private ISelection restoreSelectionState(IMemento memento) {
if (memento == null) return null;
IMemento childMem;
childMem = memento.getChild(TAG_SELECTED_ELEMENTS);
if (childMem != null) {
ArrayList list = new ArrayList();
IMemento[] elementMem = childMem.getChildren(TAG_SELECTED_ELEMENT);
for (int i = 0; i < elementMem.length; i++) {
String javaElementHandle = elementMem[i].getString(TAG_SELECTED_ELEMENT_PATH);
if (javaElementHandle == null) {
// logical package
IMemento[] packagesMem = elementMem[i].getChildren(TAG_LOGICAL_PACKAGE);
LogicalPackage lp = null;
for (int j = 0; j < packagesMem.length; j++) {
javaElementHandle = packagesMem[j].getString(TAG_SELECTED_ELEMENT_PATH);
Object pack = DLTKCore.create(javaElementHandle);
if (pack instanceof IScriptFolder && ((IScriptFolder) pack).exists()) {
if (lp == null) lp = new LogicalPackage((IScriptFolder) pack);
else lp.add((IScriptFolder) pack);
}
}
if (lp != null) list.add(lp);
} else {
IModelElement element = DLTKCore.create(javaElementHandle);
if (element != null && element.exists()) list.add(element);
}
}
return new StructuredSelection(list);
}
return null;
}
private String formatLogicalPackageMessage(LogicalPackage logicalPackage) {
IScriptFolder[] fragments = logicalPackage.getScriptFolders();
StringBuffer buf = new StringBuffer(logicalPackage.getElementName());
buf.append(ScriptElementLabels.CONCAT_STRING);
String message = ""; // $NON-NLS-1$
boolean firstTime = true;
for (int i = 0; i < fragments.length; i++) {
IScriptFolder fragment = fragments[i];
IModelElement element = fragment.getParent();
if (element instanceof IProjectFragment) {
IProjectFragment root = (IProjectFragment) element;
String label =
ScriptElementLabels.getDefault()
.getElementLabel(
root,
ScriptElementLabels.DEFAULT_QUALIFIED | ScriptElementLabels.ROOT_QUALIFIED);
if (firstTime) {
buf.append(label);
firstTime = false;
} else
message =
Messages.format(
ScriptBrowsingMessages.StatusBar_concat, new String[] {message, label});
}
}
buf.append(message);
return buf.toString();
}
void adjustInputAndSetSelection(Object o) {
if (!(o instanceof LogicalPackage)) {
super.adjustInputAndSetSelection(o);
return;
}
LogicalPackage lp = (LogicalPackage) o;
if (!lp.getScriptProject().equals(getInput())) setInput(lp.getScriptProject());
setSelection(new StructuredSelection(lp), true);
}
/**
* Combines packages with same names into a logical package which will be added to the resulting
* array. If a package is not yet in this content provider then the package fragment is added to
* the resulting array.
*
* @param packageFragments the package fragments to combine
* @return an array with combined (logical) packages and package fragments
*/
protected Object[] combineSamePackagesIntoLogialPackages(IPackageFragment[] packageFragments) {
if (!fCompoundState) return packageFragments;
List newChildren = new ArrayList();
for (int i = 0; i < packageFragments.length; i++) {
IPackageFragment fragment = packageFragments[i];
if (fragment == null) continue;
LogicalPackage lp = findLogicalPackage(fragment);
if (lp != null) {
if (lp.belongs(fragment)) {
lp.add(fragment);
}
if (!newChildren.contains(lp)) newChildren.add(lp);
} else {
String key = getKey(fragment);
IPackageFragment frag = (IPackageFragment) fMapToPackageFragments.get(key);
if (frag != null && !fragment.equals(frag)) {
lp = new LogicalPackage(frag);
lp.add(fragment);
newChildren.remove(frag);
newChildren.add(lp);
fMapToLogicalPackage.put(key, lp);
fMapToPackageFragments.remove(frag);
} else {
fMapToPackageFragments.put(key, fragment);
newChildren.add(fragment);
}
}
}
return newChildren.toArray();
}