[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\zoomscrollpdf.aspx
(Click here on how to convert this code to code-behind style.)<%@ Page Language="C#" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<script runat="server">
//
// Create a random table for demo purpose.
//
private RanTable getRanTable()
{
RanTable r = new RanTable(127, 4, 1827);
r.setDateCol(0, new DateTime(2015, 1, 1), 86400);
r.setCol(1, 150, -10, 10);
r.setCol(2, 200, -10, 10);
r.setCol(3, 250, -8, 8);
return r;
}
//
// Initialize the WebChartViewer when the page is first loaded
//
private void initViewer(WebChartViewer viewer)
{
// The full x-axis range is from Jan 1, 2007 to Jan 1, 2012
DateTime startDate = new DateTime(2015, 1, 1);
DateTime endDate = new DateTime(2020, 1, 1);
viewer.setFullRange("x", startDate, endDate);
// Initialize the view port to show the last 366 days (out of 1827 days)
viewer.ViewPortWidth = 366.0 / 1827;
viewer.ViewPortLeft = 1 - viewer.ViewPortWidth;
// Set the maximum zoom to 10 days (out of 1827 days)
viewer.ZoomInWidthLimit = 10.0 / 1827;
}
//
// Draw an XYChart using data from startX to endX
//
private XYChart drawXYChart(DateTime startX, DateTime endX)
{
// Obtain the random data table
RanTable r = getRanTable();
// Select the data for the visible date range startDate to endDate. It is possible there is no
// data point at exactly startDate or endDate. In this case, we also need the data points that
// are just outside the visible date range to "overdraw" the line a little bit (the "overdrawn"
// part will be clipped to the plot area) In this demo, we do this by adding a one day margin to
// the date range when selecting the data.
r.selectDate(0, startX.AddDays(-1), endX.AddDays(1));
// The selected data from the random data table
DateTime[] timeStamps = Chart.NTime(r.getCol(0));
double[] dataSeriesA = r.getCol(1);
double[] dataSeriesB = r.getCol(2);
double[] dataSeriesC = r.getCol(3);
//
// At this stage, we have extracted the visible data. We can use those data to plot the chart.
//
//================================================================================
// Configure overall chart appearance.
//================================================================================
// Create an XYChart object of size 640 x 350 pixels
XYChart c = new XYChart(640, 350);
// Set the plotarea at (55, 50) with width 80 pixels less than chart width, and height 85 pixels
// less than chart height. Use a vertical gradient from light blue (f0f6ff) to sky blue (a0c0ff)
// as background. Set border to transparent and grid lines to white (ffffff).
c.setPlotArea(55, 50, c.getWidth() - 80, c.getHeight() - 85, c.linearGradientColor(0, 50, 0,
c.getHeight() - 35, 0xf0f6ff, 0xa0c0ff), -1, Chart.Transparent, 0xffffff, 0xffffff);
// As the data can lie outside the plotarea in a zoomed chart, we need enable clipping.
c.setClipping();
// Add a legend box at (55, 25) using horizontal layout. Use 8pts Arial Bold as font. Set the
// background and border color to Transparent and use line style legend key.
LegendBox b = c.addLegend(55, 25, false, "Arial Bold", 8);
b.setBackground(Chart.Transparent);
b.setLineStyleKey();
// Set the axis stem to transparent
c.xAxis().setColors(Chart.Transparent);
c.yAxis().setColors(Chart.Transparent);
// Add axis title using 10pts Arial Bold Italic font
c.yAxis().setTitle("Ionic Temperature (C)", "Arial Bold Italic", 10);
//================================================================================
// Add data to chart
//================================================================================
//
// In this example, we represent the data by lines. You may modify the code below to use other
// representations (areas, scatter plot, etc).
//
// Add a line layer for the lines, using a line width of 2 pixels
LineLayer layer = c.addLineLayer2();
layer.setLineWidth(2);
// In this demo, we do not have too many data points. In real code, the chart may contain a lot
// of data points when fully zoomed out - much more than the number of horizontal pixels in this
// plot area. So it is a good idea to use fast line mode.
layer.setFastLineMode();
// Now we add the 3 data series to a line layer, using the color red (ff33333), green (008800)
// and blue (3333cc)
layer.setXData(timeStamps);
layer.addDataSet(dataSeriesA, 0xff3333, "Alpha");
layer.addDataSet(dataSeriesB, 0x008800, "Beta");
layer.addDataSet(dataSeriesC, 0x3333cc, "Gamma");
//================================================================================
// Configure axis scale and labelling
//================================================================================
// Set the x-axis scale
c.xAxis().setDateScale(startX, endX);
//
// In this demo, the time range can be from a few years to a few days. We demonstrate how to set
// up different date/time format based on the time range.
