private void showNoSuggestions(boolean isExplicit) {
hideCurrentPopup();
if (!isExplicit) return;
final JComponent message =
HintUtil.createErrorLabel(IdeBundle.message("file.chooser.completion.no.suggestions"));
final ComponentPopupBuilder builder =
JBPopupFactory.getInstance().createComponentPopupBuilder(message, message);
builder
.setRequestFocus(false)
.setResizable(false)
.setAlpha(0.1f)
.setFocusOwners(new Component[] {myPathTextField});
myNoSuggestionsPopup = builder.createPopup();
myNoSuggestionsPopup.showInScreenCoordinates(getField(), getLocationForCaret(myPathTextField));
}
private void showCompletionPopup(
final CompletionResult result, int position, boolean isExplicit) {
if (myList == null) {
myList = new JBList();
myList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
myList.setCellRenderer(
new GroupedItemsListRenderer(
new ListItemDescriptor() {
public String getTextFor(final Object value) {
final LookupFile file = (LookupFile) value;
if (file.getMacro() != null) {
return file.getMacro();
} else {
return (myCurrentCompletion != null
&& myCurrentCompletion.myKidsAfterSeparator.contains(file)
? myFinder.getSeparator()
: "")
+ file.getName();
}
}
public String getTooltipFor(final Object value) {
return null;
}
public Icon getIconFor(final Object value) {
final LookupFile file = (LookupFile) value;
return file.getIcon();
}
@Nullable
private Separator getSeparatorAboveOf(Object value) {
if (myCurrentCompletion == null) return null;
final LookupFile file = (LookupFile) value;
final int fileIndex = myCurrentCompletion.myToComplete.indexOf(file);
if (fileIndex > 0 && !myCurrentCompletion.myMacros.contains(file)) {
final LookupFile prev = myCurrentCompletion.myToComplete.get(fileIndex - 1);
if (myCurrentCompletion.myMacros.contains(prev)) {
return new Separator("");
}
}
if (myCurrentCompletion.myKidsAfterSeparator.indexOf(file) == 0
&& myCurrentCompletion.mySiblings.size() > 0) {
final LookupFile parent = file.getParent();
return parent == null ? new Separator("") : new Separator(parent.getName());
}
if (myCurrentCompletion.myMacros.size() > 0 && fileIndex == 0) {
return new Separator(
IdeBundle.message("file.chooser.completion.path.variables.text"));
}
return null;
}
public boolean hasSeparatorAboveOf(final Object value) {
return getSeparatorAboveOf(value) != null;
}
public String getCaptionAboveOf(final Object value) {
final FileTextFieldImpl.Separator separator = getSeparatorAboveOf(value);
return separator != null ? separator.getText() : null;
}
}));
}
if (myCurrentPopup != null) {
closePopup();
}
myCurrentCompletion = result;
myCurrentCompletionsPos = position;
if (myCurrentCompletion.myToComplete.size() == 0) {
showNoSuggestions(isExplicit);
return;
}
myList.setModel(
new AbstractListModel() {
public int getSize() {
return myCurrentCompletion.myToComplete.size();
}
public Object getElementAt(final int index) {
return myCurrentCompletion.myToComplete.get(index);
}
});
myList.getSelectionModel().clearSelection();
final PopupChooserBuilder builder = JBPopupFactory.getInstance().createListPopupBuilder(myList);
builder.addListener(
new JBPopupListener() {
public void beforeShown(LightweightWindowEvent event) {
myPathTextField.registerKeyboardAction(
myCancelAction,
KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0),
JComponent.WHEN_IN_FOCUSED_WINDOW);
for (Action each : myDisabledTextActions) {
each.setEnabled(false);
}
}
public void onClosed(LightweightWindowEvent event) {
myPathTextField.unregisterKeyboardAction(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0));
for (Action each : myDisabledTextActions) {
each.setEnabled(true);
}
}
});
myCurrentPopup =
builder
.setRequestFocus(false)
.setAdText(getAdText(myCurrentCompletion))
.setAutoSelectIfEmpty(false)
.setResizable(false)
.setCancelCallback(
new Computable<Boolean>() {
public Boolean compute() {
final int caret = myPathTextField.getCaretPosition();
myPathTextField.setSelectionStart(caret);
myPathTextField.setSelectionEnd(caret);
myPathTextField.setFocusTraversalKeysEnabled(true);
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
getField().requestFocus();
}
});
return Boolean.TRUE;
}
})
.setItemChoosenCallback(
new Runnable() {
public void run() {
processChosenFromCompletion(false);
}
})
.setCancelKeyEnabled(false)
.setAlpha(0.1f)
.setFocusOwners(new Component[] {myPathTextField})
.createPopup();
if (result.myPreselected != null) {
myList.setSelectedValue(result.myPreselected, false);
}
myPathTextField.setFocusTraversalKeysEnabled(false);
myCurrentPopup.showInScreenCoordinates(getField(), getLocationForCaret(myPathTextField));
}