93 lines
1.8 KiB
JavaScript
93 lines
1.8 KiB
JavaScript
/**
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* Demonstrate stacking with z-index. Layers and controls
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* can be ordered with z-index, but controls always appear
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* above layers.
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*/
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import Control from '../../../../src/ol/control/Control.js';
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import Layer from '../../../../src/ol/layer/Layer.js';
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import Map from '../../../../src/ol/Map.js';
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import SourceState from '../../../../src/ol/source/State.js';
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import View from '../../../../src/ol/View.js';
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class Element extends Layer {
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constructor(options, style) {
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super(options);
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const element = document.createElement('div');
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element.style.position = 'absolute';
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Object.assign(element.style, style);
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this.element = element;
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}
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getSourceState() {
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return SourceState.READY;
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}
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render() {
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return this.element;
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}
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createRenderer() {
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return {};
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}
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}
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// elements for stacked controls
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const element1 = document.createElement('div');
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const style1 = element1.style;
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style1.position = 'absolute';
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style1.background = 'blue';
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style1.width = '25%';
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style1.height = '50%';
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style1.zIndex = '1';
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const element2 = document.createElement('div');
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const style2 = element2.style;
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style2.position = 'absolute';
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style2.background = 'orange';
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style2.width = '75%';
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style2.height = '25%';
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style2.zIndex = '-1';
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new Map({
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target: 'map',
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layers: [
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new Element(
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{
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zIndex: 200,
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},
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{
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background: 'red',
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width: '50%',
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height: '100%',
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}
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),
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new Element(
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{
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zIndex: -200,
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},
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{
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background: 'green',
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width: '100%',
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height: '50%',
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}
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),
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],
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controls: [
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new Control({
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element: element1,
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}),
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new Control({
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element: element2,
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}),
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],
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view: new View({
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center: [0, 0],
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zoom: 0,
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}),
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});
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render();
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