Example usage for com.google.gwt.widgetideas.client HasFastTreeItems addItem

Introduction

In this page you can find the example usage for com.google.gwt.widgetideas.client HasFastTreeItems addItem.

Prototype

FastTreeItem addItem(Widget widget);

Source Link

Document

Adds a child tree item containing the specified widget.

Usage

From source file:com.google.gwt.demos.fasttree.client.FastTreeDemo.java

License:Apache License

private void lazyCreateChild(final HasFastTreeItems parent, final int index, final int children) {

    FastTreeItem item = new FastTreeItem("child" + index + " (" + children + " children)") {
        public void ensureChildren() {
            for (int i = 0; i < children; i++) {
                lazyCreateChild(this, i, children + (i * 10));
            }//ww  w.  ja  va  2  s .  com
        }
    };
    item.becomeInteriorNode();
    parent.addItem(item);
}

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From source file:com.google.gwt.demos.fasttree.client.FastTreeDemo.java

License:Apache License

private void verboseTreeItem(HasFastTreeItems parent, int children) {
    for (int i = 0; i < children; i++) {
        final int index = i;

        FastTreeItem item = new ListeningFastTreeItem("child " + i) {

            public void beforeClose() {
                Window.alert("Close item" + index);
            }/*from  w w w  .ja va2s. c o  m*/

            public void beforeOpen() {
                Window.alert("Open item " + index);
            }

            protected boolean beforeSelectionLost() {
                return DOMHelper.confirm("Are you sure you want to leave me?");
            }

            protected void ensureChildren() {
                Window.alert("You are about to open my children for the first time");
            }

            protected void onSelected() {
                Window.alert("You selected item " + index);
            }
        };
        parent.addItem(item);
        verboseTreeItem(item, children - (i + 1));
    }
}

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