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['mode'] = 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 editor_replace(item) {
  81         if(typeof item.replace !== 'undefined') {
  82                 return '$1$2' + item.replace;
  83         }
  84
  85         // $2 ensures that prefix (@,@!) is preserved
  86         var id = item.id;
  87
  88         // don't add the id if it is empty (the id empty eg. if there are unknow contacts in thread)
  89         if(id.length < 1)
  90                 return '$1$2' + item.nick.replace(' ', '') + ' ';
  91
  92         // 16 chars of hash should be enough. Full hash could be used if it can be done in a visually appealing way.
  93         // 16 chars is also the minimum length in the backend (otherwise it's interpreted as a local id).
  94         if(id.length > 16)
  95                 id = item.id.substring(0,16);
  96
  97         return '$1$2' + item.nick.replace(' ', '') + '+' + id + ' ';
  98 }
  99
 100 function basic_replace(item) {
 101         if(typeof item.replace !== 'undefined')
 102                 return '$1'+item.replace;
 103
 104         return '$1'+item.name+' ';
 105 }
 106
 107 function trim_replace(item) {
 108         if(typeof item.replace !== 'undefined')
 109                 return '$1'+item.replace;
 110
 111         return '$1'+item.name;
 112 }
 113
 114
 115 function submit_form(e) {
 116         $(e).parents('form').submit();
 117 }
 118
 119 function getWord(text, caretPos) {
 120         var index = text.indexOf(caretPos);
 121         var postText = text.substring(caretPos, caretPos+8);
 122         if ((postText.indexOf("[/list]") > 0) || postText.indexOf("[/ul]") > 0 || postText.indexOf("[/ol]") > 0) {
 123                 return postText;
 124         }
 125 }
 126
 127 function getCaretPosition(ctrl) {
 128         var CaretPos = 0;   // IE Support
 129         if (document.selection) {
 130                 ctrl.focus();
 131                 var Sel = document.selection.createRange();
 132                 Sel.moveStart('character', -ctrl.value.length);
 133                 CaretPos = Sel.text.length;
 134         }
 135         // Firefox support
 136         else if (ctrl.selectionStart || ctrl.selectionStart == '0')
 137                 CaretPos = ctrl.selectionStart;
 138         return (CaretPos);
 139 }
 140
 141 function setCaretPosition(ctrl, pos){
 142         if(ctrl.setSelectionRange) {
 143                 ctrl.focus();
 144                 ctrl.setSelectionRange(pos,pos);
 145         }
 146         else if (ctrl.createTextRange) {
 147                 var range = ctrl.createTextRange();
 148                 range.collapse(true);
 149                 range.moveEnd('character', pos);
 150                 range.moveStart('character', pos);
 151                 range.select();
 152         }
 153 }
 154
 155 function listNewLineAutocomplete(id) {
 156         var text = document.getElementById(id);
 157         var caretPos = getCaretPosition(text)
 158         var word = getWord(text.value, caretPos);
 159         if (word != null) {
 160                 var textBefore = text.value.substring(0, caretPos);
 161                 var textAfter  = text.value.substring(caretPos, text.length);
 162                 $('#' + id).val(textBefore + '\r\n[*] ' + textAfter);
 163                 setCaretPosition(text, caretPos + 5);
 164                 return true;
 165         }
 166 }
 167
 168 function string2bb(element) {
 169         if(element == 'bold') return 'b';
 170         else if(element == 'italic') return 'i';
 171         else if(element == 'underline') return 'u';
 172         else if(element == 'overline') return 'o';
 173         else if(element == 'strike') return 's';
 174         else return element;
 175 }
 176
 177 /**
 178  * jQuery plugin 'editor_autocomplete'
 179  */
 180 (function( $ ) {
 181         $.fn.editor_autocomplete = function(backend_url) {
 182
 183                 // Autocomplete contacts
 184                 contacts = {
 185                         match: /(^|\s)(@\!*)([^ \n]+)$/,
 186                         index: 3,
 187                         search: function(term, callback) { contact_search(term, callback, backend_url, 'c'); },
