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Implementation of carousel in php/html. It receives 2 parameters: time and links (links must be encoded in base64 and separated by ,). Example: path/grafana-carousel.php?time=...&links=...
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| <?php | |
| function formatLinks($inputString) { | |
| $linksArray = explode(",", $inputString); | |
| foreach ($linksArray as &$link) { | |
| $link = trim($link); | |
| $link = '"' . $link . '"'; | |
| } | |
| $formattedLinks = implode(", ", $linksArray); | |
| return $formattedLinks; | |
| } | |
| if ( $_GET && isset($_GET["time"]) && isset($_GET["links"])) | |
| { | |
| $time = $_GET["time"] * 1000; | |
| $links = formatLinks( | |
| base64_decode( | |
| $_GET["links"] | |
| ) | |
| ); | |
| }else{ | |
| echo "Error: no se anexarón los parametros (time o links) en la petición."; | |
| exit; | |
| } | |
| ?> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Carousel Dinamico Grafana</title> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> | |
| <style type="text/css"> | |
| body, html { | |
| margin: 0; | |
| padding: 0; | |
| height: 100%; | |
| overflow: hidden; | |
| background: #FFFFFF; | |
| } | |
| .content { | |
| position: absolute; | |
| left: 0; | |
| right: 0; | |
| bottom: 0; | |
| top: 0px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <iframe | |
| class="content" | |
| id="iframe1" | |
| src="" | |
| width="100%" | |
| height="100%" | |
| frameborder="0"></iframe> | |
| <iframe | |
| class="content" | |
| id="iframe2" | |
| src="" | |
| width="100%" | |
| height="100%" | |
| frameborder="0"></iframe> | |
| <script type="text/javascript"> | |
| const TIMEOUT = <?php echo $time; ?>; | |
| const dashboards_list = [<?php echo $links; ?>]; | |
| const iframe_1 = document.getElementById("iframe1"); | |
| const iframe_2 = document.getElementById("iframe2"); | |
| var index = 0; | |
| iframe_1.src = dashboards_list[index]; | |
| iframe_1.style.zIndex = 1; | |
| iframe_2.style.zIndex = 0; | |
| function load_next_url() { | |
| index = (index + 1) % dashboards_list.length; | |
| select_bottom().src = dashboards_list[index]; | |
| setTimeout(load_next_url, TIMEOUT); | |
| setTimeout(change_order, 3000); | |
| } | |
| function select_bottom() { | |
| if ( | |
| parseInt(iframe_1.style.zIndex, 10) > | |
| parseInt(iframe_2.style.zIndex, 10) | |
| ) { | |
| return iframe_2; | |
| } else { | |
| return iframe_1; | |
| } | |
| } | |
| function change_order() { | |
| if ( | |
| parseInt(iframe_1.style.zIndex, 10) > | |
| parseInt(iframe_2.style.zIndex, 10) | |
| ) { | |
| iframe_1.style.zIndex = 0; | |
| iframe_2.style.zIndex = 1; | |
| } else { | |
| iframe_1.style.zIndex = 1; | |
| iframe_2.style.zIndex = 0; | |
| } | |
| } | |
| setTimeout(load_next_url, TIMEOUT); | |
| </script> | |
| </body> | |
| </html> |
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