Example usage for com.google.gwt.user.client.ui Tree getItem

List of usage examples for com.google.gwt.user.client.ui Tree getItem

  1. HOME
  2. Java
  3. com.google.gwt
  4. com.google.gwt.user.client.ui.*
  5. Tree
  6. getItem

Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui Tree getItem.

Prototype

public TreeItem getItem(int index)

Source Link

Document

Gets the top-level tree item at the specified index.

Usage

From source file:cc.alcina.framework.gwt.client.widget.TreeNodeWalker.java

License:Apache License

public void walk(Tree tree, Callback callback) {
    Stack<TreeItem> items = new Stack<TreeItem>();
    int itemCount = tree.getItemCount();
    for (int i = 0; i < itemCount; i++) {
        items.push(tree.getItem(i));
    }/* ww  w  .  j a v a 2s . c o m*/
    while (!items.isEmpty()) {
        TreeItem pop = items.pop();
        callback.apply(pop);
        for (int i = 0; i < pop.getChildCount(); i++) {
            items.push(pop.getChild(i));
        }
    }
}

From source file:edu.ucdenver.bios.glimmpseweb.client.TreeItemIterator.java

License:Open Source License

/**
 * Visit each node in the tree using depth first search
 * @param tree tree widget//  ww  w.ja  va 2  s  .c om
 * @param action action to perform at each node
 */
public static void traverseDepthFirst(Tree tree, TreeItemAction action) {
    if (tree != null && action != null) {
        TreeItem root = tree.getItem(0);
        traverseDepthFirst(root, action, 1, 0);
    }
}

From source file:fast.mediation.client.gui.MediationRuleGUI.java

License:Open Source License

@Override
public void buildFactsTree(Tree aFactsTree) {
    //(re)build the facts tree 
    aFactsTree.clear();//from  ww  w .  ja v  a2s.c om

    TreeItem rootItem = aFactsTree.addItem("Facts:");

    transform(jsonValue, rootRule, rootItem);

    //This expand the HOLE tree
    RuleUtil.expandItem(aFactsTree.getItem(0));
}

From source file:fast.servicescreen.client.gui.RuleGUI.java

License:Open Source License

protected void buildFactsTree(Tree aFactsTree) {
    //(re)build the facts tree 
    aFactsTree.clear();//from  w w  w  .ja va2s .c om

    TreeItem rootItem = aFactsTree.addItem("Facts:");

    try {
        transform(requestHandler.xmlDoc, rootRule, rootItem);
    } catch (Exception e) {
        e.printStackTrace();
    }

    RuleUtil.expandItem(aFactsTree.getItem(0));

}

From source file:fast.servicescreen.client.gui.RuleUtil.java

License:Open Source License

/**
 * expands a tree to level 3//from w  ww.j a  v a 2 s  . co m
 * */
public static void expandTree(Tree tree) {
    TreeItem tempItem = tree.getItem(0);
    if (tempItem != null)
        tempItem.setState(true);

    for (int i = 0; i < tempItem.getChildCount(); i++) {
        TreeItem tempChild = tempItem.getChild(i);
        if (tempChild != null) {
            for (int j = 0; j < tempChild.getChildCount(); j++) {
                TreeItem tempKid = tempChild.getChild(j);
                if (tempKid != null) {
                    tempKid.setState(true);
                }
            }
            tempChild.setState(true);
        }
    }
}

From source file:net.husoftware.client.spike.DragDropLabel.java

License:Open Source License

private void initDrop() {
    addDomHandler(new DragOverHandler() {
        @Override//from   w w w.  j  a va2s.co m
        public void onDragOver(DragOverEvent event) {
            addStyleName("dropping");
        }
    }, DragOverEvent.getType());

    addDomHandler(new DragLeaveHandler() {
        @Override
        public void onDragLeave(DragLeaveEvent event) {
            removeStyleName("dropping");
        }
    }, DragLeaveEvent.getType());

    addDomHandler(new DropHandler() {
        @Override
        public void onDrop(DropEvent event) {
            event.preventDefault();
            if (dragging != null) {
                // Target treeitem is found via 'this';
                // Dragged treeitem is found via 'dragging'.

