view/js/autocomplete.js

   1 // @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt Expat
   2 /**
   3  * @brief Friendica people autocomplete
   4  *
   5  * require jQuery, jquery.textcomplete
   6  *
   7  * for further documentation look at:
   8  * http://yuku-t.com/jquery-textcomplete/
   9  *
  10  * https://github.com/yuku-t/jquery-textcomplete/blob/master/doc/how_to_use.md
  11  */
  12
  13
  14 function contact_search(term, callback, backend_url, type, mode) {
  15
  16         // Check if there is a conversation id to include the unkonwn contacts of the conversation
  17         var conv_id = document.activeElement.id.match(/\d+$/);
  18
  19         // Check if there is a cached result that contains the same information we would get with a full server-side search
  20         var bt = backend_url+type;
  21         if(!(bt in contact_search.cache)) contact_search.cache[bt] = {};
  22
  23         var lterm = term.toLowerCase(); // Ignore case
  24         for(var t in contact_search.cache[bt]) {
  25                 if(lterm.indexOf(t) >= 0) { // A more broad search has been performed already, so use those results
  26                         // Filter old results locally
  27                         var matching = contact_search.cache[bt][t].filter(function (x) { return (x.name.toLowerCase().indexOf(lterm) >= 0 || (typeof x.nick !== 'undefined' && x.nick.toLowerCase().indexOf(lterm) >= 0)); }); // Need to check that nick exists because groups don't have one
  28                         matching.unshift({forum:false, text: term, replace: term});
  29                         setTimeout(function() { callback(matching); } , 1); // Use "pseudo-thread" to avoid some problems
  30                         return;
  31                 }
  32         }
  33
  34         var postdata = {
  35                 start:0,
  36                 count:100,
  37                 search:term,
  38                 type:type,
  39         };
  40
  41         if(conv_id !== null)
  42                 postdata['conversation'] = conv_id[0];
  43
  44         if(mode !== null)
  45                 postdata['smode'] = mode;
  46
  47
  48         $.ajax({
  49                 type:'POST',
  50                 url: backend_url,
  51                 data: postdata,
  52                 dataType: 'json',
  53                 success: function(data){
  54                         // Cache results if we got them all (more information would not improve results)
  55                         // data.count represents the maximum number of items
  56                         if(data.items.length -1 < data.count) {
  57                                 contact_search.cache[bt][lterm] = data.items;
  58                         }
  59                         var items = data.items.slice(0);
  60                         items.unshift({taggable:false, text: term, replace: term});
  61                         callback(items);
  62                 },
  63         }).fail(function () {callback([]); }); // Callback must be invoked even if something went wrong.
  64 }
  65 contact_search.cache = {};
  66
  67
  68 function contact_format(item) {
  69         // Show contact information if not explicitly told to show something else
  70         if(typeof item.text === 'undefined') {
  71                 var desc = ((item.label) ? item.nick + ' ' + item.label : item.nick);
  72                 var forum = ((item.forum) ? 'forum' : '');
  73                 if(typeof desc === 'undefined') desc = '';
  74                 if(desc) desc = ' ('+desc+')';
  75                 return "<div class='{0}' title='{4}'><img class='acpopup-img' src='{1}'><span class='acpopup-contactname'>{2}</span><span class='acpopup-sub-text'>{3}</span><div class='clear'></div></div>".format(forum, item.photo, item.name, desc, item.link);
  76         }
  77         else
  78                 return "<div>" + item.text + "</div>";
  79 }
  80
  81 function tag_format(item) {
  82         return "<div class='dropdown-item'>" + '#' + item.text + "</div>";
  83 }
  84
  85 function editor_replace(item) {
  86         if (typeof item.replace !== 'undefined') {
  87                 return '$1$2' + item.replace;
  88         }
  89
  90         if (typeof item.addr !== 'undefined') {
  91                 return '$1$2' + item.addr + ' ';
  92         }
  93
  94         // $2 ensures that prefix (@,@!) is preserved
  95         var id = item.id;
  96
  97         // don't add the id if it is empty (the id empty eg. if there are unknow contacts in thread)
  98         if (id.length < 1) {
  99                 return '$1$2' + item.nick.replace(' ', '') + ' ';
 100         }
 101         // 16 chars of hash should be enough. Full hash could be used if it can be done in a visually appealing way.
