/**
* 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: 5.10.8 (2023-10-19)
*/
(function () {
'use strict';
var global$3 = tinymce.util.Tools.resolve('tinymce.PluginManager');
var global$2 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
var global$1 = tinymce.util.Tools.resolve('tinymce.util.I18n');
var global = tinymce.util.Tools.resolve('tinymce.util.Tools');
var getTocClass = function (editor) {
return editor.getParam('toc_class', 'mce-toc');
};
var getTocHeader = function (editor) {
var tagName = editor.getParam('toc_header', 'h2');
return /^h[1-6]$/.test(tagName) ? tagName : 'h2';
};
var getTocDepth = function (editor) {
var depth = parseInt(editor.getParam('toc_depth', '3'), 10);
return depth >= 1 && depth <= 9 ? depth : 3;
};
var create = function (prefix) {
var counter = 0;
return function () {
var guid = new Date().getTime().toString(32);
return prefix + guid + (counter++).toString(32);
};
};
var tocId = create('mcetoc_');
var generateSelector = function (depth) {
var i;
var selector = [];
for (i = 1; i <= depth; i++) {
selector.push('h' + i);
}
return selector.join(',');
};
var hasHeaders = function (editor) {
return readHeaders(editor).length > 0;
};
var readHeaders = function (editor) {
var tocClass = getTocClass(editor);
var headerTag = getTocHeader(editor);
var selector = generateSelector(getTocDepth(editor));
var headers = editor.$(selector);
if (headers.length && /^h[1-9]$/i.test(headerTag)) {
headers = headers.filter(function (i, el) {
return !editor.dom.hasClass(el.parentNode, tocClass);
});
}
return global.map(headers, function (h) {
var id = h.id;
return {
id: id ? id : tocId(),
level: parseInt(h.nodeName.replace(/^H/i, ''), 10),
title: editor.$.text(h),
element: h
};
});
};
var getMinLevel = function (headers) {
var minLevel = 9;
for (var i = 0; i < headers.length; i++) {
if (headers[i].level < minLevel) {
minLevel = headers[i].level;
}
if (minLevel === 1) {
return minLevel;
}
}
return minLevel;
};
var generateTitle = function (tag, title) {
var openTag = '<' + tag + ' contenteditable="true">';
var closeTag = '</' + tag + '>';
return openTag + global$2.DOM.encode(title) + closeTag;
};
var generateTocHtml = function (editor) {
var html = generateTocContentHtml(editor);
return '<div class="' + editor.dom.encode(getTocClass(editor)) + '" contenteditable="false">' + html + '</div>';
};
var generateTocContentHtml = function (editor) {
var html = '';
var headers = readHeaders(editor);
var prevLevel = getMinLevel(headers) - 1;
if (!headers.length) {
return '';
}
html += generateTitle(getTocHeader(editor), global$1.translate('Table of Contents'));
for (var i = 0; i < headers.length; i++) {
var h = headers[i];
h.element.id = h.id;
var nextLevel = headers[i + 1] && headers[i + 1].level;
if (prevLevel === h.level) {
html += '<li>';
} else {
for (var ii = prevLevel; ii < h.level; ii++) {
html += '<ul><li>';
}
}
html += '<a href="#' + h.id + '">' + h.title + '</a>';
if (nextLevel === h.level || !nextLevel) {
html += '</li>';
if (!nextLevel) {
html += '</ul>';
}
} else {
for (var ii = h.level; ii > nextLevel; ii--) {
if (ii === nextLevel + 1) {
html += '</li></ul><li>';
} else {
html += '</li></ul>';
}
}
}
prevLevel = h.level;
}
return html;
};
var isEmptyOrOffscreen = function (editor, nodes) {
return !nodes.length || editor.dom.getParents(nodes[0], '.mce-offscreen-selection').length > 0;
};
var insertToc = function (editor) {
var tocClass = getTocClass(editor);
var $tocElm = editor.$('.' + tocClass);
if (isEmptyOrOffscreen(editor, $tocElm)) {
editor.insertContent(generateTocHtml(editor));
} else {
updateToc(editor);
}
};
var updateToc = function (editor) {
var tocClass = getTocClass(editor);
var $tocElm = editor.$('.' + tocClass);
if ($tocElm.length) {
editor.undoManager.transact(function () {
$tocElm.html(generateTocContentHtml(editor));
});
}
};
var register$1 = function (editor) {
editor.addCommand('mceInsertToc', function () {
insertToc(editor);
});
editor.addCommand('mceUpdateToc', function () {
updateToc(editor);
});
};
var setup = function (editor) {
var $ = editor.$, tocClass = getTocClass(editor);
editor.on('PreProcess', function (e) {
var $tocElm = $('.' + tocClass, e.node);
if ($tocElm.length) {
$tocElm.removeAttr('contentEditable');
$tocElm.find('[contenteditable]').removeAttr('contentEditable');
}
});
editor.on('SetContent', function () {
var $tocElm = $('.' + tocClass);
if ($tocElm.length) {
$tocElm.attr('contentEditable', false);
$tocElm.children(':first-child').attr('contentEditable', true);
}
});
};
var toggleState = function (editor) {
return function (api) {
var toggleDisabledState = function () {
return api.setDisabled(editor.mode.isReadOnly() || !hasHeaders(editor));
};
toggleDisabledState();
editor.on('LoadContent SetContent change', toggleDisabledState);
return function () {
return editor.on('LoadContent SetContent change', toggleDisabledState);
};
};
};
var isToc = function (editor) {
return function (elm) {
return elm && editor.dom.is(elm, '.' + getTocClass(editor)) && editor.getBody().contains(elm);
};
};
var register = function (editor) {
var insertTocAction = function () {
return editor.execCommand('mceInsertToc');
};
editor.ui.registry.addButton('toc', {
icon: 'toc',
tooltip: 'Table of contents',
onAction: insertTocAction,
onSetup: toggleState(editor)
});
editor.ui.registry.addButton('tocupdate', {
icon: 'reload',
tooltip: 'Update',
onAction: function () {
return editor.execCommand('mceUpdateToc');
}
});
editor.ui.registry.addMenuItem('toc', {
icon: 'toc',
text: 'Table of contents',
onAction: insertTocAction,
onSetup: toggleState(editor)
});
editor.ui.registry.addContextToolbar('toc', {
items: 'tocupdate',
predicate: isToc(editor),
scope: 'node',
position: 'node'
});
};
function Plugin () {
global$3.add('toc', function (editor) {
register$1(editor);
register(editor);
setup(editor);
});
}
Plugin();
}());