131 lines
4 KiB
JavaScript
131 lines
4 KiB
JavaScript
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/* ===========================================================
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* trumbowyg.preformatted.js v1.0
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* Preformatted plugin for Trumbowyg
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* http://alex-d.github.com/Trumbowyg
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* ===========================================================
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* Author : Casella Edoardo (Civile)
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*/
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(function ($) {
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'use strict';
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$.extend(true, $.trumbowyg, {
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langs: {
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// jshint camelcase:false
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en: {
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preformatted: 'Code sample <pre>'
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},
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fr: {
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preformatted: 'Exemple de code <pre>'
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},
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it: {
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preformatted: 'Codice <pre>'
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},
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zh_cn: {
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preformatted: '代码示例 <pre>'
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},
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ru: {
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preformatted: 'Пример кода <pre>'
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},
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ja: {
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preformatted: 'コードサンプル <pre>'
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},
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tr: {
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preformatted: 'Kod örneği <pre>'
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}
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},
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// jshint camelcase:true
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plugins: {
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preformatted: {
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init: function (trumbowyg) {
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var btnDef = {
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fn: function () {
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trumbowyg.saveRange();
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var text = trumbowyg.getRangeText();
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if (text.replace(/\s/g, '') !== '') {
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try {
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var curtag = getSelectionParentElement().tagName.toLowerCase();
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if (curtag === 'code' || curtag === 'pre') {
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return unwrapCode();
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}
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else {
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trumbowyg.execCmd('insertHTML', '<pre><code>' + strip(text) + '</code></pre>');
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}
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} catch (e) {
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}
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}
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},
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tag: 'pre'
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};
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trumbowyg.addBtnDef('preformatted', btnDef);
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}
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}
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}
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});
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/*
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* GetSelectionParentElement
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*/
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function getSelectionParentElement() {
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var parentEl = null,
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selection;
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if (window.getSelection) {
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selection = window.getSelection();
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if (selection.rangeCount) {
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parentEl = selection.getRangeAt(0).commonAncestorContainer;
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if (parentEl.nodeType !== 1) {
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parentEl = parentEl.parentNode;
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}
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}
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} else if ((selection = document.selection) && selection.type !== 'Control') {
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parentEl = selection.createRange().parentElement();
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}
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return parentEl;
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}
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/*
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* Strip
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* returns a text without HTML tags
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*/
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function strip(html) {
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var tmp = document.createElement('DIV');
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tmp.innerHTML = html;
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return tmp.textContent || tmp.innerText || '';
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}
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/*
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* UnwrapCode
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* ADD/FIX: to improve, works but can be better
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* "paranoic" solution
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*/
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function unwrapCode() {
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var container = null;
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if (document.selection) { //for IE
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container = document.selection.createRange().parentElement();
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} else {
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var select = window.getSelection();
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if (select.rangeCount > 0) {
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container = select.getRangeAt(0).startContainer.parentNode;
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}
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}
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//'paranoic' unwrap
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var ispre = $(container).contents().closest('pre').length;
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var iscode = $(container).contents().closest('code').length;
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if (ispre && iscode) {
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$(container).contents().unwrap('code').unwrap('pre');
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} else if (ispre) {
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$(container).contents().unwrap('pre');
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} else if (iscode) {
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$(container).contents().unwrap('code');
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}
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}
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})(jQuery);
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