/*
* Copyright 2000-2013 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 com.intellij.coldFusion.UI.editorActions.completionProviders;
import com.intellij.codeInsight.completion.*;
import com.intellij.codeInsight.lookup.LookupElement;
import com.intellij.codeInsight.lookup.LookupElementBuilder;
import com.intellij.coldFusion.model.CfmlLanguage;
import com.intellij.coldFusion.model.CfmlUtil;
import com.intellij.coldFusion.model.lexer.CfmlTokenTypes;
import com.intellij.coldFusion.model.lexer.CfscriptTokenTypes;
import com.intellij.coldFusion.model.parsers.CfmlElementTypes;
import com.intellij.coldFusion.model.psi.CfmlAttribute;
import com.intellij.coldFusion.model.psi.CfmlComponent;
import com.intellij.coldFusion.model.psi.CfmlProperty;
import com.intellij.coldFusion.model.psi.impl.CfmlFunctionImpl;
import com.intellij.lang.ASTNode;
import com.intellij.lang.StdLanguages;
import com.intellij.openapi.editor.Editor;
import com.intellij.patterns.PatternCondition;
import com.intellij.patterns.PlatformPatterns;
import com.intellij.psi.PsiElement;
import com.intellij.psi.formatter.FormatterUtil;
import com.intellij.util.Function;
import com.intellij.util.ProcessingContext;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.Set;
import static com.intellij.codeInsight.completion.CompletionType.BASIC;
import static com.intellij.patterns.PlatformPatterns.psiElement;
import static com.intellij.patterns.XmlPatterns.xmlTag;
/**
* Created by Lera Nikolaenko
* Date: 09.10.2008
*/
public class CfmlCompletionContributor extends CompletionContributor {
@Override
public void beforeCompletion(@NotNull CompletionInitializationContext context) {
int offset = context.getStartOffset();
if (offset == 0 || !context.getFile().getViewProvider().getLanguages().contains(CfmlLanguage.INSTANCE)) {
return;
}
final PsiElement element = context.getFile().findElementAt(offset);
if (element != null && element.getTextRange().getStartOffset() != offset
&& context.getFile().findReferenceAt(offset) != null) {
context.setDummyIdentifier("");
}
else {/*
final CharSequence chars = context.getEditor().getDocument().getCharsSequence();
if (offset < 1) {
return;
}
char currChar = chars.charAt(offset - 1);
if (currChar == '<' || (offset >= 2 && currChar == '/' && chars.charAt(offset - 2) == '<')) {
context.setFileCopyPatcher(new DummyIdentifierPatcher("cf"));
} else if ((currChar == 'c' || currChar == 'C') &&
((offset >= 2 && chars.charAt(offset - 2) == '<') || ((offset >= 3 && chars.charAt(offset - 2) == '/' && chars.charAt(offset - 3) == '<')))) {
context.setFileCopyPatcher(new DummyIdentifierPatcher("f"));
}
*/
}
}
@Override
public String handleEmptyLookup(@NotNull CompletionParameters parameters, Editor editor) {
return super.handleEmptyLookup(parameters, editor); //To change body of overridden methods use File | Settings | File Templates.
}
public CfmlCompletionContributor() {
// TODO: check fileType somewhere
// tag names completion in template data, in open and close constructions in cfml data
CfmlTagNamesCompletionProvider tagNamesCompletionProvider = new CfmlTagNamesCompletionProvider();
extend(BASIC, PlatformPatterns.psiElement().afterLeaf(psiElement().withText("<")).withLanguage(StdLanguages.XML),
tagNamesCompletionProvider);
extend(BASIC, PlatformPatterns.psiElement().afterLeaf(psiElement().withText("<")).withLanguage(CfmlLanguage.INSTANCE),
tagNamesCompletionProvider);
extend(BASIC, PlatformPatterns.psiElement().afterLeaf(psiElement().withText("</")).withLanguage(CfmlLanguage.INSTANCE),
tagNamesCompletionProvider);
extend(BASIC, psiElement().inside(xmlTag()), tagNamesCompletionProvider);
// attributes completion
extend(BASIC, PlatformPatterns.psiElement().withElementType(CfmlTokenTypes.ATTRIBUTE).withLanguage(CfmlLanguage.INSTANCE),
new CfmlAttributeNamesCompletionProvider());
// attributes completion in script based components
extend(BASIC, PlatformPatterns.psiElement().withElementType(CfscriptTokenTypes.IDENTIFIER).withParent(CfmlAttribute.class).withLanguage(
CfmlLanguage.INSTANCE),
new CfmlAttributeNamesCompletionProvider());
// attribute completion for script property
extend(BASIC,
PlatformPatterns.psiElement().withElementType(CfscriptTokenTypes.IDENTIFIER).withParent(CfmlProperty.class).withLanguage(
CfmlLanguage.INSTANCE),
new CfmlAttributeNamesCompletionProvider());
//return type completion in script function definition
extend(BASIC,
PlatformPatterns.psiElement().withElementType(CfscriptTokenTypes.IDENTIFIER).withSuperParent(2, CfmlFunctionImpl.class)
.withLanguage(
CfmlLanguage.INSTANCE).with(
new PatternCondition<PsiElement>("") {
public boolean accepts(@NotNull PsiElement psiElement, ProcessingContext context) {
return (psiElement.getParent() != null && psiElement.getParent().getNode().getElementType() == CfmlElementTypes.TYPE);
}
}),
new CompletionProvider<CompletionParameters>() {
@Override
protected void addCompletions(@NotNull CompletionParameters parameters,
ProcessingContext context,
@NotNull CompletionResultSet result) {
String[] attributeValues = CfmlUtil.getAttributeValues("cffunction", "returntype", parameters.getPosition().getProject());
Set lookupResult = ContainerUtil.map2Set(attributeValues, new Function<String, LookupElement>() {
public LookupElementBuilder fun(final String argumentValue) {
return LookupElementBuilder.create(argumentValue).withCaseSensitivity(false);
}
});
result.addAllElements(lookupResult);
}
});
// property word completion for script
extend(BASIC,
psiElement().withElementType(CfscriptTokenTypes.IDENTIFIER).withSuperParent(2, CfmlComponent.class)
.withLanguage(
CfmlLanguage.INSTANCE).with(new PropertyPatternCondition()),
new CompletionProvider<CompletionParameters>() {
@Override
protected void addCompletions(@NotNull CompletionParameters parameters,
ProcessingContext context,
@NotNull CompletionResultSet result) {
result.addElement(LookupElementBuilder.create("property").withCaseSensitivity(false));
}
});
//attribute completion for script property without any attributes and ';' character//
extend(BASIC, PlatformPatterns.psiElement().withElementType(CfscriptTokenTypes.IDENTIFIER),
new CfmlAttributeNamesCompletionProvider());
// cfml createObject attribute completion
extend(BASIC, PlatformPatterns.psiElement().withElementType(CfmlTokenTypes.STRING_TEXT).withLanguage(CfmlLanguage.INSTANCE),
new CfmlArgumentValuesCompletionProvider());
// predefined attributes values completion
extend(BASIC, PlatformPatterns.psiElement().withElementType(CfmlTokenTypes.STRING_TEXT).withLanguage(CfmlLanguage.INSTANCE),
new CfmlAttributeValuesCompletionProvider());
// java class names completion
extend(BASIC, PlatformPatterns.psiElement().withElementType(CfmlTokenTypes.STRING_TEXT).withLanguage(CfmlLanguage.INSTANCE),
new CfmlJavaClassNamesCompletion());
// predefined and user defined function names completion
extend(BASIC, PlatformPatterns.psiElement().
withLanguage(CfmlLanguage.INSTANCE).
withElementType(CfscriptTokenTypes.IDENTIFIER).
with(new PatternCondition<PsiElement>("") {
public boolean accepts(@NotNull PsiElement psiElement, ProcessingContext context) {
return !(psiElement.getParent() instanceof CfmlAttribute) && (psiElement.getPrevSibling() == null ||
psiElement.getPrevSibling().getNode().getElementType() !=
CfscriptTokenTypes.POINT);
}
}), new CfmlFunctionNamesCompletionProvider());
// predefined variables completion
extend(BASIC, PlatformPatterns.psiElement().withElementType(CfscriptTokenTypes.IDENTIFIER).withLanguage(CfmlLanguage.INSTANCE),
new CfmlPredefinedVariablesCompletion());
}
private static class PropertyPatternCondition extends PatternCondition<PsiElement> {
public PropertyPatternCondition() {
super("");
}
public boolean accepts(@NotNull PsiElement psiElement, ProcessingContext context) {
boolean result = false;
PsiElement parent = psiElement.getParent();
ASTNode prevNode = FormatterUtil.getPreviousNonWhitespaceSibling(parent.getNode());
if (prevNode != null) {
result = prevNode.getElementType() == CfscriptTokenTypes.L_CURLYBRACKET;
if (!result && prevNode.getElementType() == CfscriptTokenTypes.SEMICOLON) {
ASTNode superPrevNode = FormatterUtil.getPreviousNonWhitespaceSibling(prevNode);
result = superPrevNode != null && superPrevNode.getElementType() == CfmlElementTypes.PROPERTY;
}
}
return result;
}
}
}