Created
July 14, 2015 16:16
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Save insin/6c080fc215d421350418 to your computer and use it in GitHub Desktop.
Riot version of https://gist.github.com/bennadel/de29e3ab36c54add21b7 - Live version: http://bl.ocks.org/insin/raw/6c080fc215d421350418/
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form { | |
margin-bottom: 15px ; | |
} | |
table { | |
border: 1px solid #666666 ; | |
} | |
td, th { | |
border: 1px solid #666666 ; | |
padding: 4px 4px 4px 4px ; | |
} | |
td.hidden { | |
border-color: #CCCCCC ; | |
color: #CCCCCC ; | |
} | |
table.filtered td.item { | |
background-color: #FFFFBF ; | |
} | |
table.filtered td.item.hidden { | |
background-color: transparent ; | |
} | |
a[ ng-click ], | |
a[ data-reactid ] { | |
color: red ; | |
cursor: pointer ; | |
text-decoration: underline ; | |
user-select: none ; | |
-moz-user-select: none ; | |
-webkit-user-select: none ; | |
} |
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<!doctype html> | |
<html> | |
<head> | |
<meta charset="utf-8" /> | |
<title>Rendering Large Datasets With Riot</title> | |
<link rel="stylesheet" type="text/css" href="demo.css"></link> | |
</head> | |
<body> | |
<h1>Rendering Large Datasets With Riot</h1> | |
<demo></demo> | |
<script src="http://cdn.jsdelivr.net/g/riot@2.2(riot.js+compiler.js)"></script> | |
<script type="riot/tag"> | |
// I generate a grid of items with the given dimensions. The grid is | |
// represented as a two dimensional grid, of sorts. Each row has an object | |
// that has an items collection. | |
function generateGrid( rowCount, columnCount ) { | |
var valuePoints = [ | |
"Daenerys", "Jon", "Sansa", "Arya", "Stannis", "Gregor", "Tyrion", | |
"Theon", "Joffrey", "Ramsay", "Cersei", "Bran", "Margaery", | |
"Melisandre", "Daario", "Jamie", "Eddard", "Myrcella", "Robb", | |
"Jorah", "Petyr", "Tommen", "Sandor", "Oberyn", "Drogo", "Ygritte" | |
]; | |
var valueIndex = 0; | |
var grid = []; | |
for ( var r = 0 ; r < rowCount ; r++ ) { | |
var row = { | |
id: r, | |
items: [] | |
}; | |
for ( var c = 0 ; c < columnCount ; c++ ) { | |
row.items.push({ | |
id: ( r + "-" + c ), | |
value: valuePoints[ valueIndex ], | |
isHiddenByFilter: false | |
}); | |
if ( ++valueIndex >= valuePoints.length ) { | |
valueIndex = 0; | |
} | |
} | |
grid.push( row ); | |
} | |
return grid ; | |
} | |
function getVisibileCount(filter, grid) { | |
var count = 0; | |
for ( var r = 0, rowCount = grid.length ; r < rowCount ; r++ ) { | |
var row = grid[ r ]; | |
for ( var c = 0, columnCount = row.items.length ; c < columnCount ; c++ ) { | |
var item = row.items[ c ]; | |
var isHidden = ( filter && ( item.value.indexOf( filter ) === -1 ) ); | |
if ( ! isHidden ) { | |
count++; | |
} | |
} | |
} | |
return count; | |
} | |
<demo> | |
<demo-form | |
onfilterchange={filterChange} | |
datapoints={dataPoints} | |
visiblecount={visibleCount} | |
filter={filter} | |
ismounted={!!grid.length} | |
onunmount={unmount} | |
onremount={remount} | |
/> | |
<demo-table grid={grid} filter={filter}/> | |
this.grid = generateGrid(1000, 10) | |
this.dataPoints = this.grid.length * this.grid[0].items.length | |
this.filter = '' | |
// It doesn't seem to redraw without these manual update() calls | |
filterChange(filter) { | |
this.filter = filter | |
this.visibleCount = getVisibileCount(filter, this.grid) | |
this.update() | |
} | |
unmount() { | |
this.grid = [] | |
this.dataPoints = 0 | |
this.filter = '' | |
this.update() | |
} | |
remount() { | |
this.grid = generateGrid(1000, 10) | |
this.dataPoints = this.grid.length * this.grid[0].items.length | |
this.filter = '' | |
this.update() | |
} | |
</demo> | |
<demo-form> | |
<form> | |
<strong>Filter Data</strong>: | |
<input value={opts.filter} oninput={filterChange}> | |
<span hide={!opts.filter}> | |
— Filtering <strong>{opts.filter}</strong> | |
over {opts.datapoints} data points, | |
{opts.visiblecount} found. | |
</span> | |
<a onclick={opts.ismounted ? opts.onunmount : opts.onremount}> | |
{opts.ismounted ? 'Unmount' : 'Remount'} Grid | |
</a> | |
</form> | |
filterChange(e) { | |
opts.onfilterchange(e.target.value) | |
} | |
</demo-form> | |
<demo-table> | |
<table width="100%" cellSpacing="2" class={filtered: !!opts.filter}> | |
<tbody> | |
<tr each={opts.grid}> | |
<th>{id}</th> | |
<td each={items} | |
class={ | |
item: true, | |
hidden: !!parent.parent.opts.filter && value.indexOf(parent.parent.opts.filter) === -1 | |
}> | |
{value} | |
</td> | |
</tr> | |
</tbody> | |
</table> | |
</demo-table> | |
</script> | |
<script> | |
riot.mount('*') | |
</script> | |
</body> | |
</html> |
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