public void removeSelected() {
final CategoryItem parent =
((CategoryItem) navTreeWidget.getSelectedItem().getUserObject()).getParent();
if (parent != null) {
parent.removeChildren(getSelectedCategory().getName());
} else {
categories.removeChildren(getSelectedCategory().getName());
}
navTreeWidget.getSelectedItem().remove();
}
protected void loadChildren(final TreeItem it, final CategoryItem category) {
for (final CategoryItem child : category.getChildren()) {
final TreeItem ct = buildTreeItem(child);
it.addItem(ct);
if (child.hasChild()) {
loadChildren(ct, child);
}
}
}
protected void buildTree(final Categories categories) {
final TreeItem root = new TreeItem();
root.setHTML(AbstractImagePrototype.create(ImageResources.INSTANCE.desc()).getHTML());
navTreeWidget.addItem(root);
for (final CategoryItem category : categories) {
final TreeItem it = buildTreeItem(category);
root.addItem(it);
if (category.hasChild()) {
loadChildren(it, category);
}
}
root.setState(true);
}
private String getTitle(CategoryItem categoryItem) {
if (categoryItem == null) {
return Constants.INSTANCE.CreateANewTopLevelCategory();
} else {
return Constants.INSTANCE.CreateNewCategoryUnder0(categoryItem.getName());
}
}
public TreeItem buildTreeItem(final CategoryItem category) {
final TreeItem it = new TreeItem();
it.setHTML(
AbstractImagePrototype.create(ImageResources.INSTANCE.categorySmall()).getHTML()
+ h(category.getName()));
it.setUserObject(category);
return it;
}
public void addChildren(final CategoryItem parent, final String name, final String description) {
final CategoryItem child = parent.addChildren(name, description);
final TreeItem parentTree;
if (getSelectedCategory() == null) {
parentTree = navTreeWidget.getItem(0);
} else {
parentTree = navTreeWidget.getSelectedItem();
}
final TreeItem ct = buildTreeItem(child);
parentTree.addItem(ct);
parentTree.setState(true);
}
void ok() {
if ("".equals(this.name.getText())) {
ErrorPopup.showMessage(Constants.INSTANCE.CanNotHaveAnEmptyCategoryName());
} else {
if (parent.contains(name.getText())) {
ErrorPopup.showMessage(Constants.INSTANCE.CategoryWasNotSuccessfullyCreated());
} else {
isDirty = true;
explorer.addChildren(parent, name.getText(), description.getText());
hide();
}
}
}