public void testTree() {
Tree tree = widgetUi.myTree;
TreeItem complexItem = widgetUi.myTreeItemC;
// top level items
assertEquals(3, tree.getItemCount());
assertSame(widgetUi.myTreeItemA, tree.getItem(0));
assertSame(widgetUi.myTreeWidgetB, tree.getItem(1).getWidget());
assertSame(complexItem, tree.getItem(2));
// complex item
assertSame(2, complexItem.getChildCount());
assertSame(widgetUi.myTreeItemCA, complexItem.getChild(0));
assertSame(widgetUi.myTreeWidgetCB, complexItem.getChild(1).getWidget());
}
/**
* Change de tree view
*
* @param view New view to see
*/
public void changeView(int view) {
actualItem = rootItem;
while (actualItem.getChildCount() > 0) {
actualItem.getChild(0).remove();
}
switch (view) {
case UIDesktopConstants.NAVIGATOR_TAXONOMY:
Main.get().activeFolderTree.folderSelectPopup.enableTaxonomy();
case UIDesktopConstants.NAVIGATOR_TRASH:
getRoot();
break;
case UIDesktopConstants.NAVIGATOR_CATEGORIES:
Main.get().activeFolderTree.folderSelectPopup.enableCategories();
getTemplatesFolder();
break;
case UIDesktopConstants.NAVIGATOR_TEMPLATES:
Main.get().activeFolderTree.folderSelectPopup.enableTemplates();
getTemplatesFolder();
break;
case UIDesktopConstants.NAVIGATOR_PERSONAL:
Main.get().activeFolderTree.folderSelectPopup.enableMyDocuments();
getPersonal();
break;
case UIDesktopConstants.NAVIGATOR_MAIL:
Main.get().activeFolderTree.folderSelectPopup.enableMails();
getMail();
break;
}
}
/**
* Hides all items on a brach
*
* @param actualItem The actual item active
*/
public void hideAllBranch(TreeItem actualItem) {
int i = 0;
int count = actualItem.getChildCount();
for (i = 0; i < count; i++) {
actualItem.getChild(i).setVisible(false);
}
}
@Override
public void onOpen(OpenEvent<TreeItem> event) {
TreeItem item = event.getTarget();
currentlySelected = item;
if (item.getChild(0).getText().equals(DatasetWidget.LOADING)) {
CategorySerializable cat = (CategorySerializable) item.getUserObject();
Util.getRPCService().getCategories(cat.getID(), null, categoryCallback);
}
}
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--;
}
}
/**
* Prevents folder inconsistences between server ( multi user deletes folder ) and tree nodes
* drawn
*
* @param item The tree node
*/
public void preventFolderInconsitences(TreeItem item) {
GWTFolder folderItem = (GWTFolder) item.getUserObject();
// Case that must remove all items node
if (item.getChildCount() > 0 && !folderItem.isHasChildren()) {
while (item.getChildCount() > 0) {
item.getChild(0).remove();
}
}
if (item.getChildCount() < 1 && !folderItem.isHasChildren()) {
folderItem.setHasChildren(false);
}
}
private int getTreeItemIndex(TreeItem treeItem, String name) {
int left = 0;
int right = treeItem.getChildCount() - 1;
int center = (left + right) / 2;
while (left <= right) {
if (treeItem.getChild(center).getText().compareTo(name) < 0) {
left = center + 1;
} else {
right = center - 1;
}
center = (left + right) / 2;
}
return left;
}
/**
* Adds folders to actual item if not exists or refreshes it values
*
* @param actualItem The actual item active
* @param newItem New item to be added, or refreshed
*/
public void addFolder(TreeItem actualItem, TreeItem newItem) {
int i = 0;
boolean found = false;
int count = actualItem.getChildCount();
GWTFolder folder;
GWTFolder newFolder = (GWTFolder) newItem.getUserObject();
String folderPath = newFolder.getPath();
for (i = 0; i < count; i++) {
folder = (GWTFolder) actualItem.getChild(i).getUserObject();
// If item is found actualizate values
if ((folder).getPath().equals(folderPath)) {
found = true;
actualItem.getChild(i).setVisible(true);
actualItem.getChild(i).setUserObject(newFolder);
evaluesFolderIcon(actualItem.getChild(i));
}
}
if (!found) {
evaluesFolderIcon(newItem);
actualItem.addItem(newItem);
}
}
/** Resets all tree values */
public void reset() {
actualItem = rootItem;
