Put that code inside the drawChart function and see if it works.
On Sunday, May 26, 2013 9:59:41 AM UTC-4, ultratorrent wrote:
>
> i try the method you suggested to me, but nothing to display...guide me if
> i'm wrong
>
> function drawChart() {
> var jsonData =$.ajax({
> url: "lecturer.php",
> dataType:"json",
> async: false
> }).responseText;
>
> var data = new google.visualization.DataTable(jsonData);
>
>
> var columnsTable = new google.visualization.DataTable();
> columnsTable.addColumn('number', 'colIndex');
> columnsTable.addColumn('string', 'colLabel');
> var initState= {selectedValues: []};
> // put the columns into this data table (skip column 0)
> for (var i = 3; i < data.getNumberOfColumns(); i++) {
> columnsTable.addRow([i, data.getColumnLabel(i)]);
> initState.selectedValues.push(data.getColumnLabel(i));
> }
>
> var chart = new google.visualization.ChartWrapper({
> chartType: 'ColumnChart',
> containerId: 'chart_div',
> options: {
> title: 'Lecturer Skill Over Semester',
> width: 650,
> height: 300,
> animation: {
> duration: 1000,
> easing: 'out'
> },
> tooltip: {
> isHtml: true
> }
> },
> view: {
> columns: [0, 3,{
> // create a custom tooltip column
> type: 'string',
> role: 'tooltip',
> properties: {
> html: true
> },
> calc: function (dt, row) {
> var tooltip='';
> tooltip += '<ul>';
> tooltip += '<li>Semester: ' + dt.getValue(row, 0) +
> '</li>';
> tooltip += '<li>Subject: ' + dt.getValue(row, 1) + '</li>';
> tooltip += '<li>Category: ' + dt.getValue(row, 2) + '</li>';
> tooltip += '<li>Personality ' + dt.getValue(row, 3) + '</li>';
> tooltip += '</ul>';
> return tooltip;
> }
> }, 4,{
> // create a custom tooltip column
> type: 'string',
> role: 'tooltip',
> properties: {
> html: true
> },
> calc: function (dt, row) {
> var tooltip='';
> tooltip += '<ul>';
> tooltip += '<li>Semester: ' + dt.getValue(row, 0) +
> '</li>';
> tooltip += '<li>Subject: ' + dt.getValue(row, 1) + '</li>';
> tooltip += '<li>Category: ' + dt.getValue(row, 2) + '</li>';
> tooltip += '<li>Communication ' + dt.getValue(row, 4) + '</li>';
> tooltip += '</ul>';
> return tooltip;
> }
> }, 5,{
> // create a custom tooltip column
> type: 'string',
> role: 'tooltip',
> properties: {
> html: true
> },
> calc: function (dt, row) {
> var tooltip='';
> tooltip += '<ul>';
> tooltip += '<li>Semester: ' + dt.getValue(row, 0) +
> '</li>';
> tooltip += '<li>Subject: ' + dt.getValue(row, 1) + '</li>';
> tooltip += '<li>Category: ' + dt.getValue(row, 2) + '</li>';
> tooltip += '<li>Teaching ' + dt.getValue(row, 5) + '</li>';
> tooltip += '</ul>';
> return tooltip;
> }
> }, 6,{
> // create a custom tooltip column
> type: 'string',
> role: 'tooltip',
> properties: {
> html: true
> },
> calc: function (dt, row) {
> var tooltip='';
> tooltip += '<ul>';
> tooltip += '<li>Semester: ' + dt.getValue(row, 0) +
> '</li>';
> tooltip += '<li>Subject: ' + dt.getValue(row, 1) + '</li>';
> tooltip += '<li>Category: ' + dt.getValue(row, 2) + '</li>';
> tooltip += '<li>Techinical ' + dt.getValue(row, 6) + '</li>';
> tooltip += '</ul>';
> return tooltip;
> }
> }]
> }
> });
>
> var SubjectFilter = new google.visualization.ControlWrapper({
> controlType: 'CategoryFilter',
> containerId: 'SubjectFilter_div',
> options: {
> filterColumnLabel: 'Subject',
> ui: {
> label: 'Subject',
> allowTyping: false,
> allowMultiple: false,
> selectedValuesLayout: 'belowStacked',
> caption : 'Choose Subject'
> }
> }
> });
>
> var SemesterFilter = new google.visualization.ControlWrapper({
> controlType: 'CategoryFilter',
> containerId: 'SemesterFilter_div',
> options: {
> filterColumnLabel: 'Semester',
> ui: {
> label: 'Semester',
> allowTyping: false,
> allowMultiple: false,
> selectedValuesLayout: 'belowStacked',
> caption : 'Choose Semester'
> }
> }
> });
>
> var CategoryFilter = new google.visualization.ControlWrapper({
> controlType: 'CategoryFilter',
> containerId: 'CategoryFilter_div',
> options: {
> filterColumnLabel: 'Category',
> ui: {
> label: 'Category',
> allowTyping: false,
> allowMultiple: false,
> selectedValuesLayout: 'belowStacked',
> caption : 'Choose Category'
> }
> }
> });
>
> var table = new google.visualization.ChartWrapper({
> chartType: 'Table',
> containerId: 'chart2',
> options: {
> width: '1330px',
> height: 350,
> allowHtml: true
> }
> });
> var dashboard = new
> google.visualization.Dashboard(document.getElementById('dash_div'));
> dashboard.bind([SemesterFilter], [SubjectFilter]);
> dashboard.bind([SubjectFilter], [CategoryFilter]);
> dashboard.bind([CategoryFilter], [chart,table]);
> var formatter = new google.visualization.ColorFormat();
> formatter.addRange(0, 60, 'white', 'red');
> formatter.addRange(80, null, 'black', '#33ff33');
> formatter.format(data, 3);
> formatter.format(data, 4);
> formatter.format(data, 5);
> formatter.format(data, 6);
> dashboard.draw(data, {allowHtml: true, showRowNumber: true});
>
>
> }
>
> var count =0;
> //document.write(count);
> for (var i = 0; i < data.getNumberOfRows(); i++) {
> if (data.getValue(i, 7) > 80) {
> count ++;
> }
> }
> document.write(count);
>
>
> </script>
>
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