More trip planner testing with colors
[busui.git] / labs / openlayers / lib / OpenLayers / Control / DrawFeature.js
blob:a/labs/openlayers/lib/OpenLayers/Control/DrawFeature.js -> blob:b/labs/openlayers/lib/OpenLayers/Control/DrawFeature.js
--- a/labs/openlayers/lib/OpenLayers/Control/DrawFeature.js
+++ b/labs/openlayers/lib/OpenLayers/Control/DrawFeature.js
@@ -1,1 +1,127 @@
+/* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for 
+ * full list of contributors). Published under the Clear BSD license.  
+ * See http://svn.openlayers.org/trunk/openlayers/license.txt for the
+ * full text of the license. */
 
+
+/**
+ * @requires OpenLayers/Control.js
+ * @requires OpenLayers/Feature/Vector.js
+ */
+
+/**
+ * Class: OpenLayers.Control.DrawFeature
+ * The DrawFeature control draws point, line or polygon features on a vector
+ * layer when active.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Control>
+ */
+OpenLayers.Control.DrawFeature = OpenLayers.Class(OpenLayers.Control, {
+    
+    /**
+     * Property: layer
+     * {<OpenLayers.Layer.Vector>}
+     */
+    layer: null,
+
+    /**
+     * Property: callbacks
+     * {Object} The functions that are sent to the handler for callback
+     */
+    callbacks: null,
+    
+    /**
+     * Constant: EVENT_TYPES
+     *
+     * Supported event types:
+     * featureadded - Triggered when a feature is added
+     */
+    EVENT_TYPES: ["featureadded"],
+    
+    /**
+     * APIProperty: multi
+     * {Boolean} Cast features to multi-part geometries before passing to the
+     *     layer.  Default is false.
+     */
+    multi: false,
+
+    /**
+     * APIProperty: featureAdded
+     * {Function} Called after each feature is added
+     */
+    featureAdded: function() {},
+
+    /**
+     * APIProperty: handlerOptions
+     * {Object} Used to set non-default properties on the control's handler
+     */
+    handlerOptions: null,
+    
+    /**
+     * Constructor: OpenLayers.Control.DrawFeature
+     * 
+     * Parameters:
+     * layer - {<OpenLayers.Layer.Vector>} 
+     * handler - {<OpenLayers.Handler>} 
+     * options - {Object} 
+     */
+    initialize: function(layer, handler, options) {
+        
+        // concatenate events specific to vector with those from the base
+        this.EVENT_TYPES =
+            OpenLayers.Control.DrawFeature.prototype.EVENT_TYPES.concat(
+            OpenLayers.Control.prototype.EVENT_TYPES
+        );
+        
+        OpenLayers.Control.prototype.initialize.apply(this, [options]);
+        this.callbacks = OpenLayers.Util.extend(
+            {
+                done: this.drawFeature,
+                modify: function(vertex, feature) {
+                    this.layer.events.triggerEvent(
+                        "sketchmodified", {vertex: vertex, feature: feature}
+                    );
+                },
+                create: function(vertex, feature) {
+                    this.layer.events.triggerEvent(
+                        "sketchstarted", {vertex: vertex, feature: feature}
+                    );
+                }
+            },
+            this.callbacks
+        );
+        this.layer = layer;
+        this.handlerOptions = this.handlerOptions || {};
+        if (!("multi" in this.handlerOptions)) {
+            this.handlerOptions.multi = this.multi;
+        }
+        var sketchStyle = this.layer.styleMap && this.layer.styleMap.styles.temporary;
+        if(sketchStyle) {
+            this.handlerOptions.layerOptions = OpenLayers.Util.applyDefaults(
+                this.handlerOptions.layerOptions,
+                {styleMap: new OpenLayers.StyleMap({"default": sketchStyle})}
+            );
+        }
+        this.handler = new handler(this, this.callbacks, this.handlerOptions);
+    },
+
+    /**
+     * Method: drawFeature
+     */
+    drawFeature: function(geometry) {
+        var feature = new OpenLayers.Feature.Vector(geometry);
+        var proceed = this.layer.events.triggerEvent(
+            "sketchcomplete", {feature: feature}
+        );
+        if(proceed !== false) {
+            feature.state = OpenLayers.State.INSERT;
+            this.layer.addFeatures([feature]);
+            this.featureAdded(feature);
+            this.events.triggerEvent("featureadded",{feature : feature});
+        }
+    },
+
+    CLASS_NAME: "OpenLayers.Control.DrawFeature"
+});
+