| /* |
| * Copyright 2000-2014 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.codeInsight.template.impl; |
| |
| import com.intellij.lang.documentation.AbstractDocumentationProvider; |
| import com.intellij.navigation.ItemPresentation; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiManager; |
| import com.intellij.psi.impl.FakePsiElement; |
| import com.intellij.psi.impl.source.DummyHolder; |
| import com.intellij.psi.impl.source.DummyHolderFactory; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| |
| public class LiveTemplateDocumentationProvider extends AbstractDocumentationProvider { |
| @Override |
| public PsiElement getDocumentationElementForLookupItem(PsiManager psiManager, Object object, PsiElement element) { |
| if (object instanceof LiveTemplateLookupElementImpl) { |
| TemplateImpl template = ((LiveTemplateLookupElementImpl)object).getTemplate(); |
| final TemplateImpl templateFromSettings = TemplateSettings.getInstance().getTemplate(template.getKey(), template.getGroupName()); |
| if (templateFromSettings != null) { |
| return new LiveTemplateElement(templateFromSettings, psiManager); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public String generateDoc(PsiElement element, @Nullable PsiElement originalElement) { |
| if (!(element instanceof LiveTemplateElement)) { |
| return null; |
| } |
| |
| TemplateImpl template = ((LiveTemplateElement)element).getTemplate(); |
| StringBuilder doc = new StringBuilder("<h2>").append(template.getKey()).append("</h2>"); |
| String description = template.getDescription(); |
| if (StringUtil.isNotEmpty(description)) { |
| doc.append("<pre>").append(StringUtil.escapeXml(description)).append("</pre><h2>template text</h2>"); |
| } |
| return doc.append("<pre>").append(StringUtil.escapeXml(template.getString())).append("</pre>").toString(); |
| } |
| |
| private static class LiveTemplateElement extends FakePsiElement { |
| @NotNull private final TemplateImpl myTemplate; |
| @NotNull private final PsiManager myPsiManager; |
| @NotNull private DummyHolder myDummyHolder; |
| |
| public LiveTemplateElement(@NotNull TemplateImpl template, @NotNull PsiManager psiManager) { |
| myTemplate = template; |
| myPsiManager = psiManager; |
| myDummyHolder = DummyHolderFactory.createHolder(myPsiManager, null); |
| } |
| |
| @NotNull |
| public TemplateImpl getTemplate() { |
| return myTemplate; |
| } |
| |
| @Override |
| public PsiElement getParent() { |
| return myDummyHolder; |
| } |
| |
| @Override |
| public ItemPresentation getPresentation() { |
| return new ItemPresentation() { |
| @Nullable |
| @Override |
| public String getPresentableText() { |
| return myTemplate.getKey(); |
| } |
| |
| @Nullable |
| @Override |
| public String getLocationString() { |
| return null; |
| } |
| |
| @Nullable |
| @Override |
| public Icon getIcon(boolean unused) { |
| return null; |
| } |
| }; |
| } |
| |
| @Override |
| public PsiManager getManager() { |
| return myPsiManager; |
| } |
| } |
| } |