share/nitdoc/scripts/js-facilities.js

   1 // User
   2 var userB64 = null;
   3 var sessionStarted = false;
   4 var editComment = 0;
   5
   6 /*
   7 * JQuery Case Insensitive :icontains selector
   8 */
   9 $.expr[':'].icontains = function(obj, index, meta, stack){
  10         return (obj.textContent.replace(/\[[0-9]+\]/g, "") || obj.innerText.replace(/\[[0-9]+\]/g, "") || jQuery(obj).text().replace(/\[[0-9]+\]/g, "") || '').toLowerCase().indexOf(meta[3].toLowerCase()) >= 0;
  11 };
  12
  13 /*
  14  *      Quick Search global vars
  15  */
  16
  17 // Current search results preview table
  18 var currentTable = null;
  19
  20 //Hightlighted index in search result preview table
  21 var currentIndex = -1;
  22
  23
  24 /*
  25 * Add folding and filtering facilities to class description page.
  26 */
  27 $(document).ready(function() {
  28
  29         // Hide edit tags
  30         $('textarea').hide();
  31         $('a[id=commitBtn]').hide();
  32         $('a[id=cancelBtn]').hide();
  33         // Hide Authenfication form
  34         $(".popover").hide();
  35         // Update display
  36         updateDisplaying();
  37
  38         /*
  39         * Highlight the spoted element
  40         */
  41         highlightBlock(currentAnchor());
  42
  43         /*
  44         * Nav block folding
  45         */
  46
  47         // Menu nav folding
  48         $(".menu nav h3")
  49         .prepend(
  50                 $(document.createElement("a"))
  51                 .html("-")
  52                 .addClass("fold")
  53         )
  54         .css("cursor", "pointer")
  55         .click( function() {
  56                         if($(this).find("a.fold").html() == "+") {
  57                                 $(this).find("a.fold").html("-");
  58                         } else {
  59                                 $(this).find("a.fold").html("+");
  60                         }
  61                         $(this).nextAll().toggle();
  62         })
  63
  64         // Insert search field
  65         $("nav.main ul")
  66         .append(
  67                 $(document.createElement("li"))
  68                 .append(
  69                         $(document.createElement("form"))
  70                         .append(
  71                                 $(document.createElement("input"))
  72                                 .attr({
  73                                         id: "search",
  74                                         type:   "text",
  75                                         autocomplete: "off",
  76                                         value: "quick search..."
  77                                 })
  78                                 .addClass("notUsed")
  79
  80                                 // Key management
  81                                 .keyup(function(e) {
  82                                         switch(e.keyCode) {
  83
  84                                                 // Select previous result on "Up"
  85                                                 case 38:
  86                                                         // If already on first result, focus search input
  87                                                         if(currentIndex == 0) {
  88                                                                 $("#search").val($(currentTable.find("tr")[currentIndex]).data("searchDetails").name);
  89                                                                 $("#search").focus();
  90                                                         // Else select previous result
  91                                                         } else if(currentIndex > 0) {
  92                                                                 $(currentTable.find("tr")[currentIndex]).removeClass("activeSearchResult");
  93                                                                 currentIndex--;
  94                                                                 $(currentTable.find("tr")[currentIndex]).addClass("activeSearchResult");
  95                                                                 $("#search").val($(currentTable.find("tr")[currentIndex]).data("searchDetails").name);
  96                                                                 $("#search").focus();
  97                                                         }
  98                                                 break;
  99
 100                                                 // Select next result on "Down"
 101                                                 case 40:
 102                                                         if(currentIndex < currentTable.find("tr").length - 1) {
 103                                                                 $(currentTable.find("tr")[currentIndex]).removeClass("activeSearchResult");
 104                                                                 currentIndex++;
 105                                                                 $(currentTable.find("tr")[currentIndex]).addClass("activeSearchResult");
 106                                                                 $("#search").val($(currentTable.find("tr")[currentIndex]).data("searchDetails").name);
 107                                                                 $("#search").focus();
 108                                                         }
 109                                                 break;
 110                                                 // Go to url on "Enter"
 111                                                 case 13:
 112                                                         if(currentIndex > -1) {
 113                                                                 window.location = $(currentTable.find("tr")[currentIndex]).data("searchDetails").url;
 114                                                                 return false;
