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java Programming Glossary: eventWhy JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times public void preRender ComponentSystemEvent event Or in some SystemEvent method e.g. f event type preRenderView.. event Or in some SystemEvent method e.g. f event type preRenderView . someProperty loadSomeProperty public void.. loadSomeProperty public void change ValueChangeEvent event Or in some FacesEvent method e.g. h inputXxx valueChangeListener..
Populating child dropdownlists in JSP/Servlet http://stackoverflow.com/questions/2263996/populating-child-dropdownlists-in-jsp-servlet achieve this Submit form to a servlet during the onchange event of the 1st dropdown you can use Javascript for this let the.. the selected item of the 1st dropdown during the onchange event of the 1st dropdown. No form submit and no server cycle is needed.. an asynchronous request to a servlet during the onchange event of the 1st dropdown let the servlet get the selected item of..
Socket using in a swing applet http://stackoverflow.com/questions/3244400/socket-using-in-a-swing-applet synchronization The GUI itself is constructed on the event dispatch thread using invokeLater . In addition the code relies.. updates. package net import java.awt. import java.awt.event. import java.io. import java.net. import java.util.Scanner import..
How are Anonymous (inner) classes used in Java? http://stackoverflow.com/questions/355167/how-are-anonymous-inner-classes-used-in-java a class. I tend to use it as a shortcut for attaching an event listener button.addActionListener new ActionListener public..
Swing: link toggle buttons together with a button group, along with corresponding menu items http://stackoverflow.com/questions/4038605/swing-link-toggle-buttons-together-with-a-button-group-along-with-correspondin Doing it without ButtonGroup would mean in each of the 6 event listeners I would have to manually deselect the other buttons.. import java.awt.EventQueue import java.awt.event.ActionEvent import java.io.File import javax.swing.AbstractAction..
Differences between HashMap and Hashtable? http://stackoverflow.com/questions/40471/differences-between-hashmap-and-hashtable One of HashMap's subclasses is LinkedHashMap so in the event that you'd want predictable iteration order which is insertion..
Why are only final variables accessible in anonymous class? http://stackoverflow.com/questions/4732544/why-are-only-final-variables-accessible-in-anonymous-class new ClickHandler @Override public void onClick ClickEvent event int b a 5 How can I return the 5 a when it clicked I mean.. new ClickHandler @Override public void onClick ClickEvent event int b a 5 return b but return type is void java event handling.. event int b a 5 return b but return type is void java event handling anonymous class share improve this question It's..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser of the XML you have to parse and then just add an event listener to the appropriate elements. The disadvantage is that.. or declare you XML structure but just listening for events. The most widely used ones are following events Document Start.. for events. The most widely used ones are following events Document Start Document End Element Start Element End Characters..
Implementing back/forward buttons in Swing http://stackoverflow.com/questions/5654926/implementing-back-forward-buttons-in-swing ActionListener public void actionPerformed ActionEvent event if event.getSource back previous_display System.out.print.. public void actionPerformed ActionEvent event if event.getSource back previous_display System.out.print You selected.. System.out.print You selected back else if event.getSource forward forward_display System.out.print You selected..
Remove Top-Level Container on Runtime http://stackoverflow.com/questions/6309407/remove-top-level-container-on-runtime one of Swing NightMares import java.awt. import java.awt.event.WindowEvent import java.util.logging.Level import java.util.logging.Logger.. peer but it can't do so until after the WINDOW_CLOSING event is processed on the EventQueue . Even then gc is a suggestion... import java.awt.EventQueue import java.awt.event.WindowEvent import javax.swing.JDialog @see http stackoverflow.com..
Can't get ArrayIndexOutOfBoundsException from Future<?> and SwingWorker if thread starts Executor http://stackoverflow.com/questions/7053865/cant-get-arrayindexoutofboundsexception-from-future-and-swingworker-if-threa DoPostEvent.run Timer.java 201 at java.awt.event.InvocationEvent.dispatch InvocationEvent.java 209 at java.awt.EventQueue.dispatchEvent.. from code import java.awt.BorderLayout import java.awt.event.ActionEvent import java.beans.PropertyChangeEvent import java.beans.PropertyChangeListener.. @Override public void propertyChange PropertyChangeEvent event if state .equals event.getPropertyName SwingWorker.StateValue.DONE..
How to handle events from keyboard and mouse in full screen exclusive mode in java? http://stackoverflow.com/questions/7456227/how-to-handle-events-from-keyboard-and-mouse-in-full-screen-exclusive-mode-in-ja to handle events from keyboard and mouse in full screen exclusive mode in java.. use KeyListener and ActionListener interfaces to handle events from user. What is the correct way of event handling in full.. to handle events from user. What is the correct way of event handling in full screen mode Please extend this skeletoon providing..
