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combined.html~
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combined.html~
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<html>
<head>
<!-- https://developers.google.com/chart/interactive/docs/animation?hl=en#Supported_Modifications -->
<!-- https://developers.google.com/chart/interactive/docs/gallery/columnchart -->
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
window.onload = function() {
}
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(init);
function init() {
var options = {
width: 400,
height: 240,
vAxis: {minValue:0, maxValue:1000},
animation: {
duration: 1000,
easing: 'out'
}
};
var chart = new google.visualization.ColumnChart(
document.getElementById('chart_div'));
var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz';
var data = new google.visualization.DataTable();
data.addColumn('string', 'x');
data.addColumn('number', 'A');
data.addColumn('number', 'B');
data.addRow(['A', 123, 40]);
data.addRow(['B', 17, 20]);
var addButton = document.getElementById('b1');
var removeButton = document.getElementById('b2');
var addCriteriaButton = document.getElementById('addCriteria');
var removeCriteriaButton = document.getElementById('removeCriteria');
var medals = document.getElementById('medals');
function drawChart() {
// Disabling the buttons while the chart is drawing.
addButton.disabled = true;
removeButton.disabled = true;
addCriteriaButton.disabled = true;
removeCriteriaButton.disabled = true;
medals.disabled = true;
google.visualization.events.addListener(chart, 'ready',
function() {
// Enabling only relevant buttons.
addButton.disabled = (data.getNumberOfColumns() - 1) >= chars.length;
removeButton.disabled = (data.getNumberOfColumns() - 1) < 2;
//check to see if there are more criteria to add
addCriteriaButton.disabled = false;
removeCriteriaButton.disabled = false;
medals.disabled = false;
//----------------------------------------------
});
chart.draw(data, options);
}
function shuffleAndDrawChart() {
for (var i = 0; i < data.getNumberOfRows(); ++i) {
for (var j = 1; j < data.getNumberOfColumns(); ++j) {
var num = Math.floor(Math.random() * 1000);
data.setValue(i, j, num);
}
}
drawChart();
}
addButton.onclick = function() {
data.addColumn('number', chars[data.getNumberOfColumns() - 1]);
shuffleAndDrawChart();
}
removeButton.onclick = function() {
data.removeColumn(data.getNumberOfColumns() - 1);
shuffleAndDrawChart();
}
addCriteriaButton.onclick = function() {
var where = 0;
while (where < data.getNumberOfRows() ) {
where++;
}
data.addRow(['C', 100,100]);
drawChart();
}
removeCriteriaButton.onclick = function() {
data.removeRow(data.getNumberOfRows()-1);
drawChart();
}
medals.onclick = function() {
data.removeRow(data.getNumberOfRows()-1);
drawChart();
}
drawChart();
}
</script>
</head>
<body>
<div id="chart_div" style="width: 900px; height: 500px;"></div>
<button type="button" id="b1" >Add!</button>
<button type="button" id="b2" >Remove!</button>
<button type="button" id="addCriteria" >Add criteria!</button>
<button type="button" id="removeCriteria" >Remove criteria!</button>
<button type="button" id="medals" >Medals!</button>
</body>
</html>