actualItem.setSelected(true);
while (actualItem.getChildCount() > 0) {
actualItem.getChild(0).remove();
}
int mainPanelView = Main.get().mainPanel.desktop.navigator.getStackIndex();
switch (mainPanelView) {
case UIDesktopConstants.NAVIGATOR_TAXONOMY:
case UIDesktopConstants.NAVIGATOR_TRASH:
Main.get().activeFolderTree.folderSelectPopup.enableTaxonomy();
getRoot();
break;
case UIDesktopConstants.NAVIGATOR_CATEGORIES:
Main.get().activeFolderTree.folderSelectPopup.enableCategories();
getCategories();
break;
case UIDesktopConstants.NAVIGATOR_TEMPLATES:
switch (Main.get().activeFolderTree.folderSelectPopup.getAction()) {
case FolderSelectPopup.ACTION_CREATE_FROM_TEMPLATE:
Main.get().activeFolderTree.folderSelectPopup.enableTaxonomy();
getRoot();
break;
default:
Main.get().activeFolderTree.folderSelectPopup.enableTemplates();
getTemplatesFolder();
break;
}
break;
case UIDesktopConstants.NAVIGATOR_PERSONAL:
Main.get().activeFolderTree.folderSelectPopup.enableMyDocuments();
getPersonal();
break;
case UIDesktopConstants.NAVIGATOR_MAIL:
Main.get().activeFolderTree.folderSelectPopup.enableMails();
getMail();
break;
}
}
@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 selectFirst() {
root.setState(true);
TreeItem firstPrompt = root.getChild(0);
tree.setSelectedItem(firstPrompt);
root.setState(true);
HTML leaf = null;
for (Entry<HTML, TreeItem> entry : leaves.entrySet()) {
if (entry.getValue().equals(firstPrompt)) {
leaf = entry.getKey();
break;
}
}
if (leaf != null) {
Prompt p = promptMap.get(leaf);
Messages.get().displaySurveyInput(p, 0);
}
}
/**
* 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;
}
/**
* 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 boolean needsLoading(final TreeItem item) {
return item.getChildCount() == 1 && LAZY_LOAD.equals(item.getChild(0).getText());
}
public void onSuccess(Object result) {
CategorySerializable[] cats = (CategorySerializable[]) result;
if (cats != null && cats.length > 0) {
if (currentlySelected == null) {
for (int i = 0; i < cats.length; i++) {
CategorySerializable cat = cats[i];
String children = cat.getAttributes().get("children");
boolean empty = false;
if (children != null && children.equals("none")) empty = true;
if (applyFilters(cat) && !empty) {
TreeItem item = new TreeItem();
item.addItem(
new SafeHtmlBuilder().appendEscaped(DatasetWidget.LOADING).toSafeHtml());
InnerItem inner = new InnerItem(cat);
item.setWidget(inner);
item.setUserObject(cat);
addItem(item);
}
}
} else {
for (int i = 0; i < cats.length; i++) {
CategorySerializable cat = cats[i];
if (cat.isCategoryChildren()) {
String name = cat.getName();
TreeItem item;
if (i == 0) {
item = currentlySelected.getChild(0);
} else {
item = new TreeItem();
}
item.addItem(
new SafeHtmlBuilder().appendEscaped(DatasetWidget.LOADING).toSafeHtml());
InnerItem inner = new InnerItem(cat);
item.setWidget(inner);
item.setUserObject(cat);
if (i > 0) {
currentlySelected.addItem(item);
}
} else if (cat.isVariableChildren()) {
// Must have variable children...
TreeItem item = currentlySelected.getChild(0);
if (cat.hasMultipleDatasets()) {
DatasetSerializable[] dses = cat.getDatasetSerializableArray();
DatasetSerializable ds = dses[0];
VariableSerializable[] vars = ds.getVariablesSerializable();
currentlySelected.removeItems();
for (int j = 0; j < dses.length; j++) {
ds = dses[j];
vars = ds.getVariablesSerializable();
loadItem(vars);
}
} else {
DatasetSerializable ds = cat.getDatasetSerializable();
VariableSerializable[] vars = ds.getVariablesSerializable();
currentlySelected.removeItems();
loadItem(vars);
}
}
}
}
} else {
// A category was selected, but it came back empty...
if (currentlySelected != null) {
TreeItem item = currentlySelected.getChild(0);
item.setText("No data sets found.");
}
}
if (saveSelection != null) {
currentlySelected = saveSelection;
saveSelection = null;
}
}
