FEATURE: Make collection export option dynamic (#523)

* FEATURE: Make collection export option dynamic

Resolves #522

* REFACTOR: Minor changes

Changes:
 - New version 0.11.2
 - Rollback Gruntfile changes
 - .images call from JSON.stringify(opts.collection.images) attached to
generateExportJson

dist/leaflet.distortableimage.js

@@ -3040,6 +3040,10 @@ L.DistortableCollection.Edit = L.Handler.extend({
   },
 
   cancelExport: function() {
+    if (!this.customCollection) {
+      this._exportOpts.collection = undefined;
+    }
+
     clearInterval(this.updateInterval);
   },
 
@@ -3116,6 +3120,11 @@ L.DistortableCollection.Edit = L.Handler.extend({
 
           if (data.status === 'complete') {
             clearInterval(self.updateInterval);
+
+            if (!self.customCollection) {
+              self._exportOpts.collection = undefined;
+            }
+
             resolve();
             if (data.jpg !== null) {
               alert('Export succeeded. ' + opts.exportUrl + data.jpg);
@@ -3150,15 +3159,22 @@ L.DistortableCollection.Edit = L.Handler.extend({
           crossDomain: true,
           type: 'POST',
           data: {
-            collection: JSON.stringify(opts.collection.images),
+            collection: JSON.stringify(opts.collection),
             scale: opts.scale,
             upload: true,
           },
           success: function(data) { opts.handleStatusRes(data); }, // this handles the initial response
         });
       }
 
-      opts.collection = opts.collection || this._group.generateExportJson();
+      // If the user has passed collection property
+      if (opts.collection) {
+        self.customCollection = true;
+      } else {
+        self.customCollection = false;
+        opts.collection = this._group.generateExportJson().images;
+      }
+
       opts.frequency = opts.frequency || 3000;
       opts.scale = opts.scale || 100; // switch it to _getAvgCmPerPixel !
       opts.updater = opts.updater || _defaultUpdater;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "leaflet-distortableimage",
-  "version": "0.11.1",
+  "version": "0.11.2",
   "description": "Leaflet plugin enabling image overlays to be distorted, stretched, and warped (built for Public Lab's MapKnitter: http://publiclab.org).",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",

src/edit/DistortableCollection.Edit.js

@@ -199,6 +199,10 @@ L.DistortableCollection.Edit = L.Handler.extend({
   },
 
   cancelExport: function() {
+    if (!this.customCollection) {
+      this._exportOpts.collection = undefined;
+    }
+
     clearInterval(this.updateInterval);
   },
 
@@ -275,6 +279,11 @@ L.DistortableCollection.Edit = L.Handler.extend({
 
           if (data.status === 'complete') {
             clearInterval(self.updateInterval);
+
+            if (!self.customCollection) {
+              self._exportOpts.collection = undefined;
+            }
+
             resolve();
             if (data.jpg !== null) {
               alert('Export succeeded. ' + opts.exportUrl + data.jpg);
@@ -309,15 +318,22 @@ L.DistortableCollection.Edit = L.Handler.extend({
           crossDomain: true,
           type: 'POST',
           data: {
-            collection: JSON.stringify(opts.collection.images),
+            collection: JSON.stringify(opts.collection),
             scale: opts.scale,
             upload: true,
           },
           success: function(data) { opts.handleStatusRes(data); }, // this handles the initial response
         });
       }
 
-      opts.collection = opts.collection || this._group.generateExportJson();
+      // If the user has passed collection property
+      if (opts.collection) {
+        self.customCollection = true;
+      } else {
+        self.customCollection = false;
+        opts.collection = this._group.generateExportJson().images;
+      }
+
       opts.frequency = opts.frequency || 3000;
       opts.scale = opts.scale || 100; // switch it to _getAvgCmPerPixel !
       opts.updater = opts.updater || _defaultUpdater;