本文整理了Java中com.google.gwt.user.client.ui.Tree.collectElementChain()方法的一些代码示例，展示了Tree.collectElementChain()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Tree.collectElementChain()方法的具体详情如下：
包路径：com.google.gwt.user.client.ui.Tree
类名称：Tree
方法名：collectElementChain

Tree.collectElementChain介绍

[英]Collects parents going up the element tree, terminated at the tree root.
[中]收集元素树上的父元素，终止于树根。

代码示例

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Collects parents going up the element tree, terminated at the tree root.
 */
private void collectElementChain(ArrayList<Element> chain, Element hRoot,
  Element hElem) {
 if ((hElem == null) || (hElem == hRoot)) {
  return;
 }
 collectElementChain(chain, hRoot, DOM.getParent(hElem));
 chain.add(hElem);
}

代码示例来源：origin: com.google.gwt/gwt-servlet

private boolean elementClicked(Element hElem) {
 ArrayList<Element> chain = new ArrayList<Element>();
 collectElementChain(chain, getElement(), hElem);
 TreeItem item = findItemByChain(chain, 0, root);
 if (item != null && item != root) {
  if (item.getChildCount() > 0
    && item.getImageElement().isOrHasChild(hElem)) {
   item.setState(!item.getState(), true);
   return true;
  } else if (item.getElement().isOrHasChild(hElem)) {
   onSelection(item, true, !shouldTreeDelegateFocusToElement(hElem));
   return true;
  }
 }
 return false;
}

代码示例来源：origin: net.wetheinter/gwt-user

/**
 * Collects parents going up the element tree, terminated at the tree root.
 */
private void collectElementChain(ArrayList<Element> chain, Element hRoot,
  Element hElem) {
 if ((hElem == null) || (hElem == hRoot)) {
  return;
 }
 collectElementChain(chain, hRoot, DOM.getParent(hElem));
 chain.add(hElem);
}

代码示例来源：origin: com.vaadin.external.gwt/gwt-user

/**
 * Collects parents going up the element tree, terminated at the tree root.
 */
private void collectElementChain(ArrayList<Element> chain, Element hRoot,
  Element hElem) {
 if ((hElem == null) || (hElem == hRoot)) {
  return;
 }
 collectElementChain(chain, hRoot, DOM.getParent(hElem));
 chain.add(hElem);
}

代码示例来源：origin: com.google.gwt/gwt-servlet

if (event.getKeyCode() == KeyCodes.KEY_TAB) {
 ArrayList<Element> chain = new ArrayList<Element>();
 collectElementChain(chain, getElement(), DOM.eventGetTarget(event));
 TreeItem item = findItemByChain(chain, 0, root);
 if (item != getSelectedItem()) {

代码示例来源：origin: com.vaadin.external.gwt/gwt-user

private boolean elementClicked(Element hElem) {
 ArrayList<Element> chain = new ArrayList<Element>();
 collectElementChain(chain, getElement(), hElem);
 TreeItem item = findItemByChain(chain, 0, root);
 if (item != null && item != root) {
  if (item.getChildCount() > 0
    && item.getImageElement().isOrHasChild(hElem)) {
   item.setState(!item.getState(), true);
   return true;
  } else if (item.getElement().isOrHasChild(hElem)) {
   onSelection(item, true, !shouldTreeDelegateFocusToElement(hElem));
   return true;
  }
 }
 return false;
}

代码示例来源：origin: net.wetheinter/gwt-user

private boolean elementClicked(Element hElem) {
 ArrayList<Element> chain = new ArrayList<Element>();
 collectElementChain(chain, getElement(), hElem);
 TreeItem item = findItemByChain(chain, 0, root);
 if (item != null && item != root) {
  if (item.getChildCount() > 0
    && item.getImageElement().isOrHasChild(hElem)) {
   item.setState(!item.getState(), true);
   return true;
  } else if (item.getElement().isOrHasChild(hElem)) {
   onSelection(item, true, !shouldTreeDelegateFocusToElement(hElem));
   return true;
  }
 }
 return false;
}

代码示例来源：origin: net.wetheinter/gwt-user

if (event.getKeyCode() == KeyCodes.KEY_TAB) {
 ArrayList<Element> chain = new ArrayList<Element>();
 collectElementChain(chain, getElement(), DOM.eventGetTarget(event));
 TreeItem item = findItemByChain(chain, 0, root);
 if (item != getSelectedItem()) {

代码示例来源：origin: com.vaadin.external.gwt/gwt-user

if (event.getKeyCode() == KeyCodes.KEY_TAB) {
 ArrayList<Element> chain = new ArrayList<Element>();
 collectElementChain(chain, getElement(), DOM.eventGetTarget(event));
 TreeItem item = findItemByChain(chain, 0, root);
 if (item != getSelectedItem()) {