primo commit

media/regularlabs/js/textarea.js

@@ -0,0 +1,50 @@
+/**
+ * @package         Regular Labs Library
+ * @version         24.11.1459
+ * 
+ * @author          Peter van Westen <info@regularlabs.com>
+ * @link            https://regularlabs.com
+ * @copyright       Copyright © 2024 Regular Labs All Rights Reserved
+ * @license         GNU General Public License version 2 or later
+ */
+
+"use strict";
+
+(function() {
+    'use strict';
+
+    window.RegularLabs = window.RegularLabs || {};
+
+    window.RegularLabs.TextArea = window.RegularLabs.TextArea || {
+        prependTextarea: function(id, content, separator) {
+            const textarea      = $(`#${id}`);
+            let originalContent = textarea.val().trim();
+
+            if (originalContent && separator) {
+                separator       = separator === 'none' ? '' : `\n\n${separator}`;
+                originalContent = `${separator}\n\n${originalContent}`;
+            }
+
+            textarea.val(`${content}${originalContent}`);
+            this.moveCursorInTextareaTo(id, content.length);
+        },
+
+        moveCursorInTextareaTo: function(id, position) {
+            const textarea = document.getElementById(id);
+
+            if (textarea.setSelectionRange) {
+                textarea.focus();
+                textarea.setSelectionRange(position, position);
+                textarea.scrollTop = 0;
+                return;
+            }
+
+            if (textarea.createTextRange) {
+                var range = textarea.createTextRange();
+                range.moveStart('character', position);
+                range.select();
+                textarea.scrollTop = 0;
+            }
+        },
+    };
+})();