//
// If all ticks are yearly aligned, then we use "yyyy" as the label format.
c.xAxis().setFormatCondition("align", 31104000);
c.xAxis().setLabelFormat("{value|yyyy}");
// If all ticks are monthly aligned, then we use "mmm yyyy" in bold font as the first label of a
// year, and "mmm" for other labels.
c.xAxis().setFormatCondition("align", 2592000);
c.xAxis().setMultiFormat(Chart.StartOfYearFilter(), "<*font=bold*>{value|mmm yyyy}",
Chart.AllPassFilter(), "{value|mmm}");
// If all ticks are daily algined, then we use "mmm dd<*br*>yyyy" in bold font as the first
// label of a year, and "mmm dd" in bold font as the first label of a month, and "dd" for other
// labels.
c.xAxis().setFormatCondition("align", 86400);
c.xAxis().setMultiFormat(Chart.StartOfYearFilter(),
"<*block,halign=left*><*font=bold*>{value|mmm dd<*br*>yyyy}", Chart.StartOfMonthFilter(),
"<*font=bold*>{value|mmm dd}");
c.xAxis().setMultiFormat2(Chart.AllPassFilter(), "{value|dd}");
// For all other cases (sub-daily ticks), use "hh:nn<*br*>mmm dd" for the first label of a day,
// and "hh:nn" for other labels.
c.xAxis().setFormatCondition("else");
c.xAxis().setMultiFormat(Chart.StartOfDayFilter(), "<*font=bold*>{value|hh:nn<*br*>mmm dd}",
Chart.AllPassFilter(), "{value|hh:nn}");
return c;
}
//
// Draw the chart
//
private void drawChart(WebChartViewer viewer)
{
// Determine the visible x-axis range
DateTime viewPortStartDate = Chart.NTime(viewer.getValueAtViewPort("x", viewer.ViewPortLeft));
DateTime viewPortEndDate = Chart.NTime(viewer.getValueAtViewPort("x", viewer.ViewPortRight));
// Draw the XYChart
XYChart c = drawXYChart(viewPortStartDate, viewPortEndDate);
// Add a title to the chart using 18 pts Times New Roman Bold Italic font
c.addTitle(" PDF Report Demonstration", "Times New Roman Bold Italic", 18);
if (viewer.IsAttachmentRequest()) {
// Output as PNG attachment
viewer.Image = c.makeWebImage(Chart.PNG);
} else {
// Output the chart
viewer.Image = c.makeWebImage(Chart.SVG);
// Output Javascript chart model to the browser to suppport tracking cursor
viewer.ChartModel = c.getJsChartModel();
}
}
//
// Create a multi-page PDF Report
//
private byte[] createPdfReport(WebChartViewer viewer)
{
// The MultiPagePDF object can create PDF from multiple pages, each with one chart object. Since
// a chart object can contain text (eg. using BaseChart.addText) and other charts (eg. using
// MultiChart), that means each page can contain text and multiple charts.
MultiPagePDF doc = new MultiPagePDF();
// Page configuration - A4 = 210 x 297mm. The PDF default is 96 dpi (dot per inch), so the A4
// size is equal to 794 x 1123 dots.
string pageConfig = "pagewidth = 794; pageHeight = 1123";
// In this example, we include a cover page with only text. This is by creating an empty pie
// chart with text only.
PieChart firstPage = new PieChart(720, 960);
firstPage.addText(360, 320,
"<*size=50*>ChartDirector<*br*><*size=30*>PDF Report Demonstration<*/*>", "Arial Bold", 30,
0x000000, Chart.Center);
firstPage.setOutputOptions(pageConfig);
doc.addPage(firstPage);
// We include 2 charts per page, with each chart showing one year of data. Each page will also
// have a header and page number
int startYear = Chart.NTime(viewer.getValueAtViewPort("x", 0)).Year;
int endYear = Chart.NTime(viewer.getValueAtViewPort("x", 1)).AddSeconds(-1).Year;
int pageNumber = 0;
for(int yyyy = startYear; yyyy <= endYear; yyyy += 2) {
// This chart is the page.
MultiChart m = new MultiChart(760, 920);
// Use addTitle to add a header
m.addTitle("ChartDirector PDF Report Demonstration", "Arial Bold", 20);
// Create the first chart
XYChart c = drawXYChart(new DateTime(yyyy, 1, 1), new DateTime(yyyy + 1, 1, 1));
m.addChart((m.getWidth() - c.getWidth()) / 2, 100, c);
c.addTitle("Year " + yyyy);
XYChart c2 = null;
if (yyyy < endYear) {
// Create the second chart
c2 = drawXYChart(new DateTime(yyyy + 1, 1, 1), new DateTime(yyyy + 2, 1, 1));
c2.addTitle("Year " + (yyyy + 1));
m.addChart((m.getWidth() - c2.getWidth()) / 2, 500, c2);
}
// Add the page number
pageNumber = pageNumber + 1;
m.addTitle(Chart.BottomCenter, (pageNumber).ToString(), "Arial Bold", 8);
m.setOutputOptions(pageConfig);
doc.addPage(m);
}
// Output the PDF report
return doc.outPDF2();
}
//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
//
// This script handles both the full page request, as well as the subsequent partial updates
// (AJAX chart updates). We need to determine the type of request first before we processing
// it.
