plugins/resources_selected/static/js/resources_selected.js

   1 /**
   2  * MySlice ResourcesSelected plugin
   3  * Version: 0.1.0
   4  * URL: http://www.myslice.info
   5  * Description: display of selected resources
   6  * Requires:
   7  * Author: The MySlice Team
   8  * Copyright: Copyright 2012 UPMC Sorbonne Universités
   9  * License: GPLv3
  10  */
  11
  12 (function( $ ){
  13
  14     // XXX record selected (multiple selection ?)
  15     // XXX record disabled ?
  16     // XXX out of sync plugin ?
  17     // XXX out of date record ?
  18     // record tags ???
  19     //
  20     // criticality of the absence of a handler in a plugin
  21     // non-critical only can have switch case
  22     //
  23     // Record state through the query cycle
  24
  25
  26     var ResourcesSelected = Plugin.extend({
  27
  28         init: function(options, element)
  29         {
  30             this._super(options, element);
  31
  32             var self = this;
  33             this.table = this.el('table').dataTable({
  34                 //sPaginationType: 'full_numbers',  // Use pagination
  35                 sPaginationType: 'bootstrap',
  36                 //bJQueryUI      : true,
  37                 //bRetrieve      : true,
  38                 sScrollX       : '100%',                 // Horizontal scrolling
  39                 bSortClasses   : false,              // Disable style for the sorted column
  40                 aaSorting      : [[ 0, 'asc' ]],        // Default sorting on URN
  41                 fnDrawCallback: function() {      // Reassociate close click every time the table is redrawn
  42                     /* Prevent to loop on click while redrawing table  */
  43                     $('.ResourceSelectedClose').unbind('click');
  44                     /* Handle clicks on close span */
  45                     /* Reassociate close click every time the table is redrawn */
  46                     $('.ResourceSelectedClose').bind('click', self, self._close_click);
  47                 }
  48              });
  49
  50             // XXX This should not be done at init...
  51             this.el('update').click(this, this.do_update);
  52             this.el('refresh').click(this, this.do_refresh);
  53             this.el('reset').click(this, this.do_reset);
  54             this.el('clear_annotations').click(this, this.do_clear_annotations);
  55
  56             this.listen_query(options.query_uuid);
  57         },
  58
  59         /*************************** PLUGIN EVENTS ****************************/
  60
  61         /***************************** GUI EVENTS *****************************/
  62
  63         do_update: function(e)
  64         {
  65             var self = e.data;
  66             // XXX check that the query is not disabled
  67             manifold.raise_event(self.options.query_uuid, RUN_UPDATE);
  68         },
  69
  70         do_refresh: function(e)
  71         {
  72             throw 'Not implemented';
  73         },
  74
  75         do_reset: function(e)
  76         {
  77             throw 'Not implemented';
  78         },
  79
  80         do_clear_annotations: function(e)
  81         {
  82             throw 'Not implemented';
  83         },
  84
  85         /************************** GUI MANIPULATION **************************/
  86
  87
  88         set_button_state: function(name, state)
  89         {
  90             this.el(name).attr('disabled', state ? false : 'disabled');
  91         },
  92
  93         clear: function()
  94         {
  95
  96         },
  97
  98         find_row: function(key)
  99         {
 100             // key in third position, column id = 2
 101             var KEY_POS = 2;
 102
 103             var cols = $.grep(this.table.fnSettings().aoData, function(col) {
 104                 return (col._aData[KEY_POS] == key);
 105             } );
 106
 107             if (cols.length == 0)
 108                 return null;
 109             if (cols.length > 1)
 110                 throw "Too many same-key rows in ResourceSelected plugin";
 111
 112             return cols[0];
 113         },
 114
 115         set_state: function(data)
 116         {
 117             var action;
 118             var msg;
 119             var button = '';
 120
 121             var row;
 122
 123             if (data.request == FIELD_REQUEST_RESET) {
 124                 // find line
 125                 // delete it
 126             }
 127
 128             switch(data.request) {
 129                 case FIELD_REQUEST_CHANGE:
 130                     action = 'UPDATE';
 131                     break;
 132                 case FIELD_REQUEST_ADD:
 133                     action = 'ADD';
 134                     break;
 135                 case FIELD_REQUEST_REMOVE:
 136                     action = 'REMOVE';
 137                     break;
 138             }
 139
 140             switch(data.status) {
 141                 case FIELD_REQUEST_PENDING:
 142                     msg   = 'PENDING';
 143                     button = "<span class='ui-icon ui-icon-close ResourceSelectedClose' id='" + data.key + "'/>";
 144                     break;
 145                 case FIELD_REQUEST_SUCCESS:
 146                     msg   = 'SUCCESS';
 147                     break;
 148                 case FIELD_REQUEST_FAILURE:
 149                     msg   = 'FAILURE';
 150                     break;
 151             }
 152
 153             var status = msg + status;
 154
 155             // find line
 156             // if no, create it, else replace it
 157             // XXX it's not just about adding lines, but sometimes removing some
 158             // XXX how do we handle status reset ?
