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APEX Tips

Oracle Tips by Burleson Consulting

Focusing The Cursor after a Refresh

While developing in APEX, you may eventually develop a form that is too long to fit on your screen.    If a screen refresh is part of your processing, the screen will display starting at the top again forcing the user to scroll down to his place.   To solve this problem, you can make use of buttons to “anchor” the screen.   This will make the browser scroll down for the user!

Anchor points are used to set points within the web page to refocus to in needed.  When set, they can be called by using specifying the point the URL using the following format:

http://<site>/pls/htmldb/f?p....#<anchor point>

First, you need to set anchor points but specifying address tags in the Region Name or Button name.   For example, for a region named address, we may want to create a tag with the title “ADDRESS”.    

 

You will need to repeat this for each of the anchor points you wish to define.    You may use these address tag on buttons as well.

Next you need to define a hidden item to hold the name of the anchor address points.  In this case, we are creating a hidden item called P1_BOOKMARK.  

Next Computations will need to be created to set the P1_BOOKMARK.   Here we set the P1_BOOKMARK to be equal to #ADDRESS for the anchor point.

Lastly we need so uses a Javascript in order to have the browser move to the anchor point.   We will set this in the HTML Header for the page.  The Javascript is:

<script type="text/javascript"><!--

   var s="&P200_BOOKMARK.";

   if (s.length!=0){

      window.location = "&P200_BOOKMARK.";

   }

//-->

</script>

 This is an easy and effective technique to employ in order to save the user from having to keep re-scrolling down the screen.  


APEX support:

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