Created
June 7, 2012 04:41
-
-
Save wangzuo/2886613 to your computer and use it in GitHub Desktop.
Dynamic Gist Embedding
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8" /> | |
<title>Dynamic Gist Embedding</title> | |
</head> | |
<body> | |
<p> | |
<label for="gistList">Gists</label> | |
<select id="gistList"> | |
<option value="">Select a Gist</option> | |
<option value="906758">Get a Twitter user's avatar using PHP</option> | |
<option value="785770">How to PHP regex match an HTML document's title</option> | |
<option value="785766">How to PHP regex match an HTML document's meta description</option> | |
</select> | |
</p> | |
<div id="gistZone"></div> | |
<script type="text/javascript"> | |
document.getElementById("gistList").onchange = function(e) { | |
if (e.target.value) { | |
// Create an iframe, append it to this document where specified | |
var gistFrame = document.createElement("iframe"); | |
gistFrame.setAttribute("width", "100%"); | |
gistFrame.id = "gistFrame"; | |
var zone = document.getElementById("gistZone"); | |
zone.innerHTML = ""; | |
zone.appendChild(gistFrame); | |
// Create the iframe's document | |
var gistFrameHTML = '<html><body onload="parent.adjustIframeSize(document.body.scrollHeight)"><scr' + 'ipt type="text/javascript" src="https://gist.github.com/' + e.target.value + '.js"></sc'+'ript></body></html>'; | |
// Set iframe's document with a trigger for this document to adjust the height | |
var gistFrameDoc = gistFrame.document; | |
if (gistFrame.contentDocument) { | |
gistFrameDoc = gistFrame.contentDocument; | |
} else if (gistFrame.contentWindow) { | |
gistFrameDoc = gistFrame.contentWindow.document; | |
} | |
gistFrameDoc.open(); | |
gistFrameDoc.writeln(gistFrameHTML); | |
gistFrameDoc.close(); | |
console.log("iframe added"); | |
} | |
} | |
function adjustIframeSize(newHeight) { | |
var i = document.getElementById("gistFrame"); | |
i.style.height = parseInt(newHeight) + "px"; | |
console.log("size adjusted", newHeight); | |
} | |
</script> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment