From 4b4a8f8b1bd03ceb4024834df81feb0019c47f50 Mon Sep 17 00:00:00 2001
From: Catouse <catouse@gmail.com>
Date: Mon, 11 May 2015 17:36:35 +0800
Subject: [PATCH]  * add jquery extension to create chart with data in table.

---
 module/common/view/chart.html.php | 58 +++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/module/common/view/chart.html.php b/module/common/view/chart.html.php
index 5ad88fc64a..4404298535 100644
--- a/module/common/view/chart.html.php
+++ b/module/common/view/chart.html.php
@@ -1,4 +1,8 @@
 <?php if($extView = $this->getExtViewFile(__FILE__)){include $extView; return helper::cd();}?>
+<style>
+.table-chart tr > td.chart-color {padding-left: 0!important; text-align: center; padding-right: 0!important; color: #f1f1f1}
+.chart-wrapper {padding: 10px; background-color: #f1f1f1; border: 1px solid #e5e5e5}
+</style>
 <!--[if lte IE 8]>
 <?php
 js::import($jsRoot . 'chartjs/excanvas.min.js');
@@ -10,3 +14,57 @@ if($config->debug)
     js::import($jsRoot . 'chartjs/chart.min.js');
 }
 ?>
+<script>
+(function()
+{
+    var colorIndex = 0;
+    function nextAccentColor(idx)
+    {
+        if(typeof idx === 'undefined') idx = colorIndex++;
+        return new $.zui.Color({h: idx * 67 % 360, s: 0.5, l: 0.55});
+    }
+
+    jQuery.fn.tableChart = function()
+    {
+        $(this).each(function()
+        {
+            var $table    = $(this);
+            var options   = $.extend({scaleShowLabels: true, scaleLabel: '<%=label%>: <%=value%>'}, $table.data());
+            var chartType = options.chart || 'pie';
+            var $canvas   = $(options.target);
+            if(!$canvas.length) return;
+            var chart = null;
+
+            if(chartType === 'pie')
+            {
+                var data = [];
+                var $rows = $table.find('tbody > tr').each(function(idx)
+                {
+                    var $row = $(this);
+                    var color = nextAccentColor().toCssStr();
+
+                    $row.attr('data-id', idx).find('.chart-color-dot').css('color', color);
+                    data.push({label: $row.find('.chart-label').text(), value: parseInt($row.find('.chart-value').text()), color: color, id: idx});
+                });
+
+                chart = $canvas.pieChart(data, options);
+                $canvas.on('mousemove', function(e)
+                {
+                    var activePoints = chart.getSegmentsAtEvent(e);
+                    $rows.removeClass('active');
+                    if(activePoints.length)
+                    {
+                        $rows.filter('[data-id="' + activePoints[0].id + '"]').addClass('active');
+                    }
+                });
+            }
+            if(chart !== null) $table.data('zui.chart', chart);
+        });
+    };
+
+    $(function()
+    {
+        $('.table-chart').tableChart();
+    });
+}());
+</script>