/* Subscribe to query updates */
var channel='/results/' + options.query_uuid + '/changed';
/* passing $this as 2nd arg: callbacks will retrieve $this as e.data */
- $.subscribe(channel, $this, update_table);
+ $.subscribe(channel, $this, update_plugin);
if (simplelist_debug) window.console.log('subscribing to ' + channel);
$this.data('SimpleList', {options: options, SimpleList : SimpleList});
}
};
/* Private methods */
- function update_table(e, rows) {
+ function update_plugin(e, rows) {
// e.data is what we passed in second argument to subscribe
// so here it is the jquery object attached to the plugin <div>
var $this=e.data;
- // locate the <tbody>, expected layout being
- // <div class='plugin'> <table> <thead /> <tbody /tbody> </table> </div>
- // -- or, if we don't have a header --
- // <div class='plugin'> <table> <tbody /tbody> </table> </div>
- var $tbody=$this.find("tbody.simplelist").first();
- if (simplelist_debug) console.log("$tbody goes with "+$tbody.get(0));
+ // locate the <table> element; with datatables in the way,
+ // this might not be a direct son of the div-plugin
+ var $table=$this.find("table.simplelist").first();
+ // also we may or may not have a header
+ var $tbody=$table.find("tbody.simplelist").first();
+ var use_datatables = $table.hasClass("with-datatables");
+ if (simplelist_debug) console.log($this.attr('id') + " udt= " + use_datatables);
+
+ // clear the spinning wheel: look up an ancestor that has the need-spin class
+ // do this before we might return
+ $this.closest('.need-spin').spin(false);
if (rows.length == 0) {
- $tbody.html("<tr><td class='simplelist-empty'>No result !</tr></td>");
+ if (use_datatables) datatables_set_message ("No result");
+ else regular_set_message ("No result");
return;
}
if (typeof rows[0].error != 'undefined') {
- e.data.html("<tr><td class='simplelist-error'>ERROR: " + rows[0].error + "</td></tr>");
+ var error="ERROR: " + rows[0].error;
+ if (use_datatables) datatables_set_message (error);
+ else regular_set_message (error);
return;
}
var options = e.data.data().SimpleList.options;
- var is_cached = options.query.timestamp != 'now' ? true : false;
- // here is where we use 'key' and 'value' from the SimpleList (python) constructor
- html_code=myslice_html_tbody(rows, options.key, options.value, is_cached);
- // locate the tbody from the template, set its text
- $tbody.html(html_code);
-
- // clear the spinning wheel: look up an ancestor that has the need-spin class
- $this.closest('.need-spin').spin(false);
-
- // in case we run in datatables mode
- // xxx this is not working yet
- // http://datatables.net/forums/discussion/14556/can039t-get-my-table-to-refresh-properly#Item_1
- // http://live.datatables.net/ufihuc/2/edit#javascript,html
- // most likely when using datatables we'll have to change the contents using some other way..
- var datatables_table=$this.find("table.with-datatables");
- if (simplelist_debug) console.log ("running fnDraw() on " + datatables_table.length + " items");
- // only try this if needed as datatables might not be loaded at all
- if (datatables_table.length >0) datatables_table.dataTable().fnDraw();
+ if (use_datatables) datatables_update_table ($table,$tbody,rows,options.key);
+ else regular_update_table ($table,$tbody,rows,options.key);
}
- function myslice_html_tbody(data, key, value, is_cached) {
-// return $.map (...)
- var out = "";
- for (var i = 0; i < data.length; i++) {
- out += myslice_html_tr(key, data[i][value], is_cached);
- }
- return out;
- }
-
- function myslice_html_tr(key, value,is_cached) {
-// could not understand what sense this 'cache' stuff could actually make
-// var cached = is_cached ? "(cached)" : "";
- var cached = "";
+ // hard-wire a separate presentation depending on the key being used....
+ function cell(key, value) {
if (key == 'slice_hrn') {
- return "<tr><td class='simplelist'><i class='icon-play-circle'></i><a href='/slice/" + value + "'>" + value + cached + "</a></td></tr>";
+ return "<i class='icon-play-circle'></i><a href='/slice/" + value + "'>" + value + "</a>";
} else if (key == 'network_hrn') {
- return "<tr><td class='simplelist'><i class='icon-play-circle'></i>" + value + cached + "</td></tr>";
+ return "<i class='icon-play-circle'></i>" + value ;
} else {
- return "<tr><td class='simplelist'>" + value + "</td></tr>";
+ return value;
}
}
+
+ function regular_set_message ($table, $tbody, message) {
+ $tbody.html("<tr><td>"+message+"</td></tr>");
+ }
+
+ function regular_update_table ($table, $tbody, rows, key) {
+ console.log('regular_update_table ' + rows.length + " rows");
+ var html=$.map(rows, function (row) { return html_row ( cell (key, row[key])); }).join();
+ console.log("html="+html);
+ $tbody.html(html);
+ }
+
+ function datatables_set_message ($table, $tbody, message) {
+ $table.dataTable().fnClearTable();
+ $table.dataTable().fnAddData( [ message ] );
+ $table.dataTable().fnDraw();
+ }
+
+ function datatables_update_table ($table, $tbody, rows, key) {
+ console.log('datatables_update_table ' + rows.length + " rows");
+ $table.dataTable().fnClearTable();
+ // the lambda here returns a [[]] because $.map is kind of broken; as per the doc:
+ // The function can return any value to add to the array. A returned array will be flattened into the resulting array.
+ // this is wrong indeed so let's work around that
+ $table.dataTable().fnAddData( $.map(rows, function (row) { return [[ cell (key,row[key]) ]] }) );
+ $table.dataTable().fnDraw();
+ }
+
+ function html_row (cell) { return "<tr><td class='simplelist'>"+cell+"</td></tr>"; }
})( jQuery );