chore: camel-jbang - fix the SourceSizeTest failure on main: SourceTab.java is over 2000 lines

dsl/camel-jbang/camel-jbang-plugin-tui/src/main/java/org/apache/camel/dsl/jbang/core/commands/tui/SourceEmptyLines.java

@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.camel.dsl.jbang.core.commands.tui;
+
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+
+import dev.tamboui.style.Style;
+import dev.tamboui.text.Line;
+import dev.tamboui.text.Span;
+
+/**
+ * The routes of the project, shown in the Source pane of {@link SourceTab} before a file is opened.
+ */
+final class SourceEmptyLines {
+
+    private SourceEmptyLines() {
+    }
+
+    /**
+     * What the Source pane shows before a file is opened: the routes of the project and where they are, so a Maven
+     * project (whose routes are folders deep) shows what it holds and how to open one.
+     */
+    static List<Line> of(List<SourceTab.RouteEntry> routes, Path root) {
+        List<Line> lines = new ArrayList<>();
+        lines.add(Line.from(Span.raw("")));
+        if (routes.isEmpty()) {
+            lines.add(Line.from(Span.styled("   Select a file and press Enter to view source", Style.EMPTY.dim())));
+            return lines;
+        }
+        lines.add(Line.from(Span.styled("   " + routes.size() + (routes.size() == 1 ? " route" : " routes")
+                                        + " in this project",
+                Theme.label())));
+        lines.add(Line.from(Span.raw("")));
+        int idWidth = 4;
+        for (SourceTab.RouteEntry re : routes) {
+            idWidth = Math.max(idWidth, label(re).length());
+        }
+        idWidth = Math.min(idWidth, 30);
+        for (SourceTab.RouteEntry re : routes) {
+            String where = re.filePath();
+            if (root != null && where != null) {
+                try {
+                    where = root.relativize(Path.of(where)).toString();
+                } catch (IllegalArgumentException e) {
+                    // not under the project: keep the full path
+                }
+            }
+            lines.add(Line.from(
+                    Span.styled("   " + String.format("%-" + idWidth + "s", TuiHelper.truncate(label(re), idWidth)),
+                            Theme.info()),
+                    Span.styled("  " + where + ":" + re.fromLine(), Style.EMPTY.dim())));
+        }
+        lines.add(Line.from(Span.raw("")));
+        lines.add(Line.from(
+                Span.styled("   ", Style.EMPTY),
+                Span.styled(" g ", Theme.hintKey()),
+                Span.styled(" opens a route, or select a file and press Enter", Style.EMPTY.dim())));
+        return lines;
+    }
+
+    private static String label(SourceTab.RouteEntry re) {
+        if (re.routeId() != null && !re.routeId().isBlank()) {
+            return re.routeId();
+        }
+        return re.fromUri() != null ? re.fromUri() : "";
+    }
+}

dsl/camel-jbang/camel-jbang-plugin-tui/src/main/java/org/apache/camel/dsl/jbang/core/commands/tui/SourceTab.java

@@ -1145,55 +1145,6 @@ private void renderInfoPanel(Frame frame, Rect area) {
                 area);
     }
 
-    /**
-     * What the Source pane shows before a file is opened: the routes of the project and where they are, so a Maven
-     * project (whose routes are folders deep) shows what it holds and how to open one.
-     */
-    static List<Line> emptySourceLines(List<RouteEntry> routes, Path root) {
-        List<Line> lines = new ArrayList<>();
-        lines.add(Line.from(Span.raw("")));
-        if (routes.isEmpty()) {
-            lines.add(Line.from(Span.styled("   Select a file and press Enter to view source", Style.EMPTY.dim())));
-            return lines;
-        }
-        lines.add(Line.from(Span.styled("   " + routes.size() + (routes.size() == 1 ? " route" : " routes")
-                                        + " in this project",
-                Theme.label())));
-        lines.add(Line.from(Span.raw("")));
-        int idWidth = 4;
-        for (RouteEntry re : routes) {
-            idWidth = Math.max(idWidth, label(re).length());
-        }
-        idWidth = Math.min(idWidth, 30);
-        for (RouteEntry re : routes) {
-            String where = re.filePath();
-            if (root != null && where != null) {
-                try {
-                    where = root.relativize(Path.of(where)).toString();
-                } catch (IllegalArgumentException e) {
-                    // not under the project: keep the full path
-                }
-            }
-            lines.add(Line.from(
-                    Span.styled("   " + String.format("%-" + idWidth + "s", TuiHelper.truncate(label(re), idWidth)),
-                            Theme.info()),
-                    Span.styled("  " + where + ":" + re.fromLine(), Style.EMPTY.dim())));
-        }
-        lines.add(Line.from(Span.raw("")));
-        lines.add(Line.from(
-                Span.styled("   ", Style.EMPTY),
-                Span.styled(" g ", Theme.hintKey()),
-                Span.styled(" opens a route, or select a file and press Enter", Style.EMPTY.dim())));
-        return lines;
-    }
-
-    private static String label(RouteEntry re) {
-        if (re.routeId() != null && !re.routeId().isBlank()) {
-            return re.routeId();
-        }
-        return re.fromUri() != null ? re.fromUri() : "";
-    }
-
     // the Route Tree setting last given to the editor: it is given again only when it changes, so Ctrl+T holds
     private Boolean routeTreeDefault;
 
@@ -1217,7 +1168,7 @@ private void renderSourcePanel(Frame frame, Rect area) {
             runState.render(frame, area);
         } else {
             runState.shown(null, false);
-            List<Line> lines = emptySourceLines(routeIndex, rootDir);
+            List<Line> lines = SourceEmptyLines.of(routeIndex, rootDir);
 
             frame.renderWidget(
                     Paragraph.builder()

dsl/camel-jbang/camel-jbang-plugin-tui/src/test/java/org/apache/camel/dsl/jbang/core/commands/tui/OpenedProjectViewsTest.java

@@ -47,7 +47,7 @@ void theSourcePaneListsTheRoutesOfTheProject() {
                                 "src/main/java/org/acme/TimerRoute.java").toString(),
                         27));
 
-        List<String> text = text(SourceTab.emptySourceLines(routes, dir));
+        List<String> text = text(SourceEmptyLines.of(routes, dir));
         assertThat(text).anyMatch(l -> l.contains("2 routes in this project"));
         assertThat(text).anyMatch(l -> l.contains("yaml-route") && l.contains("src/main/resources/camel/my-routes.yaml:20"));
         // a route without an id by its endpoint
@@ -57,7 +57,7 @@ void theSourcePaneListsTheRoutesOfTheProject() {
 
     @Test
     void withoutRoutesTheHintStays() {
-        assertThat(text(SourceTab.emptySourceLines(List.of(), dir)))
+        assertThat(text(SourceEmptyLines.of(List.of(), dir)))
                 .anyMatch(l -> l.contains("Select a file and press Enter"));
     }