private MHandledMenuItem findMenuItem(final String inItemID, final MMenu inMenu) {
inMenu.getChildren();
for (final MMenuElement lItem : inMenu.getChildren()) {
if (inItemID.equals(lItem.getElementId())) {
return (MHandledMenuItem) lItem;
}
}
return null;
}
private static boolean containsMatching(List<MMenuElement> children, MMenuElement me) {
for (MMenuElement element : children) {
if (Util.equals(me.getElementId(), element.getElementId())
&& element.getClass().isInstance(me)
&& (element instanceof MMenuSeparator || element instanceof MMenu)) {
return true;
}
}
return false;
}
/**
* @param menuManager
* @param element
* @param evalContext
*/
public static void updateVisibility(
MenuManager menuManager, MMenuElement element, ExpressionContext evalContext) {
if (!(element.getVisibleWhen() instanceof MCoreExpression)) {
return;
}
boolean val =
ContributionsAnalyzer.isVisible((MCoreExpression) element.getVisibleWhen(), evalContext);
if (val != element.isVisible()) {
element.setVisible(val);
menuManager.markDirty();
}
}
public void handleEvent(Event event) {
Object element = event.getProperty(UIEvents.EventTags.ELEMENT);
String attName = (String) event.getProperty(UIEvents.EventTags.ATTNAME);
if (element instanceof MMenuItem) {
MMenuItem itemModel = (MMenuItem) element;
if (UIEvents.UIElement.TOBERENDERED.equals(attName)) {
Object obj = itemModel.getParent();
if (!(obj instanceof MMenu)) {
return;
}
MenuManager parent = getManager((MMenu) obj);
if (itemModel.isToBeRendered()) {
if (parent != null) {
modelProcessSwitch(parent, itemModel);
}
} else {
IContributionItem ici = getContribution(itemModel);
clearModelToContribution(itemModel, ici);
if (ici != null && parent != null) {
parent.remove(ici);
}
if (ici != null) {
ici.dispose();
}
}
}
}
if (UIEvents.UIElement.VISIBLE.equals(attName)) {
if (element instanceof MMenu) {
MMenu menuModel = (MMenu) element;
MenuManager manager = getManager(menuModel);
if (manager == null) {
return;
}
manager.setVisible(menuModel.isVisible());
if (manager.getParent() != null) {
manager.getParent().markDirty();
}
} else if (element instanceof MMenuElement) {
MMenuElement itemModel = (MMenuElement) element;
Object obj = getContribution(itemModel);
if (!(obj instanceof ContributionItem)) {
return;
}
ContributionItem item = (ContributionItem) obj;
item.setVisible(itemModel.isVisible());
if (item.getParent() != null) {
item.getParent().markDirty();
}
}
}
}
public static int indexForId(MElementContainer<MMenuElement> parentMenu, String id) {
if (id == null || id.length() == 0) {
return -1;
}
int i = 0;
for (MMenuElement item : parentMenu.getChildren()) {
if (id.equals(item.getElementId())) {
return i;
}
i++;
}
return -1;
}
public static boolean processAddition(
final MMenu menuModel,
final ArrayList<MMenuElement> menuContributionsToRemove,
MMenuContribution menuContribution,
final HashSet<String> existingMenuIds,
HashSet<String> existingSeparatorNames) {
int idx = getIndex(menuModel, menuContribution.getPositionInParent());
if (idx == -1) {
return false;
}
for (MMenuElement item : menuContribution.getChildren()) {
if (item instanceof MMenu && existingMenuIds.contains(item.getElementId())) {
// skip this, it's already there
continue;
} else if (item instanceof MMenuSeparator
&& existingSeparatorNames.contains(item.getElementId())) {
// skip this, it's already there
continue;
}
MMenuElement copy = (MMenuElement) EcoreUtil.copy((EObject) item);
if (DEBUG) {
trace("addMenuContribution " + copy, menuModel.getWidget(), menuModel); // $NON-NLS-1$
}
menuContributionsToRemove.add(copy);
menuModel.getChildren().add(idx++, copy);
if (copy instanceof MMenu && copy.getElementId() != null) {
existingMenuIds.add(copy.getElementId());
} else if (copy instanceof MMenuSeparator && copy.getElementId() != null) {
existingSeparatorNames.add(copy.getElementId());
}
}
return true;
}
private void restorePersistedState(MApplication application, MPart part) {
final Map<String, String> persistedState = application.getPersistedState();
