private void updateItems(final FileInfo parent) {
if (fDisplay == null) return;
assert Thread.currentThread() == fDisplay.getThread();
TreeItem[] items = null;
boolean expanded = true;
if (parent.children == null || parent.children_error != null) {
if (parent == fRootInfo) {
fileTree.setItemCount(1);
items = fileTree.getItems();
} else {
TreeItem item = findItem(parent);
if (item == null) return;
expanded = item.getExpanded();
item.setItemCount(1);
items = item.getItems();
}
assert items.length == 1;
items[0].removeAll();
if (parent.children_pending) {
items[0].setForeground(fDisplay.getSystemColor(SWT.COLOR_LIST_FOREGROUND));
items[0].setText("Pending...");
} else if (parent.children_error != null) {
String msg = parent.children_error.getMessage();
if (msg == null) msg = parent.children_error.getClass().getName();
else msg = msg.replace('\n', ' ');
items[0].setForeground(fDisplay.getSystemColor(SWT.COLOR_RED));
items[0].setText(msg);
items[0].setImage((Image) null);
} else if (expanded) {
loadChildren(parent);
items[0].setForeground(fDisplay.getSystemColor(SWT.COLOR_LIST_FOREGROUND));
items[0].setText("Pending...");
} else {
items[0].setText("");
}
} else {
FileInfo[] arr = parent.children;
if (parent == fRootInfo) {
fileTree.setItemCount(arr.length);
items = fileTree.getItems();
} else {
TreeItem item = findItem(parent);
if (item == null) return;
expanded = item.getExpanded();
item.setItemCount(expanded ? arr.length : 1);
items = item.getItems();
}
if (expanded) {
assert items.length == arr.length;
for (int i = 0; i < items.length; i++) fillItem(items[i], arr[i]);
expandSelect();
} else {
items[0].setText("");
}
}
}
/**
* When one element from the tree is selected, all elements with the same VisualID are put into
* the same state (checked or unchecked).
*
* @param items
* @param visualID
* @param check
*/
protected void setAllVisualIDsChecked(TreeItem[] items, int visualID, boolean check) {
ViewInfo viewInfo = null;
for (TreeItem item : items) {
if (item != null) {
viewInfo =
(ViewInfo) Platform.getAdapterManager().getAdapter(item.getData(), ViewInfo.class);
if (viewInfo != null && visualID == viewInfo.getVisualID()) {
item.setChecked(check);
}
if (item.getItems() != null) {
setAllVisualIDsChecked(item.getItems(), visualID, check);
}
}
}
}
private TreeItem findElement(TreeItem[] items, TreeItem[] toBeSkipped, boolean allowToGoUp) {
if (fStringMatcher == null) return items.length > 0 ? items[0] : null;
ILabelProvider labelProvider = (ILabelProvider) getfTreeViewer().getLabelProvider();
// First search at same level
/*for (int i= 0; i < items.length; i++) {
final TreeItem item= items[i];
IJavaElement element= (IJavaElement)item.getData();
if (element != null) {
String label= labelProvider.getText(element);
if (fStringMatcher.match(label))
return item;
}
}*/
// Go one level down for each item
for (int i = 0; i < items.length; i++) {
final TreeItem item = items[i];
TreeItem foundItem = findElement(selectItems(item.getItems(), toBeSkipped), null, false);
if (foundItem != null) return foundItem;
}
if (!allowToGoUp || items.length == 0) return null;
// Go one level up (parent is the same for all items)
TreeItem parentItem = items[0].getParentItem();
if (parentItem != null) return findElement(new TreeItem[] {parentItem}, items, true);
// Check root elements
return findElement(selectItems(items[0].getParent().getItems(), items), null, false);
}
private static TreeItem retrieveTreeItem(final TreeItem[] items, IContextParameter param) {
if (items == null || param == null) {
return null;
}
for (TreeItem item : items) {
final Object data = item.getData();
if (data != null) {
if (data instanceof ContextVariableTabParentModel) {
ContextVariableTabParentModel parent = (ContextVariableTabParentModel) data;
if (parent.getContextParameter() != null
&& param.getName().equals(parent.getContextParameter().getName())) {
return item;
}
} else if (data instanceof ContextVariableTabChildModel) {
ContextVariableTabChildModel son = (ContextVariableTabChildModel) data;
if (son.getContextParameter() != null
&& param.getName().equals(son.getContextParameter().getName())) {
return item;
}
}
}
// search child item
TreeItem childItem = retrieveTreeItem(item.getItems(), param);
if (childItem != null) {
return childItem;
}
}
return null;
}
/**
* Update all the children TreeItems of the given parent to be the same check as the parent.
