Fullscreen link should reflect the user choices

But the scollWheelZoom that is forced to true.

fix #390

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

@@ -1462,7 +1462,7 @@ L.U.IframeExporter = L.Evented.extend({
     return this.map
   },
 
-  buildUrl: function () {
+  buildUrl: function (options) {
     const datalayers = []
     if (this.options.viewCurrentFeature && this.map.currentFeature) {
       this.queryString.feature = this.map.currentFeature.getSlug()
@@ -1478,14 +1478,17 @@ L.U.IframeExporter = L.Evented.extend({
       delete this.queryString.datalayers
     }
     const currentView = this.options.currentView ? window.location.hash : ''
-    return `${this.baseUrl}?${L.Util.buildQueryString(this.queryString)}${currentView}`
+    const queryString = L.extend({}, this.queryString, options)
+    return `${this.baseUrl}?${L.Util.buildQueryString(queryString)}${currentView}`
   },
 
   build: function () {
     const iframeUrl = this.buildUrl()
+    let fullUrl
     let 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}">${L._('See full screen')}</a></p>`
+      fullUrl = this.buildUrl({ scrollWheelZoom: true })
+      code += `<p><a href="${fullUrl}">${L._('See full screen')}</a></p>`
     }
     return code
   },

umap/static/umap/test/Controls.js

@@ -1,4 +1,4 @@
-describe('L.Utorage.Controls', function () {
+describe('L.U.Controls', function () {
   before(function () {
     this.server = sinon.fakeServer.create()
     this.server.respondWith(
@@ -48,4 +48,27 @@ describe('L.Utorage.Controls', function () {
       assert.equal(qsa('#browse_data_datalayer_62 ul li').length, 3)
     })
   })
+
+  describe('#exportPanel()', function () {
+    it('should be opened at datalayer button click', function () {
+      let button = qs('.leaflet-control-embed a')
+      assert.ok(button)
+      happen.click(button)
+      assert.ok(qs('#umap-ui-container .umap-share'))
+    })
+    it('should update iframe link', function () {
+      let textarea = qs('.umap-share-iframe')
+      assert.ok(textarea)
+      console.log(textarea.textContent)
+      assert.include(textarea.textContent, 'src="')
+      assert.include(textarea.textContent, 'href="')
+      // We should ave both, once for iframe link, once for full screen
+      assert.include(textarea.textContent, 'scrollWheelZoom=true')
+      assert.include(textarea.textContent, 'scrollWheelZoom=false')
+      assert.notInclude(textarea.textContent, 'datalayers=62')
+      let switcher = qs('label[title="Keep current visible layers"]')
+      happen.click(switcher)
+      assert.include(textarea.textContent, 'datalayers=62')
+    })
+  })
 })