ChartDirector 6.0 (ColdFusion Edition)
Multi-Color Gantt Chart
Source Code Listing
<cfscript> // ChartDirector for ColdFusion API Access Point cd = CreateObject("java", "ChartDirector.CFChart"); // A utility to allow us to create arrays with data in one line of code function Array() { var result = ArrayNew(1); var i = 0; for (i = 1; i LTE ArrayLen(arguments); i = i + 1) result[i] = arguments[i]; return result; } // The tasks for the gantt chart labels = Array("Market Research", "Define Specifications", "Overall Archiecture", "Project Planning", "Detail Design", "Software Development", "Test Plan", "Testing and QA", "User Documentation"); // The task index, start date, end date and color for each bar taskNo = Array(0, 0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 8); startDate = Array(CreateDate(2004, 8, 16), CreateDate(2004, 10, 4), CreateDate(2004, 8, 30), CreateDate(2004, 9, 13), CreateDate(2004, 9, 20), CreateDate(2004, 9, 27), CreateDate(2004, 10, 4), CreateDate(2004, 10, 4), CreateDate(2004, 10, 25), CreateDate(2004, 11, 1), CreateDate(2004, 10, 18), CreateDate(2004, 11, 8)); endDate = Array(CreateDate(2004, 8, 30), CreateDate(2004, 10, 18), CreateDate(2004, 9, 13), CreateDate(2004, 9, 27), CreateDate(2004, 10, 4), CreateDate(2004, 10, 11), CreateDate(2004, 11, 8), CreateDate(2004, 10, 18), CreateDate(2004, 11, 8), CreateDate(2004, 11, 22), CreateDate( 2004, 11, 1), CreateDate(2004, 11, 22)); colors = Array("0x00cc00", "0x00cc00", "0x00cc00", "0x0000cc", "0x0000cc", "0xcc0000", "0xcc0000", "0x0000cc", "0xcc0000", "0xcc0000", "0x00cc00", "0xcc0000"); // Create a XYChart object of size 620 x 325 pixels. Set background color to light red (0xffcccc), // with 1 pixel 3D border effect. c = cd.XYChart(620, 325, "0xffcccc", "0x000000", 1); // Add a title to the chart using 15 points Times Bold Itatic font, with white (ffffff) text on a // dark red (800000) background c.addTitle("Mutli-Color Gantt Chart Demo", "Times New Roman Bold Italic", 15, "0xffffff" ).setBackground("0x800000"); // 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", cd.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(CreateDate(2004, 8, 16), CreateDate(2004, 11, 22), 86400 * 7); // 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(cd.StartOfMonthFilter(), "<*font=Arial Bold*>{value|mmm d}", cd.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); // Add some symbols to the chart to represent milestones. The symbols are added using scatter // layers. We need to specify the task index, date, name, symbol shape, size and color. c.addScatterLayer(Array(1), Array(CreateDate(2004, 9, 13)), "Milestone 1", cd.Cross2Shape(), 13, "0xffff00").setHTMLImageMap("{disable}"); c.addScatterLayer(Array(3), Array(CreateDate(2004, 10, 4)), "Milestone 2", cd.StarShape(5), 15, "0xff00ff").setHTMLImageMap("{disable}"); c.addScatterLayer(Array(5), Array(CreateDate(2004, 11, 8)), "Milestone 3", cd.TriangleSymbol, 13, "0xff9933").setHTMLImageMap("{disable}"); // Add a multi-color box-whisker layer to represent the gantt bars layer = c.addBoxWhiskerLayer2(startDate, endDate, ArrayNew(1), ArrayNew(1), ArrayNew(1), colors); layer.setXData(taskNo); layer.setBorderColor(cd.SameAsMainColor); // Divide the plot area height ( = 200 in this chart) by the number of tasks to get the height of // each slot. Use 80% of that as the bar height. layer.setDataWidth(Int(200 * 4 / 5 / ArrayLen(labels))); // Add a legend box at (140, 265) - bottom of the plot area. Use 8pt Arial Bold as the font with // auto-grid layout. Set the width to the same width as the plot area. Set the backgorund to grey // (dddddd). legendBox = c.addLegend2(140, 265, cd.AutoGrid, "Arial Bold", 8); legendBox.setWidth(461); legendBox.setBackground("0xdddddd"); // The keys for the scatter layers (milestone symbols) will automatically be added to the legend // box. We just need to add keys to show the meanings of the bar colors. legendBox.addKey("Market Team", "0x00cc00"); legendBox.addKey("Planning Team", "0x0000cc"); legendBox.addKey("Development Team", "0xcc0000"); // Output the chart chart1URL = c.makeSession(GetPageContext(), "chart1"); // Include tool tip for the chart imageMap1 = c.getHTMLImageMap("", "", "title='{xLabel}: {top|mmm dd, yyyy} to {bottom|mmm dd, yyyy}'"); </cfscript> <html> <body style="margin:5px 0px 0px 5px"> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> Multi-Color Gantt Chart </div> <hr style="border:solid 1px #000080" /> <cfoutput> <div style="font-size:9pt; font-family:verdana; margin-bottom:1.5em"> <a href='viewsource.cfm?file=#CGI.SCRIPT_NAME#'>View Source Code</a> </div> <img src="getchart.cfm?#chart1URL#" usemap="##map1" border="0" /> <map name="map1">#imageMap1#</map> </cfoutput> </body> </html> |