/*
 * Copyright 2005 Sascha Weinreuter
 *
 * 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.intellij.lang.xpath.xslt.quickfix;

import com.intellij.codeInsight.daemon.DaemonCodeAnalyzer;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiFile;
import com.intellij.psi.xml.XmlTag;
import com.intellij.util.IncorrectOperationException;
import org.intellij.lang.xpath.xslt.XsltSupport;
import org.intellij.lang.xpath.xslt.refactoring.RefactoringUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public abstract class AddParamBase extends AbstractFix {

    protected abstract String getParamName();

    protected abstract @Nullable XmlTag findTemplateTag();

    @Override
    protected boolean requiresEditor() {
        return false;
    }

    @Override
    public void invoke(@NotNull Project project, Editor editor, PsiFile psiFile) throws IncorrectOperationException {
        final XmlTag templateTag = findTemplateTag();
        assert templateTag != null;

        XmlTag paramTag = templateTag.createChildTag("param", XsltSupport.XSLT_NS, null, false);
        paramTag.setAttribute("name", getParamName());

        RefactoringUtil.addParameter(templateTag, paramTag);

        DaemonCodeAnalyzer.getInstance(project).restart(this);
    }
}