Files
openlayers/src/ol/renderer/dom/dommaprenderer.js
2013-01-17 12:40:54 +01:00

104 lines
2.3 KiB
JavaScript

goog.provide('ol.renderer.dom.Map');
goog.require('goog.asserts');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.events');
goog.require('goog.events.Event');
goog.require('goog.style');
goog.require('ol.Coordinate');
goog.require('ol.FrameState');
goog.require('ol.layer.TileLayer');
goog.require('ol.renderer.Map');
goog.require('ol.renderer.dom.TileLayer');
/**
* @constructor
* @extends {ol.renderer.Map}
* @param {Element} container Container.
* @param {ol.Map} map Map.
*/
ol.renderer.dom.Map = function(container, map) {
goog.base(this, container, map);
/**
* @type {!Element}
* @private
*/
this.layersPane_ = goog.dom.createElement(goog.dom.TagName.DIV);
this.layersPane_.className = 'ol-layers-pane ol-unselectable';
var style = this.layersPane_.style;
style.position = 'absolute';
style.width = '100%';
style.height = '100%';
goog.dom.insertChildAt(container, this.layersPane_, 0);
/**
* @private
* @type {boolean}
*/
this.renderedVisible_ = true;
};
goog.inherits(ol.renderer.dom.Map, ol.renderer.Map);
/**
* @inheritDoc
*/
ol.renderer.dom.Map.prototype.addLayer = function(layer) {
goog.base(this, 'addLayer', layer);
this.getMap().render();
};
/**
* @inheritDoc
*/
ol.renderer.dom.Map.prototype.createLayerRenderer = function(layer) {
if (layer instanceof ol.layer.TileLayer) {
var layerRenderer = new ol.renderer.dom.TileLayer(this, layer);
goog.dom.appendChild(this.layersPane_, layerRenderer.getTarget());
return layerRenderer;
} else {
goog.asserts.assert(false);
return null;
}
};
/**
* @inheritDoc
*/
ol.renderer.dom.Map.prototype.renderFrame = function(frameState) {
if (goog.isNull(frameState)) {
if (this.renderedVisible_) {
goog.style.showElement(this.layersPane_, false);
this.renderedVisible_ = false;
}
return;
}
goog.array.forEach(frameState.layersArray, function(layer) {
var layerState = frameState.layerStates[goog.getUid(layer)];
if (!layerState.ready) {
return;
}
var layerRenderer = this.getLayerRenderer(layer);
layerRenderer.renderFrame(frameState, layerState);
}, this);
if (!this.renderedVisible_) {
goog.style.showElement(this.layersPane_, true);
this.renderedVisible_ = true;
}
this.calculateMatrices2D(frameState);
};