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public/assets/extensions/tinymce/plugins/tabfocus/plugin.js

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+/**
+ * Copyright (c) Tiny Technologies, Inc. All rights reserved.
+ * Licensed under the LGPL or a commercial license.
+ * For LGPL see License.txt in the project root for license information.
+ * For commercial licenses see https://www.tiny.cloud/
+ *
+ * Version: 5.10.5 (2022-05-25)
+ */
+(function () {
+    'use strict';
+
+    var global$6 = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+    var global$5 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
+
+    var global$4 = tinymce.util.Tools.resolve('tinymce.EditorManager');
+
+    var global$3 = tinymce.util.Tools.resolve('tinymce.Env');
+
+    var global$2 = tinymce.util.Tools.resolve('tinymce.util.Delay');
+
+    var global$1 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+    var global = tinymce.util.Tools.resolve('tinymce.util.VK');
+
+    var getTabFocusElements = function (editor) {
+      return editor.getParam('tabfocus_elements', ':prev,:next');
+    };
+    var getTabFocus = function (editor) {
+      return editor.getParam('tab_focus', getTabFocusElements(editor));
+    };
+
+    var DOM = global$5.DOM;
+    var tabCancel = function (e) {
+      if (e.keyCode === global.TAB && !e.ctrlKey && !e.altKey && !e.metaKey) {
+        e.preventDefault();
+      }
+    };
+    var setup = function (editor) {
+      var tabHandler = function (e) {
+        var x;
+        if (e.keyCode !== global.TAB || e.ctrlKey || e.altKey || e.metaKey || e.isDefaultPrevented()) {
+          return;
+        }
+        var find = function (direction) {
+          var el = DOM.select(':input:enabled,*[tabindex]:not(iframe)');
+          var canSelectRecursive = function (e) {
+            var castElem = e;
+            return e.nodeName === 'BODY' || castElem.type !== 'hidden' && castElem.style.display !== 'none' && castElem.style.visibility !== 'hidden' && canSelectRecursive(e.parentNode);
+          };
+          var canSelect = function (el) {
+            return /INPUT|TEXTAREA|BUTTON/.test(el.tagName) && global$4.get(e.id) && el.tabIndex !== -1 && canSelectRecursive(el);
+          };
+          global$1.each(el, function (e, i) {
+            if (e.id === editor.id) {
+              x = i;
+              return false;
+            }
+          });
+          if (direction > 0) {
+            for (var i = x + 1; i < el.length; i++) {
+              if (canSelect(el[i])) {
+                return el[i];
+              }
+            }
+          } else {
+            for (var i = x - 1; i >= 0; i--) {
+              if (canSelect(el[i])) {
+                return el[i];
+              }
+            }
+          }
+          return null;
+        };
+        var v = global$1.explode(getTabFocus(editor));
+        if (v.length === 1) {
+          v[1] = v[0];
+          v[0] = ':prev';
+        }
+        var el;
+        if (e.shiftKey) {
+          if (v[0] === ':prev') {
+            el = find(-1);
+          } else {
+            el = DOM.get(v[0]);
+          }
+        } else {
+          if (v[1] === ':next') {
+            el = find(1);
+          } else {
+            el = DOM.get(v[1]);
+          }
+        }
+        if (el) {
+          var focusEditor = global$4.get(el.id || el.name);
+          if (el.id && focusEditor) {
+            focusEditor.focus();
+          } else {
+            global$2.setTimeout(function () {
+              if (!global$3.webkit) {
+                window.focus();
+              }
+              el.focus();
+            }, 10);
+          }
+          e.preventDefault();
+        }
+      };
+      editor.on('init', function () {
+        if (editor.inline) {
+          DOM.setAttrib(editor.getBody(), 'tabIndex', null);
+        }
+        editor.on('keyup', tabCancel);
+        if (global$3.gecko) {
+          editor.on('keypress keydown', tabHandler);
+        } else {
+          editor.on('keydown', tabHandler);
+        }
+      });
+    };
+
+    function Plugin () {
+      global$6.add('tabfocus', function (editor) {
+        setup(editor);
+      });
+    }
+
+    Plugin();
+
+}());