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         else {
 167                 return false;
 168         }
 169 }
 170
 171 function string2bb(element) {
 172         if(element == 'bold') return 'b';
 173         else if(element == 'italic') return 'i';
 174         else if(element == 'underline') return 'u';
 175         else if(element == 'overline') return 'o';
 176         else if(element == 'strike') return 's';
 177         else return element;
 178 }
 179
 180 /**
 181  * jQuery plugin 'editor_autocomplete'
 182  */
 183 (function( $ ) {
 184         $.fn.editor_autocomplete = function(backend_url) {
 185
 186                 // Autocomplete contacts
 187                 contacts = {
 188                         match: /(^|\s)(@\!*)([^ \n]+)$/,
 189                         index: 3,
 190                         search: function(term, callback) { contact_search(term, callback, backend_url, 'c'); },
 191                         replace: editor_replace,
 192                         template: contact_format,
 193                 };
 194
 195                 // Autocomplete smilies e.g. ":like"
 196                 smilies = {
 197                         match: /(^|\s)(:[a-z]{2,})$/,
 198                         index: 2,
 199                         search: function(term, callback) { $.getJSON('smilies/json').done(function(data) { callback($.map(data, function(entry) { return entry.text.indexOf(term) === 0 ? entry : null; })); }); },
 200                         template: function(item) { return item.icon + ' ' + item.text; },
 201                         replace: function(item) { return "$1" + item.text + ' '; },
 202                 };
 203
 204                 this.attr('autocomplete','off');
 205                 this.textcomplete([contacts,smilies], {className:'acpopup', zIndex:10000});
 206         };
 207 })( jQuery );
 208
 209 /**
 210  * jQuery plugin 'search_autocomplete'
 211  */
 212 (function( $ ) {
 213         $.fn.search_autocomplete = function(backend_url) {
 214                 // Autocomplete contacts
 215                 contacts = {
 216                         match: /(^@)([^\n]{2,})$/,
 217                         index: 2,
 218                         search: function(term, callback) { contact_search(term, callback, backend_url, 'x', 'contact'); },
 219                         replace: basic_replace,
 220                         template: contact_format,
 221                 };
 222
 223                 // Autocomplete forum accounts
 224                 community = {
 225                         match: /(^!)([^\n]{2,})$/,
 226                         index: 2,
 227                         search: function(term, callback) { contact_search(term, callback, backend_url, 'x', 'community'); },
 228                         replace: basic_replace,
 229                         template: contact_format,
 230                 };
 231                 this.attr('autocomplete', 'off');
 232                 var a = this.textcomplete([contacts, community], {className:'acpopup', maxCount:100, zIndex: 10000, appendTo:'nav'});
 233                 a.on('textComplete:select', function(e, value, strategy) { submit_form(this); });
 234         };
 235 })( jQuery );
 236
 237 (function( $ ) {
 238         $.fn.contact_autocomplete = function(backend_url, typ, autosubmit, onselect) {
 239                 if(typeof typ === 'undefined') typ = '';
 240                 if(typeof autosubmit === 'undefined') autosubmit = false;
 241
 242                 // Autocomplete contacts
 243                 contacts = {
 244                         match: /(^)([^\n]+)$/,
 245                         index: 2,
 246                         search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
 247                         replace: basic_replace,
 248                         template: contact_format,
 249                 };
 250
 251                 this.attr('autocomplete','off');
 252                 var a = this.textcomplete([contacts], {className:'acpopup', zIndex:10000});
 253
 254                 if(autosubmit)
 255                         a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
 256
 257                 if(typeof onselect !== 'undefined')
 258                         a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
 259         };
 260 })( jQuery );
 261
 262
 263 (function( $ ) {
 264         $.fn.name_autocomplete = function(backend_url, typ, autosubmit, onselect) {
 265                 if(typeof typ === 'undefined') typ = '';
 266                 if(typeof autosubmit === 'undefined') autosubmit = false;
 267
 268                 // Autocomplete contacts
 269                 names = {
 270                         match: /(^)([^\n]+)$/,
 271                         index: 2,
 272                         search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