//
if (WebChartViewer.IsPartialUpdateRequest(Page)) {
// Is a partial update request.
// The .NET platform will not restore the states of the controls before or during Page_Load,
// so we need to restore the state ourselves
WebChartViewer1.LoadViewerState();
if (WebChartViewer1.IsAttachmentRequest()) {
if (Request["download"] == "report") {
WebChartViewer1.StreamImage(createPdfReport(WebChartViewer1),
"chartdirector_report.pdf", true);
} else {
drawChart(WebChartViewer1);
WebChartViewer1.StreamChart("demo_chart.png", true);
}
} else {
// Draw the chart in partial update mode
drawChart(WebChartViewer1);
}
// Output the chart immediately and then terminate the page life cycle (PartialUpdateChart
// will cause Page_Load to terminate immediately without running the following code).
WebChartViewer1.PartialUpdateChart();
}
//
// If the code reaches here, it is a full page request.
//
// In this exapmle, we just need to initialize the WebChartViewer and draw the chart.
initViewer(WebChartViewer1);
drawChart(WebChartViewer1);
}
</script>
<!DOCTYPE html>
<html>
<head>
<title>PDF Report Demonstration</title>
<script type="text/javascript" src="cdjcv.js"></script>
<style type="text/css">
.chartButton { font:12px Verdana; border-bottom:#000000 1px solid; padding:5px; cursor:pointer;}
.chartButtonSpacer { font:12px Verdana; border-bottom:#000000 1px solid; padding:5px;}
.chartButton:hover { box-shadow:inset 0px 0px 0px 2px #444488; }
.chartButtonPressed { background-color: #CCFFCC; }
</style>
</head>
<body style="margin:0px;">
<script type="text/javascript">
//
// Execute the following initialization code after the web page is loaded
//
JsChartViewer.addEventListener(window, 'load', function() {
// Update the chart when the view port has changed (eg. when the user zooms in using the mouse)
var viewer = JsChartViewer.get('<%=WebChartViewer1.ClientID%>');
viewer.attachHandler("ViewPortChanged", viewer.partialUpdate);
// Draw track cursor when mouse is moving over plotarea. Hide it when mouse leaves plot area.
viewer.attachHandler(["MouseMovePlotArea", "TouchStartPlotArea", "TouchMovePlotArea", "PostUpdate",
"ChartMove"], function(e) {
this.preventDefault(e); // Prevent the browser from using touch events for other actions
trackLineLabel(viewer, viewer.getPlotAreaMouseX());
viewer.setAutoHide("all", ["MouseOutPlotArea", "TouchEndPlotArea"]);
});
});
//
// Draw track line with data labels
//
function trackLineLabel(viewer, mouseX)
{
// Remove all previously drawn tracking object
viewer.hideObj("all");
// The chart and its plot area
var c = viewer.getChart();
var plotArea = c.getPlotArea();
// Get the data x-value that is nearest to the mouse, and find its pixel coordinate.
var xValue = c.getNearestXValue(mouseX);
var xCoor = c.getXCoor(xValue);
// Draw a vertical track line at the x-position
viewer.drawVLine("trackLine", xCoor, plotArea.getTopY(), plotArea.getBottomY(), "black 1px dotted");
// Draw a label on the x-axis to show the track line position
viewer.showTextBox("xAxisLabel", xCoor, plotArea.getBottomY() + 4, JsChartViewer.Top,
c.xAxis().getFormattedLabel(xValue, "mmm dd, yyyy"),
"font:bold 11px Arial;color:#FFFFFF;background-color:#000000;padding:0px 3px");
// Iterate through all layers to draw the data labels
for (var i = 0; i < c.getLayerCount(); ++i)
{
var layer = c.getLayerByZ(i);
// The data array index of the x-value
var xIndex = layer.getXIndexOf(xValue);
// Iterate through all the data sets in the layer
for (var j = 0; j < layer.getDataSetCount(); ++j)
{
var dataSet = layer.getDataSetByZ(j);
// Get the color and position of the data label
var color = dataSet.getDataColor();
var yCoor = c.getYCoor(dataSet.getPosition(xIndex), dataSet.getUseYAxis());
// Draw a track dot with a label next to it for visible data points in the plot area
if ((yCoor != null) && (yCoor >= plotArea.getTopY()) && (yCoor <= plotArea.getBottomY()) &&
(color != null))
{
viewer.showTextBox("dataPoint" + i + "_" + j, xCoor, yCoor, JsChartViewer.Center,
viewer.htmlRect(7, 7, color));
viewer.showTextBox("dataLabel" + i + "_" + j, xCoor + 5, yCoor, JsChartViewer.Left,
dataSet.getValue(xIndex).toPrecision(4), "padding:0px 3px;font:bold 11px Arial;" +
"background-color:" + color + ";color:#FFFFFF;-webkit-text-size-adjust:100%;");
}
}
}
}
//
// This method is called when the user clicks on the Pointer, Zoom In or Zoom Out buttons
//
function setMouseMode(mode)
{
