aboutAction
protected void aboutAction()
The action to take when "About" menu or button pressed.
actionPerformed
public void actionPerformed(ActionEvent event)
Handles menu and toolbar item choices.
event
- The action even that triggers this function.
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.
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.
addSelection
protected void addSelection(Filter filter)
Add a filter to the current selection set.
filter
- The filter to add.
classFromFile
protected String classFromFile(String file)
Extracts a java class name from a file name.
ToDo: make this package-smart somehow.
file
- The name of the file.
clearSelection
protected void clearSelection()
Clear (empty) the current selection set.
collapseAction
public void collapseAction()
The action to take when "Collapse" menu chosen.
collapseAllAction
public void collapseAllAction()
The action to take when "Collapse" menu chosen.
copyAction
protected void copyAction()
The action to take when "Copy" menu or button pressed.
cutAction
protected void cutAction()
The action to take when "Cut" menu or button pressed.
deleteAction
protected void deleteAction()
The action to take when "Delete" menu or button pressed.
deleteSelection
public void deleteSelection()
Delete the current selection set from the filters in the GUI.
dragDropEnd
public void dragDropEnd(DragSourceDropEvent event)
This message goes to DragSourceListener,
informing it that the dragging has ended.
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.
event
- Details about the drag event.
dragEnter
public void dragEnter(DropTargetDragEvent event)
This is invoked when you are dragging over the DropSite.
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.
event
- Details about the drag event.
dragExit
public void dragExit(DropTargetEvent event)
Thi ss invoked when you are exit the DropSite without dropping.
event
- Details about the drag event.
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.
event
- The DragGestureEvent describing the gesture that has just occurred.
dragOver
public void dragOver(DragSourceDragEvent event)
This message goes to DragSourceListener, informing it that the dragging is currently
ocurring over the DropSite.
event
- Details about the drag event.
dragOver
public void dragOver(DropTargetDragEvent event)
This is invoked when a drag operation is going on.
event
- Details about the drag event.
drop
public void drop(DropTargetDropEvent event)
This is invoked when a drop has occurred.
dropActionChanged
public void dropActionChanged(DragSourceDragEvent event)
This is invoked when the user changes the dropAction.
event
- Details about the drop action event.
dropActionChanged
public void dropActionChanged(DropTargetDragEvent event)
This is invoked if the user modifies the current drop gesture.
event
- Details about the drop action change event.
executeAction
protected void executeAction()
The action to take when "Execute" menu or button pressed.
exitAction
protected void exitAction()
The action to take when "Exit" menu or button pressed.
expandAction
public void expandAction()
The action to take when "Expand" menu chosen.
expandAllAction
public void expandAllAction()
The action to take when "Expand All" menu chosen.
fetchAction
protected void fetchAction()
The action to take when "Fetch" menu pressed.
filterAction
protected void filterAction()
The action to take when a filter menu or button pressed.
filteringAction
protected void filteringAction()
The action to take when "Filtering" menu pressed.
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.
- The current base point of the mouse pointer.
getEnclosed
protected SubFilterList getEnclosed(Component component)
Get the enclosed sub filter list if any.
component
- The component that's supposedly enclosing the list.
- The enclosed component or
null
otherwise.
getEnclosing
protected SubFilterList getEnclosing(Component component)
Get the enclosing sub filter list if any.
component
- The component that's supposedly enclosed.
- The enclosing component or
null
otherwise.
getFilters
public Filter[] getFilters()
Retrieve the top level filters in the main window.
getSelection
protected Filter[] getSelection()
Return the current selection set as an array.
- The array of selected filters.
getURL
protected URL getURL(String spec)
throws MalformedURLException
Get a url for the given resource specification.
spec
- The name of the resource.
hintsAction
protected void hintsAction()
The action to take when "Hints" menu pressed.
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.
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.
instructionsAction
protected void instructionsAction()
The action to take when "Instructions" menu pressed.
isSingleSelection
public boolean isSingleSelection()
Check if there is more than one filter selected.
true
if only one filter is selected,
false
otherwise.
lastSelected
protected Filter lastSelected()
Return the last filter added to the selection set.