*
* @param parent the parent
*/
protected void updateChildCheckboxes(TreeItem parent) {
for (TreeItem child : parent.getItems()) {
child.setChecked(parent.getChecked());
child.setGrayed(false);
updateChildCheckboxes(child);
}
}
private static final TreeItem findTreeItem(
TreeItem grandParent, TreeItem parent, String parentName, String name) {
if (Const.isEmpty(parentName)) {
if (parent.getText().equalsIgnoreCase(name)) {
return parent;
}
} else {
if (grandParent != null && grandParent.getText().equalsIgnoreCase("OTHER")) {
System.out.println("Other");
}
if (grandParent != null
&& grandParent.getText().equalsIgnoreCase(parentName)
&& parent.getText().equalsIgnoreCase(name)) {
return parent;
}
}
TreeItem ti[] = parent.getItems();
for (int i = 0; i < ti.length; i++) {
TreeItem child = findTreeItem(parent, ti[i], parentName, name);
if (child != null) {
return child;
}
}
return null;
}
private void addRow(
TreeItem item,
List<String[]> rowData,
IXViewerLabelProvider labelProv,
List<XViewerColumn> showCols,
int level)
throws XViewerException {
List<String> cellData = new ArrayList<String>(showCols.size());
boolean firstCell = true;
for (XViewerColumn xCol : showCols) {
StringBuffer str = new StringBuffer();
if (firstCell) {
for (int y = 1; y < level; y++) {
str.append("__INSERT_TAB_HERE__"); // $NON-NLS-1$
}
firstCell = false;
}
str.append(labelProv.getColumnText(item.getData(), xColToColumnIndex.get(xCol)));
String html = HtmlUtil.textToHtml(str.toString());
html =
html.replaceAll(
"__INSERT_TAB_HERE__", " "); // $NON-NLS-1$ //$NON-NLS-2$
cellData.add(html);
}
rowData.add(cellData.toArray(new String[cellData.size()]));
if (item.getExpanded()) {
for (TreeItem i : item.getItems()) {
addRow(i, rowData, labelProv, showCols, level + 1);
}
}
}
protected void setSelectionInViewer(CloudSpace selectedSpace) {
// Now set the cloud space in the tree
Tree tree = orgsSpacesViewer.getTree();
TreeItem[] orgItems = tree.getItems();
if (orgItems != null) {
TreeItem orgItem = null;
// Find the tree item corresponding to the cloud space's
// org
for (TreeItem item : orgItems) {
Object treeObj = item.getData();
if (treeObj instanceof CloudOrganization
&& ((CloudOrganization) treeObj)
.getName()
.equals(selectedSpace.getOrganization().getName())) {
orgItem = item;
break;
}
}
if (orgItem != null) {
TreeItem[] children = orgItem.getItems();
if (children != null) {
for (TreeItem childItem : children) {
Object treeObj = childItem.getData();
if (treeObj instanceof CloudSpace
&& ((CloudSpace) treeObj).getName().equals(selectedSpace.getName())) {
tree.select(childItem);
break;
}
}
}
}
}
}
/**
* Clear all sub items.
*
* @param item The item root.
*/
public void clear(TreeItem item) {
item.setData(null);
for (final TreeItem current : item.getItems()) {
clear(current);
}
item.dispose();
}
public Rectangle buildHighlightRectangle(
TreeItem item,
boolean includeChildren,
GC gc,
boolean includeHeaderHeight,
boolean adjustHeight) {
TreeItem parentItem = item.getParentItem();
Rectangle bounds = item.getBounds();
if (parentItem != null) {
bounds = parentItem.getBounds(0);
}
Rectangle itemBounds = item.getBounds();
int x = bounds.x;
int width = itemBounds.width + itemBounds.x - bounds.x;
if (parentItem == null) {
x = 0;
width = bounds.width + bounds.x;
}
Rectangle highlight = new Rectangle(x, itemBounds.y, width, getTree().getItemHeight());
// expand for column text
String columnText = ((ITableLabelProvider) getLabelProvider()).getColumnText(item.getData(), 1);
if (columnText != null) {
Point textExtent = gc.textExtent(columnText);
int textWidth = textExtent.x;
Rectangle columnBounds = item.getBounds(1);
highlight.width = (columnBounds.x + textWidth) - highlight.x;
// increase width to account for space where icon would be
