/** have a look at the supplied editors, find which properties are common */
protected static MethodDescriptor[] getCommonMethodsFor(final Editable[] editables) {
MethodDescriptor[] res = null;
final MethodDescriptor[] demo = new MethodDescriptor[] {};
// right, get the first set of properties
if (editables.length > 0) {
final Editable first = editables[0];
final EditorType firstInfo = first.getInfo();
if (firstInfo != null) {
res = firstInfo.getMethodDescriptors();
// only continue if there are any methods to compare against
if (res != null) {
// right, are there any more?
if (editables.length > 1) {
// pass through the others, finding the common ground
for (int cnt = 1; cnt < editables.length; cnt++) {
final Editable thisE = editables[cnt];
// get its props
final EditorType thisEditor = thisE.getInfo();
// do we have an editor?
if (thisEditor != null) {
final MethodDescriptor[] newSet = thisEditor.getMethodDescriptors();
// find the common ones
res = (MethodDescriptor[]) getIntersectionFor(res, newSet, demo);
} else {
// handle instance where editable doesn't have anything editable
res = null;
break;
}
}
}
} else {
// handle instance where editable doesn't have anything editable
res = null;
}
}
}
return res;
}
/** have a look at the supplied editors, find which properties are common */
protected static MWC.GUI.Tools.SubjectAction[] getUndoableActionsFor(final Editable[] editables) {
MWC.GUI.Tools.SubjectAction[] res = null;
final MWC.GUI.Tools.SubjectAction[] demo = new MWC.GUI.Tools.SubjectAction[] {};
// right, get the first set of properties
if (editables.length > 0) {
final Editable first = editables[0];
final EditorType firstInfo = first.getInfo();
if (firstInfo != null) {
res = firstInfo.getUndoableActions();
// only continue if there are any methods to compare against
if (res != null) {
// right, are there any more?
if (editables.length > 1) {
// pass through the others, finding the common ground
for (int cnt = 1; cnt < editables.length; cnt++) {
final Editable thisE = editables[cnt];
// get its props
final EditorType thisEditor = thisE.getInfo();
// do we have an editor?
if (thisEditor != null) {
final MWC.GUI.Tools.SubjectAction[] newSet = thisEditor.getUndoableActions();
// find the common ones
res = (MWC.GUI.Tools.SubjectAction[]) getIntersectionFor(res, newSet, demo);
}
}
}
}
}
}
return res;
}
/**
* @param manager where we add our items to
* @param editables the selected items
* @param topLevelLayers the top-level layers that contain our elements (it's these that get
* updated)
* @param parentLayers the immediate parents of our items
* @param theLayers the overall layers object
* @param hideClipboardOperations
*/
public static void getDropdownListFor(
final IMenuManager manager,
final Editable[] editables,
final Layer[] topLevelLayers,
final Layer[] parentLayers,
final Layers theLayers,
final boolean hideClipboardOperations) {
// sort out the top level layer, if we have one
Layer theTopLayer = null;
if (topLevelLayers != null) if (topLevelLayers.length > 0) theTopLayer = topLevelLayers[0];
// and now the edit-able bits
if (editables.length > 0) {
// first the parameters
MenuManager subMenu = null;
final PropertyDescriptor[] commonProps = getCommonPropertiesFor(editables);
if (commonProps != null) {
for (int i = 0; i < commonProps.length; i++) {
final PropertyDescriptor thisP = commonProps[i];
// start off with the booleans
if (supportsBooleanEditor(thisP)) {
// generate boolean editors in the sub-menu
subMenu =
generateBooleanEditorFor(
manager, subMenu, thisP, editables, theLayers, theTopLayer);
} else {
// now the drop-down lists
if (supportsListEditor(thisP)) {
// generate boolean editors in the sub-menu
subMenu =
generateListEditorFor(manager, subMenu, thisP, editables, theLayers, theTopLayer);
}
}
}
}
// special case: if only one item is selected, try adding any additional
// methods
if (editables.length == 1) {
// any additional ones?
