java.beans.PropertyEditor#getCustomEditor ( )源码实例Demo

private void btnSelectFontActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnSelectFontActionPerformed
    PropertyEditor pe = PropertyEditorManager.findEditor(Font.class);
    if (pe != null) {
        pe.setValue(outputOptions.getFont());
        DialogDescriptor dd = new DialogDescriptor(pe.getCustomEditor(),
                NbBundle.getMessage(Controller.class,
                "LBL_Font_Chooser_Title"));                         //NOI18N
        String defaultFont = NbBundle.getMessage(Controller.class,
                "BTN_Defaul_Font");                                 //NOI18N
        dd.setOptions(new Object[]{DialogDescriptor.OK_OPTION,
                    defaultFont, DialogDescriptor.CANCEL_OPTION});  //NOI18N
        DialogDisplayer.getDefault().createDialog(dd).setVisible(true);
        if (dd.getValue() == DialogDescriptor.OK_OPTION) {
            Font f = (Font) pe.getValue();
            outputOptions.setFont(f);
        } else if (dd.getValue() == defaultFont) {
            outputOptions.setFont(null);
        }
        updateFontField();
    }
}
 

private void fontButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_fontButtonActionPerformed
PropertyEditor pe = PropertyEditorManager.findEditor(Font.class);
if (pe != null) {
    pe.setValue(termOptions.getFont());
    DialogDescriptor dd = new DialogDescriptor(pe.getCustomEditor(), FontChooser_title());

    String defaultFontString = FontChooser_defaultFont_label();
    dd.setOptions(new Object[]{DialogDescriptor.OK_OPTION,
	defaultFontString, DialogDescriptor.CANCEL_OPTION});  //NOI18N
    DialogDisplayer.getDefault().createDialog(dd).setVisible(true);
    if (dd.getValue() == DialogDescriptor.OK_OPTION) {
	Font f = (Font) pe.getValue();
	termOptions.setFont(f);
	applyTermOptions();
    } else if (dd.getValue() == defaultFontString) {
	Font controlFont = UIManager.getFont("controlFont");			//NOI18N
	int fontSize = (controlFont == null) ? 12 : controlFont.getSize();
	termOptions.setFont(new Font("monospaced", Font.PLAIN, fontSize));	//NOI18N
    }
}
   }
 

public CellEditorAdapter(PropertyEditor editor) {
  this.editor = editor;
  Component component = editor.getCustomEditor();
  if (component instanceof JTextField) {
    JTextField field = (JTextField)component;
    field.addFocusListener(new SelectOnFocus());
    field.addActionListener(new CommitEditing());
    field.registerKeyboardAction(
      new CancelEditing(),
      KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0),
      JComponent.WHEN_FOCUSED);
  }

  // when the editor notifies a change, commit the changes
  editor.addPropertyChangeListener(new PropertyChangeListener() {
    public void propertyChange(PropertyChangeEvent evt) {       
      stopCellEditing();
    }
  });
}
 

/**
 * Tries to determine a view for the editor.
 *
 * @param editor	the editor to get the view for
 * @return		the view, null if failed to determine one
 */
public static JComponent findView(PropertyEditor editor) {
	JComponent	result;

	result = null;

	if (editor.supportsCustomEditor() && editor.isPaintable()) {
		result = new PropertyPanel(editor);
	}
	else if (editor.supportsCustomEditor() && (editor.getCustomEditor() instanceof JComponent)) {
		result = (JComponent) editor.getCustomEditor();
	}
	else if (editor.getTags() != null) {
		result = new PropertyValueSelector(editor);
	}
	else if (editor.getAsText() != null) {
		result = new PropertyText(editor);
	}

	return result;
}
 

private void buttonFontActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_buttonFontActionPerformed
  final PropertyEditor editor = PropertyEditorManager.findEditor(Font.class);
  if (editor == null) {
    LOGGER.error("Can't find any font editor");
    NbUtils.msgError(null, "Can't find editor! Unexpected state! Contact developer!");
    return;
  }
  editor.setValue(this.config.getFont());

  final DialogDescriptor descriptor = new DialogDescriptor(
          editor.getCustomEditor(),
          "Mind map font"
  );

  DialogDisplayer.getDefault().createDialog(descriptor).setVisible(true);
  if (descriptor.getValue() == DialogDescriptor.OK_OPTION) {
    this.config.setFont((Font) editor.getValue());
    updateFontButton(this.config);
    if (changeNotificationAllowed) {
      this.controller.changed();
    }
  }
}
 

public CellEditorAdapter(PropertyEditor editor) {
  this.editor = editor;
  Component component = editor.getCustomEditor();
  if (component instanceof JTextField) {
    JTextField field = (JTextField)component;
    field.addFocusListener(new SelectOnFocus());
    field.addActionListener(new CommitEditing());
    field.registerKeyboardAction(
      new CancelEditing(),
      KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0),
      JComponent.WHEN_FOCUSED);
  }

  // when the editor notifies a change, commit the changes
  editor.addPropertyChangeListener(new PropertyChangeListener() {
    public void propertyChange(PropertyChangeEvent evt) {       
      stopCellEditing();
    }
  });
}
 

public boolean performEdit( final PropertyEditor editor ) {
  if ( editor == null ) {
    throw new NullPointerException();
  }

  final Object originalValue = editor.getValue();
  final Component view = editor.getCustomEditor();
  if ( view instanceof ValidatingPropertyEditorComponent ) {
    validatingView = (ValidatingPropertyEditorComponent) view;
    validatingView.addPropertyChangeListener( validationHandler );
  } else {
    validatingView = null;
  }

  contentPane.removeAll();
  contentPane.add( new JScrollPane( view ), BorderLayout.CENTER );

  if ( super.performEdit() == false ) {
    try {
      editor.setValue( originalValue );
    } catch ( Exception ex ) {
      // ignore ..
    }
  }
  if ( validatingView != null ) {
    validatingView.removePropertyChangeListener( validationHandler );
  }
  return isConfirmed();
}