 115                                                         }
 116                                                         if($("#search").val().length == 0)
 117                                                                 return false
 118
 119                                                         window.location = "full-index.html#q=" + $("#search").val();
 120                                                         if(window.location.href.indexOf("full-index.html") > -1) {
 121                                                                 location.reload();
 122                                                         }
 123                                                         return false;
 124                                                 break;
 125
 126                                                 // Hide results preview on "Escape"
 127                                                 case 27:
 128                                                         $(this).blur();
 129                                                         if(currentTable != null) {
 130                                                                 currentTable.remove();
 131                                                                 currentTable = null;
 132                                                         }
 133                                                 break;
 134
 135                                                 default:
 136                                                         if($("#search").val().length == 0) {
 137                                                                 return false;
 138                                                         }
 139
 140                                                         // Remove previous table
 141                                                         if(currentTable != null) {
 142                                                                 currentTable.remove();
 143                                                         }
 144
 145                                                         // Build results table
 146                                                         currentIndex = -1;
 147                                                         currentTable = $(document.createElement("table"));
 148
 149                                                         // Escape regexp related characters in query
 150                                                         var query = $("#search").val();
 151                                                         query = query.replace(/\[/gi, "\\[");
 152                                                         query = query.replace(/\|/gi, "\\|");
 153                                                         query = query.replace(/\*/gi, "\\*");
 154                                                         query = query.replace(/\+/gi, "\\+");
 155                                                         query = query.replace(/\\/gi, "\\\\");
 156                                                         query = query.replace(/\?/gi, "\\?");
 157                                                         query = query.replace(/\(/gi, "\\(");
 158                                                         query = query.replace(/\)/gi, "\\)");
 159
 160                                                         var index = 0;
 161                                                         var regexp = new RegExp("^" + query, "i");
 162                                                         for(var entry in entries) {
 163                                                                 if(index > 10) {
 164                                                                         break;
 165                                                                 }
 166                                                                 var result = entry.match(regexp);
 167                                                                 if(result != null && result.toString().toUpperCase() == $("#search").val().toUpperCase()) {
 168                                                                         for(var i = 0; i < entries[entry].length; i++) {
 169                                                                                 if(index > 10) {
 170                                                                                         break;
 171                                                                                 }
 172                                                                                 currentTable.append(
 173                                                                                         $(document.createElement("tr"))
 174                                                                                         .data("searchDetails", {name: entry, url: entries[entry][i]["url"]})
 175                                                                                         .data("index", index)
 176                                                                                         .append($(document.createElement("td")).html(entry))
 177                                                                                         .append(
 178                                                                                                 $(document.createElement("td"))
 179                                                                                                         .addClass("entryInfo")
 180                                                                                                         .html(entries[entry][i]["txt"] + "&nbsp;&raquo;"))
 181                                                                                         .mouseover( function() {
 182                                                                                                 $(currentTable.find("tr")[currentIndex]).removeClass("activeSearchResult");
