From 0df02b8c9d5f160d52089395d0a146a800baa696 Mon Sep 17 00:00:00 2001
From: 0xb00bface <0xboobface@gmail.com>
Date: Sat, 2 Jan 2021 16:58:07 +0100
Subject: [PATCH] Show progress indicator and a label if nothing was found

---
 CHANGELOG.md                                  |  4 +++
 .../java/ctbrec/ui/tabs/ThumbOverviewTab.java | 29 ++++++++++++++-----
 2 files changed, 25 insertions(+), 8 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad2c60d0..6c509f2b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+NEXT
+========================
+* Added config option to show the total number of models in the title bar
+
 3.11.0
 ========================
 * Added config option for faster scroll speed
diff --git a/client/src/main/java/ctbrec/ui/tabs/ThumbOverviewTab.java b/client/src/main/java/ctbrec/ui/tabs/ThumbOverviewTab.java
index 065633b4..4149eceb 100644
--- a/client/src/main/java/ctbrec/ui/tabs/ThumbOverviewTab.java
+++ b/client/src/main/java/ctbrec/ui/tabs/ThumbOverviewTab.java
@@ -125,6 +125,7 @@ public class ThumbOverviewTab extends Tab implements TabSelectionListener {
     double imageAspectRatio = 3.0 / 4.0;
     private final SimpleBooleanProperty preserveAspectRatio = new SimpleBooleanProperty(true);
     ProgressIndicator progressIndicator;
+    Label noResultsFound = new Label("Nothing found!");
 
     private ComboBox<Integer> thumbWidth;
 
@@ -367,6 +368,7 @@ public class ThumbOverviewTab extends Tab implements TabSelectionListener {
         try {
             ObservableList<Node> nodes = grid.getChildren();
             nodes.remove(progressIndicator);
+            nodes.remove(noResultsFound);
 
             // first remove models, which are not in the updated list
             removeModelsMissingInUpdate(nodes, models);
@@ -380,6 +382,11 @@ public class ThumbOverviewTab extends Tab implements TabSelectionListener {
 
             // move models, which are tracked by the recorder to the front
             moveActiveRecordingsToFront();
+
+            // show "empty" label, if grid is still empty
+            if (grid.getChildren().isEmpty()) {
+                nodes.add(noResultsFound);
+            }
         } finally {
             gridLock.unlock();
         }
@@ -774,12 +781,14 @@ public class ThumbOverviewTab extends Tab implements TabSelectionListener {
         // remove the ones from grid, which don't match
         for (Iterator<Node> iterator = grid.getChildren().iterator(); iterator.hasNext();) {
             Node node = iterator.next();
-            ThumbCell cell = (ThumbCell) node;
-            Model m = cell.getModel();
-            if(!matches(m, filter)) {
-                iterator.remove();
-                filteredThumbCells.add(cell);
-                cell.setSelected(false);
+            if (node instanceof ThumbCell) {
+                ThumbCell cell = (ThumbCell) node;
+                Model m = cell.getModel();
+                if (!matches(m, filter)) {
+                    iterator.remove();
+                    filteredThumbCells.add(cell);
+                    cell.setSelected(false);
+                }
             }
         }
 
@@ -887,8 +896,12 @@ public class ThumbOverviewTab extends Tab implements TabSelectionListener {
 
     @Override
     public void selected() {
+        grid.getChildren().remove(noResultsFound);
+        if (grid.getChildren().isEmpty()) {
+            grid.getChildren().add(progressIndicator);
+        }
         queue.clear();
-        if(updateService != null) {
+        if (updateService != null) {
             State s = updateService.getState();
             if (s != State.SCHEDULED && s != State.RUNNING) {
                 updateService.reset();
@@ -907,7 +920,7 @@ public class ThumbOverviewTab extends Tab implements TabSelectionListener {
 
         for (Iterator<Node> iterator = grid.getChildren().iterator(); iterator.hasNext();) {
             Node node = iterator.next();
-            if(node instanceof ThumbCell) {
+            if (node instanceof ThumbCell) {
                 ThumbCell thumbCell = (ThumbCell) node;
                 thumbCell.releaseResources();
                 iterator.remove();