 102         // 16 chars is also the minimum length in the backend (otherwise it's interpreted as a local id).
 103         if (id.length > 16) {
 104                 id = item.id.substring(0,16);
 105         }
 106         return '$1$2' + item.nick.replace(' ', '') + '+' + id + ' ';
 107 }
 108
 109 function basic_replace(item) {
 110         if(typeof item.replace !== 'undefined')
 111                 return '$1'+item.replace;
 112
 113         return '$1'+item.name+' ';
 114 }
 115
 116 function webbie_replace(item) {
 117         if(typeof item.replace !== 'undefined')
 118                 return '$1'+item.replace;
 119
 120         return '$1'+item.nick+' ';
 121 }
 122
 123 function trim_replace(item) {
 124         if(typeof item.replace !== 'undefined')
 125                 return '$1'+item.replace;
 126
 127         return '$1'+item.name;
 128 }
 129
 130
 131 function submit_form(e) {
 132         $(e).parents('form').submit();
 133 }
 134
 135 function getWord(text, caretPos) {
 136         var index = text.indexOf(caretPos);
 137         var postText = text.substring(caretPos, caretPos+8);
 138         if ((postText.indexOf("[/list]") > 0) || postText.indexOf("[/ul]") > 0 || postText.indexOf("[/ol]") > 0) {
 139                 return postText;
 140         }
 141 }
 142
 143 function getCaretPosition(ctrl) {
 144         var CaretPos = 0;   // IE Support
 145         if (document.selection) {
 146                 ctrl.focus();
 147                 var Sel = document.selection.createRange();
 148                 Sel.moveStart('character', -ctrl.value.length);
 149                 CaretPos = Sel.text.length;
 150         }
 151         // Firefox support
 152         else if (ctrl.selectionStart || ctrl.selectionStart == '0')
 153                 CaretPos = ctrl.selectionStart;
 154         return (CaretPos);
 155 }
 156
 157 function setCaretPosition(ctrl, pos){
 158         if(ctrl.setSelectionRange) {
 159                 ctrl.focus();
 160                 ctrl.setSelectionRange(pos,pos);
 161         }
 162         else if (ctrl.createTextRange) {
 163                 var range = ctrl.createTextRange();
 164                 range.collapse(true);
 165                 range.moveEnd('character', pos);
 166                 range.moveStart('character', pos);
 167                 range.select();
 168         }
 169 }
 170
 171 function listNewLineAutocomplete(id) {
 172         var text = document.getElementById(id);
 173         var caretPos = getCaretPosition(text)
 174         var word = getWord(text.value, caretPos);
 175         if (word != null) {
 176                 var textBefore = text.value.substring(0, caretPos);
 177                 var textAfter  = text.value.substring(caretPos, text.length);
 178                 $('#' + id).val(textBefore + '\r\n[*] ' + textAfter).trigger('change');
 179                 setCaretPosition(text, caretPos + 5);
 180                 return true;
 181         }
 182         else {
 183                 return false;
 184         }
 185 }
 186
 187 function string2bb(element) {
 188         if(element == 'bold') return 'b';
 189         else if(element == 'italic') return 'i';
 190         else if(element == 'underline') return 'u';
 191         else if(element == 'overline') return 'o';
 192         else if(element == 'strike') return 's';
 193         else return element;
 194 }
 195
 196 /**
 197  * jQuery plugin 'editor_autocomplete'
 198  */
 199 (function( $ ) {
 200         $.fn.editor_autocomplete = function(backend_url) {
 201
 202                 // Autocomplete contacts
 203                 contacts = {
 204                         match: /(^|\s)(@\!*)([^ \n]+)$/,
 205                         index: 3,
 206                         search: function(term, callback) { contact_search(term, callback, backend_url, 'c'); },
 207                         replace: editor_replace,
 208                         template: contact_format,
 209                 };
 210
 211                 // Autocomplete forums
 212                 forums = {
 213                         match: /(^|\s)(!\!*)([^ \n]+)$/,
 214                         index: 3,
 215                         search: function(term, callback) { contact_search(term, callback, backend_url, 'f'); },
 216                         replace: editor_replace,
 217                         template: contact_format,
 218                 };
 219
 220                 // Autocomplete hashtags
 221                 tags = {
 222                         match: /(^|\s)(\#)([^ \n]{2,})$/,
 223                         index: 3,