 183                                                                                                 $(this).addClass("activeSearchResult");
 184                                                                                                 currentIndex = $(this).data("index");
 185                                                                                         })
 186                                                                                         .mouseout( function() {
 187                                                                                                 $(this).removeClass("activeSearchResult");
 188                                                                                          })
 189                                                                                         .click( function() {
 190                                                                                                 window.location = $(this).data("searchDetails")["url"];
 191                                                                                         })
 192                                                                                 );
 193                                                                                 index++;
 194                                                                         }
 195                                                                 }
 196                                                         }
 197
 198                                                         // Initialize table properties
 199                                                         currentTable.attr("id", "searchTable");
 200                                                         currentTable.css("position", "absolute");
 201                                                         currentTable.width($("#search").outerWidth());
 202                                                         $("header").append(currentTable);
 203                                                         currentTable.offset({left: $("#search").offset().left + ($("#search").outerWidth() - currentTable.outerWidth()), top: $("#search").offset().top + $("#search").outerHeight()});
 204
 205                                                         // Preselect first entry
 206                                                         if(currentTable.find("tr").length > 0) {
 207                                                                 currentIndex = 0;
 208                                                                 $(currentTable.find("tr")[currentIndex]).addClass("activeSearchResult");
 209                                                                 $("#search").focus();
 210                                                         }
 211                                                 break;
 212                                         }
 213                                 })
 214                                 .focusout(function() {
 215                                         if($(this).val() == "") {
 216                                                 $(this).addClass("notUsed");
 217                                                 $(this).val("quick search...");
 218                                         }
 219                                 })
 220                                 .focusin(function() {
 221                                         if($(this).val() == "quick search...") {
 222                                                 $(this).removeClass("notUsed");
 223                                                 $(this).val("");
 224                                         }
 225                                 })
 226                         )
 227                         .submit( function() {
 228                                 return false;
 229                         })
 230                 )
 231          );
 232
 233          // Close quicksearch list on click
 234          $(document).click(function(e) {
 235                 if(e.target != $("#search")[0] && e.target != $("#searchTable")[0]) {
 236                         if(currentTable != null) {
 237                                 currentTable.remove();
 238                                 currentTable = null;
 239                         }
 240                 }
 241          });
 242
 243         // Insert filter field
 244         $("article.filterable h2, nav.filterable h3")
 245         .after(
 246                 $(document.createElement("div"))
 247                 .addClass("filter")
 248                 .append(
 249                         $(document.createElement("input"))
 250                         .attr({
 251                                 type:   "text",
 252                                 value:  "filter..."
 253                         })
 254                         .addClass("notUsed")
 255                         .keyup(function() {
 256                                 $(this).parent().parent().find("ul li:not(:icontains('" + $(this).val() + "'))").addClass("hide");
 257                                 $(this).parent().parent().find("ul li:icontains('" + $(this).val() + "')").removeClass("hide");
 258                         })
 259                         .focusout(function() {
 260                                 if($(this).val() == "") {
 261                                         $(this).addClass("notUsed");
 262                                         $(this).val("filter...");
 263                                 }
 264                         })
 265                         .focusin(function() {
 266                                 if($(this).val() == "filter...") {
 267                                         $(this).removeClass("notUsed");
 268                                         $(this).val("");
