Adding jquery, flot and openlayers to be included with the GEM.v0.0.4

1 files changed, 441 insertions, 0 deletions

diff --git a/misc/openlayers/lib/OpenLayers/Layer/EventPane.js b/misc/openlayers/lib/OpenLayers/Layer/EventPane.js
new file mode 100644
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--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/EventPane.js
@@ -0,0 +1,441 @@
+/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
+ * full list of contributors). Published under the 2-clause BSD license.
+ * See license.txt in the OpenLayers distribution or repository for the
+ * full text of the license. */
+
+
+/**
+ * @requires OpenLayers/Layer.js
+ * @requires OpenLayers/Util.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.EventPane
+ * Base class for 3rd party layers, providing a DOM element which isolates
+ * the 3rd-party layer from mouse events.
+ * Only used by Google layers.
+ *
+ * Automatically instantiated by the Google constructor, and not usually instantiated directly.
+ *
+ * Create a new event pane layer with the
+ * <OpenLayers.Layer.EventPane> constructor.
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer>
+ */
+OpenLayers.Layer.EventPane = OpenLayers.Class(OpenLayers.Layer, {
+    
+    /**
+     * APIProperty: smoothDragPan
+     * {Boolean} smoothDragPan determines whether non-public/internal API
+     *     methods are used for better performance while dragging EventPane 
+     *     layers. When not in sphericalMercator mode, the smoother dragging 
+     *     doesn't actually move north/south directly with the number of 
+     *     pixels moved, resulting in a slight offset when you drag your mouse 
+     *     north south with this option on. If this visual disparity bothers 
+     *     you, you should turn this option off, or use spherical mercator. 
+     *     Default is on.
+     */
+    smoothDragPan: true,
+
+    /**
+     * Property: isBaseLayer
+     * {Boolean} EventPaned layers are always base layers, by necessity.
+     */ 
+    isBaseLayer: true,
+
+    /**
+     * APIProperty: isFixed
+     * {Boolean} EventPaned layers are fixed by default.
+     */ 
+    isFixed: true,
+
+    /**
+     * Property: pane
+     * {DOMElement} A reference to the element that controls the events.
+     */
+    pane: null,
+
+
+    /**
+     * Property: mapObject
+     * {Object} This is the object which will be used to load the 3rd party library
+     * in the case of the google layer, this will be of type GMap, 
+     * in the case of the ve layer, this will be of type VEMap
+     */ 
+    mapObject: null,
+
+
+    /**
+     * Constructor: OpenLayers.Layer.EventPane
+     * Create a new event pane layer
+     *
+     * Parameters:
+     * name - {String}
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, options) {
+        OpenLayers.Layer.prototype.initialize.apply(this, arguments);
+        if (this.pane == null) {
+            this.pane = OpenLayers.Util.createDiv(this.div.id + "_EventPane");
+        }
+    },
+    
+    /**
+     * APIMethod: destroy
+     * Deconstruct this layer.
+     */
+    destroy: function() {
+        this.mapObject = null;
+        this.pane = null;
+        OpenLayers.Layer.prototype.destroy.apply(this, arguments); 
+    },
+
+    
+    /**
+     * Method: setMap
+     * Set the map property for the layer. This is done through an accessor
+     * so that subclasses can override this and take special action once 
+     * they have their map variable set. 
+     *
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    setMap: function(map) {
+        OpenLayers.Layer.prototype.setMap.apply(this, arguments);
+        
+        this.pane.style.zIndex = parseInt(this.div.style.zIndex) + 1;
+        this.pane.style.display = this.div.style.display;
+        this.pane.style.width="100%";
+        this.pane.style.height="100%";
+        if (OpenLayers.BROWSER_NAME == "msie") {
+            this.pane.style.background = 
+                "url(" + OpenLayers.Util.getImageLocation("blank.gif") + ")";
+        }
+
+        if (this.isFixed) {
+            this.map.viewPortDiv.appendChild(this.pane);
+        } else {
+            this.map.layerContainerDiv.appendChild(this.pane);
+        }
+
+        // once our layer has been added to the map, we can load it
+        this.loadMapObject();
+    
+        // if map didn't load, display warning
+        if (this.mapObject == null) {
+            this.loadWarningMessage();
+        }
+    },
+
+    /**
+     * APIMethod: removeMap
+     * On being removed from the map, we'll like to remove the invisible 'pane'
+     *     div that we added to it on creation. 
+     * 
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    removeMap: function(map) {
+        if (this.pane && this.pane.parentNode) {
+            this.pane.parentNode.removeChild(this.pane);
+        }
+        OpenLayers.Layer.prototype.removeMap.apply(this, arguments);
+    },
+  
+    /**
+     * Method: loadWarningMessage
+     * If we can't load the map lib, then display an error message to the 
+     *     user and tell them where to go for help.
+     * 
+     *     This function sets up the layout for the warning message. Each 3rd
+     *     party layer must implement its own getWarningHTML() function to 
+     *     provide the actual warning message.
