Merge pull request #100 from thirdknife/selectinverse_bp

Select-inverse of current selection via Cmd/crtl-I

app/SequenceEditor.js

@@ -48,6 +48,7 @@ class SequenceEditor extends React.Component {
             sequenceDataInserted,
             backspacePressed,
             selectAll,
+            selectInverse,
         } = this.props.signals;
         var self = this;
         combokeys = new Combokeys(document.documentElement);
@@ -101,6 +102,10 @@ class SequenceEditor extends React.Component {
             selectAll();
             event.stopPropagation();
         });
+        combokeys.bindGlobal('command+ctrl+i', function(event) { // Handle shortcut
+            selectInverse();
+            event.stopPropagation();
+        });
     }
 
     handlePaste(event) {

app/actions/selectInverse.js

@@ -0,0 +1,11 @@
+export default function selectInverse(input, tree, output) {
+    //compare the sequenceString being pasted in with what's already stored in the clipboard
+    var selectionLayer = tree.get(['selectionLayer']);
+
+    output({
+        selectionLayer: {
+            start: selectionLayer.end,
+            end: selectionLayer.start - 1
+        }
+    });
+}

app/signals.js

@@ -13,6 +13,7 @@ export default function registerSignals(controller, options) {
         error: [] //tnr: we should probably have some sort of generic info/warning message that we can display when things go wrong
     }]);
     controller.signal('selectAll', [a.selectAll, a.setSelectionLayer]);
+    controller.signal('selectInverse', [a.selectInverse, a.setSelectionLayer]);
     controller.signal('sequenceDataInserted', [
         a.getData('selectionLayer', 'sequenceLength', 'sequenceData'),
         a.checkLayerIsSelected, {