| OLD | NEW |
| (Empty) |
| 1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 * Use of this source code is governed by a BSD-style license that can be | |
| 3 * found in the LICENSE file. | |
| 4 */ | |
| 5 | |
| 6 var l10n = l10n || {}; | |
| 7 | |
| 8 /** | |
| 9 * Localize a tag, returning the tag itself and logging an error if no | |
| 10 * translation exists. | |
| 11 * | |
| 12 * @param {string} tag The localization tag. | |
| 13 * @param {(string|Array)=} opt_substitutions An optional set of substitution | |
| 14 * strings corresponding to the "placeholders" attributes in messages.json. | |
| 15 * @return {string} The translated tag. | |
| 16 */ | |
| 17 l10n.getTranslationOrError = function(tag, opt_substitutions) { | |
| 18 var translation = chrome.i18n.getMessage(tag, opt_substitutions); | |
| 19 if (translation) { | |
| 20 return translation; | |
| 21 } | |
| 22 console.error('Missing translation for "' + tag + '"'); | |
| 23 return tag; | |
| 24 }; | |
| 25 | |
| 26 /** | |
| 27 * Localize an element by setting its innerText according to the specified tag | |
| 28 * and an optional set of substitutions. | |
| 29 * | |
| 30 * @param {Element} element The element to localize. | |
| 31 * @param {string} tag The localization tag or | |
| 32 * an Error object containing the tag. | |
| 33 * @param {(string|Array)=} opt_substitutions An optional set of substitution | |
| 34 * strings corresponding to the "placeholders" attributes in messages.json. | |
| 35 * @param {boolean=} opt_asHtml If true, set innerHTML instead of innerText. | |
| 36 * This parameter should be used with caution. | |
| 37 * @return {boolean} True if the localization was successful; false otherwise. | |
| 38 */ | |
| 39 l10n.localizeElementFromTag = function(element, tag, opt_substitutions, | |
| 40 opt_asHtml) { | |
| 41 var translation = l10n.getTranslationOrError(tag, opt_substitutions); | |
| 42 if (opt_asHtml) { | |
| 43 element.innerHTML = translation; | |
| 44 } else { | |
| 45 element.innerText = translation; | |
| 46 } | |
| 47 return translation != null; | |
| 48 }; | |
| 49 | |
| 50 /** | |
| 51 * Localize an element by setting its innerText according to its i18n-content | |
| 52 * attribute, and an optional set of substitutions. | |
| 53 * | |
| 54 * @param {Element} element The element to localize. | |
| 55 * @param {(string|Array)=} opt_substitutions An optional set of substitution | |
| 56 * strings corresponding to the "placeholders" attributes in messages.json. | |
| 57 * @param {boolean=} opt_asHtml If true, set innerHTML instead of innerText. | |
| 58 * This parameter should be used with caution. | |
| 59 * @return {boolean} True if the localization was successful; false otherwise. | |
| 60 */ | |
| 61 l10n.localizeElement = function(element, opt_substitutions, opt_asHtml) { | |
| 62 var tag = element.getAttribute('i18n-content'); | |
| 63 return l10n.localizeElementFromTag(element, tag, opt_substitutions, | |
| 64 opt_asHtml); | |
| 65 }; | |
| 66 | |
| 67 /** | |
| 68 * Localize all tags with the i18n-content attribute, using i18n-data-n | |
| 69 * attributes to specify any placeholder substitutions. | |
| 70 * | |
| 71 * Because we use i18n-value attributes to implement translations of rich | |
| 72 * content (including paragraphs with hyperlinks), we localize these as | |
| 73 * HTML iff there are any substitutions. | |
| 74 */ | |
| 75 l10n.localize = function() { | |
| 76 var elements = document.querySelectorAll('[i18n-content],[i18n-title]'); | |
| 77 for (var i = 0; i < elements.length; ++i) { | |
| 78 /** @type {Element} */ var element = elements[i]; | |
| 79 var substitutions = []; | |
| 80 for (var j = 1; j < 9; ++j) { | |
| 81 var value = 'i18n-value-' + j; | |
| 82 var valueName = 'i18n-value-name-' + j; | |
| 83 if (element.hasAttribute(value)) { | |
| 84 substitutions.push(element.getAttribute(value)); | |
| 85 } else if (element.hasAttribute(valueName)) { | |
| 86 var name = element.getAttribute(valueName); | |
| 87 var translation = chrome.i18n.getMessage(name); | |
| 88 if (translation) { | |
| 89 substitutions.push(translation); | |
| 90 } else { | |
| 91 console.error('Missing translation for substitution: ' + name); | |
| 92 substitutions.push(name); | |
| 93 } | |
| 94 } else { | |
| 95 break; | |
| 96 } | |
| 97 } | |
| 98 var titleTag = element.getAttribute('i18n-title'); | |
| 99 if (titleTag) { | |
| 100 element.title = l10n.getTranslationOrError(titleTag, substitutions); | |
| 101 } else { | |
| 102 l10n.localizeElement(element, substitutions, | |
| 103 substitutions.length != 0); | |
| 104 } | |
| 105 } | |
| 106 }; | |
| OLD | NEW |