[Pkg-javascript-commits] [d3-tip.js] 128/277: implement nw direction support

[bhuvan krishna]

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bhuvan-guest pushed a commit to branch master
in repository d3-tip.js.

commit f4e97bd9f4cd8933247eaa9f0c3647f559d79af3
Author: Justin Palmer <justin at github.com>
Date:   Sun Apr 21 18:36:29 2013 -0700

    implement nw direction support
---
 src/d3.tip.js | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/d3.tip.js b/src/d3.tip.js
index 7a2dbcb..fb5e0da 100644
--- a/src/d3.tip.js
+++ b/src/d3.tip.js
@@ -123,10 +123,11 @@ d3.tip = function() {
   function d3_tip_html() { return ' ' }
 
   var direction_callbacks = d3.map({
-    n: direction_n,
-    s: direction_s,
-    e: direction_e,
-    w: direction_w
+    n:  direction_n,
+    s:  direction_s,
+    e:  direction_e,
+    w:  direction_w,
+    nw: direction_nw
   })
 
   function direction_n() {
@@ -161,6 +162,14 @@ d3.tip = function() {
     }
   }
 
+  function direction_nw() {
+    var bbox = get_screen_bbox()
+    return {
+      top:  bbox.nw.y - node.offsetHeight,
+      left: bbox.nw.x - node.offsetWidth
+    }
+  }
+
   function init_node() {
     var node = document.createElement('div')
     node.style.position = 'absolute'

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