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media/com_contenthistory/js/admin-history-modal.js

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+/**
+ * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+((document, Joomla) => {
+
+  if (!Joomla || typeof Joomla.Text._ !== 'function') {
+    throw new Error('core.js was not properly initialised');
+  }
+  document.addEventListener('DOMContentLoaded', () => {
+    document.getElementById('toolbar-load').addEventListener('click', () => {
+      const toolbarLoad = document.getElementById('toolbar-load');
+      if (!toolbarLoad.disabled) {
+        const ids = document.querySelectorAll('input[id*="cb"]:checked');
+        if (ids.length === 1) {
+          // Add version item id to URL
+          const url = `${toolbarLoad.childNodes[1].getAttribute('data-url')}&version_id=${ids[0].value}`;
+          if (window.parent && url) {
+            window.parent.location = url;
+          }
+        } else {
+          Joomla.renderMessages({
+            error: [Joomla.Text._('COM_CONTENTHISTORY_BUTTON_SELECT_ONE_VERSION')]
+          });
+        }
+      }
+      return false;
+    });
+    document.getElementById('toolbar-preview').addEventListener('click', () => {
+      const toolbarPreview = document.getElementById('toolbar-preview');
+      if (!toolbarPreview.disabled) {
+        const windowSizeArray = ['width=800, height=600, resizable=yes, scrollbars=yes'];
+        const ids = document.querySelectorAll('input[id*="cb"]:checked');
+        if (ids.length === 1) {
+          // Add version item id to URL
+          const url = `${toolbarPreview.childNodes[1].getAttribute('data-url')}&version_id=${ids[0].value}`;
+          if (window.parent && url) {
+            window.open(url, '', windowSizeArray.toString());
+          }
+        } else {
+          Joomla.renderMessages({
+            error: [Joomla.Text._('COM_CONTENTHISTORY_BUTTON_SELECT_ONE_VERSION')]
+          });
+        }
+      }
+      return false;
+    });
+    document.getElementById('toolbar-compare').addEventListener('click', () => {
+      const toolbarCompare = document.getElementById('toolbar-compare');
+      if (!toolbarCompare.disabled) {
+        const windowSizeArray = ['width=1000, height=600, resizable=yes, scrollbars=yes'];
+        const ids = document.querySelectorAll('input[id*="cb"]:checked');
+        if (ids.length === 0) {
+          Joomla.renderMessages({
+            error: [Joomla.Text._('JLIB_HTML_PLEASE_MAKE_A_SELECTION_FROM_THE_LIST')]
+          });
+        } else if (ids.length === 2) {
+          // Add version item ids to URL
+          const url = `${toolbarCompare.childNodes[1].getAttribute('data-url')}&id1=${ids[0].value}&id2=${ids[1].value}`;
+          if (window.parent && url) {
+            window.open(url, '', windowSizeArray.toString());
+          }
+        } else {
+          Joomla.renderMessages({
+            error: [Joomla.Text._('COM_CONTENTHISTORY_BUTTON_SELECT_TWO_VERSIONS')]
+          });
+        }
+      }
+      return false;
+    });
+  });
+})(document, Joomla);