink);
  }

  public void createBooleanEditorRender() {
    JCheckBox jcb = new JCheckBox("");

    this.booleanCellEditor = new DefaultCellEditor(jcb);

    booleanCellEditor.setClickCountToStart(1);
    this.booleanRender = new TableCellRenderer() {

      public Component getTableCellRendererComponent(JTable table, Object value,
          boolean isSelected, boolean hasFocus,
          int row, int column) {

        BooleanRender booleanRender = new BooleanRender();
        if (value != null) {
          if ( ( (Boolean) value).booleanValue()) {
            booleanRender.selJCheckBox(new Boolean(true));
          }
          else {
            booleanRender.selJCheckBox(new Boolean(false));

          }
        }
        else {
          booleanRender.selJCheckBox(new Boolean(false));
        }
        return booleanRender;
      }

    };

  }
}