/** * Refreshes the undo/redo icons with the last action performed. * * @param oUndoManager, the manager to use to check for undo/redo possibilities. */ public void refreshUndoRedo(UndoManager oUndoManager) { // refresh undo pbUndo.setToolTipText(oUndoManager.getUndoPresentationName()); pbUndo.setEnabled(oUndoManager.canUndo()); // refresh redo pbRedo.setToolTipText(oUndoManager.getRedoPresentationName()); pbRedo.setEnabled(oUndoManager.canRedo()); }
/** * Create a button to go inside of the toolbar. By default this will load an image resource. The * image filename is relative to the classpath (including the '.' directory if its a part of the * classpath), and may either be in a JAR file or a separate file. * * @param key The key in the resource file to serve as the basis of lookups. */ protected JButton createToolbarButton(String key) { URL url = getResource(key + imageSuffix); JButton b = new JButton(new ImageIcon(url)) { @Override public float getAlignmentY() { return 0.5f; } }; b.setRequestFocusEnabled(false); b.setMargin(new Insets(1, 1, 1, 1)); String astr = getProperty(key + actionSuffix); if (astr == null) { astr = key; } Action a = getAction(astr); if (a != null) { b.setActionCommand(astr); b.addActionListener(a); } else { b.setEnabled(false); } String tip = getResourceString(key + tipSuffix); if (tip != null) { b.setToolTipText(tip); } return b; }