##Quick instructions:
- Make a canvas app that loads the VF page VisualForceIFrameWrapper.page and pre-approve it for all profiles
- Add that canvas app to your page layout
- Profit
Last active
May 5, 2017 12:51
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Self-resizing iframes for Salesforce
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| <html> | |
| <head> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script> | |
| </head> | |
| <body> | |
| <div style="height:300px;">hello</div> | |
| <script> | |
| window.addEventListener('message',function(event) { | |
| //if(event.origin !== 'https://davidwalsh.name') return; | |
| console.log('message received: ' + event.data,event); | |
| var height = $('html').height(); | |
| event.source.postMessage(height + 'px',event.origin); | |
| },false); | |
| </script> | |
| </body> | |
| </html> |
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| <apex:page standardController="Account" tabStyle="Account" showHeader="false" sidebar="false"> | |
| <!-- Begin Default Content REMOVE THIS --> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script> | |
| <script src="/canvas/sdk/js/canvas-all.js" ></script> | |
| <script src="/canvas/sdk/js/publisher.js" ></script> | |
| <iframe id="iframe" src="https://dcinzona.github.io/iframe_poc/index.html" frameborder="false" height="200px" width="100%"></iframe> | |
| <script> | |
| $(function(){ | |
| // Gets a signed request on demand. | |
| Sfdc.canvas.client.refreshSignedRequest(function(data) { | |
| if (data.status === 200) { | |
| var signedRequest = data.payload.response; | |
| var part = signedRequest.split('.')[1]; | |
| var obj = JSON.parse(Sfdc.canvas.decode(part)); | |
| console.log(obj); | |
| var iframe = $('#iframe'); | |
| //periodical message sender | |
| var domain = 'https://dcinzona.github.io'; | |
| var check = setInterval(function(){ | |
| var message = 'What size should I set?'; | |
| console.log('vfpage: sending message: ' + message); | |
| var frame = document.getElementById('iframe').contentWindow; | |
| frame.postMessage(message,domain); //send the message and target URI | |
| },1000); | |
| function receiveMessage(event){ | |
| console.log(event); | |
| if (event.origin !== "https://dcinzona.github.io") | |
| return; | |
| clearInterval(check); | |
| console.log(event.data); | |
| iframe.height(event.data); | |
| Sfdc.canvas.client.resize(obj.client, {height : event.data}); | |
| } | |
| window.addEventListener("message", receiveMessage, false); | |
| } | |
| }); | |
| }); | |
| </script> | |
| </apex:page> |
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