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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.ide.scratch;
import com.intellij.icons.AllIcons;
import com.intellij.ide.presentation.Presentation;
import com.intellij.ide.presentation.PresentationProvider;
import com.intellij.lang.Language;
import com.intellij.openapi.util.Condition;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileManager;
import com.intellij.openapi.vfs.VirtualFileSystem;
import com.intellij.openapi.vfs.ex.dummy.DummyFileSystem;
import com.intellij.testFramework.LightVirtualFile;
import com.intellij.ui.LayeredIcon;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.util.List;
import java.util.Map;
public class ScratchpadFileSystem extends DummyFileSystem {
private static final String PROTOCOL = "scratchpad";
private final Map<String, VirtualFile> myCachedFiles = ContainerUtil.newHashMap();
public static ScratchpadFileSystem getScratchFileSystem() {
return (ScratchpadFileSystem)VirtualFileManager.getInstance().getFileSystem(PROTOCOL);
}
public void removeByPrefix(@NotNull final String prefix) {
List<String> toRemove = ContainerUtil.findAll(myCachedFiles.keySet(), new Condition<String>() {
@Override
public boolean value(String s) {
return s.startsWith(prefix);
}
});
for (String s : toRemove) {
myCachedFiles.remove(s);
}
}
@Override
public VirtualFile findFileByPath(@NotNull String path) {
VirtualFile file = myCachedFiles.get(path);
if (file != null && file.isValid()) return file;
return null;
}
@NotNull
public VirtualFile addFile(@NotNull String name, @NotNull Language language, @NotNull String prefix) {
VirtualFile file = new MyLightVirtualFile(name, language, prefix);
myCachedFiles.put(file.getPath(), file);
return file;
}
@NotNull
@Override
public String getProtocol() {
return PROTOCOL;
}
@NotNull
@Override
public String extractPresentableUrl(@NotNull String path) {
String substring = StringUtil.substringAfter(path, "/");
return substring != null ? substring : super.extractPresentableUrl(path);
}
@Presentation(provider = ScratchPresentation.class)
private static class MyLightVirtualFile extends LightVirtualFile {
private final String myPrefix;
public MyLightVirtualFile(@NotNull String fileName, @NotNull Language language, @NotNull String projectPrefix) {
super(fileName, language, "");
myPrefix = projectPrefix;
}
@NotNull
@Override
public VirtualFileSystem getFileSystem() {
return getScratchFileSystem();
}
@NotNull
@Override
public String getPath() {
return myPrefix + super.getPath();
}
}
public static class ScratchPresentation extends PresentationProvider<MyLightVirtualFile> {
@Override
public Icon getIcon(@NotNull MyLightVirtualFile file) {
return LayeredIcon.create(file.getFileType().getIcon(), AllIcons.Actions.New);
}
}
}
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