@Override
public final boolean update() {
CompositeAppearance oldText = myHighlightedText;
Icon oldIcon = getIcon();
int flags = Iconable.ICON_FLAG_VISIBILITY;
if (isMarkReadOnly()) {
flags |= Iconable.ICON_FLAG_READ_STATUS;
}
boolean changes = super.update();
PsiElement targetElement = getTargetElement();
String elementText = renderElement(targetElement);
if (elementText == null) {
String invalidPrefix = IdeBundle.message("node.hierarchy.invalid");
if (!myHighlightedText.getText().startsWith(invalidPrefix)) {
myHighlightedText
.getBeginning()
.addText(invalidPrefix, HierarchyNodeDescriptor.getInvalidPrefixAttributes());
}
return true;
}
Icon newIcon = targetElement.getIcon(flags);
if (changes && myIsBase) {
LayeredIcon icon = new LayeredIcon(2);
icon.setIcon(newIcon, 0);
icon.setIcon(AllIcons.Hierarchy.Base, 1, -AllIcons.Hierarchy.Base.getIconWidth() / 2, 0);
newIcon = icon;
}
setIcon(newIcon);
myHighlightedText = new CompositeAppearance();
TextAttributes mainTextAttributes = null;
if (myColor != null) {
mainTextAttributes = new TextAttributes(myColor, null, null, null, Font.PLAIN);
}
String packageName = null;
if (targetElement instanceof JetElement) {
packageName = JetPsiUtil.getPackageName((JetElement) targetElement);
} else {
PsiClass enclosingClass = PsiTreeUtil.getParentOfType(targetElement, PsiClass.class, false);
if (enclosingClass != null) {
packageName = JavaHierarchyUtil.getPackageName(enclosingClass);
}
}
myHighlightedText.getEnding().addText(elementText, mainTextAttributes);
if (usageCount > 1) {
myHighlightedText
.getEnding()
.addText(
IdeBundle.message("node.call.hierarchy.N.usages", usageCount),
HierarchyNodeDescriptor.getUsageCountPrefixAttributes());
}
if (packageName == null) {
packageName = "";
}
myHighlightedText
.getEnding()
.addText(" (" + packageName + ")", HierarchyNodeDescriptor.getPackageNameAttributes());
myName = myHighlightedText.getText();
if (!(Comparing.equal(myHighlightedText, oldText) && Comparing.equal(getIcon(), oldIcon))) {
changes = true;
}
return changes;
}