 159             row = this.find_row(data.value);
 160             newline = [
 161                 action,
 162                 data.key,
 163                 data.value,
 164                 msg,
 165                 button
 166             ];
 167             if (!row) {
 168                 // XXX second parameter refresh = false can improve performance. todo in hazelnut also
 169                 this.table.fnAddData(newline);
 170                 row = this.find_row(data.value);
 171             } else {
 172                 // Update row text...
 173                 this.table.fnUpdate(newline, row.nTr);
 174             }
 175
 176             // Change cell color according to status
 177             if (row) {
 178                 $(row.nTr).removeClass('add remove')
 179                 var cls = action.toLowerCase();
 180                 if (cls)
 181                     $(row.nTr).addClass(cls);
 182             }
 183         },
 184
 185         /*************************** QUERY HANDLER ****************************/
 186
 187         // NONE
 188
 189         /*************************** RECORD HANDLER ***************************/
 190
 191         on_new_record: function(record)
 192         {
 193             // if (not and update) {
 194
 195                 // initial['resource'], initial['lease'] ?
 196                 this.initial.push(record.urn);
 197
 198                 // We simply add to the table
 199             // } else {
 200                 //                 \ this.initial_resources
 201                 //                  \
 202                 // this.             \
 203                 // current_resources  \    YES    |   NO
 204                 // --------------------+----------+---------
 205                 //       YES           | attached | added
 206                 //       NO            | removed  |   /
 207                 //
 208
 209             // }
 210         },
 211
 212         // QUERY STATUS
 213         //                                      +-----------------+--------------+
 214         //                                      v        R        |              |
 215         // +-------+  ?G    +-------+        +-------+        +---+---+          |
 216         // |       | -----> |       |  !G    |       |        |       |    DA    |
 217         // |  ND   |        |  PG   | -----> |   D   | -----> |  PC   | <------+ |
 218         // |       | <----- |       |  ~G    |       |   C    |       |        | |
 219         // +-------+   GE   +-------+        +-------+        +-------+      +------+
 220         //                                       ^              ^  |         |      |
 221         //                                       | DA        UE |  | ?U      | PCA  |
 222         //                                       |              |  v         |      |
 223         //                                   +-------+        +-------+      +------+
 224         //                                   |       |   !U   |       |         ^
 225         //                                   |  AD   | <----- |  PU   | --------+
 226         //                                   |       |        |       |   ~U
 227         //                                   +-------+        +-------+
 228         //
 229         //
 230         // LEGEND:
 231         //
 232         // Plugins (i) receive state information, (ii) perform actions
 233         //
 234         // States:                                  Actions:
 235         // ND : No data                             ?G : Get query
 236         // PG : Pending Get                         !G : Get reply
 237         //  D : Data present                        ~G : Get partial reply
 238         // PC : Pending changes                     GE : Get error
 239         // PU : Pending update                       C : Change request
 240         // PCA: Pending change with annotation       R : Reset request
 241         // AD : Annotated data                      ?U : Update query
 242         //                                          !U : Update reply
 243         //                                          ~U : Update partial reply
 244         //                                          UE : Update error
 245         //                                          DA : Delete annotation request
 246         // NOTE:
 247         // - D -> PU directly if the user chooses 'dynamic update'
 248         // - Be careful for updates if partial Get success
 249
 250         // ND: No data == initialization state
 251
 252         // PG : Pending get
 253         // - on_query_in_progress
 254         // NOTE: cannot distinguish get and update here. Is it important ?
