amber.js 7.1 KB

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  1. /* Amber package loading
  2. usage example:
  3. amber.load({
  4. files: ['MyCategory1.js', 'MyCategory2.js'],
  5. ready: function() {smalltalk.Browser._open()}
  6. })
  7. */
  8. amber = (function() {
  9. var that = {};
  10. var scripts = document.getElementsByTagName("script");
  11. var src = scripts[ scripts.length - 1 ].src;
  12. var home = src.split("/").slice(0, -2).join("/") + "/";
  13. var debug;
  14. var deploy;
  15. var spec;
  16. var jsToLoad = [];
  17. var loadJS;
  18. var nocache = '';
  19. that.toggleIDE = function() {
  20. if ($('#amber').length == 0) {
  21. smalltalk.Browser._open();
  22. } else if ($('#amber').is(':visible')) {
  23. smalltalk.TabManager._current()._close();
  24. } else {
  25. smalltalk.TabManager._current()._open();
  26. }
  27. return false;
  28. };
  29. that.load = function(obj) {
  30. spec = obj || {};
  31. // In deployment mode, only the compressed version of Kernel
  32. // and Canvas are loaded
  33. deploy = spec.deploy || false;
  34. debug = spec.debug || false;
  35. // When debug is turned on, logs are written to the console,
  36. // and the user will be prompted before they leave the page.
  37. if (debug) {
  38. window.onbeforeunload = function(){ return 'You will loose all code that you have not committed'; }
  39. }
  40. // Allow loading default Amber files from a different location
  41. // e.g. http://amber-lang.net/amber/
  42. if (spec.home) home = spec.home;
  43. // Specify a version string to avoid wrong browser caching
  44. if (spec.version) {
  45. nocache = '?' + spec.version;
  46. }
  47. loadDependencies();
  48. addJSToLoad('js/lib/es5-shim-2.0.2/es5-shim.min.js');
  49. addJSToLoad('js/lib/es5-shim-2.0.2/es5-sham.min.js');
  50. addJSToLoad('js/boot.js');
  51. if (deploy) {
  52. loadPackages([
  53. 'Kernel-Objects.deploy',
  54. 'Kernel-Classes.deploy',
  55. 'Kernel-Methods.deploy',
  56. 'Kernel-Collections.deploy',
  57. 'Kernel-Exceptions.deploy',
  58. 'Kernel-Transcript.deploy',
  59. 'Kernel-Announcements.deploy',
  60. 'Canvas.deploy'
  61. ]);
  62. } else {
  63. loadIDEDependencies();
  64. loadCSS('amber.css');
  65. loadPackages([
  66. 'Kernel-Objects',
  67. 'Kernel-Classes',
  68. 'Kernel-Methods',
  69. 'Kernel-Collections',
  70. 'Kernel-Exceptions',
  71. 'Kernel-Transcript',
  72. 'Kernel-Announcements',
  73. 'Canvas',
  74. 'SUnit',
  75. 'Importer-Exporter',
  76. 'Compiler-Exceptions',
  77. 'Compiler-Core',
  78. 'Compiler-AST',
  79. 'Compiler-Semantic',
  80. 'Compiler-IR',
  81. 'Compiler-Inlining',
  82. 'Compiler-Interpreter',
  83. 'Compiler-Tests',
  84. 'parser',
  85. 'IDE',
  86. 'Examples',
  87. 'Benchfib',
  88. 'Kernel-Tests',
  89. 'SUnit-Tests'
  90. ]);
  91. }
  92. var additionalFiles = spec.packages || spec.files;
  93. var commitPathForInit = null;
  94. if (additionalFiles) {
  95. commitPathForInit = loadPackages(additionalFiles, spec.prefix, spec.packageHome);
  96. }
  97. // Be sure to setup & initialize smalltalk classes
  98. addJSToLoad('js/init.js');
  99. initializeSmalltalk(commitPathForInit);
  100. };
  101. function loadPackages(names, prefix, urlHome){
  102. var name;
  103. prefix = prefix || 'js';
  104. urlHome = urlHome || home;
  105. for (var i=0; i < names.length; i++) {
  106. name = names[i].split(/\.js$/)[0];
  107. addJSToLoad(name + '.js', prefix, urlHome);
  108. }
  109. return {
  110. js: urlHome+prefix,
  111. st: urlHome+'st'
  112. };
  113. }
  114. function addJSToLoad(name, prefix, urlHome) {
  115. urlHome = urlHome || home;
  116. jsToLoad.push(buildJSURL(name, prefix, urlHome));
  117. }
  118. function resolve(base, path) {
  119. if (/(^|:)\/\//.test(path)) {
  120. // path: [http:]//foo.com/bar/; base: whatever/
  121. // -> http://foo.com/bar/
  122. return path;
  123. }
  124. if (!/^\//.test(path)) {
  125. // path: relative/; base: whatever/
  126. // -> whatever/relative/
  127. return base + path;
  128. }
  129. var match = base.match(/^(([^:/]*:|^)\/\/[^/]*)/);
  130. if (match) {
  131. // path: /absolute/; base: [http:]//foo.com/whatever/
  132. // -> [http:]//foo.com/absolute/
