(function () {
var tabfocus = (function (domGlobals) {
'use strict';
var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
var global$1 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
var global$2 = tinymce.util.Tools.resolve('tinymce.EditorManager');
var global$3 = tinymce.util.Tools.resolve('tinymce.Env');
var global$4 = tinymce.util.Tools.resolve('tinymce.util.Delay');
var global$5 = tinymce.util.Tools.resolve('tinymce.util.Tools');
var global$6 = 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 Settings = { getTabFocus: getTabFocus };
var DOM = global$1.DOM;
var tabCancel = function (e) {
if (e.keyCode === global$6.TAB && !e.ctrlKey && !e.altKey && !e.metaKey) {
e.preventDefault();
}
};
var setup = function (editor) {
function tabHandler(e) {
var x, el, v, i;
if (e.keyCode !== global$6.TAB || e.ctrlKey || e.altKey || e.metaKey || e.isDefaultPrevented()) {
return;
}
function find(direction) {
el = DOM.select(':input:enabled,*[tabindex]:not(iframe)');
function canSelectRecursive(e) {
return e.nodeName === 'BODY' || e.type !== 'hidden' && e.style.display !== 'none' && e.style.visibility !== 'hidden' && canSelectRecursive(e.parentNode);
}
function canSelect(el) {
return /INPUT|TEXTAREA|BUTTON/.test(el.tagName) && global$2.get(e.id) && el.tabIndex !== -1 && canSelectRecursive(el);
}
global$5.each(el, function (e, i) {
if (e.id === editor.id) {
x = i;
return false;
}
});
if (direction > 0) {
for (i = x + 1; i < el.length; i++) {
if (canSelect(el[i])) {
return el[i];
}
}
} else {
for (i = x - 1; i >= 0; i--) {
if (canSelect(el[i])) {
return el[i];
}
}
}
return null;
}
v = global$5.explode(Settings.getTabFocus(editor));
if (v.length === 1) {
v[1] = v[0];
v[0] = ':prev';
}
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$2.get(el.id || el.name);
if (el.id && focusEditor) {
focusEditor.focus();
} else {
global$4.setTimeout(function () {
if (!global$3.webkit) {
domGlobals.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);
}
});
};
var Keyboard = { setup: setup };
global.add('tabfocus', function (editor) {
Keyboard.setup(editor);
});
function Plugin () {
}
return Plugin;
}(window));
})();