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          // 16 chars of hash should be enough. Full hash could be used if it can be done in a visually appealing way.
  88         // 16 chars is also the minimum length in the backend (otherwise it's interpreted as a local id).
  89         if(id.length > 16)
  90                 id = item.id.substring(0,16);
  91
  92         return '$1$2' + item.nick.replace(' ', '') + '+' + id + ' ';
  93 }
  94
  95 function basic_replace(item) {
  96         if(typeof item.replace !== 'undefined')
  97                 return '$1'+item.replace;
  98
  99         return '$1'+item.name+' ';
 100 }
 101
 102 function trim_replace(item) {
 103         if(typeof item.replace !== 'undefined')
 104                 return '$1'+item.replace;
 105
 106         return '$1'+item.name;
 107 }
 108
 109
 110 function submit_form(e) {
 111         $(e).parents('form').submit();
 112 }
 113
 114 function getWord(text, caretPos) {
 115         var index = text.indexOf(caretPos);
 116         var postText = text.substring(caretPos, caretPos+8);
 117         if ((postText.indexOf("[/list]") > 0) || postText.indexOf("[/ul]") > 0 || postText.indexOf("[/ol]") > 0) {
 118                 return postText;
 119         }
 120 }
 121
 122 function getCaretPosition(ctrl) {
 123         var CaretPos = 0;   // IE Support
 124         if (document.selection) {
 125                 ctrl.focus();
 126                 var Sel = document.selection.createRange();
 127                 Sel.moveStart('character', -ctrl.value.length);
 128                 CaretPos = Sel.text.length;
 129         }
 130         // Firefox support
 131         else if (ctrl.selectionStart || ctrl.selectionStart == '0')
 132                 CaretPos = ctrl.selectionStart;
 133         return (CaretPos);
 134 }
 135
 136 function setCaretPosition(ctrl, pos){
 137         if(ctrl.setSelectionRange) {
 138                 ctrl.focus();
 139                 ctrl.setSelectionRange(pos,pos);
 140         }
 141         else if (ctrl.createTextRange) {
 142                 var range = ctrl.createTextRange();
 143                 range.collapse(true);
 144                 range.moveEnd('character', pos);
 145                 range.moveStart('character', pos);
 146                 range.select();
 147         }
 148 }
 149
 150 function listNewLineAutocomplete(id) {
 151         var text = document.getElementById(id);
 152         var caretPos = getCaretPosition(text)
 153         var word = getWord(text.value, caretPos);
 154         if (word != null) {
 155                 var textBefore = text.value.substring(0, caretPos);
 156                 var textAfter  = text.value.substring(caretPos, text.length);
 157                 $('#' + id).val(textBefore + '\r\n[*] ' + textAfter);
 158                 setCaretPosition(text, caretPos + 5);
 159                 return true;
 160         }
 161 }
 162
 163 function string2bb(element) {
 164         if(element == 'bold') return 'b';
 165         else if(element == 'italic') return 'i';
 166         else if(element == 'underline') return 'u';
 167         else if(element == 'overline') return 'o';
 168         else if(element == 'strike') return 's';
 169         else return element;
 170 }
 171
 172 /**
 173  * jQuery plugin 'editor_autocomplete'
 174  */
 175 (function( $ ) {
 176         $.fn.editor_autocomplete = function(backend_url) {
 177
 178                 // Autocomplete contacts
 179                 contacts = {
 180                         match: /(^|\s)(@\!*)([^ \n]+)$/,
 181                         index: 3,
 182                         search: function(term, callback) { contact_search(term, callback, backend_url, 'c'); },
 183                         replace: editor_replace,
 184                         template: contact_format,
 185                 };
 186
 187                 // Autocomplete smilies e.g. ":like"
 188                 smilies = {
 189                         match: /(^|\s)(:[a-z]{2,})$/,
 190                         index: 2,
 191                         search: function(term, callback) { $.getJSON('smilies/json').done(function(data) { callback($.map(data, function(entry) { return entry.text.indexOf(term) === 0 ? entry : null; })); }); },
 192                         template: function(item) { return item.icon + ' ' + item.text; },
 193                         replace: function(item) { return "$1" + item.text + ' '; },
 194                 };
 195
 196                 this.attr('autocomplete','off');
 197                 this.textcomplete([contacts,smilies], {className:'acpopup', zIndex:1020});
 198         };
 199 })( jQuery );
 200
 201 /**
 202  * jQuery plugin 'search_autocomplete'
 203  */
 204 (function( $ ) {
 205         $.fn.search_autocomplete = function(backend_url) {
 206                 // Autocomplete contacts
 207                 contacts = {
 208                         match: /(^@)([^\n]{2,})$/,
 209                         index: 2,
 210                         search: function(term, callback) { contact_search(term, callback, backend_url, 'x', 'contact'); },
 211                         replace: basic_replace,
 212                         template: contact_format,
 213                 };
 214
 215                 // Autocomplete forum accounts
 216                 community = {
 217                         match: /(^!)([^\n]{2,})$/,
 218                         index: 2,
 219                         search: function(term, callback) { contact_search(term, callback, backend_url, 'x', 'community'); },
 220                         replace: basic_replace,
 221                         template: contact_format,
 222                 };
 223                 this.attr('autocomplete', 'off');
 224                 var a = this.textcomplete([contacts, community], {className:'acpopup', maxCount:100, zIndex: 1020, appendTo:'#nav-search-box'});
 225                 a.on('textComplete:select', function(e, value, strategy) { submit_form(this); });
 226         };
 227 })( jQuery );
