/*
 * Copyright 2011 Jon S Akhtar (Sylvanaar)
 *
 * 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.sylvanaar.idea.Lua.lang.documentor;

import com.intellij.lang.documentation.DocumentationProvider;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiManager;
import com.sylvanaar.idea.Lua.lang.psi.statements.LuaStatementElement;

import java.util.List;

/**
 * Created by IntelliJ IDEA.
 * User: Jon S Akhtar
 * Date: 1/29/11
 * Time: 8:26 AM
 */
public class ContextualDocumentationProvider implements DocumentationProvider {
    @Override
    public String getQuickNavigateInfo(PsiElement element, PsiElement originalElement) {
        // only time we see the two eleements equal is when we call for documentation
        // during parameter info display
        if (element == originalElement) return null;
        PsiElement s = element;

        while (!(s instanceof LuaStatementElement) && s != null) {
            s = s.getContext();
        }
        String s2 = s != null ? s.getText() : null;

        if (s2 == null) return null;

        String label = "[" + element.getContainingFile().getName() + "] \r\n";

        return label + s2.split("[\n\r]")[0];
    }

    @Override
    public List<String> getUrlFor(PsiElement element, PsiElement originalElement) {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }

    @Override
    public String generateDoc(PsiElement element, PsiElement originalElement) {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }

    @Override
    public PsiElement getDocumentationElementForLookupItem(PsiManager psiManager, Object object, PsiElement element) {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }

    @Override
    public PsiElement getDocumentationElementForLink(PsiManager psiManager, String link, PsiElement context) {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }
}