本文整理汇总了Java中com.google.gwt.user.client.ui.TreeItem.getChild方法的典型用法代码示例。如果您正苦于以下问题：Java TreeItem.getChild方法的具体用法？Java TreeItem.getChild怎么用？Java TreeItem.getChild使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.google.gwt.user.client.ui.TreeItem的用法示例。
在下文中一共展示了TreeItem.getChild方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: onSelection
import com.google.gwt.user.client.ui.TreeItem; //导入方法依赖的package包/类
@Override
public void onSelection(SelectionEvent<TreeItem> event) {
TreeItem item = event.getSelectedItem();
currentlySelected = item;
TreeItem child = item.getChild(0);
if ( child != null && child.getText().equals(DatasetWidget.LOADING) ) {
CategorySerializable cat = (CategorySerializable) item.getUserObject();
Util.getRPCService().getCategories(cat.getID(), null, categoryCallback);
}
// Open the item. Work around double firing bug.
// http://code.google.com/p/google-web-toolkit/issues/detail?id=3660&q=Tree%20selection&colspec=ID%20Type%20Status%20Owner%20Milestone%20Summary%20Stars
TreeItem selItem = event.getSelectedItem();
TreeItem parent = selItem.getParentItem();
selItem.getTree().setSelectedItem(parent, false); // null is ok
if(parent != null)
parent.setSelected(false); // not compulsory
selItem.setState(!selItem.getState(), false);
}
示例2: checkChildrenState
import com.google.gwt.user.client.ui.TreeItem; //导入方法依赖的package包/类
private void checkChildrenState(TreeItem treeItem, Boolean value) {
int childCount = treeItem.getChildCount();
if (childCount == 0) {
return;
}
for (int i = 0; i < childCount; i++) {
TreeItem childItem = treeItem.getChild(i);
if (!(childItem.getWidget() instanceof FlowPanel)) {
return;
}
FlowPanel childItemContainer = (FlowPanel) childItem.getWidget();
if (!(childItemContainer.getWidget(0) instanceof CheckBox)) {
return;
}
CheckBox childCheckBox = (CheckBox) childItemContainer.getWidget(0);
childCheckBox.setValue(value);
checkChildrenState(childItem, value);
}
}
示例3: removeChildrenXKeepButtons
import com.google.gwt.user.client.ui.TreeItem; //导入方法依赖的package包/类
public static Vector removeChildrenXKeepButtons(TreeItem parentTreeItem, String name) {
Vector itemsToDelete = new Vector();
Vector buttonTreeItems = new Vector();
for (int i = 0; i < parentTreeItem.getChildCount(); i++) {
TreeItem treeItem = parentTreeItem.getChild(i);
if (treeItem.getUserObject() != null) {
if (treeItem.getUserObject().equals(name)) {
itemsToDelete.add(treeItem);
}
else if (((String) treeItem.getUserObject()).startsWith(ApplicationItem.button)) {
buttonTreeItems.add(treeItem);
itemsToDelete.add(treeItem);
}
}
}
Iterator itemsToDeleteIterator = itemsToDelete.iterator();
while(itemsToDeleteIterator.hasNext()) {
parentTreeItem.removeItem((TreeItem) itemsToDeleteIterator.next());
}
return buttonTreeItems;
}
示例4: changePathBeforeRenaming
import com.google.gwt.user.client.ui.TreeItem; //导入方法依赖的package包/类
/**
* Change recursivelly all the childs path
*
* @param oldPath
* The old path
* @param newPath
* The new path
* @param itemToChange
* The tree item to change the path
*/
public void changePathBeforeRenaming(String oldPath, String newPath, TreeItem itemToChange) {
for (int i = 0; i < itemToChange.getChildCount(); i++) {
TreeItem tmpItem = itemToChange.getChild(i);
GWTFolder gwtFolder = ((GWTFolder) tmpItem.getUserObject());
gwtFolder.setPath(gwtFolder.getPath().replaceAll(oldPath, newPath));
gwtFolder.setParentPath(gwtFolder.getParentPath().replaceAll(oldPath, newPath));
if (tmpItem.getChildCount() > 0) {
changePathBeforeRenaming(oldPath, newPath, tmpItem);
}
}
}
示例5: updateInformation
import com.google.gwt.user.client.ui.TreeItem; //导入方法依赖的package包/类
@Override
public void updateInformation(List<SimpleUser> information, UIObject parent) {
if(information == null) {
//..
} else {
List<SimpleUser> userlist = information;
TreeItem item = (TreeItem) parent;
if(item.getText().length() == 1) item.removeItems(); // remove "Loading..." (w/ search field hack)
else
{
TreeItem seachField = item.getChild(0);
item.removeItems();
item.addItem(seachField);
}
if(userlist.isEmpty()) // if search field AND no user is found
{
Label noUserFoundLabel = new Label("Keinen Nutzer gefunden..");
item.addItem(noUserFoundLabel);
}
for(final SimpleUser user : userlist)
{
Panel p = new HorizontalPanel();
Anchor a = new Anchor(user.getName());
a.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
presenter.onUserClicked(user);
}
});
p.add(a);
if(user.isAdmin()) p.add(new Label(" (A)"));
// p.addStyleName();
item.addItem(p);
}
}
}
示例6: onSelection
import com.google.gwt.user.client.ui.TreeItem; //导入方法依赖的package包/类
@Override
public void onSelection(SelectionEvent<TreeItem> event) {
if ( (view != null) && (event != null) ) {
Object source = event.getSource();
// Only proceed if the source was from the same panel or from
// the comparePanel
if ( (source != null) && (source instanceof HasName) ) {
String sourceName = ((HasName) source).getName();
String viewName = view.getName();
if ( ((viewName != null) && viewName.equalsIgnoreCase(sourceName)) || CONSTANTS.comparePanelName().equalsIgnoreCase(sourceName) ) { //$NON-NLS-1$
// Get variables from the tree
TreeItem selectedItem = event.getSelectedItem();
if ( selectedItem != null ) {
Object userObject = selectedItem.getUserObject();
if ( (userObject != null) && (userObject instanceof VariableSerializable) ) {
VariableSerializable selectedVariable = (VariableSerializable) userObject;
// Find all siblings if any
Vector<VariableSerializable> variables = new Vector<VariableSerializable>();
// Vector<TreeItem> children = new
// Vector<TreeItem>();
int selectedIndex = 0;
TreeItem parent = selectedItem.getParentItem();
if ( parent == null ) {
// There are no reachable siblings without a
// parent, so just use the selectedVariable
// and leave selectedIndex == 0
variables.add(selectedVariable);
// children.add(selectedItem);
} else {
for ( int i = 0; i < parent.getChildCount(); i++ ) {
TreeItem child = parent.getChild(i);
userObject = child.getUserObject();
if ( (userObject != null) && (userObject instanceof VariableSerializable) ) {
variables.add((VariableSerializable) userObject);
// children.add(child);
}
}
selectedIndex = variables.indexOf(selectedVariable);
}
// Add the variables to the view
view.setVariables(variables, selectedIndex);
}
}
}
}
}
}