Also expose direct map URL in the export panel

cf #699

umap/static/umap/js/umap.controls.js

@@ -1231,7 +1231,7 @@ L.U.IframeExporter = L.Evented.extend({
     return this.map
   },
 
-  build: function () {
+  buildUrl: function () {
     var datalayers = []
     if (this.options.viewCurrentFeature && this.map.currentFeature) {
       this.queryString.feature = this.map.currentFeature.getSlug()
@@ -1246,17 +1246,20 @@ L.U.IframeExporter = L.Evented.extend({
     } else {
       delete this.queryString.datalayers
     }
-    var currentView = this.options.currentView ? window.location.hash : '',
-      iframeUrl =
-        this.baseUrl + '?' + L.Util.buildQueryString(this.queryString) + currentView,
-      code =
-        '<iframe width="' +
-        this.dimensions.width +
-        '" height="' +
-        this.dimensions.height +
-        '" frameborder="0" allowfullscreen allow="geolocation" src="' +
-        iframeUrl +
-        '"></iframe>'
+    var currentView = this.options.currentView ? window.location.hash : ''
+    return this.baseUrl + '?' + L.Util.buildQueryString(this.queryString) + currentView
+  },
+
+  build: function () {
+    var iframeUrl = this.buildUrl()
+    var code =
+      '<iframe width="' +
+      this.dimensions.width +
+      '" height="' +
+      this.dimensions.height +
+      '" frameborder="0" allowfullscreen allow="geolocation" src="' +
+      iframeUrl +
+      '"></iframe>'
     if (this.options.includeFullScreenLink) {
       code += '<p><a href="' + this.baseUrl + '">' + L._('See full screen') + '</a></p>'
     }

umap/static/umap/js/umap.js

@@ -732,7 +732,10 @@ L.U.Map.include({
     var container = L.DomUtil.create('div', 'umap-share'),
       embedTitle = L.DomUtil.add('h4', '', container, L._('Embed the map')),
       iframe = L.DomUtil.create('textarea', 'umap-share-iframe', container),
+      urlTitle = L.DomUtil.add('h4', '', container, L._('Direct link')),
+      exportUrl = L.DomUtil.create('input', 'umap-share-url', container),
       option
+    exportUrl.type = 'text'
     var UIFields = [
       ['dimensions.width', { handler: 'Input', label: L._('width') }],
       ['dimensions.height', { handler: 'Input', label: L._('height') }],
@@ -766,6 +769,7 @@ L.U.Map.include({
     var iframeExporter = new L.U.IframeExporter(this)
     var buildIframeCode = () => {
       iframe.innerHTML = iframeExporter.build()
+      exportUrl.value = window.location.protocol + iframeExporter.buildUrl()
     }
     buildIframeCode()
     var builder = new L.U.FormBuilder(iframeExporter, UIFields, {
@@ -773,7 +777,7 @@ L.U.Map.include({
     })
     var iframeOptions = L.DomUtil.createFieldset(
       container,
-      L._('Iframe export options')
+      L._('Export options')
     )
     iframeOptions.appendChild(builder.build())
     if (this.options.shortUrl) {