List of usage examples for javax.swing.text AbstractDocument ElementNameAttribute
String ElementNameAttribute
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From source file:net.sf.jasperreports.engine.util.JEditorPaneHtmlMarkupProcessor.java
@Override public String convert(String srcText) { JEditorPane editorPane = new JEditorPane("text/html", srcText); editorPane.setEditable(false);//from www . j a v a2s.c om List<Element> elements = new ArrayList<Element>(); Document document = editorPane.getDocument(); Element root = document.getDefaultRootElement(); if (root != null) { addElements(elements, root); } int startOffset = 0; int endOffset = 0; int crtOffset = 0; String chunk = null; JRPrintHyperlink hyperlink = null; Element element = null; Element parent = null; boolean bodyOccurred = false; int[] orderedListIndex = new int[elements.size()]; String whitespace = " "; String[] whitespaces = new String[elements.size()]; for (int i = 0; i < elements.size(); i++) { whitespaces[i] = ""; } StringBuilder text = new StringBuilder(); List<JRStyledText.Run> styleRuns = new ArrayList<>(); for (int i = 0; i < elements.size(); i++) { if (bodyOccurred && chunk != null) { text.append(chunk); Map<Attribute, Object> styleAttributes = getAttributes(element.getAttributes()); if (hyperlink != null) { styleAttributes.put(JRTextAttribute.HYPERLINK, hyperlink); hyperlink = null; } if (!styleAttributes.isEmpty()) { styleRuns.add( new JRStyledText.Run(styleAttributes, startOffset + crtOffset, endOffset + crtOffset)); } } chunk = null; element = elements.get(i); parent = element.getParentElement(); startOffset = element.getStartOffset(); endOffset = element.getEndOffset(); AttributeSet attrs = element.getAttributes(); Object elementName = attrs.getAttribute(AbstractDocument.ElementNameAttribute); Object object = (elementName != null) ? null : attrs.getAttribute(StyleConstants.NameAttribute); if (object instanceof HTML.Tag) { HTML.Tag htmlTag = (HTML.Tag) object; if (htmlTag == Tag.BODY) { bodyOccurred = true; crtOffset = -startOffset; } else if (htmlTag == Tag.BR) { chunk = "\n"; } else if (htmlTag == Tag.OL) { orderedListIndex[i] = 0; String parentName = parent.getName().toLowerCase(); whitespaces[i] = whitespaces[elements.indexOf(parent)] + whitespace; if (parentName.equals("li")) { chunk = ""; } else { chunk = "\n"; ++crtOffset; } } else if (htmlTag == Tag.UL) { whitespaces[i] = whitespaces[elements.indexOf(parent)] + whitespace; String parentName = parent.getName().toLowerCase(); if (parentName.equals("li")) { chunk = ""; } else { chunk = "\n"; ++crtOffset; } } else if (htmlTag == Tag.LI) { whitespaces[i] = whitespaces[elements.indexOf(parent)]; if (element.getElement(0) != null && (element.getElement(0).getName().toLowerCase().equals("ol") || element.getElement(0).getName().toLowerCase().equals("ul"))) { chunk = ""; } else if (parent.getName().equals("ol")) { int index = elements.indexOf(parent); Object type = parent.getAttributes().getAttribute(HTML.Attribute.TYPE); Object startObject = parent.getAttributes().getAttribute(HTML.Attribute.START); int start = startObject == null ? 0 : Math.max(0, Integer.valueOf(startObject.toString()) - 1); String suffix = ""; ++orderedListIndex[index]; if (type != null) { switch (((String) type).charAt(0)) { case 'A': suffix = getOLBulletChars(orderedListIndex[index] + start, true); break; case 'a': suffix = getOLBulletChars(orderedListIndex[index] + start, false); break; case 'I': suffix = JRStringUtil.getRomanNumeral(orderedListIndex[index] + start, true); break; case 'i': suffix = JRStringUtil.getRomanNumeral(orderedListIndex[index] + start, false); break; case '1': default: suffix = String.valueOf(orderedListIndex[index] + start); break; } } else { suffix += orderedListIndex[index] + start; } chunk = whitespaces[index] + suffix + DEFAULT_BULLET_SEPARATOR + " "; } else { chunk = whitespaces[elements.indexOf(parent)] + DEFAULT_BULLET_CHARACTER + " "; } crtOffset += chunk.length(); } else if (element instanceof LeafElement) { if (element instanceof RunElement) { RunElement runElement = (RunElement) element; AttributeSet attrSet = (AttributeSet) runElement.getAttribute(Tag.A); if (attrSet != null) { hyperlink = new JRBasePrintHyperlink(); hyperlink.setHyperlinkType(HyperlinkTypeEnum.REFERENCE); hyperlink.setHyperlinkReference((String) attrSet.getAttribute(HTML.Attribute.HREF)); hyperlink.setLinkTarget((String) attrSet.getAttribute(HTML.Attribute.TARGET)); } } try { chunk = document.getText(startOffset, endOffset - startOffset); } catch (BadLocationException e) { if (log.isDebugEnabled()) { log.debug("Error converting markup.", e); } } } } } if (chunk != null) { if (!"\n".equals(chunk)) { text.append(chunk); Map<Attribute, Object> styleAttributes = getAttributes(element.getAttributes()); if (hyperlink != null) { styleAttributes.put(JRTextAttribute.HYPERLINK, hyperlink); hyperlink = null; } if (!styleAttributes.isEmpty()) { styleRuns.add( new JRStyledText.Run(styleAttributes, startOffset + crtOffset, endOffset + crtOffset)); } } else { //final newline, not appending //check if there's any style run that would have covered it, that can happen if there's a <li> tag with style int length = text.length(); for (ListIterator<JRStyledText.Run> it = styleRuns.listIterator(); it.hasNext();) { JRStyledText.Run run = it.next(); //only looking at runs that end at the position where the newline should have been //we don't want to hide bugs in which runs that span after the text length are created if (run.endIndex == length + 1) { if (run.startIndex < run.endIndex - 1) { it.set(new JRStyledText.Run(run.attributes, run.startIndex, run.endIndex - 1)); } else { it.remove(); } } } } } JRStyledText styledText = new JRStyledText(null, text.toString()); for (JRStyledText.Run run : styleRuns) { styledText.addRun(run); } styledText.setGlobalAttributes(new HashMap<Attribute, Object>()); return JRStyledTextParser.getInstance().write(styledText); }
From source file:net.java.sip.communicator.impl.gui.main.chat.ChatConversationPanel.java
/** * Adds a custom component at the end of the conversation. * * @param component the component to add at the end of the conversation. *///from w w w . ja v a 2 s . c o m public void addComponent(ChatConversationComponent component) { synchronized (scrollToBottomRunnable) { StyleSheet styleSheet = document.getStyleSheet(); Style style = styleSheet.addStyle(StyleConstants.ComponentElementName, styleSheet.getStyle("body")); // The image must first be wrapped in a style style.addAttribute(AbstractDocument.ElementNameAttribute, StyleConstants.ComponentElementName); TransparentPanel wrapPanel = new TransparentPanel(new BorderLayout()); wrapPanel.add(component, BorderLayout.NORTH); style.addAttribute(StyleConstants.ComponentAttribute, wrapPanel); style.addAttribute(Attribute.ID, ChatHtmlUtils.MESSAGE_TEXT_ID); SimpleDateFormat sdf = new SimpleDateFormat(HistoryService.DATE_FORMAT); style.addAttribute(ChatHtmlUtils.DATE_ATTRIBUTE, sdf.format(component.getDate())); scrollToBottomIsPending = true; // We need to reinitialize the last message ID, because we don't // want components to be taken into account. lastMessageUID = null; // Insert the component style at the end of the text try { document.insertString(document.getLength(), "ignored text", style); } catch (BadLocationException e) { logger.error("Insert in the HTMLDocument failed.", e); } } }