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({taggable: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                 if(typeof desc === 'undefined') desc = '';
  72                 if(desc) desc = ' ('+desc+')';
  73                 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(item.taggable, item.photo, item.name, desc, item.link);
  74         }
  75         else
  76                 return "<div>" + item.text + "</div>";
  77 }
  78
  79 function editor_replace(item) {
  80         if(typeof item.replace !== 'undefined') {
  81                 return '$1$2' + item.replace;
  82         }
  83
  84         // $2 ensures that prefix (@,@!) is preserved
  85         var id = item.id;
  86          // 16 chars of hash should be enough. Full hash could be used if it can be done in a visually appealing way.
  87         // 16 chars is also the minimum length in the backend (otherwise it's interpreted as a local id).
  88         if(id.length > 16)
  89                 id = item.id.substring(0,16);
  90
  91         return '$1$2' + item.nick.replace(' ', '') + '+' + id + ' ';
  92 }
  93
  94 function basic_replace(item) {
  95         if(typeof item.replace !== 'undefined')
  96                 return '$1'+item.replace;
  97
  98         return '$1'+item.name+' ';
  99 }
 100
 101 function trim_replace(item) {
 102         if(typeof item.replace !== 'undefined')
 103                 return '$1'+item.replace;
 104
 105         return '$1'+item.name;
 106 }
 107
 108
 109 function submit_form(e) {
 110         $(e).parents('form').submit();
 111 }
 112
 113 /**
 114  * jQuery plugin 'editor_autocomplete'
 115  */
 116 (function( $ ) {
 117         $.fn.editor_autocomplete = function(backend_url) {
 118
 119                 // list of supported bbtags
 120                 var bbelements = ['b', 'u', 'i', 'img', 'url', 'quote', 'code', 'spoiler', 'audio', 'video', 'youtube', 'map', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 's', 'o', 'list', 'center', 'nosmile', 'vimeo' ];
 121
 122                 // Autocomplete contacts
 123                 contacts = {
 124                         match: /(^|\s)(@\!*)([^ \n]+)$/,
 125                         index: 3,
 126                         search: function(term, callback) { contact_search(term, callback, backend_url, 'c'); },
 127                         replace: editor_replace,
 128                         template: contact_format,
 129                 };
 130
 131                 // Autocomplete smilies e.g. ":like"
 132                 smilies = {
 133                         match: /(^|\s)(:[a-z]{2,})$/,
 134                         index: 2,
 135                         search: function(term, callback) { $.getJSON('smilies/json').done(function(data) { callback($.map(data, function(entry) { return entry.text.indexOf(term) === 0 ? entry : null; })); }); },
 136                         template: function(item) { return item.icon + ' ' + item.text; },
 137                         replace: function(item) { return "$1" + item.text + ' '; },
 138                 };
 139
 140                 // Autocomplete BBTags
 141                 bbtags = {
 142                         match: /\[(\w*)$/,
 143                         index: 1,
 144                         search: function (term, callback) { callback($.map(bbelements, function (element) { return element.indexOf(term) === 0 ? element : null; })); },
 145                         replace: function (element) { return ['[' + element + ']', '[/' + element + ']']; },
 146                 };
 147                 this.attr('autocomplete','off');
 148                 this.textcomplete([contacts,smilies, bbtags], {className:'acpopup', zIndex:1020});
 149         };
 150 })( jQuery );
 151
 152 /**
 153  * jQuery plugin 'search_autocomplete'
 154  */
 155 (function( $ ) {
 156         $.fn.search_autocomplete = function(backend_url) {
 157                 // Autocomplete contacts
 158                 contacts = {
 159                         match: /(^@)([^\n]{2,})$/,
 160                         index: 2,
 161                         search: function(term, callback) { contact_search(term, callback, backend_url, 'x', 'contact'); },
 162                         replace: basic_replace,
