/*
* Copyright 2013-2016 consulo.io
*
* 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 consulo.ide;
import com.intellij.icons.AllIcons;
import com.intellij.openapi.util.Iconable;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.WritingAccessProvider;
import com.intellij.psi.PsiElement;
import com.intellij.psi.util.PsiUtilCore;
import com.intellij.util.BitUtil;
import consulo.annotations.RequiredReadAction;
import org.jetbrains.annotations.NotNull;
/**
* @author VISTALL
* @since 1:10/19.07.13
*/
public class LockedIconDescriptorUpdater implements IconDescriptorUpdater {
@RequiredReadAction
@Override
public void updateIcon(@NotNull IconDescriptor iconDescriptor, @NotNull PsiElement element, int flags) {
if (BitUtil.isSet(flags, Iconable.ICON_FLAG_READ_STATUS)) {
VirtualFile file = PsiUtilCore.getVirtualFile(element);
final boolean isLocked = !element.isWritable() || !WritingAccessProvider.isPotentiallyWritable(file, element.getProject());
if (isLocked) {
iconDescriptor.addLayerIcon(AllIcons.Nodes.Locked);
}
}
}
}