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File: public/js/tinymce/src/core/src/main/js/fmt/FormatUtils.js

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File: public/js/tinymce/src/core/src/main/js/fmt/FormatUtils.js
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/** * FormatUtils.js * * Released under LGPL License. * Copyright (c) 1999-2017 Ephox Corp. All rights reserved * * License: http://www.tinymce.com/license * Contributing: http://www.tinymce.com/contributing */ define( 'tinymce.core.fmt.FormatUtils', [ 'tinymce.core.dom.TreeWalker' ], function (TreeWalker) { var isInlineBlock = function (node) { return node && /^(IMG)$/.test(node.nodeName); }; var moveStart = function (dom, selection, rng) { var container = rng.startContainer, offset = rng.startOffset, walker, node, nodes; if (rng.startContainer === rng.endContainer) { if (isInlineBlock(rng.startContainer.childNodes[rng.startOffset])) { return; } } // Convert text node into index if possible if (container.nodeType === 3 && offset >= container.nodeValue.length) { // Get the parent container location and walk from there offset = dom.nodeIndex(container); container = container.parentNode; } // Move startContainer/startOffset in to a suitable node if (container.nodeType === 1) { nodes = container.childNodes; if (offset < nodes.length) { container = nodes[offset]; walker = new TreeWalker(container, dom.getParent(container, dom.isBlock)); } else { container = nodes[nodes.length - 1]; walker = new TreeWalker(container, dom.getParent(container, dom.isBlock)); walker.next(true); } for (node = walker.current(); node; node = walker.next()) { if (node.nodeType === 3 && !isWhiteSpaceNode(node)) { rng.setStart(node, 0); selection.setRng(rng); return; } } } }; /** * Returns the next/previous non whitespace node. * * @private * @param {Node} node Node to start at. * @param {boolean} next (Optional) Include next or previous node defaults to previous. * @param {boolean} inc (Optional) Include the current node in checking. Defaults to false. * @return {Node} Next or previous node or undefined if it wasn't found. */ var getNonWhiteSpaceSibling = function (node, next, inc) { if (node) { next = next ? 'nextSibling' : 'previousSibling'; for (node = inc ? node : node[next]; node; node = node[next]) { if (node.nodeType === 1 || !isWhiteSpaceNode(node)) { return node; } } } }; var isTextBlock = function (editor, name) { if (name.nodeType) { name = name.nodeName; } return !!editor.schema.getTextBlockElements()[name.toLowerCase()]; }; var isValid = function (ed, parent, child) { return ed.schema.isValidChild(parent, child); }; var isWhiteSpaceNode = function (node) { return node && node.nodeType === 3 && /^([\t \r\n]+|)$/.test(node.nodeValue); }; /** * Replaces variables in the value. The variable format is %var. * * @private * @param {String} value Value to replace variables in. * @param {Object} vars Name/value array with variables to replace. * @return {String} New value with replaced variables. */ var replaceVars = function (value, vars) { if (typeof value !== "string") { value = value(vars); } else if (vars) { value = value.replace(/%(\w+)/g, function (str, name) { return vars[name] || str; }); } return value; }; /** * Compares two string/nodes regardless of their case. * * @private * @param {String/Node} str1 Node or string to compare. * @param {String/Node} str2 Node or string to compare. * @return {boolean} True/false if they match. */ var isEq = function (str1, str2) { str1 = str1 || ''; str2 = str2 || ''; str1 = '' + (str1.nodeName || str1); str2 = '' + (str2.nodeName || str2); return str1.toLowerCase() === str2.toLowerCase(); }; var normalizeStyleValue = function (dom, value, name) { // Force the format to hex if (name === 'color' || name === 'backgroundColor') { value = dom.toHex(value); } // Opera will return bold as 700 if (name === 'fontWeight' && value === 700) { value = 'bold'; } // Normalize fontFamily so "'Font name', Font" becomes: "Font name,Font" if (name === 'fontFamily') { value = value.replace(/[\'\"]/g, '').replace(/,\s+/g, ','); } return '' + value; }; var getStyle = function (dom, node, name) { return normalizeStyleValue(dom, dom.getStyle(node, name), name); }; var getTextDecoration = function (dom, node) { var decoration; dom.getParent(node, function (n) { decoration = dom.getStyle(n, 'text-decoration'); return decoration && decoration !== 'none'; }); return decoration; }; var getParents = function (dom, node, selector) { return dom.getParents(node, selector, dom.getRoot()); }; return { isInlineBlock: isInlineBlock, moveStart: moveStart, getNonWhiteSpaceSibling: getNonWhiteSpaceSibling, isTextBlock: isTextBlock, isValid: isValid, isWhiteSpaceNode: isWhiteSpaceNode, replaceVars: replaceVars, isEq: isEq, normalizeStyleValue: normalizeStyleValue, getStyle: getStyle, getTextDecoration: getTextDecoration, getParents: getParents }; } );