private void createFilterControl(Composite panel) {
// Filter control
searchControl = new SearchControl(panel);
if (isHorizontal) {
GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(searchControl);
} else {
GridDataFactory.fillDefaults().grab(true, false).applyTo(searchControl);
}
searchControl.setInitialText("Tag name");
searchControl.getFilterControl().setToolTipText(TOOLTIP_FILTER);
proposalAdapter =
new AutocompleteContentProposalAdapter(
searchControl.getFilterControl(),
new TextContentAdapter(),
new AutocompleteContentProposalProvider(),
null,
null);
proposalAdapter.setPropagateKeys(true);
proposalAdapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
proposalAdapter.addContentProposalListener(
new IContentProposalListener() {
@Override
public void proposalAccepted(IContentProposal proposal) {
selectAutocompleteOffer();
}
});
searchControl
.getFilterControl()
.addListener(
SWT.KeyDown,
new Listener() {
@Override
public void handleEvent(Event event) {
switch (event.keyCode) {
// ContentProposalAdapter can't be activated by any character and CTRL+SPACE at
// the same time,
// so by default it's activated by any alphanumeric character and here it's
// activated by CTRL+SPACE
case SWT.SPACE:
if ((event.stateMask & SWT.CTRL) == SWT.CTRL) {
proposalAdapter.showProposals();
event.doit = false;
}
break;
// Uses Enter to refresh listViewer if User typed filter query instead of using
// autocompletion
case SWT.CR:
selectAutocompleteOffer();
break;
}
}
});
}
private void updateFilterControl(IStructuredSelection selection) {
if (selection.size() >= 1) {
ArrayList<String> tags = new ArrayList<String>();
for (Object o : selection.toArray()) {
if (o instanceof Tag) {
String tagName = ((Tag) o).getPath();
if (tagName.matches(REGEX_SPEC_CHARS)) {
tags.add("\"" + tagName + "\"");
} else {
tags.add(tagName);
}
}
}
proposalAdapter.setEnabled(false);
searchControl.getFilterControl().setText(StringUtils.join(" " + OPERATOR_OR + " ", tags));
proposalAdapter.setEnabled(true);
if (selection.size() == 1) {
listViewer.setInput(
selection.getFirstElement()); // Don't run searching if only one tag is selected
} else {
updateList();
}
}
}
/** Updates RCPTT item list depending on current filter value. */
public void updateList() {
String string = searchControl.getFilterString();
if (string == null) string = "";
string = string.trim();
if (string.isEmpty()) {
listViewer.setInput(null);
} else {
listViewer.setInput(TagsSearch.findAllByExpression(string));
}
}