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zhongjin
2020-06-13 18:34:34 +08:00
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<!DOCTYPE html>
<html>
<head>
<title>Category widget | CARTO</title>
<meta name="viewport" content="initial-scale=1.0">
<meta charset="utf-8">
<link href="https://fonts.googleapis.com/css?family=Montserrat:400,600,700|Open+Sans:300,400,600" rel="stylesheet">
<!-- Include CARTO.js -->
<script src="../../../dist/public/carto.js"></script>
<link href="../style.css" rel="stylesheet">
</head>
<body class="bg-gray">
<div class="dataview">
<ul>
<li>
<h2 class="h2">Column</h2>
<input id="column" type="text" value="adm0name" class="input_text open-sans"></input>
</li>
<li>
<h2 class="h2">Limit</h2>
<input id="limit" type="number" value="10" class="input_text open-sans"></input>
</li>
<li>
<h2 class="h2">Operation</h2>
<select id="operation" class="select open-sans">
<option value="sum">SUM</option>
<option value="count">COUNT</option>
<option value="avg">AVG</option>
<option value="max">MAX</option>
<option value="min">MIN</option>
</select>
</li>
<li>
<h2 class="h2">Operation column</h2>
<input id="operationColumn" type="text" value="pop_max" class="input_text open-sans"></input>
</li>
</ul>
<button onclick="applyDataviewChanges()" class="button open-sans">Apply</button>
<pre class="code" id="data"></pre>
</div>
<aside class="toolbox">
<div class="box">
<header>
<h1>Category widget</h1>
<button class="github-logo js-source-link"></button>
</header>
<section>
<p class="description open-sans">Create a widget with the category dataview.</p>
<div class="separator"></div>
<section class="usage">
<header>USAGE</header>
<p class="open-sans">Change form values.</p>
</section>
<div id="controls">
<div id="info"></div>
</div>
</section>
<footer class="js-footer"></footer>
</div>
</aside>
<script>
const client = new carto.Client({
apiKey: 'default_public',
username: 'cartojs-test'
});
const source = new carto.source.Dataset('ne_10m_populated_places_simple');
const categoryDataview = new carto.dataview.Category(source, 'adm0name', {
limit: 10,
operation: carto.operation.SUM,
operationColumn: 'pop_max'
});
categoryDataview.on('dataChanged', data => {
document.getElementById('data').innerHTML = JSON.stringify(data, null, 4);
});
categoryDataview.on('error', error => {
alert(error.message);
});
client.addDataview(categoryDataview);
function applyDataviewChanges() {
const column = document.getElementById('column').value;
const limit = document.getElementById('limit').value;
const operation = document.getElementById('operation').value;
const operationColumn = document.getElementById('operationColumn').value;
categoryDataview.setColumn(column);
categoryDataview.setLimit(parseInt(limit));
categoryDataview.setOperation(operation);
categoryDataview.setOperationColumn(operationColumn);
}
</script>
</body>
</html>
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<!DOCTYPE html>
<html>
<head>
<title>Widgets error handling | CARTO</title>
<meta name="viewport" content="initial-scale=1.0">
<meta charset="utf-8">
<link href="https://fonts.googleapis.com/css?family=Montserrat:400,600,700|Open+Sans:300,400,600" rel="stylesheet">
<!-- Include CARTO.js -->
<script src="../../../dist/public/carto.js"></script>
<link href="../style.css" rel="stylesheet">
</head>
<body class="bg-gray">
<div class="dataview">
<ul>
<li>
<h2 class="h2">Column</h2>
<input id="column" type="text" value="pop_max" class="input_text open-sans"></input>
</li>
<li>
<h2 class="h2">Operation</h2>
<select id="operation" class="select">
<option value="count">COUNT</option>
<option value="sum">SUM</option>
<option value="avg">AVG</option>
<option value="max">MAX</option>
<option value="min">MIN</option>
</select>
</li>
</ul>
<button onclick="applyDataviewChanges()" class="button open-sans text-blue"><b>Apply</b></button>
<button onclick="provokeError()" class="button button-error open-sans text-red"><b>Provoke error</b></button>
<pre class="code" id="data"></pre>
</div>
<aside class="toolbox">
<div class="box">
<header>
<h1>Status and error handling</h1>
<button class="github-logo js-source-link"></button>
</header>
<section>
<p class="description open-sans">Manage the status and erros in dataviews.</p>
<div class="separator"></div>
<section class="usage">
<header>USAGE</header>
<p class="open-sans">Apply submits the form. Provoke error sends a wrong column.</p>
</section>
<div id="controls">
<div id="info"></div>
</div>
</section>
<footer class="js-footer"></footer>
</div>
