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wp-includes/js/tinymce/plugins/directionality/plugin.js

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+(function () {
+var directionality = (function () {
+    'use strict';
+
+    var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+    var global$1 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+    var setDir = function (editor, dir) {
+      var dom = editor.dom;
+      var curDir;
+      var blocks = editor.selection.getSelectedBlocks();
+      if (blocks.length) {
+        curDir = dom.getAttrib(blocks[0], 'dir');
+        global$1.each(blocks, function (block) {
+          if (!dom.getParent(block.parentNode, '*[dir="' + dir + '"]', dom.getRoot())) {
+            dom.setAttrib(block, 'dir', curDir !== dir ? dir : null);
+          }
+        });
+        editor.nodeChanged();
+      }
+    };
+    var Direction = { setDir: setDir };
+
+    var register = function (editor) {
+      editor.addCommand('mceDirectionLTR', function () {
+        Direction.setDir(editor, 'ltr');
+      });
+      editor.addCommand('mceDirectionRTL', function () {
+        Direction.setDir(editor, 'rtl');
+      });
+    };
+    var Commands = { register: register };
+
+    var generateSelector = function (dir) {
+      var selector = [];
+      global$1.each('h1 h2 h3 h4 h5 h6 div p'.split(' '), function (name) {
+        selector.push(name + '[dir=' + dir + ']');
+      });
+      return selector.join(',');
+    };
+    var register$1 = function (editor) {
+      editor.addButton('ltr', {
+        title: 'Left to right',
+        cmd: 'mceDirectionLTR',
+        stateSelector: generateSelector('ltr')
+      });
+      editor.addButton('rtl', {
+        title: 'Right to left',
+        cmd: 'mceDirectionRTL',
+        stateSelector: generateSelector('rtl')
+      });
+    };
+    var Buttons = { register: register$1 };
+
+    global.add('directionality', function (editor) {
+      Commands.register(editor);
+      Buttons.register(editor);
+    });
+    function Plugin () {
+    }
+
+    return Plugin;
+
+}());
+})();

wp-includes/js/tinymce/plugins/directionality/plugin.min.js

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+!function(){"use strict";var t=tinymce.util.Tools.resolve("tinymce.PluginManager"),c=tinymce.util.Tools.resolve("tinymce.util.Tools"),e=function(t,e){var i,n=t.dom,o=t.selection.getSelectedBlocks();o.length&&(i=n.getAttrib(o[0],"dir"),c.each(o,function(t){n.getParent(t.parentNode,'*[dir="'+e+'"]',n.getRoot())||n.setAttrib(t,"dir",i!==e?e:null)}),t.nodeChanged())},i=function(t){t.addCommand("mceDirectionLTR",function(){e(t,"ltr")}),t.addCommand("mceDirectionRTL",function(){e(t,"rtl")})},n=function(e){var i=[];return c.each("h1 h2 h3 h4 h5 h6 div p".split(" "),function(t){i.push(t+"[dir="+e+"]")}),i.join(",")},o=function(t){t.addButton("ltr",{title:"Left to right",cmd:"mceDirectionLTR",stateSelector:n("ltr")}),t.addButton("rtl",{title:"Right to left",cmd:"mceDirectionRTL",stateSelector:n("rtl")})};t.add("directionality",function(t){i(t),o(t)})}();