3ca974acec
svn merge sandbox/vector-2.4/@2307 sandbox/vector-2.4/@HEAD trunk/openlayers/ git-svn-id: http://svn.openlayers.org/trunk/openlayers@2803 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
66 lines
1.9 KiB
JavaScript
66 lines
1.9 KiB
JavaScript
/* Copyright (c) 2006 MetaCarta, Inc., published under a modified BSD license.
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* See http://svn.openlayers.org/trunk/openlayers/repository-license.txt
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* for the full text of the license. */
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/**
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* @class
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*
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* A LineString is a Curve which, once two points have been added to it, can
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* never be less than two points long.
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*
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* @requires OpenLayers/Geometry/Curve.js
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*/
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OpenLayers.Geometry.LineString = OpenLayers.Class.create();
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OpenLayers.Geometry.LineString.prototype =
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OpenLayers.Class.inherit(OpenLayers.Geometry.Curve, {
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/**
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* @constructor
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*
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* @param {Array(OpenLayers.Geometry.Point)} points
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*/
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initialize: function(points) {
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OpenLayers.Geometry.Curve.prototype.initialize.apply(this,
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arguments);
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},
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/**
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* @returns The coordinates components as a string
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* @type String
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*/
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toString: function() {
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return this.components.toString();
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},
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/**
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* @returns An exact clone of this OpenLayers.Feature
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* @type OpenLayers.Feature
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*/
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clone: function (obj) {
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if (obj == null) {
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obj = new OpenLayers.Geometry.LineString();
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}
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for (var i = 0; i < this.components.length; i++) {
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obj.addComponent(this.components[i].clone());
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}
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return obj;
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},
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/** Only allows removal of a point if there are three or more points in
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* the linestring. (otherwise the result would be just a single point)
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*
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* @param {OpenLayers.Geometry.Point} point
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*/
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removeComponent: function(point) {
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if ( this.components && (this.components.length > 2)) {
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OpenLayers.Geometry.Curve.prototype.removeComponent.apply(this,
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arguments);
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}
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},
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/** @final @type String */
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CLASS_NAME: "OpenLayers.Geometry.LineString"
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});
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