var viewer = JsChartViewer.get('<%=WebChartViewer1.ClientID%>');
if (mode == viewer.getMouseUsage())
mode = JsChartViewer.Default;
// Set the button color based on the selected mouse mode
document.getElementById("scrollButton").className = "chartButton" +
((mode == JsChartViewer.Scroll) ? " chartButtonPressed" : "");
document.getElementById("zoomInButton").className = "chartButton" +
((mode == JsChartViewer.ZoomIn) ? " chartButtonPressed" : "");
document.getElementById("zoomOutButton").className = "chartButton" +
((mode == JsChartViewer.ZoomOut) ? " chartButtonPressed" : "");
// Set the mouse mode
viewer.setMouseUsage(mode);
}
</script>
<form method="post" id="ZoomScrollPDF" runat="server">
<table cellspacing="0" cellpadding="0" style="border:black 1px solid;">
<tr>
<td align="right" colspan="2" style="background:#000088; color:#ffff00; padding:0px 4px 2px 0px;">
<a style="color:#FFFF00; font:italic bold 10pt Arial; text-decoration:none" href="http://www.advsofteng.com/">
Advanced Software Engineering
</a>
</td>
</tr>
<tr valign="top">
<td style="width:130px; background:#c0c0ff;">
<div style="width:130px">
<!-- The following table is to create 3 cells for 3 buttons to control the mouse usage mode. -->
<table style="width:100%; padding:0px; border:0px; border-spacing:0px;">
<tr>
<td class="chartButton" id="scrollButton" onclick="setMouseMode(JsChartViewer.Scroll)"
ontouchstart="this.onclick(event); event.preventDefault();">
<img src="scrollew.gif" style="vertical-align:middle" alt="Drag" /> Drag to Scroll
</td>
</tr>
<tr>
<td class="chartButton" id="zoomInButton" onclick="setMouseMode(JsChartViewer.ZoomIn)"
ontouchstart="this.onclick(event); event.preventDefault();">
<img src="zoomInIcon.gif" style="vertical-align:middle" alt="Zoom In" /> Zoom In
</td>
</tr>
<tr>
<td class="chartButton" id="zoomOutButton" onclick="setMouseMode(JsChartViewer.ZoomOut)"
ontouchstart="this.onclick(event); event.preventDefault();">
<img src="zoomOutIcon.gif" style="vertical-align:middle" alt="Zoom Out" /> Zoom Out
</td>
</tr>
</table>
<div style="margin-top:30px; text-align:center">
<input type="button" value="Download Chart" style="width:100%;height:2em"
onclick="JsChartViewer.get('<%=WebChartViewer1.ClientID%>').partialUpdateAsAttachment('download=chart');" />
<input type="button" value="PDF Report" style="margin-top:5px; width:100%;height:2em"
onclick="JsChartViewer.get('<%=WebChartViewer1.ClientID%>').partialUpdateAsAttachment('download=report');" />
</div>
</div>
</td>
<td style="border-left:black 1px solid; padding:10px 5px 0px 5px;">
<!-- ****** Here is the chart image ****** -->
<chart:WebChartViewer id="WebChartViewer1" runat="server" />
</td>
</tr>
</table>
</form>
</body>
</html>
[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\zoomscrollpdf.aspx
(Click here on how to convert this code to code-behind style.)<%@ Page Language="VB" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<script runat="server">
'
' Create a random table for demo purpose.
'
Private Function getRanTable() As RanTable
Dim r As RanTable = New RanTable(127, 4, 1827)
r.setDateCol(0, DateSerial(2015, 1, 1), 86400)
r.setCol(1, 150, -10, 10)
r.setCol(2, 200, -10, 10)
r.setCol(3, 250, -8, 8)
Return r
End Function
'
' Initialize the WebChartViewer when the page is first loaded
'
Private Sub initViewer(viewer As WebChartViewer)
' The full x-axis range is from Jan 1, 2007 to Jan 1, 2012
Dim startDate As Date = DateSerial(2015, 1, 1)
Dim endDate As Date = DateSerial(2020, 1, 1)
viewer.setFullRange("x", startDate, endDate)
' Initialize the view port to show the last 366 days (out of 1827 days)
viewer.ViewPortWidth = 366.0 / 1827
viewer.ViewPortLeft = 1 - viewer.ViewPortWidth
' Set the maximum zoom to 10 days (out of 1827 days)
viewer.ZoomInWidthLimit = 10.0 / 1827
End Sub
'
' Draw an XYChart using data from startX to endX
'
Private Function drawXYChart(startX As DateTime, endX As DateTime) As XYChart
' Obtain the random data table
Dim r As RanTable = getRanTable()
' Select the data for the visible date range startDate to endDate. It is possible there is no
' data point at exactly startDate or endDate. In this case, we also need the data points that
' are just outside the visible date range to "overdraw" the line a little bit (the "overdrawn"
' part will be clipped to the plot area) In this demo, we do this by adding a one day margin to
' the date range when selecting the data.