 163                         template: contact_format,
 164                 };
 165
 166                 // Autocomplete forum accounts
 167                 community = {
 168                         match: /(^!)([^\n]{2,})$/,
 169                         index: 2,
 170                         search: function(term, callback) { contact_search(term, callback, backend_url, 'x', 'community'); },
 171                         replace: basic_replace,
 172                         template: contact_format,
 173                 };
 174                 this.attr('autocomplete', 'off');
 175                 var a = this.textcomplete([contacts, community], {className:'acpopup', maxCount:100, zIndex: 1020, appendTo:'#nav-search-box'});
 176                 a.on('textComplete:select', function(e, value, strategy) { submit_form(this); });
 177         };
 178 })( jQuery );
 179
 180 (function( $ ) {
 181         $.fn.contact_autocomplete = function(backend_url, typ, autosubmit, onselect) {
 182                 if(typeof typ === 'undefined') typ = '';
 183                 if(typeof autosubmit === 'undefined') autosubmit = false;
 184
 185                 // Autocomplete contacts
 186                 contacts = {
 187                         match: /(^)([^\n]+)$/,
 188                         index: 2,
 189                         search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
 190                         replace: basic_replace,
 191                         template: contact_format,
 192                 };
 193
 194                 this.attr('autocomplete','off');
 195                 var a = this.textcomplete([contacts], {className:'acpopup', zIndex:1020});
 196
 197                 if(autosubmit)
 198                         a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
 199
 200                 if(typeof onselect !== 'undefined')
 201                         a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
 202         };
 203 })( jQuery );
 204
 205
 206 (function( $ ) {
 207         $.fn.name_autocomplete = function(backend_url, typ, autosubmit, onselect) {
 208                 if(typeof typ === 'undefined') typ = '';
 209                 if(typeof autosubmit === 'undefined') autosubmit = false;
 210
 211                 // Autocomplete contacts
 212                 names = {
 213                         match: /(^)([^\n]+)$/,
 214                         index: 2,
 215                         search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
 216                         replace: trim_replace,
 217                         template: contact_format,
 218                 };
 219
 220                 this.attr('autocomplete','off');
 221                 var a = this.textcomplete([names], {className:'acpopup', zIndex:1020});
 222
 223                 if(autosubmit)
 224                         a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
 225
 226                 if(typeof onselect !== 'undefined')
 227                         a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
 228         };
 229 })( jQuery );
 230
 231
 232 /**
 233  * Friendica people autocomplete legacy
 234  * code which is needed for tinymce
 235  *
 236  * require jQuery, jquery.textareas
 237  */
 238
 239 function ACPopup(elm,backend_url){
 240         this.idsel=-1;
 241         this.element = elm;
 242         this.searchText="";
 243         this.ready=true;
 244         this.kp_timer = false;
 245         this.url = backend_url;
 246
 247         this.conversation_id = null;
 248         var conv_id = this.element.id.match(/\d+$/);
 249         if (conv_id) this.conversation_id = conv_id[0];
 250         console.log("ACPopup elm id",this.element.id,"conversation",this.conversation_id);
 251
 252         var w = 530;
 253         var h = 130;
 254
 255
 256         if(tinyMCE.activeEditor == null) {
 257                 style = $(elm).offset();
 258                 w = $(elm).width();
 259                 h = $(elm).height();
 260         }
 261         else {
 262                 // I can't find an "official" way to get the element who get all
 263                 // this fraking thing that is tinyMCE.
 264                 // This code will broke again at some point...
