gnu.iou.sh
Class ta

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--javax.swing.text.JTextComponent
                          |
                          +--javax.swing.JTextArea
                                |
                                +--gnu.iou.sh.ta

All Implemented Interfaces:

javax.accessibility.Accessible, javax.swing.event.DocumentListener, java.util.EventListener, java.awt.image.ImageObserver, java.awt.event.KeyListener, java.awt.MenuContainer, javax.swing.Scrollable, java.io.Serializable

public class ta

extends javax.swing.JTextArea

implements java.awt.event.KeyListener, javax.swing.event.DocumentListener

An interpreter text area used by shell provides a stream based I/O environment like the command- line.

This object exports pipe streams that can be read and written by an interpreter.

Author:

John Pritchard (john@syntelos.org)

See Also:

shell, Serialized Form

Inner classes inherited from class javax.swing.JTextArea

javax.swing.JTextArea.AccessibleJTextArea

Inner classes inherited from class javax.swing.text.JTextComponent

javax.swing.text.JTextComponent.AccessibleJTextComponent, javax.swing.text.JTextComponent.KeyBinding

Inner classes inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Inner classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Inner classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent

Fields inherited from class javax.swing.text.JTextComponent

DEFAULT_KEYMAP, FOCUS_ACCELERATOR_KEY

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

ta(int rows, int columns)

Method Summary

protected void	_usr_write(byte[] b, int off, int len) Used from Shell Out.
protected void	_usr_write(int b) Used from Shell Out.
void	changedUpdate(javax.swing.event.DocumentEvent evt)
void	eval(java.lang.String str) Send argument string to interpreter.
java.io.PrintStream	getStderr()
java.io.DataInputStream	getStdin()
java.io.PrintStream	getStdout()
void	insertUpdate(javax.swing.event.DocumentEvent evt)
void	keyPressed(java.awt.event.KeyEvent e)
void	keyReleased(java.awt.event.KeyEvent e)
void	keyTyped(java.awt.event.KeyEvent e)
void	removeUpdate(javax.swing.event.DocumentEvent evt)
void	select(int start, int end)

Methods inherited from class javax.swing.JTextArea

append, createDefaultModel, getAccessibleContext, getColumns, getColumnWidth, getLineCount, getLineEndOffset, getLineOfOffset, getLineStartOffset, getLineWrap, getPreferredScrollableViewportSize, getPreferredSize, getRowHeight, getRows, getScrollableTracksViewportWidth, getScrollableUnitIncrement, getTabSize, getUIClassID, getWrapStyleWord, insert, isManagingFocus, paramString, processKeyEvent, replaceRange, setColumns, setFont, setLineWrap, setRows, setTabSize, setWrapStyleWord

Methods inherited from class javax.swing.text.JTextComponent

addCaretListener, addInputMethodListener, addKeymap, copy, cut, fireCaretUpdate, getActions, getCaret, getCaretColor, getCaretPosition, getDisabledTextColor, getDocument, getFocusAccelerator, getHighlighter, getInputMethodRequests, getKeymap, getKeymap, getMargin, getScrollableBlockIncrement, getScrollableTracksViewportHeight, getSelectedText, getSelectedTextColor, getSelectionColor, getSelectionEnd, getSelectionStart, getText, getText, getUI, isEditable, isFocusTraversable, loadKeymap, modelToView, moveCaretPosition, paste, processInputMethodEvent, read, removeCaretListener, removeKeymap, removeNotify, replaceSelection, selectAll, setCaret, setCaretColor, setCaretPosition, setDisabledTextColor, setDocument, setEditable, setFocusAccelerator, setHighlighter, setKeymap, setMargin, setSelectedTextColor, setSelectionColor, setSelectionEnd, setSelectionStart, setText, setUI, updateUI, viewToModel, write

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getVerifyInputWhenFocusTarget, getVisibleRect, getWidth, getX, getY, grabFocus, hasFocus, hide, isDoubleBuffered, isFocusCycleRoot, isLightweightComponent, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processFocusEvent, processKeyBinding, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDoubleBuffered, setEnabled, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getLayout, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setLayout, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addKeyListener, addMouseListener, addMouseMotionListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getInputContext, getLocale, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, imageUpdate, inside, isDisplayable, isEnabled, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processHierarchyBoundsEvent, processHierarchyEvent, processMouseEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ta

public ta(int rows,
          int columns)

Parameters:

rows - Number of rows text area rows.

columns - Number of text area columns.

Method Detail

getStdin

public java.io.DataInputStream getStdin()

getStdout

public java.io.PrintStream getStdout()

getStderr

public java.io.PrintStream getStderr()

eval

public void eval(java.lang.String str)

Send argument string to interpreter.

keyPressed

public void keyPressed(java.awt.event.KeyEvent e)

Specified by:

keyPressed in interface java.awt.event.KeyListener

See Also:

KeyListener

keyTyped

public void keyTyped(java.awt.event.KeyEvent e)

Specified by:

keyTyped in interface java.awt.event.KeyListener

See Also:

KeyListener

keyReleased

public void keyReleased(java.awt.event.KeyEvent e)

Specified by:

keyReleased in interface java.awt.event.KeyListener

See Also:

KeyListener

select

public void select(int start,
                   int end)

Overrides:

select in class javax.swing.text.JTextComponent

See Also:

JTextComponent

insertUpdate

public void insertUpdate(javax.swing.event.DocumentEvent evt)

Specified by:

insertUpdate in interface javax.swing.event.DocumentListener

See Also:

DocumentListener

removeUpdate

public void removeUpdate(javax.swing.event.DocumentEvent evt)

Specified by:

removeUpdate in interface javax.swing.event.DocumentListener

See Also:

DocumentListener

changedUpdate

public void changedUpdate(javax.swing.event.DocumentEvent evt)

Specified by:

changedUpdate in interface javax.swing.event.DocumentListener

See Also:

DocumentListener

_usr_write

protected void _usr_write(int b)
                   throws java.io.IOException

Used from Shell Out.

See Also:

to.write(int)

_usr_write

protected void _usr_write(byte[] b,
                          int off,
                          int len)
                   throws java.io.IOException

Used from Shell Out.

See Also:

to.write(byte[],int,int)