Test of continuously updating rows in a Zambezi Grid.
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October 12, 2016 13:27
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Updating rows
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| license: mit |
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| <!doctype html> | |
| <head><meta charset="utf-8" /></head> | |
| <body> | |
| <h2>updating grid example</h2> | |
| <button id="start-updates">Start updates</button> | |
| <button id="stop-updates">Stop updates</button> | |
| <div class="grid-target"></div> | |
| <link rel="stylesheet" type="text/css" href="https://npmcdn.com/[email protected]"> | |
| <script src="https://npmcdn.com/[email protected]"></script> | |
| <script src="https://npmcdn.com/[email protected]/faker.js"></script> | |
| <script src="https://npmcdn.com/@zambezi/[email protected]"></script> | |
| <script src="https://d3js.org/d3.v4.js"></script> | |
| <script src="https://npmcdn.com/@zambezi/[email protected]"></script> | |
| <script src="https://npmcdn.com/@zambezi/[email protected]"></script> | |
| <script> | |
| var table = grid.createGrid() | |
| , rows = _.shuffle(_.range(1, 1000).map(_.compose(_.partial(_.pick, _, 'name', 'username', 'email'), faker.Helpers.createCard)).map(function(row, i) { | |
| row.id = 'row' + i | |
| return row | |
| })) | |
| var grid = d3.select('.grid-target') | |
| .style('height', '500px') | |
| .datum(rows) | |
| .call(table) | |
| d3.select('#start-updates') | |
| .on('click', startUpdates) | |
| d3.select('#stop-updates') | |
| .on('click', stopUpdates) | |
| var updates | |
| function stopUpdates() { | |
| updates && updates.forEach(clearInterval) | |
| } | |
| function startUpdates() { | |
| updates = rows.map(function(n, i) { | |
| var id = 'row' + i | |
| return setInterval(function() { | |
| rows.some(function(row) { | |
| if (row.id === id) { | |
| row.username = Math.random().toString(16) | |
| grid.call(table) | |
| return true | |
| } | |
| }) | |
| }, 1000 + Math.floor(Math.random() * 100)) | |
| }) | |
| } | |
| </script> | |
| </body> |
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