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108 lines
3.3 KiB
108 lines
3.3 KiB
<!DOCTYPE html>
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<html>
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<head>
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<title>Widgets error handling | CARTO</title>
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<meta name="viewport" content="initial-scale=1.0">
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<meta charset="utf-8">
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<link href="https://fonts.googleapis.com/css?family=Montserrat:400,600,700|Open+Sans:300,400,600" rel="stylesheet">
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<!-- Include CARTO.js -->
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<script src="../../../dist/public/carto.js"></script>
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<link href="../style.css" rel="stylesheet">
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</head>
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<body class="bg-gray">
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<div class="dataview">
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<ul>
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<li>
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<h2 class="h2">Column</h2>
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<input id="column" type="text" value="pop_max" class="input_text open-sans"></input>
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</li>
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<li>
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<h2 class="h2">Operation</h2>
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<select id="operation" class="select">
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<option value="count">COUNT</option>
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<option value="sum">SUM</option>
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<option value="avg">AVG</option>
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<option value="max">MAX</option>
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<option value="min">MIN</option>
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</select>
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</li>
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</ul>
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<button onclick="applyDataviewChanges()" class="button open-sans text-blue"><b>Apply</b></button>
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<button onclick="provokeError()" class="button button-error open-sans text-red"><b>Provoke error</b></button>
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<pre class="code" id="data"></pre>
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</div>
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<aside class="toolbox">
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<div class="box">
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<header>
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<h1>Status and error handling</h1>
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<button class="github-logo js-source-link"></button>
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</header>
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<section>
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<p class="description open-sans">Manage the status and erros in dataviews.</p>
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<div class="separator"></div>
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<section class="usage">
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<header>USAGE</header>
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<p class="open-sans">Apply submits the form. Provoke error sends a wrong column.</p>
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</section>
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<div id="controls">
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<div id="info"></div>
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</div>
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</section>
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<footer class="js-footer"></footer>
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</div>
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</aside>
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<script>
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const client = new carto.Client({
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apiKey: 'default_public',
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username: 'cartojs-test'
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});
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const source = new carto.source.Dataset(`
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ne_10m_populated_places_simple
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`);
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const formulaDataview = new carto.dataview.Formula(source, 'pop_max', {
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operation: carto.operation.COUNT
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});
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let data;
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formulaDataview.on('dataChanged', newData => {
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data = JSON.stringify(newData, null, 4);
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setText(data);
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});
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formulaDataview.on('error', error => {
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setText(error.message);
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});
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formulaDataview.on('statusChanged', status => {
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if (status === carto.dataview.status.LOADING) {
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setText('Loading...');
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} else if (status === carto.dataview.status.LOADED && data) {
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setText(data);
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}
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});
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client.addDataview(formulaDataview);
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function applyDataviewChanges() {
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const column = document.getElementById('column').value;
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const operation = document.getElementById('operation').value;
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formulaDataview.setColumn(column);
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formulaDataview.setOperation(operation);
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}
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function provokeError () {
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formulaDataview.setColumn('wrongcolumn');
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}
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function setText (text) {
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document.getElementById('data').innerHTML = text;
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}
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</script>
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</body>
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</html>
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