diff src/djol/Map.js @ 8:f0035923ff3e

добавлена библиотека для работы с openlayers 3+
author cin
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/Map.js	Mon Aug 21 17:47:00 2017 +0300
@@ -0,0 +1,176 @@
+define([
+    "dijit/registry",
+    "dojo/_base/declare",
+    "dijit/_WidgetBase",
+    "dojo/dom-construct",
+    "./PopupContainer",
+    "dojo/_base/array",
+    "ol",
+    "ol3/listen",
+    "dojo/Deferred",
+    "implab/safe"
+], function (registry, declare, _WidgetBase, dom, PopupContainer, array, ol, listen, Deferred, safe) {
+
+    return declare([_WidgetBase], {
+        popupOverlays: null,
+        olMap: null,
+
+        _pending: null,
+
+        constructor: function () {
+            this._pending = {};
+        },
+
+        buildRendering: function () {
+            this.domNode = dom.create("div");
+        },
+
+        postCreate: function () {
+            this.inherited(arguments);
+            this.popupOverlays = {};
+            this.olMap = new ol.Map({
+                target: this.domNode,
+                layers: this.layers,
+                view: this.view,
+                controls: this.controls || [],
+            });
+        },
+
+        getProjection : function() {
+            return this.view.getProjection();
+        },
+
+        addInteraction: function (value) {
+            this.olMap.addInteraction(value);
+        },
+
+        addLayer: function (layer) {
+            if (layer) {
+                if (layer.get("layerType") == "base")
+                    this.olMap.getLayers().insertAt(0, layer);
+                else
+                    this.olMap.addLayer(layer);
+            }
+        },
+
+        removeLayer: function(layer) {
+            this.olMap.removeLayer(layer);
+        },
+
+        startup: function () {
+            this.inherited(arguments);
+
+            this.olMap.updateSize();
+        },
+
+        showPopup: function (contentWidget, position, opts) {
+            // Скрыть popups указанной в opts.role роли, если (opts.hint ==
+            // "replace")
+            // Если не задан opts или opta.hint скрывать все popup
+
+            var me = this;
+
+            if ((!opts) || (!opts.hint)) {
+                this.closeAllPopups();
+            } else if ((opts.hint) && (opts.hint == "replace")) {
+                if (opts.role) {
+                    this.closePopupsByRole(opts.role);
+                } else {
+                    this.closeAllPopups();
+                }
+            }
+            var overlay = new ol.Overlay({});
+
+            if (opts && (opts.role)) {
+                if (this.popupOverlays[opts.role]) {
+                    this.popupOverlays[opts.role].push(overlay);
+                } else {
+                    this.popupOverlays[opts.role] = [overlay];
+                }
+            }
+
+            // Отображение popUp start
+            this.olMap.addOverlay(overlay);
+            var popup = new PopupContainer({
+                overlay: overlay,
+                map: this.olMap,
+                onClose: function () {
+                    // registry.byNode(overlay.getElement()).destroyRecursive();
+                    array.forEach(me.popupOverlays[opts.role], function (o) {
+                        if (o === overlay) {
+                            var index = me.popupOverlays[opts.role].indexOf(o);
+                            if (index > -1) {
+                                me.popupOverlays[opts.role].splice(index, 1);
+                            }
+                        }
+                    });
+                }
+            });
+            overlay.setElement(popup.domNode);
+            popup.show(contentWidget);
+            overlay.setPosition(position);
+            popup.hideOverlay();
+            // end
+            return popup;
+        },
+
+        closeAllPopups: function () {
+            var overlays = this.olMap.getOverlays();
+            overlays.forEach(function (elenemt, index) {
+                registry.byNode(elenemt.getElement()).destroyRecursive();
+            }, this);
+            this.popupOverlays = {};
+        },
+
+        closePopupsByRole: function (role) {
+            if (this.popupOverlays[role]) {
+                array.forEach(this.popupOverlays[role], function (overlay) {
+                    registry.byNode(overlay.getElement()).destroyRecursive();
+                });
+                this.popupOverlays[role] = [];
+            }
+        },
+
+        /**
+         * Подписывается на событие карты
+         * 
+         * @param {String}
+         *            name Имя события
+         * @param {function(evt)}
+         *            filter Фильтр того, что событие нужное
+         * 
+         * @returns {ol.ObjectEvent | ol.MapBroeserEvent | ol.MapEvent} Событие
+         *          на которое подписались.
+         */
+        awaitMapEvent: function (name, filter) {
+            safe.argumentNotEmptyString(name, "name");
+            var map = this.olMap,
+                handle, d, me = this;
+
+            if (me._pending[name])
+                throw new Error("An event is already pending: " + name);
+
+            me._pending[name] = d = new Deferred(function () {
+                handle.remove();
+            });
+
+            handle = listen.once(map, name, function (evt) {
+                if (!filter || filter(evt))
+                    d.resolve(evt);
+            });
+
+            return d.then(function (evt) {
+                delete me._pending[name];
+                return evt;
+            }, function (err) {
+                delete me._pending[name];
+                throw err;
+            });
+        },
+
+        cancelPendingEvents: function () {
+            for (var name in this._pending)
+                this._pending[name].cancel();
+        }
+    });
+});
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