showSuppressedLines =
toolbox.parseBoolean(persistedState.get(IPersistenceKey.TERMINAL_SUPPRESS_LINES));
showGrblStateLines =
toolbox.parseBoolean(persistedState.get(IPersistenceKey.TERMINAL_GRBL_STATE));
showGcodeModeLines =
toolbox.parseBoolean(persistedState.get(IPersistenceKey.TERMINAL_GRBL_MODES));
// set the state of the direct menu items according to persisted state
// find the two direct menu items
final MToolBar toolbar = part.getToolbar();
List<MToolBarElement> toolBarChildren = toolbar.getChildren();
for (MToolBarElement child : toolBarChildren) {
if (child instanceof MHandledToolItem
&& child
.getElementId()
.equals("de.jungierek.grblrunner.handledtoolitem.terminal.togglesuppresslines")) {
LOG.debug(
"restorePersistedState: child=" + child.getElementId() + " class=" + child.getClass());
MMenu menu = ((MHandledToolItem) child).getMenu();
if (menu != null) {
List<MMenuElement> items = menu.getChildren();
for (MMenuElement item : items) {
LOG.debug(
"restorePersistedState: item=" + item.getElementId() + "class=" + child.getClass());
switch (item.getElementId()) {
case "de.jungierek.grblrunner.directmenuitem.togglesuppresslines.grblstate":
((MMenuItem) item).setSelected(showGrblStateLines);
break;
case "de.jungierek.grblrunner.directmenuitem.togglesuppresslines.gcodestate":
((MMenuItem) item).setSelected(showGcodeModeLines);
break;
default:
break;
}
}
}
}
}
}
private static void printElement(int level, MMenuElement element) {
StringBuilder buf = new StringBuilder();
for (int i = 0; i < level; i++) {
buf.append('\t');
}
buf.append(element.toString());
trace(buf.toString(), null);
if (element instanceof MMenu) {
for (MMenuElement item : ((MMenu) element).getChildren()) {
printElement(level + 1, item);
}
}
}
public static void addMenuContributions(
final MMenu menuModel,
final ArrayList<MMenuContribution> toContribute,
final ArrayList<MMenuElement> menuContributionsToRemove) {
HashSet<String> existingMenuIds = new HashSet<String>();
HashSet<String> existingSeparatorNames = new HashSet<String>();
for (MMenuElement child : menuModel.getChildren()) {
String elementId = child.getElementId();
if (child instanceof MMenu && elementId != null) {
existingMenuIds.add(elementId);
} else if (child instanceof MMenuSeparator && elementId != null) {
existingSeparatorNames.add(elementId);
}
}
boolean done = toContribute.size() == 0;
while (!done) {
ArrayList<MMenuContribution> curList = new ArrayList<MMenuContribution>(toContribute);
int retryCount = toContribute.size();
toContribute.clear();
for (MMenuContribution menuContribution : curList) {
if (!processAddition(
menuModel,
menuContributionsToRemove,
menuContribution,
existingMenuIds,
existingSeparatorNames)) {
toContribute.add(menuContribution);
}
}
// We're done if the retryList is now empty (everything done) or
// if the list hasn't changed at all (no hope)
done = (toContribute.size() == 0) || (toContribute.size() == retryCount);
}
}
/**
* @param menuModel
* @param toContribute
*/
private void generateContributions(
MMenu menuModel, ArrayList<MMenuContribution> toContribute, boolean menuBar) {
HashSet<String> existingMenuIds = new HashSet<String>();
HashSet<String> existingSeparatorNames = new HashSet<String>();
for (MMenuElement child : menuModel.getChildren()) {
String elementId = child.getElementId();
if (child instanceof MMenu && elementId != null) {
existingMenuIds.add(elementId);
} else if (child instanceof MMenuSeparator && elementId != null) {
existingSeparatorNames.add(elementId);
}
}
MenuManager manager = getManager(menuModel);
boolean done = toContribute.size() == 0;
while (!done) {
ArrayList<MMenuContribution> curList = new ArrayList<MMenuContribution>(toContribute);
int retryCount = toContribute.size();
toContribute.clear();
for (MMenuContribution menuContribution : curList) {
if (!processAddition(
menuModel,
manager,
menuContribution,
existingMenuIds,
existingSeparatorNames,
menuBar)) {
