Here is my code, When the mouse point to the graph, the box will show me 3
informations (e.g: semester, percentage of skill and subject name), how to
do that?
var chart = new google.visualization.ChartWrapper({
chartType: 'ColumnChart',
containerId: 'chart_div',
options: {
title: 'Percentage',
width: 744,
height: 390
},
view: {
columns: [0, 3, 4, 5, 6]
}
});
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 dashboard = new
google.visualization.Dashboard(document.getElementById('dash_div'));
dashboard.bind([SemesterFilter], [SubjectFilter]);
dashboard.bind([SubjectFilter], [CategoryFilter]);
dashboard.bind([CategoryFilter], [chart]);
dashboard.draw(data);
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