 269                                 }
 270                         })
 271                 )
 272         );
 273
 274         // Filter toggle between H I R in nav porperties list
 275         $("nav.properties.filterable .filter")
 276         .append(
 277                 $(document.createElement("a"))
 278                 .html("H")
 279                 .attr({
 280                         title:  "hide inherited properties"
 281                 })
 282                 .click( function() {
 283                         if($(this).hasClass("hidden")) {
 284                                 $(this).parent().parent().find("li.inherit").show();
 285                         } else {
 286                                 $(this).parent().parent().find("li.inherit").hide();
 287                         }
 288
 289                         $(this).toggleClass("hidden");
 290                 })
 291         )
 292         .append(
 293                 $(document.createElement("a"))
 294                 .html("R")
 295                 .attr({
 296                         title:  "hide redefined properties"
 297                 })
 298                 .click( function() {
 299                         if($(this).hasClass("hidden")) {
 300                                 $(this).parent().parent().find("li.redef").show();
 301                         } else {
 302                                 $(this).parent().parent().find("li.redef").hide();
 303                         }
 304
 305                         $(this).toggleClass("hidden");
 306                 })
 307         )
 308         .append(
 309                 $(document.createElement("a"))
 310                 .html("I")
 311                 .attr({
 312                         title:  "hide introduced properties"
 313                 })
 314                 .click( function() {
 315                         if($(this).hasClass("hidden")) {
 316                                 $(this).parent().parent().find("li.intro").show();
 317                         } else {
 318                                 $(this).parent().parent().find("li.intro").hide();
 319                         }
 320
 321                         $(this).toggleClass("hidden");
 322                 })
 323         );
 324
 325         // Filter toggle between I R in
 326         $("article.properties.filterable .filter, article.classes.filterable .filter")
 327         .append(
 328                 $(document.createElement("a"))
 329                 .html("I")
 330                 .attr({
 331                         title:  "hide introduced properties"
 332                 })
 333                 .click( function() {
 334                         if($(this).hasClass("hidden")) {
 335                                 $(this).parent().parent().find("li.intro").show();
 336                         } else {
 337                                 $(this).parent().parent().find("li.intro").hide();
 338                         }
 339
 340                         $(this).toggleClass("hidden");
 341                 })
 342         )
 343         .append(
 344                 $(document.createElement("a"))
 345                 .html("R")
 346                 .attr({
 347                         title:  "hide redefined properties"
 348                 })
 349                 .click( function() {
 350                         if($(this).hasClass("hidden")) {
 351                                 $(this).parent().parent().find("li.redef").show();
 352                         } else {
 353                                 $(this).parent().parent().find("li.redef").hide();
 354                         }
 355
 356                         $(this).toggleClass("hidden");
 357                 })
 358         );
 359
 360         /*
 361         * Anchors jumps
 362         */
 363         $("a[href*='#']").click( function() {
 364                 highlightBlock($(this).attr("href").split(/#/)[1]);
 365         });
 366
 367         //Preload filter fields with query string
 368         preloadFilters();
 369         // Hide Authenfication form
 370         $(".popover").hide();
 371         // Display Login modal
 372         $("#logGitHub").click(function(){ displayLogginModal(); });
 373         // Update display
 374         updateDisplaying();
 375         // If cookie existing the session is opened
 376         if(sessionStarted){ userB64 = "Basic " + getUserPass("logginNitdoc"); }
 377
 378         // Sign In an github user or Log out him
 379         $("#signIn").click(function(){
 380                 if(!sessionStarted){
 381                         if($('#loginGit').val() == "" || $('#passwordGit').val() == ""){ displayMessage('The comment field is empty!', 40, 45); }
 382                         else
 383                         {
 384                                 userName = $('#loginGit').val();
 385                                 password = $('#passwordGit').val();
 386                                 repoName = $('#repositoryGit').val();
 387                                 branchName = $('#branchGit').val();
 388                                 userB64 = "Basic " +  base64.encode(userName+':'+password);
 389                                 setCookie("logginNitdoc", base64.encode(userName+':'+password+':'+repoName+':'+branchName), 1);
 390                                 $('#loginGit').val("");
 391                                 $('#passwordGit').val("");
 392                         }
 393                 }
 394                 else
 395                 {
 396                         // Delete cookie and reset settings
 397                         del_cookie("logginNitdoc");
 398                 }
 399                 displayLogginModal();
 400         });
 401
 402         // Activate edit mode
 403         $('pre[class=text_label]').click(function(){
 404                 // the customer is loggued ?
