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/*****************************************************************************
* Licensed to the Apache Software Foundation (ASF) under one *
* or more contributor license agreements. See the NOTICE file *
* distributed with this work for additional information *
* regarding copyright ownership. The ASF licenses this file *
* to you under the Apache License, Version 2.0 (the *
* "License"); you may not use this file except in compliance *
* with the License. You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, *
* software distributed under the License is distributed on an *
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
* KIND, either express or implied. See the License for the *
* specific language governing permissions and limitations *
* under the License. *
* *
* *
* This file is part of the BeanShell Java Scripting distribution. *
* Documentation and updates may be found at http://www.beanshell.org/ *
* Patrick Niemeyer ([email protected]) *
* Author of Learning Java, O'Reilly & Associates *
* *
*****************************************************************************/
package bsh;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.io.*;
import java.beans.*;
/**
JThis is a dynamically loaded extension which extends This and adds
explicit support for AWT and JFC events, etc. This is a backwards
compatibility measure for JDK 1.2. With 1.3+ there is a general
reflection proxy mechanism that allows the base This to implement
arbitrary interfaces.
The NameSpace getThis() method will produce instances of JThis if
the java version is prior to 1.3 and swing is available... (e.g. 1.2
or 1.1 + swing installed)
Users of 1.1 without swing will have minimal interface support (just run()).
Bsh doesn't run on 1.02 and below because there is no reflection!
Note: This module relies on features of Swing and will only compile
with JDK1.2 or JDK1.1 + the swing package. For other environments simply
do not compile this class.
*/
class JThis extends This implements
// All core AWT listeners
ActionListener, AdjustmentListener, ComponentListener,
ContainerListener, FocusListener, ItemListener, KeyListener,
MouseListener, MouseMotionListener, TextListener, WindowListener,
PropertyChangeListener,
// All listeners in javax.swing.event as of Swing 1.1
AncestorListener, CaretListener, CellEditorListener, ChangeListener,
DocumentListener, HyperlinkListener,
InternalFrameListener, ListDataListener, ListSelectionListener,
MenuDragMouseListener, MenuKeyListener, MenuListener, MouseInputListener,
PopupMenuListener, TableColumnModelListener, TableModelListener,
TreeExpansionListener, TreeModelListener, TreeSelectionListener,
TreeWillExpandListener, UndoableEditListener
{
JThis( NameSpace namespace, Interpreter declaringInterp ) {
super( namespace, declaringInterp );
}
public String toString() {
return "'this' reference (JThis) to Bsh object: " + namespace.getName();
}
void event(String name, Object event)
{
CallStack callstack = new CallStack( namespace );
BshMethod method = null;
// handleEvent gets all events
try {
method = namespace.getMethod(
"handleEvent", new Class [] { null } );
} catch ( UtilEvalError e ) {/*squeltch*/ }
if (method != null)
try {
method.invoke(
new Object[] { event }, declaringInterpreter, callstack, null );
} catch(EvalError e) {
declaringInterpreter.error(
"local event hander method invocation error:" + e );
}
// send to specific event handler
try {
method = namespace.getMethod( name, new Class [] { null } );
} catch ( UtilEvalError e ) { /*squeltch*/ }
if (method != null)
try {
method.invoke(
new Object[] { event }, declaringInterpreter, callstack, null );
} catch(EvalError e) {
declaringInterpreter.error(
"local event hander method invocation error:" + e );
}
}
// Listener interfaces
public void ancestorAdded(AncestorEvent e) { event("ancestorAdded", e); }
public void ancestorRemoved(AncestorEvent e) { event("ancestorRemoved", e); }
public void ancestorMoved(AncestorEvent e) { event("ancestorMoved", e); }
public void caretUpdate(CaretEvent e) { event("caretUpdate", e); }
public void editingStopped(ChangeEvent e) { event("editingStopped", e); }
public void editingCanceled(ChangeEvent e) { event("editingCanceled", e); }
public void stateChanged(ChangeEvent e) { event("stateChanged", e); }
public void insertUpdate(DocumentEvent e) { event("insertUpdate", e); }
public void removeUpdate(DocumentEvent e) { event("removeUpdate", e); }
public void changedUpdate(DocumentEvent e) { event("changedUpdate", e); }
public void hyperlinkUpdate(HyperlinkEvent e) { event("internalFrameOpened", e); }
public void internalFrameOpened(InternalFrameEvent e) { event("internalFrameOpened", e); }
public void internalFrameClosing(InternalFrameEvent e) { event("internalFrameClosing", e); }
public void internalFrameClosed(InternalFrameEvent e) { event("internalFrameClosed", e); }
public void internalFrameIconified(InternalFrameEvent e) { event("internalFrameIconified", e); }
public void internalFrameDeiconified(InternalFrameEvent e) { event("internalFrameDeiconified", e); }
public void internalFrameActivated(InternalFrameEvent e) { event("internalFrameActivated", e); }
public void internalFrameDeactivated(InternalFrameEvent e) { event("internalFrameDeactivated", e); }
public void intervalAdded(ListDataEvent e) { event("intervalAdded", e); }
public void intervalRemoved(ListDataEvent e) { event("intervalRemoved", e); }
public void contentsChanged(ListDataEvent e) { event("contentsChanged", e); }
