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org.htmlparser.parserapplications.filterbuilder
Class FilterBuilder

java.lang.Object
  extended by java.awt.Component
      extended by java.awt.Container
          extended by java.awt.Window
              extended by java.awt.Frame
                  extended by javax.swing.JFrame
                      extended by org.htmlparser.parserapplications.filterbuilder.FilterBuilder
All Implemented Interfaces:
ClipboardOwner, DragGestureListener, DragSourceListener, DropTargetListener, ActionListener, MouseListener, MouseMotionListener, WindowListener, ImageObserver, MenuContainer, Serializable, EventListener, Accessible, RootPaneContainer, WindowConstants
public class FilterBuilder
extends JFrame
implements WindowListener, ActionListener, MouseListener, MouseMotionListener, DragGestureListener, DragSourceListener, DropTargetListener, ClipboardOwner

The main program for the FilterBuilder programming system.

ToDo:

See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class javax.swing.JFrame
JFrame.AccessibleJFrame
 
Nested classes/interfaces inherited from class java.awt.Frame
Frame.AccessibleAWTFrame
 
Nested classes/interfaces inherited from class java.awt.Window
Window.AccessibleAWTWindow
 
Nested classes/interfaces inherited from class java.awt.Container
Container.AccessibleAWTContainer
 
Nested classes/interfaces inherited from class java.awt.Component
Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy
 
Field Summary
protected  Point mBasePoint
          The relative position of the mouse while dragging.
protected  Component mCurrentComponent
          Kludge: Used by actionPerformed/filterAction to remember the filter menu item.
protected  DragSource mDragSource
          Enables this component to be a Drag Source.
protected  DropTarget mDropTarget
          This component is a drop target.
protected  JPanel mMainPanel
          The main panel GUI component.
protected  JScrollPane mMainScroller
          The main panel scrolling GUI component.
protected  boolean mMoved
          If true selection moved.
protected  JDesktopPane mOutput
          The output panel GUI component.
protected  Vector mSelection
          Selected commands.
protected  JTextField mURLField
          The URL input GUI component.
 
Fields inherited from class javax.swing.JFrame
accessibleContext, EXIT_ON_CLOSE, rootPane, rootPaneCheckingEnabled
 
Fields inherited from class java.awt.Frame
CROSSHAIR_CURSOR, DEFAULT_CURSOR, E_RESIZE_CURSOR, HAND_CURSOR, ICONIFIED, MAXIMIZED_BOTH, MAXIMIZED_HORIZ, MAXIMIZED_VERT, MOVE_CURSOR, N_RESIZE_CURSOR, NE_RESIZE_CURSOR, NORMAL, NW_RESIZE_CURSOR, S_RESIZE_CURSOR, SE_RESIZE_CURSOR, SW_RESIZE_CURSOR, TEXT_CURSOR, W_RESIZE_CURSOR, WAIT_CURSOR
 
Fields inherited from class java.awt.Component
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
 
Fields inherited from interface javax.swing.WindowConstants
DISPOSE_ON_CLOSE, DO_NOTHING_ON_CLOSE, HIDE_ON_CLOSE
 
Fields inherited from interface java.awt.image.ImageObserver
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH
 
Constructor Summary
FilterBuilder()
          Create an FilterBuilder programming environment.
FilterBuilder(String title)
          Creates a new instance of an FilterBuilder environment with the given title.
 
