public GotoElementAction(
ResourceBundle bundle, String prefix, ITextEditor editor, Direction direction) {
super(bundle, prefix, editor);
this.direction = direction;
CALModelManager modelManager = CALModelManager.getCALModelManager();
sourceMetrics = modelManager.getSourceMetrics();
}
/*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
// update has been called by the framework
if (!isEnabled()) return;
if (!CoreUtility.builderEnabledCheck(errorTitle)) {
return;
}
final CALEditor textEditor = (CALEditor) getTextEditor();
final ITextSelection selection = ActionUtilities.getSelection(textEditor);
final IDocument document = ActionUtilities.getDocument(textEditor);
if (document != null) {
final int offset = selection.getOffset();
try {
CoreUtility.initializeCALBuilder(null, 100, 100);
final int firstLine = document.getLineOfOffset(offset);
final int column = offset - document.getLineOffset(firstLine);
CALModelManager cmm = CALModelManager.getCALModelManager();
FileEditorInput ei = (FileEditorInput) textEditor.getEditorInput();
final IFile memberFile = ei.getFile();
ModuleName moduleName = cmm.getModuleName(memberFile);
if (moduleName == null) {
final String errorMessage =
Messages.format(
ActionMessages.error_invalidFileName_message, textEditor.getStorage().getName());
CoreUtility.showMessage(errorTitle, errorMessage, IStatus.ERROR);
return;
}
CompilerMessageLogger messageLogger = new MessageLogger();
final SourceRange range;
if (direction == Direction.Previous) {
range =
sourceMetrics.findPreviousTopLevelElement(
moduleName, firstLine + 1, column + 1, messageLogger);
} else if (direction == Direction.Next) {
range =
sourceMetrics.findNextTopLevelElement(
moduleName, firstLine + 1, column + 1, messageLogger);
} else {
throw new IllegalArgumentException();
}
if (range != null) {
IStorage definitionFile = cmm.getInputSourceFile(moduleName);
IEditorPart editorPart = CoreUtility.openInEditor(definitionFile, true);
CoreUtility.showPosition(editorPart, definitionFile, range, true);
}
} catch (BadLocationException e) {
// will only happen on concurrent modification
CALEclipseUIPlugin.log(
new Status(
IStatus.ERROR, CALEclipseUIPlugin.PLUGIN_ID, IStatus.OK, "", e)); // $NON-NLS-1$
return;
} catch (PartInitException e) {
CALEclipseUIPlugin.log(
new Status(
IStatus.ERROR, CALEclipseUIPlugin.PLUGIN_ID, IStatus.OK, "", e)); // $NON-NLS-1$
return;
}
}
}