r.selectDate(0, startX.AddDays(-1), endX.AddDays(1))
' The selected data from the random data table
Dim timeStamps() As Date = Chart.NTime(r.getCol(0))
Dim dataSeriesA() As Double = r.getCol(1)
Dim dataSeriesB() As Double = r.getCol(2)
Dim dataSeriesC() As Double = r.getCol(3)
'
' At this stage, we have extracted the visible data. We can use those data to plot the chart.
'
'================================================================================
' Configure overall chart appearance.
'================================================================================
' Create an XYChart object of size 640 x 350 pixels
Dim c As XYChart = New XYChart(640, 350)
' Set the plotarea at (55, 50) with width 80 pixels less than chart width, and height 85 pixels
' less than chart height. Use a vertical gradient from light blue (f0f6ff) to sky blue (a0c0ff)
' as background. Set border to transparent and grid lines to white (ffffff).
c.setPlotArea(55, 50, c.getWidth() - 80, c.getHeight() - 85, c.linearGradientColor(0, 50, 0, _
c.getHeight() - 35, &Hf0f6ff, &Ha0c0ff), -1, Chart.Transparent, &Hffffff, &Hffffff)
' As the data can lie outside the plotarea in a zoomed chart, we need enable clipping.
c.setClipping()
' Add a legend box at (55, 25) using horizontal layout. Use 8pts Arial Bold as font. Set the
' background and border color to Transparent and use line style legend key.
Dim b As LegendBox = c.addLegend(55, 25, False, "Arial Bold", 8)
b.setBackground(Chart.Transparent)
b.setLineStyleKey()
' Set the axis stem to transparent
c.xAxis().setColors(Chart.Transparent)
c.yAxis().setColors(Chart.Transparent)
' Add axis title using 10pts Arial Bold Italic font
c.yAxis().setTitle("Ionic Temperature (C)", "Arial Bold Italic", 10)
'================================================================================
' Add data to chart
'================================================================================
'
' In this example, we represent the data by lines. You may modify the code below to use other
' representations (areas, scatter plot, etc).
'
' Add a line layer for the lines, using a line width of 2 pixels
Dim layer As LineLayer = c.addLineLayer2()
layer.setLineWidth(2)
' In this demo, we do not have too many data points. In real code, the chart may contain a lot
' of data points when fully zoomed out - much more than the number of horizontal pixels in this
' plot area. So it is a good idea to use fast line mode.
layer.setFastLineMode()
' Now we add the 3 data series to a line layer, using the color red (ff33333), green (008800)
' and blue (3333cc)
layer.setXData(timeStamps)
layer.addDataSet(dataSeriesA, &Hff3333, "Alpha")
layer.addDataSet(dataSeriesB, &H008800, "Beta")
layer.addDataSet(dataSeriesC, &H3333cc, "Gamma")
'================================================================================
' Configure axis scale and labelling
'================================================================================
' Set the x-axis scale
c.xAxis().setDateScale(startX, endX)
'
' In this demo, the time range can be from a few years to a few days. We demonstrate how to set
' up different date/time format based on the time range.
'
' If all ticks are yearly aligned, then we use "yyyy" as the label format.
c.xAxis().setFormatCondition("align", 31104000)
c.xAxis().setLabelFormat("{value|yyyy}")
' If all ticks are monthly aligned, then we use "mmm yyyy" in bold font as the first label of a
' year, and "mmm" for other labels.
c.xAxis().setFormatCondition("align", 2592000)
c.xAxis().setMultiFormat(Chart.StartOfYearFilter(), "<*font=bold*>{value|mmm yyyy}", _
Chart.AllPassFilter(), "{value|mmm}")
' If all ticks are daily algined, then we use "mmm dd<*br*>yyyy" in bold font as the first label
' of a year, and "mmm dd" in bold font as the first label of a month, and "dd" for other labels.
c.xAxis().setFormatCondition("align", 86400)
c.xAxis().setMultiFormat(Chart.StartOfYearFilter(), _
"<*block,halign=left*><*font=bold*>{value|mmm dd<*br*>yyyy}", Chart.StartOfMonthFilter(), _
"<*font=bold*>{value|mmm dd}")
c.xAxis().setMultiFormat2(Chart.AllPassFilter(), "{value|dd}")
' For all other cases (sub-daily ticks), use "hh:nn<*br*>mmm dd" for the first label of a day,
' and "hh:nn" for other labels.
