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 void onResponseReceived(Request request, Response response) {
if (200 == response.getStatusCode()) {
addTreeItems(response);
if (treeItem.getText().equals(constants.rootItemDescription()))
treeItem.setState(true, true);
} else {
GWT.log("ResourceTree - Couldn't retrieve JSON for request : " + request.toString(), null);
}
}
/**
* Checks if the <tt>FormDefVersion (s)</tt> on the <tt>Tree View</tt> are unique.
*
* @param tree <tt>Tree</tt> we checking <tt>FormDef</tt> items from.
* @param formItem <tt>FormDef</tt> we checking for unique <tt>FormDefVersion (s).</tt>
*/
private static boolean checkFormVersionItems(Tree tree, TreeItem formItem) {
if (formItem.getChildCount() > 0) {
Map<String, String> formVersionMap = new HashMap<String, String>();
int ct1 = formItem.getChildCount();
for (int l = 0; l < ct1; ) {
TreeItem formVItem = formItem.getChild(l);
if (formVersionMap.containsKey(formVItem.getText().toLowerCase())) {
tree.setSelectedItem(formVItem);
// TODO add message for internationalization purposes
Window.alert("A form version with that same name already exists :" + formVItem.getText());
return false;
} else {
formVersionMap.put(formVItem.getText().toLowerCase(), formVItem.getText());
return true;
}
}
}
return true;
}
private String getPath(TreeItem treeItem) {
Stack<String> pathStack = new Stack<String>();
while (treeItem != trtmRoot) {
pathStack.add(treeItem.getText());
treeItem = treeItem.getParentItem();
}
StringBuilder path = new StringBuilder("/");
while (!pathStack.isEmpty()) {
path.append(pathStack.pop());
path.append('/');
}
return path.toString();
}
@Override
public void onSelection(SelectionEvent<TreeItem> event) {
TreeItem item = event.getSelectedItem();
currentlySelected = item;
TreeItem child = item.getChild(0);
if (child != null && child.getText().equals(DatasetWidget.LOADING)) {
CategorySerializable cat = (CategorySerializable) item.getUserObject();
Util.getRPCService().getCategories(cat.getID(), null, categoryCallback);
}
// Open the item. Work around double firing bug.
// http://code.google.com/p/google-web-toolkit/issues/detail?id=3660&q=Tree%20selection&colspec=ID%20Type%20Status%20Owner%20Milestone%20Summary%20Stars
TreeItem selItem = event.getSelectedItem();
TreeItem parent = selItem.getParentItem();
selItem.getTree().setSelectedItem(parent, false); // null is ok
if (parent != null) parent.setSelected(false); // not compulsory
selItem.setState(!selItem.getState(), false);
}
public void updateTreeItems(TreeItem treeItem, List<FileWrapper> list) {
if (treeItem == null) treeItem = trtmRoot;
int index = 0, numberOfChildren = treeItem.getChildCount();
int newIndex = 0, numberOfNewChildren = list.size();
while (newIndex < numberOfNewChildren && index < numberOfChildren) {
FileWrapper fileWrapper = list.get(newIndex);
if (fileWrapper.getKind() != FileType.DIR) {
break;
}
TreeItem child = treeItem.getChild(index);
int diff = child.getText().compareTo(fileWrapper.getName());
if (diff < 0) {
treeItem.removeItem(child);
} else if (diff > 0) {
TreeItem trtmNewItem = new TreeItem();
treeItem.insertItem(index, trtmNewItem);
trtmNewItem.setText(fileWrapper.getName());
index++;
numberOfChildren++;
newIndex++;
presenter.getFiles(trtmNewItem, getPath(trtmNewItem));
} else {
index++;
newIndex++;
presenter.getFiles(child, getPath(child));
}
}
while (newIndex < numberOfNewChildren) {
FileWrapper fileWrapper = list.get(newIndex++);
if (fileWrapper.getKind() != FileType.DIR) {
break;
}
TreeItem trtmNewItem = new TreeItem();
treeItem.addItem(trtmNewItem);
trtmNewItem.setText(fileWrapper.getName());
presenter.getFiles(trtmNewItem, getPath(trtmNewItem));
}
while (index < numberOfChildren) {
treeItem.removeItem(treeItem.getChild(index));
numberOfChildren--;
}
}
// Show the associated widget in the deck panel
public void onSelection(SelectionEvent<TreeItem> event) {
TreeItem node = event.getSelectedItem();
Object userObject = node.getUserObject();
TabOpener opener = TabOpener.getInstance();
if (userObject != null) {
if (userObject instanceof PackageConfigData && !((PackageConfigData) userObject).isGlobal()) {
PackageConfigData pc = (PackageConfigData) userObject;
RulePackageSelector.currentlySelectedPackage = pc.name;
String uuid = pc.uuid;
opener.openPackageEditor(
uuid,
new Command() {
public void execute() {
// refresh the package tree.
refreshTree();
}
});
} else if (userObject instanceof String[]) {
final String[] formats = (String[]) userObject;
final PackageConfigData packageConfigData =
(PackageConfigData) node.getParentItem().getUserObject();
RulePackageSelector.currentlySelectedPackage = packageConfigData.name;
String key = key(formats, packageConfigData);
opener.openPackageViewAssets(
packageConfigData.uuid,
packageConfigData.name,
key,
formats.length == 0 ? null : Arrays.asList(formats),
formats.length == 0 ? Boolean.TRUE : null,
node.getText());
} else if (userObject instanceof String) {
// Ignore, there is no click event for this.
} else {
throw new IllegalArgumentException("The userObject (" + userObject + ") is not supported.");
}
}
}
/**
* Checks if the list of studies is valid for saving.
*
* @return true if valid, else false.
*/
public static boolean isValidStudyList(Tree tree) {
int index = tree.getItemCount();
Map<String, String> map = new HashMap<String, String>();
for (int j = 0; j < index; j++) {
TreeItem studyItem = tree.getItem(j);
if (map.containsKey(tree.getItem(j).getText().toLowerCase())) {
tree.setSelectedItem(studyItem);
// TODO add message for internationalization purposes
Window.alert("A study with that same name already exists :" + studyItem.getText());
return false;
} else {
map.put(studyItem.getText().toLowerCase(), studyItem.getText());
}
if (studyItem.getChildCount() > 0) {
Map<String, String> formMap = new HashMap<String, String>();
int ct = studyItem.getChildCount();
for (int k = 0; k < ct; ) {
TreeItem formItem = studyItem.getChild(k);
if (formMap.containsKey(formItem.getText().toLowerCase())) {
tree.setSelectedItem(formItem);
// TODO add message for internationalization purposes
Window.alert("A form with that same name already exists :" + formItem.getText());
return false;
} else {
formMap.put(formItem.getText().toLowerCase(), formItem.getText());
}
return checkFormVersionItems(tree, formItem);
}
}
}
return true;
}
