2 * Description: display a query result in a datatables-powered <table>
3 * Copyright (c) 2012-2013 UPMC Sorbonne Universite - INRIA
14 var QueryTable = Plugin.extend({
16 init: function(options, element) {
17 this._super(options, element);
19 /* Member variables */
20 // in general we expect 2 queries here
21 // query_uuid refers to a single object (typically a slice)
22 // query_all_uuid refers to a list (typically resources or users)
23 // these can return in any order so we keep track of which has been received yet
24 this.received_all_query = false;
25 this.received_query = false;
27 // // We need to remember the active filter for datatables filtering
28 // this.filters = Array();
30 // an internal buffer for records that are 'in' and thus need to be checked
31 this.buffered_records_to_check = [];
34 // this.$element.on('show.Datatables', this.on_show);
35 this.elmt().on('show', this, this.on_show);
36 // Unbind all events using namespacing
38 // $(window).unbind('QueryTable');
40 var query = manifold.query_store.find_analyzed_query(this.options.query_uuid);
41 this.method = query.object;
43 // xxx beware that this.key needs to contain a key that all records will have
44 // in general query_all will return well populated records, but query
45 // returns records with only the fields displayed on startup.
46 this.key = (this.options.id_key);
48 // if not specified by caller, decide from metadata
49 var keys = manifold.metadata.get_key(this.method);
50 this.key = (keys && keys.length == 1) ? keys[0] : null;
52 if (! this.key) messages.warning("querytable.init could not kind valid key");
54 if (debug) messages.debug("querytable: key="+this.key);
56 /* Setup query and record handlers */
57 this.listen_query(options.query_uuid);
58 this.listen_query(options.query_all_uuid, 'all');
60 /* GUI setup and event binding */
61 this.initialize_table();
66 on_show: function(e) {
68 self.table.fnAdjustColumnSizing()
73 /* GUI MANIPULATION */
75 initialize_table: function() {
76 // compute columns based on columns and hidden_columns
77 this.slick_columns = [];
78 var all_columns = this.options.columns; // .concat(this.options.hidden_columns)
79 // xxx would be helpful to support a column_renamings options arg
80 // for redefining some labels like 'network_hrn' that really are not meaningful
81 for (c in all_columns) {
82 var column=all_columns[c];
83 this.slick_columns.push ( {id:column, name:column, field:column,
84 cssClass: "querytable-column-"+column,
85 width:100, minWidth:40, });
88 // xxx should be extensible from caller with this.options.slickgrid_options
89 this.slick_options = {
90 enableCellNavigation: false,
91 enableColumnReorder: true,
95 this.slick_dataview = new Slick.Data.DataView();
97 this.slick_dataview.onRowCountChanged.subscribe ( function (e,args) {
98 self.slick_grid.updateRowCount();
99 self.slick_grid.autosizeColumns();
100 self.slick_grid.render();
103 var selector="#grid-"+this.options.domid;
105 messages.debug("slick grid selector is " + selector);
106 for (c in this.slick_columns) {
107 var col=this.slick_columns[c];
109 for (k in col) msg = msg+" col["+k+"]="+col[k];
110 messages.debug("slick_column["+c+"]:"+msg);
113 // add a checkbox column
114 var checkbox_selector = new Slick.CheckboxSelectColumn({
115 cssClass: "slick-cell-checkboxsel"
117 this.slick_columns.push(checkbox_selector.getColumnDefinition());
118 this.slick_grid = new Slick.Grid(selector, this.slick_dataview, this.slick_columns, this.slick_options);
119 this.slick_grid.setSelectionModel (new Slick.RowSelectionModel ({selectActiveRow: false}));
120 this.slick_grid.registerPlugin (checkbox_selector);
121 // autotooltips: for showing the full column name when ellipsed
122 var auto_tooltips = new Slick.AutoTooltips ({ enableForHeaderCells: true });
123 this.slick_grid.registerPlugin (auto_tooltips);
125 this.columnpicker = new Slick.Controls.ColumnPicker (this.slick_columns, this.slick_grid, this.slick_options)
127 }, // initialize_table
129 // Determine index of key in the table columns
130 getColIndex: function(key, cols) {
131 var tabIndex = $.map(cols, function(x, i) { if (x.sTitle == key) return i; });
132 return (tabIndex.length > 0) ? tabIndex[0] : -1;
135 checkbox_html : function (key, value) {
136 if (debug_deep) messages.debug("checkbox_html, value="+value);
138 // Prefix id with plugin_uuid
140 result += " class='querytable-checkbox'";
141 result += " id='" + this.flat_id(this.id('checkbox', value)) + "'";
142 result += " name='" + key + "'";
143 result += " type='checkbox'";
144 result += " autocomplete='off'";
145 if (value === undefined) {
146 messages.warning("querytable.checkbox_html - undefined value");
