From 77e5ecd4fc25c052340fc00cc974972b2323d3d1 Mon Sep 17 00:00:00 2001
From: Niki Roo <niki@nikiroo.be>
Date: Wed, 8 Apr 2020 17:47:23 +0200
Subject: [PATCH] fix tree snapshot for changing sources/authors

---
 .../fanfix_swing/gui/browser/BasicTab.java     | 18 +++++++++++++++---
 .../fanfix_swing/gui/browser/SourceTab.java    |  4 ++++
 .../fanfix_swing/gui/utils/TreeSnapshot.java   |  7 ++++++-
 3 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/src/be/nikiroo/fanfix_swing/gui/browser/BasicTab.java b/src/be/nikiroo/fanfix_swing/gui/browser/BasicTab.java
index e9e8edc..24b0d1f 100644
--- a/src/be/nikiroo/fanfix_swing/gui/browser/BasicTab.java
+++ b/src/be/nikiroo/fanfix_swing/gui/browser/BasicTab.java
@@ -98,7 +98,20 @@ public abstract class BasicTab<T> extends ListenerPanel {
 	}
 
 	public void reloadData() {
-		final TreeSnapshot snapshot = new TreeSnapshot(tree);
+		final TreeSnapshot snapshot = new TreeSnapshot(tree) {
+			@Override
+			protected boolean isSamePath(TreePath oldPath, TreePath newPath) {
+				String oldString = oldPath.toString();
+				if (oldString.endsWith("/]"))
+					oldString = oldString.substring(0, oldString.length() - 2) + "]";
+
+				String newString = newPath.toString();
+				if (newString.endsWith("/]"))
+					newString = newString.substring(0, newString.length() - 2) + "]";
+
+				return oldString.equals(newString);
+			}
+		};
 		SwingWorker<Map<String, List<String>>, Integer> worker = new SwingWorker<Map<String, List<String>>, Integer>() {
 			@Override
 			protected Map<String, List<String>> doInBackground() throws Exception {
@@ -205,8 +218,7 @@ public abstract class BasicTab<T> extends ListenerPanel {
 				}
 
 				String display = value == null ? "" : value.toString();
-				if (!display.isEmpty())
-					display = keyToDisplay(display);
+				display = keyToDisplay(display);
 
 				return super.getTreeCellRendererComponent(tree, display, selected, expanded, leaf, row, hasFocus);
 			}
diff --git a/src/be/nikiroo/fanfix_swing/gui/browser/SourceTab.java b/src/be/nikiroo/fanfix_swing/gui/browser/SourceTab.java
index 6abb464..63907dc 100644
--- a/src/be/nikiroo/fanfix_swing/gui/browser/SourceTab.java
+++ b/src/be/nikiroo/fanfix_swing/gui/browser/SourceTab.java
@@ -38,6 +38,10 @@ public class SourceTab extends BasicTab<Map<String, List<String>>> {
 
 	@Override
 	protected String keyToDisplay(String key) {
+		if (key.trim().isEmpty()) {
+			return "[*]"; // Root node
+		}
+
 		// Get and remove type
 		String type = key.substring(0, 1);
 		key = key.substring(1);
diff --git a/src/be/nikiroo/fanfix_swing/gui/utils/TreeSnapshot.java b/src/be/nikiroo/fanfix_swing/gui/utils/TreeSnapshot.java
index e202544..ad734a1 100644
--- a/src/be/nikiroo/fanfix_swing/gui/utils/TreeSnapshot.java
+++ b/src/be/nikiroo/fanfix_swing/gui/utils/TreeSnapshot.java
@@ -54,7 +54,7 @@ public class TreeSnapshot {
 				TreePath newPath = nodeToPath(newNode);
 				if (newPath != null) {
 					for (TreePath path : selectionPaths) {
-						if (newPath.toString().equals(path.toString())) {
+						if (isSamePath(path, newPath)) {
 							newSlectionPaths.add(newPath);
 							if (expanded.contains(path)) {
 								newExpanded.add(newPath);
@@ -72,6 +72,11 @@ public class TreeSnapshot {
 		tree.setSelectionPaths(newSlectionPaths.toArray(new TreePath[0]));
 	}
 
+	// You can override this
+	protected boolean isSamePath(TreePath oldPath, TreePath newPath) {
+		return newPath.toString().equals(oldPath.toString());
+	}
+
 	private void forEach(JTree tree, NodeAction action) {
 		forEach(tree.getModel(), tree.getModel().getRoot(), action);
 	}
-- 
2.27.0