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IJPL-171655 File chooser registers File Watcher lazily

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It allows postponing initialization of heavy IjentWslNioFileSystem until the contents of WSL directories is really required.


(cherry picked from commit 97cda46adbbfe804115160dd5b7f630ebf81fa17)

IJ-CR-149490

GitOrigin-RevId: aeb41904d59d71d4a70f20cff3adf8331d6fe93a
This commit is contained in:
Vladimir Lagunov
2024-11-15 17:54:44 +01:00
committed by intellij-monorepo-bot
parent 57f92b38c7
commit 5a58a3f2bf
1 changed files with 15 additions and 3 deletions
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18
platform/platform-impl/src/com/intellij/openapi/fileChooser/tree/FileTreeModel.java
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@@ -28,6 +28,7 @@ import com.intellij.util.ui.tree.AbstractTreeModel;
import it.unimi.dsi.fastutil.ints.IntArrayList;
import it.unimi.dsi.fastutil.ints.IntList;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.tree.TreePath;
@@ -95,7 +96,11 @@ public final class FileTreeModel extends AbstractTreeModel implements InvokerSup
}
else if (object instanceof Node) {
Entry<Node> entry = getEntry((Node)object, true);
if (entry != null) return entry.getChild(index);
if (entry != null) {
Node child = entry.getChild(index);
child.ensureInitialized();
return child;
}
}
return null;
}
@@ -394,11 +399,13 @@ public final class FileTreeModel extends AbstractTreeModel implements InvokerSup
}
private static class Node extends FileNode {
private final @Nullable FileRefresher myRefresher;
private boolean myInitialized;
private boolean invalid;
private Node(State state, VirtualFile file) {
super(file);
if (state.refresher != null && !state.refresher.isRecursive()) state.refresher.register(file);
this.myRefresher = state.refresher;
updateContent(state);
}
@@ -427,6 +434,12 @@ public final class FileTreeModel extends AbstractTreeModel implements InvokerSup
public String toString() {
return getName();
}
void ensureInitialized() {
if (myInitialized) return;
myInitialized = true;
if (myRefresher != null && !myRefresher.isRecursive()) myRefresher.register(getFile());
}
}
private static final class Root extends Node {
@@ -434,7 +447,6 @@ public final class FileTreeModel extends AbstractTreeModel implements InvokerSup
private Root(State state, VirtualFile file) {
super(state, file);
if (state.refresher != null && state.refresher.isRecursive()) state.refresher.register(file);
tree = new MapBasedTree<>(false, node -> node.getFile(), state.path);
tree.onInsert(node -> markDirtyInternal(node.getFile()));
tree.updateRoot(Pair.create(this, state.isLeaf(file)));