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/*
* 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.postfix.templates;
import com.intellij.codeInsight.template.Template;
import com.intellij.codeInsight.template.TemplateManager;
import com.intellij.codeInsight.template.impl.TextExpression;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Condition;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public abstract class StringBasedPostfixTemplate extends TypedPostfixTemplate {
public StringBasedPostfixTemplate(@NotNull String name,
@NotNull String example,
@NotNull PostfixTemplatePsiInfo psiInfo,
@NotNull Condition<PsiElement> typeChecker) {
super(name, example, psiInfo, typeChecker);
}
@Override
public final void expand(@NotNull PsiElement context, @NotNull Editor editor) {
PsiElement expr = myPsiInfo.getTopmostExpression(context);
assert expr != null;
Project project = context.getProject();
Document document = editor.getDocument();
PsiElement elementForRemoving = shouldRemoveParent() ? expr.getParent() : expr;
document.deleteString(elementForRemoving.getTextRange().getStartOffset(), elementForRemoving.getTextRange().getEndOffset());
TemplateManager manager = TemplateManager.getInstance(project);
String templateString = getTemplateString(expr);
if (templateString == null) {
PostfixTemplatesUtils.showErrorHint(expr.getProject(), editor);
return;
}
Template template = createTemplate(manager, templateString);
if (shouldAddExpressionToContext()) {
template.addVariable("expr", new TextExpression(expr.getText()), false);
}
setVariables(template, expr);
manager.startTemplate(editor, template);
}
public Template createTemplate(TemplateManager manager, String templateString) {
Template template = manager.createTemplate("", "", templateString);
template.setToReformat(shouldReformat());
return template;
}
public void setVariables(@NotNull Template template, @NotNull PsiElement element) {
}
@Nullable
public abstract String getTemplateString(@NotNull PsiElement element);
protected boolean shouldAddExpressionToContext() {
return true;
}
protected boolean shouldReformat() {
return true;
}
protected boolean shouldRemoveParent() {
return true;
}
}
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