org.htmlparser.lexerapplications.thumbelina
Class ThumbelinaFrame
JFrame
org.htmlparser.lexerapplications.thumbelina.ThumbelinaFrame
- ActionListener, ItemListener, PropertyChangeListener, WindowListener
public class ThumbelinaFrame
extends JFrame
implements WindowListener, ActionListener, ItemListener, PropertyChangeListener
Encapsulate a Thumbelina bean and add menu and preferences support.
Provides a JFrame base in which to place a Thumbelina bean, and
adds a menu system with MRU (Most Recently Used) list.
Also provides a Google search capability.
Will eventually provide Javahelp too.
protected JMenuItem | mAbout - About menu item.
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protected JMenuItem | mClear - Clear menu item
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protected JMenu | mCommand - Vommand menu.
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protected JMenuItem | mExit - Exit menu item.
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protected JMenuItem | mGoogle - Google menu item.
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protected JMenu | mHelp - Help submenu.
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protected JCheckBoxMenuItem | mHistoryVisible - History list visible menu item.
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protected JMenuBar | mMenu - Main menu.
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protected JMenuItem | mOpen - Open menu item.
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protected JMenuItem | mReset - Reset menu item.
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protected JSeparator | mSeparator1 - MRU list separator #1.
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protected JSeparator | mSeparator2 - MRU list separator #2.
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protected JCheckBoxMenuItem | mStatusVisible - Status bar visible menu item.
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protected JMenu | mURL - URL submenu.
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protected JMenu | mView - View submenu.
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ThumbelinaFrame() - Construct a new Thumbelina frame with an idle Thumbelina.
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ThumbelinaFrame(String url) - Construct a new Thumbelina frame with a Thumbelina primed with one URL.
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ThumbelinaFrame(URL url) - Construct a new Thumbelina frame with a Thumbelina primed with one URL.
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ThumbelinaFrame(Thumbelina thumbelina) - Construct a new Thumbelina frame with a given Thumbelina.
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void | about() - Display information about Thumbelina.
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void | actionPerformed(ActionEvent actionEvent) - Handles events from the menu.
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void | exit() - Exits the application.
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protected Rectangle | fromString(String value) - Convert the given string to a valid rectangle.
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Thumbelina | getThumbelina() - Access the Thumbelina object contained in the frame.
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void | googlesearch() - Query google via user specified keywords and queue results.
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void | initSize() - Sets the frame size if no previous preference has been stored.
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void | initState() - Initialize the user preferences.
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void | itemStateChanged(ItemEvent event) - Handles selections on the view state checkboxes.
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static void | main(String[] args) - Alternate mainline for Thumbelina.
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void | makeMenu() - Create the menu.
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void | open() - Opens a user specified URL.
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void | propertyChange(PropertyChangeEvent event) - Handle a property change.
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void | restoreSize() - Restores the window size based on stored preferences.
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void | saveState() - Saves the current settings in the user preferences.
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protected String | toString(Rectangle r) - Converts the rectangle to a string.
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void | updateMRU(String url) - Updates the user preferences based on the most recently used list.
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void | updateMenu() - Adjusts the menu, by inserting the current MRU list.
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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.
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void | windowClosed(WindowEvent event) - Invoked when a window has been closed as the result
of calling dispose on the window.
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void | windowClosing(WindowEvent event) - Handles window closing event.
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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.
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void | windowDeiconified(WindowEvent event) - Invoked when a window is changed from a minimized
to a normal state.
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void | windowIconified(WindowEvent event) - Invoked when a window is changed from a normal to a
minimized state.
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void | windowOpened(WindowEvent event) - Invoked the first time a window is made visible.
