New module: web_graph_improved.

web_graph_improved/README.md

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+Charts, Improved.
+=================
+
+Various improvements to the graph view:
+
+ * Bar: can plot multiple variables (called measures in the odoo client)
+   when there is only one row group

web_graph_improved/__init__.py

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+

web_graph_improved/__openerp__.py

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+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Author: Leonardo Donelli @ Creativi Quadrati
+#    Copyright (C) 2014 Leonardo Donelli <learts92@gmail.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+
+{
+    'name': 'Better Charts',
+    'version': '0.1',
+    'category': 'Web',
+    'summary': 'Improves graph views.',
+    'author': 'Leonardo Donelli',
+    'website': 'http://learts.glaucus.in',
+    'depends': ['web_graph'],
+    'data': ['view/graph_improved_view.xml'],
+    'installable': True,
+    'auto_install': False,
+}

web_graph_improved/static/src/js/web_graph_improved.js

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+openerp.web_graph_improved = function(instance) {
+
+    instance.web_graph.Graph.include({
+        bar: function() {
+            var self = this,
+                dim_x = this.pivot.rows.groupby.length,
+                dim_y = this.pivot.cols.groupby.length,
+                show_controls = (this.width > 400 && this.height > 300 && dim_x + dim_y >=2),
+                data;
+
+            // No groupby 
+            if ((dim_x === 0) && (dim_y === 0)) {
+                data = [{key: _t('Total'), values:[{
+                    x: _t('Total'),
+                    y: this.pivot.get_total()[0],
+                }]}];
+            // Only column groupbys 
+            } else if ((dim_x === 0) && (dim_y >= 1)){
+                data =  _.map(this.pivot.get_cols_with_depth(1), function (header) {
+                    return {
+                        key: header.title,
+                        values: [{x:header.title, y: self.pivot.get_total(header)[0]}]
+                    };
+                });
+            // Just 1 row groupby 
+            } else if ((dim_x === 1) && (dim_y === 0))  {
+                data = _.map(self.pivot.measures, function(measure, i) {
+                    var series = _.map(self.pivot.main_row().children, function (pt) {
+                        var value = self.pivot.get_total(pt)[i],
+                        title = (pt.title !== undefined) ? pt.title : _t('Undefined');
+                        return {x: title, y: value};
+                    });
+                    return {key: self.pivot.measures[i].string, values:series};
+                });
+            // 1 row groupby and some col groupbys
+            } else if ((dim_x === 1) && (dim_y >= 1))  {
+                data = _.map(this.pivot.get_cols_with_depth(1), function (colhdr) {
+                    var values = _.map(self.pivot.get_rows_with_depth(1), function (header) {
+                        return {
+                            x: header.title || _t('Undefined'),
+                            y: self.pivot.get_values(header.id, colhdr.id)[0] || 0
+                        };
+                    });
+                    return {key: colhdr.title || _t('Undefined'), values: values};
+                });
+            // At least two row groupby
+            } else {
+                var keys = _.uniq(_.map(this.pivot.get_rows_with_depth(2), function (hdr) {
+                    return hdr.title || _t('Undefined');
+                }));
+                data = _.map(keys, function (key) {
+                    var values = _.map(self.pivot.get_rows_with_depth(1), function (hdr) {
+                        var subhdr = _.find(hdr.children, function (child) {
+                            return ((child.title === key) || ((child.title === undefined) && (key === _t('Undefined'))));
+                        });
+                        return {
+                            x: hdr.title || _t('Undefined'),
+                            y: (subhdr) ? self.pivot.get_total(subhdr)[0] : 0
+                        };
+                    });
+                    return {key:key, values: values};
+                });
+            }
+
+            nv.addGraph(function () {
+                var chart = nv.models.multiBarChart()
+                // .reduceXTicks(false)
+                    .stacked(self.bar_ui === 'stack')
+                    .showControls(show_controls);
+
+                // if (self.width / data[0].values.length < 80) {
+                //     chart.rotateLabels(-15);
+                //     chart.reduceXTicks(true);
+                //     chart.margin({bottom:40});
+                // }
+
+                d3.select(self.svg)
+                    .datum(data)
+                    .attr('width', self.width)
+                    .attr('height', self.height)
+                    .call(chart);
+
+                nv.utils.windowResize(chart.update);
+                return chart;
+            });
+
+        }
+    });
+}

web_graph_improved/view/graph_improved_view.xml

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+<?xml version="1.0" encoding="utf-8"?>
+
+<openerp>
+  <data>
+
+    <template id="assets_backend"
+              name="web_graph_improved assets"
+              inherit_id="web.assets_backend">
+      <xpath expr="." position="inside">
+        <script type="text/javascript"
+                src="/web_graph_improved/static/src/js/web_graph_improved.js">
+        </script>
+      </xpath>
+    </template>
+
+  </data>
+</openerp>