// later we will need to account for the icons directly (currently
// there are no icons for the second column)
highlight.width = highlight.width + 16;
}
// expand for children if necessary
if (includeChildren) {
TreeItem[] children = item.getItems();
if (children.length != 0) {
expandHighlightRectangleForChildren(highlight, children, gc);
}
}
// shrink the rectangle by one pixel so that back to back
// highlights do not overlap
if (adjustHeight) {
int itemSpace = item.getBounds().height - getTree().getItemHeight();
itemSpace = Math.abs(itemSpace);
highlight.height = highlight.height - itemSpace;
}
if (SWT.getPlatform().equals("gtk") && item.getParentItem() != null) { // $NON-NLS-1$
// GTK puts expansion handles directly
// at the location of the parent bounds
// we use that location to start the box
// to allow better looking highlights
// increase the size a bit for linux
highlight.x = highlight.x - 5;
highlight.width = highlight.width + 5;
}
if (includeHeaderHeight) {
highlight.y = highlight.y + getTree().getHeaderHeight();
}
return highlight;
}
public static void collectTreeItemsInView(TreeItem[] items, List<TreeItem> collectedItems) {
if (items.length > 0) {
for (TreeItem childItem : Arrays.asList(items)) {
collectedItems.add(childItem);
collectTreeItemsInView(childItem.getItems(), collectedItems);
}
}
}
public void collapseNodes(TreeItem item) {
item.setExpanded(false);
TreeItem[] items = item.getItems();
for (int i = 0; i < items.length; i++) {
TreeItem child = items[i];
collapseNodes(child);
}
}
private void expand(TreeItem item, boolean expand) {
item.setExpanded(expand);
TreeItem[] children = item.getItems();
if (children == null) return;
for (TreeItem child : children) {
expand(child, expand);
}
}
private void collectElementsInBranch(
TreeItem item, Collection treeItems, Collection testElements) {
treeItems.add(item);
testElements.add(item.getData());
TreeItem[] children = item.getItems();
for (int i = 0; i < children.length; i++) {
collectElementsInBranch(children[i], treeItems, testElements);
}
}
/**
* Adds the view infos.
*
* @param root the root
* @param infos the infos
*/
protected void addViewInfos(TreeItem root, Collection<Integer> infos) {
for (TreeItem item : root.getItems()) {
if (item.getChecked() == false) {
Object data = item.getData();
if (data instanceof ViewInfo) {
infos.add(((ViewInfo) data).getVisualID());
}
}
addViewInfos(item, infos);
}
}
/**
* Expands subtrees of given items. Items of type <code>PluginExtensionNode</code> that have
* multiple children to expand will only be expanded to the that level. Further expanding is
* required to reveal the whole subtree. This is for reasons of convenience.
*
* @param items tree items to be expand with their children
*/
private void traverseChildrenAndSetExpanded(TreeItem[] items) {
for (int i = 0; i < items.length; i++) {
TreeItem treeItem = items[i];
TreeItem[] children = treeItem.getItems();
int extensionsChildCount = getExtensionsChildCount((IPluginParent) treeItem.getData());
boolean furtherExpanding = !(extensionsChildCount > 1 && (!treeItem.getExpanded()));
treeItem.setExpanded(furtherExpanding);
if (furtherExpanding) {
traverseChildrenAndSetExpanded(children);
}
}
}
/**
* Make check marks consistent with children.
*
* @param item the item
* @return null if checkbox should be gray, true if checked, false if unchecked
*/
private Boolean makeChecksConsistentWithChildren(TreeItem item) {
Boolean ret = item.getChecked();
for (TreeItem child : item.getItems()) {
Boolean current = makeChecksConsistentWithChildren(child);
if (current != ret) {
ret = null;
}
}
item.setChecked(!Boolean.FALSE.equals(ret));
item.setGrayed(ret == null);
return ret;
}
/**
* Sets the checked.