Method Summary
protected  void aboutAction()
          The action to take when "About" menu or button pressed.
 void actionPerformed(ActionEvent event)
          Handles menu and toolbar item choices.
 void addFilter(JMenu menu, JToolBar toolbar, String class_name)
          Add a filter to the GUI.
protected  void addSelection(Filter filter)
          Add a filter to the current selection set.
protected  String classFromFile(String file)
          Extracts a java class name from a file name.
protected  void clearSelection()
          Clear (empty) the current selection set.
 void collapseAction()
          The action to take when "Collapse" menu chosen.
 void collapseAllAction()
          The action to take when "Collapse" menu chosen.
protected  void copyAction()
          The action to take when "Copy" menu or button pressed.
protected  void cutAction()
          The action to take when "Cut" menu or button pressed.
protected  void deleteAction()
          The action to take when "Delete" menu or button pressed.
 void deleteSelection()
          Delete the current selection set from the filters in the GUI.
 void dragDropEnd(DragSourceDropEvent event)
          This message goes to DragSourceListener, informing it that the dragging has ended.
 void dragEnter(DragSourceDragEvent event)
          This message goes to DragSourceListener, informing it that the dragging has entered the DropSite.
 void dragEnter(DropTargetDragEvent event)
          This is invoked when you are dragging over the DropSite.
 void dragExit(DragSourceEvent event)
          This message goes to DragSourceListener, informing it that the dragging has exited the DropSite.
 void dragExit(DropTargetEvent event)
          Thi ss invoked when you are exit the DropSite without dropping.
 void dragGestureRecognized(DragGestureEvent event)
          A DragGestureRecognizer has detected a platform-dependent drag initiating gesture.
 void dragOver(DragSourceDragEvent event)
          This message goes to DragSourceListener, informing it that the dragging is currently ocurring over the DropSite.
 void dragOver(DropTargetDragEvent event)
          This is invoked when a drag operation is going on.
 void drop(DropTargetDropEvent event)
          This is invoked when a drop has occurred.
 void dropActionChanged(DragSourceDragEvent event)
          This is invoked when the user changes the dropAction.
 void dropActionChanged(DropTargetDragEvent event)
          This is invoked if the user modifies the current drop gesture.
protected  void executeAction()
          The action to take when "Execute" menu or button pressed.
protected  void exitAction()
          The action to take when "Exit" menu or button pressed.
 void expandAction()
          The action to take when "Expand" menu chosen.
 void expandAllAction()
          The action to take when "Expand All" menu chosen.
protected  void fetchAction()
          The action to take when "Fetch" menu pressed.
protected  void filterAction()
          The action to take when a filter menu or button pressed.
protected  void filteringAction()
          The action to take when "Filtering" menu pressed.
protected  Point getBasePoint()
          Gets the current base point of the mouse pointer.
protected  SubFilterList getEnclosed(Component component)
          Get the enclosed sub filter list if any.
protected  SubFilterList getEnclosing(Component component)
          Get the enclosing sub filter list if any.
 Filter[] getFilters()
          Retrieve the top level filters in the main window.
protected  Filter[] getSelection()
          Return the current selection set as an array.
protected  URL getURL(String spec)
          Get a url for the given resource specification.
protected  void hintsAction()
          The action to take when "Hints" menu pressed.
protected  void insertFilters(Filter[] filters, Point point, SubFilterList list)
          Adds a set of filters to the main panel or a sublist.
protected  void instructionsAction()
          The action to take when "Instructions" menu pressed.
 boolean isSingleSelection()
          Check if there is more than one filter selected.
protected  Filter lastSelected()
          Return the last filter added to the selection set.
 void lostOwnership(Clipboard clipboard, Transferable contents)
          Notifies this object that it is no longer the owner of the contents of the clipboard.
static void main(String[] args)
          The entry point for this application.
 JButton makeFilterButton(String class_name)
          Creates a new button for the given class.
protected  void makeMenuButton(String name, String description, String text, int mnemonic, KeyStroke key, JToolBar toolbar, JMenu menu)
          Makes menu and toolbar items for commands.
protected  void makeProgram(String name, StringBuffer out, FilterBean bean)
          Makes a program like:
 void mouseClicked(MouseEvent event)
          Invoked when the mouse has been clicked on a component.
 void mouseDragged(MouseEvent event)
          Mouse drag notification.
 void mouseEntered(MouseEvent event)
          Invoked when the mouse enters a component.
 void mouseExited(MouseEvent event)
          Invoked when the mouse exits a component.
 void mouseMoved(MouseEvent event)
          Mouse move notification.
 void mousePressed(MouseEvent event)
          Invoked when a mouse button has been pressed on a component.
 void mouseReleased(MouseEvent event)
          Invoked when a mouse button has been released on a component.
protected  void moveSelection(Point translation)
          Move the current selection set as a group.
protected  void newAction()
          The action to take when "New" menu or button pressed.
 void open(String name)
          Read a workspace from file.
protected  void openAction()
          The action to take when "Open" menu or button pressed.
protected  void pasteAction()
          The action to take when "Paste" menu or button pressed.
 void relayout()
          Redo the layout.
protected  void removeSelection(Filter filter)
          Remove a filter from the current selection set.
 void save(String name)
          Save the workspace contents to file.
protected  void saveAction()
          The action to take when "Save" menu or button pressed.
protected  void saveasAction()
          The action to take when "Save As" menu or button pressed.
protected  boolean selectionContains(Filter filter)
          Check if the current selection set contains the given filter.
protected  void selectSelection(boolean select)
          Select(highlight)/deselect the current selection set.
 String serializeSelection()
          Serialize the current selection set.
protected  void setBasePoint(Point point)
          Sets the position of the mouse in the component.
 void setExpanded(Filter[] filters, boolean expanded, boolean recursive)
          Expand or collapse filters, possibly recursively.
 void setupDropTargets(Filter[] filters)
          Set up drop targets.
 void setupMouseListeners(Filter[] filters)
          Set up mouse listeners.
 void showContextMenu(MouseEvent event)
          Show a pop up context menu.
protected  void tutorialAction()
          The action to take when "Tutorial" menu pressed.
 void windowActivated(WindowEvent event)
          Invoked when the window is set to be the user's active window, which means the window (or one of its subcomponents) will receive keyboard events.
 void windowClosed(WindowEvent event)
          Invoked when a window has been closed as the result of calling dispose on the window.
 void windowClosing(WindowEvent event)
          Handles window closing event.
 void windowDeactivated(WindowEvent event)
          Invoked when a window is no longer the user's active window, which means that keyboard events will no longer be delivered to the window or its subcomponents.
 void windowDeiconified(WindowEvent event)
          Invoked when a window is changed from a minimized to a normal state.
 void windowIconified(WindowEvent event)
          Invoked when a window is changed from a normal to a minimized state.
 void windowOpened(WindowEvent event)
          Invoked the first time a window is made visible.
 