 224                         search: function(term, callback) {
 225                                 $.getJSON(baseurl + '/hashtag/' + '?f=&t=' + term)
 226                                 .done(function(data) {
 227                                         callback($.map(data, function(entry) {
 228                                                 // .toLowerCase() enables case-insensitive search
 229                                                 return entry.text.toLowerCase().indexOf(term.toLowerCase()) === 0 ? entry : null;
 230                                         }));
 231                                 });
 232                         },
 233                         replace: function(item) { return "$1$2" + item.text + ' '; },
 234                         template: tag_format
 235                 };
 236
 237                 // Autocomplete smilies e.g. ":like"
 238                 smilies = {
 239                         match: /(^|\s)(:[a-z]{2,})$/,
 240                         index: 2,
 241                         search: function(term, callback) { $.getJSON('smilies/json').done(function(data) { callback($.map(data, function(entry) { return entry.text.indexOf(term) === 0 ? entry : null; })); }); },
 242                         template: function(item) { return item.icon + ' ' + item.text; },
 243                         replace: function(item) { return "$1" + item.text + ' '; },
 244                 };
 245
 246                 this.attr('autocomplete','off');
 247                 this.textcomplete([contacts, forums, smilies, tags], {className:'acpopup', zIndex:10000});
 248         };
 249 })( jQuery );
 250
 251 /**
 252  * jQuery plugin 'search_autocomplete'
 253  */
 254 (function( $ ) {
 255         $.fn.search_autocomplete = function(backend_url) {
 256                 // Autocomplete contacts
 257                 contacts = {
 258                         match: /(^@)([^\n]{2,})$/,
 259                         index: 2,
 260                         search: function(term, callback) { contact_search(term, callback, backend_url, 'x', 'contact'); },
 261                         replace: webbie_replace,
 262                         template: contact_format,
 263                 };
 264
 265                 // Autocomplete forum accounts
 266                 community = {
 267                         match: /(^!)([^\n]{2,})$/,
 268                         index: 2,
 269                         search: function(term, callback) { contact_search(term, callback, backend_url, 'x', 'community'); },
 270                         replace: webbie_replace,
 271                         template: contact_format,
 272                 };
 273
 274                 // Autocomplete hashtags
 275                 tags = {
 276                         match: /(^|\s)(\#)([^ \n]{2,})$/,
 277                         index: 3,
 278                         search: function(term, callback) { $.getJSON(baseurl + '/hashtag/' + '?f=&t=' + term).done(function(data) { callback($.map(data, function(entry) { return entry.text.indexOf(term) === 0 ? entry : null; })); }); },
 279                         replace: function(item) { return "$1$2" + item.text; },
 280                         template: tag_format
 281                 };
 282
 283                 this.attr('autocomplete', 'off');
 284                 var a = this.textcomplete([contacts, community, tags], {className:'acpopup', maxCount:100, zIndex: 10000, appendTo:'nav'});
 285                 a.on('textComplete:select', function(e, value, strategy) { submit_form(this); });
 286         };
 287 })( jQuery );
 288
 289 (function( $ ) {
 290         $.fn.contact_autocomplete = function(backend_url, typ, autosubmit, onselect) {
 291                 if(typeof typ === 'undefined') typ = '';
 292                 if(typeof autosubmit === 'undefined') autosubmit = false;
 293
 294                 // Autocomplete contacts
 295                 contacts = {
 296                         match: /(^)([^\n]+)$/,
 297                         index: 2,
 298                         search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
 299                         replace: basic_replace,
 300                         template: contact_format,
 301                 };
 302
 303                 this.attr('autocomplete','off');
 304                 var a = this.textcomplete([contacts], {className:'acpopup', zIndex:10000});
 305
 306                 if(autosubmit)
 307                         a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
 308
 309                 if(typeof onselect !== 'undefined')
