first commit

media/system/js/joomla-dialog-autocreate.js

@@ -0,0 +1,59 @@
+import JoomlaDialog from 'joomla.dialog';
+
+/**
+ * @copyright  (C) 2023 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+/**
+ * Auto create a popup dynamically on click, eg:
+ *
+ * <button type="button" data-joomla-dialog='{"popupType": "iframe", "src": "content/url.html"}'>Click</button>
+ * <button type="button" data-joomla-dialog='{"popupType": "inline", "popupContent": "#id-of-content-element"}'>Click</button>
+ * <a href="content/url.html" data-joomla-dialog>Click</a>
+ */
+const delegateSelector = '[data-joomla-dialog]';
+const configDataAttr = 'joomlaDialog';
+const configCacheFlag = 'joomlaDialogCache';
+document.addEventListener('click', event => {
+  const triggerEl = event.target.closest(delegateSelector);
+  if (!triggerEl) return;
+  event.preventDefault();
+
+  // Check for cached instance
+  const cacheable = !!triggerEl.dataset[configCacheFlag];
+  if (cacheable && triggerEl.JoomlaDialogInstance) {
+    Joomla.Modal.setCurrent(triggerEl.JoomlaDialogInstance);
+    triggerEl.JoomlaDialogInstance.show();
+    return;
+  }
+  // Parse config
+  const config = triggerEl.dataset[configDataAttr] ? JSON.parse(triggerEl.dataset[configDataAttr]) : {};
+
+  // Check if the click is on anchor
+  if (triggerEl.nodeName === 'A') {
+    if (!config.popupType) {
+      config.popupType = triggerEl.hash ? 'inline' : 'iframe';
+    }
+    if (!config.src && config.popupType === 'iframe') {
+      config.src = triggerEl.href;
+    } else if (!config.src && config.popupType === 'inline') {
+      config.src = triggerEl.hash;
+    }
+  }
+
+  // Template not allowed here
+  delete config.popupTemplate;
+  const popup = new JoomlaDialog(config);
+  if (cacheable) {
+    triggerEl.JoomlaDialogInstance = popup;
+  }
+  popup.addEventListener('joomla-dialog:close', () => {
+    Joomla.Modal.setCurrent(null);
+    if (!cacheable) {
+      popup.destroy();
+    }
+  });
+  Joomla.Modal.setCurrent(popup);
+  popup.show();
+});