* Post-conditions: a ParameterRow has been created * @param data the parameter data */ public ParameterRow(ParameterDataInterface data) { // CALL getTypeName on the ParameterDataInterface // CREATE JLabel with the returned string // CALL getDescriptiveName on the ParameterDataInterface // CREATE new text field with the returned name // SET the descriptiveName to the new text field // CALL setBackground on descriptiveName with Color.lightGray // CALL addActionListener on descriptiveName with NEW ChangeNameListener // CALL addFocusListener on descriptiveName with NEW ChangeNameShadeListener // CALL addKeyListener on descriptiveName with NEW ChangeNameShadeListener type = new JLabel(data.getTypeName()); // type of data descriptiveName = new JTextField(data.getDescriptiveName()); // name of data descriptiveName.setBackground(Color.lightGray); descriptiveName.addActionListener(new ChangeNameListener()); descriptiveName.addFocusListener(new ChangeNameShadeListener()); descriptiveName.addKeyListener(new ChangeNameShadeListener()); // CALL isPrimitive on the ParameterDataInterface // IF isPrimitive is true // CALL getValue on the ParameterDataInterface // CONSTRUCT a JTextField with the returned value // CALL setBackground on the value with Color.lightGray // CONSTRUCT a new ChangePrimitiveValueListener // CALL addActionListener on the primitiveValue // with the new ChangePrimitiveValueListener // CALL addFocusListener on the value with ChangePrimitiveValueShadeListener // CALL addKeyListener on value with ChangePrimitiveValueShadeListener // CALL setBorder on primitiveValue with raised // ELSE // CONSTRUCT a JButton with a string containing "inspect" // set inspect equal to the new JButton // CONSTRUCT a new InspectObjectValueListener // CALL addActionListener on inspect with the new // InspectObjectValueListener // CALL setBorder on inspect with raised // ENDIF if (data.isPrimitive()) { value = new JTextField(data.getValue()); // value of data if(((JTextField) value).getColumns() == 0) ((JTextField) value).setColumns(1); ((JTextField)value).addActionListener(new ChangePrimitiveValueListener()); value.setBackground(Color.lightGray); value.addFocusListener(new ChangePrimitiveValueShadeListener()); value.addKeyListener(new ChangePrimitiveValueShadeListener()); } else { value = new JButton("inspect"); // value of data ((JButton)value).addActionListener(new InspectObjectValueListener()); } value.setBorder(raised); // CONSTRUCT RemoveListener // SET removeListener to new RemoveListener // SET parameterData to data // CONSTRUCT new SelectedListener // CALL addMouseListener on type // CALL setBorder on type with raised // CALL setBorder on descriptiveName with raised removeListener = new RemoveListener(); parameterData = data; type.addMouseListener(new SelectedListener()); type.setBorder(raised); descriptiveName.setBorder(raised); remover = new RemoveListener(); } /** * determines whether or not the row is selected *
* Pre-conditions: none
* Post-conditions: none
*/
public boolean isSelected()
{
// RETURN true if the row is selected
return lowered == type.getBorder();;
}
/**
* either selects or deselects the row
*
* Pre-conditions: none
* Post-conditions: none
* @param select boolean determining whether or not to select the row
*/
public void setSelected(boolean select)
{
// IF select is equal to true
// select the row
// ELSE
// deselect the row
// ENDIF
Border selector = select ? lowered : raised;
value.setBorder(selector);
type.setBorder(selector);
descriptiveName.setBorder(selector);
}
/**
* gets the name of the parameter data
*
* Pre-conditions: none
* Post-conditions: none
* @return JTextField containing the name
*/
public JTextField getNameTextField()
{
// RETURN descriptiveName
return descriptiveName;
}
/**
* gets the type of the parameter data
*
* Pre-conditions: none
* Post-conditions: none
* @return JLabel containing the type
*/
public JLabel getTypeLabel()
{
// RETURN type
return type;
}
/**
* removes the row from the object pool
*
* Pre-conditions: none
* Post-conditions: row has been removed from pool
*/
public void remove()
{
ETA.out.println("Class: ParameterRow method: remove");
// CALL remove on the ParameterDataInterface
parameterData.remove();
}
/**
* gets the value of the parameter
*
* Pre-conditions: none
* Post-conditions: none
* @return JComponent containing the value
*/
public JComponent getValueComponent()
{
// RETURN value
return value;
}
/**
* Returns the ActionListener that will reaspond to action events
* by removing the ParameterRow
*/
public ActionListener getRemoveListener()
{
// RETURN removeListener
return remover;
}
/**
* an action listener that will listen to events and reaspond by
* calling remove on its ParameterDataInterface
*/
protected ActionListener remover;
/**
* the parameter data
*/
protected ParameterDataInterface parameterData;
/**
* JComponent that will be reasponsible for displaying the value of
* ParameterData.
