view/js/autocomplete.js

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