[OpenLayers-Users] Re: Popups appear on every click?

[Ravi Pavuluri]

Work around for 1 can be found here.
http://www.mail-archive.com/openlayers-users@lists.osgeo.org/msg03169.html



________________________________
From: Gary Nobles <garynobles at yahoo.com>
To: users at openlayers.org
Sent: Wednesday, June 29, 2011 3:47 PM
Subject: [OpenLayers-Users] Re: Popups appear on every click?

Sorry tabs in my code:

My code is at the base of this post.

1) I am also having the problem where I have specified the layer to be
queried [settlements] but it still brings up a blank popup for a 'non
feature', I couldn't get this work around to work and i have been stuck on
this for days.

2) Also I am trying to get the hover to work so:
     a)you hover over a point and it shows
     b)you move outside of the popup up and it closes

Every method I find I can't get to work, any help is as always very much
welcomed.

Gary



var map;

      
function init(){
    var bounds = new OpenLayers.Bounds(
        14000, 305900,
        277000, 610500
        );
                //WSEN
    var options = {
        controls: [],
        maxExtent: bounds,
        maxResolution: 1219.2140625,
        projection: "EPSG:28992",
        units: 'm'
        };

    map = new OpenLayers.Map('map', {controls: [
        new OpenLayers.Control.Navigation(),
        new OpenLayers.Control.ArgParser(),
        new OpenLayers.Control.Attribution(),
        new OpenLayers.Control.OverviewMap()
        ]
        });

    var overview = new OpenLayers.Control.OverviewMap({
        size:new OpenLayers.Size(200,200),
        projection: new OpenLayers.Projection("EPSG:28992"),
        units: "m",
        maxResolution: 610,
        maxExtent: bounds,
        restrictedExtent: bounds
        });
      
    //Base Layers
    provincie_04 = new OpenLayers.Layer.WMS("Provinces",
"http://www.singlegrave.nl:8080/geoserver/wms",
{layers:"provincie_04"},options);
    Palaeo2750 = new OpenLayers.Layer.WMS("Palaeogeography 2750 BC",
"http://www.singlegrave.nl:8080/geoserver/wms", {layers:"2750vc"},options);
    Palaeo1500 = new OpenLayers.Layer.WMS("Palaeogeography 1500 BC",
"http://www.singlegrave.nl:8080/geoserver/wms", {layers:"1500vc"},options);
    Palaeo3850 = new OpenLayers.Layer.WMS("Palaeogeography 3850 BC",
"http://www.singlegrave.nl:8080/geoserver/wms", {layers:"3850vc"},options);

    //Data Layers
    settlements = new OpenLayers.Layer.WMS("Settlements",
"http://www.singlegrave.nl:8080/geoserver/wms",
{layers:"Neolithic_settlements",transparent:"true", format:
"image/png"},options,{isBaseLayer: false});
      
    //add layers
    map.addLayer(provincie_04);
    map.addLayer(Palaeo1500);
    map.addLayer(Palaeo2750);
    map.addLayer(Palaeo3850);
    map.addLayer(settlements);
      
    //pop up feature
    info = new OpenLayers.Control.WMSGetFeatureInfo({
        layerUrls: [('http://www.singlegrave.nl:8080/geoserver/wms')],
        title: 'Identify features by clicking',
        layers: [settlements],
        queryVisible: "true",
      
        //hover: true,
        //{'hover':{delay:500}},
        eventListeners: {
            getfeatureinfo: function(event) {
                map.addPopup(new OpenLayers.Popup.FramedCloud(
                    "chicken",
                    map.getLonLatFromPixel(event.xy),
                    null,
                    event.text,
                    null,
                    true
                    ));
                }
            }
        });

    map.addControl(info);
    info.activate();
      
     // build up all controls
    map.addControl(new OpenLayers.Control.PanZoomBar({
        position: new OpenLayers.Pixel(2, 15)
        }));
    map.addControl(new OpenLayers.Control.Navigation());
    map.addControl(new OpenLayers.Control.Scale($('scale')));
    map.addControl(new OpenLayers.Control.MousePosition({element:
$('location')}));
    map.addControl(new
OpenLayers.Control.LayerSwitcher({'div':OpenLayers.Util.getElement('layerswitcher')}));
    map.addControl(new OpenLayers.Control.MousePosition());
    map.addControl(overview);

    //map.addControl(new OpenLayers.Control.MouseToolbar());
    map.zoomToExtent(bounds);
    //map.zoomToMaxExtent();    
          
    // wire up the option button
    var options = document.getElementById("options");
    options.onclick = toggleControlPanel;
}


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