List of usage examples for org.w3c.dom Document getElementById
public Element getElementById(String elementId);
Element that has an ID attribute with the given value. From source file:org.apereo.portal.layout.dlm.DistributedLayoutManager.java
public IUserLayoutNodeDescription addNode(IUserLayoutNodeDescription node, String parentId, String nextSiblingId) throws PortalException { boolean isChannel = false; IUserLayoutNodeDescription parent = this.getNode(parentId); if (canAddNode(node, parent, nextSiblingId)) { // assign new Id try {//w w w. ja v a2 s. c om if (node instanceof IUserLayoutChannelDescription) { isChannel = true; node.setId(this.distributedLayoutStore.generateNewChannelSubscribeId(owner)); } else { node.setId(this.distributedLayoutStore.generateNewFolderId(owner)); } } catch (Exception e) { throw new PortalException("Exception encountered while " + "generating new user layout node Id for for " + owner.getAttribute(IPerson.USERNAME), e); } Document uld = getUserLayoutDOM(); Element childElement = node.getXML(uld); Element parentElement = uld.getElementById(parentId); if (nextSiblingId == null) { parentElement.appendChild(childElement); } else { Node nextSibling = uld.getElementById(nextSiblingId); parentElement.insertBefore(childElement, nextSibling); } // register element id childElement.setIdAttribute(Constants.ATT_ID, true); childElement.setAttribute(Constants.ATT_ID, node.getId()); this.updateCacheKey(); // push into the user's real layout that gets persisted. HandlerUtils.createPlfNodeAndPath(childElement, isChannel, owner); // fire event final int layoutId = this.getLayoutId(); if (isChannel) { this.channelsAdded = true; final String fname = ((IUserLayoutChannelDescription) node).getFunctionalName(); this.portalEventFactory.publishPortletAddedToLayoutPortalEvent(this, this.owner, layoutId, parent.getId(), fname); } else { this.portalEventFactory.publishFolderAddedToLayoutPortalEvent(this, this.owner, layoutId, node.getId()); } return node; } return null; }
From source file:org.apereo.portal.layout.dlm.DistributedLayoutManager.java
public boolean moveNode(String nodeId, String parentId, String nextSiblingId) throws PortalException { IUserLayoutNodeDescription parent = this.getNode(parentId); IUserLayoutNodeDescription node = this.getNode(nodeId); String oldParentNodeId = getParentId(nodeId); if (canMoveNode(node, parent, nextSiblingId)) { // must be a folder Document uld = this.getUserLayoutDOM(); Element childElement = uld.getElementById(nodeId); Element parentElement = uld.getElementById(parentId); if (nextSiblingId == null) { parentElement.appendChild(childElement); } else {/*from w ww . ja v a 2 s.co m*/ Node nextSibling = uld.getElementById(nextSiblingId); parentElement.insertBefore(childElement, nextSibling); } this.updateCacheKey(); // propagate the change into the PLF Element oldParent = uld.getElementById(oldParentNodeId); TabColumnPrefsHandler.moveElement(childElement, oldParent, owner); // fire event final int layoutId = this.getLayoutId(); if (node instanceof IUserLayoutChannelDescription) { this.channelsAdded = true; final String fname = ((IUserLayoutChannelDescription) node).getFunctionalName(); this.portalEventFactory.publishPortletMovedInLayoutPortalEvent(this, this.owner, layoutId, oldParentNodeId, parent.getId(), fname); } else { this.portalEventFactory.publishFolderMovedInLayoutPortalEvent(this, this.owner, layoutId, oldParentNodeId, parent.getId()); } return true; } return false; }
From source file:org.apereo.portal.layout.dlm.DistributedLayoutManager.java
public boolean deleteNode(String nodeId) throws PortalException { if (canDeleteNode(nodeId)) { IUserLayoutNodeDescription nodeDescription = this.getNode(nodeId); String parentNodeId = this.getParentId(nodeId); Document uld = this.getUserLayoutDOM(); Element ilfNode = uld.getElementById(nodeId); Node parent = ilfNode.getParentNode(); if (parent != null) { parent.removeChild(ilfNode); } else {/*from www . j a va 2s. co m*/ throw new PortalException("Node \"" + nodeId + "\" has a NULL parent for layout of " + owner.getAttribute(IPerson.USERNAME) + "."); } this.updateCacheKey(); // now push into the PLF TabColumnPrefsHandler.deleteNode(ilfNode, (Element) parent, owner); // inform the listeners final int layoutId = this.getLayoutId(); if (nodeDescription instanceof IUserLayoutChannelDescription) { final IUserLayoutChannelDescription userLayoutChannelDescription = (IUserLayoutChannelDescription) nodeDescription; this.portalEventFactory.publishPortletDeletedFromLayoutPortalEvent(this, this.owner, layoutId, parentNodeId, userLayoutChannelDescription.getFunctionalName()); } else { this.portalEventFactory.publishFolderDeletedFromLayoutPortalEvent(this, this.owner, layoutId, parentNodeId, nodeDescription.getId(), nodeDescription.getName()); } return true; } return false; }
