| /* |
| * 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.intentions; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.xml.XmlChildRole; |
| import com.intellij.psi.xml.XmlTag; |
| import org.intellij.lang.xpath.xslt.XsltSupport; |
| import org.intellij.lang.xpath.xslt.psi.*; |
| import org.intellij.lang.xpath.xslt.quickfix.AddWithParamFix; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| // Just a clever trick that makes use of the already existing quickfix and the completion for missing arguments. |
| public class AddOptionalArgumentsIntention extends AddWithParamFix { |
| |
| @NotNull |
| public String getFamilyName() { |
| return "Add optional Argument(s)"; |
| } |
| |
| @NotNull |
| public String getText() { |
| return getFamilyName(); |
| } |
| |
| public boolean isAvailableImpl(@NotNull Project project, Editor editor, PsiFile file) { |
| if (!XsltSupport.isXsltFile(file)) return false; |
| |
| final int offset = editor.getCaretModel().getOffset(); |
| final PsiElement element = file.findElementAt(offset); |
| if (element == null) return false; |
| final XmlTag tag = PsiTreeUtil.getParentOfType(element, XmlTag.class); |
| if (tag == null) return false; |
| if (!XsltSupport.isTemplateCall(tag)) return false; |
| |
| final XsltCallTemplate call = XsltElementFactory.getInstance().wrapElement(tag, XsltCallTemplate.class); |
| if (call == null) return false; |
| |
| final XsltTemplate template = call.getTemplate(); |
| if (template == null) return false; |
| |
| final Set<String> params = new HashSet<String>(); |
| final XsltParameter[] parameters = template.getParameters(); |
| for (XsltParameter parameter : parameters) { |
| if (parameter.hasDefault()) params.add(parameter.getName()); |
| } |
| final XsltWithParam[] arguments = call.getArguments(); |
| for (XsltWithParam argument : arguments) { |
| params.remove(argument.getParamName()); |
| } |
| |
| myTag = tag; |
| return params.size() > 0 && isAvailableAt(element, tag, offset); |
| } |
| |
| protected static boolean isAvailableAt(PsiElement element, XmlTag tag, int offset) { |
| final ASTNode node = tag.getNode(); |
| if (node != null) { |
| final ASTNode child = XmlChildRole.START_TAG_NAME_FINDER.findChild(node); |
| if (child != null && child.getTextRange().contains(offset)) { |
| return true; |
| } |
| } |
| |
| // final XmlAttribute att = PsiTreeUtil.getParentOfType(element, XmlAttribute.class); |
| // if (att != null && "name".equals(att.getName()) && att.getValueElement() != null) { |
| // return att.getValueElement().getTextRange().contains(offset); |
| // } |
| |
| return false; |
| } |
| } |