121 lines
3.4 KiB
Java
121 lines
3.4 KiB
Java
package the.bytecode.club.bytecodeviewer.gui.components;
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import javax.swing.*;
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import java.awt.*;
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import java.lang.reflect.Method;
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import static javax.swing.JOptionPane.*;
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/**
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* All this does is fix the bug with parentComponents being minimized.
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* The bug is the JOptionPane location ends up 0,0 instead of centered.
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* The fix is to center the frame manually before showing.
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*
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* @author Konloch
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* @author James Gosling
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* @author Scott Violet
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* @since 7/4/2021
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*/
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public class BetterJOptionPane
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{
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public static void showMessageDialog(Component parentComponent,
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Object message) throws HeadlessException
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{
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showMessageDialog(parentComponent, message, UIManager.getString(
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"OptionPane.messageDialogTitle", parentComponent.getLocale()),
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INFORMATION_MESSAGE);
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}
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public static void showMessageDialog(Component parentComponent,
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Object message, String title, int messageType)
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throws HeadlessException
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{
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showMessageDialog(parentComponent, message, title, messageType, null);
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}
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public static void showMessageDialog(Component parentComponent,
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Object message, String title, int messageType, Icon icon)
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throws HeadlessException
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{
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showOptionDialog(parentComponent, message, title, DEFAULT_OPTION,
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messageType, icon, null, null);
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}
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public static int showOptionDialog(Component parentComponent,
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Object message, String title, int optionType, int messageType,
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Icon icon, Object[] options, Object initialValue)
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throws HeadlessException
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{
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JOptionPane pane = new JOptionPane(message, messageType,
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optionType, icon,
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options, initialValue);
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pane.setInitialValue(initialValue);
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pane.setComponentOrientation(((parentComponent == null) ?
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getRootFrame() : parentComponent).getComponentOrientation());
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int style = styleFromMessageType(messageType);
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//reflection to cheat our way around the
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// private createDialog(Component parentComponent, String title, int style)
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JDialog dialog = null;
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try
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{
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Method createDialog = pane.getClass().getDeclaredMethod("createDialog", Component.class, String.class, int.class);
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createDialog.setAccessible(true);
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dialog = (JDialog) createDialog.invoke(pane, parentComponent, title, style);
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}
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catch(Exception e)
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{
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e.printStackTrace();
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}
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pane.selectInitialValue();
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//check if the dialogue is in a poor location, attempt to correct
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if(dialog.getLocation().getY() == 0)
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dialog.setLocationRelativeTo(null);
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dialog.show();
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dialog.dispose();
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Object selectedValue = pane.getValue();
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if(selectedValue == null)
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return CLOSED_OPTION;
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if(options == null)
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{
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if(selectedValue instanceof Integer)
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return (Integer) selectedValue;
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return CLOSED_OPTION;
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}
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for(int counter = 0, maxCounter = options.length;
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counter < maxCounter; counter++)
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{
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if(options[counter].equals(selectedValue))
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return counter;
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}
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return CLOSED_OPTION;
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}
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private static int styleFromMessageType(int messageType)
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{
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switch (messageType)
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{
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case ERROR_MESSAGE:
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return JRootPane.ERROR_DIALOG;
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case QUESTION_MESSAGE:
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return JRootPane.QUESTION_DIALOG;
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case WARNING_MESSAGE:
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return JRootPane.WARNING_DIALOG;
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case INFORMATION_MESSAGE:
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return JRootPane.INFORMATION_DIALOG;
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case PLAIN_MESSAGE:
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default:
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return JRootPane.PLAIN_DIALOG;
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}
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}
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} |