Methods inherited from class javax.swing.JFrame
addImpl, createRootPane, frameInit, getAccessibleContext, getContentPane, getDefaultCloseOperation, getGlassPane, getJMenuBar, getLayeredPane, getRootPane, isDefaultLookAndFeelDecorated, isRootPaneCheckingEnabled, paramString, processWindowEvent, remove, setContentPane, setDefaultCloseOperation, setDefaultLookAndFeelDecorated, setGlassPane, setIconImage, setJMenuBar, setLayeredPane, setLayout, setRootPane, setRootPaneCheckingEnabled, update
 
Methods inherited from class java.awt.Frame
addNotify, finalize, getCursorType, getExtendedState, getFrames, getIconImage, getMaximizedBounds, getMenuBar, getState, getTitle, isResizable, isUndecorated, remove, removeNotify, setCursor, setExtendedState, setMaximizedBounds, setMenuBar, setResizable, setState, setTitle, setUndecorated
 
Methods inherited from class java.awt.Window
addPropertyChangeListener, addPropertyChangeListener, addWindowFocusListener, addWindowListener, addWindowStateListener, applyResourceBundle, applyResourceBundle, createBufferStrategy, createBufferStrategy, dispose, getBufferStrategy, getFocusableWindowState, getFocusCycleRootAncestor, getFocusOwner, getFocusTraversalKeys, getGraphicsConfiguration, getInputContext, getListeners, getLocale, getMostRecentFocusOwner, getOwnedWindows, getOwner, getToolkit, getWarningString, getWindowFocusListeners, getWindowListeners, getWindowStateListeners, hide, isActive, isAlwaysOnTop, isFocusableWindow, isFocusCycleRoot, isFocused, isLocationByPlatform, isShowing, pack, postEvent, processEvent, processWindowFocusEvent, processWindowStateEvent, removeWindowFocusListener, removeWindowListener, removeWindowStateListener, setAlwaysOnTop, setBounds, setCursor, setFocusableWindowState, setFocusCycleRoot, setLocationByPlatform, setLocationRelativeTo, show, toBack, toFront
 
Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalPolicy, getInsets, getLayout, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, processContainerEvent, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, transferFocusBackward, transferFocusDownCycle, validate, validateTree
 
Methods inherited from class java.awt.Component
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setComponentOrientation, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, size, toString, transferFocus, transferFocusUpCycle
 
Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface java.awt.MenuContainer
getFont, postEvent
 

Field Detail

mBasePoint

protected Point mBasePoint
The relative position of the mouse while dragging.

mSelection

protected Vector mSelection
Selected commands.