 188                         replace: editor_replace,
 189                         template: contact_format,
 190                 };
 191
 192                 // Autocomplete smilies e.g. ":like"
 193                 smilies = {
 194                         match: /(^|\s)(:[a-z]{2,})$/,
 195                         index: 2,
 196                         search: function(term, callback) { $.getJSON('smilies/json').done(function(data) { callback($.map(data, function(entry) { return entry.text.indexOf(term) === 0 ? entry : null; })); }); },
 197                         template: function(item) { return item.icon + ' ' + item.text; },
 198                         replace: function(item) { return "$1" + item.text + ' '; },
 199                 };
 200
 201                 this.attr('autocomplete','off');
 202                 this.textcomplete([contacts,smilies], {className:'acpopup', zIndex:10000});
 203         };
 204 })( jQuery );
 205
 206 /**
 207  * jQuery plugin 'search_autocomplete'
 208  */
 209 (function( $ ) {
 210         $.fn.search_autocomplete = function(backend_url) {
 211                 // Autocomplete contacts
 212                 contacts = {
 213                         match: /(^@)([^\n]{2,})$/,
 214                         index: 2,
 215                         search: function(term, callback) { contact_search(term, callback, backend_url, 'x', 'contact'); },
 216                         replace: basic_replace,
 217                         template: contact_format,
 218                 };
 219
 220                 // Autocomplete forum accounts
 221                 community = {
 222                         match: /(^!)([^\n]{2,})$/,
 223                         index: 2,
 224                         search: function(term, callback) { contact_search(term, callback, backend_url, 'x', 'community'); },
 225                         replace: basic_replace,
 226                         template: contact_format,
 227                 };
 228                 this.attr('autocomplete', 'off');
 229                 var a = this.textcomplete([contacts, community], {className:'acpopup', maxCount:100, zIndex: 10000, appendTo:'nav'});
 230                 a.on('textComplete:select', function(e, value, strategy) { submit_form(this); });
 231         };
 232 })( jQuery );
 233
 234 (function( $ ) {
 235         $.fn.contact_autocomplete = function(backend_url, typ, autosubmit, onselect) {
 236                 if(typeof typ === 'undefined') typ = '';
 237                 if(typeof autosubmit === 'undefined') autosubmit = false;
 238
 239                 // Autocomplete contacts
 240                 contacts = {
 241                         match: /(^)([^\n]+)$/,
 242                         index: 2,
 243                         search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
 244                         replace: basic_replace,
 245                         template: contact_format,
 246                 };
 247
 248                 this.attr('autocomplete','off');
 249                 var a = this.textcomplete([contacts], {className:'acpopup', zIndex:10000});
 250
 251                 if(autosubmit)
 252                         a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
 253
 254                 if(typeof onselect !== 'undefined')
 255                         a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
 256         };
 257 })( jQuery );
 258
 259
 260 (function( $ ) {
 261         $.fn.name_autocomplete = function(backend_url, typ, autosubmit, onselect) {
 262                 if(typeof typ === 'undefined') typ = '';
 263                 if(typeof autosubmit === 'undefined') autosubmit = false;
 264
 265                 // Autocomplete contacts
 266                 names = {
 267                         match: /(^)([^\n]+)$/,
 268                         index: 2,
 269                         search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
 270                         replace: trim_replace,
 271                         template: contact_format,
 272                 };
 273
 274                 this.attr('autocomplete','off');
 275                 var a = this.textcomplete([names], {className:'acpopup', zIndex:10000});
 276
 277                 if(autosubmit)