c.xAxis().setFormatCondition("else")
c.xAxis().setMultiFormat(Chart.StartOfDayFilter(), "<*font=bold*>{value|hh:nn<*br*>mmm dd}", _
Chart.AllPassFilter(), "{value|hh:nn}")
Return c
End Function
'
' Draw the chart
'
Private Sub drawChart(viewer As WebChartViewer)
' Determine the visible x-axis range
Dim viewPortStartDate As Date = Chart.NTime(viewer.getValueAtViewPort("x", viewer.ViewPortLeft))
Dim viewPortEndDate As Date = Chart.NTime(viewer.getValueAtViewPort("x", viewer.ViewPortRight))
' Draw the XYChart
Dim c As XYChart = drawXYChart(viewPortStartDate, viewPortEndDate)
' Add a title to the chart using 18 pts Times New Roman Bold Italic font
c.addTitle(" PDF Report Demonstration", "Times New Roman Bold Italic", 18)
If viewer.IsAttachmentRequest() Then
' Output as PNG attachment
viewer.Image = c.makeWebImage(Chart.PNG)
Else
' Output the chart
viewer.Image = c.makeWebImage(Chart.SVG)
' Output Javascript chart model to the browser to suppport tracking cursor
WebChartViewer1.ChartModel = c.getJsChartModel()
End If
End Sub
'
' Create a multi-page PDF Report
'
Private Function createPdfReport(viewer As WebChartViewer) As byte()
' The MultiPagePDF object can create PDF from multiple pages, each with one chart object. Since
' a chart object can contain text (eg. using BaseChart.addText) and other charts (eg. using
' MultiChart), that means each page can contain text and multiple charts.
Dim doc As MultiPagePDF = New MultiPagePDF()
' Page configuration - A4 = 210 x 297mm. The PDF default is 96 dpi (dot per inch), so the A4
' size is equal to 794 x 1123 dots.
Dim pageConfig As String = "pagewidth = 794; pageHeight = 1123"
' In this example, we include a cover page with only text. This is by creating an empty pie
' chart with text only.
Dim firstPage As PieChart = New PieChart(720, 960)
firstPage.addText(360, 320, _
"<*size=50*>ChartDirector<*br*><*size=30*>PDF Report Demonstration<*/*>", "Arial Bold", _
30, &H000000, Chart.Center)
firstPage.setOutputOptions(pageConfig)
doc.addPage(firstPage)
' We include 2 charts per page, with each chart showing one year of data. Each page will also
' have a header and page number
Dim startYear As Integer = Chart.NTime(viewer.getValueAtViewPort("x", 0)).Year
Dim endYear As Integer = Chart.NTime(viewer.getValueAtViewPort("x", 1)).AddSeconds(-1).Year
Dim pageNumber As Integer = 0
For yyyy As Integer = startYear To endYear Step 2
' This chart is the page.
Dim m As MultiChart = New MultiChart(760, 920)
' Use addTitle to add a header
m.addTitle("ChartDirector PDF Report Demonstration", "Arial Bold", 20)
' Create the first chart
Dim c As XYChart = drawXYChart(DateSerial(yyyy, 1, 1), DateSerial(yyyy + 1, 1, 1))
m.addChart((m.getWidth() - c.getWidth()) \ 2, 100, c)
c.addTitle("Year " & yyyy)
Dim c2 As XYChart = Nothing
If yyyy < endYear Then
' Create the second chart
c2 = drawXYChart(DateSerial(yyyy + 1, 1, 1), DateSerial(yyyy + 2, 1, 1))
c2.addTitle("Year " & (yyyy + 1))
m.addChart((m.getWidth() - c2.getWidth()) \ 2, 500, c2)
End If
' Add the page number
pageNumber = pageNumber + 1
m.addTitle(Chart.BottomCenter, CStr(pageNumber), "Arial Bold", 8)
m.setOutputOptions(pageConfig)
doc.addPage(m)
Next
' Output the PDF report
Return doc.outPDF2()
End Function
'
' Page Load event handler
'
Private Sub Page_Load(sender As System.Object, e As System.EventArgs)
'
' This script handles both the full page request, as well as the subsequent partial updates
' (AJAX chart updates). We need to determine the type of request first before we processing it.
'
If WebChartViewer.IsPartialUpdateRequest(Page) Then
' Is a partial update request.
' The .NET platform will not restore the states of the controls before or during Page_Load,
' so we need to restore the state ourselves
WebChartViewer1.LoadViewerState()
If WebChartViewer1.IsAttachmentRequest() Then
If Request("download") = "report" Then
WebChartViewer1.StreamImage(createPdfReport(WebChartViewer1), _
"chartdirector_report.pdf", True)
Else
drawChart(WebChartViewer1)
WebChartViewer1.StreamChart("demo_chart.png", True)
End If
Else
' Draw the chart in partial update mode
drawChart(WebChartViewer1)
End If
' Output the chart immediately and then terminate the page life cycle (PartialUpdateChart
' will cause Page_Load to terminate immediately without running the following code).