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mAbout
protected JMenuItem mAbout
About menu item.
mClear
protected JMenuItem mClear
Clear menu item
mCommand
protected JMenu mCommand
Vommand menu.
mExit
protected JMenuItem mExit
Exit menu item.
mGoogle
protected JMenuItem mGoogle
Google menu item.
mHelp
protected JMenu mHelp
Help submenu.
mHistoryVisible
protected JCheckBoxMenuItem mHistoryVisible
History list visible menu item.
mMenu
protected JMenuBar mMenu
Main menu.
mOpen
protected JMenuItem mOpen
Open menu item.
mReset
protected JMenuItem mReset
Reset menu item.
mSeparator1
protected JSeparator mSeparator1
MRU list separator #1.
mSeparator2
protected JSeparator mSeparator2
MRU list separator #2.
mStatusVisible
protected JCheckBoxMenuItem mStatusVisible
Status bar visible menu item.
mURL
protected JMenu mURL
URL submenu.
mView
protected JMenu mView
View submenu.
ThumbelinaFrame
public ThumbelinaFrame()
Construct a new Thumbelina frame with an idle Thumbelina.
ThumbelinaFrame
public ThumbelinaFrame(String url)
throws MalformedURLException
Construct a new Thumbelina frame with a Thumbelina primed with one URL.
url
- The URL to prime the Thumbelina with.
ThumbelinaFrame
public ThumbelinaFrame(URL url)
Construct a new Thumbelina frame with a Thumbelina primed with one URL.
url
- The URL to prime the Thumbelina with.
ThumbelinaFrame
public ThumbelinaFrame(Thumbelina thumbelina)
Construct a new Thumbelina frame with a given Thumbelina.
thumbelina
- The Thumbelina to encapsulate.
about
public void about()
Display information about Thumbelina.
actionPerformed
public void actionPerformed(ActionEvent actionEvent)
Handles events from the menu.
Based on the action of the event, executes the necessary subroutine.
actionEvent
- The event describing the user action.
exit
public void exit()
Exits the application.
Saves user preferences before exiting.
fromString
protected Rectangle fromString(String value)
throws IllegalArgumentException
Convert the given string to a valid rectangle.
The string is converted to a Rectangle.
value
- The value to parse.
- Returns the rectangle extracted from the string.
getThumbelina
public Thumbelina getThumbelina()
Access the Thumbelina object contained in the frame.
googlesearch
public void googlesearch()
Query google via user specified keywords and queue results.
Asks the user for keywords, and then submits them as input to the
usual google form:
Creates a query of the form:
http://www.google.ca/search?hl=en&ie=UTF-8&oe=UTF-8&q=thumbs&btnG=Google+Search&meta=
initSize
public void initSize()
Sets the frame size if no previous preference has been stored.
It creates a window covering all but BORDERPERCENT
margins.
initState
public void initState()
Initialize the user preferences.
Reads from the existing user preferences,
or initializes values from the bean directly if they don't exist.
Sets the state of the view checkboxes to match.
itemStateChanged
public void itemStateChanged(ItemEvent event)
Handles selections on the view state checkboxes.
event
- The event describing the checkbox affected.
main
public static void main(String[] args)
Alternate mainline for Thumbelina.
Similar code exists in the Thumbelina class, but this version doesn't
worry about java version.
args
- The command line arguments.
Optionally, arg[0] can be the URL to preload the Thumeblina bean with.
makeMenu
public void makeMenu()
Create the menu.
Initializes the menu and adds it to the frame.
open
public void open()
Opens a user specified URL.
propertyChange
public void propertyChange(PropertyChangeEvent event)
Handle a property change.
event
- The property old and new values.
restoreSize
public void restoreSize()
Restores the window size based on stored preferences.
If no preferences exist, it calls initSize()
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saveState
public void saveState()
Saves the current settings in the user preferences.
By default this writes to the thumbelina subdirectory under
.java in the users home directory.
toString
protected String toString(Rectangle r)
Converts the rectangle to a string.
The rectangle is converted into a string that is of the form
[x,y,width,height].
r
- The rectangle containing the window position and size,
as returned by getBounds()
.
- The string equivalent of the rectangle.
updateMRU
public void updateMRU(String url)
Updates the user preferences based on the most recently used list.
url
- The URL that is to be placed at the top of the MRU list.
updateMenu
public void updateMenu()
Adjusts the menu, by inserting the current MRU list.
Removes the old MRU (Most Recently Used) items and inserts new
ones betweeen the two separators.
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()
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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.
| © 2005 Derrick Oswald Mai 08, 2008 |
HTML Parser is an open source library released under LGPL. |  |