*/
protected JComponent value;
/**
* the name of the parameter
*/
protected JTextField descriptiveName;
/**
* the type of the paramter
*/
protected JLabel type;
/**
* a RemoveListener
*/
protected RemoveListener removeListener;
/**
* indicates selection on the components of the row
*/
protected static Border lowered = BorderFactory.createLoweredBevelBorder();
/**
* indicates non-selection on the components of the row
*/
protected static Border raised = BorderFactory.createRaisedBevelBorder();
/**
* This class listens for button clicks on the inspect button.
*/
protected class InspectObjectValueListener implements ActionListener
{
/**
* inspects the object
*
* Pre-conditions: the InspectObjectValueListener has been triggered
* Post-conditions: none
* @param evt the ActionEvent
*/
public void actionPerformed(ActionEvent evt)
{
// CALL inspectObjectValue on parameterData
parameterData.inspectObjectValue();
}
}
/**
* This class listens for button clicks on the remove button.
*/
protected class RemoveListener implements ActionListener
{
/**
* removes the parameter data from the object pool
*
* Pre-conditions: the RemoveListener has been triggered
* Post-conditions: none
* @param evt the ActionEvent
*/
public void actionPerformed(ActionEvent evt)
{
// CALL getSource on evt
// CALL getBorder on the descriptiveName returns bord
// IF bord equals lowered
// CALL remove on ParameterDataInterface
// ENDIF
if (descriptiveName.getBorder() == lowered)
{
parameterData.remove();
}
}
}
/**
* This class listens for changes to the value text field.
*/
protected class ChangePrimitiveValueListener implements ActionListener
{
/**
* changes the value
*
* Pre-conditions: the ChangePrimitiveValueListener has been triggered
* Post-conditions: none
* @param evt the ActionEvent
*/
public void actionPerformed(ActionEvent evt)
{
// CALL getText
// CALL changePrimitiveValue of ParameterDataInterface with the returned value
// CALL requestFocus of type to get rid of focus (hey, it works)
JTextField tempTextField = (JTextField)evt.getSource(); // text of the source
try
{
parameterData.changePrimitiveValue(tempTextField.getText());
}
catch(NumberFormatException exception)
{
JOptionPane.showMessageDialog(null, "Invalid Input: " +
exception.getMessage());
}
type.requestFocus();
}
}
/**
* This class listens for changes to the name text field.
*/
protected class ChangeNameListener implements ActionListener
{
/**
* changes the name
*
* Pre-conditions: the ChangeNameListener has been triggered
* Post-conditions: none
* @param evt the ActionEvent
*/
public void actionPerformed(ActionEvent evt)
{
// CALL getText on descriptiveName
// CALL changeName of ParameterDataInterface with the returned string
// CALL requestFocus of type to get rid of focus (hey, it works)
parameterData.changeName(descriptiveName.getText());
type.requestFocus();
}
}
/**
* This class listens for when the user clicks on any component of the row.
