本文整理了Java中com.google.gwt.user.client.ui.Tree.moveSelectionDown()方法的一些代码示例，展示了Tree.moveSelectionDown()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.moveSelectionDown()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：moveSelectionDown

Tree.moveSelectionDown介绍

[英]Moves to the next item, going into children as if dig is enabled.
[中]移动到下一项，进入子项，就像启用了dig一样。

代码示例

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

/**
 * Moves to the next item, going into children as if dig is enabled.
 */
private void moveSelectionDown(TreeItem sel, boolean dig) {
 if (sel == root) {
  return;
 }
 // Find a parent that is visible
 TreeItem topClosedParent = getTopClosedParent(sel);
 if (topClosedParent != null) {
  moveSelectionDown(topClosedParent, false);
  return;
 }
 TreeItem parent = sel.getParentItem();
 if (parent == null) {
  parent = root;
 }
 int idx = parent.getChildIndex(sel);
 if (!dig || !sel.getState()) {
  if (idx < parent.getChildCount() - 1) {
   onSelection(parent.getChild(idx + 1), true, true);
  } else {
   moveSelectionDown(parent, false);
  }
 } else if (sel.getChildCount() > 0) {
  onSelection(sel.getChild(0), true, true);
 }
}

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

private void keyboardNavigation(Event event) {
 // Handle keyboard events if keyboard navigation is enabled
 if (isKeyboardNavigationEnabled(curSelection)) {
  int code = event.getKeyCode();
  switch (KeyCodes.maybeSwapArrowKeysForRtl(code, LocaleInfo.getCurrentLocale().isRTL())) {
   case KeyCodes.KEY_UP: {
    moveSelectionUp(curSelection);
    break;
   }
   case KeyCodes.KEY_DOWN: {
    moveSelectionDown(curSelection, true);
    break;
   }
   case KeyCodes.KEY_LEFT: {
    maybeCollapseTreeItem();
    break;
   }
   case KeyCodes.KEY_RIGHT: {
    maybeExpandTreeItem();
    break;
   }
   default: {
    return;
   }
  }
 }
}

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

/**
 * Moves to the next item, going into children as if dig is enabled.
 */
private void moveSelectionDown(TreeItem sel, boolean dig) {
 if (sel == root) {
  return;
 }
 // Find a parent that is visible
 TreeItem topClosedParent = getTopClosedParent(sel);
 if (topClosedParent != null) {
  moveSelectionDown(topClosedParent, false);
  return;
 }
 TreeItem parent = sel.getParentItem();
 if (parent == null) {
  parent = root;
 }
 int idx = parent.getChildIndex(sel);
 if (!dig || !sel.getState()) {
  if (idx < parent.getChildCount() - 1) {
   onSelection(parent.getChild(idx + 1), true, true);
  } else {
   moveSelectionDown(parent, false);
  }
 } else if (sel.getChildCount() > 0) {
  onSelection(sel.getChild(0), true, true);
 }
}

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

/**
 * Moves to the next item, going into children as if dig is enabled.
 */
private void moveSelectionDown(TreeItem sel, boolean dig) {
 if (sel == root) {
  return;
 }
 // Find a parent that is visible
 TreeItem topClosedParent = getTopClosedParent(sel);
 if (topClosedParent != null) {
  moveSelectionDown(topClosedParent, false);
  return;
 }
 TreeItem parent = sel.getParentItem();
 if (parent == null) {
  parent = root;
 }
 int idx = parent.getChildIndex(sel);
 if (!dig || !sel.getState()) {
  if (idx < parent.getChildCount() - 1) {
   onSelection(parent.getChild(idx + 1), true, true);
  } else {
   moveSelectionDown(parent, false);
  }
 } else if (sel.getChildCount() > 0) {
  onSelection(sel.getChild(0), true, true);
 }
}

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

private void keyboardNavigation(Event event) {
 // Handle keyboard events if keyboard navigation is enabled
 if (isKeyboardNavigationEnabled(curSelection)) {
  int code = event.getKeyCode();
  switch (KeyCodes.maybeSwapArrowKeysForRtl(code, LocaleInfo.getCurrentLocale().isRTL())) {
   case KeyCodes.KEY_UP: {
    moveSelectionUp(curSelection);
    break;
   }
   case KeyCodes.KEY_DOWN: {
    moveSelectionDown(curSelection, true);
    break;
   }
   case KeyCodes.KEY_LEFT: {
    maybeCollapseTreeItem();
    break;
   }
   case KeyCodes.KEY_RIGHT: {
    maybeExpandTreeItem();
    break;
   }
   default: {
    return;
   }
  }
 }
}

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

private void keyboardNavigation(Event event) {
 // Handle keyboard events if keyboard navigation is enabled
 if (isKeyboardNavigationEnabled(curSelection)) {
  int code = event.getKeyCode();
  switch (KeyCodes.maybeSwapArrowKeysForRtl(code, LocaleInfo.getCurrentLocale().isRTL())) {
   case KeyCodes.KEY_UP: {
    moveSelectionUp(curSelection);
    break;
   }
   case KeyCodes.KEY_DOWN: {
    moveSelectionDown(curSelection, true);
    break;
   }
   case KeyCodes.KEY_LEFT: {
    maybeCollapseTreeItem();
    break;
   }
   case KeyCodes.KEY_RIGHT: {
    maybeExpandTreeItem();
    break;
   }
   default: {
    return;
   }
  }
 }
}