public void valueChanged(ListSelectionEvent e) { event("valueChanged", e); }
public void menuDragMouseEntered(MenuDragMouseEvent e) { event("menuDragMouseEntered", e); }
public void menuDragMouseExited(MenuDragMouseEvent e) { event("menuDragMouseExited", e); }
public void menuDragMouseDragged(MenuDragMouseEvent e) { event("menuDragMouseDragged", e); }
public void menuDragMouseReleased(MenuDragMouseEvent e) { event("menuDragMouseReleased", e); }
public void menuKeyTyped(MenuKeyEvent e) { event("menuKeyTyped", e); }
public void menuKeyPressed(MenuKeyEvent e) { event("menuKeyPressed", e); }
public void menuKeyReleased(MenuKeyEvent e) { event("menuKeyReleased", e); }
public void menuSelected(MenuEvent e) { event("menuSelected", e); }
public void menuDeselected(MenuEvent e) { event("menuDeselected", e); }
public void menuCanceled(MenuEvent e) { event("menuCanceled", e); }
public void popupMenuWillBecomeVisible(PopupMenuEvent e) { event("popupMenuWillBecomeVisible", e); }
public void popupMenuWillBecomeInvisible(PopupMenuEvent e) { event("popupMenuWillBecomeInvisible", e); }
public void popupMenuCanceled(PopupMenuEvent e) { event("popupMenuCanceled", e); }
public void columnAdded(TableColumnModelEvent e) { event("columnAdded", e); }
public void columnRemoved(TableColumnModelEvent e) { event("columnRemoved", e); }
public void columnMoved(TableColumnModelEvent e) { event("columnMoved", e); }
public void columnMarginChanged(ChangeEvent e) { event("columnMarginChanged", e); }
public void columnSelectionChanged(ListSelectionEvent e) { event("columnSelectionChanged", e); }
public void tableChanged(TableModelEvent e) { event("tableChanged", e); }
public void treeExpanded(TreeExpansionEvent e) { event("treeExpanded", e); }
public void treeCollapsed(TreeExpansionEvent e) { event("treeCollapsed", e); }
public void treeNodesChanged(TreeModelEvent e) { event("treeNodesChanged", e); }
public void treeNodesInserted(TreeModelEvent e) { event("treeNodesInserted", e); }
public void treeNodesRemoved(TreeModelEvent e) { event("treeNodesRemoved", e); }
public void treeStructureChanged(TreeModelEvent e) { event("treeStructureChanged", e); }
public void valueChanged(TreeSelectionEvent e) { event("valueChanged", e); }
public void treeWillExpand(TreeExpansionEvent e) { event("treeWillExpand", e); }
public void treeWillCollapse(TreeExpansionEvent e) { event("treeWillCollapse", e); }
public void undoableEditHappened(UndoableEditEvent e) { event("undoableEditHappened", e); }
// Listener interfaces
public void actionPerformed(ActionEvent e) { event("actionPerformed", e); }
public void adjustmentValueChanged(AdjustmentEvent e) { event("adjustmentValueChanged", e); }
public void componentResized(ComponentEvent e) { event("componentResized", e); }
public void componentMoved(ComponentEvent e) { event("componentMoved", e); }
public void componentShown(ComponentEvent e) { event("componentShown", e); }
public void componentHidden(ComponentEvent e) { event("componentHidden", e); }
public void componentAdded(ContainerEvent e) { event("componentAdded", e); }
public void componentRemoved(ContainerEvent e) { event("componentRemoved", e); }
public void focusGained(FocusEvent e) { event("focusGained", e); }
public void focusLost(FocusEvent e) { event("focusLost", e); }
public void itemStateChanged(ItemEvent e) { event("itemStateChanged", e); }
public void keyTyped(KeyEvent e) { event("keyTyped", e); }
public void keyPressed(KeyEvent e) { event("keyPressed", e); }
public void keyReleased(KeyEvent e) { event("keyReleased", e); }
public void mouseClicked(MouseEvent e) { event("mouseClicked", e); }
public void mousePressed(MouseEvent e) { event("mousePressed", e); }
public void mouseReleased(MouseEvent e) { event("mouseReleased", e); }
public void mouseEntered(MouseEvent e) { event("mouseEntered", e); }
public void mouseExited(MouseEvent e) { event("mouseExited", e); }
public void mouseDragged(MouseEvent e) { event("mouseDragged", e); }
public void mouseMoved(MouseEvent e) { event("mouseMoved", e); }
public void textValueChanged(TextEvent e) { event("textValueChanged", e); }
public void windowOpened(WindowEvent e) { event("windowOpened", e); }
public void windowClosing(WindowEvent e) { event("windowClosing", e); }
public void windowClosed(WindowEvent e) { event("windowClosed", e); }
public void windowIconified(WindowEvent e) { event("windowIconified", e); }
public void windowDeiconified(WindowEvent e) { event("windowDeiconified", e); }
public void windowActivated(WindowEvent e) { event("windowActivated", e); }
public void windowDeactivated(WindowEvent e) { event("windowDeactivated", e); }
public void propertyChange(PropertyChangeEvent e) {
event("propertyChange", e ); }
public void vetoableChange(PropertyChangeEvent e) {
event("vetoableChange", e ); }
public boolean imageUpdate(java.awt.Image img, int infoflags,
int x, int y, int width, int height) {
BshMethod method = null;
try {
method = namespace.getMethod( "imageUpdate",
new Class [] { null, null, null, null, null, null } );
} catch ( UtilEvalError e ) {/*squeltch*/ }
if(method != null)
try {
CallStack callstack = new CallStack( namespace );
method.invoke(
new Object[] {
img, new Primitive(infoflags), new Primitive(x),
new Primitive(y), new Primitive(width),
new Primitive(height) },
declaringInterpreter, callstack, null
);
} catch(EvalError e) {
declaringInterpreter.error(
"local event handler imageUpdate: method invocation error:" + e );
}
return true;
}
}
