/*
* Copyright 2003-2011 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 jetbrains.mps.plugin;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.DataKeys;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiField;
import com.intellij.psi.PsiMethod;
public class FindClassUsagesInMPS extends AnAction {
public void update(AnActionEvent anActionEvent) {
super.update(anActionEvent);
PsiElement element = PluginUtil.getCurrentElement(anActionEvent);
PsiClass cls = getPsiClass(element);
if (cls == null) {
anActionEvent.getPresentation().setVisible(false);
anActionEvent.getPresentation().setEnabled(false);
} else {
anActionEvent.getPresentation().setVisible(true);
anActionEvent.getPresentation().setEnabled(true);
}
}
private PsiClass getPsiClass(PsiElement element) {
if (element == null) {
return null;
}
PsiClass cls = PluginUtil.getElement(element, PsiClass.class);
if (PluginUtil.getElement(element, PsiMethod.class) != null || PluginUtil.getElement(element, PsiField.class) != null) {
cls = null;
}
return cls;
}
public void actionPerformed(AnActionEvent anActionEvent) {
PsiElement element = PluginUtil.getCurrentElement(anActionEvent);
Project project = anActionEvent.getData(DataKeys.PROJECT);
if (project == null) return;
ProjectHandler projectHandler = project.getComponent(ProjectHandler.class);
PsiClass cls = getPsiClass(element);
projectHandler.showClassUsages(cls.getQualifiedName());
}
}