From 82bc19088c3f40d99fd19ddc2058c737eaf0096a Mon Sep 17 00:00:00 2001
From: Diego Pino <dpino@igalia.com>
Date: Mon, 14 May 2012 20:18:33 +0200
Subject: [PATCH] Fix bug: Work around to make possible to set colors in a
 PieChart

FEA: ItEr76S15OrganizingPerProjectDashboard
---
 .../web/dashboard/DashboardController.java    | 29 +++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/dashboard/DashboardController.java b/libreplan-webapp/src/main/java/org/libreplan/web/dashboard/DashboardController.java
index f66c4abd6..582fe3f47 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/dashboard/DashboardController.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/dashboard/DashboardController.java
@@ -154,7 +154,29 @@ public class DashboardController extends GenericForwardComposer {
                 dashboardModel.getPercentageOfTasksWithViolatedDeadline());
         pieChart.addValue(_("No deadline"),
                 dashboardModel.getPercentageOfTasksWithNoDeadline());
-        renderChart(pieChart, divId);
+
+        // FIXME: Replace by more suitable colors
+        pieChart.addIntervalColors("red", "blue", "green");
+
+        renderPieChart(pieChart, divId);
+    }
+
+    /**
+     *
+     * Use this method to render a {@link PieChart}
+     *
+     * FIXME: jqplot4java doesn't include a method for changing the colors or a
+     * {@link PieChart}. The only way to do it is to add the colors to an
+     * Interval, generate the output Javascript code and replace the string
+     * 'intervalColors' by 'seriesColors'
+     *
+     * @param chart
+     * @param divId
+     */
+    private void renderPieChart(Chart<?> chart, String divId) {
+        String jsCode = JqPlotUtils.createJquery(chart, divId);
+        jsCode = jsCode.replace("intervalColors", "seriesColors");
+        Clients.evalJavaScript(jsCode);
     }
 
     private void renderChart(Chart<?> chart, String divId) {
@@ -236,7 +258,10 @@ public class DashboardController extends GenericForwardComposer {
                 statusLegend(TaskStatusEnum.BLOCKED, taskStatus),
                 dashboardModel.getPercentageOfBlockedTasks());
 
-        renderChart(taskStatusPieChart, divId);
+        // FIXME: Replace by more suitable colors
+        taskStatusPieChart.addIntervalColors("red", "blue", "green", "yellow");
+
+        renderPieChart(taskStatusPieChart, divId);
     }
 
     private void renderGlobalProgress() {