  133. return match[1] + path;
  134. }
  135. // path: /absolute/; base: whatever/path/
  136. // -> /absolute/
  137. return path;
  138. }
  139. function buildJSURL(name, prefix, urlHome) {
  140. prefix = prefix || '';
  141. urlHome = urlHome || home;
  142. var parts = name.match(/^(.*\/)([^/]*)$/);
  143. if (parts) {
  144. name = parts[2];
  145. urlHome = resolve(urlHome, parts[1]);
  146. }
  147. if (!deploy) {
  148. name = name + nocache;
  149. }
  150. return urlHome + prefix + '/' + name;
  151. }
  152. function loadCSS(name, prefix) {
  153. prefix = prefix || 'css';
  154. if (!deploy) {
  155. name = name + nocache;
  156. }
  157. var url = home + prefix + '/' + name;
  158. var link = document.createElement("link");
  159. link.setAttribute("rel", "stylesheet");
  160. link.setAttribute("type", "text/css");
  161. link.setAttribute("href", url);
  162. document.getElementsByTagName("head")[0].appendChild(link);
  163. }
  164. function loadDependencies() {
  165. if (typeof jQuery == 'undefined') {
  166. writeScriptTag(buildJSURL('js/lib/jQuery/jquery-1.8.2.min.js'));
  167. }
  168. if ((typeof jQuery == 'undefined') || (typeof jQuery.ui == 'undefined')) {
  169. writeScriptTag(buildJSURL('js/lib/jQuery/jquery-ui-1.8.16.custom.min.js'));
  170. }
  171. }
  172. function loadIDEDependencies() {
  173. addJSToLoad('js/lib/jQuery/jquery.textarea.js');
  174. addJSToLoad('js/lib/CodeMirror/codemirror.js');
  175. addJSToLoad('js/lib/CodeMirror/smalltalk.js');
  176. loadCSS('lib/CodeMirror/codemirror.css', 'js');
  177. loadCSS('lib/CodeMirror/amber.css', 'js');
  178. }
  179. // This will be called after JS files have been loaded
  180. function initializeSmalltalk(commitPath) {
  181. window.smalltalkReady = function() {
  182. if (commitPath) {
  183. smalltalk['@@commitPath'] = commitPath;
  184. smalltalk.Package._commitPathsFromLoader();
  185. }
  186. if (spec.ready) {
  187. spec.ready();
  188. }
  189. evaluateSmalltalkScripts();
  190. };
  191. loadAllJS();
  192. }
  193. /*
  194. * When loaded using AJAX, scripts order not guaranteed.
  195. * Load JS in the order they have been added using addJSToLoad().
  196. * If loaded, will use jQuery's getScript instead of adding a script element
  197. */
  198. function loadAllJS() {
  199. loadJS = loadJSViaScriptTag;
  200. if (typeof jQuery != 'undefined') {
  201. loadJS = loadJSViaJQuery;
  202. }
  203. loadNextJS();
  204. }
  205. function loadNextJS() {
  206. loadJS(jsToLoad[0], function(){
  207. jsToLoad.shift();
  208. if (jsToLoad.length > 0) {
  209. loadNextJS();
  210. }
  211. });
  212. }
  213. function loadJSViaScriptTag(url, callback) {
  214. writeScriptTag(url);
  215. callback();
  216. }
  217. function loadJSViaJQuery(url, callback) {
  218. $.ajax({
  219. dataType: "script",
  220. url: url,
  221. cache: deploy,
  222. success: callback
  223. });
  224. }
  225. function writeScriptTag(src) {
  226. var scriptString = '<script src="' + src + '" type="text/javascript"></script>';
  227. document.write(scriptString);
  228. }
  229. function evaluateSmalltalkScripts() {
  230. jQuery(document).ready(function() {
  231. jQuery('script[type="text/smalltalk"]').each(function(i, elt) {
  232. smalltalk.Compiler._new()._evaluateExpression_(jQuery(elt).html());
  233. });
  234. })
  235. }
  236. var localPackages;
  237. function populateLocalPackages(){
  238. var localStorageRE = /^smalltalk\.packages\.(.*)$/;
  239. localPackages = {};
  240. var match, key;
  241. for(var i=0; i < localStorage.length; i++) {
  242. key = localStorage.key(i);
  243. if (match = key.match(localStorageRE)) {
  244. localPackages[match[1]] = localStorage[key];
  245. }
  246. }
  247. return localPackages;
  248. }
  249. function clearLocalPackages() {
  250. for (var name in localPackages) {
  251. log('Removing ' + name + ' from local storage');
  252. localStorage.removeItem('smalltalk.packages.' + name);
  253. }
  254. }
  255. function log(string) {
  256. if (debug) {
  257. console.log(string);
  258. }
  259. }
  260. return that;
  261. })();
  262. window.loadAmber = amber.load;
  263. window.toggleAmberIDE = amber.toggleIDE;