 310                         a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
 311         };
 312 })( jQuery );
 313
 314
 315 (function( $ ) {
 316         $.fn.name_autocomplete = function(backend_url, typ, autosubmit, onselect) {
 317                 if(typeof typ === 'undefined') typ = '';
 318                 if(typeof autosubmit === 'undefined') autosubmit = false;
 319
 320                 // Autocomplete contacts
 321                 names = {
 322                         match: /(^)([^\n]+)$/,
 323                         index: 2,
 324                         search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
 325                         replace: trim_replace,
 326                         template: contact_format,
 327                 };
 328
 329                 this.attr('autocomplete','off');
 330                 var a = this.textcomplete([names], {className:'acpopup', zIndex:10000});
 331
 332                 if(autosubmit)
 333                         a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
 334
 335                 if(typeof onselect !== 'undefined')
 336                         a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
 337         };
 338 })( jQuery );
 339
 340 (function( $ ) {
 341         $.fn.bbco_autocomplete = function(type) {
 342
 343                 if(type=='bbcode') {
 344                         var open_close_elements = ['bold', 'italic', 'underline', 'overline', 'strike', 'quote', 'code', 'spoiler', 'map', 'img', 'url', 'audio', 'video', 'embed', 'youtube', 'vimeo', 'list', 'ul', 'ol', 'li', 'table', 'tr', 'th', 'td', 'center', 'color', 'font', 'size', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'nobb', 'noparse', 'pre', 'abstract'];
 345                         var open_elements = ['*', 'hr'];
 346
 347                         var elements = open_close_elements.concat(open_elements);
 348                 }
 349
 350                 bbco = {
 351                         match: /\[(\w*\**)$/,
 352                         search: function (term, callback) {
 353                                 callback($.map(elements, function (element) {
 354                                         return element.indexOf(term) === 0 ? element : null;
 355                                 }));
 356                         },
 357                         index: 1,
 358                         replace: function (element) {
 359                                 element = string2bb(element);
 360                                 if(open_elements.indexOf(element) < 0) {
 361                                         if(element === 'list' || element === 'ol' || element === 'ul') {
 362                                                 return ['\[' + element + '\]' + '\n\[*\] ', '\n\[/' + element + '\]'];
 363                                         }
 364                                         else if(element === 'table') {
 365                                                 return ['\[' + element + '\]' + '\n\[tr\]', '\[/tr\]\n\[/' + element + '\]'];
 366                                         }
 367                                         else {
 368                                                 return ['\[' + element + '\]', '\[/' + element + '\]'];
 369                                         }
 370                                 }
 371                                 else {
 372                                         return '\[' + element + '\] ';
 373                                 }
 374                         }
 375                 };
 376
 377                 this.attr('autocomplete','off');
 378                 var a = this.textcomplete([bbco], {className:'acpopup', zIndex:10000});
 379
 380                 a.on('textComplete:select', function(e, value, strategy) { value; });
 381
 382                 a.keypress(function(e){
 383                         if (e.keyCode == 13) {
 384                                 var x = listNewLineAutocomplete(this.id);
 385                                 if(x) {
 386                                         e.stopImmediatePropagation();
 387                                         e.preventDefault();
 388                                 }
 389                         }
 390                 });
 391         };
 392 })( jQuery );
 393
 394 /**
 395  * Friendica people autocomplete legacy code
 396  *
 397  * require jQuery, jquery.textareas
 398  */
 399 function ACPopup(elm, backend_url){
 400         this.idsel = -1;
 401         this.element = elm;
 402         this.searchText = '';
 403         this.ready = true;
