js/ajatus.tags.js

   1 /*
   2  * This file is part of
   3  *
   4  * Ajatus - Distributed CRM
   5  * @requires jQuery v1.2.1
   6  *
   7  * Copyright (c) 2007 Jerry Jalava <jerry.jalava@gmail.com>
   8  * Copyright (c) 2007 Nemein Oy <http://nemein.com>
   9  * Website: http://ajatus.info
  10  * Licensed under the GPL license
  11  * http://www.gnu.org/licenses/gpl.html
  12  *
  13  */
  14
  15 (function($){
  16     $.ajatus = $.ajatus || {};
  17
  18     /**
  19      * Holds all tag methods
  20      * @accessor {String} cache Holds all cached tag names
  21      * @accessor {String} active Currently active tag name
  22      * @constructor
  23      */
  24     $.ajatus.tags = {
  25         cache: [],
  26         used_contexts: [],
  27         active: ''
  28     };
  29     $.extend($.ajatus.tags, {
  30
  31         /**
  32          * Initializes the tags
  33          * @see ajatus.core.init
  34          * @see ajatus.tags.load
  35          * @see ajatus.tags.update_tag_list
  36          */
  37         init: function() {
  38             $.ajatus.events.lock_pool.increase();
  39             $.ajatus.tags.load();
  40             $.ajatus.events.lock_pool.decrease();
  41             $.ajatus.tags.update_app_tag_list();
  42         },
  43         load: function() {
  44             $.ajatus.tags.used_contexts = [];
  45             $.ajatus.tags.cache = [];
  46
  47             var on_success = function(data) {
  48                 if (data.total_rows <= 0) {
  49                     return false;
  50                 }
  51
  52                 $.each(data.rows, function(i,n){
  53                     if (   typeof(n.value.title.widget.config['context']) != 'undefined'
  54                         && n.value.title.widget.config['context'] != '')
  55                     {
  56                         var found = $.inArray(n.value.title.widget.config['context'], $.ajatus.tags.used_contexts);
  57                         if (found == -1) {
  58                             $.ajatus.tags.used_contexts.push(n.value.title.widget.config['context']);
  59                         }
  60                     }
  61                     $.ajatus.tags.cache.push(n);
  62                 });
  63
  64                 return data;
  65             };
  66
  67             $.jqCouch.connection('view', on_success).temp($.ajatus.preferences.client.tags_database, function(doc){
  68                 if (   doc.value.metadata.archived.val == ""
  69                     && doc.value.metadata.deleted.val != 1)
  70                 {
  71                     map(doc._id, doc.value);
  72                 }
  73             });
  74         },
  75         refresh_cache: function() {
  76             $.ajatus.tags.load();
  77             $.ajatus.tags.update_cache();
  78         },
  79         update_cache: function() {
  80             $.ajatus.tags.update_app_tag_list();
  81             if ($.ajatus.tags.active != '') {
  82                 $.ajatus.tags.set_active($.ajatus.tags.active);
  83             }
  84         },
  85         set_active: function(tag) {
  86             var select = $('#application-tags select');
  87             $('option', select).each(function(i,o){
  88                 if (o.value == tag) {
  89                     o.selected = 'selected';
  90                 }
  91             });
  92             $.ajatus.tags.active = tag;
  93         },
  94         update_app_tag_list: function() {
  95             var select = $('#application-tags select');
  96             select.html('');
  97
  98             var opt_groups = {};
  99             var def_opt_grp = $('<optgroup label="' + $.ajatus.i10n.get('No context') + '" />');
 100             def_opt_grp.appendTo(select);
 101
 102             $.each($.ajatus.tags.used_contexts, function(i){
 103                 var opt_grp = $('<optgroup label="' + this + '" />');
 104                 opt_grp.prependTo(select);
 105                 opt_groups[this] = opt_grp;
 106             });
 107
 108             $.each($.ajatus.tags.cache, function(i){
 109                 var opt = $('<option>'+this.value.title.val+'</option>').attr({
 110                     value: this.id
 111                 });
 112
 113                 if (   typeof(this.value.title.widget.config['context']) != 'undefined'
 114                     && this.value.title.widget.config['context'] != '')
 115                 {
 116                     var context = this.value.title.widget.config.context;
 117                     opt.appendTo(opt_groups[context]);
 118                 } else {
 119                     opt.appendTo(def_opt_grp);
 120                 }
 121             });
 122
 123             var def = $('<option />').attr({
 124                 value: '',
 125                 selected: 'selected'
 126             }).html($.ajatus.i10n.get('Global Tag') + '&nbsp;');
 127             def.prependTo(select);
 128             select.bind('change', function(e){
 129                 $.ajatus.tags.set_active(e.currentTarget.value);
 130             });
 131         },
 132         search: function(query, context, max_res) {
 133             // console.log("Search tags with: "+query);
