Java 类com.google.gwt.user.client.ui.TreeItem 实例源码

项目：DocIT 文件：TreePanel.java

public TreePanel(GwtTree main) {
    this.main = main;

    this.addSelectionHandler(new SelectionHandler<TreeItem>() {

        @Override
        public void onSelection(SelectionEvent<TreeItem> event) {
            Object obj = event.getSelectedItem().getUserObject();
            if (obj instanceof CompanyItem) {
                TreePanel.this.main.showCompany(((CompanyItem)obj).getId());
            } else if (obj instanceof DepartmentItem) {
                TreePanel.this.main.showDepartment(((DepartmentItem)obj).getId());
            } else if (obj instanceof EmployeeItem) {
                TreePanel.this.main.showEmployee(((EmployeeItem)obj).getId());
            }
        }
    });
}

项目：EasyML 文件：CopyOfModuleTree.java

/**
 * Find the TreeItem for a category. If it not exists, create it.
 * TODO: reconstruct
 * @param category category of a moduleId
 * @return TreeItem of the moduleId corresponding to the category
 */
public TreeItem findTreeItem(String category) {
    // default return the system Tree
    if (category.equals(""))
        return getSysTree();

    TreeItem treeItem = sysTreeMap.get(category);
    if (treeItem == null) {
        // Category doesn't exist, create new TreeItems
        int splitIdx = category.lastIndexOf('>');
        String parentCategory = category.substring(0, splitIdx);
        String cateName = category.substring(splitIdx + 1, category.length());
        TreeItem parentItem = findTreeItem(parentCategory);

        //      treeItem = parentItem.addTextItem(cateName);
        treeItem = parentItem.addTextItem(Globalization.getI18NString(cateName));
        treeItem.setState(true);
        sysTreeMap.put(category, treeItem);
    }
    return treeItem;
}

项目：EasyML 文件：BaseTree.java

public BaseTree() {
    super(new TreeImageResources(), true);

    this.addStyleName("bda-treedir");

    this.addSelectionHandler(new SelectionHandler<TreeItem>() {
        @Override
        public void onSelection(SelectionEvent<TreeItem> event) {
            TreeItem item = event.getSelectedItem();
            Boolean state = item.getState();
            // [GWT Issue 3660] to avoid pass invoke onSection two times
            TreeItem parent = item.getParentItem();
            item.getTree().setSelectedItem(parent, false);
            if (parent != null)
                parent.setSelected(false);
            item.setState(!state);
        }
    });
}

项目：appinventor-extensions 文件：AssetList.java

private void refreshAssetList() {
  OdeLog.log("AssetList: refreshing for project " + projectId);
  assetList.clear();

  if (assetsFolder != null) {
    for (ProjectNode node : assetsFolder.getChildren()) {
      // Add the name to the tree. We need to enclose it in a span
      // because the CSS style for selection specifies a span.
      String nodeName = node.getName();
      if (nodeName.length() > 20)
        nodeName = nodeName.substring(0, 8) + "..." + nodeName.substring(nodeName.length() - 9,
            nodeName.length());
      TreeItem treeItem = new TreeItem(
          new HTML("<span>" + nodeName + "</span>"));
      // keep a pointer from the tree item back to the actual node
      treeItem.setUserObject(node);
      assetList.addItem(treeItem);
    }
  }
}

项目：appinventor-extensions 文件：BlockSelectorBox.java

/**
 * Constructs a tree item for built-in blocks.
 *
 * @return tree item
 */
public TreeItem getBuiltInBlocksTree() {
  initBundledImages();
  TreeItem builtinNode = new TreeItem(new HTML("<span>" + MESSAGES.builtinBlocksLabel()
      + "</span>"));
  for (final String drawerName : BUILTIN_DRAWER_NAMES) {
    Image drawerImage = new Image(bundledImages.get(drawerName));
    TreeItem itemNode = new TreeItem(new HTML("<span>" + drawerImage
        + getBuiltinDrawerNames(drawerName) + "</span>"));
    SourceStructureExplorerItem sourceItem = new BlockSelectorItem() {
      @Override
      public void onSelected() {
        fireBuiltinDrawerSelected(drawerName);
      }
    };
    itemNode.setUserObject(sourceItem);
    builtinNode.addItem(itemNode);
  }
  builtinNode.setState(true);
  return builtinNode;
}

项目：appinventor-extensions 文件：BlockSelectorBox.java

/**
 * Constructs a tree item for generic ("Advanced") component blocks for
 * component types that appear in form.
 *
 * @param form
 *          only component types that appear in this Form will be included
 * @return tree item for this form
 */
public TreeItem getGenericComponentsTree(MockForm form) {
  Map<String, String> typesAndIcons = Maps.newHashMap();
  form.collectTypesAndIcons(typesAndIcons);
  TreeItem advanced = new TreeItem(new HTML("<span>" + MESSAGES.anyComponentLabel() + "</span>"));
  List<String> typeList = new ArrayList<String>(typesAndIcons.keySet());
  Collections.sort(typeList);
  for (final String typeName : typeList) {
    TreeItem itemNode = new TreeItem(new HTML("<span>" + typesAndIcons.get(typeName)
        + MESSAGES.textAnyComponentLabel()
        + ComponentsTranslation.getComponentName(typeName) + "</span>"));
    SourceStructureExplorerItem sourceItem = new BlockSelectorItem() {
      @Override
      public void onSelected() {
        fireGenericDrawerSelected(typeName);
      }
    };
    itemNode.setUserObject(sourceItem);
    advanced.addItem(itemNode);
  }
  return advanced;
}

项目：LAS 文件：OutputPanel.java

@Override
public void onSelection(SelectionEvent<TreeItem> event) {
    DatasetWidget datasetWidget = datasetButton.getDatasetWidget();
    boolean isFromMyDatasetWidget = event.getSource().equals(datasetWidget);
    if (isFromMyDatasetWidget) {
        TreeItem item = event.getSelectedItem();
        Object variableUserObject = item.getUserObject();
        if (variableUserObject instanceof VariableSerializable) {
            VariableSerializable variable = (VariableSerializable) variableUserObject;
            // Remove extra variable UserLists before
            // applyVariableChange
            // TODO: Replace this with a higher level method or use
            // events
            variableControls.removeListBoxesExceptFirst();
            if ( variable.getAttributes().get("grid_type").equals(vizGalVariable.getAttributes().get("grid_type") )) {
                applyVariableChange(variable, true);
            } else {
                Window.alert("LAS cannot compare data on a grid with in-situ data.");
            }
        }
    }
}

项目：LAS 文件：DatasetWidget.java

@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);

}