8ba31e4a91
git-svn-id: http://svn.openlayers.org/trunk/openlayers@9154 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
111 lines
3.2 KiB
JavaScript
111 lines
3.2 KiB
JavaScript
/* Copyright (c) 2006-2008 MetaCarta, Inc., published under the Clear BSD
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* license. See http://svn.openlayers.org/trunk/openlayers/license.txt for the
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* full text of the license. */
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/**
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* @requires OpenLayers/Control.js
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* @requires OpenLayers/Feature/Vector.js
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*/
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/**
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* Class: OpenLayers.Control.DrawFeature
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* The DrawFeature control draws point, line or polygon features on a vector
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* layer when active.
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*
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* Inherits from:
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* - <OpenLayers.Control>
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*/
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OpenLayers.Control.DrawFeature = OpenLayers.Class(OpenLayers.Control, {
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/**
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* Property: layer
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* {<OpenLayers.Layer.Vector>}
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*/
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layer: null,
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/**
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* Property: callbacks
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* {Object} The functions that are sent to the handler for callback
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*/
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callbacks: null,
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/**
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* Constant: EVENT_TYPES
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*
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* Supported event types:
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* featureadded - Triggered when a feature is added
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*/
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EVENT_TYPES: ["featureadded"],
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/**
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* APIProperty: featureAdded
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* {Function} Called after each feature is added
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*/
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featureAdded: function() {},
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/**
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* APIProperty: handlerOptions
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* {Object} Used to set non-default properties on the control's handler
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*/
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handlerOptions: null,
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/**
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* Constructor: OpenLayers.Control.DrawFeature
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*
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* Parameters:
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* layer - {<OpenLayers.Layer.Vector>}
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* handler - {<OpenLayers.Handler>}
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* options - {Object}
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*/
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initialize: function(layer, handler, options) {
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// concatenate events specific to vector with those from the base
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this.EVENT_TYPES =
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OpenLayers.Control.DrawFeature.prototype.EVENT_TYPES.concat(
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OpenLayers.Control.prototype.EVENT_TYPES
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);
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OpenLayers.Control.prototype.initialize.apply(this, [options]);
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this.callbacks = OpenLayers.Util.extend(
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{
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done: this.drawFeature,
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modify: function(vertex, feature) {
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this.layer.events.triggerEvent(
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"sketchmodified", {vertex: vertex, feature: feature}
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);
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}
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},
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this.callbacks
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);
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this.layer = layer;
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var sketchStyle = this.layer.styleMap && this.layer.styleMap.styles.temporary;
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if(sketchStyle) {
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this.handlerOptions = this.handlerOptions || {};
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this.handlerOptions.layerOptions = OpenLayers.Util.applyDefaults(
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this.handlerOptions.layerOptions,
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{styleMap: new OpenLayers.StyleMap({"default": sketchStyle})}
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);
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}
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this.handler = new handler(this, this.callbacks, this.handlerOptions);
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},
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/**
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* Method: drawFeature
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*/
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drawFeature: function(geometry) {
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var feature = new OpenLayers.Feature.Vector(geometry);
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var proceed = this.layer.events.triggerEvent(
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"sketchcomplete", {feature: feature}
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);
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if(proceed !== false) {
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feature.state = OpenLayers.State.INSERT;
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this.layer.addFeatures([feature]);
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this.featureAdded(feature);
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this.events.triggerEvent("featureadded",{feature : feature});
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}
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},
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CLASS_NAME: "OpenLayers.Control.DrawFeature"
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});
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