 405                 if(!sessionStarted || userName == ""){
 406                         // No => nothing happen
 407                         return;
 408                 }
 409                 else{
 410                         var arrayNew = $(this).text().split('\n');
 411                         var lNew = arrayNew.length - 1;
 412                         var adapt = "";
 413
 414                         for (var i = 0; i < lNew; i++) {
 415                                 adapt += arrayNew[i];
 416                                 if(i < lNew-1){ adapt += "\n"; }
 417                         }
 418                         editComment += 1;
 419                         // hide comment
 420                         $(this).hide();
 421                         // Show edit box
 422                         $(this).next().show();
 423                         // Show cancel button
 424                         $(this).next().next().show();
 425                         // Show commit button
 426                         $(this).next().next().next().show();
 427                         // Add text in edit box
 428                         if($(this).next().val() == ""){ $(this).next().val(adapt); }
 429                         // Resize edit box
 430                         $(this).next().height($(this).next().prop("scrollHeight"));
 431                         // Select it
 432                         $(this).next().select();
 433                         preElement = $(this);
 434                 }
 435         });
 436
 437         // Disable the edit mode
 438         $('a[id=cancelBtn]').click(function(){
 439                 if(editComment > 0){ editComment -= 1; }
 440                 // Hide itself
 441                 $(this).hide();
 442                 // Hide commitBtn
 443                 $(this).next().hide();
 444                 // Hide Textarea
 445                 $(this).prev().hide();
 446                 // Show comment
 447                 $(this).prev().prev().show();
 448          });
 449
 450         // Display commit form
 451         $('a[id=commitBtn]').click(function(){
 452                 updateComment = $(this).prev().prev().val();
 453                 commentType = $(this).prev().prev().prev().attr('type');
 454
 455                 if(updateComment == ""){ displayMessage('The comment field is empty!', 40, 45); }
 456                 else{
 457                         if(!sessionStarted){
 458                                 displayMessage("You need to be loggued before commit something", 45, 40);
 459                                 displayLogginModal();
 460                                 return;
 461                         }
 462                         $('#commitMessage').val('New commit');
 463                         pathFile = $(this).prev().prev().prev().attr('tag');
 464                         $('#modal').show().prepend('<a class="close"><img src="resources/icons/close.png" class="btn_close" title="Close" alt="Close" /></a>');
 465                         $('body').append('<div id="fade"></div>');
 466                         $('#fade').css({'filter' : 'alpha(opacity=80)'}).fadeIn();
 467                 }
 468          });
 469
 470         // Close commit form
 471         $('.btn_close').click(function(){
 472                 $(this).hide();
 473                 $(this).next().hide();
 474                 if(editComment > 0){ editComment -= 1; }
 475          });
 476
 477         //Close Popups and Fade Layer
 478         $('body').on('click', 'a.close, #fade', function() {
 479                 if(editComment > 0){ editComment -= 1; }
 480                 $('#fade , #modal').fadeOut(function() {
 481                         $('#fade, a.close').remove();
 482                 });
 483                 $('#modalQuestion').hide();
 484         });
 485
 486 });
 487
 488 /* Parse current URL and return anchor name */
 489 function currentAnchor() {
 490     var index = document.location.hash.indexOf("#");
 491     if (index >= 0) {
 492                 return document.location.hash.substring(index + 1);
 493         }
 494         return null;
 495 }
 496
 497 /* Prealod filters field using search query */
 498 function preloadFilters() {
 499         // Parse URL and get query string
 500         var search = currentAnchor();
 501
 502         if(search == null || search.indexOf("q=") == -1)
 503                 return;
 504
 505         search = search.substring(2, search.length);
 506
 507         if(search == "" || search == "undefined")
 508                 return;
 509
 510         $(":text").val(search);
 511         $(".filter :text")
 512                 .removeClass("notUsed")
 513                 .trigger("keyup");
 514
 515 }
 516
 517 /* Hightlight the spoted block */
