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websocket_text_file_export.html
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websocket_text_file_export.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="mobile-web-app-capable" content="yes" />
<meta name="HandheldFriendly" content="true" />
<title>Word Export with iink</title>
<link rel="stylesheet" href="../assets/style/reset.css" />
<link rel="stylesheet" href="../assets/style/components.css" />
<link rel="stylesheet" href="../assets/style/examples.css" />
<style>
#editor {
height: calc(100vh - 66px);
}
@media only screen and (max-width: 499px) {
#editor {
height: calc(100vh - 114px);
}
}
@media only screen and (max-width: 329px) {
#editor {
height: calc(100vh - 161px);
}
}
</style>
<script
src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.8/FileSaver.min.js"
integrity="sha256-FPJJt8nA+xL4RU6/gsriA8p8xAeLGatoyTjldvQKGdE="
crossorigin="anonymous"
></script>
<script type="text/javascript" src="../../dist/iink.min.js"></script>
</head>
<body>
<nav class="flex-container between wrap gap">
<div class="flex-container wrap gap">
<button id="clear" class="nav-btn btn-fab-mini btn-lightBlue" disabled>
<img src="../assets/img/clear.svg" />
</button>
<button id="undo" class="nav-btn btn-fab-mini btn-lightBlue" disabled>
<img src="../assets/img/undo.svg" />
</button>
<button id="redo" class="nav-btn btn-fab-mini btn-lightBlue" disabled>
<img src="../assets/img/redo.svg" />
</button>
</div>
<div class="flex-container wrap gap">
<select id="exportType"></select>
<button class="classic-btn" id="exportContent" disabled>Export to file</button>
</div>
</nav>
<div id="editor" touch-action="none"></div>
<script>
const editorElement = document.getElementById("editor");
const undoElement = document.getElementById("undo");
const redoElement = document.getElementById("redo");
const clearElement = document.getElementById("clear");
const exportElement = document.getElementById("exportContent");
let editor;
editorElement.addEventListener("changed", (event) => {
undoElement.disabled = !event.detail.canUndo;
redoElement.disabled = !event.detail.canRedo;
exportElement.disabled = event.detail.isEmpty;
clearElement.disabled = event.detail.isEmpty;
});
async function loadEditor() {
const res = await fetch("../server-configuration.json");
const conf = await res.json();
const options = {
configuration: {
server: {
...conf,
protocol: "WEBSOCKET"
}
}
};
/**
* Instanciate editor
* @param {Element} The DOM element to attach the ink paper
* @param {Object} The Editor parameters
*/
editor = new iink.Editor(editorElement, options);
/**
* async initialize editor behaviors
*/
await editor.initialize();
const toBlob = (data, mimeType) => new Blob([data], { type: mimeType });
const base64toBlob = (data, mimeType) => {
const byteCharacters = window.atob(data);
const byteNumbers = new Array(byteCharacters.length);
for (let i = 0; i < byteCharacters.length; i++) {
byteNumbers[i] = byteCharacters.charCodeAt(i);
}
const byteArray = new Uint8Array(byteNumbers);
return toBlob(byteArray, mimeType);
};
const exportFileType = {
word: {
mimeType: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
transform: base64toBlob,
name: "Word (docx)",
extension: "docx"
},
html: {
mimeType: "text/html",
name: "HTML",
transform: toBlob,
extension: "html"
},
png: {
mimeType: "image/png",
transform: base64toBlob,
name: "PNG",
extension: "png"
},
jpeg: {
mimeType: "image/jpeg",
transform: base64toBlob,
name: "JPEG",
extension: "jpg"
}
};
const selectElement = document.getElementById("exportType");
for (const exportType in exportFileType) {
const optionElement = document.createElement("option");
optionElement.value = exportType;
optionElement.innerText = exportFileType[exportType].name;
selectElement.appendChild(optionElement);
}
editorElement.addEventListener("exported", (evt) => {
const fileType = exportFileType[selectElement.options[selectElement.selectedIndex].value];
if (evt && evt.detail && evt.detail[fileType.mimeType]) {
window.saveAs(fileType.transform(evt.detail[fileType.mimeType], fileType.mimeType), `myDocument.${fileType.extension}`);
}
});
undoElement.addEventListener("click", () => {
editorElement.editor.undo();
});
redoElement.addEventListener("click", () => {
editorElement.editor.redo();
});
clearElement.addEventListener("click", () => {
editorElement.editor.clear();
});
exportElement.addEventListener("click", () => {
const mimeType = exportFileType[selectElement.options[selectElement.selectedIndex].value].mimeType;
editorElement.editor.export([mimeType, "application/vnd.myscript.jiix"]);
});
window.addEventListener("resize", () => {
editorElement.editor.resize();
});
};
loadEditor().catch(error => console.error(error));
</script>
</body>
</html>