Update builder.html

builder.html

@@ -8,7 +8,12 @@
     <link rel="stylesheet" href="https://unpkg.com/grapesjs/dist/css/grapes.min.css">
 
 
-   <style>
+    <style>
+        .container {
+            position: relative;
+            width: 100%;
+            height: 100vh;
+        }
         .draggable {
             position: absolute;
             cursor: move;
@@ -35,12 +40,13 @@
         const blockManager = editor.BlockManager;
         blockManager.add('draggable-button', {
             label: 'Draggable Button',
-            content: `<button class="draggable" draggable="true">Давай</button>`,
+            content: `<div class="container"><button class="draggable" draggable="true">Давай</button></div>`,
             attributes: { class: 'gjs-block-section' }
         });
 
         document.addEventListener('DOMContentLoaded', function() {
             var button = document.querySelector('.draggable');
+            var container = document.querySelector('.container');
             var offsetX = 0, offsetY = 0, isDragging = false;
 
             button.addEventListener('mousedown', function(e) {
@@ -51,8 +57,18 @@
 
             document.addEventListener('mousemove', function(e) {
                 if (isDragging) {
-                    button.style.left = (e.clientX - offsetX) + 'px';
-                    button.style.top = (e.clientY - offsetY) + 'px';
+                    var newLeft = e.clientX - offsetX;
+                    var newTop = e.clientY - offsetY;
+                    if (newLeft < 0) newLeft = 0;
+                    if (newTop < 0) newTop = 0;
+                    if (newLeft + button.offsetWidth > container.offsetWidth) {
+                        newLeft = container.offsetWidth - button.offsetWidth;
+                    }
+                    if (newTop + button.offsetHeight > container.offsetHeight) {
+                        newTop = container.offsetHeight - button.offsetHeight;
+                    }
+                    button.style.left = newLeft + 'px';
+                    button.style.top = newTop + 'px';
                 }
             });