ChartDirector 7.0 (Java Edition)
Multi-Layer Gantt Chart
Source Code Listing
<%@page import="ChartDirector.*, java.util.*" %>
<%
// the names of the tasks
String[] labels = {"Market Research", "Define Specifications", "Overall Archiecture",
"Project Planning", "Detail Design", "Software Development", "Test Plan", "Testing and QA",
"User Documentation"};
// the planned start dates and end dates for the tasks
Date[] startDate = {new GregorianCalendar(2004, 7, 16).getTime(), new GregorianCalendar(2004, 7, 30
).getTime(), new GregorianCalendar(2004, 8, 13).getTime(), new GregorianCalendar(2004, 8, 20
).getTime(), new GregorianCalendar(2004, 8, 27).getTime(), new GregorianCalendar(2004, 9, 4
).getTime(), new GregorianCalendar(2004, 9, 25).getTime(), new GregorianCalendar(2004, 10, 1
).getTime(), new GregorianCalendar(2004, 10, 8).getTime()};
Date[] endDate = {new GregorianCalendar(2004, 7, 30).getTime(), new GregorianCalendar(2004, 8, 13
).getTime(), new GregorianCalendar(2004, 8, 27).getTime(), new GregorianCalendar(2004, 9, 4
).getTime(), new GregorianCalendar(2004, 9, 11).getTime(), new GregorianCalendar(2004, 10, 8
).getTime(), new GregorianCalendar(2004, 10, 8).getTime(), new GregorianCalendar(2004, 10, 22
).getTime(), new GregorianCalendar(2004, 10, 22).getTime()};
// the actual start dates and end dates for the tasks up to now
Date[] actualStartDate = {new GregorianCalendar(2004, 7, 16).getTime(), new GregorianCalendar(2004,
7, 27).getTime(), new GregorianCalendar(2004, 8, 9).getTime(), new GregorianCalendar(2004, 8, 18
).getTime(), new GregorianCalendar(2004, 8, 22).getTime()};
Date[] actualEndDate = {new GregorianCalendar(2004, 7, 27).getTime(), new GregorianCalendar(2004, 8,
9).getTime(), new GregorianCalendar(2004, 8, 27).getTime(), new GregorianCalendar(2004, 9, 2
).getTime(), new GregorianCalendar(2004, 9, 8).getTime()};
// Create a XYChart object of size 620 x 280 pixels. Set background color to light green (ccffcc)
// with 1 pixel 3D border effect.
XYChart c = new XYChart(620, 280, 0xccffcc, 0x000000, 1);
// Add a title to the chart using 15 points Times Bold Itatic font, with white (ffffff) text on a
// dark green (0x6000) background
c.addTitle("Multi-Layer Gantt Chart Demo", "Times New Roman Bold Italic", 15, 0xffffff
).setBackground(0x006000);
// Set the plotarea at (140, 55) and of size 460 x 200 pixels. Use alternative white/grey
// background. Enable both horizontal and vertical grids by setting their colors to grey (c0c0c0).
// Set vertical major grid (represents month boundaries) 2 pixels in width
c.setPlotArea(140, 55, 460, 200, 0xffffff, 0xeeeeee, Chart.LineColor, 0xc0c0c0, 0xc0c0c0
).setGridWidth(2, 1, 1, 1);
// swap the x and y axes to create a horziontal box-whisker chart
c.swapXY();
// Set the y-axis scale to be date scale from Aug 16, 2004 to Nov 22, 2004, with ticks every 7 days
// (1 week)
c.yAxis().setDateScale(new GregorianCalendar(2004, 7, 16).getTime(), new GregorianCalendar(2004, 10,
22).getTime(), 86400 * 7);
// Add a red (ff0000) dash line to represent the current day
c.yAxis().addMark(Chart.CTime(new GregorianCalendar(2004, 9, 8).getTime()), c.dashLineColor(
0xff0000, Chart.DashLine));
// Set multi-style axis label formatting. Month labels are in Arial Bold font in "mmm d" format.
// Weekly labels just show the day of month and use minor tick (by using '-' as first character of
// format string).
c.yAxis().setMultiFormat(Chart.StartOfMonthFilter(), "<*font=Arial Bold*>{value|mmm d}",
Chart.StartOfDayFilter(), "-{value|d}");
// Set the y-axis to shown on the top (right + swapXY = top)
c.setYAxisOnRight();
// Set the labels on the x axis
c.xAxis().setLabels(labels);
// Reverse the x-axis scale so that it points downwards.
c.xAxis().setReverse();
// Set the horizontal ticks and grid lines to be between the bars
c.xAxis().setTickOffset(0.5);
// Use blue (0000aa) as the color for the planned schedule
int plannedColor = 0x0000aa;
// Use a red hash pattern as the color for the actual dates. The pattern is created as a 4 x 4
// bitmap defined in memory as an array of colors.
int[] hashPattern = {0xffffff, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff, 0xff0000, 0xffffff,
0xffffff, 0xff0000, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff, 0xffffff};
int actualColor = c.patternColor(hashPattern, 4);
// Add a box whisker layer to represent the actual dates. We add the actual dates layer first, so it
// will be the top layer.
BoxWhiskerLayer actualLayer = c.addBoxLayer(Chart.CTime(actualStartDate),
Chart.CTime(actualEndDate), actualColor, "Actual");
// Set the bar height to 8 pixels so they will not block the bottom bar
actualLayer.setDataWidth(8);
// Add a box-whisker layer to represent the planned schedule date
c.addBoxLayer(Chart.CTime(startDate), Chart.CTime(endDate), plannedColor, "Planned").setBorderColor(
Chart.SameAsMainColor);
// Add a legend box on the top right corner (595, 60) of the plot area with 8 pt Arial Bold font.
// Use a semi-transparent grey (80808080) background.
LegendBox b = c.addLegend(595, 60, false, "Arial Bold", 8);
b.setAlignment(Chart.TopRight);
b.setBackground(0x80808080, -1, 2);
// Output the chart
WebChartViewer viewer = new WebChartViewer(request, "chart1");
viewer.setChart(c, Chart.SVG);
// Include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("", "",
"title='{xLabel} ({dataSetName}): {top|mmm dd, yyyy} to {bottom|mmm dd, yyyy}'"));
%>
<!DOCTYPE html>
<html>
<head>
<title>Multi-Layer Gantt Chart</title>
<!-- Include ChartDirector Javascript Library to support chart interactions -->
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
<div style="font:bold 18pt verdana;">
Multi-Layer Gantt Chart
</div>
<hr style="border:solid 1px #000080; background:#000080" />
<div style="font:10pt verdana; margin-bottom:1.5em">
<a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a>
</div>
<!-- ****** Here is the chart image ****** -->
<%= viewer.renderHTML(response) %>
</body>
</html>