diff options
Diffstat (limited to 'addons/web_editor/static/src/js/editor/transcoder.js')
| -rw-r--r-- | addons/web_editor/static/src/js/editor/transcoder.js | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/addons/web_editor/static/src/js/editor/transcoder.js b/addons/web_editor/static/src/js/editor/transcoder.js new file mode 100644 index 00000000000..6b42e028b3a --- /dev/null +++ b/addons/web_editor/static/src/js/editor/transcoder.js @@ -0,0 +1,234 @@ +odoo.define('web_editor.transcoder', function (require) { +'use strict'; + +var widget = require('web_editor.widget'); + +var rulesCache = []; +var getMatchedCSSRules = function (a) { + if (!rulesCache.length) { + var sheets = document.styleSheets; + for(var i = sheets.length-1; i >= 0 ; i--) { + var rules; + if (sheets[i].rules) { + rules = sheets[i].rules; + } else { + //try...catch because Firefox not able to enumerate document.styleSheets[].cssRules[] for cross-domain stylesheets. + try { + rules = sheets[i].cssRules; + } catch(e) { + console.warn("Can't read the css rules of: " + sheets[i].href, e); + continue; + } + rules = sheets[i].cssRules; + } + if (rules) { + for(var r = rules.length-1; r >= 0; r--) { + var selectorText = rules[r].selectorText; + if (selectorText && + rules[r].cssText && + selectorText !== "*" && + selectorText.indexOf(":hover") === -1 && + selectorText.indexOf(":before") === -1 && + selectorText.indexOf(":after") === -1 && + selectorText.indexOf(":active") === -1 && + selectorText.indexOf(":link") === -1 && + selectorText.indexOf("::") === -1 && + selectorText.indexOf("\"") === -1 && + selectorText.indexOf("'") === -1) { + var st = selectorText.split(/\s*,\s*/); + for (var k=0; k<st.length; k++) { + rulesCache.push({ 'selector': st[k], 'style': rules[r].style }); + } + } + } + } + } + rulesCache.reverse(); + } + + var css = []; + a.matches = a.matches || a.webkitMatchesSelector || a.mozMatchesSelector || a.msMatchesSelector || a.oMatchesSelector; + for(var r = 0; r < rulesCache.length; r++) { + if (a.matches(rulesCache[r].selector)) { + var style = rulesCache[r].style; + if (style.parentRule) { + var style_obj = {}; + for (var k=0, len=style.length; k<len; k++) { + if (style[k].indexOf('animation') !== -1) { + continue; + } + style_obj[style[k]] = style[style[k].replace(/-(.)/g, function (a, b) { return b.toUpperCase(); })]; + if (new RegExp(style[k] + '\s*:[^:;]+!important' ).test(style.cssText)) { + style_obj[style[k]] += ' !important'; + } + } + rulesCache[r].style = style = style_obj; + } + css.push([rulesCache[r].selector, style]); + } + } + + function specificity (selector) { + // http://www.w3.org/TR/css3-selectors/#specificity + var a = 0; + selector = selector.replace(/#[a-z0-9_-]+/gi, function () { a++; return ""; }); + var b = 0; + selector = selector.replace(/(\.[a-z0-9_-]+)|(\[.*?\])/gi, function () { b++; return ""; }); + var c = 0; + selector = selector.replace(/(^|\s+|:+)[a-z0-9_-]+/gi, function (a) { if(a.indexOf(':not(')===-1) c++; return ""; }); + return a*100 + b*10 + c; + } + css.sort(function (a, b) { return specificity(a[0]) - specificity(b[0]); }); + + var style = {}; + _.each(css, function (v,k) { + _.each(v[1], function (v,k) { + if (v && _.isString(v) && k.indexOf('-webkit') === -1 && (!style[k] || style[k].indexOf('important') === -1 || v.indexOf('important') !== -1)) { + style[k] = v; + } + }); + }); + + _.each(style, function (v,k) { + if (v.indexOf('important') !== -1) { + style[k] = v.slice(0, v.length-11); + } + }); + + if (style.display === 'block') { + delete style.display; + } + + _.each(['margin', 'padding'], function(p) { + if (style[p+'-top'] || style[p+'-right'] || style[p+'-bottom'] || style[p+'-left']) { + if (style[p+'-top'] === style[p+'-right'] && style[p+'-top'] === style[p+'-bottom'] && style[p+'-top'] === style[p+'-left']) { + // keep => property: [top/right/bottom/left value]; + style[p] = style[p+'-top']; + } + else { + // keep => property: [top value] [right value] [bottom value] [left value]; + style[p] = (style[p+'-top'] || 0) + ' ' + (style[p+'-right'] || 0) + ' ' + (style[p+'-bottom'] || 0) + ' ' + (style[p+'-left'] || 0); + if (style[p].indexOf('inherit') !