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combo-time-scale.html
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Created
Mon, Oct 21, 16:49
Size
4 KB
Mime Type
text/html
Expires
Wed, Oct 23, 16:49 (2 d)
Engine
blob
Format
Raw Data
Handle
21842320
Attached To
R2664 SHRINE MedCo Fork
combo-time-scale.html
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<!doctype html>
<html>
<head>
<title>
Line Chart - Combo Time Scale
</title>
<script
src=
"../../node_modules/moment/min/moment.min.js"
></script>
<script
src=
"../../dist/Chart.bundle.js"
></script>
<script
src=
"http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"
></script>
<style>
canvas
{
-
moz
-
user
-
select
:
none
;
-
webkit
-
user
-
select
:
none
;
-
ms
-
user
-
select
:
none
;
}
</style>
</head>
<body>
<div
style=
"width:75%;"
>
<canvas
id=
"canvas"
></canvas>
</div>
<br>
<br>
<button
id=
"randomizeData"
>
Randomize Data
</button>
<button
id=
"addDataset"
>
Add Dataset
</button>
<button
id=
"removeDataset"
>
Remove Dataset
</button>
<button
id=
"addData"
>
Add Data
</button>
<button
id=
"removeData"
>
Remove Data
</button>
<script>
var
timeFormat
=
'MM/DD/YYYY HH:mm'
;
function
randomScalingFactor
()
{
return
Math
.
round
(
Math
.
random
()
*
100
*
(
Math
.
random
()
>
0.5
?
-
1
:
1
));
}
function
randomColorFactor
()
{
return
Math
.
round
(
Math
.
random
()
*
255
);
}
function
randomColor
(
opacity
)
{
return
'rgba('
+
randomColorFactor
()
+
','
+
randomColorFactor
()
+
','
+
randomColorFactor
()
+
','
+
(
opacity
||
'.3'
)
+
')'
;
}
function
newDateString
(
days
)
{
return
moment
().
add
(
days
,
'd'
).
format
(
timeFormat
);
}
var
config
=
{
type
:
'bar'
,
data
:
{
labels
:
[
newDateString
(
0
),
newDateString
(
1
),
newDateString
(
2
),
newDateString
(
3
),
newDateString
(
4
),
newDateString
(
5
),
newDateString
(
6
)],
datasets
:
[{
type
:
'bar'
,
label
:
'Dataset 1'
,
backgroundColor
:
"rgba(151,187,205,0.5)"
,
data
:
[
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
()],
borderColor
:
'white'
,
borderWidth
:
2
},
{
type
:
'bar'
,
label
:
'Dataset 2'
,
backgroundColor
:
"rgba(151,187,205,0.5)"
,
data
:
[
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
()],
borderColor
:
'white'
,
borderWidth
:
2
},
{
type
:
'line'
,
label
:
'Dataset 3'
,
backgroundColor
:
"rgba(220,220,220,0.5)"
,
data
:
[
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
()]
},
]
},
options
:
{
showLines
:
true
,
responsive
:
true
,
title
:
{
display
:
true
,
text
:
"Chart.js Combo Time Scale"
},
scales
:
{
xAxes
:
[{
type
:
"time"
,
display
:
true
,
time
:
{
format
:
timeFormat
,
// round: 'day'
}
}],
},
}
};
$
.
each
(
config
.
data
.
datasets
,
function
(
i
,
dataset
)
{
dataset
.
borderColor
=
randomColor
(
0.4
);
dataset
.
backgroundColor
=
randomColor
(
0.5
);
dataset
.
pointBorderColor
=
randomColor
(
0.7
);
dataset
.
pointBackgroundColor
=
randomColor
(
0.5
);
dataset
.
pointBorderWidth
=
1
;
});
window
.
onload
=
function
()
{
var
ctx
=
document
.
getElementById
(
"canvas"
).
getContext
(
"2d"
);
window
.
myLine
=
new
Chart
(
ctx
,
config
);
};
$
(
'#randomizeData'
).
click
(
function
()
{
$
.
each
(
config
.
data
.
datasets
,
function
(
i
,
dataset
)
{
dataset
.
data
=
dataset
.
data
.
map
(
function
()
{
return
randomScalingFactor
();
});
});
window
.
myLine
.
update
();
});
$
(
'#addDataset'
).
click
(
function
()
{
var
newDataset
=
{
label
:
'Dataset '
+
config
.
data
.
datasets
.
length
,
borderColor
:
randomColor
(
0.4
),
backgroundColor
:
randomColor
(
0.5
),
pointBorderColor
:
randomColor
(
0.7
),
pointBackgroundColor
:
randomColor
(
0.5
),
pointBorderWidth
:
1
,
data
:
[],
};
for
(
var
index
=
0
;
index
<
config
.
data
.
labels
.
length
;
++
index
)
{
newDataset
.
data
.
push
(
randomScalingFactor
());
}
config
.
data
.
datasets
.
push
(
newDataset
);
window
.
myLine
.
update
();
});
$
(
'#addData'
).
click
(
function
()
{
if
(
config
.
data
.
datasets
.
length
>
0
)
{
config
.
data
.
labels
.
push
(
newDateString
(
config
.
data
.
labels
.
length
));
for
(
var
index
=
0
;
index
<
config
.
data
.
datasets
.
length
;
++
index
)
{
config
.
data
.
datasets
[
index
].
data
.
push
(
randomScalingFactor
());
}
window
.
myLine
.
update
();
}
});
$
(
'#removeDataset'
).
click
(
function
()
{
config
.
data
.
datasets
.
splice
(
0
,
1
);
window
.
myLine
.
update
();
});
$
(
'#removeData'
).
click
(
function
()
{
config
.
data
.
labels
.
splice
(
-
1
,
1
);
// remove the label first
config
.
data
.
datasets
.
forEach
(
function
(
dataset
,
datasetIndex
)
{
config
.
data
.
datasets
[
datasetIndex
].
data
.
pop
();
});
window
.
myLine
.
update
();
});
</script>
</body>
</html>
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