List of usage examples for org.jdom2 Element getChildren
public List<Element> getChildren()
List of all the child elements nested directly (one level deep) within this element, as Element objects. From source file:de.danielluedecke.zettelkasten.database.DesktopData.java
License:Open Source License
/** * This methods checks whether a given element {@code e} has child-elements * or not./*from w ww . jav a2 s . c o m*/ * @param e the element which should be checked for children * @return {@code true} if {@code e} has children, {@code false} otherwise */ public boolean hasChildren(Element e) { if (null == e) return false; return (!e.getChildren().isEmpty()); }
From source file:de.danielluedecke.zettelkasten.database.DesktopData.java
License:Open Source License
/** * /* ww w. j a va 2 s.c o m*/ * @param e */ private void retrieveDesktopEntries(Element e) { // get a list with all children of the element List<Element> children = e.getChildren(); // create an iterator Iterator<Element> it = children.iterator(); // go through all children while (it.hasNext()) { // get the child e = it.next(); // we have to ignore the comment-tags here. comments are no tags that will // be displayed in the jtree, but that store comments which will be displayed // in the jeditorpane (see "updateDisplay" method for further details) if (!e.getName().equals(ATTR_COMMENT)) { // check whether we have no bullet, just an entry if (!e.getName().equals(ELEMENT_BULLET)) { // retrieve id-attribute String att = e.getAttributeValue("id"); // check for valid value if (att != null) { // get entry-number int enr = Integer.parseInt(att); // sort list so we can search whether entry-number already exists Collections.sort(retrieveList); // search for double entries if (Collections.binarySearch(retrieveList, enr) < 0) { // now we know we have an entry. so get the entry number... retrieveList.add(enr); } } } // when the new element also has children, call this method again, // so we go through the strucuture recursively... if (hasChildren(e)) { retrieveDesktopEntries(e); } } } }
From source file:de.danielluedecke.zettelkasten.database.DesktopData.java
License:Open Source License
/** * This method retrieves all entries' timestamps of the element {@code e} and all its * child-element. Thus, {@code e} could either be a root-(desktop-)element or a bullet-element. * * @param e the starting-element from where we want to have all entries' timestamps, including * all children of {@code e}.//from www. j a v a 2 s .co m */ private void retrieveDesktopEntriesTimestamps(Element e) { // get a list with all children of the element List<Element> children = e.getChildren(); // create an iterator Iterator<Element> it = children.iterator(); // go through all children while (it.hasNext()) { // get the child e = it.next(); // we have to ignore the comment-tags here. comments are no tags that will // be displayed in the jtree, but that store comments which will be displayed // in the jeditorpane (see "updateDisplay" method for further details) if (!e.getName().equals(ATTR_COMMENT)) { // check whether we have no bullet, just an entry if (!e.getName().equals(ELEMENT_BULLET)) { // get timestamp-attribute String att = e.getAttributeValue(ATTR_TIMESTAMP); // and add its timestamp to the list if (att != null) timestampList.add(att); } // when the new element also has children, call this method again, // so we go through the strucuture recursively... if (hasChildren(e)) { retrieveDesktopEntriesTimestamps(e); } } } }
From source file:de.danielluedecke.zettelkasten.database.DesktopData.java
License:Open Source License
/** * This method updates the timestamp-attributes when the datafile is being updated due to * a newer file-version.<br><br> * This method is called when updating a file with version number 3.0 or 3.1 to 3.2 and higher. * * @param e the initial element, where the updating should start. usually, use something * like {@link #getDesktopElement(int) getDesktopElement(int)}. *//* w ww .j a va2s.co m*/ private void updateTimestamps(Element e) { // get a list with all children of the element List<Element> children = e.getChildren(); // create an iterator Iterator<Element> it = children.iterator(); DecimalFormat df = new DecimalFormat("00000"); // go through all children while (it.hasNext()) { // get the child e = it.next(); try { if (e.getName().equals(ELEMENT_ENTRY)) { String timestamp = e.getAttributeValue(ATTR_TIMESTAMP); if (timestamp != null) e.setAttribute(ATTR_TIMESTAMP, timestamp.concat(df.format(timestampid++))); } if (e.getName().equals(ELEMENT_BULLET)) { e.setAttribute(ATTR_TIMESTAMP, Tools.getTimeStamp() + df.format(timestampid++)); e.setAttribute("treefold", TREE_FOLDING_EXPANDED); } } catch (IllegalNameException ex) { Constants.zknlogger.log(Level.SEVERE, ex.getLocalizedMessage()); } catch (IllegalDataException ex) { Constants.zknlogger.log(Level.SEVERE, ex.getLocalizedMessage()); } // when the new element also has children, call this method again, // so we go through the strucuture recursively... if (hasChildren(e)) { updateTimestamps(e); } } }
From source file:de.danielluedecke.zettelkasten.database.DesktopData.java
License:Open Source License
