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Use CSS z-index to order layers

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This commit is contained in:
Frederic Junod
2018-11-12 21:23:46 +01:00
parent 97ed71f683
commit a64ca2b4bf
3 changed files with 59 additions and 5 deletions
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14
src/ol/renderer/Composite.js
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@@ -1,12 +1,11 @@
/**
* @module ol/renderer/canvas/Map
*/
import {stableSort} from '../array.js';
import {CLASS_UNSELECTABLE} from '../css.js';
import {visibleAtResolution} from '../layer/Layer.js';
import RenderEvent from '../render/Event.js';
import RenderEventType from '../render/EventType.js';
import MapRenderer, {sortByZIndex} from './Map.js';
import MapRenderer from './Map.js';
import SourceState from '../source/State.js';
import {replaceChildren} from '../dom.js';
@@ -79,8 +78,6 @@ class CompositeMapRenderer extends MapRenderer {
this.dispatchRenderEvent(RenderEventType.PRECOMPOSE, frameState);
const layerStatesArray = frameState.layerStatesArray;
stableSort(layerStatesArray, sortByZIndex);
const viewResolution = frameState.viewState.resolution;
this.children_.length = 0;
@@ -91,7 +88,14 @@ class CompositeMapRenderer extends MapRenderer {
}
const layer = layerState.layer;
this.children_.push(layer.render(frameState));
const element = layer.render(frameState);
if (element) {
const zIndex = layerState.zIndex;
if (zIndex !== element.style.zIndex) {
element.style.zIndex = zIndex;
}
this.children_.push(element);
}
}
replaceChildren(this.element_, this.children_);