Thank you for your response and apology for the delay response.
I am little stuck on the code below, as its currently throwing a --
> Error: Invalid column index 0. Should be an integer in the range [0-3].
Would i need to implement a separate method for for adding the names values
multiple names values to the line chart, also? if so, how? please advice.
Many thanks.
// Define a StringFilter control for the 'Name' column
var stringFilter = new google.visualization.ControlWrapper({
'controlType': 'StringFilter',
'containerId': 'control1',
'dataTable': data,
'options': {
'filterColumnLabel': columnNames.split(',')[0],
'ui': {
'allowTyping': false,
'allowMultiple': true,
'allowNone': false,
'selectedValuesLayout': 'belowStacked'
}
},
});
// Define a StringFilter control for the 'Name' column
var stringFilter2 = new google.visualization.ControlWrapper({
'controlType': 'StringFilter',
'containerId': 'control2',
'dataTable': data,
'options': {
'filterColumnLabel': columnNames.split(',')[0],
'ui': {
'allowTyping': false,
'allowMultiple': true,
'allowNone': false,
'selectedValuesLayout': 'belowStacked'
}
},
});
var dateFormatter = new google.visualization.DateFormat({
pattern: 'dd MM yyyy' });
var line = new google.visualization.ChartWrapper({
'chartType': 'LineChart',
'containerId': 'PieChartContainer',
'dataTable': data,
'options': {
'width': 960,
'height': 450,
'legend': 'right',
'title': chartTitle,
'chartArea': { 'left': 100, 'top': 100, 'right': 0,
'bottom': 100 },
'pieSliceText': 'label',
'tooltip': { 'text': 'percentage' }
},
'view': { 'columns': [0, 1] }
});
var table = new google.visualization.ChartWrapper({
'chartType': 'Table',
'containerId': 'TableContainer',
'dataTable': data,
'options': {
'width': '900px'
}
});
function getUniqueIndices (a) {
var ret = [];
for (var i = 0; i < a.length; i++) {
if (ret.indexOf(a[i]) == -1) {
ret.push(a[i]);
}
}
return ret;
}
function update () {
var v1 = stringFilter.getState().value;
var v2 = stringFilter2.getState().value;
var rows = [];
if (v1 != '') {
rows = rows.concat(data.getFilteredRows([{column: [0]/*
column index to filter on */, value: v1}]));
}
if (v2 != '') {
rows = rows.concat(data.getFilteredRows([{column: [0]/*
column index to filter on */, value: v2}]));
}
var view = line.getView() || {};
view.rows = (v1 == '' && v2 == '') ? null : rows;
line.setView(view);
line.draw();
}
google.visualization.events.addListener(stringFilter,
'statechange', update);
google.visualization.events.addListener(stringFilter2,
'statechange', update);
stringFilter.draw();
stringFilter2.draw();
line.draw();
}
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