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