From b647d64408914f500f0a02d3a04d925dabb89ab4 Mon Sep 17 00:00:00 2001
From: Tim Graham <timograham@gmail.com>
Date: Fri, 17 Jul 2015 09:00:01 -0400
Subject: [PATCH] Fixed JavaScript "indent" violations.

---
 .../contrib/gis/static/gis/js/OLMapWidget.js  | 697 +++++++++---------
 1 file changed, 348 insertions(+), 349 deletions(-)

diff --git a/django/contrib/gis/static/gis/js/OLMapWidget.js b/django/contrib/gis/static/gis/js/OLMapWidget.js
index fe799f8640..7d9c0a75f0 100644
--- a/django/contrib/gis/static/gis/js/OLMapWidget.js
+++ b/django/contrib/gis/static/gis/js/OLMapWidget.js
@@ -1,386 +1,385 @@
 /*global OpenLayers*/
-/*eslint indent:1*/
 (function() {
- /**
-  * Transforms an array of features to a single feature with the merged
-  * geometry of geom_type
-  */
-OpenLayers.Util.properFeatures = function(features, geom_type) {
+    /**
+     * Transforms an array of features to a single feature with the merged
+     * geometry of geom_type
+     */
+    OpenLayers.Util.properFeatures = function(features, geom_type) {
         if (features.constructor === Array) {
-        var geoms = [];
-        for (var i=0; i<features.length; i++) {
-            geoms.push(features[i].geometry);
+            var geoms = [];
+            for (var i=0; i<features.length; i++) {
+                geoms.push(features[i].geometry);
+            }
+            var geom = new geom_type(geoms);
+            features = new OpenLayers.Feature.Vector(geom);
         }
-        var geom = new geom_type(geoms);
-        features = new OpenLayers.Feature.Vector(geom);
-    }
-    return features;
-};
-
-/**
- * @requires OpenLayers/Format/WKT.js
- */
-
-/**
- * Class: OpenLayers.Format.DjangoWKT
- * Class for reading Well-Known Text, with workarounds to successfully parse
- * geometries and collections as returned by django.contrib.gis.geos.
- *
- * Inherits from:
- *  - <OpenLayers.Format.WKT>
- */
-
-OpenLayers.Format.DjangoWKT = OpenLayers.Class(OpenLayers.Format.WKT, {
-    initialize: function(options) {
-        OpenLayers.Format.WKT.prototype.initialize.apply(this, [options]);
-        this.regExes.justComma = /\s*,\s*/;
-    },
-
-    parse: {
-        'point': function(str) {
-            var coords = OpenLayers.String.trim(str).split(this.regExes.spaces);
-            return new OpenLayers.Feature.Vector(
-                new OpenLayers.Geometry.Point(coords[0], coords[1])
-            );
-        },
-
-        'multipoint': function(str) {
-            var point;
-            var points = OpenLayers.String.trim(str).split(this.regExes.justComma);
-            var components = [];
-            for(var i=0, len=points.length; i<len; ++i) {
-                point = points[i].replace(this.regExes.trimParens, '$1');
-                components.push(this.parse.point.apply(this, [point]).geometry);
-            }
-            return new OpenLayers.Feature.Vector(
-                new OpenLayers.Geometry.MultiPoint(components)
-            );
-        },
-
-        'linestring': function(str) {
-            var points = OpenLayers.String.trim(str).split(',');
-            var components = [];
-            for(var i=0, len=points.length; i<len; ++i) {
-                components.push(this.parse.point.apply(this, [points[i]]).geometry);
-            }
-            return new OpenLayers.Feature.Vector(
-                new OpenLayers.Geometry.LineString(components)
-            );
-        },
-
-        'multilinestring': function(str) {
-            var line;
-            var lines = OpenLayers.String.trim(str).split(this.regExes.parenComma);
-            var components = [];
-            for(var i=0, len=lines.length; i<len; ++i) {
-                line = lines[i].replace(this.regExes.trimParens, '$1');
-                components.push(this.parse.linestring.apply(this, [line]).geometry);
-            }
-            return new OpenLayers.Feature.Vector(
-                new OpenLayers.Geometry.MultiLineString(components)
-            );
-        },
-
-        'polygon': function(str) {
-            var ring, linestring, linearring;
-            var rings = OpenLayers.String.trim(str).split(this.regExes.parenComma);
-            var components = [];
-            for(var i=0, len=rings.length; i<len; ++i) {
-                ring = rings[i].replace(this.regExes.trimParens, '$1');
-                linestring = this.parse.linestring.apply(this, [ring]).geometry;
-                linearring = new OpenLayers.Geometry.LinearRing(linestring.components);
-                components.push(linearring);
-            }
-            return new OpenLayers.Feature.Vector(
-                new OpenLayers.Geometry.Polygon(components)
-            );
-        },
-
-        'multipolygon': function(str) {
-            var polygon;
-            var polygons = OpenLayers.String.trim(str).split(this.regExes.doubleParenComma);
-            var components = [];
-            for(var i=0, len=polygons.length; i<len; ++i) {
-                polygon = polygons[i].replace(this.regExes.trimParens, '$1');
-                components.push(this.parse.polygon.apply(this, [polygon]).geometry);
-            }
-            return new OpenLayers.Feature.Vector(
-                new OpenLayers.Geometry.MultiPolygon(components)
-            );
-        },
-
-        'geometrycollection': function(str) {
-            // separate components of the collection with |
-            str = str.replace(/,\s*([A-Za-z])/g, '|$1');
-            var wktArray = OpenLayers.String.trim(str).split('|');
-            var components = [];
-            for(var i=0, len=wktArray.length; i<len; ++i) {
-                components.push(OpenLayers.Format.WKT.prototype.read.apply(this,[wktArray[i]]));
-            }
-            return components;
-        }
-    },
-
-    extractGeometry: function(geometry) {
-        var type = geometry.CLASS_NAME.split('.')[2].toLowerCase();
-        if (!this.extract[type]) {
-            return null;
-        }
-        if (this.internalProjection && this.externalProjection) {
-            geometry = geometry.clone();
-            geometry.transform(this.internalProjection, this.externalProjection);
-        }
-        var wktType = type === 'collection' ? 'GEOMETRYCOLLECTION' : type.toUpperCase();
-        var data = wktType + '(' + this.extract[type].apply(this, [geometry]) + ')';
-        return data;
-    },
+        return features;
+    };
 