 518 function highlightBlock(a) {
 519         if(a == undefined) {
 520                 return;
 521         }
 522
 523         $(".highlighted").removeClass("highlighted");
 524
 525         var target = $("#" + a);
 526
 527         if(target.is("article")) {
 528                 target.parent().addClass("highlighted");
 529         }
 530
 531         target.addClass("highlighted");
 532         target.show();
 533 }
 534
 535 function displayLogginModal(){
 536         if ($('.popover').is(':hidden')) { $('.popover').show(); }
 537         else { $('.popover').hide(); }
 538         updateDisplaying();
 539 }
 540
 541 function updateDisplaying(){
 542         if (checkCookie())
 543         {
 544                 $('#loginGit').hide();
 545                 $('#passwordGit').hide();
 546                 $('#lbpasswordGit').hide();
 547                 $('#lbloginGit').hide();
 548                 $('#repositoryGit').hide();
 549                 $('#lbrepositoryGit').hide();
 550                 $('#lbbranchGit').hide();
 551                 $('#branchGit').hide();
 552                 $("#liGitHub").attr("class", "current");
 553                 $("#imgGitHub").attr("src", "resources/icons/github-icon-w.png");
 554                 $('#nickName').text(userName);
 555                 $('#githubAccount').attr("href", "https://github.com/"+userName);
 556                 $('#logginMessage').css({'display' : 'block'});
 557                 $('#logginMessage').css({'text-align' : 'center'});
 558                 $('.popover').css({'height' : '80px'});
 559                 $('#signIn').text("Sign out");
 560                 sessionStarted = true;
 561         }
 562         else
 563         {
 564                 sessionStarted = false;
 565                 $('#logginMessage').css({'display' : 'none'});
 566                 $("#liGitHub").attr("class", "");
 567                 $("#imgGitHub").attr("src", "resources/icons/github-icon.png");
 568                 $('#loginGit').val("");
 569                 $('#passwordGit').val("");
 570                 $('#nickName').text("");
 571                 $('.popover').css({'height' : '280px'});
 572                 $('#logginMessage').css({'display' : 'none'});
 573                 $('#repositoryGit').val($('#repoName').attr('name'));
 574                 $('#branchGit').val('wikidoc');
 575                 $('#signIn').text("Sign In");
 576                 $('#loginGit').show();
 577                 $('#passwordGit').show();
 578                 $('#lbpasswordGit').show();
 579                 $('#lbloginGit').show();
 580                 $('#repositoryGit').show();
 581                 $('#lbrepositoryGit').show();
 582                 $('#lbbranchGit').show();
 583                 $('#branchGit').show();
 584         }
 585 }
 586
 587 function setCookie(c_name, value, exdays)
 588 {
 589         var exdate=new Date();
 590         exdate.setDate(exdate.getDate() + exdays);
 591         var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
 592         document.cookie=c_name + "=" + c_value;
 593 }
 594
 595 function del_cookie(c_name)
 596 {
 597     document.cookie = c_name + '=; expires=Thu, 01 Jan 1970 00:00:01 GMT;';
 598 }
 599
 600 function getCookie(c_name)
 601 {
 602         var c_value = document.cookie;
 603         var c_start = c_value.indexOf(" " + c_name + "=");
 604         if (c_start == -1) { c_start = c_value.indexOf(c_name + "="); }
 605         if (c_start == -1) { c_value = null; }
 606         else
 607         {
 608                 c_start = c_value.indexOf("=", c_start) + 1;
 609                 var c_end = c_value.indexOf(";", c_start);
 610                 if (c_end == -1) { c_end = c_value.length; }
 611                 c_value = unescape(c_value.substring(c_start,c_end));
 612         }
 613         return c_value;
 614 }
 615
 616 function getUserPass(c_name){
 617         var cookie = base64.decode(getCookie(c_name));
 618         return base64.encode(cookie.split(':')[0] + ':' + cookie.split(':')[1]);
 619 }
 620
 621 function checkCookie()
 622 {
 623         var cookie=getCookie("logginNitdoc");
 624         if (cookie!=null && cookie!="")
 625         {
 626                 cookie = base64.decode(cookie);
 627                 userName = cookie.split(':')[0];
 628                 repoName = cookie.split(':')[2];
 629                 branchName = cookie.split(':')[3];
 630                 return true;
 631         }
 632         else { return false; }
 633 }
 634
 635
 636 /*
 637 * Base64
 638 */
 639 base64 = {};
 640 base64.PADCHAR = '=';
 641 base64.ALPHA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
 642 base64.getbyte64 = function(s,i) {
 643     // This is oddly fast, except on Chrome/V8.
