GWT in Action, Second Edition

10.6. Browsing a CellBrowser

CellBrowser is an implementation of Miller Columns, allowing for quick navigation of tree-like data via a series of columns—each column contains all the nodes of a particular level in the tree. Figure 10.18 shows this in action.

Figure 10.18. A CellBrowser widget in action

Creating a CellBrowser is similar to creating a CellTree but slightly different. You still need to create a TreeViewModel as in the CellTree (and our cellBrowser.Cell-BrowserExample example uses exactly the same one as the CellTree example), but you don’t directly create a CellBrowser object. Instead, you create a Builder object whose type parameter ...