148 result += " value='" + value + "'";
150 result += "></input>";
154 new_record: function(record) {
155 // xxx having a field named 'id' is a requirement from dataview
156 record['id']=record[this.key];
157 this.slick_data.push(record);
160 clear_table: function() {
161 console.log("clear_table not implemented");
164 redraw_table: function() {
168 show_column: function(field) {
169 var oSettings = this.table.fnSettings();
170 var cols = oSettings.aoColumns;
171 var index = this.getColIndex(field,cols);
173 this.table.fnSetColumnVis(index, true);
176 hide_column: function(field) {
177 console.log("hide_column not implemented - field="+field);
180 set_checkbox: function(record, checked) {
181 console.log("set_checkbox not yet implemented with slickgrid");
183 /* Default: checked = true */
184 if (checked === undefined) checked = true;
187 /* The function accepts both records and their key */
188 switch (manifold.get_type(record)) {
193 /* XXX Test the key before ? */
194 id = record[this.key];
197 throw "Not implemented";
202 if (id === undefined) {
203 messages.warning("querytable.set_checkbox record has no id to figure which line to tick");
206 var checkbox_id = this.flat_id(this.id('checkbox', id));
207 // function escape_id(myid) is defined in portal/static/js/common.functions.js
208 checkbox_id = escape_id(checkbox_id);
209 // using dataTables's $ to search also in nodes that are not currently displayed
210 var element = this.table.$(checkbox_id);
212 messages.debug("set_checkbox checked=" + checked
213 + " id=" + checkbox_id + " matches=" + element.length);
214 element.attr('checked', checked);
217 /*************************** QUERY HANDLER ****************************/
219 on_filter_added: function(filter) {
220 this.filters.push(filter);
224 on_filter_removed: function(filter) {
225 // Remove corresponding filters
226 this.filters = $.grep(this.filters, function(x) {
232 on_filter_clear: function() {
236 on_field_added: function(field) {
237 this.show_column(field);
240 on_field_removed: function(field) {
241 this.hide_column(field);
244 on_field_clear: function() {
245 alert('QueryTable::clear_fields() not implemented');
248 /* XXX TODO: make this generic a plugin has to subscribe to a set of Queries to avoid duplicated code ! */
249 /*************************** ALL QUERY HANDLER ****************************/
251 on_all_filter_added: function(filter) {
256 on_all_filter_removed: function(filter) {
261 on_all_filter_clear: function() {
266 on_all_field_added: function(field) {
267 this.show_column(field);
270 on_all_field_removed: function(field) {
271 this.hide_column(field);
274 on_all_field_clear: function() {
275 alert('QueryTable::clear_fields() not implemented');
279 /*************************** RECORD HANDLER ***************************/
281 on_new_record: function(record) {
282 if (this.received_all_query) {
283 // if the 'all' query has been dealt with already we may turn on the checkbox
284 this.set_checkbox(record, true);
286 // otherwise we need to remember that and do it later on
287 if (debug) messages.debug("Remembering record to check " + record[this.key]);
288 this.buffered_records_to_check.push(record);
292 on_clear_records: function() {
295 // Could be the default in parent
296 on_query_in_progress: function() {
300 on_query_done: function() {
301 this.received_query = true;
302 // unspin once we have received both
303 if (this.received_all_query && this.received_query) this.unspin();
306 on_field_state_changed: function(data) {
307 switch(data.request) {
308 case FIELD_REQUEST_ADD:
309 case FIELD_REQUEST_ADD_RESET:
310 this.set_checkbox(data.value, true);
312 case FIELD_REQUEST_REMOVE:
313 case FIELD_REQUEST_REMOVE_RESET:
314 this.set_checkbox(data.value, false);
321 /* XXX TODO: make this generic a plugin has to subscribe to a set of Queries to avoid duplicated code ! */
323 on_all_field_state_changed: function(data) {
324 switch(data.request) {
325 case FIELD_REQUEST_ADD:
326 case FIELD_REQUEST_ADD_RESET:
327 this.set_checkbox(data.value, true);
329 case FIELD_REQUEST_REMOVE:
330 case FIELD_REQUEST_REMOVE_RESET:
331 this.set_checkbox(data.value, false);
338 on_all_new_record: function(record) {
339 this.new_record(record);
342 on_all_clear_records: function() {
347 on_all_query_in_progress: function() {
350 }, // on_all_query_in_progress
352 on_all_query_done: function() {
353 if (debug) messages.debug("1-shot initializing dataTables content with " + this.slick_data.length + " lines");
354 var start=new Date();
355 this.slick_dataview.setItems (this.slick_data);
356 var duration=new Date()-start;
357 if (debug) messages.debug("setItems " + duration + " ms");