+     */
+    loadWarningMessage:function() {
+
+        this.div.style.backgroundColor = "darkblue";
+
+        var viewSize = this.map.getSize();
+        
+        var msgW = Math.min(viewSize.w, 300);
+        var msgH = Math.min(viewSize.h, 200);
+        var size = new OpenLayers.Size(msgW, msgH);
+
+        var centerPx = new OpenLayers.Pixel(viewSize.w/2, viewSize.h/2);
+
+        var topLeft = centerPx.add(-size.w/2, -size.h/2);            
+
+        var div = OpenLayers.Util.createDiv(this.name + "_warning", 
+                                            topLeft, 
+                                            size,
+                                            null,
+                                            null,
+                                            null,
+                                            "auto");
+
+        div.style.padding = "7px";
+        div.style.backgroundColor = "yellow";
+
+        div.innerHTML = this.getWarningHTML();
+        this.div.appendChild(div);
+    },
+  
+    /** 
+     * Method: getWarningHTML
+     * To be implemented by subclasses.
+     * 
+     * Returns:
+     * {String} String with information on why layer is broken, how to get
+     *          it working.
+     */
+    getWarningHTML:function() {
+        //should be implemented by subclasses
+        return "";
+    },
+  
+    /**
+     * Method: display
+     * Set the display on the pane
+     *
+     * Parameters:
+     * display - {Boolean}
+     */
+    display: function(display) {
+        OpenLayers.Layer.prototype.display.apply(this, arguments);
+        this.pane.style.display = this.div.style.display;
+    },
+  
+    /**
+     * Method: setZIndex
+     * Set the z-index order for the pane.
+     * 
+     * Parameters:
+     * zIndex - {int}
+     */
+    setZIndex: function (zIndex) {
+        OpenLayers.Layer.prototype.setZIndex.apply(this, arguments);
+        this.pane.style.zIndex = parseInt(this.div.style.zIndex) + 1;
+    },
+    
+    /**
+     * Method: moveByPx
+     * Move the layer based on pixel vector. To be implemented by subclasses.
+     *
+     * Parameters:
+     * dx - {Number} The x coord of the displacement vector.
+     * dy - {Number} The y coord of the displacement vector.
+     */
+    moveByPx: function(dx, dy) {
+        OpenLayers.Layer.prototype.moveByPx.apply(this, arguments);
+        
+        if (this.dragPanMapObject) {
+            this.dragPanMapObject(dx, -dy);
+        } else {
+            this.moveTo(this.map.getCachedCenter());
+        }
+    },
+
+    /**
+     * Method: moveTo
+     * Handle calls to move the layer.
+     * 
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     * zoomChanged - {Boolean}
+     * dragging - {Boolean}
+     */
+    moveTo:function(bounds, zoomChanged, dragging) {
+        OpenLayers.Layer.prototype.moveTo.apply(this, arguments);
+
+        if (this.mapObject != null) {
+
+            var newCenter = this.map.getCenter();
+            var newZoom = this.map.getZoom();
+
+            if (newCenter != null) {
+
+                var moOldCenter = this.getMapObjectCenter();
+                var oldCenter = this.getOLLonLatFromMapObjectLonLat(moOldCenter);
+
+                var moOldZoom = this.getMapObjectZoom();
+                var oldZoom= this.getOLZoomFromMapObjectZoom(moOldZoom);
+
+                if (!(newCenter.equals(oldCenter)) || newZoom != oldZoom) {
+
+                    if (!zoomChanged && oldCenter && this.dragPanMapObject && 
+                        this.smoothDragPan) {
+                        var oldPx = this.map.getViewPortPxFromLonLat(oldCenter);
+                        var newPx = this.map.getViewPortPxFromLonLat(newCenter);
+                        this.dragPanMapObject(newPx.x-oldPx.x, oldPx.y-newPx.y);
+                    } else {
+                        var center = this.getMapObjectLonLatFromOLLonLat(newCenter);
+                        var zoom = this.getMapObjectZoomFromOLZoom(newZoom);
+                        this.setMapObjectCenter(center, zoom, dragging);
+                    }
+                }
+            }
+        }
+    },
+
+
+  /********************************************************/
+  /*                                                      */
+  /*                 Baselayer Functions                  */
+  /*                                                      */
+  /********************************************************/
+
+    /**
+     * Method: getLonLatFromViewPortPx
+     * Get a map location from a pixel location
+     * 
+     * Parameters:
+     * viewPortPx - {<OpenLayers.Pixel>}
+     *
+     * Returns:
+     *  {<OpenLayers.LonLat>} An OpenLayers.LonLat which is the passed-in view
+     *  port OpenLayers.Pixel, translated into lon/lat by map lib
+     *  If the map lib is not loaded or not centered, returns null
