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ColoredText: Merge fragments with the same attributes into a single one

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GitOrigin-RevId: 7fbe0ea6e64bc2abc6b4614b945f496d924bc28d
This commit is contained in:
Eldar Abusalimov
2021-10-08 02:33:48 +02:00
committed by intellij-monorepo-bot
parent 1f5967051d
commit 10aba77ce4
1 changed files with 28 additions and 1 deletions
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29
platform/core-ui/src/ui/ColoredText.java
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@@ -6,6 +6,7 @@ import com.intellij.ui.ColoredText.Fragment;
import org.jetbrains.annotations.Contract;
import org.jetbrains.annotations.Nls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Collections;
@@ -121,14 +122,40 @@ final class ColoredTextBuilderImpl implements Builder {
private final @NotNull List<@NotNull Fragment> myFragments = new ArrayList<>(2);
private final @Nls @NotNull StringBuilder myLastFragmentTextBuilder = new StringBuilder();
private @Nullable SimpleTextAttributes myLastFragmentAttributes = null;
@Override
public @NotNull Builder append(@Nls @NotNull String fragmentText, @NotNull SimpleTextAttributes attributes) {
myFragments.add(new ColoredTextFragmentImpl(fragmentText, attributes));
if (!fragmentText.isEmpty()) {
if (myLastFragmentAttributes == null && !myFragments.isEmpty()) {
int size = myFragments.size();
Fragment lastFragment = myFragments.get(size - 1);
if (attributes.equals(lastFragment.fragmentAttributes())) {
myLastFragmentTextBuilder.append(lastFragment.fragmentText());
myFragments.remove(size - 1);
}
}
if (!attributes.equals(myLastFragmentAttributes)) {
flushLastFragment();
}
myLastFragmentAttributes = attributes;
myLastFragmentTextBuilder.append(fragmentText);
}
return this;
}
private void flushLastFragment() {
if (myLastFragmentAttributes != null) {
myFragments.add(new ColoredTextFragmentImpl(myLastFragmentTextBuilder.toString(), myLastFragmentAttributes));
myLastFragmentTextBuilder.setLength(0);
myLastFragmentAttributes = null;
}
}
@Override
public @NotNull ColoredText build() {
flushLastFragment();
int size = myFragments.size();
if (size == 0) {
return ColoredTextImpl.EMPTY;