mMoved

protected boolean mMoved
If true selection moved.

mDropTarget

protected DropTarget mDropTarget
This component is a drop target.

mDragSource

protected DragSource mDragSource
Enables this component to be a Drag Source.

mCurrentComponent

protected Component mCurrentComponent
Kludge: Used by actionPerformed/filterAction to remember the filter menu item.

mMainPanel

protected JPanel mMainPanel
The main panel GUI component.

mMainScroller

protected JScrollPane mMainScroller
The main panel scrolling GUI component.

mURLField

protected JTextField mURLField
The URL input GUI component.

mOutput

protected JDesktopPane mOutput
The output panel GUI component.

Constructor Detail

FilterBuilder

public FilterBuilder()
Create an FilterBuilder programming environment.

FilterBuilder

public FilterBuilder(String title)
Creates a new instance of an FilterBuilder environment with the given title.

Parameters:
title - the title for the new frame.
See Also:
FilterBuilder()
Method Detail

makeMenuButton

protected void makeMenuButton(String name,
                              String description,
                              String text,
                              int mnemonic,
                              KeyStroke key,
                              JToolBar toolbar,
                              JMenu menu)
Makes menu and toolbar items for commands.

Parameters:
name - The name of the command.
description - A description for the tooltip.
text - The text for the menu.
mnemonic - The navigation mnemonic.
key - Accelerator key.
toolbar - The toolbar to add the button to.
menu - The menu to add the menu item to.

getURL

protected URL getURL(String spec)
              throws MalformedURLException
Get a url for the given resource specification.

Parameters:
spec - The name of the resource.
Returns:
The fully formed URL.
Throws:
MalformedURLException - In the case that the document base or name of the resource cannot be turned into a URL.

makeFilterButton

public JButton makeFilterButton(String class_name)
Creates a new button for the given class.

Parameters:
class_name - The name of the Filter class.
Returns:
A fully functional button with name, tool tip, icon and drag recognizer.

addFilter

public void addFilter(JMenu menu,
                      JToolBar toolbar,
                      String class_name)
Add a filter to the GUI. Adds the filter specified by class_name to the menu, toolbar and starts listening for actions.

Parameters:
menu - The menu to add the filter to.
toolbar - The toolbar to add the filter to.
class_name - The class name for the filter wrapper. From the wrapper, the NodeFilter, description and icon can be obtained.

insertFilters

protected void insertFilters(Filter[] filters,
                             Point point,
                             SubFilterList list)
Adds a set of filters to the main panel or a sublist. Sets up the GUI components as drop targets and mouse listeners, and performs a relayout to display them.

Parameters:
filters - The filter wrappers to add.
point - The point at which to start adding (list == null).
list - The list to add to (point not used), or null for the main panel.

setBasePoint

protected void setBasePoint(Point point)
Sets the position of the mouse in the component.

Parameters:
point - The point where the mouse position is.

getBasePoint

protected Point getBasePoint()
Gets the current base point of the mouse pointer. This value is used to offset the drag position to maintain the mouse position at the same relative position within the card while dragging.

Returns:
The current base point of the mouse pointer.

getEnclosing

protected SubFilterList getEnclosing(Component component)
Get the enclosing sub filter list if any.

Parameters:
component - The component that's supposedly enclosed.
Returns:
The enclosing component or null otherwise.

getEnclosed

protected SubFilterList getEnclosed(Component component)
Get the enclosed sub filter list if any.

Parameters:
component - The component that's supposedly enclosing the list.
Returns:
The enclosed component or null otherwise.

makeProgram

protected void makeProgram(String name,
                           StringBuffer out,
                           FilterBean bean)
Makes a program like: 
 // Generated by FilterBuilder. http://htmlparser.org
 // [aced0005737200206f72672e68746d6c7061727365722e66696c746572732e416e6446696c74657224c30516b2b7b2120200015b000b6d5072656469636174657374001c5b4c6f72672f68746d6c7061727365722f4e6f646546696c7465723b78707572001c5b4c6f72672e68746d6c7061727365722e4e6f646546696c7465723b8f17479b1d5f7992020000787000000002737200246f72672e68746d6c7061727365722e66696c746572732e5461674e616d6546696c746572b28b2601a614890f0200014c00056d4e616d657400124c6a6176612f6c616e672f537472696e673b78707400044d455441737200296f72672e68746d6c7061727365722e66696c746572732e48617341747472696275746546696c74657296abdfb3b0714cda0200024c000a6d41747472696275746571007e00064c00066d56616c756571007e000678707400046e616d6570]
                                                                                                                                                         