WebChartViewer1.PartialUpdateChart()
End If
'
' If the code reaches here, it is a full page request.
'
' In this exapmle, we just need to initialize the WebChartViewer and draw the chart.
initViewer(WebChartViewer1)
drawChart(WebChartViewer1)
End Sub
</script>
<!DOCTYPE html>
<html>
<head>
<title>PDF Report Demonstration</title>
<script type="text/javascript" src="cdjcv.js"></script>
<style type="text/css">
.chartButton { font:12px Verdana; border-bottom:#000000 1px solid; padding:5px; cursor:pointer;}
.chartButtonSpacer { font:12px Verdana; border-bottom:#000000 1px solid; padding:5px;}
.chartButton:hover { box-shadow:inset 0px 0px 0px 2px #444488; }
.chartButtonPressed { background-color: #CCFFCC; }
</style>
</head>
<body style="margin:0px;">
<script type="text/javascript">
//
// Execute the following initialization code after the web page is loaded
//
JsChartViewer.addEventListener(window, 'load', function() {
// Update the chart when the view port has changed (eg. when the user zooms in using the mouse)
var viewer = JsChartViewer.get('<%=WebChartViewer1.ClientID%>');
viewer.attachHandler("ViewPortChanged", viewer.partialUpdate);
// Draw track cursor when mouse is moving over plotarea. Hide it when mouse leaves plot area.
viewer.attachHandler(["MouseMovePlotArea", "TouchStartPlotArea", "TouchMovePlotArea", "PostUpdate",
"ChartMove"], function(e) {
this.preventDefault(e); // Prevent the browser from using touch events for other actions
trackLineLabel(viewer, viewer.getPlotAreaMouseX());
viewer.setAutoHide("all", ["MouseOutPlotArea", "TouchEndPlotArea"]);
});
});
//
// Draw track line with data labels
//
function trackLineLabel(viewer, mouseX)
{
// Remove all previously drawn tracking object
viewer.hideObj("all");
// The chart and its plot area
var c = viewer.getChart();
var plotArea = c.getPlotArea();
// Get the data x-value that is nearest to the mouse, and find its pixel coordinate.
var xValue = c.getNearestXValue(mouseX);
var xCoor = c.getXCoor(xValue);
// Draw a vertical track line at the x-position
viewer.drawVLine("trackLine", xCoor, plotArea.getTopY(), plotArea.getBottomY(), "black 1px dotted");
// Draw a label on the x-axis to show the track line position
viewer.showTextBox("xAxisLabel", xCoor, plotArea.getBottomY() + 4, JsChartViewer.Top,
c.xAxis().getFormattedLabel(xValue, "mmm dd, yyyy"),
"font:bold 11px Arial;color:#FFFFFF;background-color:#000000;padding:0px 3px");
// Iterate through all layers to draw the data labels
for (var i = 0; i < c.getLayerCount(); ++i)
{
var layer = c.getLayerByZ(i);
// The data array index of the x-value
var xIndex = layer.getXIndexOf(xValue);
// Iterate through all the data sets in the layer
for (var j = 0; j < layer.getDataSetCount(); ++j)
{
var dataSet = layer.getDataSetByZ(j);
// Get the color and position of the data label
var color = dataSet.getDataColor();
var yCoor = c.getYCoor(dataSet.getPosition(xIndex), dataSet.getUseYAxis());
// Draw a track dot with a label next to it for visible data points in the plot area
if ((yCoor != null) && (yCoor >= plotArea.getTopY()) && (yCoor <= plotArea.getBottomY()) &&
(color != null))
{
viewer.showTextBox("dataPoint" + i + "_" + j, xCoor, yCoor, JsChartViewer.Center,
viewer.htmlRect(7, 7, color));
viewer.showTextBox("dataLabel" + i + "_" + j, xCoor + 5, yCoor, JsChartViewer.Left,
dataSet.getValue(xIndex).toPrecision(4), "padding:0px 3px;font:bold 11px Arial;" +
"background-color:" + color + ";color:#FFFFFF;-webkit-text-size-adjust:100%;");
}
}
}
}
//
// This method is called when the user clicks on the Pointer, Zoom In or Zoom Out buttons
//
function setMouseMode(mode)
{
var viewer = JsChartViewer.get('<%=WebChartViewer1.ClientID%>');
if (mode == viewer.getMouseUsage())
mode = JsChartViewer.Default;
// Set the button color based on the selected mouse mode
document.getElementById("scrollButton").className = "chartButton" +
((mode == JsChartViewer.Scroll) ? " chartButtonPressed" : "");
document.getElementById("zoomInButton").className = "chartButton" +
((mode == JsChartViewer.ZoomIn) ? " chartButtonPressed" : "");
document.getElementById("zoomOutButton").className = "chartButton" +
((mode == JsChartViewer.ZoomOut) ? " chartButtonPressed" : "");
// Set the mouse mode
viewer.setMouseUsage(mode);
}
</script>
<form method="post" id="ZoomScrollPDF" runat="server">
