| /* 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" | |
| }); | |