Hey- Andrea Battisti wrote: > Hi All, > > > there is a small glitch on the ScaleLine Control: > http://dev.openlayers.org/releases/OpenLayers-2.7/lib/OpenLayers/Control/ScaleLine.js >
Thanks for the information. This looks to be a decent solution to a real problem. Please create a ticket and include all information required to duplicate (and fix) the issue if possible. http://trac.openlayers.org/wiki/FilingTickets Thanks, Tim > The "update" function computes the width of the scale element without > checking if the element is visible. > > > /* works */ > scaleControl = new OpenLayers.Control.ScaleLine(); > > /* triggers a runtime error on IE (tried on IE 6, 7 and 8) */ > scaleControl = new OpenLayers.Control.ScaleLine( { bottomOutUnits: "", > bottomInUnits: "" } ); > > > > A simple workaround would be to compute the top and bottom elements > width only if they are visible: > > topPx = 0; bottomPx = 0; > > if ( this.eTop.style.visibility == "visible" ) > { > var topMax = maxSizeData / inches[topUnits]; > // and to map units units > var topRounded = this.getBarLen(topMax); > // now trim this down to useful block length > topMax = topRounded / inches[curMapUnits] * > inches[topUnits]; // and back to display units > topPx = topMax / res; > // and to pixel units > } > > if ( this.eBottom.style.visibility == "visible" ) > { > var bottomMax = maxSizeData / inches[bottomUnits]; > // and to map units units > var bottomRounded = this.getBarLen(bottomMax); > // now trim this down to useful block length > bottomMax = bottomRounded / inches[curMapUnits] * > inches[bottomUnits]; // and back to display units > bottomPx = bottomMax / res; > // and to pixel units > } > > > > Best Regards, > -- Tim Schaub OpenGeo - http://opengeo.org Expert service straight from the developers. _______________________________________________ Dev mailing list Dev@openlayers.org http://openlayers.org/mailman/listinfo/dev
