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programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Where are these error and warning icons as a java resource? up vote 11 down vote favorite 3 I've got a custom tree cell renderer that I'm using to render custom icons a JTree, and I really like the import joptionpane warning icon and the error icon that JOptionPane displays for both warning messages and error messages respectively. Obviously I can use the following code to get the icons for my own use, but this is way heavy handed and requires me to instantiate dialogs that I'm never going to use: public class ValidationCellRenderer extends DefaultTreeCellRenderer { private Icon warnIcon; private Icon errorIcon; public ValidationCellRenderer() { JOptionPane optionPane = new JOptionPane(new Object(), JOptionPane.WARNING_MESSAGE); warnIcon = optionPane.getIcon(); optionPane = new JOptionPane(new Object(), JOptionPane.ERROR_MESSAGE); errorIcon = optionPane.getIcon(); } } There's got to be a better way to get these icons as a resource, but I'm not finding an easy way to do this from the Java API. Anyone have any suggestions? java swing jtree share|improve this question edited Jan 8 '11 at 3:26 Jason S 85k102406706 asked Jul 28 '09 at 21:19 Peter 7,53611625 add a comment| 2 Answers 2 active oldest votes up vote 24 down vote accepted We use them too via: UIManager.getIcon("OptionPane.errorIcon") UIManager.getIcon("OptionPane.warningIcon") s
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have Meta Discuss the workings and policies of this site About joptionpane yes no Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting jdialog example ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 http://stackoverflow.com/questions/1196797/where-are-these-error-and-warning-icons-as-a-java-resource million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Error message icon shown with PLAIN_MESSAGE parameter on a JOptionPane object up vote 0 down vote favorite I create a dialog using JOptionPane manually using the codes below JOptionPane pane = new JOptionPane(feedbackPanel, JOptionPane.YES_OPTION, JOptionPane.PLAIN_MESSAGE); pane.setOptions(options); pane.setInitialValue(options[0]); pane.setIcon(null); http://stackoverflow.com/questions/4557191/error-message-icon-shown-with-plain-message-parameter-on-a-joptionpane-object JDialog dialog = pane.createDialog(null, "Your feedback"); dialog.setLocation(contentPane.getLocation()); dialog.setVisible(true); Note that I pass in JOptionPane.PLAIN_MESSAGE when creating the JOptionPane object, however, the dialog still displays a ERROR_MESSAGE icon along with everything else. I would like to get rid of the icon (i.e having no icon at all). Does anyone know where the problem is? Thanks. java swing icons joptionpane share|improve this question asked Dec 29 '10 at 19:32 skyork 1,77893269 add a comment| 1 Answer 1 active oldest votes up vote 2 down vote accepted You've got your JOptionPane constructor parameters switched around: JOptionPane pane = new JOptionPane(feedbackPanel, JOptionPane.PLAIN_MESSAGE, JOptionPane.DEFAULT_OPTION); It's JOptionPane(message, messageType, optionType) EDITED: Also: optionType should be one of {DEFAULT_OPTION, YES_NO_OPTION, YES_NO_CANCEL_OPTION, OK_CANCEL_OPTION} YES_OPTION is used for the return values. share|improve this answer answered Dec 29 '10 at 19:43 robert_x44 6,56111532 Oops... That explains! Thanks! –skyork Dec 29 '10 at 20:07 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Goo
latex (26) linux/unix (289) mac os x (315) mysql (54) ooa/ood (11) perl (156) php (97) postgresql (17) programming (43) ruby (56) scala (640) sencha (23) servlets (10) technology (84) testing (13) uml (24) zen (47) JOptionPane showMessageDialog examples (part 1) By Alvin Alexander. Last updated: June 3 2016 http://alvinalexander.com/java/joptionpane-showmessagedialog-examples-1 I’ve been working with the Java JOptionPane showMessageDialog a lot lately, so I thought I’d create a page here with a number of showMessageDialog examples, https://gate.ac.uk/releases/gate-5.1-build3431-ALL/doc/javadoc/src-html/gate/swing/ErrorDialog.html sort of a JOptionPane reference page. I’ll walk you through some JOptionPane examples here, starting with a simple example and then increasing the level error message of difficulty as I go on. A simple JOptionPane example Starting with a simple example, if you just want to show a JOptionPane dialog with a simple text message, all you need is one line of Java source code, like this: JOptionPane.showMessageDialog(frame, "A basic JOptionPane message dialog"); When this line java error message of code is executed it will display the following message dialog: In that example my first argument to the JOptionPane showMessageDialog method is a frame object, which presumably is an instance of a JFrame. If for some reason you don't have a reference to JFrame or JWindow instance, you can make that field null, and still display the identical JOptionPane dialog, as shown in this example: JOptionPane.showMessageDialog(null, "A basic JOptionPane message dialog"); Note that when you supply a null argument like that, the JOptionPane dialog will be centered on the user’s screen. When you supply a JFrame reference, the dialog is centered on that JFrame, so this behavior can be slightly different. A complete example Now looking at this as a more complete showMessageDialog example, here is the source code for a complete Java class that demonstrates a showMessageDialog example with a slightly more complex message: import javax.swing.ImageIc
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