/**
* When the item is selected then we use default tree's selection foreground. It guaranties
* readability of selected text in any LAF.
*/
@Override
public void append(
@NotNull @Nls String fragment, @NotNull SimpleTextAttributes attributes, boolean isMainText) {
if (mySelected && isFocused()) {
super.append(
fragment,
new SimpleTextAttributes(attributes.getStyle(), UIUtil.getTreeSelectionForeground()),
isMainText);
} else if (mySelected && UIUtil.isUnderAquaBasedLookAndFeel()) {
super.append(
fragment,
new SimpleTextAttributes(attributes.getStyle(), UIUtil.getTreeForeground()),
isMainText);
} else {
super.append(fragment, attributes, isMainText);
}
}
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 void renderItemName(
LookupElement item,
Color foreground,
boolean selected,
@SimpleTextAttributes.StyleAttributeConstant int style,
String name,
final SimpleColoredComponent nameComponent) {
final SimpleTextAttributes base = new SimpleTextAttributes(style, foreground);
final String prefix = item instanceof EmptyLookupItem ? "" : myLookup.itemPattern(item);
if (prefix.length() > 0) {
Iterable<TextRange> ranges = getMatchingFragments(prefix, name);
if (ranges != null) {
SimpleTextAttributes highlighted =
new SimpleTextAttributes(
style, selected ? SELECTED_PREFIX_FOREGROUND_COLOR : PREFIX_FOREGROUND_COLOR);
SpeedSearchUtil.appendColoredFragments(nameComponent, name, ranges, base, highlighted);
return;
}
}
nameComponent.append(name, base);
}
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);
}
}