 import org.htmlparser.*;
 import org.htmlparser.filters.*;
 import org.htmlparser.beans.*;
 import org.htmlparser.util.*;
                                                                                                                                                         
 public class Test
 {
     public static void main (String args[])
     {
         TagNameFilter filter0 = new TagNameFilter ();
         filter0.setName ("META");
         HasAttributeFilter filter1 = new HasAttributeFilter ();
         filter1.setAttributeName ("name");
         NodeFilter[] array0 = new NodeFilter[2];
         array0[0] = filter0;
         array0[1] = filter1;
         AndFilter filter2 = new AndFilter ();
         filter2.setPredicates (array0);
         NodeFilter[] array1 = new NodeFilter[1];
         array1[0] = filter2;
         FilterBean bean = new FilterBean ();
         bean.setFilters (array1);
         if (0 != args.length)
         {
             bean.setURL (args[0]);
             System.out.println (bean.getNodes ().toHtml ());
         }
         else
             System.out.println ("Usage: java -classpath .:htmlparser.jar Test ");
     }
 }

Parameters:
name - The name of the class.
out - The buffer to append to.
bean - The bean to extract the filters from to make the program.

classFromFile

protected String classFromFile(String file)
Extracts a java class name from a file name. ToDo: make this package-smart somehow.

Parameters:
file - The name of the file.
Returns:
The name of the class.

save

public void save(String name)
Save the workspace contents to file.

Parameters:
name - The name of the file to save it under.

newAction

protected void newAction()
The action to take when "New" menu or button pressed.

openAction

protected void openAction()
The action to take when "Open" menu or button pressed.

saveAction

protected void saveAction()
The action to take when "Save" menu or button pressed.

saveasAction

protected void saveasAction()
The action to take when "Save As" menu or button pressed.

exitAction

protected void exitAction()
The action to take when "Exit" menu or button pressed.

cutAction

protected void cutAction()
The action to take when "Cut" menu or button pressed.

copyAction

protected void copyAction()
The action to take when "Copy" menu or button pressed.

pasteAction

protected void pasteAction()
The action to take when "Paste" menu or button pressed.

deleteAction

protected void deleteAction()
The action to take when "Delete" menu or button pressed.

filterAction

protected void filterAction()
The action to take when a filter menu or button pressed.

fetchAction

protected void fetchAction()
The action to take when "Fetch" menu pressed.

executeAction

protected void executeAction()
The action to take when "Execute" menu or button pressed.

instructionsAction

protected void instructionsAction()
The action to take when "Instructions" menu pressed.

filteringAction

protected void filteringAction()
The action to take when "Filtering" menu pressed.

tutorialAction

protected void tutorialAction()
The action to take when "Tutorial" menu pressed.

hintsAction

protected void hintsAction()
The action to take when "Hints" menu pressed.

aboutAction

protected void aboutAction()
The action to take when "About" menu or button pressed.

expandAction

public void expandAction()
The action to take when "Expand" menu chosen.

collapseAction

public void collapseAction()
The action to take when "Collapse" menu chosen.

expandAllAction

public void expandAllAction()
The action to take when "Expand All" menu chosen.

collapseAllAction

public void collapseAllAction()
The action to take when "Collapse" menu chosen.

setupMouseListeners

public void setupMouseListeners(Filter[] filters)
Set up mouse listeners. Sets this up to listen to each command in the list as a MouseListener. Recursively descends the tree adding to all contained elements also.

Parameters:
filters - The container with commands in it.

setupDropTargets

public void setupDropTargets(Filter[] filters)
Set up drop targets. Recursively descends the filter tree and sets up the filter lists as drop targets.

Parameters:
filters - The container with filters in it.

setExpanded

public void setExpanded(Filter[] filters,
                        boolean expanded,
                        boolean recursive)
Expand or collapse filters, possibly recursively.

Parameters:
filters - The list of filters to expand or collapse.
expanded - If true the filters are expanded, otherwise they are collapsed.
recursive - If true the filters are processed recursively.

getFilters

public Filter[] getFilters()
Retrieve the top level filters in the main window.

