video edit panel: add getClipSelection method (clips selected in list or - potentially cut and dereferenced - clips selected in in-to-out)

source/Ox.UI/js/Video/VideoEditPanel.js

@@ -361,6 +361,7 @@ Ox.VideoEditPanel = function(options, self) {
             resize: resizeClips,
             resizeend: resizeendClips,
             select: function(data) {
+                self.options.selected = data;
                 that.triggerEvent('select', data);
             },
             sort: function(data) {
@@ -420,6 +421,39 @@ Ox.VideoEditPanel = function(options, self) {
         return Ox.getObjectById(self.options.clips, id);
     }
 
+    function getClipsInSelection() {
+        // FIXME: there should be a library function (intersect?) for this
+        var clips = self.options.clips.filter(function(clip) {
+            var endPosition = clip.position + clip.duration;
+            return (
+                clip.position >= self.options['in']
+                && endPosition < self.options.out
+            ) || (
+                clip.position <= self.options['in']
+                && endPosition > self.options['in']
+            ) || (
+                clip.position < self.options.out
+                && endPosition >= self.options.out
+            )
+        });
+        return clips.map(function(clip, index) {
+            var dereference = false,
+                endPosition = clip.position + clip.duration,
+                inPoint = clip['in'],
+                outPoint = clip.out;
+            if (index == 0 && clip.position < self.options['in']) {
+                dereference = true;
+                inPoint = Ox.round(clip['in'] + self.options['in'] - clip.position, 3);
+            }
+            if (index == clips.length - 1 && endPosition > self.options.out) {
+                dereference = true;
+                outPoint = Ox.round(clip.out + self.options.out - endPosition, 3);
+            }
+            return clip.annotation && !dereference ? clip.annotation
+                : clip.item + '/' + inPoint + '-' + outPoint;
+        });
+    }
+
     function getCuts() {
         var cuts = [];
         self.options.clips.forEach(function(clip, i) {
@@ -591,6 +625,13 @@ Ox.VideoEditPanel = function(options, self) {
         });
     }
 
+    that.getClipSelection = function() {
+        return self.options.selected.length ? self.options.selected.map(function(id) {
+            var clip = getClipById(id);
+            return clip.annotation || clip.item + '/' + clip['in'] + '-' + clip.out;
+        }) : getClipsInSelection();
+    };
+
     that.invertSelection = function() {
         self.$clipPanel.invertSelection();
     };