Examples of org.richfaces.model.TreeRowKey

org.richfaces.model.TreeRowKey
Base abstract clas for all tree row keys @author Nick Belaevski - nbelaevski@exadel.comcreated 06.12.2006

  }


  private void processAddNodeActionEvent(UITreeNode srcNode) {
//    log.info("StorageBackingBean processAddNodeActionEvent()");
      UITree srcTree = srcNode != null ? srcNode.getUITree() : null;
      TreeRowKey dragNodeKey = (srcNode.getDragValue() instanceof TreeRowKey) ? (TreeRowKey) srcNode.getDragValue() : null;
      TreeNode draggedNode = dragNodeKey != null ? srcTree.getTreeNode(dragNodeKey) : null;
      
      log.info("dropped key: " + dragNodeKey);
      
      //add to list of selected properties

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    public void processDrop(DropEvent dropEvent) {
      // resolve drag source attributes
        UITreeNode srcNode = (dropEvent.getDraggableSource() instanceof UITreeNode) ? (UITreeNode) dropEvent.getDraggableSource() : null;
        UITree srcTree = srcNode != null ? srcNode.getUITree() : null;
        TreeRowKey dragNodeKey = (dropEvent.getDragValue() instanceof TreeRowKey) ? (TreeRowKey) dropEvent.getDragValue() : null;
        TreeNode draggedNode = dragNodeKey != null ? srcTree.getTreeNode(dragNodeKey) : null;
        
        log.debug("dropped key: "+dragNodeKey);
       
        //add to list of selected properties

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      processAddNodeActionEvent(srcNode);
    }
    
    private void processAddNodeActionEvent(UITreeNode srcNode){
      UITree srcTree = srcNode != null ? srcNode.getUITree() : null;
      TreeRowKey dragNodeKey = (srcNode.getDragValue() instanceof TreeRowKey) ? (TreeRowKey) srcNode.getDragValue() : null;
      TreeNode draggedNode = dragNodeKey != null ? srcTree.getTreeNode(dragNodeKey) : null;
      
      log.debug("dropped key: "+dragNodeKey);
      
      //add to list of selected properties

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          }


          Iterator<RowKeyHolder> ajaxKeysItr = holders.iterator();
          while (ajaxKeysItr.hasNext()) {
            RowKeyHolder keyHolder = ajaxKeysItr.next();
            TreeRowKey key = keyHolder.getRowKey();


            if (key != null && key.depth() == 0) {
              key = null;
            }


            tree.setRowKey(context, key);

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  }


  protected String getSelectionValue(FacesContext context, UITree tree) {
    String result = "";
    TreeState treeState = (TreeState) tree.getComponentState();
    TreeRowKey selectedNodeKey = treeState.getSelectedNode();
    if (selectedNodeKey != null) {
      Object rowKey = tree.getRowKey();
      try {
        tree.setRowKey(selectedNodeKey);
        if (tree.isRowAvailable()) {

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    // simple flag can be used here because
    // we cannot jump more than one level down until next node
    // when rendering
    Flag droppedDownToLevelFlag = new Flag();


    TreeRowKey rowKey = (TreeRowKey) key;


    //Object savedRowKey = input.getRowKey();
    try {
      input.captureOrigValue();

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      if (!context.isExpanded() || !context.isHasChildren()) {
        getUtils().writeAttribute(writer, "style", "display: none;");
      } else {
        if (tree.isShowConnectingLines()) {
          TreeRowKey floatingKey = getFloatingKey();
          //need the expression only for AJAX update root
          if (floatingKey != null && floatingKey.equals(context.getRowKey())) {
            String expression = "background-image:expression(this.nextSibling ? '' : 'none')";
            getUtils().writeAttribute(writer, "style", expression);
          }
        }
      }

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   * @param transferQueuedNodes whether to collect queued expanded nodes states or not
   * @return tree node state
   */
  public Object getTreeNodeState() {
    // Check for node were choosed
    TreeRowKey rowKey = (TreeRowKey) getRowKey(); 
    if (rowKey == null) {
      return null;
    }
    TreeState state = (TreeState) getComponentState();
    return state.getSubState(rowKey);

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   * 
   * @param state node state to apply.
   */
  public void setTreeNodeState(Object state) {
    // Check for node were choosed
        TreeRowKey rowKey = (TreeRowKey) getRowKey(); 
    if (rowKey == null) {
      return;
    }
    
    if (state instanceof TreeState) {

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  /**
   * Cleanup current tree node state information.
   */
  public void clearTreeNodeState() {
    TreeRowKey rowKey = (TreeRowKey) getRowKey(); 
    if (rowKey == null) {
      return;
    }
    
    TreeState state = (TreeState) getComponentState();

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