 255
 256         on_query_in_progress: function()
 257         {
 258             this.spin();
 259         },
 260
 261         // D : Data present
 262         // - on_clear_records (Get)
 263         // - on_new_record (shared with AD) XXX
 264         // - on_query_done
 265         // NOTE: cannot distinguish get and update here. Is it important ?
 266         // NOTE: Would record key be sufficient for update ?
 267
 268         on_clear_records: function()
 269         {
 270             this.clear();
 271         },
 272
 273         on_new_record: function(record)
 274         {
 275         },
 276
 277         on_query_done: function()
 278         {
 279             this.unspin();
 280         },
 281
 282         // PC : Pending changes
 283         // NOTE: record_key could be sufficient
 284         on_added_record: function(record)
 285         {
 286             this.set_record_state(record, RECORD_STATE_ADDED);
 287         },
 288
 289         on_removed_record: function(record_key)
 290         {
 291             this.set_record_state(RECORD_STATE_REMOVED);
 292         },
 293
 294         // PU : Pending update
 295         // - on_query_in_progress (already done)
 296
 297         // PCA : Pending change with annotation
 298         // NOTE: Manifold will inform the plugin about updates, and thus won't
 299         // call new record, even if the same channel UUID is used...
 300         // - TODO on_updated_record
 301         // - Key and confirmation could be sufficient, or key and record state
 302         // XXX move record state to the manifold plugin API
 303
 304         on_field_state_changed: function(request, key, value, status)
 305         {
 306             this.set_state(request, key, value, status);
 307         },
 308
 309         // XXX we will have the requests for change
 310         // XXX + the requests to move into the query cycle = the buttons aforementioned
 311
 312         // XXX what happens in case of updates ? not implemented yet
 313         // XXX we want resources and leases
 314         // listen for SET_ADD and SET_REMOVE for slice query
 315
 316         /************************** PRIVATE METHODS ***************************/
 317
 318         _close_click: function(e)
 319         {
 320             var self = e.data;
 321
 322             //jQuery.publish('selected', 'add/'+key_value);
 323             // this.parentNode is <td> this.parentNode.parentNode is <tr>
 324             // this.parentNode.parentNode.firstChild is the first cell <td> of this line <tr>
 325             // this.parentNode.parentNode.firstChild.firstChild is the text in that cell
 326             //var firstCellVal=this.parentNode.parentNode.firstChild.firstChild.data;
 327             var remove_urn = this.id;
 328             var current_resources = event.data.instance.current_resources;
 329             var list_resources = $.grep(current_resources, function(x) {return x.urn != remove_urn});
 330             //jQuery.publish('selected', 'cancel/'+this.id+'/'+get_value(firstCellVal));
 331             $.publish('/update-set/' + event.data.instance.options.resource_query_uuid, [list_resources, true]);
 332         },
 333
 334         /******************************** TODO ********************************/
 335
 336         update_resources: function(resources, change)
 337         {
 338             console.log("update_resources");
 339             var my_oTable = this.table.dataTable();
 340             var prev_resources = this.current_resources;
 341
 342             /*
 343              * The first time the query is advertised, don't do anything.  The
 344              * component will learn nodes in the slice through the manifest
 345              * received through the other subscription
 346              */
 347              if (!change)
 348                 return;
 349              // ioi: Refubrished
 350              var initial = this.initial_resources;
 351              //var r_removed  = []; //
 352              /*-----------------------------------------------------------------------