 273                         replace: trim_replace,
 274                         template: contact_format,
 275                 };
 276
 277                 this.attr('autocomplete','off');
 278                 var a = this.textcomplete([names], {className:'acpopup', zIndex:10000});
 279
 280                 if(autosubmit)
 281                         a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
 282
 283                 if(typeof onselect !== 'undefined')
 284                         a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
 285         };
 286 })( jQuery );
 287
 288 (function( $ ) {
 289         $.fn.bbco_autocomplete = function(type) {
 290
 291                 if(type=='bbcode') {
 292                         var open_close_elements = ['bold', 'italic', 'underline', 'overline', 'strike', 'quote', 'code', 'spoiler', 'map', 'img', 'url', 'audio', 'video', 'youtube', 'vimeo', 'list', 'ul', 'ol', 'li', 'table', 'tr', 'th', 'td', 'center', 'color', 'font', 'size', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'nobb', 'noparse', 'pre', 'abstract'];
 293                         var open_elements = ['*', 'hr'];
 294
 295                         var elements = open_close_elements.concat(open_elements);
 296                 }
 297
 298                 bbco = {
 299                         match: /\[(\w*\**)$/,
 300                         search: function (term, callback) {
 301                                 callback($.map(elements, function (element) {
 302                                         return element.indexOf(term) === 0 ? element : null;
 303                                 }));
 304                         },
 305                         index: 1,
 306                         replace: function (element) {
 307                                 element = string2bb(element);
 308                                 if(open_elements.indexOf(element) < 0) {
 309                                         if(element === 'list' || element === 'ol' || element === 'ul') {
 310                                                 return ['\[' + element + '\]' + '\n\[*\] ', '\n\[/' + element + '\]'];
 311                                         }
 312                                         else if(element === 'table') {
 313                                                 return ['\[' + element + '\]' + '\n\[tr\]', '\[/tr\]\n\[/' + element + '\]'];
 314                                         }
 315                                         else {
 316                                                 return ['\[' + element + '\]', '\[/' + element + '\]'];
 317                                         }
 318                                 }
 319                                 else {
 320                                         return '\[' + element + '\] ';
 321                                 }
 322                         }
 323                 };
 324
 325                 this.attr('autocomplete','off');
 326                 var a = this.textcomplete([bbco], {className:'acpopup', zIndex:10000});
 327
 328                 a.on('textComplete:select', function(e, value, strategy) { value; });
 329
 330                 a.keypress(function(e){
 331                         if (e.keyCode == 13) {
 332                                 var x = listNewLineAutocomplete(this.id);
 333                                 if(x) {
 334                                         e.stopImmediatePropagation();
 335                                         e.preventDefault();
 336                                 }
 337                         }
 338                 });
 339         };
 340 })( jQuery );
 341
 342 /**
 343  * Friendica people autocomplete legacy
 344  * code which is needed for tinymce
 345  *
 346  * require jQuery, jquery.textareas
 347  */
 348
 349 function ACPopup(elm,backend_url){
 350         this.idsel=-1;
 351         this.element = elm;
 352         this.searchText="";
 353         this.ready=true;
 354         this.kp_timer = false;
 355         this.url = backend_url;
 356
 357         this.conversation_id = null;
 358         var conv_id = this.element.id.match(/\d+$/);
 359         if (conv_id) this.conversation_id = conv_id[0];
 360         console.log("ACPopup elm id",this.element.id,"conversation",this.conversation_id);
 361
 362         var w = 530;
 363         var h = 130;
 364
 365
 366         if(tinyMCE.activeEditor == null) {
 367                 style = $(elm).offset();
 368                 w = $(elm).width();
 369                 h = $(elm).height();
 370         }
 371         else {
 372                 // I can't find an "official" way to get the element who get all
 373                 // this fraking thing that is tinyMCE.
 374                 // This code will broke again at some point...
