gistfile1.txt

var kml_layers = new Array();

/**
 * Process KML Layers
 *
 * @param layerOptions
 *   Object of options
 * @param mapid
 *   Map ID
 * @return
 *   Valid OpenLayers layer
 */
OL.Layers.KMLHTTP = function(layerOptions, mapid) {
  var mapOptions = {
    projection: new OpenLayers.Projection("EPSG:4326"),
    format: OpenLayers.Format.KML,
    strategies: [new OpenLayers.Strategy.BBOX()],
    formatOptions: {extractStyles: true, extractAttributes: true},
    protocol: new OpenLayers.Protocol.HTTP({
      url: layerOptions.url,
      format: new OpenLayers.Format.KML({
        extractStyles: true,
        extractAttributes: true})
      })
  };
  

  
  jQuery.extend(mapOptions, layerOptions.options);
  
  var returnKML = new OpenLayers.Layer.Vector(
    layerOptions.name, 
    mapOptions
  );
  kml_layers.push(returnKML);
  return returnKML;
}

var blockUnselect = false;

function onPopupClose(evt) {
    select.unselect(selectedFeature);
}
function onFeatureUnselect(feature) {
  if(!blockUnselect && null != feature.popup) {
    feature.layer.map.removePopup(feature.popup);
    feature.popup.destroy();
    feature.popup = null;
  }
}
function onFeatureSelect(feature) {
  selectedFeature = feature;
  text = "<div class='febp_ol_popup_name'>"+feature.attributes.name+"</div>";
  popup = new OpenLayers.Popup.Anchored(
    "views_kml_openlayers", 
    feature.geometry.getBounds().getCenterLonLat(),
    null,
    text,
    feature.marker,
    false, onPopupClose);
  popup.setBackgroundColor('#ffffff');
  popup.setBorder('1px solid #A7B9C4');
  popup.autoSize = true;
  $(popup.contentDiv).hover(
    function() {
      blockUnselect = true;
      },
    function() {
      blockUnselect = false;
      onFeatureUnselect(selectedFeature)
    });
  feature.popup = popup;
  feature.layer.map.addPopup(popup);
}

String.prototype.unescapeHtml = function () {
    var temp = document.createElement("div");
    temp.innerHTML = this;
    var result = temp.childNodes[0].nodeValue;
    temp.removeChild(temp.firstChild)
    return result;
}

function makeSelect(kml_layers){ 
  return new OpenLayers.Control.SelectFeature(
  kml_layers, // Apply to all feature layers
  {
    activeByDefault: true,
    onSelect: onFeatureSelect,
    highlightOnly: false,
    onUnselect: onFeatureUnselect,
    clickFeature: onClickFeature,
    multiple: false, 
    hover: true,
    callbacks: {
      'over': onFeatureSelect,
      'out': onFeatureUnselect
      }
  }
);
}

function onClickFeature(feature) {
  // Here we need to unescape html escaped by Drupal's check_plain()
  // function. This is a hack and may need to be improved
  window.location = $("<div>"+feature.attributes.name+"</div>").find('a').attr('href');
}

OL.Behaviors.olhover = function(event) {
  var mapDef = event.mapDef;
  var mapid = mapDef.id;
  var map = event.map;
  var behavior = event.behavior;
  var layer = OL.maps[mapid].layers[behavior.layer];
  select_feature = new OpenLayers.Control.SelectFeature(
    kml_layers, // Apply to all feature layers
    {
      activeByDefault: true,
      onSelect: onFeatureSelect,
      highlightOnly: false,
      onUnselect: onFeatureUnselect,
      clickFeature: onClickFeature,
      multiple: false, 
      hover: true,
      callbacks: {
        'over': onFeatureSelect,
        'out': onFeatureUnselect
        }
    }
  );
  OL.maps[mapid].controls[behavior.id] = select_feature;
  // Add control
  map.addControl(OL.maps[mapid].controls[behavior.id]);
  OL.maps[mapid].controls[behavior.id].activate();
 
}

function refresh_refresh(event) {
  console.log(event);
}


OL.Behaviors.refresh = function(event) {
  var mapDef = event.mapDef;
  var mapid = mapDef.id;
  var map = event.map;
  var behavior = event.behavior;
  var layer = OL.maps[mapid].layers[behavior.layer];
  var refresh_button = new OpenLayers.Control.Button({
    displayClass: 'refreshButton', trigger: refresh_refresh});
  var panel = new OpenLayers.Control.Panel();
  panel.addControls(refresh_button);
  OL.maps[mapid].controls[behavior.id] = panel;
  // Add control
  map.addControl(OL.maps[mapid].controls[behavior.id]);
  OL.maps[mapid].controls[behavior.id].activate();
}