Returns:
The top level filters.

relayout

public void relayout()
Redo the layout.

open

public void open(String name)
Read a workspace from file. The current contents are erased.

Parameters:
name - The name of the file to open.

showContextMenu

public void showContextMenu(MouseEvent event)
Show a pop up context menu. Shows a context sensitive popup menu at the location of the mouse event.

Parameters:
event - The mouse event that initiates the popup.

addSelection

protected void addSelection(Filter filter)
Add a filter to the current selection set.

Parameters:
filter - The filter to add.

removeSelection

protected void removeSelection(Filter filter)
Remove a filter from the current selection set.

Parameters:
filter - The filter to remove.

selectSelection

protected void selectSelection(boolean select)
Select(highlight)/deselect the current selection set.

Parameters:
select - If true turn on highlighting, turn it off otherwise.

clearSelection

protected void clearSelection()
Clear (empty) the current selection set.

moveSelection

protected void moveSelection(Point translation)
Move the current selection set as a group.

Parameters:
translation - The displacement to move them all by.

selectionContains

protected boolean selectionContains(Filter filter)
Check if the current selection set contains the given filter.

Parameters:
filter - The filter to check.
Returns:
true if the filter is a member, false otherwise.

lastSelected

protected Filter lastSelected()
Return the last filter added to the selection set.

Returns:
The last filter added or null if the current selection set is empty.

getSelection

protected Filter[] getSelection()
Return the current selection set as an array.

Returns:
The array of selected filters.

serializeSelection

public String serializeSelection()
Serialize the current selection set.

Returns:
The serialized form of the set of filters.

deleteSelection

public void deleteSelection()
Delete the current selection set from the filters in the GUI.

isSingleSelection

public boolean isSingleSelection()
Check if there is more than one filter selected.

Returns:
true if only one filter is selected, false otherwise.

mouseClicked

public void mouseClicked(MouseEvent event)
Invoked when the mouse has been clicked on a component.

Specified by:
mouseClicked in interface MouseListener
Parameters:
event - The mouse clicked event.

mouseReleased

public void mouseReleased(MouseEvent event)
Invoked when a mouse button has been released on a component.

Specified by:
mouseReleased in interface MouseListener
Parameters:
event - The mouse released event.

mouseEntered

public void mouseEntered(MouseEvent event)
Invoked when the mouse enters a component.

Specified by:
mouseEntered in interface MouseListener
Parameters:
event - The mouse entered event.

mouseExited

public void mouseExited(MouseEvent event)
Invoked when the mouse exits a component.

Specified by:
mouseExited in interface MouseListener
Parameters:
event - The mouse exited event.

mousePressed

public void mousePressed(MouseEvent event)
Invoked when a mouse button has been pressed on a component.

Specified by:
mousePressed in interface MouseListener
Parameters:
event - The mouse pressed event.

mouseDragged

public void mouseDragged(MouseEvent event)
Mouse drag notification. Invoked when a mouse button is pressed on a component and then dragged. Mouse drag events will continue to be delivered to the component where the first originated until the mouse button is released (regardless of whether the mouse position is within the bounds of the component).

Specified by:
mouseDragged in interface MouseMotionListener
Parameters:
event - The mouse drag event.

mouseMoved

public void mouseMoved(MouseEvent event)
Mouse move notification. Invoked when the mouse button has been moved on a component (with no buttons no down).

Specified by:
mouseMoved in interface MouseMotionListener
Parameters:
event - The mouse moved event.

windowOpened

public void windowOpened(WindowEvent event)
Invoked the first time a window is made visible. Not used.

Specified by:
windowOpened in interface WindowListener
Parameters:
event - The window event.

windowClosing

public void windowClosing(WindowEvent event)
Handles window closing event. Performs function exitApplication().

Specified by:
windowClosing in interface WindowListener
Parameters:
event - The window event.

windowClosed

public void windowClosed(WindowEvent event)
Invoked when a window has been closed as the result of calling dispose on the window. Not used.

Specified by:
windowClosed in interface WindowListener
Parameters:
event - The window event.

windowIconified

public void windowIconified(WindowEvent event)
Invoked when a window is changed from a normal to a minimized state. For many platforms, a minimized window is displayed as the icon specified in the window's iconImage property. Not used.

