Using Vue.js to adjust properties on an SVG element.
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October 19, 2022 13:57
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SVG Attributes + Vue
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8"> | |
<meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
<meta name="viewport" content="width=device-width,initial-scale=1.0"> | |
<title>SVG Attributes</title> | |
<style type="text/css" media="screen"> | |
body { | |
font-family: "Courier New", Georgia; | |
background: #f4f4f4; | |
} | |
h1 { | |
font-size: 3em; | |
padding: 0px; | |
font-weight: normal; | |
text-align: center; | |
text-transform: uppercase; | |
} | |
.lede { | |
font-style: italic; | |
font-weight: 400; | |
font-size: .9em; | |
font-size: 14px; | |
line-height: 1.4em; | |
text-align: center; | |
} | |
label { | |
display: inline-block; | |
margin-left: 10px; | |
width: 200px; | |
} | |
input { | |
margin-top: 5px; | |
position: absolute; | |
left: 200px; | |
width: 180px !important; | |
} | |
.control { | |
height: 30px; | |
} | |
</style> | |
</head> | |
<body> | |
<!-- circle template --> | |
<script type="text/x-template" id="svg-circle"> | |
<circle | |
:r="properties.r" | |
:cx="properties.cx" | |
:cy="properties.cy" | |
:stroke="properties.stroke" | |
:fill="properties.fill" | |
:stroke-width="properties.strokeWidth" | |
:opacity="properties.opacity" | |
:stroke-opacity="properties.strokeOpacity" | |
:fill-opacity="properties.fillOpacity" | |
:stroke-dasharray="properties.strokeDasharray" | |
></circle> | |
</script> | |
<!-- Vue render --> | |
<div id="chart"> | |
<h1 class="g-header centered">SVG Attributes</h1> | |
<p class="lede centered" style="margin-bottom:0rem">Adjusting SVG attributes using Vue.js</p> | |
<svg width="500" height="300"> | |
<svg-circle :attributes="attributes"></svg-circle> | |
</svg> | |
<div v-for="attribute in attributes"> | |
<div class="control" v-if="attribute.min !== undefined"> | |
<label>{{ attribute.label }}</label> | |
<input type="range" v-model="attribute.value" :min="attribute.min" :max="attribute.max" | |
:step="attribute.step"> | |
</div> | |
</div> | |
</div> | |
<script src="https://unpkg.com/vue"></script> | |
<script src="main.js"></script> | |
</body> | |
</html> |
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const attributes = [{ | |
"label": "Radius", | |
"attr": "r", | |
"min": 0, | |
"max": 100, | |
"value": 75, | |
"step": 1 | |
}, | |
{ | |
"label": "x-Axis Coordinate", | |
"attr": "cx", | |
"min": 100, | |
"max": 400, | |
"value": 250, | |
"step": 1 | |
}, | |
{ | |
"label": "y-Axis Coordinate", | |
"attr": "cy", | |
"min": 100, | |
"max": 200, | |
"value": 150, | |
"step": 1 | |
}, | |
{ | |
"label": "Stroke", | |
"attr": "stroke", | |
"value": "black" | |
}, | |
{ | |
"label": "Fill", | |
"attr": "fill", | |
"value": "steelblue" | |
}, | |
{ | |
"label": "Opacity", | |
"attr": "opacity", | |
"min": 0, | |
"max": 1, | |
"value": 0.7, | |
"step": 0.01 | |
}, | |
{ | |
"label": "Fill Opacity", | |
"attr": "fillOpacity", | |
"min": 0, | |
"max": 1, | |
"value": 0.7, | |
"step": 0.01 | |
}, | |
{ | |
"label": "Stroke Opacity", | |
"attr": "strokeOpacity", | |
"min": 0, | |
"max": 1, | |
"value": 0.7, | |
"step": 0.01 | |
}, | |
{ | |
"label": "Stroke Width", | |
"attr": "strokeWidth", | |
"min": 0, | |
"max": 5, | |
"value": 3, | |
"step": 0.01 | |
}, | |
{ | |
"label": "Stroke Dasharray", | |
"attr": "strokeDasharray", | |
"min": 0, | |
"max": 50, | |
"value": 0, | |
"step": 0.01 | |
} | |
]; | |
Vue.component('svg-circle', { | |
template: '#svg-circle', | |
props: ['attributes'], | |
computed: { | |
properties: function () { | |
var newObj = {}; | |
attributes.forEach(function (d) { | |
newObj[d.attr] = d.value; | |
}); | |
return newObj; | |
} | |
} | |
}); | |
new Vue({ | |
el: '#chart', | |
data: function () { | |
return { | |
attributes: attributes | |
}; | |
} | |
}); |
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