[Chameleon-dev] [Bug 1403] New: UpdateMap.php SCALE_ZOOM code block location

bugzilla-daemon at bugzilla.maptools.org bugzilla-daemon at bugzilla.maptools.org
Wed Apr 5 10:21:47 EDT 2006


           Summary: UpdateMap.php SCALE_ZOOM code block location
           Product: Chameleon
           Version: 2.4
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Core
        AssignedTo: chameleon-dev at lists.maptools.org
        ReportedBy: mcgrawj at agr.gc.ca

There is a note in UpdateMap.php around line 237:

//scale zoom : ?? should be in nav tools
if (isset( $HTTP_FORM_VARS["SCALE_ZOOM"]) &&

We didn't know if it should be in NavTools.php or not, but for our application 
we did move it up into the NAV_CMD block directly above where it is currently 
located. It seemed more properly grouped with them and we found we were getting 
some errors zooming when using the scale_zoom because it was setting the hidden 
variables for BuildHTMLOutputMapExtentsChanged($oMap); twice somehow.

Anyway, we moved the block into the NAV_CMD block above as follows:

/* -------------------------------------------------------------------- */
/*      Look for nav commands.                                          */
/* -------------------------------------------------------------------- */
if (isset($HTTP_FORM_VARS["NAV_CMD"]) && $HTTP_FORM_VARS["NAV_CMD"] != "")

        isset( $HTTP_FORM_VARS["SCALE_ZOOM"]) &&
        $HTTP_FORM_VARS["SCALE_ZOOM"] != "")
        $oWidget = new ScaleZoom();
        $oWidget->SetURL($oHttpFormVars, $HTTP_FORM_VARS);
        $_SESSION["gszCurrentState"] = $oMapSession->saveState();

    $szFormContents .= BuildHTMLOutputMapExtentsChanged($oMap);

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