*
* @param root the root
* @param filters the filters
*/
protected void setChecked(TreeItem root, Collection<Integer> filters) {
for (TreeItem item : root.getItems()) {
Object data = item.getData();
if (data instanceof ViewInfo) {
ViewInfo info = (ViewInfo) data;
if (filters.contains(info.getVisualID())) {
item.setChecked(false);
} else {
item.setChecked(true);
}
}
setChecked(item, filters);
}
}
public void checkItems(TreeItem[] items, List<TreeItem> toSelect, List<?> sobj) {
if (items == null) return;
for (TreeItem ti : items) {
for (Object obj : sobj) {
if (obj != null && ti.getData() != null) {
if (obj == ti.getData()) toSelect.add(ti);
else if (obj instanceof EditPart && ti.getData() instanceof EditPart) {
if (((EditPart) obj).getModel() == ((EditPart) ti.getData()).getModel())
toSelect.add(ti);
}
}
}
checkItems(ti.getItems(), toSelect, sobj);
}
}
private static EmptyElement locateEmptyElement(TreeItem[] items, Object data) {
for (TreeItem item : items) {
if (item.getData() instanceof EmptyElement) {
EmptyElement empty = (EmptyElement) item.getData();
if (empty.getRepresentedMissingElement().equals(data)) {
return empty;
}
} else {
EmptyElement empty = locateEmptyElement(item.getItems(), data);
if (empty != null) {
return empty;
}
}
}
return null;
}
/** Get the TreeItem that should be selected after removing the current selection. */
public static TreeItem getNewlySelectedItem(Tree tree) {
TreeItem[] selection = tree.getSelection();
if ((selection == null) || (selection.length == 0)) {
return null;
}
TreeSet<TreeItem> selectionSet =
new TreeSet<TreeItem>(
new Comparator<TreeItem>() {
@Override
public final int compare(TreeItem o1, TreeItem o2) {
return CommonUtils.compare(o1.getBounds().y, o2.getBounds().y);
}
});
List<TreeItem> selectionList = Arrays.asList(selection);
selectionSet.addAll(selectionList);
TreeItem previousItem = null;
TreeItem parentItem = null;
while (!selectionSet.isEmpty()) {
TreeItem focusItem = selectionSet.iterator().next();
parentItem = focusItem.getParentItem();
TreeItem[] items =
(parentItem != null ? parentItem.getItems() : focusItem.getParent().getItems());
boolean found = false;
for (int i = 0; i < items.length; i++) {
TreeItem item = items[i];
if (focusItem == item) {
found = true;
if ((i > 0) && (previousItem == null)) {
previousItem = items[i - 1];
}
}
if (found) {
if (!selectionSet.remove(item)) {
return item;
}
}
}
}
if (previousItem != null && !selectionList.contains(previousItem)) {
return previousItem;
}
if (parentItem != null && !selectionList.contains(parentItem)) {
return parentItem;
}
return null;
}
public static boolean createToTreeItem(
TreeItem item,
DataObject note,
String label,
String agroup,
String[] group,
int groupIndex,
ActionContext actionContext) {
if ("node".equals(item.getData("type")) && group[groupIndex].equals(item.getText())) {
if (groupIndex == group.length - 1) {
TreeItem newItem = new TreeItem(item, SWT.None);
newItem.setData("type", "note");
newItem.setData(note);
newItem.setText(note.getString("name"));
newItem.setData("label", label);
newItem.setData("group", agroup);
setImage(newItem, "noteImage", actionContext);
addTreeItemToNode(newItem, note);
return true;
} else if (groupIndex < group.length - 1) {
boolean created = false;
for (TreeItem childItem : item.getItems()) {
if (createToTreeItem(
childItem, note, label, agroup, group, groupIndex + 1, actionContext)) {
created = true;
return true;
}
}
if (!created) {
TreeItem nodeItem = new TreeItem(item, SWT.None);
nodeItem.setData("type", "node");
nodeItem.setText(group[groupIndex + 1]);
setImage(nodeItem, "nodeImage", actionContext);
nodeItem.setData("group", agroup);
nodeItem.setData("label", label);
return createToTreeItem(
nodeItem, note, label, agroup, group, groupIndex + 1, actionContext);
}
}
return false;
} else {
return false;
}
}
private static IPath proposeNewRepositoryPath(TreeItem[] treeItems) {
IPath p = null;
for (TreeItem ti : treeItems) {
String gitDirParentCandidate = ti.getText(1);
if (gitDirParentCandidate.equals("")) // $NON-NLS-1$
continue;
if (ti.getItemCount() > 0) if (hasRepositoryInOwnDirectory(ti.getItems())) return null;
if (hasRepositoryInOwnDirectory(ti)) return null;
IPath thisPath = Path.fromOSString(gitDirParentCandidate);
if (p == null) p = thisPath;
else {
int n = p.matchingFirstSegments(thisPath);
p = p.removeLastSegments(p.segmentCount() - n);
}
}
return p;
}
/**
* @param items items to be traversed
* @return <code>true</code> if at least one of the tree items could be expanded but is not.
* Otherwise <code>false</code> is returned.
