. . . . . . . . . . . . . . . . . . . . . . . . . . . 290 25.4. Avoid changes at the component tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290 bookmarkable page) and added to a parental component. As soon as the component is contained in a component tree rooted in a page, a “post”-constructor onInitialize() is called where we can execute custom initialization code... } }); 19.2.7. Tree repeaters Class org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree is the base class of another family of repeaters called tree repeaters and designed to

. . . . . . . . . . . . . . . . . . . . . . . . . . . 291 25.4. Avoid changes at the component tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291 code... } }); 19.2.7. Tree repeaters Class org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree is the base class of another family of repeaters called tree repeaters and designed to to display a data hierarchy as a tree, resembling the behavior and the look & feel of desktop tree components. A classic example of tree component on desktop is the tree used by nearly all file managers

. . . . . . . . . . . . . . . . . . . . . . . . . . . 279 25.4. Avoid changes at the component tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279 bookmarkable page) and added to a parental component. As soon as the component is contained in a component tree rooted in a page, a “post”-constructor onInitialize() is called where we can execute custom initialization close(AjaxRequestTarget target). 19.2.7. Tree repeaters Class org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree is the base class of another family of repeaters called tree repeaters and designed to

. . . . . . . . . . . . . . . . . . . . . . . . . . . 278 25.4. Avoid changes at the component tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278 bookmarkable page) and added to a parental component. As soon as the component is contained in a component tree rooted in a page, a “post”-constructor onInitialize() is called where we can execute custom initialization close(AjaxRequestTarget target). 19.2.7. Tree repeaters Class org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree is the base class of another family of repeaters called tree repeaters and designed to