+     */
+    getLonLatFromViewPortPx: function (viewPortPx) {
+        var lonlat = null;
+        if ( (this.mapObject != null) && 
+             (this.getMapObjectCenter() != null) ) {
+            var moPixel = this.getMapObjectPixelFromOLPixel(viewPortPx);
+            var moLonLat = this.getMapObjectLonLatFromMapObjectPixel(moPixel);
+            lonlat = this.getOLLonLatFromMapObjectLonLat(moLonLat);
+        }
+        return lonlat;
+    },
+
+ 
+    /**
+     * Method: getViewPortPxFromLonLat
+     * Get a pixel location from a map location
+     *
+     * Parameters:
+     * lonlat - {<OpenLayers.LonLat>}
+     *
+     * Returns:
+     * {<OpenLayers.Pixel>} An OpenLayers.Pixel which is the passed-in
+     * OpenLayers.LonLat, translated into view port pixels by map lib
+     * If map lib is not loaded or not centered, returns null
+     */
+    getViewPortPxFromLonLat: function (lonlat) {
+        var viewPortPx = null;
+        if ( (this.mapObject != null) && 
+             (this.getMapObjectCenter() != null) ) {
+
+            var moLonLat = this.getMapObjectLonLatFromOLLonLat(lonlat);
+            var moPixel = this.getMapObjectPixelFromMapObjectLonLat(moLonLat);
+        
+            viewPortPx = this.getOLPixelFromMapObjectPixel(moPixel);
+        }
+        return viewPortPx;
+    },
+
+  /********************************************************/
+  /*                                                      */
+  /*               Translation Functions                  */
+  /*                                                      */
+  /*   The following functions translate Map Object and   */
+  /*            OL formats for Pixel, LonLat              */
+  /*                                                      */
+  /********************************************************/
+
+  //
+  // TRANSLATION: MapObject LatLng <-> OpenLayers.LonLat
+  //
+
+    /**
+     * Method: getOLLonLatFromMapObjectLonLat
+     * Get an OL style map location from a 3rd party style map location
+     *
+     * Parameters
+     * moLonLat - {Object}
+     * 
+     * Returns:
+     * {<OpenLayers.LonLat>} An OpenLayers.LonLat, translated from the passed in 
+     *          MapObject LonLat
+     *          Returns null if null value is passed in
+     */
+    getOLLonLatFromMapObjectLonLat: function(moLonLat) {
+        var olLonLat = null;
+        if (moLonLat != null) {
+            var lon = this.getLongitudeFromMapObjectLonLat(moLonLat);
+            var lat = this.getLatitudeFromMapObjectLonLat(moLonLat);
+            olLonLat = new OpenLayers.LonLat(lon, lat);
+        }
+        return olLonLat;
+    },
+
+    /**
+     * Method: getMapObjectLonLatFromOLLonLat
+     * Get a 3rd party map location from an OL map location.
+     *
+     * Parameters:
+     * olLonLat - {<OpenLayers.LonLat>}
+     * 
+     * Returns:
+     * {Object} A MapObject LonLat, translated from the passed in 
+     *          OpenLayers.LonLat
+     *          Returns null if null value is passed in
+     */
+    getMapObjectLonLatFromOLLonLat: function(olLonLat) {
+        var moLatLng = null;
+        if (olLonLat != null) {
+            moLatLng = this.getMapObjectLonLatFromLonLat(olLonLat.lon,
+                                                         olLonLat.lat);
+        }
+        return moLatLng;
+    },
+
+
+  //
+  // TRANSLATION: MapObject Pixel <-> OpenLayers.Pixel
+  //
+
+    /**
+     * Method: getOLPixelFromMapObjectPixel
+     * Get an OL pixel location from a 3rd party pixel location.
+     *
+     * Parameters:
+     * moPixel - {Object}
+     * 
+     * Returns:
+     * {<OpenLayers.Pixel>} An OpenLayers.Pixel, translated from the passed in 
+     *          MapObject Pixel
+     *          Returns null if null value is passed in
+     */
+    getOLPixelFromMapObjectPixel: function(moPixel) {
+        var olPixel = null;
+        if (moPixel != null) {
+            var x = this.getXFromMapObjectPixel(moPixel);
+            var y = this.getYFromMapObjectPixel(moPixel);
+            olPixel = new OpenLayers.Pixel(x, y);
+        }
+        return olPixel;
+    },
+
+    /**
+     * Method: getMapObjectPixelFromOLPixel
+     * Get a 3rd party pixel location from an OL pixel location
+     *
+     * Parameters:
+     * olPixel - {<OpenLayers.Pixel>}
+     * 
+     * Returns:
+     * {Object} A MapObject Pixel, translated from the passed in 
+     *          OpenLayers.Pixel
+     *          Returns null if null value is passed in
+     */
+    getMapObjectPixelFromOLPixel: function(olPixel) {
+        var moPixel = null;
+        if (olPixel != null) {
+            moPixel = this.getMapObjectPixelFromXY(olPixel.x, olPixel.y);
+        }
+        return moPixel;
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.EventPane"
+});