From c55355359ac1071200bd1ce04de78d3be1f43b52 Mon Sep 17 00:00:00 2001
From: Alon Levy <alon@pobox.com>
Date: Thu, 4 Dec 2014 00:03:01 +0200
Subject: fix selection inversion: Fixes #144

---
 src/rz_core.js        |  2 --
 src/view/selection.js | 11 +++++++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/rz_core.js b/src/rz_core.js
index 276887ac..64bbc469 100644
--- a/src/rz_core.js
+++ b/src/rz_core.js
@@ -225,8 +225,6 @@ function update_view__graph(no_relayout) {
             });
             view.edge_info.show(d);
             selection.update([src, dst]);
-            src.state = 'chosen';
-            dst.state = 'chosen';
             update_view__graph(true);
         });
 
diff --git a/src/view/selection.js b/src/view/selection.js
index dfc043e1..32527631 100644
--- a/src/view/selection.js
+++ b/src/view/selection.js
@@ -28,7 +28,6 @@ function connectedComponent(nodes) {
         data;
 
     selection = true;
-    nodes.forEach(function (n) { n.state = 'chosen'; });
 
     for (i = 0 ; i < connected.nodes.length ; ++i) {
         data = connected.nodes[i];
@@ -54,6 +53,7 @@ function connectedComponent(nodes) {
             break;
         };
     }
+    nodes.forEach(function (n) { n.state = 'chosen'; });
 }
 
 var node_selected = function(node) {
@@ -75,9 +75,16 @@ function all(arr, pred)
     return arr.length == arr.filter(pred).length;
 }
 
+function all_state(arr, state)
+{
+    return all(arr, function(a) { return a.state == state; })
+}
+
 var update = function(nodes) {
+    // clear resets state
+    var set = !all_state(nodes, 'chosen');
     clear();
-    if (all(nodes, function(node) { return node.state != 'chosen'; })) {
+    if (set) {
         connectedComponent(nodes);
     }
 }
-- 
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