https://www.langkampfen.at/cdnstatic/system/Javascriptz/ris/iFrameMessageAPI.js

1window.addEventListener("message", function(e) {
2	if(!e.data) {
3		return;
4	} else if (e.data.function && e.data.trigger && e.data.value) {
5		switch(e.data.function) {
6			case "getScrollHeight":
7				document.getElementById(e.data.trigger).height = e.data.value;
8				break;
9			default:
10				console.error("RIS Message API wurde falsch verwendet! [ERROR: Funktion nicht definiert]");
11				break;
12		}
13	}
14});
15
16var iFramesToResize = document.querySelectorAll("iframe.jsResizeIframe");
17
18for (var idx = 0; idx < iFramesToResize.length; idx++) {
19	var curIframe = iFramesToResize[idx];
20
21	curIframe.height = 256;
22	curIframe.style.background = "transparent url('https://cdnfile.riskommunal.net/cdnstatic/system/Javascriptz/ris/iFrameLoading.svg') no-repeat center center";
23	curIframe.style.backgroundSize = "3em";
24	curIframe.addEventListener("load", function(e) {
25		curIframe.style.background = "";
26		curIframe.style.backgroundSize = "";
27		setTimeout(function(curIframe) {
28			var request = {
29				"function": "getScrollHeight",
30				"trigger": curIframe.id
31			}
32
33			curIframe.contentWindow.postMessage(request,'*');
34		}, 256, curIframe);
35	});
36}