/**
* Invoke content assist on the given viewer at the given offset, for the given number of pages
* and return the results of each page
*
* @param viewer
* @param offset
* @param pageCount
* @return
* @throws Exception
*/
private static ICompletionProposal[][] getProposals(
StructuredTextViewer viewer, int offset, int pageCount) throws Exception {
// setup the viewer
StructuredTextViewerConfigurationHTML configuration =
new StructuredTextViewerConfigurationHTML();
ContentAssistant contentAssistant =
(ContentAssistant) configuration.getContentAssistant(viewer);
viewer.configure(configuration);
viewer.setSelectedRange(offset, 0);
// get the processor
String partitionTypeID = viewer.getDocument().getPartition(offset).getType();
IContentAssistProcessor processor = contentAssistant.getContentAssistProcessor(partitionTypeID);
// fire content assist session about to start
Method privateFireSessionBeginEventMethod =
ContentAssistant.class.getDeclaredMethod(
"fireSessionBeginEvent", new Class[] {boolean.class});
privateFireSessionBeginEventMethod.setAccessible(true);
privateFireSessionBeginEventMethod.invoke(contentAssistant, new Object[] {Boolean.TRUE});
// get content assist suggestions
ICompletionProposal[][] pages = new ICompletionProposal[pageCount][];
for (int p = 0; p < pageCount; ++p) {
pages[p] = processor.computeCompletionProposals(viewer, offset);
}
// fire content assist session ending
Method privateFireSessionEndEventMethod =
ContentAssistant.class.getDeclaredMethod("fireSessionEndEvent", null);
privateFireSessionEndEventMethod.setAccessible(true);
privateFireSessionEndEventMethod.invoke(contentAssistant, null);
return pages;
}
public int getCaretOffset() {
StructuredTextViewer stv = fTextEditor.getTextViewer();
if ((stv != null) && (stv.getTextWidget() != null) && !stv.getTextWidget().isDisposed()) {
return stv.widgetOffset2ModelOffset(stv.getTextWidget().getCaretOffset());
}
return 0;
}
/**
* Run a proposal test by opening the given file and invoking content assist for each expected
* proposal count at the given line number and line character offset and then compare the number
* of proposals for each invocation (pages) to the expected number of proposals.
*
* @param fileName
* @param lineNum
* @param lineRelativeCharOffset
* @param expectedProposalCounts
* @throws Exception
*/
private static void runProposalTest(
String fileName, int lineNum, int lineRelativeCharOffset, int[] expectedProposalCounts)
throws Exception {
IFile file = getFile(fileName);
StructuredTextEditor editor = getEditor(file);
StructuredTextViewer viewer = editor.getTextViewer();
int offset = viewer.getDocument().getLineOffset(lineNum) + lineRelativeCharOffset;
ICompletionProposal[][] pages = getProposals(viewer, offset, expectedProposalCounts.length);
verifyProposalCounts(pages, expectedProposalCounts);
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets
* .Composite)
*/
@Override
public void createPartControl(Composite parent) {
int styles = SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.FULL_SELECTION;
fSourceViewer = new StructuredTextViewer(parent, null, null, false, styles);
fSourceViewer.setEditable(false);
fSourceViewer.configure(new StructuredTextViewerConfigurationHTML());
getSite()
.getWorkbenchWindow()
.getSelectionService()
.addSelectionListener(IDebugUIConstants.ID_DEBUG_VIEW, this);
getSite().setSelectionProvider(fSourceViewer.getSelectionProvider());
setBackgroundColor();
fTerminateListener =
new IDebugEventSetListener() {
public void handleDebugEvents(DebugEvent[] events) {
if (events != null) {
int size = events.length;
for (int i = 0; i < size; i++) {
Object obj = events[i].getSource();
if (!(obj instanceof IPHPDebugTarget || obj instanceof PHPThread)) continue;
if (events[i].getKind() == DebugEvent.TERMINATE
|| events[i].getKind() == DebugEvent.SUSPEND) {
final IPHPDebugTarget target;
if (obj instanceof IPHPDebugTarget) {
target = (IPHPDebugTarget) obj;
} else {
target = (IPHPDebugTarget) ((PHPThread) obj).getDebugTarget();
}
Job job =
new UIJob(PHPDebugUIMessages.PHPDebugUIPlugin_1) {
public IStatus runInUIThread(IProgressMonitor monitor) {
update(target);
return Status.OK_STATUS;
}
};
job.schedule();
}
}
}
}
};
DebugPlugin.getDefault().addDebugEventListener(fTerminateListener);
if (fPartListener == null) {
fPartListener = new DebugViewPartListener();
getSite().getPage().addPartListener(fPartListener);
}
}
private void setBackgroundColor() {
IPreferenceStore store = EditorsPlugin.getDefault().getPreferenceStore();
fSourceViewer.getTextWidget().setBackground(getBackgroundColor(store));
if (fPropertyChangeListener == null) {
fPropertyChangeListener =
new IPropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
IPreferenceStore store = EditorsPlugin.getDefault().getPreferenceStore();
String prop = event.getProperty();
if (prop.equals(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)
|| prop.equals(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND)) {
if (fSourceViewer == null
|| fSourceViewer.getTextWidget() == null
|| fSourceViewer.getTextWidget().isDisposed()) {
return;
}
fSourceViewer.getTextWidget().setBackground(getBackgroundColor(store));
}
}
};
store.addPropertyChangeListener(fPropertyChangeListener);
}
}
