Linear Gauges

Linear gauges display a metric as a percentage of the length of a linear scale. They can be horizontal or vertical, depending on the setting of the direction property.

Use the controls below to see the effect of the main LinearGauge properties:

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; import * as input from '@mescius/wijmo.input'; import * as gauge from '@mescius/wijmo.gauge'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // create the gauge let theGauge = new gauge.LinearGauge('#theGauge', { isReadOnly: false, min: 0, max: 100, step: 5, value: 75, valueChanged: (s, e) => value.value = s.value, showRanges: false, ranges: [ { min: 0, max: 33, color: 'red' }, { min: 33, max: 66, color: 'yellow' }, { min: 66, max: 100, color: 'green' }, ] }); setDirection('Right'); // // change properties let value = new input.InputNumber('#value', { min: theGauge.min, max: theGauge.max, step: theGauge.step, value: theGauge.value, valueChanged: (s, e) => theGauge.value = s.value }); let direction = new input.ComboBox('#direction', { itemsSource: 'Left,Right,Up,Down'.split(','), text: 'Right', textChanged: (s, e) => setDirection(s.text) }); // function setDirection(dir) { let g = theGauge.hostElement.style; // theGauge.direction = dir; // switch (dir) { case 'Left': case 'Right': g.height = '2em'; g.width = '100%'; break; case 'Up': case 'Down': g.height = '100%'; g.width = '2em'; break; } } }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Linear Gauges</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <div class="row"> <div class="col-xs-6"> <div class="form-group"> <label for="value">value:</label> <div id="value"></div><br> </div> <div class="form-group"> <label for="direction">direction:</label> <div id="direction"></div><br> </div> </div> <div class="col-xs-6"> <div class="gauge-holder"> <div id="theGauge"></div> </div> </div> </div> </div> </body> </html>
.gauge-holder { display: flex; width: 80%; height: 200px; box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23); padding: 12px; } .wj-gauge { width: 100%; height: 100%; margin: auto auto; } .wj-combobox, .wj-inputnumber { width: 120px; } label { width: 100px; text-align: right; margin-right: 3px; } body { margin-bottom: 24pt; }
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