     /**
-     * Patched write: successfully writes WKT for geometries and
-     * geometrycollections.
+     * @requires OpenLayers/Format/WKT.js
      */
-    write: function(features) {
-        var collection, isCollection;
-        isCollection = features.geometry.CLASS_NAME === "OpenLayers.Geometry.Collection";
-        var pieces = [];
-        if (isCollection) {
-            collection = features.geometry.components;
-            pieces.push('GEOMETRYCOLLECTION(');
-            for (var i=0, len=collection.length; i<len; ++i) {
-                if (i>0) {
-                    pieces.push(',');
+
+    /**
+     * Class: OpenLayers.Format.DjangoWKT
+     * Class for reading Well-Known Text, with workarounds to successfully parse
+     * geometries and collections as returned by django.contrib.gis.geos.
+     *
+     * Inherits from:
+     *  - <OpenLayers.Format.WKT>
+     */
+
+    OpenLayers.Format.DjangoWKT = OpenLayers.Class(OpenLayers.Format.WKT, {
+        initialize: function(options) {
+            OpenLayers.Format.WKT.prototype.initialize.apply(this, [options]);
+            this.regExes.justComma = /\s*,\s*/;
+        },
+
+        parse: {
+            'point': function(str) {
+                var coords = OpenLayers.String.trim(str).split(this.regExes.spaces);
+                return new OpenLayers.Feature.Vector(
+                    new OpenLayers.Geometry.Point(coords[0], coords[1])
+                );
+            },
+
+            'multipoint': function(str) {
+                var point;
+                var points = OpenLayers.String.trim(str).split(this.regExes.justComma);
+                var components = [];
+                for(var i=0, len=points.length; i<len; ++i) {
+                    point = points[i].replace(this.regExes.trimParens, '$1');
+                    components.push(this.parse.point.apply(this, [point]).geometry);
                 }
-                pieces.push(this.extractGeometry(collection[i]));
+                return new OpenLayers.Feature.Vector(
+                    new OpenLayers.Geometry.MultiPoint(components)
+                );
+            },
+
+            'linestring': function(str) {
+                var points = OpenLayers.String.trim(str).split(',');
+                var components = [];
+                for(var i=0, len=points.length; i<len; ++i) {
+                    components.push(this.parse.point.apply(this, [points[i]]).geometry);
+                }
+                return new OpenLayers.Feature.Vector(
+                    new OpenLayers.Geometry.LineString(components)
+                );
+            },
+
+            'multilinestring': function(str) {
+                var line;
+                var lines = OpenLayers.String.trim(str).split(this.regExes.parenComma);
+                var components = [];
+                for(var i=0, len=lines.length; i<len; ++i) {
+                    line = lines[i].replace(this.regExes.trimParens, '$1');
+                    components.push(this.parse.linestring.apply(this, [line]).geometry);
+                }
+                return new OpenLayers.Feature.Vector(
+                    new OpenLayers.Geometry.MultiLineString(components)
+                );
+            },
+
+            'polygon': function(str) {
+                var ring, linestring, linearring;
+                var rings = OpenLayers.String.trim(str).split(this.regExes.parenComma);
+                var components = [];
+                for(var i=0, len=rings.length; i<len; ++i) {
+                    ring = rings[i].replace(this.regExes.trimParens, '$1');
+                    linestring = this.parse.linestring.apply(this, [ring]).geometry;
+                    linearring = new OpenLayers.Geometry.LinearRing(linestring.components);
