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example-api-save-state.html
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example-api-save-state.html
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<!DOCTYPE html>
<html>
<head>
<title>API for file saving</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="navigation.js"></script>
</head>
<body>
<div>
<h1>API for file saving</h1>
<p>This is an example of saving and loading a GeoGebra applet into and from
<a href="https://en.wikipedia.org/wiki/Base64">Base64</a> format.</p>
<script type="text/javascript" src="https://cdn.geogebra.org/apps/deployggb.js"></script>
<script type="text/javascript">
var parameters = {
"width": 550,
"height": 245,
"showToolBar": true,
"borderColor": null,
"showMenuBar": false,
"showAlgebraInput": false,
"customToolbar": "0 || 1",
"showResetIcon": true,
"enableLabelDrags": false,
"enableShiftDragZoom": true,
"enableRightClick": false,
"capturingThreshold": null,
"showToolBarHelp": true,
"errorDialogsActive": true,
"useBrowserForJS": false,
"ggbBase64": "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"
};
var applet = new GGBApplet(parameters, '5.0');
// when used with Math Apps Bundle, uncomment this:
// applet.setHTML5Codebase('GeoGebra/HTML5/5.0/web/');
window.onload = function () {
applet.inject('applet_container');
}
function saveGgbFile() {
console.log({
methods: Object.keys(ggbApplet),
"ggbApplet.getFileJSON": ggbApplet.getFileJSON,
res: ggbApplet.getFileJSON()
})
document.getElementById("Base64").value = JSON.stringify(ggbApplet.getFileJSON(), null,
4);
}
function loadGgbFile() {
ggbApplet.setFileJSON(document.getElementById("Base64").value);
}
</script>
<div id="applet_container"></div>
The <b>Save</b> and <b>Load</b> links below show how you can save the construction to the server.<br>
To make this example self-contained, actual server was replaced by a textfield below the links.
<ul>
<li><a href="javascript:saveGgbFile()">Save</a>
<li><a href="javascript:loadGgbFile()">Load</a>
</ul>
<p>In a real setting, content of the following textfield will be stored in a database or file on the
server:</p>
<textarea name="Base64" id="Base64" cols=66 rows=8></textarea>
</div>
</body>
</html>