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52 lines
1.5 KiB
JavaScript
52 lines
1.5 KiB
JavaScript
'use strict';
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/// Create an overlay with an iframe, the iframe's source is [url]. This also
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/// creates an (x) button to hide the overlay.
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function run_flutter_app(url) {
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let id = compute_iframe_id(url);
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create_overlay();
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if (!$('#' + id).length) {
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$('#flutter-app-overlay').append($(
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`<iframe id="${id}" class="flutter-app" src="${url}"></iframe>`
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));
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}
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$('#flutter-app-overlay').addClass('active');
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$('#' + id).addClass('active');
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}
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function open_code_listings(id) {
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create_overlay();
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if (!$('#flutter-app-overlay #' + id).length) {
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$('#' + id).appendTo($('#flutter-app-overlay'));
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}
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$('#flutter-app-overlay').addClass('active');
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$('#' + id).addClass('active');
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}
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function create_overlay() {
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if (!$('#flutter-app-overlay').length) {
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$('body').append($(`
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<div id="flutter-app-overlay">
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<button id="flutter-app-close-button" onclick="close_flutter_app()">✖</button>
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</div>`
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));
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}
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}
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/// Handler for the (x) close button on an app iframe.
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function close_flutter_app() {
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$('#flutter-app-overlay > iframe').removeClass('active');
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$('#flutter-app-overlay > div').removeClass('active');
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$('#flutter-app-overlay').removeClass('active');
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}
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/// Convert a URL such as '_static/app/tutorial1/index.html?page1' into a string
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/// that can be used as an id: 'app-tutorial1-index-html-page1'.
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function compute_iframe_id(url) {
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if (url.startsWith('_static/')) {
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url = url.substr(8);
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}
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let matches = url.matchAll(new RegExp('\\w+', 'g'));
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return Array.from(matches, m => m[0]).join('-');
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}
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