                TreeItem dragTarget = null;
                TreeItem dragSource = null;

                // The parent of 'this' is not the TreeItem, as that's not a Widget.
                // The parent is the tree containing the treeitem.
                Tree tree = (Tree) DragDropLabel.this.getParent();

                // Visit the entire tree, searching for the drag and drop TreeItems

                List<TreeItem> stack = new ArrayList<TreeItem>();
                stack.add(tree.getItem(0));
                while (!stack.isEmpty()) {
                    TreeItem item = stack.remove(0);
                    for (int i = 0; i < item.getChildCount(); i++) {
                        stack.add(item.getChild(i));
                    }

                    Widget w = item.getWidget();
                    if (w != null) {
                        if (w == dragging) {
                            dragSource = item;
                            if (dragTarget != null) {
                                break;
                            }
                        }
                        if (w == DragDropLabel.this) {
                            dragTarget = item;
                            w.removeStyleName("dropping");
                            if (dragSource != null) {
                                break;
                            }
                        }
                    }
                }

                // Do we have a source and a target?
                if (dragSource != null && dragTarget != null) {
                    // Make sure that target is not a child of dragSource

                    TreeItem test = dragTarget;
                    while (test != null) {
                        if (test == dragSource) {
                            return;
                        }
                        test = test.getParentItem();
                    }

                    // Move the dragged item (source) under the target.
                    dragTarget.addItem(dragSource);
                    // Make sure the the target treeitem is open.
                    dragTarget.setState(true);
                }
                dragging = null;
            }
        }
    }, DropEvent.getType());
}

From source file:net.husoftware.client.spike.DragDropTree.java

License:Open Source License

@Override
public void onModuleLoad() {
    Tree tree = new Tree();

    RootPanel.get("main").add(tree);

    // root is not draggable.
    TreeItem treeItem = new TreeItem(new DragDropLabel("root", false, true));
    tree.addItem(treeItem);//from   w  ww  .  j  a v a2 s  . c o m

    // Add some folders
    treeItem.addItem(new DragDropLabel("folder1", true, true));
    treeItem.addItem(new DragDropLabel("folder2", true, true));

    TreeItem folder3 = treeItem.addItem(new DragDropLabel("folder3", true, true));
    folder3.addItem(new DragDropLabel("folder3-1", true, true));
    folder3.addItem(new DragDropLabel("folder3-2", true, true));

    // Add some leaves to the tree
    List<TreeItem> stack = new ArrayList<TreeItem>();
    stack.add(tree.getItem(0));

    int filenum = 1;
    while (!stack.isEmpty()) {
        TreeItem item = stack.remove(0);
        for (int i = 0; i < item.getChildCount(); i++) {
            stack.add(item.getChild(i));
        }

        int files = Random.nextInt(4) + 1;
        for (int j = 0; j < files; j++) {
            item.addItem(new TreeItem(new DragDropLabel("File " + filenum, true, false)));
            filenum++;
        }
        item.setState(true);
    }
}

From source file:org.ednovo.gooru.client.mvp.gshelf.ShelfMainView.java

License:Open Source License

public void adjustTreeItemElementsStyle(Tree shelfTreePanel) {
    int treeItemsCount;
    if (shelfTreePanel != null) {
        treeItemsCount = shelfTreePanel.getItemCount();
        if (treeItemsCount > 0) {
            for (int i = 0; i < treeItemsCount; i++) {
                TreeItem treeItem = shelfTreePanel.getItem(i);
                Widget shelfWidget = treeItem.getWidget();
                if (shelfWidget instanceof ShelfTreeWidget) {
                    adjustChildTreeItemsStyle(treeItem);
                }//w w  w  .j ava2 s.  c om
                correctStyle(treeItem);
            }
        }
    }
}

From source file:org.ednovo.gooru.client.mvp.shelf.list.ShelfListView.java

License:Open Source License

public void adjustTreeItemElementsStyle(Tree shelfTreePanel) {
    int treeItemsCount = shelfTreePanel.getItemCount();
    if (shelfTreePanel != null && treeItemsCount > 0) {
        for (int i = 0; i < treeItemsCount; i++) {
            TreeItem treeItem = shelfTreePanel.getItem(i);
            Widget shelfWidget = treeItem.getWidget();
            if (shelfWidget instanceof ShelfCollection) {
                adjustChildTreeItemsStyle(treeItem);
            }/*from   w  ww .j  a v a  2 s.  c  om*/
            correctStyle(treeItem);
        }
    }
}

From source file:org.pentaho.pat.client.ui.popups.CellModeMenu.java

License:Open Source License

protected final String getDimensionName(final CellLabelPanel targetLabel) {
    final Tree tree = (Tree) targetLabel.getParent();
    final TreeItem rootItem = tree.getItem(0);
    final Label widget = (Label) rootItem.getWidget();

    return widget.getText();
}