*/
protected class SelectedListener extends MouseAdapter
{
/**
* it toggles the selection of the components
*
* Pre-conditions: the SelectedListener has been triggered
* Post-conditions: none
* @param evt the MouseEvent
*/
public void mouseClicked(MouseEvent evt)
{
// CALL getBorder on type
// IF returned border equals lowered
// SET returned border on all components with raised
// ELSE
// SET returned border on all components with lowered
// ENDIF
setSelected(type.getBorder() != lowered);
}
}
/**
* This class listens for changes to the name text field.
*/
protected class ChangeNameShadeListener implements FocusListener, KeyListener
{
/**
* unshades the components
*
* Pre-conditions: the FocusListener has been triggered
* Post-conditions: none
* @param evt the FocusEvent
*/
public void focusGained(FocusEvent evt)
{
// CALL getSource of evt returns JTextField
// CALL setBackground of the JTextField with value Color.white
JTextField tempTextField = (JTextField)evt.getSource();
tempTextField.setBackground(Color.white);
}
/**
* shades the components
*
* Pre-conditions: the FocusListener has been triggered
* Post-conditions: none
* @param evt the FocusEvent
*/
public void focusLost(FocusEvent evt)
{
// CALL getSource of evt returns JTextField
// CALL setBackground of the JTextField with value Color.lgihtGray
// CALL getDescriptiveName of parameterData and use returned value to setText
JTextField tempTextField = (JTextField)evt.getSource();
tempTextField.setBackground(Color.lightGray);
tempTextField.setText(parameterData.getDescriptiveName());
}
/**
* removes the focus if the escape key is released
*
* Pre-conditions: the KeyListener has been triggered
* Post-conditions: none
* @param evt the KeyEvent
*/
public void keyReleased(KeyEvent evt)
{
// CALL getKeyCode of evt returns keyCode
// IF keyCode = KeyEvent.VK_ESCAPE
// CALL requestFocus of type
// END IF
if (evt.getKeyCode() == KeyEvent.VK_ESCAPE)
{
type.requestFocus();
}
}
public void keyPressed(KeyEvent evt)
{
// nothing - not needed
}
public void keyTyped(KeyEvent evt)
{
// nothing - not needed
}
}
/**
* This class listens for changes to the value text field.
*/
protected class ChangePrimitiveValueShadeListener implements FocusListener, KeyListener
{
/**
* unshades the components
*
* Pre-conditions: the FocusListener has been triggered
* Post-conditions: none
* @param evt the FocusEvent
*/
public void focusGained(FocusEvent evt)
{
// CALL getSource of evt returns JTextField
// CALL setBackground of the JTextField with value Color.white
JTextField tempTextField = (JTextField)evt.getSource();
tempTextField.setBackground(Color.white);
}
/**
* shades the components
*
* Pre-conditions: the FocusListener has been triggered
* Post-conditions: none
* @param evt the FocusEvent
*/
public void focusLost(FocusEvent evt)
{
// CALL getSource of evt returns JTextField
// CALL setBackground of the JTextField with value Color.lgihtGray
// CALL getValue of parameterData and use the returned value to setText
JTextField tempTextField = (JTextField)evt.getSource();
tempTextField.setBackground(Color.lightGray);
tempTextField.setText(parameterData.getValue());
}
/**
* removes the focus if the escape key is released
*
* Pre-conditions: the KeyListener has been triggered
* Post-conditions: none
* @param evt the KeyEvent
*/
public void keyReleased(KeyEvent evt)
{
// CALL getKeyCode of evt returns keyCode
// IF keyCode = KeyEvent.VK_ESCAPE
// CALL requestFocus of type
// END IF
if (evt.getKeyCode() == KeyEvent.VK_ESCAPE)
{
type.requestFocus();
}
}
public void keyPressed(KeyEvent evt)
{
// nothing - not needed
}
public void keyTyped(KeyEvent evt)
{
// nothing - not needed
}
}
}