I am using a stored process with streaming output on SAS9.4 M2 to generate a html page containing a chart. I want to make the chart title clickable to enable a further stored process to be run and it's resulting html rendered. To do this I have used an annotation dataset to add a link to the output of proc sgplot and positioned it at the tope where the chart title might normally be drawn. The problem I have is that every time the link is clicked the results open in a new tab, whereas I want them to replace the page in my existing tab. It seems to me that proc sgplot is adding target=_Blank to the link its generating and I want to use target=_self, is there a way to control this that I've missed?
The stored process looks like so
*processbody;
%symdel _program;
%macro mplot_chart(lprefix=);
/*This chart annotation functions as a clickable link*/
data &lprefix._annotation;
length function $ 8 url $ 255 anchor $ 5;
function="text";
label="&lprefix Chart Title";
url=cats("&_THISSESSION",'&_PROGRAM','=%2FMyMetadatafolder%2Fshowdetails&inprefix=',
"&lprefix");
textstyleelement="GraphTitleText";
textcolor="blue";
width=100;
anchor="top";
y1=100;
drawspace="GraphPercent";
output;
run;
/*Create the plot*/
proc sgplot data=save.&lprefix._plotdata
sganno=&lprefix._annotation pad=(top=25px);
series x=utcdatetime y=var1;
series x=utcdatetime y=var2 / lineattrs=(color=red);
run;
%mend mplot_chart;
ods graphics on / imagemap=on;
ods graphics / width=3.5in height=2.5in;
ods layout gridded columns=4 advance=table;
title;
%mplot_chart(lprefix=Location1);
%mplot_chart(lprefix=Location2);
title;
ods layout end;
ods graphics / reset;
/*ods html text="</div>";*/
%stpend;
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