Editable theE = editables[0];
// ok, get the editor
EditorType info = theE.getInfo();
if (info != null) {
BeanInfo[] additional = info.getAdditionalBeanInfo();
// any there?
if (additional != null) {
// ok, loop through the beans
for (int i = 0; i < additional.length; i++) {
BeanInfo thisB = additional[i];
if (thisB instanceof EditorType) {
EditorType editor = (EditorType) thisB;
Editable subject = (Editable) editor.getData();
// and the properties
PropertyDescriptor[] theseProps = thisB.getPropertyDescriptors();
for (int j = 0; j < theseProps.length; j++) {
PropertyDescriptor thisP = theseProps[j];
// and wrap the object
Editable[] holder = new Editable[] {subject};
if (supportsBooleanEditor(thisP)) {
// generate boolean editors in the sub-menu
subMenu =
generateBooleanEditorFor(
manager, subMenu, thisP, holder, theLayers, theTopLayer);
} else {
// now the drop-down lists
if (supportsListEditor(thisP)) {
// generate boolean editors in the sub-menu
subMenu =
generateListEditorFor(
manager, subMenu, thisP, holder, theLayers, theTopLayer);
}
}
}
}
}
}
}
}
// hmm, have a go at methods for this item
// ok, try the methods
final MethodDescriptor[] meths = getCommonMethodsFor(editables);
if (meths != null) {
for (int i = 0; i < meths.length; i++) {
final Layer myTopLayer = theTopLayer;
final MethodDescriptor thisMethD = meths[i];
if (thisMethD == null) {
CorePlugin.logError(
Status.ERROR, "Failed to create method, props may be wrongly named", null);
} else {
// create button for this method
final Action doThisAction =
new SubjectMethod(
thisMethD.getDisplayName(),
editables,
thisMethD.getMethod(),
myTopLayer,
theLayers);
// ok - add to the list.
manager.add(doThisAction);
}
}
}
// hmm, now do the same for the undoable methods
final MWC.GUI.Tools.SubjectAction[] actions = getUndoableActionsFor(editables);
if (actions != null) {
for (int i = 0; i < actions.length; i++) {
final MWC.GUI.Tools.SubjectAction thisMethD = actions[i];
// create button for this method
final IAction doThisAction =
generateUndoableActionFor(thisMethD, editables, theLayers, theTopLayer);
// ok - add to the list.
manager.add(doThisAction);
}
}
}
// see if we're still looking at the parent element (we only show
// clipboard
// operations for item clicked on)
if (!hideClipboardOperations) {
final Clipboard theClipboard = CorePlugin.getDefault().getClipboard();
// hey, also see if we're going to do a cut/paste
RightClickCutCopyAdaptor.getDropdownListFor(
manager, editables, topLevelLayers, parentLayers, theLayers, theClipboard);
// what about paste?
Editable selectedItem = null;
if (editables.length == 1) {
selectedItem = editables[0];
}
RightClickPasteAdaptor.getDropdownListFor(
manager, selectedItem, topLevelLayers, parentLayers, theLayers, theClipboard);
manager.add(new Separator());
}
if (!_rightClickExtensionsChecked) {
loadLoaderExtensions();
// ok, done
_rightClickExtensionsChecked = true;
}
// hmm, do we have any right-click generators?
if (_additionalRightClickItems != null) {
for (final Iterator<RightClickContextItemGenerator> thisItem =
_additionalRightClickItems.iterator();
thisItem.hasNext(); ) {
final RightClickContextItemGenerator thisGen =
(RightClickContextItemGenerator) thisItem.next();
try {
thisGen.generate(manager, theLayers, topLevelLayers, editables);
} catch (final Exception e) {
// and log the error
CorePlugin.logError(Status.ERROR, "failed whilst creating context menu", e);
}
}
}
}