/** * Gets the displayed value, and uses the converter to convert the shared value to units this * instance is supposed to represent. If the displayed value and shared value are different, * then we turn off our document filter and update our value to match the shared value. We * re-enable the document filter afterwards. */ @Override protected void paintComponent(Graphics g) { super.paintComponent(g); try { StyledDocument doc = getStyledDocument(); double actualValue = (multiplier.getDisplayValue(value.getValue())); String actualValueAsString = df.format(actualValue); String displayedValue; try { displayedValue = doc.getText(0, doc.getLength()); } catch (BadLocationException e) { displayedValue = ""; } if (displayedValue.isEmpty()) { displayedValue = "0"; } double displayedValueAsDouble = Double.parseDouble(displayedValue); if (!actualValueAsString.equals(displayedValue) && displayedValueAsDouble != actualValue) // Allow user to enter trailing zeroes. { bypassFilterAndSetText(doc, actualValueAsString); } } catch (NumberFormatException e) { // Swallow it as it's OK for the user to try and enter non-numbers. } }
protected void bypassFilterAndSetText(StyledDocument doc, String text) { try { filter.setUpdateValue(false); doc.remove(0, doc.getLength()); doc.insertString(0, text, null); } catch (BadLocationException e) { java.awt.Toolkit.getDefaultToolkit().beep(); } finally { filter.setUpdateValue(true); } }
protected void buildErrorPanel() { errorPanel = new JPanel(); GroupLayout layout = new GroupLayout(errorPanel); layout.setAutoCreateGaps(true); layout.setAutoCreateContainerGaps(true); errorPanel.setLayout(layout); // errorPanel.setBorder(BorderFactory.createMatteBorder(2, 0, 0, 0, Color.BLACK)); errorMessage = new JTextPane(); errorMessage.setEditable(false); errorMessage.setContentType("text/html"); errorMessage.setText( "<html><body>Could not connect to the Processing server.<br>" + "Contributions cannot be installed or updated without an Internet connection.<br>" + "Please verify your network connection again, then try connecting again.</body></html>"); errorMessage.setFont(Toolkit.getSansFont(14, Font.PLAIN)); errorMessage.setMaximumSize(new Dimension(550, 50)); errorMessage.setOpaque(false); StyledDocument doc = errorMessage.getStyledDocument(); SimpleAttributeSet center = new SimpleAttributeSet(); StyleConstants.setAlignment(center, StyleConstants.ALIGN_CENTER); doc.setParagraphAttributes(0, doc.getLength(), center, false); closeButton = new JButton("X"); closeButton.setContentAreaFilled(false); closeButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { contribDialog.makeAndShowTab(false, false); } }); tryAgainButton = new JButton("Try Again"); tryAgainButton.setFont(Toolkit.getSansFont(14, Font.PLAIN)); tryAgainButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { contribDialog.makeAndShowTab(false, true); contribDialog.downloadAndUpdateContributionListing(editor.getBase()); } }); layout.setHorizontalGroup( layout .createSequentialGroup() .addPreferredGap( LayoutStyle.ComponentPlacement.RELATED, GroupLayout.PREFERRED_SIZE, Short.MAX_VALUE) .addGroup( layout .createParallelGroup(GroupLayout.Alignment.CENTER) .addComponent(errorMessage) .addComponent( tryAgainButton, StatusPanel.BUTTON_WIDTH, StatusPanel.BUTTON_WIDTH, StatusPanel.BUTTON_WIDTH)) .addPreferredGap( LayoutStyle.ComponentPlacement.RELATED, GroupLayout.PREFERRED_SIZE, Short.MAX_VALUE) .addComponent(closeButton)); layout.setVerticalGroup( layout .createSequentialGroup() .addGroup( layout.createParallelGroup().addComponent(errorMessage).addComponent(closeButton)) .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(tryAgainButton)); errorPanel.setBackground(Color.PINK); errorPanel.validate(); }