Hello,
I want to use the ControlWrapper and a SelectHandler function.
The two functions are working: I can "zoom in the chart" and when I select
the a point of the chart, the "alert" message is displayed.
But, when I "zoom in" the chart, the data which is coming from the getValue
is modified... I don't know if what i'm saying is clear ?
If I select the data at the left of the part displayed after a "zoom", the
data displayed is always 0... Why ?
It should be the data displayed on the X axe... It's like if the datas are
"remapped".
How can I change this?
Here's my code:
var dash = new
google.visualization.Dashboard(document.getElementById('dashboard<?PHP echo
$a; ?>'));
var control = new google.visualization.ControlWrapper({
controlType: 'ChartRangeFilter',
containerId: 'control_div<?PHP echo $a; ?>',
options: {
filterColumnIndex: 0,
ui: {
chartOptions: {
height: 50,
width: '100%',
chartArea: {
width: '80%'
}
},
chartView: {
columns: [0, 1]
}
}
}
});
var chart = new google.visualization.ChartWrapper({
chartType: 'LineChart',
containerId: 'chart_div'
});
function setOptions (wrapper) {
// sets the options on the chart wrapper so that it draws correctly
wrapper.setOption('height', 500);
wrapper.setOption('width', '100%');
wrapper.setOption('chartArea.width', '80%');
wrapper.setOption('chartArea.height', '95%');
// the chart editor automatically enables animations, which doesn't look
right with the ChartRangeFilter
wrapper.setOption('animation.duration', 0);
}
setOptions(chart);
dash.bind([control], [chart]);
dash.draw(data);
google.visualization.events.addListener(chart , 'ready', function(){
google.visualization.events.addListener(chart ,'select',
tableSelectHandler);
});
function tableSelectHandler(){
var selection = chart.getChart().getSelection();
alert(data.getValue(selection[0].row,0));
}
Thank you!!!
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