 404         this.kp_timer = false;
 405         this.url = backend_url;
 406
 407         this.conversation_id = null;
 408         var conv_id = this.element.id.match(/\d+$/);
 409         if (conv_id) {
 410                 this.conversation_id = conv_id[0];
 411         }
 412
 413         var w = $(elm).width();
 414         var h = $(elm).height();
 415
 416         var style = $(elm).offset();
 417         style.top = style.top + h;
 418         style.width = w;
 419         style.position = 'absolute';
 420         style.display = 'none';
 421
 422         this.cont = $('<div class="acpopup-mce"></div>');
 423         this.cont.css(style);
 424
 425         $('body').append(this.cont);
 426 }
 427
 428 ACPopup.prototype.close = function(){
 429         $(this.cont).remove();
 430         this.ready=false;
 431 }
 432 ACPopup.prototype.search = function(text){
 433         var that = this;
 434         this.searchText=text;
 435         if (this.kp_timer) clearTimeout(this.kp_timer);
 436         this.kp_timer = setTimeout( function(){that._search();}, 500);
 437 }
 438
 439 ACPopup.prototype._search = function(){
 440         console.log("_search");
 441         var that = this;
 442         var postdata = {
 443                 start:0,
 444                 count:100,
 445                 search:this.searchText,
 446                 type:'c',
 447                 conversation: this.conversation_id,
 448         }
 449
 450         $.ajax({
 451                 type:'POST',
 452                 url: this.url,
 453                 data: postdata,
 454                 dataType: 'json',
 455                 success:function(data){
 456                         that.cont.html("");
 457                         if (data.tot>0){
 458                                 that.cont.show();
 459                                 $(data.items).each(function(){
 460                                         var html = "<img src='{0}' height='16px' width='16px'>{1} ({2})".format(this.photo, this.name, this.nick);
 461                                         var nick = this.nick.replace(' ','');
 462                                         if (this.id!=='')  nick += '+' + this.id;
 463                                         that.add(html, nick + ' - ' + this.link);
 464                                 });
 465                         } else {
 466                                 that.cont.hide();
 467                         }
 468                 }
 469         });
 470
 471 }
 472
 473 ACPopup.prototype.add = function(label, value){
 474         var that = this;
 475         var elm = $('<div class="acpopupitem" title="' + value + '">' + label + '</div>');
 476         elm.click(function(e){
 477                 t = $(this).attr('title').replace(new RegExp(' \- .*'), '');
 478                 el = $(that.element);
 479                 sel = el.getSelection();
 480                 sel.start = sel.start - that.searchText.length;
 481                 el.setSelection(sel.start, sel.end).replaceSelectedText(t + ' ').collapseSelection(false);
 482                 that.close();
 483         });
 484         $(this.cont).append(elm);
 485 }
 486
 487 ACPopup.prototype.onkey = function(event){
 488         if (event.keyCode == '13') {
 489                 if(this.idsel > -1) {
 490                         this.cont.children()[this.idsel].click();
 491                         event.preventDefault();
 492                 } else {
 493                         this.close();
 494                 }
 495         }
 496         if (event.keyCode == '38') { //cursor up
 497                 var cmax = this.cont.children().size() - 1;
 498                 this.idsel--;
 499                 if (this.idsel < 0) {
 500                         this.idsel = cmax;
 501                 }
 502                 event.preventDefault();
 503         }
 504         if (event.keyCode == '40' || event.keyCode == '9') { //cursor down
 505                 var cmax = this.cont.children().size() - 1;
 506                 this.idsel++;
 507                 if (this.idsel > cmax) {
 508                         this.idsel = 0;
 509                 }
 510                 event.preventDefault();
 511         }
 512
 513         if (event.keyCode == '38' || event.keyCode == '40' || event.keyCode == '9') {
 514                 this.cont.children().removeClass('selected');
 515                 $(this.cont.children()[this.idsel]).addClass('selected');
 516         }
 517
 518         if (event.keyCode == '27') { //ESC
 519                 this.close();
 520         }
 521 }
 522 // @license-end