google apps script - How can I get Selection in dashboard with ChartWrapper -


i´m trying event in google dashboard chartwrapper.

i need when select row can throw event , selected value.

can me or me how can it?

here´s code:

<script type="text/javascript" src="//www.google.com/jsapi"></script>     <script type="text/javascript">       google.load('visualization', '1.1', {packages: ['controls']});     </script>     <script type="text/javascript">       var data;     var table;     var dash_container;     var mydashboard;     var stringfilter;     var mytable;       function draw() {         // see data visualization uses, browse       // http://spreadsheets.google.com/ccc?key=pcqbetd-cptgxxxqig7vfiq       data = new google.visualization.query(           'http://spreadsheets.google.com/tq?key=0ai3bbto5jfaodglusww0uvfvz3bdak1nyzvac0rpwgc&pub=1');        // send query callback function.       data.send(handlequeryresponse);       }      //fin de draw      function handlequeryresponse(response) {        if (response.iserror()) {         alert('error in query: ' + response.getmessage() + ' ' + response.getdetailedmessage());         return;       }        table = response.getdatatable();         // create dashboard.         dash_container = document.getelementbyid('dashboard'),         mydashboard = new google.visualization.dashboard(dash_container);          // define stringfilter control 'name' column       stringfilter = new google.visualization.controlwrapper({        'controltype': 'stringfilter',        'containerid': 'filter',        'options': {'filtercolumnlabel': 'nombre'}       });         // table visualization         mytable = new google.visualization.chartwrapper({          'charttype' : 'table',          'containerid' : 'table',        'view': {'columns': [0]} ,        'datatable': table       });         // register listener notified once dashboard ready.         google.visualization.events.addlistener(mydashboard, 'ready', dashboardready);         mydashboard.bind(stringfilter, mytable);        mydashboard.draw(table);       }

**here´s have problems, because can selection row 

    function dashboardready() {          google.visualization.events.addlistener(mytable, 'select', function(event) {          var selection = mytable.getchart().getselection();           // iterate on selected rows         (var = 0; < selection.length; i++) {             // selection[i].row           var item = selection[i];         }       alert('fila seleccionada es: '+item.row +' y la columna: '+item.column);     });       }      google.setonloadcallback(draw);

to that, need 2 things after chart drawn:

  1. add 'ready' event listener chart wrapper;

  2. add 'select' event listener table when chart wrapper ready.

so, add following 2 lines after mydashboard.draw(table); in code

google.visualization.events.addlistener(mytable , 'ready', function(){      google.visualization.events.addlistener(mytable ,'select', tableselecthandler); });   function tableselecthandler(){    var selection = mytable.getchart().getselection();    alert(data.getvalue(selection[0].row,0)); }

there 3 seconds delay ready function triggered, due bug think, see here more details bug report of issue: https://code.google.com/p/google-visualization-api-issues/issues/detail?can=2&start=0&num=100&q=&colspec=id%20stars%20modified%20type%20status%20priority%20milestone%20owner%20summary&groupby=&sort=&id=1470


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