+                    components.push(linearring);
+                }
+                return new OpenLayers.Feature.Vector(
+                    new OpenLayers.Geometry.Polygon(components)
+                );
+            },
+
+            'multipolygon': function(str) {
+                var polygon;
+                var polygons = OpenLayers.String.trim(str).split(this.regExes.doubleParenComma);
+                var components = [];
+                for(var i=0, len=polygons.length; i<len; ++i) {
+                    polygon = polygons[i].replace(this.regExes.trimParens, '$1');
+                    components.push(this.parse.polygon.apply(this, [polygon]).geometry);
+                }
+                return new OpenLayers.Feature.Vector(
+                    new OpenLayers.Geometry.MultiPolygon(components)
+                );
+            },
+
+            'geometrycollection': function(str) {
+                // separate components of the collection with |
+                str = str.replace(/,\s*([A-Za-z])/g, '|$1');
+                var wktArray = OpenLayers.String.trim(str).split('|');
+                var components = [];
+                for(var i=0, len=wktArray.length; i<len; ++i) {
+                    components.push(OpenLayers.Format.WKT.prototype.read.apply(this,[wktArray[i]]));
+                }
+                return components;
             }
-            pieces.push(')');
+        },
+
+        extractGeometry: function(geometry) {
+            var type = geometry.CLASS_NAME.split('.')[2].toLowerCase();
+            if (!this.extract[type]) {
+                return null;
+            }
+            if (this.internalProjection && this.externalProjection) {
+                geometry = geometry.clone();
+                geometry.transform(this.internalProjection, this.externalProjection);
+            }
+            var wktType = type === 'collection' ? 'GEOMETRYCOLLECTION' : type.toUpperCase();
+            var data = wktType + '(' + this.extract[type].apply(this, [geometry]) + ')';
+            return data;
+        },
+
+        /**
+         * Patched write: successfully writes WKT for geometries and
+         * geometrycollections.
+         */
+        write: function(features) {
+            var collection, isCollection;
+            isCollection = features.geometry.CLASS_NAME === "OpenLayers.Geometry.Collection";
+            var pieces = [];
+            if (isCollection) {
+                collection = features.geometry.components;
+                pieces.push('GEOMETRYCOLLECTION(');
+                for (var i=0, len=collection.length; i<len; ++i) {
+                    if (i>0) {
+                        pieces.push(',');
+                    }
+                    pieces.push(this.extractGeometry(collection[i]));
+                }
+                pieces.push(')');
+            } else {
+                pieces.push(this.extractGeometry(features.geometry));
+            }
+            return pieces.join('');
+        },
+
+        CLASS_NAME: "OpenLayers.Format.DjangoWKT"
+    });
+
+    function MapWidget(options) {
+        this.map = null;
+        this.controls = null;
+        this.panel = null;
+        this.layers = {};
+        this.wkt_f = new OpenLayers.Format.DjangoWKT();
+
+        // Mapping from OGRGeomType name to OpenLayers.Geometry name
+        if (options['geom_name'] === 'Unknown') {
+            options['geom_type'] = OpenLayers.Geometry;
+        } else if (options['geom_name'] === 'GeometryCollection') {
+            options['geom_type'] = OpenLayers.Geometry.Collection;
         } else {
-            pieces.push(this.extractGeometry(features.geometry));
+            options['geom_type'] = eval('OpenLayers.Geometry.' + options['geom_name']);
         }
-        return pieces.join('');
-    },
 
