From fcbf3ce37ca8f90a3e36d524a3274ffc063a40e3 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 14 Apr 2024 15:26:02 +0200
Subject: Adding upstream version 0.10.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 public/js/layout-plugins/page-breaker.js | 44 ++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 public/js/layout-plugins/page-breaker.js

(limited to 'public/js/layout-plugins/page-breaker.js')

diff --git a/public/js/layout-plugins/page-breaker.js b/public/js/layout-plugins/page-breaker.js
new file mode 100644
index 0000000..bdf04ec
--- /dev/null
+++ b/public/js/layout-plugins/page-breaker.js
@@ -0,0 +1,44 @@
+/* Icinga PDF Export | (c) 2021 Icinga GmbH | GPLv2 */
+
+"use strict";
+
+(() => {
+    Layout.registerPlugin('page-breaker', () => {
+        let pageBreaksFor = document.querySelector('[data-pdfexport-page-breaks-at]');
+        if (! pageBreaksFor) {
+            return;
+        }
+
+        let pageBreaksAt = pageBreaksFor.dataset.pdfexportPageBreaksAt;
+        if (! pageBreaksAt) {
+            return;
+        }
+
+        let contentHeight = document.body.dataset.contentHeight;
+        let items = Array.from(pageBreaksFor.querySelectorAll(':scope > ' + pageBreaksAt));
+
+        let remainingHeight = contentHeight;
+        items.forEach((item, i) => {
+            let requiredHeight;
+            if (i < items.length - 1) {
+                requiredHeight = items[i + 1].getBoundingClientRect().top - item.getBoundingClientRect().top;
+            } else {
+                requiredHeight = item.parentElement.getBoundingClientRect().bottom - item.getBoundingClientRect().top;
+            }
+
+            if (remainingHeight < requiredHeight) {
+                if (!! item.previousElementSibling) {
+                    item.previousElementSibling.style.pageBreakAfter = 'always';
+                    item.previousElementSibling.classList.add('page-break-follows');
+                } else {
+                    item.style.pageBreakAfter = 'always';
+                    item.classList.add('page-break-follows');
+                }
+
+                remainingHeight = contentHeight;
+            }
+
+            remainingHeight -= requiredHeight;
+        });
+    });
+})();
-- 
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