private void buildLessonTree(Response response) {
TreeItem item = null;
JsArray<LessonCategoryJS> lessonJSArray = JsonUtils.safeEval(response.getText());
for (int i = 0; i < lessonJSArray.length(); i++) {
LessonCategoryJS lessonCategoryJS = lessonJSArray.get(i);
TreeItem category = new TreeItem();
category.setText(lessonCategoryJS.getName());
JsArray<LessonJS> lessons = lessonCategoryJS.getChildren();
for (int j = 0; j < lessons.length(); j++) {
LessonJS lesson = lessons.get(j);
TreeItem lessonItem = new TreeItem();
Storage sessionStorage = Storage.getSessionStorageIfSupported();
String lastUrl = sessionStorage.getItem("lastUrl");
lessonItem.setText(lesson.getText());
category.addItem(lessonItem);
lessonsTreeMap.put(lessonItem.getText(), lesson);
if (lesson.getTechnology().equals(LessonTechnology.GWT.toString())) {
addLessonToMap(lesson);
}
if (lastUrl != null && lastUrl.equals(lesson.getUrl())) {
item = lessonItem;
lessonPanel.setSelectedLesson(lesson);
category.setState(true);
}
}
lessonTree.addItem(category);
}
lessonTree.setSelectedItem(item);
}
public LessonsComposite() {
initWidget(uiBinder.createAndBindUi(this));
setWidth("100%");
setHeight(Window.getClientHeight() + "px");
lessonTreeTitle.getElement().getStyle().setFontSize(16, Style.Unit.PX);
lessonPanel.setLessonsMap(lessonViewNameToWidgetMap);
getAllTreeLessons();
initLessonTree();
}