-    CLASS_NAME: "OpenLayers.Format.DjangoWKT"
-});
+        // Default options
+        this.options = {
+            color: 'ee9900',
+            default_lat: 0,
+            default_lon: 0,
+            default_zoom: 4,
+            is_collection: new options['geom_type']() instanceof OpenLayers.Geometry.Collection,
+            layerswitcher: false,
+            map_options: {},
+            map_srid: 4326,
+            modifiable: true,
+            mouse_position: false,
+            opacity: 0.4,
+            point_zoom: 12,
+            scale_text: false,
+            scrollable: true
+        };
 
-function MapWidget(options) {
-    this.map = null;
-    this.controls = null;
-    this.panel = null;
-    this.layers = {};
-    this.wkt_f = new OpenLayers.Format.DjangoWKT();
+        // Altering using user-provided options
+        for (var property in options) {
+            if (options.hasOwnProperty(property)) {
+                this.options[property] = options[property];
+            }
+        }
 
-    // Mapping from OGRGeomType name to OpenLayers.Geometry name
-    if (options['geom_name'] === 'Unknown') {
-        options['geom_type'] = OpenLayers.Geometry;
-    } else if (options['geom_name'] === 'GeometryCollection') {
-        options['geom_type'] = OpenLayers.Geometry.Collection;
-    } else {
-        options['geom_type'] = eval('OpenLayers.Geometry.' + options['geom_name']);
-    }
+        this.map = this.create_map();
 