 278                         a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
 279
 280                 if(typeof onselect !== 'undefined')
 281                         a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
 282         };
 283 })( jQuery );
 284
 285 (function( $ ) {
 286         $.fn.bbco_autocomplete = function(type) {
 287
 288                 if(type=='bbcode') {
 289                         var open_close_elements = ['bold', 'italic', 'underline', 'overline', 'strike', 'quote', 'code', 'spoiler', 'map', 'nobb', 'list', 'ul', 'ol', 'li', 'table', 'tr', 'th', 'td', 'center', 'color', 'font', 'size'];
 290                         var open_elements = ['*', 'hr'];
 291
 292                         var elements = open_close_elements.concat(open_elements);
 293                 }
 294
 295                 bbco = {
 296                         match: /\[(\w*\**)$/,
 297                         search: function (term, callback) {
 298                                 callback($.map(elements, function (element) {
 299                                         return element.indexOf(term) === 0 ? element : null;
 300                                 }));
 301                         },
 302                         index: 1,
 303                         replace: function (element) {
 304                                 element = string2bb(element);
 305                                 if(open_elements.indexOf(element) < 0) {
 306                                         if(element === 'list' || element === 'ol' || element === 'ul') {
 307                                                 return ['\[' + element + '\]' + '\n\[*\] ', '\n\[/' + element + '\]'];
 308                                         }
 309                                         else if(element === 'table') {
 310                                                 return ['\[' + element + '\]' + '\n\[tr\]', '\[/tr\]\n\[/' + element + '\]'];
 311                                         }
 312                                         else {
 313                                                 return ['\[' + element + '\]', '\[/' + element + '\]'];
 314                                         }
 315                                 }
 316                                 else {
 317                                         return '\[' + element + '\] ';
 318                                 }
 319                         }
 320                 };
 321
 322                 this.attr('autocomplete','off');
 323                 var a = this.textcomplete([bbco], {className:'acpopup', zIndex:10000});
 324
 325                 a.on('textComplete:select', function(e, value, strategy) { value; });
 326
 327                 a.keypress(function(e){
 328                         e.stopImmediatePropagation();
 329                         if (e.keyCode == 13) {
 330                                 var x = listNewLineAutocomplete(this.id);
 331                                 if(x)
 332                                         e.preventDefault();
 333                         }
 334                 });
 335         };
 336 })( jQuery );
 337
 338 /**
 339  * Friendica people autocomplete legacy
 340  * code which is needed for tinymce
 341  *
 342  * require jQuery, jquery.textareas
 343  */
 344
 345 function ACPopup(elm,backend_url){
 346         this.idsel=-1;
 347         this.element = elm;
 348         this.searchText="";
 349         this.ready=true;
 350         this.kp_timer = false;
 351         this.url = backend_url;
 352
 353         this.conversation_id = null;
 354         var conv_id = this.element.id.match(/\d+$/);
 355         if (conv_id) this.conversation_id = conv_id[0];
 356         console.log("ACPopup elm id",this.element.id,"conversation",this.conversation_id);
 357
 358         var w = 530;
 359         var h = 130;
 360
 361
 362         if(tinyMCE.activeEditor == null) {
 363                 style = $(elm).offset();
 364                 w = $(elm).width();
 365                 h = $(elm).height();
 366         }
 367         else {
 368                 // I can't find an "official" way to get the element who get all
 369                 // this fraking thing that is tinyMCE.
 370                 // This code will broke again at some point...