 353                 TODO: remove this dirty hack !!!
 354              */
 355              resources = jQuery.map(resources, function(x){
 356                 if(!('timeslot' in x)){x.timeslot=0;}
 357                 return x;
 358              });
 359              /*
 360                 TODO: handle generic keys instead of specific stuff
 361                       ex: urn
 362                           urn-lease
 363              */
 364              var initial_urn = $.map(initial, function(x){return x.urn;});
 365              var resources_urn = $.map(resources, function(x){return x.urn;});
 366              var r_removed = $.grep(initial, function (x) { return $.inArray(x.urn, resources_urn) == -1 });
 367              var r_attached = $.grep(initial, function (x) { return $.inArray(x.urn, resources_urn) > -1 });
 368              var r_added = $.grep(resources, function (x) { return $.inArray(x.urn, initial_urn) == -1 });
 369              exists = false; // ioi
 370              /*-----------------------------------------------------------------------*/
 371
 372              my_oTable.fnClearTable();
 373              /*
 374                 TODO: factorization of this code !!!
 375              */
 376              $.each(r_added, function(i, r) {
 377                 //var type = (typeof initial == 'undefined' || r.node != initial.node) ? 'add' : 'attached';
 378                 var type = 'add';
 379                 // Create the resource objects
 380                 // ioi: refubrished
 381                 var urn = r.urn;
 382                 time = r.timeslot;
 383
 384                 var SPAN = "<span class='ui-icon ui-icon-close ResourceSelectedClose' id='"+urn+"'/>";
 385                 var slot = "<span id='resource_"+urn+"'>" + time + "</span>"; //ioi
 386                 // ioi
 387                 var newline=Array();
 388                 newline.push(type, urn, slot, SPAN); // ioi
 389                 var line = my_oTable.fnAddData(newline);
 390                 var nTr = my_oTable.fnSettings().aoData[ line[0] ].nTr;
 391                 nTr.className = type;
 392              });
 393              $.each(r_attached, function(i, r) {
 394                 //var type = (typeof initial == 'undefined' || r.node != initial.node) ? 'add' : 'attached';
 395                 var type = 'attached';
 396                 // Create the resource objects
 397                 // ioi: refubrished
 398                 var node = r.urn;
 399                 time = r.timeslot;
 400
 401                 var SPAN = "<span class='ui-icon ui-icon-close ResourceSelectedClose' id='"+node+"'/>";
 402                 var slot = "<span id='resource_"+node+"'>" + time + "</span>"; //ioi
 403                 // ioi
 404                 var newline=Array();
 405                 newline.push(type, node, slot, SPAN); // ioi
 406                 var line = my_oTable.fnAddData(newline);
 407                 var nTr = my_oTable.fnSettings().aoData[ line[0] ].nTr;
 408                 nTr.className = type;
 409              });
 410              $.each(r_removed, function(i, r) {
 411                 // The list contains objects
 412                 // ioi: refubrished
 413                 var node = r.urn;
 414                 var time = r.timeslot;
 415
 416                 var SPAN = "<span class='ui-icon ui-icon-close ResourceSelectedClose' id='"+node+"'/>";
 417                 var slot = "<span id='resource_"+node+"'>" + time + "</span>";
 418                 // ioi
 419                 var newline=Array();
 420                 newline.push('remove', node, slot, SPAN); // ioi
 421                 var line = my_oTable.fnAddData(newline);
 422                 var nTr = my_oTable.fnSettings().aoData[ line[0] ].nTr;
 423                 nTr.className = 'remove';
 424              });
 425
 426              this.current_resources = $.merge(r_attached,r_added);
 427
 428              /* Allow the user to update the slice */
 429              //jQuery('#updateslice-' + data.ResourceSelected.plugin_uuid).prop('disabled', false);
 430
 431         }, // update_resources
 432
 433     });
 434
 435     $.plugin('ResourcesSelected', ResourcesSelected);
 436
 437 })(jQuery);