WIP

2026-05-25 17:32:18 -07:00
parent 9b28fbcfb6
commit d5648315a0
262 changed files with 32074 additions and 0 deletions
@@ -0,0 +1,49 @@
+
+export class TextareaUtils {
+
+    public static autoExpand(field: HTMLTextAreaElement) {
+        // 
+        if (field) {
+            // Reset field height
+            field.style.height = '0px';
+            const computed = window.getComputedStyle(field);
+            // Calculate the height
+            var height = 0
+                + parseInt(computed.getPropertyValue('border-top-width'), 10)
+                + field.scrollHeight
+                + parseInt(computed.getPropertyValue('border-bottom-width'), 10);
+
+            field.style.height = height + 'px';
+        }
+    }
+
+    public static isEditingKeyPress(e: KeyboardEvent) {
+
+        if ([46, 8, 9, 27, 13, 190].indexOf(e.keyCode) !== -1 ||
+            // Allow: Ctrl+A
+            (e.keyCode === 65 && (e.ctrlKey || e.metaKey)) ||
+            // Allow: Ctrl+C
+            (e.keyCode === 67 && (e.ctrlKey || e.metaKey)) ||
+            // Allow: Ctrl+V
+            (e.keyCode === 86 && (e.ctrlKey || e.metaKey)) ||
+            // Allow: Ctrl+X
+            (e.keyCode === 88 && (e.ctrlKey || e.metaKey)) ||
+            // Allow: page up, page down, home, end, left, right
+            (e.keyCode >= 33 && e.keyCode <= 39)) {
+            // let it happen, don't do anything
+            return false;
+        }
+
+        if (typeof e.which == "undefined") {
+            // This is IE, which only fires keypress events for printable keys
+            return true;
+        } else if (e.ctrlKey && e.key.toUpperCase() == 'V') {
+            return true;
+        }
+        else if (!e.ctrlKey && !e.metaKey && !e.altKey && e.code != 'Tab' && e.key != 'Control') {
+            return true;
+        }
+
+        return false;
+    }
+}