public void testGrayed() {
CheckboxTreeViewer ctv = (CheckboxTreeViewer) fViewer;
TestElement element = fRootElement.getFirstChild();
assertTrue(ctv.getGrayedElements().length == 0);
assertTrue(!ctv.getGrayed(element));
ctv.setGrayed(element, true);
assertTrue(ctv.getGrayedElements().length == 1);
assertTrue(ctv.getGrayed(element));
ctv.setGrayed(element, false);
assertTrue(ctv.getGrayedElements().length == 0);
assertTrue(!ctv.getGrayed(element));
}
/**
* Sets the checked state of self and all ancestors appropriately
*
* @param treeElement
*/
protected void updateHierarchy(Object treeElement) {
boolean whiteChecked = determineShouldBeWhiteChecked(treeElement);
boolean shouldBeAtLeastGray = determineShouldBeAtLeastGrayChecked(treeElement);
fTreeViewer.setChecked(treeElement, whiteChecked || shouldBeAtLeastGray);
setWhiteChecked(treeElement, whiteChecked);
if (whiteChecked) fTreeViewer.setGrayed(treeElement, false);
else fTreeViewer.setGrayed(treeElement, shouldBeAtLeastGray);
// proceed up the tree element hierarchy
Object parent = fTreeContentProvider.getParent(treeElement);
if (parent != null) {
updateHierarchy(parent);
}
}
private void updateParentState(Object child, boolean baseChildState) {
if (child == null) return;
if (child instanceof IAdaptable) {
IResource resource = (IResource) ((IAdaptable) child).getAdapter(IResource.class);
if (resource != null && !resource.isAccessible()) return;
}
Object parent = fTreeContentProvider.getParent(child);
if (parent == null) return;
boolean allSameState = true;
Object[] children = null;
children = fTreeContentProvider.getChildren(parent);
for (int i = children.length - 1; i >= 0; i--) {
if (fTree.getChecked(children[i]) != baseChildState || fTree.getGrayed(children[i])) {
allSameState = false;
break;
}
}
fTree.setGrayed(parent, !allSameState);
fTree.setChecked(parent, !allSameState || baseChildState);
updateParentState(parent, baseChildState);
}
/*
* Extends this method to update check box states.
*/
protected void doUpdateItem(Item item, Object element) {
super.doUpdateItem(item, element);
if (!item.isDisposed() && checkStateProvider != null) {
setChecked(element, checkStateProvider.isChecked(element));
setGrayed(element, checkStateProvider.isGrayed(element));
}
}
/** Updates the check states of process tree viewer. */
private void updateCheckedStates() {
ITreeContentProvider cp = (ITreeContentProvider) processViewer.getContentProvider();
if (config != null) {
Object[] plugins = null;
if (ConfigFreeProcessPublishUtil.getInstance().isSameMethodConfiguration(config)) {
// For config free process publish
plugins = cp.getChildren(LibraryService.getInstance().getCurrentMethodLibrary());
} else {
plugins = cp.getChildren(config);
}
for (int i = 0; i < plugins.length; i++) {
Object[] uiFolders = cp.getChildren(plugins[i]);
int totalUIFolders = uiFolders.length;
int checkedUIFolders = 0;
for (int j = 0; j < uiFolders.length; j++) {
Object[] processes = cp.getChildren(uiFolders[j]);
int totalProcesses = processes.length;
int checkedProcesses = 0;
for (int k = 0; k < processes.length; k++) {
if (processViewer.getChecked(processes[k])) {
checkedProcesses++;
}
}
if (checkedProcesses == 0) {
processViewer.setGrayChecked(uiFolders[j], false);
} else if (checkedProcesses == totalProcesses) {
processViewer.setGrayed(uiFolders[j], false);
processViewer.setChecked(uiFolders[j], true);
} else {
processViewer.setGrayChecked(uiFolders[j], true);
}
if (processViewer.getChecked(uiFolders[j])) {
checkedUIFolders++;
}
}
if (checkedUIFolders == totalUIFolders) {
processViewer.setGrayed(plugins[i], false);
processViewer.setChecked(plugins[i], true);
} else if (checkedUIFolders == 0) {
processViewer.setGrayChecked(plugins[i], false);
} else {
processViewer.setGrayChecked(plugins[i], true);
}
}
}
}
/**
* Iterates through the passed elements which are being realized for the first time and check each
* one in the tree viewer as appropriate
*
* @param elements
*/
protected void checkNewTreeElements(Object[] elements) {
for (int i = 0; i < elements.length; ++i) {
Object currentElement = elements[i];
boolean checked = fCheckedStateStore.containsKey(currentElement);
fTreeViewer.setChecked(currentElement, checked);
fTreeViewer.setGrayed(
currentElement, checked && !fWhiteCheckedTreeItems.contains(currentElement));
}
}
private void setSubtreeChecked(Object parent, boolean state, boolean checkExpandedState) {
if (!(parent instanceof IAdaptable)) return;
IContainer container = (IContainer) ((IAdaptable) parent).getAdapter(IContainer.class);
if ((!fTree.getExpandedState(parent) && checkExpandedState)
|| (container != null && !container.isAccessible())) return;
Object[] children = fTreeContentProvider.getChildren(parent);
for (int i = children.length - 1; i >= 0; i--) {
Object element = children[i];
if (state) {
fTree.setChecked(element, true);
fTree.setGrayed(element, false);
} else fTree.setGrayChecked(element, false);
if (isExpandable(element)) setSubtreeChecked(element, state, true);
}
}
private void checkGray(ArrayList<ETItem> all, Set<Integer> grey) {
boolean isGrey = false;
Event test = null;
for (int i = 0; i < all.size(); i++) {
test = (Event) all.get(i);
isGrey = (!test.checked) && grey.contains(new Integer(test.index));
if (isGrey) {
treeV.setGrayChecked(test, true); // grey.contains(new
// Integer(((Event)all.get(i)).index)));
} else {
treeV.setGrayed(test, false);
if (!test.checked) {
treeV.setChecked(test, false);
}
}
// if(isGrey)treeV.setChecked(all.get(i),isGrey);
}
}
/**
* Sets the checked state of the passed tree element appropriately, and do so recursively to all
* of its child tree elements as well
*
* @param treeElement
* @param state
*/
protected void setTreeChecked(Object treeElement, boolean state) {
if (treeElement.equals(fCurrentTreeSelection)) {
fListViewer.setAllChecked(state);
}
if (state) {
Object[] listItems = getListElements(treeElement);
List<Object> listItemsChecked = new ArrayList<Object>();
for (int i = 0; i < listItems.length; ++i) listItemsChecked.add(listItems[i]);
fCheckedStateStore.put(treeElement, listItemsChecked);
} else fCheckedStateStore.remove(treeElement);
setWhiteChecked(treeElement, state);
fTreeViewer.setChecked(treeElement, state);
fTreeViewer.setGrayed(treeElement, false);
// now logically check/uncheck all children as well
Object[] children = getTreeChildren(treeElement);
for (int i = 0; i < children.length; ++i) {
setTreeChecked(children[i], state);
}
}
private void setGrayChecked(
final CheckboxTreeViewer checkboxTreeViewer, final boolean grayed, final boolean checked) {
checkboxTreeViewer.setGrayed(this, grayed);
checkboxTreeViewer.setChecked(this, checked);
}