*/
protected boolean traverseStateChangeRequired(TreeItem[] items) {
if (items != null) {
for (int i = 0; i < items.length; i++) {
TreeItem treeItem = items[i];
TreeItem[] children = treeItem.getItems();
if (children.length > 0) {
if (treeItem.getExpanded()) {
if (traverseStateChangeRequired(children)) {
return true;
}
} else {
return true;
}
}
}
}
return false;
}
protected void installEditors(TreeItem treeItem, final Object parentPackage) {
Object currentDataItem = treeItem.getData();
if (currentDataItem instanceof ProfileApplication) {
ProfileApplication profileApplication = (ProfileApplication) currentDataItem;
Tree tree = treeItem.getParent();
final Button checkbox = new Button(tree, SWT.CHECK);
checkbox.setSelection(true);
IProfileApplicationDelegate delegate = getDelegate(profileApplication);
final Package applyingPackage = delegate.getApplyingPackage(profileApplication);
final Profile appliedProfile = delegate.getAppliedProfile(profileApplication);
getProfilesToReapply(applyingPackage).add(appliedProfile);
checkbox.addSelectionListener(
new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
if (checkbox.getSelection()) {
getProfilesToReapply(applyingPackage).add(appliedProfile);
} else {
getProfilesToReapply(applyingPackage).remove(appliedProfile);
}
}
public void widgetDefaultSelected(SelectionEvent e) {
// Nothing
}
});
TreeEditor editor = new TreeEditor(tree);
editor.horizontalAlignment = SWT.CENTER;
editor.grabHorizontal = true;
editor.setEditor(checkbox, treeItem, 4);
}
for (TreeItem subitem : treeItem.getItems()) {
installEditors(subitem, currentDataItem);
}
}
public static TreeItem getPreviousItem(TreeItem parent, TreeDifference difference) {
int location = difference.getLocation();
TreeItem[] items = parent.getItems();
TreeItem prevItem = null;
if (items.length == 0) {
prevItem = parent;
} else if (items.length <= location) {
prevItem = items[items.length - 1];
} else if (location < 0) {
prevItem = parent;
} else {
if (location == 0) {
prevItem = items[0];
} else {
prevItem = items[location - 1];
}
}
return prevItem;
}
private static IContextParameter searchEndItemParam(final TreeItem item) {
if (item == null) {
return null;
}
TreeItem foundItem = item; // self
final TreeItem[] items = item.getItems();
if (items != null && items.length > 0) {
foundItem = items[items.length - 1];
}
final Object data = foundItem.getData();
if (data == null) {
return null;
} else if (data instanceof ContextVariableTabChildModel) {
return ((ContextVariableTabChildModel) data).getContextParameter();
} else if (data instanceof ContextVariableTabParentModel) {
return ((ContextVariableTabParentModel) data).getContextParameter();
}
return null;
}
String[] getSources(String category) {
TreeItem[] treeItems = tree.getItems();
TreeItem treeItem = null;
for (TreeItem ele : treeItems) {
if (ele.getText().equals(category)) {
treeItem = ele;
break;
}
}
if (treeItem == null) return null;
TreeItem[] items = treeItem.getItems();
if (items.length < 1) return null;
List<String> list = new ArrayList<String>();
for (TreeItem item : items) {
String value = item.getText();
if (!list.contains(value)) list.add(value);
}
return list.toArray(new String[list.size()]);
}
public void setSelectedSources(Worker[] plugins, String... sources) {
TreeItem[] items = tree.getSelection();
if (items.length < 1) return;
TreeItem selectedItem = items[0];
items = selectedItem.getItems();
if (items == null || items.length < 1) return;
for (int i = 0; i < items.length; i++) {
for (String source : sources) {
if (!items[i].getText().equals(source)) continue;
tree.setSelection(new TreeItem[] {selectedItem, items[i]});
creator.setSource(plugins, getSelectedCategory(), source, false);
int topIndex = i;
int visibleCount = tree.getSize().y / 48;
if (topIndex - visibleCount < 0) return;
topIndex -= visibleCount;
tree.setTopItem(items[topIndex]);
break;
}
}
}
/** return the item of real context parameter. */
private static IContextParameter searchNearItemParam(
final TreeItem[] items, final TreeItem searchItem) {
if (items == null || searchItem == null) {
return null;
}
for (int i = items.length - 1; i >= 0; i--) {
TreeItem item = items[i];
IContextParameter param = searchNearItemParam(item.getItems(), searchItem);
if (param != null) {
return param;
}
//
if (item == searchItem) {
if (i > 0) { // before item
return searchEndItemParam(items[i - 1]);
} else { // first in current
if (i + 1 < items.length) { // next item
return searchEndItemParam(items[i + 1]);
} else { // only one left
TreeItem parentItem = item.getParentItem();
if (parentItem != null) {
final Tree parentTree = item.getParent();
final int index = parentTree.indexOf(parentItem);
if (index > -1) { // in tree root
if (index > 0) {
return searchEndItemParam(parentTree.getItem(index - 1));
} else { // is first
return null;
}
} else { // not found
return null;
}
}
}
}
}
}
return null;
}
