RE: ToolTip with LinkLayer

Pradeep,

Try using an transparent fill color for the countries? :)

I don't know how openmap decides the "z-order" of how graphics are
painted.

--
Mark Bucciarelli    Peregrine Systems, Inc.       R&D, Boston
(413) 253-0020      mbucciarelli@peregrine.com    Yahoo: m_bucciarelli
http://www.peregrine.com 
> -----Original Message-----
> From: PRADEEP RAMACHANDRAN [mailto:arpradeep@lycos.com]
> Sent: Friday, July 06, 2001 8:48 AM
> To: openmap-users@bbn.com
> Subject: RE: ToolTip with LinkLayer 
> 
> 
> Thanks Mark,
> 
> I did use the findClosest with the LinkLayer registered for 
> the SelectMouseMode, but what I couldn't retreive corretcly 
> on the client( LinkLayer ) was the AppObject for the 
> LinkOMGraphicList, even though I was setting it for the 
> graphics from the server.
> 
> That was when the LinkProperties came handy, I added the 
> String I required displayed as a ToolTip as a LPC_GRAPHICID ( 
> any key would do ) property to the LinkProperties before the 
> LinkServer wrote the graphics onto the Link.
> 
> Then from client I could use the findClosest and then use the 
> getProperty for the LPC_GRAPHICID key on the closest 
> graphic.With the value retreived I could fire an InfoLine 
> message or a ToolTip.
> 
> What I am looking at now is to bring to front any OMText 
> objects that I add with the LinkOMGraphicList. These are 
> added to the graphic list during a MouseEvent, say a mouse 
> click . But they seem to be covered by the graphics for the 
> countries. 
> 
> Any thoughts ... ?!
> 
> Regards,
> Pradeep.
> 
> --
> 
> On Thu, 5 Jul 2001 07:46:30   
>  Mark Bucciarelli wrote:
> >To get the layer to respond to mouse events in SelectMouseMode, add
> >that mode to the array returned by the getMouseModeServiceList() 
> >method.  I think you have to create your own layer subclass to do 
> >this.
> >
> >Once the layer responds to SelectMouseMode events you can customize
> >the MouseMoved(MouseEvent) method for that layer to fire a tool
> >tip request, something like this:
> >
> >  public boolean mouseMoved(MouseEvent evt)
> >  {
> >    if (!isVisible()) return false;
> >    Location loc = findClosestLocation(evt);
> >    if (loc != null)
> >    {
> >      InfoDisplayEvent info = new InfoDisplayEvent(this, 
> loc.getName());
> >      fireRequestToolTip(evt, loc.getName());
> >    }
> >    else
> >      fireHideToolTip(evt);
> >
> >    return loc == null;
> >  }
> >
> >This code is for a location layer, so there may not be an equivalent 
> >method to findClosestLocation() (findClosestLink()?).  Also, the 
> >SelectMouseMode is set to consume events, so if some other object is
> >registered higher in the queue than the layer, and that 
> object consumes
> >the mouseMoved event, the layer will not get it.  What I did to get 
> >around this was to modify the NavMouseMode class to not 
> consume events.
> >It's a hack, I probably should subclass to do this right.
> >
> >What's cool about this is that once you dig in this far, you can mess
> >around with all the other mouse events, and do things like 
> fire pop-up 
> >menu on a right click and whatever else UI candy you can think of.
> >
> >--
> >Mark Bucciarelli    Peregrine Systems, Inc.       R&D, Boston
> >(413) 253-0020      mbucciarelli@peregrine.com    Yahoo: 
> m_bucciarelli
> >http://www.peregrine.com 
> >
> >> -----Original Message-----
> >> From: PRADEEP RAMACHANDRAN [mailto:arpradeep@lycos.com]
> >> Sent: Thursday, July 05, 2001 10:13 AM
> >> To: openmap-users@bbn.com
> >> Subject: ToolTip with LinkLayer 
> >> 
> >> 
> >> Hello,
> >> 
> >> Can the LinkLayer be made to fireToolTip messages
> >> or InfoLine messages when in SelectMouseMode. I am
> >> looking for a functionality similar to that in the
> >> AreaShapeLayer where the abbreviated country names
> >> appear on the InformationDelegator in gesture mode.
> >> 
> >> Would it be correct to say that the only way to have
> >> this done would be to associate an AppObject with the 
> >> LinkOMGraphicList for the LinkServer and have the  
> >> names created from reading a CSVFile record for the 
> >> corresponding shapefile record? 
> >> 
> >> I couldn't figure out what to expect when the Gestures
> >> mode is active in the LinkLayer. Is there some behaviour
> >> that can be observed for the layer when in gesture mode?
> >> 
> >> Thanks,
> >> Pradeep.
> >> 
> >> 
> >> 
> >> Get 250 color business cards for FREE!
> >> http://businesscards.lycos.com/vp/fastpath/
> >> 
> >> --
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> >> 
> >
> 
> 
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> 
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