From source file:org.apereo.portal.layout.dlm.DistributedLayoutManager.java
protected boolean canMoveNode(IUserLayoutNodeDescription node, IUserLayoutNodeDescription parent, String nextSiblingId) throws PortalException { // todo if isFragmentOwner should probably verify both node and parent are part of the // same layout fragment as the fragment owner to insure a misbehaving front-end doesn't // do an improper operation. // are we moving to a new parent? if (!getParentId(node.getId()).equals(parent.getId())) return (isFragmentOwner || node.isMoveAllowed()) && canAddNode(node, parent, nextSiblingId); // same parent. which direction are we moving? Document uld = this.getUserLayoutDOM(); Element parentE = uld.getElementById(parent.getId()); Element child = (Element) parentE.getFirstChild(); int idx = 0;//from www.j ava2s. c om int nodeIdx = -1; int sibIdx = -1; while (child != null) { String id = child.getAttribute(Constants.ATT_ID); if (id.equals(node.getId())) nodeIdx = idx; if (id.equals(nextSiblingId)) sibIdx = idx; idx++; child = (Element) child.getNextSibling(); } if (nodeIdx == -1 || // couldn't find node (nextSiblingId != null && sibIdx == -1)) // couldn't find sibling return false; if (nodeIdx < sibIdx || // moving right sibIdx == -1) // appending to end return canMoveRight(node.getId(), nextSiblingId); return canMoveLeft(node.getId(), nextSiblingId); }
From source file:org.apereo.portal.layout.dlm.DistributedLayoutManager.java
public String getParentId(String nodeId) throws PortalException { Document uld = this.getUserLayoutDOM(); Element nelement = uld.getElementById(nodeId); if (nelement != null) { Node parent = nelement.getParentNode(); if (parent != null) { if (parent.getNodeType() != Node.ELEMENT_NODE) { throw new PortalException( "Node with id=\"" + nodeId + "\" is attached to something other then an element node."); }/*from w w w.j av a 2 s.co m*/ Element e = (Element) parent; return e.getAttribute("ID"); } return null; } throw new PortalException("Node with id=\"" + nodeId + "\" doesn't exist. Occurred in layout for " + owner.getAttribute(IPerson.USERNAME) + "."); }
From source file:org.apereo.portal.layout.dlm.DistributedLayoutManager.java
public String getNextSiblingId(String nodeId) throws PortalException { Document uld = this.getUserLayoutDOM(); Element nelement = uld.getElementById(nodeId); if (nelement != null) { Node nsibling = nelement.getNextSibling(); // scroll to the next element node while (nsibling != null && nsibling.getNodeType() != Node.ELEMENT_NODE) { nsibling = nsibling.getNextSibling(); }/*from w ww . j a va 2 s . c om*/ if (nsibling != null) { Element e = (Element) nsibling; return e.getAttribute("ID"); } return null; } throw new PortalException("Node with id=\"" + nodeId + "\" doesn't exist. Occurred " + "in layout for " + owner.getAttribute(IPerson.USERNAME) + "."); }
From source file:org.apereo.portal.layout.dlm.DistributedLayoutManager.java
public String getPreviousSiblingId(String nodeId) throws PortalException { Document uld = this.getUserLayoutDOM(); Element nelement = uld.getElementById(nodeId); if (nelement != null) { Node nsibling = nelement.getPreviousSibling(); // scroll to the next element node while (nsibling != null && nsibling.getNodeType() != Node.ELEMENT_NODE) { nsibling = nsibling.getNextSibling(); }//from ww w . j a v a 2s .c o m if (nsibling != null) { Element e = (Element) nsibling; return e.getAttribute("ID"); } return null; } throw new PortalException("Node with id=\"" + nodeId + "\" doesn't exist. Occurred in layout for " + owner.getAttribute(IPerson.USERNAME) + "."); }
From source file:org.apereo.portal.layout.dlm.DistributedLayoutManager.java
private Enumeration<String> getChildIds(String nodeId, boolean visibleOnly) throws PortalException { Vector<String> v = new Vector<String>(); IUserLayoutNodeDescription node = getNode(nodeId); if (node instanceof IUserLayoutFolderDescription) { Document uld = this.getUserLayoutDOM(); Element felement = uld.getElementById(nodeId); for (Node n = felement.getFirstChild(); n != null; n = n.getNextSibling()) { if (n.getNodeType() == Node.ELEMENT_NODE && (visibleOnly == false || (visibleOnly == true && ((Element) n).getAttribute(Constants.ATT_HIDDEN).equals("false")))) { Element e = (Element) n; if (e.getAttribute("ID") != null) { v.add(e.getAttribute("ID")); }//from w ww .j a va 2s . c o m } } } return v.elements(); }
From source file:org.apereo.portal.layout.dlm.EditManager.java