</aside>
<script>
const client = new carto.Client({
apiKey: 'default_public',
username: 'cartojs-test'
});
const source = new carto.source.Dataset(`
ne_10m_populated_places_simple
`);
const formulaDataview = new carto.dataview.Formula(source, 'pop_max', {
operation: carto.operation.COUNT
});
let data;
formulaDataview.on('dataChanged', newData => {
data = JSON.stringify(newData, null, 4);
setText(data);
});
formulaDataview.on('error', error => {
setText(error.message);
});
formulaDataview.on('statusChanged', status => {
if (status === carto.dataview.status.LOADING) {
setText('Loading...');
} else if (status === carto.dataview.status.LOADED && data) {
setText(data);
}
});
client.addDataview(formulaDataview);
function applyDataviewChanges() {
const column = document.getElementById('column').value;
const operation = document.getElementById('operation').value;
formulaDataview.setColumn(column);
formulaDataview.setOperation(operation);
}
function provokeError () {
formulaDataview.setColumn('wrongcolumn');
}
function setText (text) {
document.getElementById('data').innerHTML = text;
}
</script>
</body>
</html>
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<!DOCTYPE html>
<html>
<head>
<title>Formula widget | CARTO</title>
<meta name="viewport" content="initial-scale=1.0">
<meta charset="utf-8">
<link href="https://fonts.googleapis.com/css?family=Montserrat:400,600,700|Open+Sans:300,400,600" rel="stylesheet">
<!-- Include CARTO.js -->
<script src="../../../dist/public/carto.js"></script>
<link href="../style.css" rel="stylesheet">
</head>
<body class="bg-gray">
<div class="dataview">
<ul>
<li>
<h2 class="h2">Column</h2>
<input id="column" type="text" value="pop_max" class="input_text open-sans"></input>
</li>
<li>
<h2 class="h2">Operation</h2>
<select id="operation" class="select open-sans">
<option value="count">COUNT</option>
<option value="sum">SUM</option>
<option value="avg">AVG</option>
<option value="max">MAX</option>
<option value="min">MIN</option>
</select>
</li>
</ul>
<button onclick="applyDataviewChanges()" class="button open-sans">Apply</button>
<pre class="code" id="data"></pre>
</div>
<aside class="toolbox">
<div class="box">
<header>
<h1>Formula widget</h1>
<button class="github-logo js-source-link"></button>
</header>
<section>
<p class="description open-sans">Create a widget with the formula dataview.</p>
<div class="separator"></div>
<section class="usage">
<header>USAGE</header>
<p class="open-sans">Change column or operation on the form.</p>
<p class="open-sans">Example columns: rank_max, pop_max, pop_min.</p>
</section>
<div id="controls">
<div id="info"></div>
</div>
</section>
<footer class="js-footer"></footer>
</div>
</aside>
<script>
const client = new carto.Client({
apiKey: 'default_public',
username: 'cartojs-test'
});
const source = new carto.source.Dataset('ne_10m_populated_places_simple');
const formulaDataview = new carto.dataview.Formula(source, 'pop_max', {
operation: carto.operation.COUNT
});
formulaDataview.on('dataChanged', data => {
document.getElementById('data').innerHTML = JSON.stringify(data, null, 4);
});
formulaDataview.on('error', error => {
alert(error.message);
});
client.addDataview(formulaDataview);
function applyDataviewChanges() {
const column = document.getElementById('column').value;
const operation = document.getElementById('operation').value;
formulaDataview.setColumn(column);
formulaDataview.setOperation(operation);
}
</script>
</body>
</html>
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<!DOCTYPE html>
<html>
<head>
<title>Histogram widget | CARTO</title>
<meta name="viewport" content="initial-scale=1.0">
<meta charset="utf-8">
<link href="https://fonts.googleapis.com/css?family=Montserrat:400,600,700|Open+Sans:300,400,600" rel="stylesheet">
<!-- Include CARTO.js -->
<script src="../../../dist/public/carto.js"></script>
<link href="../style.css" rel="stylesheet">
</head>
<body class="bg-gray">
<div class="dataview">
<ul>
<li>
<h2 class="h2">Column</h2>
<input id="column" type="text" value="price" class="input_text open-sans"></input>
</li>
<li>
<h2 class="h2">Bins</h2>
<input id="bins" type="number" value="5" class="input_text open-sans"></input>
</li>
<li>
<h2 class="h2">Start</h2>
<input id="start" type="number" class="input_text open-sans"></input>
</li>
<li>
<h2 class="h2">End</h2>
<input id="end" type="number" class="input_text open-sans"></input>
</li>
</ul>
<button onclick="applyDataviewChanges()" class="button open-sans">Apply</button>
<pre class="code" id="data"></pre>
</div>
