mirror of https://github.com/jstrieb/urlpages.git
129 lines
2.9 KiB
JavaScript
129 lines
2.9 KiB
JavaScript
/**
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* editor/editor.js: the main code that runs what is referred to as the "editor"
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* in the documentation
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*/
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/***
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* Helper functions
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***/
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/* Return the HTML string for the page */
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function getHTML(data) {
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// Generate an HTML page from the contents of each <textarea>
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var pageData =
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`
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<!DOCTYPE html>
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<head>
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<style>
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${data["css"]}
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</style>
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<script type="text/javascript">
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${data["js"]}
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</scr` +
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// This has to be broken up because otherwise it is recognized as the main
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// document's end script tag
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`ipt>
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</head>
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<body>
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${data["html"]}
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</body>
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`;
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return pageData;
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}
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/* Return a link to view the page */
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function getViewLink(pageData) {
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return `http://jstrieb.github.io/urlpages/#${b64.encode(pageData)}`;
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}
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/***
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* Button press functions
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***/
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/* Set the TinyUrl form hidden 'url' field to the view URL */
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function setViewUrl() {
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var data = {
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"css" : document.getElementById("css").value,
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"js" : document.getElementById("javascript").value,
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"html" : document.getElementById("html").value
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};
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var html = encodeURIComponent(getHTML(data));
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// Update the URL for the "Short Link" button
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document.getElementById("url").value = getViewLink(html);
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}
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/* Set the TinyUrl form hidden 'url' field to the code URL */
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function setCodeUrl() {
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document.getElementById("url").value = window.location.href;
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}
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/* Show a prompt with the HTML page data so the user can copy the code */
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function showCopyCodePrompt() {
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var data = {
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"css" : document.getElementById("css").value,
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"js" : document.getElementById("javascript").value,
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"html" : document.getElementById("html").value
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};
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var html = getHTML(data);
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window.prompt("Copy to clipboard: ", html)
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}
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/***
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* Main procedure functions
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***/
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/* Run once when the page is loaded */
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function initialize() {
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// Get page data from the URL and load it into the boxes
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if (window.location.hash) {
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var encoded = window.location.hash.slice(1);
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var json = b64.decode(encoded);
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var data = JSON.parse(json);
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document.getElementById("css").value = data["css"];
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document.getElementById("javascript").value = data["js"];
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document.getElementById("html").value = data["html"];
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}
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update();
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}
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/* Run each time a key is pressed on a text box */
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function update() {
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var data = {
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"css" : document.getElementById("css").value,
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"js" : document.getElementById("javascript").value,
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"html" : document.getElementById("html").value
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};
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var html = getHTML(data);
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// Save encoded page data to the URL
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window.location.hash = "#" + b64.encode(JSON.stringify(data));
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// Update the URL for the "Get Link" button
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document.getElementById("getLinkLink").href = getViewLink(html);
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// Update the download link
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document.getElementById("downloadLink").href = `data:text/html,${html}`
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// Update the <iframe> to display the generated page
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window.frames[0].location.replace(`data:text/html;charset=utf-8;base64,${b64.encode(html)}`);
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}
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