From 3ce9df9bae23d3f433f18ffc8325f8b38ba65a00 Mon Sep 17 00:00:00 2001
From: Ivo Oskamp <ivooskamp@oskamp.info>
Date: Mon, 1 Jun 2026 14:02:03 +0200
Subject: [PATCH] Editor: Find & Replace scope option

Add a "Current chapter only" checkbox to the Find & Replace modal. When
checked, search/replace runs against the open chapter instead of every chapter
in the book. Default unchecked, preserving the existing all-chapters behaviour.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 containers/novela/static/editor.js      | 31 ++++++++++++++++++++-----
 containers/novela/templates/editor.html |  3 ++-
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/containers/novela/static/editor.js b/containers/novela/static/editor.js
index ef4a058..520768b 100644
--- a/containers/novela/static/editor.js
+++ b/containers/novela/static/editor.js
@@ -596,6 +596,7 @@ async function replaceInAllChapters() {
   const replaceVal = document.getElementById('rp-replace').value;
   const useRegex   = document.getElementById('rp-regex').checked;
   const caseSens   = document.getElementById('rp-case').checked;
+  const currentOnly = document.getElementById('rp-current').checked;
 
   const runBtn = document.getElementById('rp-run');
   const prog   = document.getElementById('rp-progress');
@@ -620,10 +621,24 @@ async function replaceInAllChapters() {
   const curCh = currentCh();
   if (curCh) pendingContent.set(curCh._id, editor.getValue());
 
-  for (let i = 0; i < chapters.length; i++) {
-    const ch = chapters[i];
+  // Determine which chapters to process
+  let targets;
+  if (currentOnly) {
+    if (!curCh) {
+      prog.className   = 'modal-progress error';
+      prog.textContent = 'No chapter open.';
+      runBtn.disabled  = false;
+      return;
+    }
+    targets = [curCh];
+  } else {
+    targets = chapters;
+  }
+
+  for (let i = 0; i < targets.length; i++) {
+    const ch = targets[i];
     prog.className   = 'modal-progress';
-    prog.textContent = `Checking chapter ${i + 1} / ${chapters.length}…`;
+    prog.textContent = `Checking chapter ${i + 1} / ${targets.length}…`;
 
     let original;
     if (pendingContent.has(ch._id)) {
@@ -665,9 +680,13 @@ async function replaceInAllChapters() {
   updateSaveAll();
 
   prog.className   = totalOccurrences > 0 ? 'modal-progress ok' : 'modal-progress';
-  prog.textContent = totalOccurrences > 0
-    ? `${totalOccurrences} replacement${totalOccurrences !== 1 ? 's' : ''} in ${chaptersChanged} chapter${chaptersChanged !== 1 ? 's' : ''} — not saved yet.`
-    : 'No matches found.';
+  if (totalOccurrences === 0) {
+    prog.textContent = 'No matches found.';
+  } else if (currentOnly) {
+    prog.textContent = `${totalOccurrences} replacement${totalOccurrences !== 1 ? 's' : ''} in current chapter — not saved yet.`;
+  } else {
+    prog.textContent = `${totalOccurrences} replacement${totalOccurrences !== 1 ? 's' : ''} in ${chaptersChanged} chapter${chaptersChanged !== 1 ? 's' : ''} — not saved yet.`;
+  }
   runBtn.disabled = false;
 }
 
diff --git a/containers/novela/templates/editor.html b/containers/novela/templates/editor.html
index fca0712..1504eb7 100644
--- a/containers/novela/templates/editor.html
+++ b/containers/novela/templates/editor.html
@@ -82,7 +82,7 @@
 <!-- Find & Replace modal -->
 <div class="modal-backdrop" id="replace-modal">
   <div class="modal">
-    <div class="modal-title">Find &amp; Replace — all chapters</div>
+    <div class="modal-title">Find &amp; Replace</div>
     <div class="modal-field">
       <label class="modal-label">Search</label>
       <input class="modal-input" id="rp-search" type="text" placeholder="Search…" autocomplete="off"/>
@@ -94,6 +94,7 @@
     <div class="modal-options">
       <label class="modal-opt"><input type="checkbox" id="rp-regex"/> Regex</label>
       <label class="modal-opt"><input type="checkbox" id="rp-case"/> Case sensitive</label>
+      <label class="modal-opt"><input type="checkbox" id="rp-current"/> Current chapter only</label>
     </div>
     <div class="modal-progress" id="rp-progress"></div>
     <div class="modal-actions">