== -1 || style[p].indexOf('initial') !== -1) { + // keep => property-top: [top value]; property-right: [right value]; property-bottom: [bottom value]; property-left: [left value]; + delete style[p]; + return; + } + } + delete style[p+'-top']; + delete style[p+'-right']; + delete style[p+'-bottom']; + delete style[p+'-left']; + } + }); + + // text-decoration rule is decomposed in -line, -color and -style. This is + // however not supported by many browser/mail clients and the editor does + // not allow to change -color and -style rule anyway + if (style['text-decoration-line']) { + style['text-decoration'] = style['text-decoration-line']; + delete style['text-decoration-line']; + delete style['text-decoration-color']; + delete style['text-decoration-style']; + } + + return style; +}; + +// convert font awsome into image +var font_to_img = function ($editable) { + $editable.find(".fa").each(function () { + var $font = $(this); + var icon, content; + _.find(widget.fontIcons, function (font) { + return _.find(widget.getCssSelectors(font.parser), function (css) { + if ($font.is(css[0].replace(/::?before/g, ''))) { + icon = css[2].split("-").shift(); + content = css[1].match(/content:\s*['"]?(.)['"]?/)[1]; + return true; + } + }); + }); + if (content) { + var color = $font.css("color").replace(/\s/g, ''); + $font.replaceWith($("<img/>", { + "src": _.str.sprintf('/web_editor/font_to_img/%s/%s/%s', content.charCodeAt(0), window.encodeURI(color), Math.max(1, $font.height())), + "data-class": $font.attr("class"), + "data-style": $font.attr("style"), + "class": $font.attr("class").replace(new RegExp("(^|\\s+)" + icon + "(-[^\\s]+)?", "gi"), ''), // remove inline font-awsome style + "style": $font.attr("style") + }).css({height: "auto", width: "auto"})); + } else { + $font.remove(); + } + }); +}; +// convert image into font awsome +var img_to_font = function ($editable) { + $editable.find("img[src*='/web_editor/font_to_img/']").each(function () { + var $img = $(this); + $img.replaceWith($("<span/>", { + "class": $img.data("class"), + "style": $img.data("style") + })); + }); +}; + +// convert class into inline style to send by mail +var class_to_style = function ($editable) { + if (!rulesCache.length) { + getMatchedCSSRules($editable[0]); + } + $editable.find('*').each(function () { + var $target = $(this); + var css = getMatchedCSSRules(this); + var style = $target.attr("style") || ""; + _.each(css, function (v,k) { + if (!(new RegExp('(^|;)\s*' + k).test(style))) { + style = k+":"+v+";"+style; + } + }); + if (_.isEmpty(style)) { + $target.removeAttr("style"); + } else { + $target.attr("style", style); + } + }); +}; +// convert style into inline class from mail +var style_to_class = function ($editable) { + getMatchedCSSRules($editable[0]); + + var $c = $('<span/>').appendTo("body"); + + $editable.find('*').each(function () { + var $target = $(this); + var css = getMatchedCSSRules(this); + var style = ""; + _.each(css, function (v,k) { + if (!(new RegExp('(^|;)\s*' + k).test(style))) { + style = k+":"+v+";"+style; + } + }); + css = ($c.attr("style", style).attr("style") || "").split(/\s*;\s*/); + style = $target.attr("style") || ""; + _.each(css, function (v) { + style = style.replace(v, ''); + }); + style = style.replace(/;+(\s;)*/g, ';').replace(/^;/g, ''); + if (style !== '') { + $target.attr("style", style); + } else { + $target.removeAttr("style"); + } + }); + $c.remove(); +}; + +return { + 'font_to_img': font_to_img, + 'img_to_font': img_to_font, + 'class_to_style': class_to_style, + 'style_to_class': style_to_class, +}; + +}); |