Mercurial > pub > ImplabJs
diff src/djol/MeasureToolBase.js @ 8:f0035923ff3e
добавлена библиотека для работы с openlayers 3+
author | cin |
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date | Mon, 21 Aug 2017 17:47:00 +0300 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/djol/MeasureToolBase.js Mon Aug 21 17:47:00 2017 +0300 @@ -0,0 +1,181 @@ +define([ + "dojo/_base/declare", + "implab/safe", + "ol", + "./listen", + "./_ToolBase", + "dojo/dom-construct", + "dojo/dom-class" +], function (declare, safe, ol, listen, _ToolBase, dconstruct, dclass) { + return declare([_ToolBase], { + _draw: null, + + drawStyle: new ol.style.Style({ + fill: new ol.style.Fill({ + color: 'rgba(255, 255, 255, 0.2)' + }), + stroke: new ol.style.Stroke({ + color: 'rgba(230, 126, 34, 0.7)', + lineDash: [10, 10], + width: 2 + }), + image: new ol.style.Circle({ + radius: 5, + stroke: new ol.style.Stroke({ + color: 'rgba(0, 0, 0, 0.7)' + }), + fill: new ol.style.Fill({ + color: 'rgba(255, 255, 255, 0.2)' + }) + }) + }), + + vectorStyle: new ol.style.Style({ + fill: new ol.style.Fill({ + color: 'rgba(255, 255, 255, 0.2)' + }), + stroke: new ol.style.Stroke({ + color: '#ffcc33', + width: 2 + }), + image: new ol.style.Circle({ + radius: 7, + fill: new ol.style.Fill({ + color: '#ffcc33' + }) + }) + }), + + _map: null, + + _olMap: null, + + _measureTooltipElement: null, + /** + * Overlay to show the measurement. + * + * @type {ol.Overlay} + */ + _measureTooltip: null, + + _pointermoveKey: null, + + _sketch: null, + + _overlays: null, + + _vector: null, + + wgs84Sphere: new ol.Sphere(6378137), + + constructor: function (options) { + safe.argumentNotNull(options, "options"); + safe.argumentNotNull(options.map, "map"); + + this._map = options.map; + this._olMap = options.map.olMap; + this._overlays = []; + }, + + init: function () { + if (this._draw) + return; + + var source = new ol.source.Vector(); + + this._vector = new ol.layer.Vector({ + source: source, + style: this.vectorStyle + }); + this._map.addLayer(this._vector); + + this._draw = this._createDraw(source); + this._draw.on('drawstart', this._onDrawStart, this); + this._draw.on('drawend', this._onDrawEnd, this); + + }, + + onActivating: function () { + this.init(); + + this._pointermoveKey = listen(this._olMap, 'pointermove', safe.delegate(this, "_onPointerMove")); + this._olMap.addInteraction(this._draw); + + return this.inherited(arguments); + }, + + onDeactivating: function () { + // отключаем рисование и получение сообщений + if (this._pointermoveKey) + this._pointermoveKey.remove(); + this._olMap.removeInteraction(this._draw); + + // если был активен инструмент + if (this._sketch) { + // убиваем подсказку и сбрасываем текущее рисование + this._sketch = null; + this._measureTooltipElement = null; + this._olMap.removeOverlay(this._measureTooltip); + } + + return this.inherited(arguments); + }, + + clear: function () { + var me = this; + me.log("clear"); + if (me._vector) { + me._vector.getSource().clear(); + me._overlays.forEach(function (x) { + me._olMap.removeOverlay(x); + }); + } + }, + + _createMeasureTooltip: function () { + this._measureTooltipElement = dconstruct.create("div", { + "class": 'tooltip poisk-measure-tooltip' + }); + this._measureTooltip = new ol.Overlay({ + element: this._measureTooltipElement, + offset: [0, -15], + positioning: 'bottom-center' + }); + this._olMap.addOverlay(this._measureTooltip); + + }, + + _onDrawStart: function (evt) { + this._sketch = evt.feature; + this._createMeasureTooltip(); + }, + + _onDrawEnd: function (evt) { + + this._measureTooltip.setOffset([0, -7]); + + dclass.remove(this._measureTooltipElement, "tooltip"); + dclass.add(this._measureTooltipElement, "tooltip-static"); + + this._overlays.push(this._measureTooltip); + + this._sketch = null; + this._measureTooltip = null; + this._measureTooltipElement = null; + }, + + _onPointerMove: function (evt) { + if (this._sketch && !evt.dragging) { + this._measureTooltip.setPosition(evt.coordinate); + this._measureTooltipElement.innerHTML = this._formatTooltip( + this._sketch, + this._olMap.getView().getProjection()); + } + }, + + _formatTooltip: function (sketch, proj) { + + } + }); + +}); \ No newline at end of file