private boolean hideAutopopupIfMeaningless() {
if (!myLookup.isLookupDisposed()
&& isAutopopupCompletion()
&& !myLookup.isSelectionTouched()
&& !myLookup.isCalculating()) {
myLookup.refreshUi(true);
final List<LookupElement> items = myLookup.getItems();
for (LookupElement item : items) {
if (!myLookup.itemPattern(item).equals(item.getLookupString())) {
return false;
}
if (item.isValid()) {
final LookupElementPresentation presentation = new LookupElementPresentation();
item.renderElement(presentation);
if (StringUtil.isNotEmpty(presentation.getTailText())) {
return false;
}
}
}
myLookup.hideLookup(false);
LOG.assertTrue(CompletionServiceImpl.getCompletionService().getCurrentCompletion() == null);
CompletionServiceImpl.setCompletionPhase(new CompletionPhase.EmptyAutoPopup(this));
return true;
}
return false;
}
@Override
public void renderElement(LookupElementPresentation presentation) {
myTypeItems.get(0).renderElement(presentation);
presentation.setItemText(getLookupString());
presentation.setTailText(null);
presentation.setTypeText(null);
}
@Nullable
Font getFontAbleToDisplay(LookupElementPresentation p) {
String sampleString = p.getItemText() + p.getTailText() + p.getTypeText();
// assume a single font can display all lookup item chars
Set<Font> fonts = ContainerUtil.newHashSet();
for (int i = 0; i < sampleString.length(); i++) {
fonts.add(
EditorUtil.fontForChar(sampleString.charAt(i), Font.PLAIN, myLookup.getEditor())
.getFont());
}
eachFont:
for (Font font : fonts) {
if (font.equals(myNormalFont)) continue;
for (int i = 0; i < sampleString.length(); i++) {
if (!font.canDisplay(sampleString.charAt(i))) {
continue eachFont;
}
}
return font;
}
return null;
}
public void testPointerSpecType() {
myFixture.configureByText(
"foo.go", "package main; type a struct{};" + "func main() {q1, q2:=&a{};q<caret>}");
myFixture.completeBasic();
LookupElement first = ArrayUtil.getFirstElement(myFixture.getLookupElements());
assertNotNull(first);
LookupElementPresentation presentation = new LookupElementPresentation();
first.renderElement(presentation);
assertEquals("*main.a", presentation.getTypeText());
}
public void renderElement(LookupElementPresentation presentation) {
presentation.setItemText(getLookupString());
presentation.setTypeText(parameter.getType().toString());
if (!parameter.getValue().isEmpty())
presentation.appendTailText("(" + parameter.getValue() + ")", true);
presentation.setIcon(SilexIcons.Parameter);
}
public void setItemPresentation(LookupElement item, LookupElementPresentation presentation) {
final String invariant =
presentation.getItemText()
+ "###"
+ presentation.getTailText()
+ "###"
+ presentation.getTypeText();
synchronized (lock) {
myItemPresentations.put(item, invariant);
}
}
public void testCreate() {
DoctrineRepositoryLookupElement element =
DoctrineRepositoryLookupElement.create(
PhpElementsUtil.getClass(getProject(), "\\Foo\\Bar\\BarRepository"));
LookupElementPresentation presentation = new LookupElementPresentation();
element.renderElement(presentation);
assertEquals("Foo\\Bar\\BarRepository", element.getLookupString());
assertEquals(Symfony2Icons.DOCTRINE, presentation.getIcon());
assertEquals("BarRepository", presentation.getItemText());
assertEquals("Foo\\Bar\\BarRepository", presentation.getTypeText());
assertTrue(presentation.isTypeGrayed());
}
@Override
public void renderElement(LookupElementPresentation presentation) {
myClassItem.renderElement(presentation);
String tailText = StringUtil.notNullize(presentation.getTailText());
int genericsEnd = tailText.lastIndexOf('>') + 1;
presentation.clearTail();
presentation.appendTailText(tailText.substring(0, genericsEnd), false);
presentation.appendTailText(
MemberLookupHelper.getMethodParameterString(getObject(), getSubstitutor()), false);