 228
 229 (function( $ ) {
 230         $.fn.contact_autocomplete = function(backend_url, typ, autosubmit, onselect) {
 231                 if(typeof typ === 'undefined') typ = '';
 232                 if(typeof autosubmit === 'undefined') autosubmit = false;
 233
 234                 // Autocomplete contacts
 235                 contacts = {
 236                         match: /(^)([^\n]+)$/,
 237                         index: 2,
 238                         search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
 239                         replace: basic_replace,
 240                         template: contact_format,
 241                 };
 242
 243                 this.attr('autocomplete','off');
 244                 var a = this.textcomplete([contacts], {className:'acpopup', zIndex:1020});
 245
 246                 if(autosubmit)
 247                         a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
 248
 249                 if(typeof onselect !== 'undefined')
 250                         a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
 251         };
 252 })( jQuery );
 253
 254
 255 (function( $ ) {
 256         $.fn.name_autocomplete = function(backend_url, typ, autosubmit, onselect) {
 257                 if(typeof typ === 'undefined') typ = '';
 258                 if(typeof autosubmit === 'undefined') autosubmit = false;
 259
 260                 // Autocomplete contacts
 261                 names = {
 262                         match: /(^)([^\n]+)$/,
 263                         index: 2,
 264                         search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
 265                         replace: trim_replace,
 266                         template: contact_format,
 267                 };
 268
 269                 this.attr('autocomplete','off');
 270                 var a = this.textcomplete([names], {className:'acpopup', zIndex:1020});
 271
 272                 if(autosubmit)
 273                         a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
 274
 275                 if(typeof onselect !== 'undefined')
 276                         a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
 277         };
 278 })( jQuery );
 279
 280 (function( $ ) {
 281         $.fn.bbco_autocomplete = function(type) {
 282
 283                 if(type=='bbcode') {
 284                         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'];
 285                         var open_elements = ['*', 'hr'];
 286
 287                         var elements = open_close_elements.concat(open_elements);
 288                 }
 289
 290                 bbco = {
 291                         match: /\[(\w*\**)$/,
 292                         search: function (term, callback) {
 293                                 callback($.map(elements, function (element) {
 294                                         return element.indexOf(term) === 0 ? element : null;
 295                                 }));
 296                         },
 297                         index: 1,
 298                         replace: function (element) {
 299                                 element = string2bb(element);
 300                                 if(open_elements.indexOf(element) < 0) {
 301                                         if(element === 'list' || element === 'ol' || element === 'ul') {
 302                                                 return ['\[' + element + '\]' + '\n\[*\] ', '\n\[/' + element + '\]'];
 303                                         }
 304                                         else if(element === 'table') {
 305                                                 return ['\[' + element + '\]' + '\n\[tr\]', '\[/tr\]\n\[/' + element + '\]'];
 306                                         }
 307                                         else {
 308                                                 return ['\[' + element + '\]', '\[/' + element + '\]'];
 309                                         }
 310                                 }
 311                                 else {
 312                                         return '\[' + element + '\] ';
 313                                 }
 314                         }
 315                 };
 316
 317                 this.attr('autocomplete','off');
 318                 var a = this.textcomplete([bbco], {className:'acpopup', zIndex:1020});
 319
 320                 a.on('textComplete:select', function(e, value, strategy) { value; });
 321
 322                 a.keypress(function(e){
 323                         e.stopImmediatePropagation();
 324                         if (e.keyCode == 13) {
 325                                 var x = listNewLineAutocomplete(this.id);
 326                                 if(x)
 327                                         e.preventDefault();
 328                         }
 329                 });
 330         };
 331 })( jQuery );
 332
 333 /**
 334  * Friendica people autocomplete legacy
 335  * code which is needed for tinymce
 336  *
 337  * require jQuery, jquery.textareas
 338  */
 339
 340 function ACPopup(elm,backend_url){
 341         this.idsel=-1;
 342         this.element = elm;
 343         this.searchText="";
 344         this.ready=true;
 345         this.kp_timer = false;
 346         this.url = backend_url;
 347
 348         this.conversation_id = null;
 349         var conv_id = this.element.id.match(/\d+$/);
 350         if (conv_id) this.conversation_id = conv_id[0];
 351         console.log("ACPopup elm id",this.element.id,"conversation",this.conversation_id);
 352
 353         var w = 530;
 354         var h = 130;
 355
 356
 357         if(tinyMCE.activeEditor == null) {
 358                 style = $(elm).offset();
 359                 w = $(elm).width();
 360                 h = $(elm).height();
 361         }
 362         else {
 363                 // I can't find an "official" way to get the element who get all
 364                 // this fraking thing that is tinyMCE.