Specified by:
windowIconified in interface WindowListener
Parameters:
event - The window event.

windowDeiconified

public void windowDeiconified(WindowEvent event)
Invoked when a window is changed from a minimized to a normal state. Not used.

Specified by:
windowDeiconified in interface WindowListener
Parameters:
event - The window event.

windowActivated

public void windowActivated(WindowEvent event)
Invoked when the window is set to be the user's active window, which means the window (or one of its subcomponents) will receive keyboard events. Not used.

Specified by:
windowActivated in interface WindowListener
Parameters:
event - The window event.

windowDeactivated

public void windowDeactivated(WindowEvent event)
Invoked when a window is no longer the user's active window, which means that keyboard events will no longer be delivered to the window or its subcomponents. Not used.

Specified by:
windowDeactivated in interface WindowListener
Parameters:
event - The window event.

actionPerformed

public void actionPerformed(ActionEvent event)
Handles menu and toolbar item choices.

Specified by:
actionPerformed in interface ActionListener
Parameters:
event - The action even that triggers this function.

lostOwnership

public void lostOwnership(Clipboard clipboard,
                          Transferable contents)
Notifies this object that it is no longer the owner of the contents of the clipboard.

Specified by:
lostOwnership in interface ClipboardOwner
Parameters:
clipboard - The clipboard that is no longer owned.
contents - The contents which this owner had placed on the clipboard.

dragGestureRecognized

public void dragGestureRecognized(DragGestureEvent event)
A DragGestureRecognizer has detected a platform-dependent drag initiating gesture. It is notifying this listener in order for it to initiate the action for the user.

Specified by:
dragGestureRecognized in interface DragGestureListener
Parameters:
event - The DragGestureEvent describing the gesture that has just occurred.

dragDropEnd

public void dragDropEnd(DragSourceDropEvent event)
This message goes to DragSourceListener, informing it that the dragging has ended.

Specified by:
dragDropEnd in interface DragSourceListener
Parameters:
event - Details about the drop event.

dragEnter

public void dragEnter(DragSourceDragEvent event)
This message goes to DragSourceListener, informing it that the dragging has entered the DropSite.

Specified by:
dragEnter in interface DragSourceListener
Parameters:
event - Details about the drag event.

dragExit

public void dragExit(DragSourceEvent event)
This message goes to DragSourceListener, informing it that the dragging has exited the DropSite.

Specified by:
dragExit in interface DragSourceListener
Parameters:
event - Details about the drag event.

dragOver

public void dragOver(DragSourceDragEvent event)
This message goes to DragSourceListener, informing it that the dragging is currently ocurring over the DropSite.

Specified by:
dragOver in interface DragSourceListener
Parameters:
event - Details about the drag event.

dropActionChanged

public void dropActionChanged(DragSourceDragEvent event)
This is invoked when the user changes the dropAction.

Specified by:
dropActionChanged in interface DragSourceListener
Parameters:
event - Details about the drop action event.

dragEnter

public void dragEnter(DropTargetDragEvent event)
This is invoked when you are dragging over the DropSite.

Specified by:
dragEnter in interface DropTargetListener
Parameters:
event - Details about the drag event.

dragExit

public void dragExit(DropTargetEvent event)
Thi ss invoked when you are exit the DropSite without dropping.

Specified by:
dragExit in interface DropTargetListener
Parameters:
event - Details about the drag event.

dragOver

public void dragOver(DropTargetDragEvent event)
This is invoked when a drag operation is going on.

Specified by:
dragOver in interface DropTargetListener
Parameters:
event - Details about the drag event.

drop

public void drop(DropTargetDropEvent event)
This is invoked when a drop has occurred.

Specified by:
drop in interface DropTargetListener
Parameters:
event - The drop event.

dropActionChanged

public void dropActionChanged(DropTargetDragEvent event)
This is invoked if the user modifies the current drop gesture.

Specified by:
dropActionChanged in interface DropTargetListener
Parameters:
event - Details about the drop action change event.

main

public static void main(String[] args)
The entry point for this application. Creates a new FilterBuilder and makes it visible.

Parameters:
args - [0] optional URL to operate on.
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© 2005 Derrick Oswald
Jun 10, 2006
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HTML Parser is an open source library released under LGPL. SourceForge.net