 134
 135             var results = [];
 136             var context_key = false;
 137
 138             if (typeof max_res != 'number') {
 139                 max_res = 20;
 140             }
 141
 142             query = $.ajatus.tags._prepare_query(query);
 143
 144             var on_success = function(data) {
 145                 if (data.total_rows == 0) {
 146                     return [];
 147                 }
 148
 149                 $.each(data.rows, function(i,n){
 150                     var doc = new $.ajatus.document(n);
 151                     results.push(doc);
 152                 });
 153
 154                 return data;
 155             };
 156
 157             var rel_view = 'if (doc.value.title.val.match(/\\\\b'+query+'(.*?)\\\\b/) ';
 158             if (   typeof context != 'undefined'
 159                 && context != '')
 160             {
 161                 rel_view += '&& typeof(doc.value.title.widget.config["context"]) != "undefined" ';
 162                 rel_view += '&& doc.value.title.widget.config.context == "+context+" ';
 163             }
 164             rel_view += '&& doc.value.metadata.archived.val == "" && doc.value.metadata.deleted.val != 1){';
 165             rel_view += 'map( doc._id, doc.value );}';
 166
 167             $.jqCouch.connection('view', on_success).temp($.ajatus.preferences.client.tags_database,
 168                 "$.ajatus.views.generate('"+rel_view+"')", {
 169                     count: max_res
 170                 }
 171             );
 172
 173             return results;
 174         },
 175         search_cache: function(query, context, max_res) {
 176             // console.log("Search tags cache with: "+query);
 177
 178             var results = [];
 179             query = $.ajatus.tags._prepare_query(query);
 180             var re = new RegExp("\\b"+query+"(.*?)\\b");
 181
 182             $.each($.ajatus.tags.cache, function(i, tag){
 183                 if (tag.id.toString().match(re)) {
 184                     if (   typeof context != 'undefined'
 185                         && context != '')
 186                     {
 187                         if (   typeof(tag.value.title.widget.config['context']) != 'undefined'
 188                             && tag.value.title.widget.config['context'] == context)
 189                         {
 190                             results.push(tag);
 191                         }
 192                     } else {
 193                         results.push(tag);
 194                     }
 195                 }
 196             });
 197
 198             return results;
 199         },
 200         _prepare_query: function(query) {
 201             query = query.replace(/[\(|\)|\.|\?|\;|\/]/, '');
 202             query = query.replace('\\', '');
 203             query = query.replace('*', '(.*?)');
 204
 205             return query;
 206         },
 207         get: function(tag, rev, skip_cache, callback) {
 208             var result = false;
 209             if (typeof skip_cache == 'undefined') {
 210                 var skip_cache = false;
 211             }
 212
 213             if (   typeof rev == 'undefined'
 214                 && !skip_cache)
 215             {
 216                 $.each($.ajatus.tags.cache, function(i,t){
 217                     if (t.id == tag) {
 218                         result = t;
 219                     }
 220                 });
 221
 222                 if (result) {
 223                     return result;
 224                 }
 225             }
 226
 227             var on_success = function(data) {
 228                 var doc = new $.ajatus.document(data);
 229                 result = doc;
 230
 231                 if (typeof callback == 'function') {
 232                     var fn = eval('('+callback+')');
 233                     fn.apply(fn, [result]);
 234                 }
 235
 236                 return data;
 237             };
 238
 239             var args = {};
 240             if (typeof rev != 'undefined') {
 241                 args['_rev'] = rev;
 242             }
 243
 244             $.jqCouch.connection('doc', on_success).get($.ajatus.preferences.client.tags_database + '/' + tag, args);
 245
 246             return result;
 247         },
 248         exists: function(tag) {
 249             var tag_ids = [];
 250             $.each($.ajatus.tags.cache, function(i,t){
 251                 tag_ids.push(t.id);
 252             });
 253             var found = $.inArray(tag, tag_ids);
 254             if (found != -1) {
 255                 return true;
 256             }
 257             return false;
 258         },
 259         create: function(name, context, dc) {
 260
 261             if ($.ajatus.tags.exists(name)) {
 262                 return false;
 263             }
 264
 265             if (typeof dc == 'undefined') {
 266                 var on_success = function(data) {
 267                     if (data.ok) {
 268                         var msg = $.ajatus.elements.messages.create(
 269                             'New tag created',
 270                             'Created new tag "'+data.id+'".'