-    // Default options
-    this.options = {
-        color: 'ee9900',
-        default_lat: 0,
-        default_lon: 0,
-        default_zoom: 4,
-        is_collection: new options['geom_type']() instanceof OpenLayers.Geometry.Collection,
-        layerswitcher: false,
-        map_options: {},
-        map_srid: 4326,
-        modifiable: true,
-        mouse_position: false,
-        opacity: 0.4,
-        point_zoom: 12,
-        scale_text: false,
-        scrollable: true
-    };
+        var defaults_style = {
+            'fillColor': '#' + this.options.color,
+            'fillOpacity': this.options.opacity,
+            'strokeColor': '#' + this.options.color
+        };
+        if (this.options.geom_name === 'LineString') {
+            defaults_style['strokeWidth'] = 3;
+        }
+        var styleMap = new OpenLayers.StyleMap({'default': OpenLayers.Util.applyDefaults(defaults_style, OpenLayers.Feature.Vector.style['default'])});
+        this.layers.vector = new OpenLayers.Layer.Vector(" " + this.options.name, {styleMap: styleMap});
+        this.map.addLayer(this.layers.vector);
+        var wkt = document.getElementById(this.options.id).value;
+        if (wkt) {
+            var feat = OpenLayers.Util.properFeatures(this.read_wkt(wkt), this.options.geom_type);
+            this.write_wkt(feat);
+            if (this.options.is_collection) {
+                for (var i=0; i<this.num_geom; i++) {
+                    this.layers.vector.addFeatures([new OpenLayers.Feature.Vector(feat.geometry.components[i].clone())]);
+                }
+            } else {
+                this.layers.vector.addFeatures([feat]);
+            }
+            this.map.zoomToExtent(feat.geometry.getBounds());
+            if (this.options.geom_name === 'Point') {
+                this.map.zoomTo(this.options.point_zoom);
+            }
+        } else {
+            this.map.setCenter(this.defaultCenter(), this.options.default_zoom);
+        }
+        this.layers.vector.events.on({'featuremodified': this.modify_wkt, scope: this});
+        this.layers.vector.events.on({'featureadded': this.add_wkt, scope: this});
 
-    // Altering using user-provided options
-    for (var property in options) {
-        if (options.hasOwnProperty(property)) {
-            this.options[property] = options[property];
+        this.getControls(this.layers.vector);
+        this.panel.addControls(this.controls);
+        this.map.addControl(this.panel);
+        this.addSelectControl();
+
+        if (this.options.mouse_position) {
+            this.map.addControl(new OpenLayers.Control.MousePosition());
+        }
+        if (this.options.scale_text) {
+            this.map.addControl(new OpenLayers.Control.Scale());
+        }
+        if (this.options.layerswitcher) {
+            this.map.addControl(new OpenLayers.Control.LayerSwitcher());
+        }
+        if (!this.options.scrollable) {
+            this.map.getControlsByClass('OpenLayers.Control.Navigation')[0].disableZoomWheel();
+        }
+        if (wkt) {
+            if (this.options.modifiable) {
+                this.enableEditing();
+            }
+        } else {
+            this.enableDrawing();
         }
     }
 
-    this.map = this.create_map();
-
-    var defaults_style = {
-        'fillColor': '#' + this.options.color,
-        'fillOpacity': this.options.opacity,
-        'strokeColor': '#' + this.options.color
+    MapWidget.prototype.create_map = function() {
+        var map = new OpenLayers.Map(this.options.map_id, this.options.map_options);
+        if (this.options.base_layer) {
+            this.layers.base = this.options.base_layer;
+        } else {
+            this.layers.base = new OpenLayers.Layer.WMS('OpenLayers WMS', 'http://vmap0.tiles.osgeo.org/wms/vmap0', {layers: 'basic'});
+        }
+        map.addLayer(this.layers.base);
+        return map;
     };
-    if (this.options.geom_name === 'LineString') {
-        defaults_style['strokeWidth'] = 3;
-    }
-    var styleMap = new OpenLayers.StyleMap({'default': OpenLayers.Util.applyDefaults(defaults_style, OpenLayers.Feature.Vector.style['default'])});
-    this.layers.vector = new OpenLayers.Layer.Vector(" " + this.options.name, {styleMap: styleMap});
-    this.map.addLayer(this.layers.vector);
-    var wkt = document.getElementById(this.options.id).value;
-    if (wkt) {
-        var feat = OpenLayers.Util.properFeatures(this.read_wkt(wkt), this.options.geom_type);
-        this.write_wkt(feat);
+
+    MapWidget.prototype.get_ewkt = function(feat) {
+        return "SRID=" + this.options.map_srid + ";" + this.wkt_f.write(feat);
+    };
+
+    MapWidget.prototype.read_wkt = function(wkt) {
+        var prefix = 'SRID=' + this.options.map_srid + ';';
+        if (wkt.indexOf(prefix) === 0) {
+            wkt = wkt.slice(prefix.length);
+        }
+        return this.wkt_f.read(wkt);
+    };
+
+    MapWidget.prototype.write_wkt = function(feat) {
+        feat = OpenLayers.Util.properFeatures(feat, this.options.geom_type);
         if (this.options.is_collection) {
-            for (var i=0; i<this.num_geom; i++) {
-                this.layers.vector.addFeatures([new OpenLayers.Feature.Vector(feat.geometry.components[i].clone())]);
-            }
+            this.num_geom = feat.geometry.components.length;
         } else {
-            this.layers.vector.addFeatures([feat]);
+            this.num_geom = 1;
         }
-        this.map.zoomToExtent(feat.geometry.getBounds());
-        if (this.options.geom_name === 'Point') {
-            this.map.zoomTo(this.options.point_zoom);
-        }
-    } else {
-        this.map.setCenter(this.defaultCenter(), this.options.default_zoom);
-    }
-    this.layers.vector.events.on({'featuremodified': this.modify_wkt, scope: this});
-    this.layers.vector.events.on({'featureadded': this.add_wkt, scope: this});
+        document.getElementById(this.options.id).value = this.get_ewkt(feat);
+    };
 