/** * Searches for a command of the passed-in type and if found removes it from * the user's PLF.//from w ww . ja va2 s. c om */ private static void removeDirective(String elementId, String attributeName, String type, IPerson person) { Document plf = (Document) person.getAttribute(Constants.PLF); Element node = plf.getElementById(elementId); if (node == null) return; Element editSet = null; try { editSet = getEditSet(node, plf, person, false); } catch (Exception e) { /* * we should never get here since we are calling getEditSet passing * create=false meaning that the only portion of that method that * tosses an exception will not be reached with this call. But if a * runtime exception somehow occurs we will log it so that we don't * lose the information. */ LOG.error(e, e); return; } // if no edit set then the edit can't be there either if (editSet == null) return; Node child = editSet.getFirstChild(); while (child != null) { if (child.getNodeName().equals(type)) { Attr attr = ((Element) child).getAttributeNode(Constants.ATT_NAME); if (attr != null && attr.getValue().equals(attributeName)) { // we found it, remove it editSet.removeChild(child); break; } } child = child.getNextSibling(); } // if that was the last on in the edit set then delete it if (editSet.getFirstChild() == null) node.removeChild(editSet); }
From source file:org.apereo.portal.layout.dlm.ParameterEditManager.java
/** * Attempt to apply a single channel parameter edit command and return true * if it succeeds or false otherwise. If the edit is disallowed or the * target element no longer exists in the document the edit command fails * and returns false.//from w ww . j av a 2s . c o m * @throws Exception */ private static boolean applyEdit(Element edit, Document ilf) { String nodeID = edit.getAttribute(Constants.ATT_TARGET); Element channel = ilf.getElementById(nodeID); if (channel == null) return false; // now get the name of the parameter to be edited and find that element String parmName = edit.getAttribute(Constants.ATT_NAME); String parmValue = edit.getAttribute(Constants.ATT_USER_VALUE); NodeList ilfParms = channel.getChildNodes(); Element targetParm = null; for (int i = 0; i < ilfParms.getLength(); i++) { Element ilfParm = (Element) ilfParms.item(i); if (ilfParm.getAttribute(Constants.ATT_NAME).equals(parmName)) { targetParm = ilfParm; break; } } if (targetParm == null) // parameter not found so we are free to set { Element parameter = ilf.createElement("parameter"); parameter.setAttribute("name", parmName); parameter.setAttribute("value", parmValue); parameter.setAttribute("override", "yes"); channel.appendChild(parameter); return true; } /* TODO Add support for fragments to set dlm:editAllowed attribute for * channel parameters. (2005.11.04 mboyd) * * In the commented code below, the check for editAllowed will never be * seen on a parameter element in the * current database schema approach used by DLM. This is because * parameters are second class citizens of the layout structure. They * are not found in the up_layout_struct table but only in the * up_layout_param table. DLM functionality like dlm:editAllowed, * dlm:moveAllowed, dlm:deleteAllowed, and dlm:addChildAllowed were * implemented without schema changes by adding these as parameters to * structural elements and upon loading any parameter that begins with * 'dlm:' is placed as an attribute on the containing structural * element. So any channel parameter entry with dlm:editAllowed has that * value placed as an attribute on the containing channel not on the * parameter that was meant to have it. * * The only solution would be to add special dlm:parm children below * channels that would get the editAllowed value and then when creating * the DOM don't create those as child elements but use them to set the * attribute on the corresponding parameter by having the name of the * dlm:parm element be the name of the parameter to which it is to be * related. * * The result of this lack of functionality is that fragments can't * mark any channel parameters as dlm:editAllowed='false' thereby * further restricting which channel parameters can be edited beyond * what the channel definition specifies during publishing. */ //Attr editAllowed = targetParm.getAttributeNode( Constants.ATT_EDIT_ALLOWED ); //if ( editAllowed != null && editAllowed.getNodeValue().equals("false")) // return false; // target parm found. See if channel definition will still allow changes. Attr override = targetParm.getAttributeNode(Constants.ATT_OVERRIDE); if (override != null && !override.getNodeValue().equals(Constants.CAN_OVERRIDE)) return false; // now see if the change is still needed if (targetParm.getAttribute(Constants.ATT_VALUE).equals(parmValue)) return false; // user's edit same as fragment or chan def targetParm.setAttribute("value", parmValue); return true; }