359 // show full contents of first row app
360 for (k in this.slick_data[0]) messages.debug("slick_data[0]["+k+"]="+this.slick_data[0][k]);
364 // if we've already received the slice query, we have not been able to set
365 // checkboxes on the fly at that time (dom not yet created)
366 $.each(this.buffered_records_to_check, function(i, record) {
367 if (debug) messages.debug ("delayed turning on checkbox " + i + " record= " + record);
368 self.set_checkbox(record, true);
370 this.buffered_records_to_check = [];
372 this.received_all_query = true;
373 // unspin once we have received both
374 if (this.received_all_query && this.received_query) this.unspin();
376 }, // on_all_query_done
378 /************************** PRIVATE METHODS ***************************/
381 * @brief QueryTable filtering function
383 _querytable_filter: function(oSettings, aData, iDataIndex) {
385 $.each (this.filters, function(index, filter) {
386 /* XXX How to manage checkbox ? */
389 var value = filter[2];
391 /* Determine index of key in the table columns */
392 var col = $.map(oSettings.aoColumns, function(x, i) {if (x.sTitle == key) return i;})[0];
394 /* Unknown key: no filtering */
395 if (typeof(col) == 'undefined')
398 col_value=unfold.get_value(aData[col]);
399 /* Test whether current filter is compatible with the column */
400 if (op == '=' || op == '==') {
401 if ( col_value != value || col_value==null || col_value=="" || col_value=="n/a")
403 }else if (op == '!=') {
404 if ( col_value == value || col_value==null || col_value=="" || col_value=="n/a")
407 if ( parseFloat(col_value) >= value || col_value==null || col_value=="" || col_value=="n/a")
410 if ( parseFloat(col_value) <= value || col_value==null || col_value=="" || col_value=="n/a")
412 } else if(op=='<=' || op=='≤') {
413 if ( parseFloat(col_value) > value || col_value==null || col_value=="" || col_value=="n/a")
415 } else if(op=='>=' || op=='≥') {
416 if ( parseFloat(col_value) < value || col_value==null || col_value=="" || col_value=="n/a")
419 // How to break out of a loop ?
420 alert("filter not supported");
428 _querytable_draw_callback: function() {
430 * Handle clicks on checkboxes: reassociate checkbox click every time
431 * the table is redrawn
433 this.elts('querytable-checkbox').unbind('click').click(this, this._check_click);
438 /* Remove pagination if we show only a few results */
439 var wrapper = this.table; //.parent().parent().parent();
440 var rowsPerPage = this.table.fnSettings()._iDisplayLength;
441 var rowsToShow = this.table.fnSettings().fnRecordsDisplay();
442 var minRowsPerPage = this.table.fnSettings().aLengthMenu[0];
444 if ( rowsToShow <= rowsPerPage || rowsPerPage == -1 ) {
445 $('.querytable_paginate', wrapper).css('visibility', 'hidden');
447 $('.querytable_paginate', wrapper).css('visibility', 'visible');
450 if ( rowsToShow <= minRowsPerPage ) {
451 $('.querytable_length', wrapper).css('visibility', 'hidden');
453 $('.querytable_length', wrapper).css('visibility', 'visible');
457 _check_click: function(e) {
462 // XXX this.value = key of object to be added... what about multiple keys ?
463 if (debug) messages.debug("querytable click handler checked=" + this.checked + " hrn=" + this.value);
464 manifold.raise_event(self.options.query_uuid, this.checked?SET_ADD:SET_REMOVED, this.value);
465 //return false; // prevent checkbox to be checked, waiting response from manifold plugin api
469 _selectAll: function() {
470 // requires jQuery id
471 var uuid=this.id.split("-");
472 var oTable=$("#querytable-"+uuid[1]).dataTable();
473 // Function available in QueryTable 1.9.x
474 // Filter : displayed data only
475 var filterData = oTable._('tr', {"filter":"applied"});
476 /* TODO: WARNING if too many nodes selected, use filters to reduce nuber of nodes */
477 if(filterData.length<=100){
478 $.each(filterData, function(index, obj) {
479 var last=$(obj).last();
480 var key_value=unfold.get_value(last[0]);
481 if(typeof($(last[0]).attr('checked'))=="undefined"){
482 $.publish('selected', 'add/'+key_value);
490 $.plugin('QueryTable', QueryTable);
492 // /* define the 'dom-checkbox' type for sorting in datatables
493 // http://datatables.net/examples/plug-ins/dom_sort.html
494 // using trial and error I found that the actual column number
495 // was in fact given as a third argument, and not second
496 // as the various online resources had it - go figure */
497 // $.fn.dataTableExt.afnSortData['dom-checkbox'] = function ( oSettings, _, iColumn ) {
498 // return $.map( oSettings.oApi._fnGetTrNodes(oSettings), function (tr, i) {
499 // return result=$('td:eq('+iColumn+') input', tr).prop('checked') ? '1' : '0';