-    this.getControls(this.layers.vector);
-    this.panel.addControls(this.controls);
-    this.map.addControl(this.panel);
-    this.addSelectControl();
-
-    if (this.options.mouse_position) {
-        this.map.addControl(new OpenLayers.Control.MousePosition());
-    }
-    if (this.options.scale_text) {
-        this.map.addControl(new OpenLayers.Control.Scale());
-    }
-    if (this.options.layerswitcher) {
-        this.map.addControl(new OpenLayers.Control.LayerSwitcher());
-    }
-    if (!this.options.scrollable) {
-        this.map.getControlsByClass('OpenLayers.Control.Navigation')[0].disableZoomWheel();
-    }
-    if (wkt) {
-        if (this.options.modifiable) {
-            this.enableEditing();
-        }
-    } else {
-        this.enableDrawing();
-    }
-}
-
-MapWidget.prototype.create_map = function() {
-    var map = new OpenLayers.Map(this.options.map_id, this.options.map_options);
-    if (this.options.base_layer) {
-        this.layers.base = this.options.base_layer;
-    } else {
-        this.layers.base = new OpenLayers.Layer.WMS('OpenLayers WMS', 'http://vmap0.tiles.osgeo.org/wms/vmap0', {layers: 'basic'});
-    }
-    map.addLayer(this.layers.base);
-    return map;
-};
-
-MapWidget.prototype.get_ewkt = function(feat) {
-    return "SRID=" + this.options.map_srid + ";" + this.wkt_f.write(feat);
-};
-
-MapWidget.prototype.read_wkt = function(wkt) {
-    var prefix = 'SRID=' + this.options.map_srid + ';';
-    if (wkt.indexOf(prefix) === 0) {
-        wkt = wkt.slice(prefix.length);
-    }
-    return this.wkt_f.read(wkt);
-};
-
-MapWidget.prototype.write_wkt = function(feat) {
-    feat = OpenLayers.Util.properFeatures(feat, this.options.geom_type);
-    if (this.options.is_collection) {
-        this.num_geom = feat.geometry.components.length;
-    } else {
-        this.num_geom = 1;
-    }
-    document.getElementById(this.options.id).value = this.get_ewkt(feat);
-};
-
-MapWidget.prototype.add_wkt = function(event) {
-    if (this.options.is_collection) {
-        var feat = new OpenLayers.Feature.Vector(new this.options.geom_type());
-        for (var i=0; i<this.layers.vector.features.length; i++) {
-            feat.geometry.addComponents([this.layers.vector.features[i].geometry]);
-        }
-        this.write_wkt(feat);
-    } else {
-        if (this.layers.vector.features.length > 1) {
-            var old_feats = [this.layers.vector.features[0]];
-            this.layers.vector.removeFeatures(old_feats);
-            this.layers.vector.destroyFeatures(old_feats);
-        }
-        this.write_wkt(event.feature);
-    }
-};
-
-MapWidget.prototype.modify_wkt = function(event) {
-    if (this.options.is_collection) {
-        if (this.options.geom_name === 'MultiPoint') {
-            this.add_wkt(event);
-            return;
-        } else {
+    MapWidget.prototype.add_wkt = function(event) {
+        if (this.options.is_collection) {
             var feat = new OpenLayers.Feature.Vector(new this.options.geom_type());
-            for (var i=0; i<this.num_geom; i++) {
+            for (var i=0; i<this.layers.vector.features.length; i++) {
                 feat.geometry.addComponents([this.layers.vector.features[i].geometry]);
             }
             this.write_wkt(feat);
+        } else {
+            if (this.layers.vector.features.length > 1) {
+                var old_feats = [this.layers.vector.features[0]];
+                this.layers.vector.removeFeatures(old_feats);
+                this.layers.vector.destroyFeatures(old_feats);
+            }
+            this.write_wkt(event.feature);
         }
-    } else {
-        this.write_wkt(event.feature);
-    }
-};
+    };
 