presentation.appendTailText(tailText.substring(genericsEnd), true);
}
public boolean addItem(LookupElement item, PrefixMatcher matcher) {
LookupElementPresentation presentation = renderItemApproximately(item);
if (containsDummyIdentifier(presentation.getItemText())
|| containsDummyIdentifier(presentation.getTailText())
|| containsDummyIdentifier(presentation.getTypeText())) {
return false;
}
myMatchers.put(item, matcher);
updateLookupWidth(item, presentation);
synchronized (myList) {
myArranger.addElement(this, item, presentation);
}
return true;
}
private int setTypeTextLabel(
LookupElement item,
final Color background,
Color foreground,
final LookupElementPresentation presentation,
int allowedWidth,
boolean selected,
boolean nonFocusedSelection,
FontMetrics normalMetrics) {
final String givenText = presentation.getTypeText();
final String labelText =
trimLabelText(
StringUtil.isEmpty(givenText) ? "" : " " + givenText, allowedWidth, normalMetrics);
int used = RealLookupElementPresentation.getStringWidth(labelText, normalMetrics);
final Icon icon = presentation.getTypeIcon();
if (icon != null) {
myTypeLabel.setIcon(icon);
used += icon.getIconWidth();
}
Color sampleBackground = background;
Object o = item.isValid() ? item.getObject() : null;
//noinspection deprecation
if (o instanceof LookupValueWithUIHint && StringUtil.isEmpty(labelText)) {
//noinspection deprecation
Color proposedBackground = ((LookupValueWithUIHint) o).getColorHint();
if (proposedBackground != null) {
sampleBackground = proposedBackground;
}
myTypeLabel.append(" ");
used += normalMetrics.stringWidth("WW");
} else {
myTypeLabel.append(labelText);
}
myTypeLabel.setBackground(sampleBackground);
myTypeLabel.setForeground(
getTypeTextColor(item, foreground, presentation, selected, nonFocusedSelection));
return used;
}
private int setItemTextLabel(
LookupElement item,
final Color foreground,
final boolean selected,
LookupElementPresentation presentation,
int allowedWidth) {
boolean bold = presentation.isItemTextBold();
Font customItemFont = myLookup.getCustomFont(item, bold);
myNameComponent.setFont(
customItemFont != null ? customItemFont : bold ? myBoldFont : myNormalFont);
int style = getStyle(bold, presentation.isStrikeout(), presentation.isItemTextUnderlined());
final FontMetrics metrics = getRealFontMetrics(item, bold);
final String name = trimLabelText(presentation.getItemText(), allowedWidth, metrics);
int used = RealLookupElementPresentation.getStringWidth(name, metrics);
renderItemName(item, foreground, selected, style, name, myNameComponent);
return used;
}
@Override
public void addElement(
Lookup lookup, LookupElement element, LookupElementPresentation presentation) {
StatisticsWeigher.clearBaseStatisticsInfo(element);
final String invariant =
presentation.getItemText()
+ "###"
+ getTailTextOrSpace(presentation)
+ "###"
+ presentation.getTypeText();
element.putUserData(PRESENTATION_INVARIANT, invariant);
CompletionSorterImpl sorter = obtainSorter(element);
Classifier<LookupElement> classifier = myClassifiers.get(sorter);
if (classifier == null) {
myClassifiers.put(sorter, classifier = sorter.buildClassifier(new AlphaClassifier(lookup)));
}
classifier.addElement(element);
super.addElement(lookup, element, presentation);
}
private void doTestTagNameIcons(String fileName) throws IOException {
VirtualFile file = copyFileToProject(fileName);
myFixture.configureFromExistingVirtualFile(file);
final LookupElement[] elements = myFixture.complete(CompletionType.BASIC);
final Set<String> elementsToCheck =
new HashSet<String>(Arrays.asList("view", "include", "requestFocus", "fragment", "Button"));
for (LookupElement element : elements) {
final String s = element.getLookupString();
final Object obj = element.getObject();
