package com.jetbrains.lang.dart.ide.formatter;
import com.intellij.formatting.Alignment;
import com.intellij.lang.ASTNode;
import com.intellij.psi.codeStyle.CommonCodeStyleSettings;
import com.intellij.psi.tree.IElementType;
import org.jetbrains.annotations.Nullable;
import static com.jetbrains.lang.dart.DartTokenTypes.*;
import static com.jetbrains.lang.dart.DartTokenTypesSets.BINARY_EXPRESSIONS;
/**
* @author: Fedor.Korotkov
*/
public class DartAlignmentProcessor {
private final ASTNode myNode;
private final Alignment myBaseAlignment;
private final CommonCodeStyleSettings mySettings;
public DartAlignmentProcessor(ASTNode node, CommonCodeStyleSettings settings) {
myNode = node;
mySettings = settings;
myBaseAlignment = Alignment.createAlignment();
}
@Nullable
public Alignment createChildAlignment() {
IElementType elementType = myNode.getElementType();
if (BINARY_EXPRESSIONS.contains(elementType) && mySettings.ALIGN_MULTILINE_BINARY_OPERATION) {
return myBaseAlignment;
}
if (elementType == TERNARY_EXPRESSION && mySettings.ALIGN_MULTILINE_TERNARY_OPERATION) {
return myBaseAlignment;
}
if (elementType == FORMAL_PARAMETER_LIST) {
if (mySettings.ALIGN_MULTILINE_PARAMETERS) {
return myBaseAlignment;
}
}
if (elementType == ARGUMENTS) {
if (mySettings.ALIGN_MULTILINE_PARAMETERS_IN_CALLS) {
return myBaseAlignment;
}
}
return null;
}
}