Permalink have the map swipe value.

contribs/gmf/apps/desktop/index.html.ejs

@@ -230,7 +230,8 @@
         <ngeo-mapswipe
           ng-if="mainCtrl.gmfLayerBeingSwipe.layer != null"
           map="::mainCtrl.map"
-          layer="::mainCtrl.gmfLayerBeingSwipe.layer">
+          layer="::mainCtrl.gmfLayerBeingSwipe.layer"
+          swipe-value="mainCtrl.gmfLayerBeingSwipe.swipeValue">
         </ngeo-mapswipe>
         <ngeo-displaywindow
           content="mainCtrl.displaywindowContent"

contribs/gmf/apps/desktop_alt/index.html.ejs

@@ -278,7 +278,8 @@
         <ngeo-mapswipe
           ng-if="mainCtrl.gmfLayerBeingSwipe.layer != null"
           map="::mainCtrl.map"
-          layer="::mainCtrl.gmfLayerBeingSwipe.layer">
+          layer="::mainCtrl.gmfLayerBeingSwipe.layer"
+          swipe-value="mainCtrl.gmfLayerBeingSwipe.swipeValue">
         </ngeo-mapswipe>
         <ngeo-displaywindow
           content="mainCtrl.displaywindowContent"

contribs/gmf/src/datasource/LayerBeingSwipe.js

@@ -6,6 +6,7 @@ import angular from 'angular';
  * @property {import('ol/Map.js').default} map
  * @property {?import("ol/layer/Layer.js").default<import('ol/source/Source.js').default>
  * |import("ol/layer/Group.js").default} layer;
+ * @property {number} swipeValue;
  */
 
 /**
@@ -14,7 +15,8 @@ import angular from 'angular';
  */
 const module = angular.module('gmfLayerBeingSwipe', []);
 module.value('gmfLayerBeingSwipe', {
-  layer: null
+  layer: null,
+  swipeValue: null
 });
 
 export default module;

contribs/gmf/src/index.js

@@ -31,6 +31,7 @@ export const PermalinkParam = {
   FEATURES: 'rl_features',
   MAP_CROSSHAIR: 'map_crosshair',
   MAP_SWIPE: 'map_swipe',
+  MAP_SWIPE_VALUE: 'map_swipe_value',
   MAP_TOOLTIP: 'map_tooltip',
   MAP_X: 'map_x',
   MAP_Y: 'map_y',

contribs/gmf/src/permalink/Permalink.js

@@ -641,6 +641,11 @@ export function PermalinkService(
     () => this.gmfLayerBeingSwipe_.layer,
     this.handleLayerBeingSwipeChange_.bind(this));
 
+  // Watch map swipe value.
+  this.rootScope_.$watch(
+    () => this.gmfLayerBeingSwipe_.swipeValue,
+    this.handleMapSwipeValue_.bind(this));
+
   // External DataSources
 
   /**
@@ -709,11 +714,31 @@ PermalinkService.prototype.handleLayerBeingSwipeChange_ = function(layer, oldLay
   if (layer) {
     /** @type {Object<string, object>} */
     const object = {};
+    const mapSwipeValue = this.gmfLayerBeingSwipe_.swipeValue;
+    if (mapSwipeValue === null) {
+      this.gmfLayerBeingSwipe_.swipeValue = 0.5;
+    }
     const dataSourceId = layer.get('dataSourceId');
     object[PermalinkParam.MAP_SWIPE] = dataSourceId;
+    object[PermalinkParam.MAP_SWIPE_VALUE] = mapSwipeValue;
     this.ngeoStateManager_.updateState(object);
   } else {
     this.ngeoStateManager_.deleteParam(PermalinkParam.MAP_SWIPE);
+    this.ngeoStateManager_.deleteParam(PermalinkParam.MAP_SWIPE_VALUE);
+  }
+};
+
+/**
+ * Called when map swipe value change.
+ * @private
+ */
+PermalinkService.prototype.handleMapSwipeValue_ = function() {
+  const mapSwipeValue = this.gmfLayerBeingSwipe_.swipeValue;
+  /** @type {Object<string, object>} */
+  const object = {};
+  if (mapSwipeValue && mapSwipeValue !== null && mapSwipeValue !== undefined) {
+    object[PermalinkParam.MAP_SWIPE_VALUE] = mapSwipeValue;
+    this.ngeoStateManager_.updateState(object);
   }
 };
 
@@ -1284,6 +1309,10 @@ PermalinkService.prototype.initLayers_ = function() {
       // Get the layerBeingSwipe value from Permalink.
       const layerBeingSwipeValue = this.ngeoStateManager_.getInitialNumberValue(
         PermalinkParam.MAP_SWIPE);
+      // Get the map swipe value from Permalink.
+      const mapSwipeValue = this.ngeoStateManager_.getInitialNumberValue(
+        PermalinkParam.MAP_SWIPE_VALUE
+      );
       /**
        * Enable the layers and set the opacity
        * @param {import('ngeo/layertree/Controller.js').LayertreeController} treeCtrl Controller
@@ -1308,6 +1337,9 @@ PermalinkService.prototype.initLayers_ = function() {
           // === Set the gmfLayerBeingSwipe layer ===
           if (layerBeingSwipeValue !== null && layerBeingSwipeValue !== undefined
             && treeCtrl.layer.get('dataSourceId') === layerBeingSwipeValue) {
+            if (mapSwipeValue !== null && mapSwipeValue !== undefined) {
+              this.gmfLayerBeingSwipe_.swipeValue = mapSwipeValue;
+            }
             this.gmfLayerBeingSwipe_.layer = treeCtrl.layer;
           }
         }

src/map/swipe.js

@@ -82,7 +82,7 @@ class SwipeController {
     /**
      * @type {number}
      */
-    this.swipeValue = 0.5;
+    this.swipeValue;
 
     /**
      * @type {JQuery}
@@ -108,6 +108,7 @@ class SwipeController {
    * Init the controller
    */
   $onInit() {
+    this.swipeValue = this.swipeValue !== undefined ? this.swipeValue : 0.5;
     this.layerKeys_.push(listen(this.layer, 'prerender', this.handleLayerPrerender_, this));
     this.layerKeys_.push(listen(this.layer, 'postrender', this.handleLayerPostrender_, this));
 
@@ -179,7 +180,8 @@ module.component('ngeoMapswipe', {
   controller: SwipeController,
   bindings: {
     map: '<',
-    layer: '<'
+    layer: '<',
+    swipeValue: '='
   },
   templateUrl: ngeoMapswipeTemplateUrl
 });