<aside class="toolbox">
<div class="box">
<header>
<h1>Histogram widget</h1>
<button class="github-logo js-source-link"></button>
</header>
<section>
<p class="description open-sans">Create a widget with the histogram dataview.</p>
<div class="separator"></div>
<section class="usage">
<header>USAGE</header>
<p class="open-sans">Change column or bins on the form.</p>
<p class="open-sans">Start and end values must be used together.</p>
<p class="open-sans">Example columns: price, minimum_nights, availability_365.</p>
</section>
<div id="controls">
<div id="info"></div>
</div>
</section>
<footer class="js-footer"></footer>
</div>
</aside>
<script>
const client = new carto.Client({
apiKey: 'default_public',
username: 'cartojs-test'
});
const source = new carto.source.SQL('SELECT * FROM airbnb_listings WHERE price < 150');
const histogramDataview = new carto.dataview.Histogram(source, 'price', {
bins: 5
});
histogramDataview.on('dataChanged', data => {
document.getElementById('data').innerHTML = JSON.stringify(data, null, 4);
});
histogramDataview.on('error', error => {
alert(error.message);
});
client.addDataview(histogramDataview);
function applyDataviewChanges() {
const column = document.getElementById('column').value;
const bins = parseInt(document.getElementById('bins').value);
const startValue = parseFloat(document.getElementById('start').value);
const endValue = parseFloat(document.getElementById('end').value);
const start = Number.isFinite(startValue) ? startValue : null;
const end = Number.isFinite(endValue) ? endValue : null;
try {
histogramDataview.setColumn(column);
histogramDataview.setStartEnd(start, end);
histogramDataview.setBins(bins);
} catch(error) {
alert(error.message);
}
}
</script>
</body>
</html>
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<!DOCTYPE html>
<html>
<head>
<title>Time Series widget | CARTO</title>
<meta name="viewport" content="initial-scale=1.0">
<meta charset="utf-8">
<link href="https://fonts.googleapis.com/css?family=Montserrat:400,600,700|Open+Sans:300,400,600" rel="stylesheet">
<!-- Include CARTO.js -->
<script src="../../../dist/public/carto.js"></script>
<link href="../style.css" rel="stylesheet">
</head>
<body class="bg-gray">
<div class="dataview">
<ul>
<li>
<h2 class="h2">Column</h2>
<input id="column" type="text" value="date" class="input_text open-sans"></input>
</li>
<li>
<h2 class="h2">Aggregation</h2>
<select id="aggregation" class="select">
<option value="auto">Auto</option>
<option value="millennium">Millennium</option>
<option value="century">Century</option>
<option value="decade">Decade</option>
<option value="year">Year</option>
<option value="quarter">Quarter</option>
<option value="month">Month</option>
<option value="week">Week</option>
<option value="day">Day</option>
<option value="hour">Hour</option>
<option value="minute">Minute</option>
</select>
</li>
<li>
<h2 class="h2">Offset</h2>
<input id="offset" type="number" value="1" class="input_text open-sans"></input>
</li>
</ul>
<button class="button open-sans" onclick="applyDataviewChanges()">Apply</button>
<pre class="code" id="data"></pre>
</div>
<aside class="toolbox">
<div class="box">
<header>
<h1>Time Series widget</h1>
<button class="github-logo js-source-link"></button>
</header>
<section>
<p class="description open-sans">Create a widget with the time series dataview.</p>
<div class="separator"></div>
<section class="usage">
<header>USAGE</header>
<p class="open-sans">Select different aggregations on the form.</p>
</section>
<div id="controls">
<div id="info"></div>
</div>
</section>
<footer class="js-footer"></footer>
</div>
</aside>
<script>
const client = new carto.Client({
apiKey: 'default_public',
username: 'cartojs-test'
});
const source = new carto.source.Dataset('railroad_data');
const timeseriesDataview = new carto.dataview.TimeSeries(source, 'date', {
aggregation: carto.dataview.timeAggregation.AUTO,
offset: 1
});
timeseriesDataview.on('dataChanged', data => {
document.getElementById('data').innerHTML = JSON.stringify(data, null, 4);
});
timeseriesDataview.on('error', error => {
alert(error.message);
});
client.addDataview(timeseriesDataview);
function applyDataviewChanges() {
const column = document.getElementById('column').value;
const aggregation = document.getElementById('aggregation').value;
const offset = document.getElementById('offset').value;
timeseriesDataview.setColumn(column);
timeseriesDataview.setAggregation(aggregation);
timeseriesDataview.setOffset(parseInt(offset));
}
</script>
</body>
</html>