org.intellij.lang.xpath.xslt.quickfix.CreateTemplateFix.java Source code

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Here is the source code for org.intellij.lang.xpath.xslt.quickfix.CreateTemplateFix.java

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/*
 * 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 org.intellij.lang.xpath.xslt.XsltSupport;
import org.intellij.lang.xpath.xslt.util.XsltCodeInsightUtil;
import org.jetbrains.annotations.NotNull;
import com.intellij.codeInsight.CodeInsightUtilCore;
import com.intellij.codeInspection.LocalQuickFix;
import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.openapi.fileEditor.FileEditorManager;
import com.intellij.openapi.fileEditor.OpenFileDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.xml.XmlTag;

public class CreateTemplateFix implements LocalQuickFix {
    private static final String DUMMY_NS = "urn:x__dummy__";
    private static final String DUMMY_TAG = "<dummy xmlns='" + DUMMY_NS + "' />";

    private final XmlTag myTag;
    private final String myName;

    public CreateTemplateFix(XmlTag tag, String name) {
        myTag = tag;
        myName = name;
    }

    @NotNull
    @Override
    public String getName() {
        return "Create Template '" + myName + "'";
    }

    @NotNull
    @Override
    public String getFamilyName() {
        return "Create Template";
    }

    @Override
    public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
        final XmlTag tag = XsltCodeInsightUtil.getTemplateTag(myTag, false);
        if (tag == null) {
            return;
        }

        final XmlTag parentTag = tag.getParentTag();
        assert parentTag != null;

        XmlTag templateTag = parentTag.createChildTag("template", XsltSupport.XSLT_NS, DUMMY_TAG, false);
        templateTag.setAttribute("name", myName);

        final XmlTag[] arguments = myTag.findSubTags("with-param", XsltSupport.XSLT_NS);
        if (arguments.length > 0) {
            final XmlTag dummy = templateTag.findFirstSubTag("dummy");
            for (XmlTag arg : arguments) {
                final String argName = arg.getAttributeValue("name");
                if (argName != null) {
                    final XmlTag paramTag = parentTag.createChildTag("param", XsltSupport.XSLT_NS, null, false);
                    paramTag.setAttribute("name", argName);
                    templateTag.addBefore(paramTag, dummy);
                }
            }
        }

        // TODO ensure we have line breaks before the new <xsl:template> and between its opening and closing tags

        XmlTag newTemplateTag = CodeInsightUtilCore.forcePsiPostprocessAndRestoreElement(templateTag);

        OpenFileDescriptor openFileDescriptor = new OpenFileDescriptor(project,
                myTag.getContainingFile().getVirtualFile(), newTemplateTag.getTextRange().getStartOffset());
        FileEditorManager.getInstance(project).openTextEditor(openFileDescriptor, true);
    }
}