Create Document Web App Modal

CreateDocumentWebApp.js

/*
CreateDocument.aspx is in frame with window.frameElement.commitPopup(url) and cancelPopup() 
Fix:
create window.on("message | createDocument") that 
starts CreateDocument.aspx diaglog in context of SharePoint docLib page.

*/


//Using a generic object.
var options = {
    title: "My Dialog Title",
    width: 400,
    height: 600,
    dialogReturnValueCallback: function(dialogResult, returnValue){
        console.log(dialogResult);
        console.log(returnValue); 
        // if canceled dialogResult = 0, returnValue = null
        // if created (OK clicked), dialogResult = 1 and returnValue = https://tenant.sharepoint.com/sites/site/_layouts/15/WopiFrame.aspx?sourcedoc=%2Fsites%2Fsite%2FShared%20Documents%2FCreated%20from%20Dialog%20Check%20Return%20Callback%2Edocx&action=editnew&IsDlg=1
        if(dialogResult === 1 ) {
            location.href = returnValue;
            // or __doPostBack()
        }
    },    
    url:"https://tenant.sharepoint.com/sites/site/_layouts/15/CreateNewDocument.aspx"+
        "?id=https://tenant.sharepoint.com/sites/site/Shared Documents/Forms/template.dotx"+
        "&RootFolder=/sites/site/Shared Documents/For Admins&SaveLocation=/sites/site/Shared Documents"+
        "&IsDlg=1"+
        "&Source=/sites/site/Shared Documents" 
};

// window.postMessage("createDocument", {ur;"..."})
SP.UI.ModalDialog.showModalDialog(options);

/*
After ModalDialog closed, run:
*/
WebForm_DoPostBackWithOptions(
  new WebForm_PostBackOptions(
    "ctl00$PlaceHolderMain$buttonSectionMain$RptControls$buttonOK", 
    "", 
    true, 
    "", 
    "", // actionUrl !important 
    false, 
    true)
)
/**/