if (elementsToCheck.contains(s)) {
LookupElementPresentation presentation = new LookupElementPresentation();
element.renderElement(presentation);
assertNotNull("no icon for element: " + element, presentation.getIcon());
if ("Button".equals(s)) {
assertInstanceOf(obj, PsiClass.class);
}
}
}
}
private void setTailTextLabel(
boolean isSelected,
LookupElementPresentation presentation,
Color foreground,
int allowedWidth,
boolean nonFocusedSelection,
FontMetrics fontMetrics) {
int style = getStyle(false, presentation.isStrikeout(), false);
for (LookupElementPresentation.TextFragment fragment : presentation.getTailFragments()) {
if (allowedWidth < 0) {
return;
}
String trimmed = trimLabelText(fragment.text, allowedWidth, fontMetrics);
myTailComponent.append(
trimmed,
new SimpleTextAttributes(
style, getTailTextColor(isSelected, fragment, foreground, nonFocusedSelection)));
allowedWidth -= RealLookupElementPresentation.getStringWidth(trimmed, fontMetrics);
}
}
private static Color getTypeTextColor(
LookupElement item,
Color foreground,
LookupElementPresentation presentation,
boolean selected,
boolean nonFocusedSelection) {
if (nonFocusedSelection) {
return foreground;
}
return presentation.isTypeGrayed()
? getGrayedForeground(selected)
: item instanceof EmptyLookupItem ? JBColor.foreground() : foreground;
}
int updateMaximumWidth(final LookupElementPresentation p, LookupElement item) {
final Icon icon = p.getIcon();
if (icon != null
&& (icon.getIconWidth() > myEmptyIcon.getIconWidth()
|| icon.getIconHeight() > myEmptyIcon.getIconHeight())) {
myEmptyIcon =
new EmptyIcon(
Math.max(icon.getIconWidth(), myEmptyIcon.getIconWidth()),
Math.max(icon.getIconHeight(), myEmptyIcon.getIconHeight()));
}
return RealLookupElementPresentation.calculateWidth(
p, getRealFontMetrics(item, false), getRealFontMetrics(item, true))
+ AFTER_TAIL
+ AFTER_TYPE;
}
@Override
public void renderElement(LookupElementPresentation presentation) {
super.renderElement(presentation);
final LookupElementPresentation qualifierPresentation = new LookupElementPresentation();
myQualifier.renderElement(qualifierPresentation);
String name = maybeAddParentheses(qualifierPresentation.getItemText());
final String qualifierText =
myQualifier.as(CastingLookupElementDecorator.CLASS_CONDITION_KEY) != null
? "(" + name + ")"
: name;
presentation.setItemText(qualifierText + "." + presentation.getItemText());
if (myQualifier instanceof LookupItem && getQualifierObject() instanceof PsiClass) {
String locationString =
JavaPsiClassReferenceElement.getLocationString((LookupItem) myQualifier);
presentation.setTailText(StringUtil.notNullize(presentation.getTailText()) + locationString);
}
}
public static void renderClassItem(
LookupElementPresentation presentation, LookupItem item, PsiClass psiClass, boolean diamond) {
if (!(psiClass instanceof PsiTypeParameter)) {
presentation.setIcon(DefaultLookupItemRenderer.getRawIcon(item, presentation.isReal()));
}
final boolean bold = item.getAttribute(LookupItem.HIGHLIGHTED_ATTR) != null;
boolean strikeout = JavaElementLookupRenderer.isToStrikeout(item);
presentation.setItemText(getName(psiClass, item, diamond));
presentation.setStrikeout(strikeout);
presentation.setItemTextBold(bold);
String tailText = StringUtil.notNullize((String) item.getAttribute(LookupItem.TAIL_TEXT_ATTR));
PsiSubstitutor substitutor = (PsiSubstitutor) item.getAttribute(LookupItem.SUBSTITUTOR);
if (item instanceof PsiTypeLookupItem
&& ((PsiTypeLookupItem) item).isIndicateAnonymous()
&& (psiClass.isInterface() || psiClass.hasModifierProperty(PsiModifier.ABSTRACT))) {
tailText = "{...}" + tailText;
}
if (substitutor == null && !diamond && psiClass.getTypeParameters().length > 0) {
tailText =
"<"
+ StringUtil.join(
psiClass.getTypeParameters(),
new Function<PsiTypeParameter, String>() {