/** * This method retrieves the comment of an entry-element which <i>timestamp</i>-attribute * matches the parameter {@code t}.//from w w w . j a v a 2 s . co m * * @param e the initial element where the search starts. usually, use * {@link #getCurrentDesktopElement() getCurrentDesktopElement()} fo this. * @param t the timestamp which should match the timestamp-attribute of the entry-element * @param c the comment as string. when initially calling this method, pass an empty string * as parameter * @return the comment as string, or an emtpy string if no comment was found */ private String findEntryComment(Element e, String t, String c) { // check for valid string if (null == c) return ""; // check for valid comment. if we already found a comment, // return it if (!c.isEmpty()) return c; // get a list with all children of the element List<Element> children = e.getChildren(); // create an iterator Iterator<Element> it = children.iterator(); // go through all children while (it.hasNext()) { // get the child e = it.next(); // check whether element has a timestamp value at all, and if it matches the parameter "t". if (e.getAttributeValue(ATTR_TIMESTAMP) != null && e.getAttributeValue(ATTR_TIMESTAMP).equals(t)) { // check whether we have a bullet-point if (e.getName().equals(ELEMENT_BULLET)) { // if we have a bullet, return the text of it's comment-child. Element comel = e.getChild(ATTR_COMMENT); return (comel != null) ? comel.getText() : ""; } else { // else return the element's text return e.getText(); } } // when the new element also has children, call this method again, // so we go through the strucuture recursively... if (hasChildren(e)) { c = findEntryComment(e, t, c); } } return c; }
From source file:de.danielluedecke.zettelkasten.database.DesktopData.java
License:Open Source License
/** * This method retrieves the entry-element which <i>timestamp</i>-attribute * matches the parameter {@code t}./*from ww w . jav a 2 s .c o m*/ * * @param e the initial element where the search starts. usually, use * {@link #getCurrentDesktopElement() getCurrentDesktopElement()} fo this. * @param t the timestamp which should match the timestamp-attribute of the entry-element * @return the element which timestamp-attribute matches the parameter {@code t}, or {@code null} * if no element was found */ public Element findEntryElementFromTimestamp(Element e, String t) { // check for valid entry if (null == e) return null; // check whether the element "e" passed as parameter already has a timestamp-attribute that // matches the parameter "t". if so, return that element. if (e.getAttributeValue(ATTR_TIMESTAMP) != null && e.getAttributeValue(ATTR_TIMESTAMP).equals(t)) return e; // get a list with all children of the element List<Element> children = e.getChildren(); // create an iterator Iterator<Element> it = children.iterator(); // go through all children while (it.hasNext()) { // get the child e = it.next(); // check whether element has a timestamp value at all, and if it matches the parameter "t". if (e.getAttributeValue(ATTR_TIMESTAMP) != null && e.getAttributeValue(ATTR_TIMESTAMP).equals(t)) return e; // when the new element also has children, call this method again, // so we go through the strucuture recursively... if (hasChildren(e)) { // go into method again to traverse child-elements e = findEntryElementFromTimestamp(e, t); // when one of the child matches the requested entry, leave function without any further iteration if (e != null && e.getAttributeValue(ATTR_TIMESTAMP) != null && e.getAttributeValue(ATTR_TIMESTAMP).equals(t)) return e; } } if (e != null) return (e.getAttributeValue(ATTR_TIMESTAMP) != null && e.getAttributeValue(ATTR_TIMESTAMP).equals(t)) ? e : null; else return null; }
From source file:de.danielluedecke.zettelkasten.database.Synonyms.java
License:Open Source License
public String[] getSynonymLine(Document doc, int nr, boolean matchcase) { // get element Element syn = retrieveElement(doc, nr); // init return value String[] retval = null;/*from ww w. j a v a 2 s . c o m*/ // if we have a valid element, go on if (syn != null) { // get list of child-element with synonyms List l = syn.getChildren(); // create array retval = new String[l.size() + 1]; // first element of the array is the index word if (matchcase) { // retrieve indexword-attribute String attr = syn.getAttributeValue("indexword"); // check whether value ok if (attr != null) { // then use it for array retval[0] = attr; } else { // else log error message, telling the number of the corrupted synonym-data Constants.zknlogger.log(Level.WARNING, "No index word for synonym {0} found.", String.valueOf(nr)); // and return null return null; } } else { // retrieve indexword-attribute String attr = syn.getAttributeValue("indexword"); // check whether value ok if (attr != null) { // then use it for array retval[0] = attr.toLowerCase(); } else { // else log error message, telling the number of the corrupted synonym-data Constants.zknlogger.log(Level.WARNING, "No index word for synonym {0} found.", String.valueOf(nr)); // and return null return null; } } // following elements are the synonyms. therefore, copy the children's text to the array for (int cnt = 0; cnt < l.size(); cnt++) { // get the element Element e = (Element) l.get(cnt); // get the element's text if (matchcase) { retval[cnt + 1] = e.getText(); } else { retval[cnt + 1] = e.getText().toLowerCase(); } } } return retval; }
From source file:de.danielluedecke.zettelkasten.DesktopFrame.java
License:Open Source License