-MapWidget.prototype.deleteFeatures = function() {
-    this.layers.vector.removeFeatures(this.layers.vector.features);
-    this.layers.vector.destroyFeatures();
-};
+    MapWidget.prototype.modify_wkt = function(event) {
+        if (this.options.is_collection) {
+            if (this.options.geom_name === 'MultiPoint') {
+                this.add_wkt(event);
+                return;
+            } else {
+                var feat = new OpenLayers.Feature.Vector(new this.options.geom_type());
+                for (var i=0; i<this.num_geom; i++) {
+                    feat.geometry.addComponents([this.layers.vector.features[i].geometry]);
+                }
+                this.write_wkt(feat);
+            }
+        } else {
+            this.write_wkt(event.feature);
+        }
+    };
 
-MapWidget.prototype.clearFeatures = function() {
-    this.deleteFeatures();
-    document.getElementById(this.options.id).value = '';
-    this.map.setCenter(this.defaultCenter(), this.options.default_zoom);
-};
+    MapWidget.prototype.deleteFeatures = function() {
+        this.layers.vector.removeFeatures(this.layers.vector.features);
+        this.layers.vector.destroyFeatures();
+    };
 
-MapWidget.prototype.defaultCenter = function() {
-    var center = new OpenLayers.LonLat(this.options.default_lon, this.options.default_lat);
-    if (this.options.map_srid) {
-        return center.transform(new OpenLayers.Projection("EPSG:4326"), this.map.getProjectionObject());
-    }
-    return center;
-};
+    MapWidget.prototype.clearFeatures = function() {
+        this.deleteFeatures();
+        document.getElementById(this.options.id).value = '';
+        this.map.setCenter(this.defaultCenter(), this.options.default_zoom);
+    };
 
-MapWidget.prototype.addSelectControl = function() {
-    var select = new OpenLayers.Control.SelectFeature(this.layers.vector, {'toggle': true, 'clickout': true});
-    this.map.addControl(select);
-    select.activate();
-};
+    MapWidget.prototype.defaultCenter = function() {
+        var center = new OpenLayers.LonLat(this.options.default_lon, this.options.default_lat);
+        if (this.options.map_srid) {
+            return center.transform(new OpenLayers.Projection("EPSG:4326"), this.map.getProjectionObject());
+        }
+        return center;
+    };
 
-MapWidget.prototype.enableDrawing = function() {
-    this.map.getControlsByClass('OpenLayers.Control.DrawFeature')[0].activate();
-};
+    MapWidget.prototype.addSelectControl = function() {
+        var select = new OpenLayers.Control.SelectFeature(this.layers.vector, {'toggle': true, 'clickout': true});
+        this.map.addControl(select);
+        select.activate();
+    };
 