 265                 var container = $(tinyMCE.activeEditor.getContainer()).find("table");
 266                 style = $(container).offset();
 267                 w = $(container).width();
 268                 h = $(container).height();
 269         }
 270
 271         style.top=style.top+h;
 272         style.width = w;
 273         style.position = 'absolute';
 274         /*      style['max-height'] = '150px';
 275                 style.border = '1px solid red';
 276                 style.background = '#cccccc';
 277
 278                 style.overflow = 'auto';
 279                 style['z-index'] = '100000';
 280         */
 281         style.display = 'none';
 282
 283         this.cont = $("<div class='acpopup-mce'></div>");
 284         this.cont.css(style);
 285
 286         $("body").append(this.cont);
 287     }
 288
 289 ACPopup.prototype.close = function(){
 290         $(this.cont).remove();
 291         this.ready=false;
 292 }
 293 ACPopup.prototype.search = function(text){
 294         var that = this;
 295         this.searchText=text;
 296         if (this.kp_timer) clearTimeout(this.kp_timer);
 297         this.kp_timer = setTimeout( function(){that._search();}, 500);
 298 }
 299
 300 ACPopup.prototype._search = function(){
 301         console.log("_search");
 302         var that = this;
 303         var postdata = {
 304                 start:0,
 305                 count:100,
 306                 search:this.searchText,
 307                 type:'c',
 308                 conversation: this.conversation_id,
 309         }
 310
 311         $.ajax({
 312                 type:'POST',
 313                 url: this.url,
 314                 data: postdata,
 315                 dataType: 'json',
 316                 success:function(data){
 317                         that.cont.html("");
 318                         if (data.tot>0){
 319                                 that.cont.show();
 320                                 $(data.items).each(function(){
 321                                         var html = "<img src='{0}' height='16px' width='16px'>{1} ({2})".format(this.photo, this.name, this.nick);
 322                                         var nick = this.nick.replace(' ','');
 323                                         if (this.id!=='')  nick += '+' + this.id;
 324                                         that.add(html, nick + ' - ' + this.link);
 325                                 });
 326                         } else {
 327                                 that.cont.hide();
 328                         }
 329                 }
 330         });
 331
 332 }
 333
 334 ACPopup.prototype.add = function(label, value){
 335         var that=this;
 336         var elm = $("<div class='acpopupitem' title='"+value+"'>"+label+"</div>");
 337         elm.click(function(e){
 338                 t = $(this).attr('title').replace(new RegExp(' \- .*'),'');
 339                 if(typeof(that.element.container) === "undefined") {
 340                         el=$(that.element);
 341                         sel = el.getSelection();
 342                         sel.start = sel.start- that.searchText.length;
 343                         el.setSelection(sel.start,sel.end).replaceSelectedText(t+' ').collapseSelection(false);
 344                         that.close();
 345                 }
 346                 else {
 347                         txt = tinyMCE.activeEditor.getContent();
 348                         //                      alert(that.searchText + ':' + t);
 349                         newtxt = txt.replace('@' + that.searchText,'@' + t +' ');
 350                         tinyMCE.activeEditor.setContent(newtxt);
 351                         tinyMCE.activeEditor.focus();
 352                         that.close();
 353                 }
 354         });
 355         $(this.cont).append(elm);
 356 }
 357
 358 ACPopup.prototype.onkey = function(event){
 359         if (event.keyCode == '13') {
 360                 if(this.idsel>-1) {
 361                         this.cont.children()[this.idsel].click();
 362                         event.preventDefault();
 363                 }
 364                 else
 365                         this.close();
 366         }
 367         if (event.keyCode == '38') { //cursor up
 368                 cmax = this.cont.children().size()-1;
 369                 this.idsel--;
 370                 if (this.idsel<0) this.idsel=cmax;
 371                 event.preventDefault();
 372         }
 373         if (event.keyCode == '40' || event.keyCode == '9') { //cursor down
 374                 cmax = this.cont.children().size()-1;
 375                 this.idsel++;
 376                 if (this.idsel>cmax) this.idsel=0;
 377                 event.preventDefault();
 378         }
 379
 380         if (event.keyCode == '38' || event.keyCode == '40' || event.keyCode == '9') {
 381                 this.cont.children().removeClass('selected');
 382                 $(this.cont.children()[this.idsel]).addClass('selected');
 383         }
 384
 385         if (event.keyCode == '27') { //ESC
 386                 this.close();
 387         }
 388 }
 389