toContribute.add(menuContribution);
}
}
// We're done if the retryList is now empty (everything done) or
// if the list hasn't changed at all (no hope)
done = (toContribute.size() == 0) || (toContribute.size() == retryCount);
}
}
private void addToManager(
MenuManager parentManager, MMenuElement model, IContributionItem menuManager) {
MElementContainer<MUIElement> parent = model.getParent();
// technically this shouldn't happen
if (parent == null) {
parentManager.add(menuManager);
} else {
int index = parent.getChildren().indexOf(model);
// shouldn't be -1, but better safe than sorry
if (index > parentManager.getSize() || index == -1) {
parentManager.add(menuManager);
} else {
parentManager.insert(index, menuManager);
}
}
}
/**
* @param menuManager
* @param childME
*/
void modelProcessSwitch(MenuManager menuManager, MMenuElement childME) {
if (!childME.isToBeRendered()) {
return;
}
if (childME instanceof MRenderedMenuItem) {
MRenderedMenuItem itemModel = (MRenderedMenuItem) childME;
processRenderedItem(menuManager, itemModel);
} else if (childME instanceof MHandledMenuItem) {
MHandledMenuItem itemModel = (MHandledMenuItem) childME;
processHandledItem(menuManager, itemModel);
} else if (childME instanceof MDirectMenuItem) {
MDirectMenuItem itemModel = (MDirectMenuItem) childME;
processDirectItem(menuManager, itemModel, null);
} else if (childME instanceof MMenuSeparator) {
MMenuSeparator sep = (MMenuSeparator) childME;
processSeparator(menuManager, sep);
// } else if (childME instanceof MOpaqueMenu) {
// I'm not sure what to do here
// so I'll just take it out of the running
} else if (childME instanceof MMenu) {
MMenu itemModel = (MMenu) childME;
processMenu(menuManager, itemModel);
}
}
// this is similar in nature to:
// org.eclipse.e4.ui.internal.workbench.ContributionsAnalyzer.addMenuContributions(MMenu,
// ArrayList<MMenuContribution>, ArrayList<MMenuElement>)
// the difference is it needs to add all the contributions and manage their
// visiblility through a RAT
private void addMenuBarContributions(
final MMenu menuModel,
ArrayList<MMenuContribution> toContribute,
final IEclipseContext ctx,
final ExpressionContext eContext) {
HashSet<String> existingMenuIds = new HashSet<String>();
HashSet<String> existingSeparatorNames = new HashSet<String>();
for (MMenuElement child : menuModel.getChildren()) {
String elementId = child.getElementId();
if (child instanceof MMenu && elementId != null) {
existingMenuIds.add(elementId);
} else if (child instanceof MMenuSeparator && elementId != null) {
existingSeparatorNames.add(elementId);
}
}
boolean done = toContribute.size() == 0;
while (!done) {
ArrayList<MMenuContribution> curList = new ArrayList<MMenuContribution>(toContribute);
int retryCount = toContribute.size();
toContribute.clear();
for (final MMenuContribution menuContribution : curList) {
final ArrayList<MMenuElement> menuContributionsToRemove = new ArrayList<MMenuElement>();
if (!ContributionsAnalyzer.processAddition(
menuModel,
menuContributionsToRemove,
menuContribution,
existingMenuIds,
existingSeparatorNames)) {
toContribute.add(menuContribution);
} else {
if (menuContribution.getVisibleWhen() != null) {
ctx.runAndTrack(
new RunAndTrack() {
@Override
public boolean changed(IEclipseContext context) {
if (!menuModel.isToBeRendered()
|| !menuModel.isVisible()
|| menuModel.getWidget() == null) {
return false;
}
boolean rc = ContributionsAnalyzer.isVisible(menuContribution, eContext);
for (MMenuElement element : menuContributionsToRemove) {
element.setToBeRendered(rc);
}
return true;
}
});
}
ArrayList<ArrayList<MMenuElement>> lists = pendingCleanup.get(menuModel);
if (lists == null) {
lists = new ArrayList<ArrayList<MMenuElement>>();
pendingCleanup.put(menuModel, lists);
}
lists.add(menuContributionsToRemove);
}
}
// We're done if the retryList is now empty (everything done) or
// if the list hasn't changed at all (no hope)
done = (toContribute.size() == 0) || (toContribute.size() == retryCount);
}
}