private void updateTemplateFromEditor(PrintfTemplate template) { ArrayList params = new ArrayList(); String format = null; int text_length = editorPane.getDocument().getLength(); try { format = editorPane.getDocument().getText(0, text_length); } catch (BadLocationException ex1) { } Element section_el = editorPane.getDocument().getDefaultRootElement(); // Get number of paragraphs. int num_para = section_el.getElementCount(); for (int p_count = 0; p_count < num_para; p_count++) { Element para_el = section_el.getElement(p_count); // Enumerate the content elements int num_cont = para_el.getElementCount(); for (int c_count = 0; c_count < num_cont; c_count++) { Element content_el = para_el.getElement(c_count); AttributeSet attr = content_el.getAttributes(); // Get the name of the style applied to this content element; may be null String sn = (String) attr.getAttribute(StyleConstants.NameAttribute); // Check if style name match if (sn != null && sn.startsWith("Parameter")) { // we extract the label. JLabel l = (JLabel) StyleConstants.getComponent(attr); if (l != null) { params.add(l.getName()); } } } } template.setFormat(format); template.setTokens(params); }
void editorPane_keyPressed(KeyEvent e) { StyledDocument doc = editorPane.getStyledDocument(); int pos = editorPane.getCaretPosition(); int code = e.getKeyCode(); Element el; switch (code) { case KeyEvent.VK_BACK_SPACE: case KeyEvent.VK_DELETE: case KeyEvent.VK_LEFT: case KeyEvent.VK_KP_LEFT: if (pos == 0) return; // we want to get the element to the left of position. el = doc.getCharacterElement(pos - 1); break; case KeyEvent.VK_RIGHT: case KeyEvent.VK_KP_RIGHT: // we want to get the element to the right of position. el = doc.getCharacterElement(pos + 1); break; default: return; // bail we don't handle it. } AttributeSet attr = el.getAttributes(); String el_name = (String) attr.getAttribute(StyleConstants.NameAttribute); int el_range = el.getEndOffset() - el.getStartOffset() - 1; if (el_name.startsWith("Parameter") && StyleConstants.getComponent(attr) != null) { try { switch (code) { case KeyEvent.VK_BACK_SPACE: case KeyEvent.VK_DELETE: doc.remove(el.getStartOffset(), el_range); break; case KeyEvent.VK_LEFT: case KeyEvent.VK_KP_LEFT: editorPane.setCaretPosition(pos - el_range); break; case KeyEvent.VK_RIGHT: case KeyEvent.VK_KP_RIGHT: editorPane.setCaretPosition(pos + (el_range)); break; } } catch (BadLocationException ex) { } } }