@Override
public String fun(PsiTypeParameter psiTypeParameter) {
return psiTypeParameter.getName();
}
},
"," + (showSpaceAfterComma(psiClass) ? " " : ""))
+ ">"
+ tailText;
}
presentation.setTailText(tailText, true);
}
@Override
public Component getListCellRendererComponent(
final JList list, Object value, int index, boolean isSelected, boolean hasFocus) {
boolean nonFocusedSelection =
isSelected && myLookup.getFocusDegree() == LookupImpl.FocusDegree.SEMI_FOCUSED;
if (!myLookup.isFocused()) {
isSelected = false;
}
myIsSelected = isSelected;
final LookupElement item = (LookupElement) value;
final Color foreground = getForegroundColor(isSelected);
final Color background =
nonFocusedSelection
? SELECTED_NON_FOCUSED_BACKGROUND_COLOR
: isSelected ? SELECTED_BACKGROUND_COLOR : BACKGROUND_COLOR;
int allowedWidth = list.getWidth() - AFTER_TAIL - AFTER_TYPE - getIconIndent();
FontMetrics normalMetrics = getRealFontMetrics(item, false);
FontMetrics boldMetrics = getRealFontMetrics(item, true);
final LookupElementPresentation presentation =
new RealLookupElementPresentation(
isSelected ? getMaxWidth() : allowedWidth, normalMetrics, boldMetrics, myLookup);
AccessToken token = ReadAction.start();
try {
if (item.isValid()) {
try {
item.renderElement(presentation);
} catch (Exception e) {
LOG.error(e);
} catch (Error e) {
LOG.error(e);
}
} else {
presentation.setItemTextForeground(JBColor.RED);
presentation.setItemText("Invalid");
}
} finally {
token.finish();
}
myNameComponent.clear();
myNameComponent.setIcon(augmentIcon(presentation.getIcon(), myEmptyIcon));
myNameComponent.setBackground(background);
allowedWidth -=
setItemTextLabel(
item,
new JBColor(
isSelected ? SELECTED_FOREGROUND_COLOR : presentation.getItemTextForeground(),
foreground),
isSelected,
presentation,
allowedWidth);
Font customFont = myLookup.getCustomFont(item, false);
myTailComponent.setFont(customFont != null ? customFont : myNormalFont);
myTypeLabel.setFont(customFont != null ? customFont : myNormalFont);
myTypeLabel.clear();
if (allowedWidth > 0) {
allowedWidth -=
setTypeTextLabel(
item,
background,
foreground,
presentation,
isSelected ? getMaxWidth() : allowedWidth,
isSelected,
nonFocusedSelection,
normalMetrics);
}
myTailComponent.clear();
myTailComponent.setBackground(background);
if (isSelected || allowedWidth >= 0) {
setTailTextLabel(
isSelected,
presentation,
foreground,
isSelected ? getMaxWidth() : allowedWidth,
nonFocusedSelection,
normalMetrics);
}
if (mySelected.containsKey(index)) {
if (!isSelected && mySelected.get(index)) {
myPanel.setUpdateExtender(true);
}
}
mySelected.put(index, isSelected);
final double w =
myNameComponent.getPreferredSize().getWidth()
+ myTailComponent.getPreferredSize().getWidth()
+ myTypeLabel.getPreferredSize().getWidth();
boolean useBoxLayout =
isSelected
&& w > list.getWidth()
&& ((JBList) list).getExpandableItemsHandler().isEnabled();
if (useBoxLayout != myPanel.getLayout() instanceof BoxLayout) {
myPanel.removeAll();
if (useBoxLayout) {
myPanel.setLayout(new BoxLayout(myPanel, BoxLayout.X_AXIS));
myPanel.add(myNameComponent);
myPanel.add(myTailComponent);
myPanel.add(myTypeLabel);
} else {
myPanel.setLayout(new BorderLayout());
myPanel.add(myNameComponent, BorderLayout.WEST);
myPanel.add(myTailComponent, BorderLayout.CENTER);
myPanel.add(myTypeLabel, BorderLayout.EAST);
}
}
return myPanel;
}
@Override
public void renderElement(LookupElementPresentation presentation) {
super.renderElement(presentation);
presentation.setTypeText(myTypeText);
presentation.setIcon(PlatformIcons.METHOD_ICON);
}
@NotNull
private static String getTailTextOrSpace(LookupElementPresentation presentation) {
String tailText = presentation.getTailText();
return tailText == null || tailText.isEmpty() ? " " : tailText;
}