 375                 var container = $(tinyMCE.activeEditor.getContainer()).find("table");
 376                 style = $(container).offset();
 377                 w = $(container).width();
 378                 h = $(container).height();
 379         }
 380
 381         style.top=style.top+h;
 382         style.width = w;
 383         style.position = 'absolute';
 384         /*      style['max-height'] = '150px';
 385                 style.border = '1px solid red';
 386                 style.background = '#cccccc';
 387
 388                 style.overflow = 'auto';
 389                 style['z-index'] = '100000';
 390         */
 391         style.display = 'none';
 392
 393         this.cont = $("<div class='acpopup-mce'></div>");
 394         this.cont.css(style);
 395
 396         $("body").append(this.cont);
 397     }
 398
 399 ACPopup.prototype.close = function(){
 400         $(this.cont).remove();
 401         this.ready=false;
 402 }
 403 ACPopup.prototype.search = function(text){
 404         var that = this;
 405         this.searchText=text;
 406         if (this.kp_timer) clearTimeout(this.kp_timer);
 407         this.kp_timer = setTimeout( function(){that._search();}, 500);
 408 }
 409
 410 ACPopup.prototype._search = function(){
 411         console.log("_search");
 412         var that = this;
 413         var postdata = {
 414                 start:0,
 415                 count:100,
 416                 search:this.searchText,
 417                 type:'c',
 418                 conversation: this.conversation_id,
 419         }
 420
 421         $.ajax({
 422                 type:'POST',
 423                 url: this.url,
 424                 data: postdata,
 425                 dataType: 'json',
 426                 success:function(data){
 427                         that.cont.html("");
 428                         if (data.tot>0){
 429                                 that.cont.show();
 430                                 $(data.items).each(function(){
 431                                         var html = "<img src='{0}' height='16px' width='16px'>{1} ({2})".format(this.photo, this.name, this.nick);
 432                                         var nick = this.nick.replace(' ','');
 433                                         if (this.id!=='')  nick += '+' + this.id;
 434                                         that.add(html, nick + ' - ' + this.link);
 435                                 });
 436                         } else {
 437                                 that.cont.hide();
 438                         }
 439                 }
 440         });
 441
 442 }
 443
 444 ACPopup.prototype.add = function(label, value){
 445         var that=this;
 446         var elm = $("<div class='acpopupitem' title='"+value+"'>"+label+"</div>");
 447         elm.click(function(e){
 448                 t = $(this).attr('title').replace(new RegExp(' \- .*'),'');
 449                 if(typeof(that.element.container) === "undefined") {
 450                         el=$(that.element);
 451                         sel = el.getSelection();
 452                         sel.start = sel.start- that.searchText.length;
 453                         el.setSelection(sel.start,sel.end).replaceSelectedText(t+' ').collapseSelection(false);
 454                         that.close();
 455                 }
 456                 else {
 457                         txt = tinyMCE.activeEditor.getContent();
 458                         //                      alert(that.searchText + ':' + t);
 459                         newtxt = txt.replace('@' + that.searchText,'@' + t +' ');
 460                         tinyMCE.activeEditor.setContent(newtxt);
 461                         tinyMCE.activeEditor.focus();
 462                         that.close();
 463                 }
 464         });
 465         $(this.cont).append(elm);
 466 }
 467
 468 ACPopup.prototype.onkey = function(event){
 469         if (event.keyCode == '13') {
 470                 if(this.idsel>-1) {
 471                         this.cont.children()[this.idsel].click();
 472                         event.preventDefault();
 473                 }
 474                 else
 475                         this.close();
 476         }
 477         if (event.keyCode == '38') { //cursor up
 478                 cmax = this.cont.children().size()-1;
 479                 this.idsel--;
 480                 if (this.idsel<0) this.idsel=cmax;
 481                 event.preventDefault();
 482         }
 483         if (event.keyCode == '40' || event.keyCode == '9') { //cursor down
 484                 cmax = this.cont.children().size()-1;
 485                 this.idsel++;
 486                 if (this.idsel>cmax) this.idsel=0;
 487                 event.preventDefault();
 488         }
 489
 490         if (event.keyCode == '38' || event.keyCode == '40' || event.keyCode == '9') {
 491                 this.cont.children().removeClass('selected');
 492                 $(this.cont.children()[this.idsel]).addClass('selected');
 493         }
 494
 495         if (event.keyCode == '27') { //ESC
 496                 this.close();
 497         }
 498 }
 499