How to programmatically close a JFrame http://stackoverflow.com/questions/1234912/how-to-programmatically-close-a-jframe camickr's link. Basically I need to throw a WindowEvent.WINDOW_CLOSING at the application's event queue. Here's a synopsis.. example P setVisible true public void pullThePlug WindowEvent wev new WindowEvent this WindowEvent.WINDOW_CLOSING Toolkit.getDefaultToolkit.. true public void pullThePlug WindowEvent wev new WindowEvent this WindowEvent.WINDOW_CLOSING Toolkit.getDefaultToolkit .getSystemEventQueue..
http://stackoverflow.com/questions/13094666/jprogressbar-wont-update a little look I'm not much familiar with JFrames and ActionEvents Download.java package main public class Download extends JFrame.. ActionListener @Override public void actionPerformed ActionEvent e done int DownloadCountingOutputStream e.getSource .getByteCount.. package main import java.awt.event.ActionEvent import java.awt.event.ActionListener import java.io.IOException..
http://stackoverflow.com/questions/13999506/threads-with-key-bindings works but I'm wondering if any of this code is not on the Event Dispatching Thread EDT and if I need to use SwingUtilities.invokeLater.. new HashSet Integer public void keyPressed KeyEvent e keysDown.add e.getKeyCode public void keyReleased KeyEvent.. e keysDown.add e.getKeyCode public void keyReleased KeyEvent e keysDown.remove e.getKeyCode public void updatePaddlePositions..
How to add JPanel by clicking JButton? http://stackoverflow.com/questions/14011397/how-to-add-jpanel-by-clicking-jbutton import java.awt.Dimension import java.awt.event.ActionEvent import java.awt.event.ActionListener import javax.swing.JButton.. @Override public void actionPerformed ActionEvent e someObj1.setI 1 System.out.println The variable i is now.. @Override public void actionPerformed ActionEvent e someObj2.setI 2 System.out.println The variable i is now..
using sleep() for a single thread http://stackoverflow.com/questions/14074329/using-sleep-for-a-single-thread the initial thread . Now if you simply call sleep while on Event Dispatch Thread or for that matter on the same Thread it will.. sleep .. returns . You should not use Thread.sleep .. on Event Dispatch Thread or any Thread where sleep will cuase unwanted.. AbstractAction @Override public void actionPerformed ActionEvent ae action that you want performed timer.setRepeats false the..
How to avoid using scriptlets in my JSP page? http://stackoverflow.com/questions/2188706/how-to-avoid-using-scriptlets-in-my-jsp-page sitemesh decorator prefix decorator html head title My Events decorator title title link href request.getContextPath assets.. href ' request.getContextPath events Listing.action' Events a a request.getRequestURI .contains people class 'selected'.. .contains events a href Listing.action List of Events a a href New.action New Event a if request.getRequestURI .contains..
How to fill data in a JTable with database? http://stackoverflow.com/questions/2192764/how-to-fill-data-in-a-jtable-with-database SwingWorker 's publish method to publish Row s back to the Event Dispatch thread e.g. every 100 rows . When the SwingWorker 's.. read add them to your List Row and fire appropriate TableEvent s to cause the display to update. Also use the ResultSetMetaData..
File Upload with Java (with progress bar) http://stackoverflow.com/questions/254719/file-upload-with-java-with-progress-bar
How to replace the AWT EventQueue with own implementation http://stackoverflow.com/questions/3158254/how-to-replace-the-awt-eventqueue-with-own-implementation to replace the AWT EventQueue with own implementation In order to debug strange behavior.. in a Swing application I'd like to replace the AWT EventQueue with my own implementation. Is this possible How Just in.. implementation will be a simple wrapper around the normal Eventqueue doing some logging. the problem I'd like to debug is a..
Java, how to draw constantly changing graphics http://stackoverflow.com/questions/3742731/java-how-to-draw-constantly-changing-graphics new WindowAdapter public void windowClosing WindowEvent we t.done dispose try robot new Robot catch AWTException.. so all updates to the model and view happen on the Event Dispatch Thread The ticker runs constantly. When it detects.. java.awt.event.WindowAdapter import java.awt.event.WindowEvent import java.awt.geom.Ellipse2D import java.awt.image.BufferedImage..
Is it safe to construct Swing/AWT widgets NOT on the Event Dispatch Thread? http://stackoverflow.com/questions/491323/is-it-safe-to-construct-swing-awt-widgets-not-on-the-event-dispatch-thread it safe to construct Swing AWT widgets NOT on the Event Dispatch Thread I've been integrating the Substance look and.. and ran into several problems regarding it's internal EDT Event Dispatch Thread checking routines. Substance absolutely refuses.. ... Is it safe to construct Swing AWT widgets NOT on the Event Dispatch Thread java multithreading gui swing awt share improve..
JPA/Hibernate store date in UTC time zone http://stackoverflow.com/questions/508019/jpa-hibernate-store-date-in-utc-time-zone time zone Consider this annotated JPA entity public class Event @Id public int id @Temporal TemporalType.TIMESTAMP public java.util.Date..
Text-mouseover popups over a Swing JTextArea? http://stackoverflow.com/questions/5957241/text-mouseover-popups-over-a-swing-jtextarea this question You can override getToolTipText Mouse Event event as needed. Addendum JTextComponent the parent of JTextArea..
How do I use SwingWorker in Java? http://stackoverflow.com/questions/782265/how-do-i-use-swingworker-in-java running tasks in Swing. Running long running tasks on the Event Dispatch Thread EDT can cause the GUI to lock up so one of the.. new ActionListener public void actionPerformed ActionEvent e new AnswerWorker .execute The above button can be added..
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