 644     //  Minimal or no improvement in performance by using a
 645     //   object with properties mapping chars to value (eg. 'A': 0)
 646     var idx = base64.ALPHA.indexOf(s.charAt(i));
 647     if (idx == -1) {
 648     throw "Cannot decode base64";
 649     }
 650     return idx;
 651 }
 652
 653 base64.decode = function(s) {
 654     // convert to string
 655     s = "" + s;
 656     var getbyte64 = base64.getbyte64;
 657     var pads, i, b10;
 658     var imax = s.length
 659     if (imax == 0) {
 660         return s;
 661     }
 662
 663     if (imax % 4 != 0) {
 664     throw "Cannot decode base64";
 665     }
 666
 667     pads = 0
 668     if (s.charAt(imax -1) == base64.PADCHAR) {
 669         pads = 1;
 670         if (s.charAt(imax -2) == base64.PADCHAR) {
 671             pads = 2;
 672         }
 673         // either way, we want to ignore this last block
 674         imax -= 4;
 675     }
 676
 677     var x = [];
 678     for (i = 0; i < imax; i += 4) {
 679         b10 = (getbyte64(s,i) << 18) | (getbyte64(s,i+1) << 12) |
 680             (getbyte64(s,i+2) << 6) | getbyte64(s,i+3);
 681         x.push(String.fromCharCode(b10 >> 16, (b10 >> 8) & 0xff, b10 & 0xff));
 682     }
 683
 684     switch (pads) {
 685     case 1:
 686         b10 = (getbyte64(s,i) << 18) | (getbyte64(s,i+1) << 12) | (getbyte64(s,i+2) << 6)
 687         x.push(String.fromCharCode(b10 >> 16, (b10 >> 8) & 0xff));
 688         break;
 689     case 2:
 690         b10 = (getbyte64(s,i) << 18) | (getbyte64(s,i+1) << 12);
 691         x.push(String.fromCharCode(b10 >> 16));
 692         break;
 693     }
 694     return x.join('');
 695 }
 696
 697 base64.getbyte = function(s,i) {
 698     var x = s.charCodeAt(i);
 699     if (x > 255) {
 700         throw "INVALID_CHARACTER_ERR: DOM Exception 5";
 701     }
 702     return x;
 703 }
 704
 705
 706 base64.encode = function(s) {
 707     if (arguments.length != 1) {
 708     throw "SyntaxError: Not enough arguments";
 709     }
 710     var padchar = base64.PADCHAR;
 711     var alpha   = base64.ALPHA;
 712     var getbyte = base64.getbyte;
 713
 714     var i, b10;
 715     var x = [];
 716
 717     // convert to string
 718     s = "" + s;
 719
 720     var imax = s.length - s.length % 3;
 721
 722     if (s.length == 0) {
 723         return s;
 724     }
 725     for (i = 0; i < imax; i += 3) {
 726         b10 = (getbyte(s,i) << 16) | (getbyte(s,i+1) << 8) | getbyte(s,i+2);
 727         x.push(alpha.charAt(b10 >> 18));
 728         x.push(alpha.charAt((b10 >> 12) & 0x3F));
 729         x.push(alpha.charAt((b10 >> 6) & 0x3f));
 730         x.push(alpha.charAt(b10 & 0x3f));
 731     }
 732     switch (s.length - imax) {
 733     case 1:
 734         b10 = getbyte(s,i) << 16;
 735         x.push(alpha.charAt(b10 >> 18) + alpha.charAt((b10 >> 12) & 0x3F) +
 736                padchar + padchar);
 737         break;
 738     case 2:
 739         b10 = (getbyte(s,i) << 16) | (getbyte(s,i+1) << 8);
 740         x.push(alpha.charAt(b10 >> 18) + alpha.charAt((b10 >> 12) & 0x3F) +
 741                alpha.charAt((b10 >> 6) & 0x3f) + padchar);
 742         break;
 743     }
 744     return x.join('');
 745 }
 746
 747 $.fn.spin = function(opts) {
 748   this.each(function() {
 749     var $this = $(this),
 750         data = $this.data();
 751
 752     if (data.spinner) {
 753       data.spinner.stop();
 754       delete data.spinner;
 755     }
 756     if (opts !== false) {
 757       data.spinner = new Spinner($.extend({color: $this.css('color')}, opts)).spin(this);
 758     }
 759   });
 760   return this;
 761 };