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