From 2cf5049cf170f2560ce398f401adae9d7c2f1614 Mon Sep 17 00:00:00 2001
From: Gery Debongnie <ged@openerp.com>
Date: Wed, 11 Dec 2013 11:22:46 +0100
Subject: [PATCH] [IMP] improves the way line chart format the different titles
 in the legend (addon web_graph)

bzr revid: ged@openerp.com-20131211102246-88y7r63d6wgvz4u5
---
 addons/web_graph/static/src/js/charts.js | 22 +++++++++++-----------
 addons/web_graph/static/src/js/pivot.js  | 14 ++++++++++++++
 2 files changed, 25 insertions(+), 11 deletions(-)

diff --git a/addons/web_graph/static/src/js/charts.js b/addons/web_graph/static/src/js/charts.js
index 7478668865c..b4a958ded5b 100644
--- a/addons/web_graph/static/src/js/charts.js
+++ b/addons/web_graph/static/src/js/charts.js
@@ -173,20 +173,20 @@ openerp.web_graph.bar_chart = function (pivot, svg, measure_label) {
 
 
 openerp.web_graph.line_chart = function (pivot, svg, measure_label) {
-    var data = [],
-        dim_x = pivot.rows.groupby.length,
+    var dim_x = pivot.rows.groupby.length,
         dim_y = pivot.cols.groupby.length;
 
-    if (dim_y === 0) {
-        pivot.cols.main.title = measure_label;
-    }
-    _.each(pivot.cols.headers, function (col) {
-        if (!col.is_expanded) {
-            var values = _.map(pivot.get_rows_depth(dim_x), function (row) {
-                return {x: row.title, y: pivot.get_value(row.id,col.id, 0)};
-            });
-            data.push({values: values, key: col.title || 'Undefined'});
+    var data = _.map(pivot.get_cols_leaves(), function (col) {
+        var values = _.map(pivot.get_rows_depth(dim_x), function (row) {
+            return {x: row.title, y: pivot.get_value(row.id,col.id, 0)};
+        });
+        var title = _.map(col.path, function (p) {
+            return p || 'Undefined';
+        }).join('/');
+        if (dim_y === 0) {
+            title = measure_label
         }
+        return {values: values, key: title};
     });
 
     nv.addGraph(function () {
diff --git a/addons/web_graph/static/src/js/pivot.js b/addons/web_graph/static/src/js/pivot.js
index 78f95548106..cc43329e0b1 100644
--- a/addons/web_graph/static/src/js/pivot.js
+++ b/addons/web_graph/static/src/js/pivot.js
@@ -114,6 +114,20 @@ openerp.web_graph.PivotTable = openerp.web.Class.extend({
 		});
 	},
 
+	// return all non expanded rows
+	get_rows_leaves: function () {
+		return _.filter(this.rows.headers, function (hdr) { 
+			return !hdr.is_expanded; 
+		});
+	},
+	
+	// return all non expanded cols
+	get_cols_leaves: function () {
+		return _.filter(this.cols.headers, function (hdr) { 
+			return !hdr.is_expanded; 
+		});
+	},
+	
 	fold: function (header) {
 		var list = [];
 		function tree_traversal(tree) {