 271                         );
 272
 273                         $.ajatus.debug("saved tag: "+data.id);
 274
 275                         var tag = $.ajatus.tags.get(data.id, data.rev, true);
 276                         $.ajatus.tags.cache.push(tag);
 277                     }
 278
 279                     return data;
 280                 };
 281
 282                 var dc = $.jqCouch.connection('doc', on_success);
 283                 $.ajatus.views.on_change_actions.add('$.ajatus.tags.update_cache();');
 284             }
 285
 286             var tag = {
 287                 _id: name,
 288                 value: {
 289                     _type: 'tag',
 290                     title: {
 291                         val: name,
 292                         widget: {
 293                             name: 'tag',
 294                             config: {
 295                                 color: '8596b6',
 296                                 context: (context || '')
 297                             }
 298                         }
 299                     }
 300                 }
 301             };
 302             tag = new $.ajatus.document(tag);
 303
 304             var now = $.ajatus.formatter.date.js_to_iso8601(new Date());
 305             var new_metadata = {
 306                 created: now,
 307                 creator: $.ajatus.preferences.local.user.email,
 308                 revised: now,
 309                 revisor: $.ajatus.preferences.local.user.email
 310             };
 311             tag = $.ajatus.document.modify_metadata(tag, new_metadata);
 312             dc.save($.ajatus.preferences.client.tags_database, tag);
 313
 314             return true;
 315         },
 316         remove: function(tag, dc) {
 317             if (typeof dc == 'undefined') {
 318                 var on_success = function(data) {
 319                     var msg = $.ajatus.elements.messages.create(
 320                         $.ajatus.i10n.get('Object deleted'),
 321                         $.ajatus.i10n.get('Tag %s removed from Ajatus.', [tag])
 322                     );
 323                 };
 324                 var dc = $.jqCouch.connection('doc', on_success);
 325             }
 326
 327             dc.del($.ajatus.preferences.client.tags_database + '/' + tag);
 328         },
 329         related: function(tags, skip_docs) {
 330             var related = [];
 331
 332             if (typeof skip_docs != 'object') {
 333                 var skip_docs = [];
 334             }
 335
 336             var on_success = function(data) {
 337                 if (data.total_rows == 0) {
 338                     return;
 339                 }
 340
 341                 $.each(data.rows, function(i,n){
 342                     if ($.ajatus.utils.array.has_match(tags, n.value.tags.val)) {
 343                         if (skip_docs.length > 0) {
 344                             if ($.inArray(n.id, skip_docs) == -1) {
 345                                 var doc = new $.ajatus.document(n);
 346                                 related.push(doc);
 347                             }
 348                         } else {
 349                             var doc = new $.ajatus.document(n);
 350                             related.push(doc);
 351                         }
 352                     }
 353                 });
 354
 355                 return data;
 356             };
 357
 358             var rel_view = 'if (typeof(doc.value.tags) != "undefined" && doc.value.tags.val.length > 0 ';
 359             rel_view += '&& doc.value.metadata.archived.val == "" && doc.value.metadata.deleted.val != 1){';
 360             rel_view += 'map( doc.value._type, {"_id": doc._id, "_rev": doc._rev, "_type": doc.value._type,';
 361             rel_view += '"title": doc.value.title,';
 362
 363             $.each($.ajatus.preferences.client.content_types, function(key,type){
 364                 if (type['title_item']) {
 365                     $.each(type['title_item'], function(i,part){
 366                         if (type.schema[part]) {
 367                             rel_view += '"'+part+'": doc.value.'+part+',';
 368                         }
 369                     });
 370                 }
 371             });
 372
 373             rel_view += '"tags": doc.value.tags })}';
 374
 375             $.jqCouch.connection('view', on_success).temp($.ajatus.preferences.client.content_database, "$.ajatus.views.generate('"+rel_view+"')");
 376
 377             return related;
 378         }
 379     });
 380
 381 })(jQuery);