 371                 var container = $(tinyMCE.activeEditor.getContainer()).find("table");
 372                 style = $(container).offset();
 373                 w = $(container).width();
 374                 h = $(container).height();
 375         }
 376
 377         style.top=style.top+h;
 378         style.width = w;
 379         style.position = 'absolute';
 380         /*      style['max-height'] = '150px';
 381                 style.border = '1px solid red';
 382                 style.background = '#cccccc';
 383
 384                 style.overflow = 'auto';
 385                 style['z-index'] = '100000';
 386         */
 387         style.display = 'none';
 388
 389         this.cont = $("<div class='acpopup-mce'></div>");
 390         this.cont.css(style);
 391
 392         $("body").append(this.cont);
 393     }
 394
 395 ACPopup.prototype.close = function(){
 396         $(this.cont).remove();
 397         this.ready=false;
 398 }
 399 ACPopup.prototype.search = function(text){
 400         var that = this;
 401         this.searchText=text;
 402         if (this.kp_timer) clearTimeout(this.kp_timer);
 403         this.kp_timer = setTimeout( function(){that._search();}, 500);
 404 }
 405
 406 ACPopup.prototype._search = function(){
 407         console.log("_search");
 408         var that = this;
 409         var postdata = {
 410                 start:0,
 411                 count:100,
 412                 search:this.searchText,
 413                 type:'c',
 414                 conversation: this.conversation_id,
 415         }
 416
 417         $.ajax({
 418                 type:'POST',
 419                 url: this.url,
 420                 data: postdata,
 421                 dataType: 'json',
 422                 success:function(data){
 423                         that.cont.html("");
 424                         if (data.tot>0){
 425                                 that.cont.show();
 426                                 $(data.items).each(function(){
 427                                         var html = "<img src='{0}' height='16px' width='16px'>{1} ({2})".format(this.photo, this.name, this.nick);
 428                                         var nick = this.nick.replace(' ','');
 429                                         if (this.id!=='')  nick += '+' + this.id;
 430                                         that.add(html, nick + ' - ' + this.link);
 431                                 });
 432                         } else {
 433                                 that.cont.hide();
 434                         }
 435                 }
 436         });
 437
 438 }
 439
 440 ACPopup.prototype.add = function(label, value){
 441         var that=this;
 442         var elm = $("<div class='acpopupitem' title='"+value+"'>"+label+"</div>");
 443         elm.click(function(e){
 444                 t = $(this).attr('title').replace(new RegExp(' \- .*'),'');
 445                 if(typeof(that.element.container) === "undefined") {
 446                         el=$(that.element);
 447                         sel = el.getSelection();
 448                         sel.start = sel.start- that.searchText.length;
 449                         el.setSelection(sel.start,sel.end).replaceSelectedText(t+' ').collapseSelection(false);
 450                         that.close();
 451                 }
 452                 else {
 453                         txt = tinyMCE.activeEditor.getContent();
 454                         //                      alert(that.searchText + ':' + t);
 455                         newtxt = txt.replace('@' + that.searchText,'@' + t +' ');
 456                         tinyMCE.activeEditor.setContent(newtxt);
 457                         tinyMCE.activeEditor.focus();
 458                         that.close();
 459                 }
 460         });
 461         $(this.cont).append(elm);
 462 }
 463
 464 ACPopup.prototype.onkey = function(event){
 465         if (event.keyCode == '13') {
 466                 if(this.idsel>-1) {
 467                         this.cont.children()[this.idsel].click();
 468                         event.preventDefault();
 469                 }
 470                 else
 471                         this.close();
 472         }
 473         if (event.keyCode == '38') { //cursor up
 474                 cmax = this.cont.children().size()-1;
 475                 this.idsel--;
 476                 if (this.idsel<0) this.idsel=cmax;
 477                 event.preventDefault();
 478         }
 479         if (event.keyCode == '40' || event.keyCode == '9') { //cursor down
 480                 cmax = this.cont.children().size()-1;
 481                 this.idsel++;
 482                 if (this.idsel>cmax) this.idsel=0;
 483                 event.preventDefault();
 484         }
 485
 486         if (event.keyCode == '38' || event.keyCode == '40' || event.keyCode == '9') {
 487                 this.cont.children().removeClass('selected');
 488                 $(this.cont.children()[this.idsel]).addClass('selected');
 489         }
 490
 491         if (event.keyCode == '27') { //ESC
 492                 this.close();
 493         }
 494 }
 495