- The last filter added or
null
if the current
selection set is empty.
lostOwnership
public void lostOwnership(Clipboard clipboard,
Transferable contents)
Notifies this object that it is no longer the owner
of the contents of the clipboard.
clipboard
- The clipboard that is no longer owned.contents
- The contents which this owner had placed on the clipboard.
main
public static void main(args[] )
The entry point for this application.
Creates a new FilterBuilder and makes it visible.
makeFilterButton
public JButton makeFilterButton(String class_name)
Creates a new button for the given class.
class_name
- The name of the Filter class.
- A fully functional button with name, tool tip,
icon and drag recognizer.
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.
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.
makeProgram
protected void makeProgram(String name,
StringBuffer out,
FilterBean bean)
Makes a program like:
// Generated by FilterBuilder. http://htmlparser.org
// [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]
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 ");
}
}
name
- The name of the class.out
- The buffer to append to.bean
- The bean to extract the filters from to make the program.
mouseClicked
public void mouseClicked(MouseEvent event)
Invoked when the mouse has been clicked on a component.
event
- The mouse clicked 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).
event
- The mouse drag event.
mouseEntered
public void mouseEntered(MouseEvent event)
Invoked when the mouse enters a component.
event
- The mouse entered event.
mouseExited
public void mouseExited(MouseEvent event)
Invoked when the mouse exits a component.
event
- The mouse exited 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).
event
- The mouse moved event.
mousePressed
public void mousePressed(MouseEvent event)
Invoked when a mouse button has been pressed on a component.
event
- The mouse pressed event.
mouseReleased
public void mouseReleased(MouseEvent event)
Invoked when a mouse button has been released on a component.
event
- The mouse released event.
moveSelection
protected void moveSelection(Point translation)
Move the current selection set as a group.
translation
- The displacement to move them all by.
newAction
protected void newAction()
The action to take when "New" menu or button pressed.
open
public void open(String name)
Read a workspace from file.
The current contents are erased.
name
- The name of the file to open.
openAction
protected void openAction()
The action to take when "Open" menu or button pressed.
pasteAction
protected void pasteAction()
The action to take when "Paste" menu or button pressed.
relayout
public void relayout()
Redo the layout.
removeSelection
protected void removeSelection(Filter filter)
Remove a filter from the current selection set.
filter
- The filter to remove.
save
public void save(String name)
Save the workspace contents to file.
name
- The name of the file to save it under.
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.
selectSelection
protected void selectSelection(boolean select)
Select(highlight)/deselect the current selection set.
select
- If true
turn on highlighting,
turn it off otherwise.
selectionContains
protected boolean selectionContains(Filter filter)
Check if the current selection set contains the given filter.
filter
- The filter to check.
true
if the filter is a member,
false
otherwise.
serializeSelection
public String serializeSelection()
Serialize the current selection set.
- The serialized form of the set of filters.
setBasePoint
protected void setBasePoint(Point point)
Sets the position of the mouse in the component.
point
- The point where the mouse position is.
setExpanded
public void setExpanded(Filter[] filters,
boolean expanded,
boolean recursive)
Expand or collapse filters, possibly recursively.
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.
setupDropTargets
public void setupDropTargets(Filter[] filters)
Set up drop targets.
Recursively descends the filter tree and sets up
the filter lists as drop targets.
filters
- The container with filters in it.
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.
filters
- The container with commands in it.
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.
event
- The mouse event that initiates the popup.
tutorialAction
protected void tutorialAction()
The action to take when "Tutorial" menu pressed.
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.
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.
event
- The window event.
windowClosing
public void windowClosing(WindowEvent event)
Handles window closing event.
Performs function exitApplication()
.
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.
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.
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.
event
- The window event.
windowOpened
public void windowOpened(WindowEvent event)
Invoked the first time a window is made visible.
Not used.
event
- The window event.