| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.jetbrains.plugins.groovy.lang.completion.handlers; |
| |
| import com.intellij.codeInsight.completion.InsertHandler; |
| import com.intellij.codeInsight.completion.InsertionContext; |
| import com.intellij.codeInsight.lookup.Lookup; |
| import com.intellij.codeInsight.lookup.LookupElement; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.editor.ScrollType; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.codeStyle.CodeStyleSettings; |
| import com.intellij.psi.codeStyle.CodeStyleSettingsManager; |
| import com.intellij.psi.codeStyle.CommonCodeStyleSettings; |
| import org.jetbrains.plugins.groovy.GroovyLanguage; |
| import org.jetbrains.plugins.groovy.codeStyle.GroovyCodeStyleSettings; |
| import org.jetbrains.plugins.groovy.lang.psi.api.auxiliary.GrListOrMap; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.arguments.GrArgumentList; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * @author Maxim.Medvedev |
| */ |
| public class NamedArgumentInsertHandler implements InsertHandler<LookupElement> { |
| |
| public static final NamedArgumentInsertHandler INSTANCE = new NamedArgumentInsertHandler(); |
| |
| private NamedArgumentInsertHandler() {} |
| |
| @Override |
| public void handleInsert(InsertionContext context, LookupElement item) { |
| int tailOffset = context.getTailOffset(); |
| |
| PsiElement argumentList = context.getFile().findElementAt(tailOffset - 1); |
| while (argumentList != null && !(argumentList instanceof GrArgumentList) && !(argumentList instanceof GrListOrMap)) { |
| argumentList = argumentList.getParent(); |
| } |
| |
| final Editor editor = context.getEditor(); |
| |
| if (argumentList != null) { |
| CodeStyleSettings settings = CodeStyleSettingsManager.getInstance(context.getProject()).getCurrentSettings(); |
| GroovyCodeStyleSettings codeStyleSettings = settings.getCustomSettings(GroovyCodeStyleSettings.class); |
| CommonCodeStyleSettings commonCodeStyleSettings = settings.getCommonSettings(GroovyLanguage.INSTANCE); |
| |
| boolean insertSpace = codeStyleSettings.SPACE_IN_NAMED_ARGUMENT; |
| |
| if (context.getCompletionChar() == ':' || (insertSpace && context.getCompletionChar() == ' ')) { |
| context.setAddCompletionChar(false); |
| } |
| |
| String argumentListText = argumentList.getText(); |
| |
| String s = argumentListText.substring(tailOffset - argumentList.getTextOffset()); |
| s = StringUtil.trimEnd(s, ")"); |
| |
| if (s.trim().isEmpty()) { |
| String toInsert = insertSpace ? ": " : ":"; |
| editor.getDocument().insertString(tailOffset, toInsert); |
| editor.getCaretModel().moveToOffset(tailOffset + toInsert.length()); |
| } |
| else { |
| if (context.getCompletionChar() == Lookup.REPLACE_SELECT_CHAR) { |
| char a = s.charAt(0); |
| if (Character.isLetterOrDigit(a)) { |
| return; |
| } |
| } |
| |
| Matcher m = Pattern.compile("([ \\t]*):([ \\t]*)(.*)", Pattern.DOTALL).matcher(s); |
| if (m.matches()) { |
| int caret = tailOffset + m.end(2); |
| |
| if (m.group(2).isEmpty()) { |
| editor.getDocument().insertString(caret, " "); |
| caret++; |
| } |
| |
| editor.getCaretModel().moveToOffset(caret); |
| } |
| else { |
| m = Pattern.compile("([ \\t]*)([\\n \\t]*)[\\],](.*)", Pattern.DOTALL).matcher(s); |
| if (m.matches()) { |
| String toInsert = insertSpace ? ": " : ":"; |
| editor.getDocument().replaceString(tailOffset, tailOffset + m.start(2), toInsert); |
| editor.getCaretModel().moveToOffset(tailOffset + toInsert.length()); |
| } |
| else { |
| m = Pattern.compile("([ \\t]*)(.*)", Pattern.DOTALL).matcher(s); |
| if (!m.matches()) throw new RuntimeException("This pattern must match any non-empty string! (" + s + ")"); |
| |
| StringBuilder sb = new StringBuilder(3); |
| sb.append(':'); |
| int shiftCaret = 1; |
| if (insertSpace) { |
| sb.append(' '); |
| shiftCaret++; |
| } |
| |
| if (!m.group(2).startsWith("\n") && commonCodeStyleSettings.SPACE_AFTER_COMMA) { |
| sb.append(' '); |
| } |
| |
| editor.getDocument().replaceString(tailOffset, tailOffset + m.start(2), sb); |
| editor.getCaretModel().moveToOffset(tailOffset + shiftCaret); |
| } |
| } |
| } |
| |
| editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE); |
| editor.getSelectionModel().removeSelection(); |
| } |
| } |
| } |