-MapWidget.prototype.enableEditing = function() {
-    this.map.getControlsByClass('OpenLayers.Control.ModifyFeature')[0].activate();
-};
+    MapWidget.prototype.enableDrawing = function() {
+        this.map.getControlsByClass('OpenLayers.Control.DrawFeature')[0].activate();
+    };
 
-MapWidget.prototype.getControls = function(layer) {
-    this.panel = new OpenLayers.Control.Panel({'displayClass': 'olControlEditingToolbar'});
-    this.controls = [new OpenLayers.Control.Navigation()];
-    if (!this.options.modifiable && layer.features.length) {
-        return;
-    }
-    if (this.options.geom_name.indexOf('LineString') >= 0 || this.options.geom_name === 'GeometryCollection' || this.options.geom_name === 'Unknown') {
-        this.controls.push(new OpenLayers.Control.DrawFeature(layer, OpenLayers.Handler.Path, {'displayClass': 'olControlDrawFeaturePath'}));
-    }
-    if (this.options.geom_name.indexOf('Polygon') >= 0 || this.options.geom_name === 'GeometryCollection' || this.options.geom_name === 'Unknown') {
-        this.controls.push(new OpenLayers.Control.DrawFeature(layer, OpenLayers.Handler.Polygon, {'displayClass': 'olControlDrawFeaturePolygon'}));
-    }
-    if (this.options.geom_name.indexOf('Point') >= 0 || this.options.geom_name === 'GeometryCollection' || this.options.geom_name === 'Unknown') {
-        this.controls.push(new OpenLayers.Control.DrawFeature(layer, OpenLayers.Handler.Point, {'displayClass': 'olControlDrawFeaturePoint'}));
-    }
-    if (this.options.modifiable) {
-        this.controls.push(new OpenLayers.Control.ModifyFeature(layer, {'displayClass': 'olControlModifyFeature'}));
-    }
-};
-window.MapWidget = MapWidget;
+    MapWidget.prototype.enableEditing = function() {
+        this.map.getControlsByClass('OpenLayers.Control.ModifyFeature')[0].activate();
+    };
+
+    MapWidget.prototype.getControls = function(layer) {
+        this.panel = new OpenLayers.Control.Panel({'displayClass': 'olControlEditingToolbar'});
+        this.controls = [new OpenLayers.Control.Navigation()];
+        if (!this.options.modifiable && layer.features.length) {
+            return;
+        }
+        if (this.options.geom_name.indexOf('LineString') >= 0 || this.options.geom_name === 'GeometryCollection' || this.options.geom_name === 'Unknown') {
+            this.controls.push(new OpenLayers.Control.DrawFeature(layer, OpenLayers.Handler.Path, {'displayClass': 'olControlDrawFeaturePath'}));
+        }
+        if (this.options.geom_name.indexOf('Polygon') >= 0 || this.options.geom_name === 'GeometryCollection' || this.options.geom_name === 'Unknown') {
+            this.controls.push(new OpenLayers.Control.DrawFeature(layer, OpenLayers.Handler.Polygon, {'displayClass': 'olControlDrawFeaturePolygon'}));
+        }
+        if (this.options.geom_name.indexOf('Point') >= 0 || this.options.geom_name === 'GeometryCollection' || this.options.geom_name === 'Unknown') {
+            this.controls.push(new OpenLayers.Control.DrawFeature(layer, OpenLayers.Handler.Point, {'displayClass': 'olControlDrawFeaturePoint'}));
+        }
+        if (this.options.modifiable) {
+            this.controls.push(new OpenLayers.Control.ModifyFeature(layer, {'displayClass': 'olControlModifyFeature'}));
+        }
+    };
+    window.MapWidget = MapWidget;
 })();