 365                 // This code will broke again at some point...
 366                 var container = $(tinyMCE.activeEditor.getContainer()).find("table");
 367                 style = $(container).offset();
 368                 w = $(container).width();
 369                 h = $(container).height();
 370         }
 371
 372         style.top=style.top+h;
 373         style.width = w;
 374         style.position = 'absolute';
 375         /*      style['max-height'] = '150px';
 376                 style.border = '1px solid red';
 377                 style.background = '#cccccc';
 378
 379                 style.overflow = 'auto';
 380                 style['z-index'] = '100000';
 381         */
 382         style.display = 'none';
 383
 384         this.cont = $("<div class='acpopup-mce'></div>");
 385         this.cont.css(style);
 386
 387         $("body").append(this.cont);
 388     }
 389
 390 ACPopup.prototype.close = function(){
 391         $(this.cont).remove();
 392         this.ready=false;
 393 }
 394 ACPopup.prototype.search = function(text){
 395         var that = this;
 396         this.searchText=text;
 397         if (this.kp_timer) clearTimeout(this.kp_timer);
 398         this.kp_timer = setTimeout( function(){that._search();}, 500);
 399 }
 400
 401 ACPopup.prototype._search = function(){
 402         console.log("_search");
 403         var that = this;
 404         var postdata = {
 405                 start:0,
 406                 count:100,
 407                 search:this.searchText,
 408                 type:'c',
 409                 conversation: this.conversation_id,
 410         }
 411
 412         $.ajax({
 413                 type:'POST',
 414                 url: this.url,
 415                 data: postdata,
 416                 dataType: 'json',
 417                 success:function(data){
 418                         that.cont.html("");
 419                         if (data.tot>0){
 420                                 that.cont.show();
 421                                 $(data.items).each(function(){
 422                                         var html = "<img src='{0}' height='16px' width='16px'>{1} ({2})".format(this.photo, this.name, this.nick);
 423                                         var nick = this.nick.replace(' ','');
 424                                         if (this.id!=='')  nick += '+' + this.id;
 425                                         that.add(html, nick + ' - ' + this.link);
 426                                 });
 427                         } else {
 428                                 that.cont.hide();
 429                         }
 430                 }
 431         });
 432
 433 }
 434
 435 ACPopup.prototype.add = function(label, value){
 436         var that=this;
 437         var elm = $("<div class='acpopupitem' title='"+value+"'>"+label+"</div>");
 438         elm.click(function(e){
 439                 t = $(this).attr('title').replace(new RegExp(' \- .*'),'');
 440                 if(typeof(that.element.container) === "undefined") {
 441                         el=$(that.element);
 442                         sel = el.getSelection();
 443                         sel.start = sel.start- that.searchText.length;
 444                         el.setSelection(sel.start,sel.end).replaceSelectedText(t+' ').collapseSelection(false);
 445                         that.close();
 446                 }
 447                 else {
 448                         txt = tinyMCE.activeEditor.getContent();
 449                         //                      alert(that.searchText + ':' + t);
 450                         newtxt = txt.replace('@' + that.searchText,'@' + t +' ');
 451                         tinyMCE.activeEditor.setContent(newtxt);
 452                         tinyMCE.activeEditor.focus();
 453                         that.close();
 454                 }
 455         });
 456         $(this.cont).append(elm);
 457 }
 458
 459 ACPopup.prototype.onkey = function(event){
 460         if (event.keyCode == '13') {
 461                 if(this.idsel>-1) {
 462                         this.cont.children()[this.idsel].click();
 463                         event.preventDefault();
 464                 }
 465                 else
 466                         this.close();
 467         }
 468         if (event.keyCode == '38') { //cursor up
 469                 cmax = this.cont.children().size()-1;
 470                 this.idsel--;
 471                 if (this.idsel<0) this.idsel=cmax;
 472                 event.preventDefault();
 473         }
 474         if (event.keyCode == '40' || event.keyCode == '9') { //cursor down
 475                 cmax = this.cont.children().size()-1;
 476                 this.idsel++;
 477                 if (this.idsel>cmax) this.idsel=0;
 478                 event.preventDefault();
 479         }
 480
 481         if (event.keyCode == '38' || event.keyCode == '40' || event.keyCode == '9') {
 482                 this.cont.children().removeClass('selected');
 483                 $(this.cont.children()[this.idsel]).addClass('selected');
 484         }
 485
 486         if (event.keyCode == '27') { //ESC
 487                 this.close();
 488         }
 489 }
 490