/** * This method updates the jTreeView. Each time an update for the treevuew is needed, this * method is called. It then recursevly traverses all XML-Elements of the currently activated * desktop-element, where the starting desktop-element is passed in the parameter {@code e}. * <br><br>//from w ww . j a va 2s . c o m * The method retrieves each element, checks whether the element is an entry- or a bullet-element, * than either, in case of a bullet point, uses the name-attribute as node-name and appends the * timestamp-attribute as ID; or it retrieves the entry's title from the entry-number that is stored * in each entry-element, and appends the entry's timestamp-attribute as ID. * <br><br> * After that, the node is inserted in the jTree. * * @param e * @param n * @param dtm */ private void fillChildren(Element e, DefaultMutableTreeNode n, DefaultTreeModel dtm) { // get a list with all children of the element List<Element> children = e.getChildren(); // create an iterator Iterator<Element> it = children.iterator(); // go through all children while (it.hasNext()) { // get the child e = it.next(); // create a new node DefaultMutableTreeNode node; // we have to ignore the comment-tags here. comments are no tags that will // be displayed in the jtree, but that store comments which will be displayed // in the jeditorpane (see "updateDisplay" method for further details) if (!e.getName().equals("comment")) { // if the child is a bullet... if (e.getName().equals("bullet")) { // create new stringbuilder StringBuilder sb = new StringBuilder(""); // append name of bullet point sb.append(e.getAttributeValue("name")); // // and append unique id, which is the element's timestamp // sb.append(" [id#").append(e.getAttributeValue("timestamp")).append("]"); // // create a node with the element's name-attribute // node = new DefaultMutableTreeNode(sb.toString()); // create a node with the element's name-attribute node = new DefaultMutableTreeNode( new TreeUserObject(sb.toString(), e.getAttributeValue("timestamp"), "")); // and tell node to have children node.setAllowsChildren(true); } else { // now we know we have an entry. so get the entry number... int nr = Integer.parseInt(e.getAttributeValue("id")); // get the zettel title String title = TreeUtil.retrieveNodeTitle(dataObj, settingsObj.getShowDesktopEntryNumber(), String.valueOf(nr)); // create a new node node = new DefaultMutableTreeNode( new TreeUserObject(title, e.getAttributeValue("timestamp"), String.valueOf(nr))); // and tell node not to have children node.setAllowsChildren(false); } // add new node to treeview dtm.insertNodeInto(node, n, n.getChildCount()); // when the new element also has children, call this method again, // so we go through the strucuture recursively... if (desktopObj.hasChildren(e)) { fillChildren(e, node, dtm); } } } }
From source file:de.danielluedecke.zettelkasten.DesktopFrame.java
License:Open Source License
/** * This method retrieves all entries on the desktop and adds their number to the * list {@code liste}. This array of entry-numbers is needed in the export-dialog. * * @param e the starting point for the jTree-enumeration, either the root elementor a bullet (if only * a bullet should be exported, see {@link #exportDesktopBullet() exportDesktopBullet()}). * @param liste an array-object that will hold the found entry-nubers *///from www .j a v a2 s. c om private void createExportEntries(Element e, ArrayList<Object> liste) { // if we have no element, return. if (null == e) return; // get a list with all children of the element List<Element> children = e.getChildren(); // create an iterator Iterator<Element> it = children.iterator(); // go through all children while (it.hasNext()) { // get the child e = it.next(); // we have to ignore the comment-tags here. comments are no tags that will // be displayed in the jtree, but that store comments which will be displayed // in the jeditorpane (see "updateDisplay" method for further details) if (!e.getName().equals("comment")) { // if the child is a bullet... if (e.getName().equals("bullet")) { // first, we want to retrieve the header-level int headerlevel = 1; // get bullet's parent Element f = e.getParentElement(); // as long as we have not reached the root, get further parent-elements // and increase counter for header-level while (!f.isRootElement()) { f = f.getParentElement(); headerlevel++; } // add the element's name-attribute. since headers might consist of only numbers, // we add a char here. this is necessary, since the export-methods distinguish // between headers and entry-numbers simply by parsing integer-values. if the parsing // succeeds, we have an entry, if a NumberFormatException is thrown, we have a headline. // to treat headline with numbers only as headlines, we add a char to be sure that every // headline will throw an exception when parsing the array's elements to integer. liste.add("h" + String.valueOf(headerlevel) + e.getAttributeValue("name")); } else { // now we know we have an entry. so get the entry number... int nr = Integer.parseInt(e.getAttributeValue("id")); liste.add(nr); } // when the new element also has children, call this method again, // so we go through the strucuture recursively... if (desktopObj.hasChildren(e)) { createExportEntries(e, liste); } } } }
From source file:de.dfki.iui.mmds.scxml.engine.impl.SCXMLEngineImpl.java
License:Apache License
private void propagateNamespace(Element element) { List children = element.getChildren(); for (Object o : children) { Element child = (Element) o; if (child.getName().equals("raise")) { child.setNamespace(Namespace.getNamespace("ca", "http://www.dfki.de/mmds/scxml/customaction")); } else {//w w w . j a v a 2 s. c o m child.setNamespace(element.getNamespace()); } propagateNamespace(child); } }