openlayers madness

[rails.git] / public / lib / OpenLayers / Control.js

diff --git a/public/lib/OpenLayers/Control.js b/public/lib/OpenLayers/Control.js
new file mode 100644 (file)
index 0000000..117fb26
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+++ b/public/lib/OpenLayers/Control.js
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+/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
+ * See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
+ * text of the license. */
+/**
+* @class
+*/
+OpenLayers.Control = Class.create();
+OpenLayers.Control.prototype = {
+
+    /** this gets set in the addControl() function in OpenLayers.Map
+    * @type OpenLayers.Map */
+    map: null,
+
+    /** @type DOMElement */
+    div: null,
+
+    /** @type OpenLayers.Pixel */
+    position: null,
+
+    /**
+    * @constructor
+    */
+    initialize: function (options) {
+        Object.extend(this, options);
+    },
+
+    /**
+    * @param {OpenLayers.Pixel} px
+    *
+    * @returns A reference to the DIV DOMElement containing the control
+    * @type DOMElement
+    */
+    draw: function (px) {
+        if (this.div == null) {
+            this.div = OpenLayers.Util.createDiv();
+        }
+        if (px != null) {
+            this.position = px.copyOf();
+        }
+        this.moveTo(this.position);        
+        return this.div;
+    },
+
+    /**
+    * @param {OpenLayers.Pixel} px
+    */
+    moveTo: function (px) {
+        if ((px != null) && (this.div != null)) {
+            this.div.style.left = px.x + "px";
+            this.div.style.top = px.x + "px";
+        }
+    },
+
+    /**
+    */
+    destroy: function () {
+        // eliminate circular references
+        this.map = null;
+    },
+
+    /** @final @type String */
+    CLASS_NAME: "OpenLayers.Control"
+};