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ol.render.Box refactoring

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Éric Lemoine
2013-12-05 11:10:25 +01:00
committed by Antoine Abt
parent 0724300685
commit 91a61f3152
1 changed files with 41 additions and 15 deletions
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56
src/ol/render/box.js
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@@ -3,6 +3,7 @@
goog.provide('ol.render.Box');
goog.require('goog.Disposable');
goog.require('goog.asserts');
goog.require('goog.events');
goog.require('ol.geom.Polygon');
goog.require('ol.render.EventType');
@@ -42,6 +43,12 @@ ol.render.Box = function(opt_style) {
*/
this.endCoordinate_ = null;
/**
* @private
* @type {ol.geom.Polygon}
*/
this.geometry_ = null;
/**
* @private
* @type {ol.style.Style}
@@ -61,23 +68,15 @@ goog.inherits(ol.render.Box, goog.Disposable);
/**
* @inheritDoc
*/
ol.render.Box.prototype.disposeInternal = function() {
this.setMap(null);
};
/**
* @param {ol.render.Event} event Event.
* @private
* @param {ol.Extent} extent Extent.
* @return {ol.geom.Polygon} Geometry.
*/
ol.render.Box.prototype.handleMapPostCompose_ = function(event) {
var render = event.getRender();
ol.render.Box.prototype.createGeometry_ = function(extent) {
goog.asserts.assert(!goog.isNull(this.startCoordinate_));
goog.asserts.assert(!goog.isNull(this.endCoordinate_));
var startCoordinate = this.startCoordinate_;
var endCoordinate = this.endCoordinate_;
var extent = event.getFrameState().extent;
var coordinates = [
// outer ring
[
@@ -94,10 +93,37 @@ ol.render.Box.prototype.handleMapPostCompose_ = function(event) {
[endCoordinate[0], startCoordinate[1]]
]
];
var geometry = new ol.geom.Polygon(coordinates);
return new ol.geom.Polygon(coordinates);
};
/**
* @inheritDoc
*/
ol.render.Box.prototype.disposeInternal = function() {
this.setMap(null);
};
/**
* @param {ol.render.Event} event Event.
* @private
*/
ol.render.Box.prototype.handleMapPostCompose_ = function(event) {
var extent = event.getFrameState().extent;
this.geometry_ = this.createGeometry_(extent);
var style = this.style_;
var render = event.getRender();
render.setFillStrokeStyle(style.getFill(), style.getStroke());
render.drawPolygonGeometry(geometry, null);
render.drawPolygonGeometry(this.geometry_, null);
};
/**
* @return {ol.geom.Polygon} Geometry.
*/
ol.render.Box.prototype.getGeometry = function() {
return this.geometry_;
};