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If you have multiple views that link to the same documents, it can be convenient to return a user to the view they used to open a document when the document is submitted or closed.
One way to do this is to set the view name in the cookie whenever you leave the view, then use the cookie to reopen the last view by invoking some JavaScript to go to the last view.
In the onunload event of the $$ViewTemplate form, add the following code:
document.cookie = "lastView=" + escape (document.location)+";path=/";
Add the following functions to a script library or JSHeader:
function bk() {
var lastView =GetCookie("lastView");
if (lastView) {top.document.location=
lastView; return}
history.go(-2);
}
function getCookieVal (offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1) { endstr =
document.cookie.length; }
return unescape(document.
cookie.substring(offset, endstr));
}
function GetCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg) {
return getCookieVal (j);
}
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}
In the $$Return field, a cancel button, or another action, calls the "bk()" function. For example, you could put the following in the $$Return field: <script>bk();</script>
I prefer a different technique that doesn't require a cookie. When creating the link to open the document, add a URL parameter containing the name of the $$ViewTemplate alias. For example:
&form=. You can do this in a view column definition of the embedded view.
When creating the $$Return for the newly opened document use @UrlQueryString("form") to code the return link to open the calling form -- no cookie needed. For example:
$$Return (set FormName to the URL Parameter value &form=) "<SCRIPT language=\"JavaScript\ ">javascript:window.location=\"http://" + Server_Name + "/" + dbName + "/" + FormName + "?OpenForm"+ "\"</SCRIPT>"
—Douglas F.
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This was first published in February 2005