<table cellspacing="0" cellpadding="0" style="border:black 1px solid;">
<tr>
<td align="right" colspan="2" style="background:#000088; color:#ffff00; padding:0px 4px 2px 0px;">
<a style="color:#FFFF00; font:italic bold 10pt Arial; text-decoration:none" href="http://www.advsofteng.com/">
Advanced Software Engineering
</a>
</td>
</tr>
<tr valign="top">
<td style="width:130px; background:#c0c0ff;">
<div style="width:130px">
<!-- The following table is to create 3 cells for 3 buttons to control the mouse usage mode. -->
<table style="width:100%; padding:0px; border:0px; border-spacing:0px;">
<tr>
<td class="chartButton" id="scrollButton" onclick="setMouseMode(JsChartViewer.Scroll)"
ontouchstart="this.onclick(event); event.preventDefault();">
<img src="scrollew.gif" style="vertical-align:middle" alt="Drag" /> Drag to Scroll
</td>
</tr>
<tr>
<td class="chartButton" id="zoomInButton" onclick="setMouseMode(JsChartViewer.ZoomIn)"
ontouchstart="this.onclick(event); event.preventDefault();">
<img src="zoomInIcon.gif" style="vertical-align:middle" alt="Zoom In" /> Zoom In
</td>
</tr>
<tr>
<td class="chartButton" id="zoomOutButton" onclick="setMouseMode(JsChartViewer.ZoomOut)"
ontouchstart="this.onclick(event); event.preventDefault();">
<img src="zoomOutIcon.gif" style="vertical-align:middle" alt="Zoom Out" /> Zoom Out
</td>
</tr>
</table>
<div style="margin-top:30px; text-align:center">
<input type="button" value="Download Chart" style="width:100%;height:2em"
onclick="JsChartViewer.get('<%=WebChartViewer1.ClientID%>').partialUpdateAsAttachment('download=chart');" />
<input type="button" value="PDF Report" style="margin-top:5px; width:100%;height:2em"
onclick="JsChartViewer.get('<%=WebChartViewer1.ClientID%>').partialUpdateAsAttachment('download=report');" />
</div>
</div>
</td>
<td style="border-left:black 1px solid; padding:10px 5px 0px 5px;">
<!-- ****** Here is the chart image ****** -->
<chart:WebChartViewer id="WebChartViewer1" runat="server" />
</td>
</tr>
</table>
</form>
</body>
</html>
[ASP.NET MVC - Controller] NetMvcCharts\Controllers\ZoomscrollpdfController.cs
using System;
using System.Web.Mvc;
using ChartDirector;
namespace NetMvcCharts.Controllers
{
public class ZoomscrollpdfController : Controller
{
//
// Create a random table for demo purpose.
//
private RanTable getRanTable()
{
RanTable r = new RanTable(127, 4, 1827);
r.setDateCol(0, new DateTime(2015, 1, 1), 86400);
r.setCol(1, 150, -10, 10);
r.setCol(2, 200, -10, 10);
r.setCol(3, 250, -8, 8);
return r;
}
//
// Initialize the WebChartViewer when the page is first loaded
//
private void initViewer(RazorChartViewer viewer)
{
// The full x-axis range is from Jan 1, 2007 to Jan 1, 2012
DateTime startDate = new DateTime(2015, 1, 1);
DateTime endDate = new DateTime(2020, 1, 1);
viewer.setFullRange("x", startDate, endDate);
// Initialize the view port to show the last 366 days (out of 1827 days)
viewer.ViewPortWidth = 366.0 / 1827;
viewer.ViewPortLeft = 1 - viewer.ViewPortWidth;
// Set the maximum zoom to 10 days (out of 1827 days)
viewer.ZoomInWidthLimit = 10.0 / 1827;
}
//
// Draw an XYChart using data from startX to endX
//
private XYChart drawXYChart(DateTime startX, DateTime endX)
{
// Obtain the random data table
RanTable r = getRanTable();
// Select the data for the visible date range startDate to endDate. It is possible there is
// no data point at exactly startDate or endDate. In this case, we also need the data points
// that are just outside the visible date range to "overdraw" the line a little bit (the
// "overdrawn" part will be clipped to the plot area) In this demo, we do this by adding a
// one day margin to the date range when selecting the data.
r.selectDate(0, startX.AddDays(-1), endX.AddDays(1));
// The selected data from the random data table
DateTime[] timeStamps = Chart.NTime(r.getCol(0));
double[] dataSeriesA = r.getCol(1);
double[] dataSeriesB = r.getCol(2);
double[] dataSeriesC = r.getCol(3);
//
// At this stage, we have extracted the visible data. We can use those data to plot the
// chart.
//
//================================================================================
// Configure overall chart appearance.
//================================================================================
// Create an XYChart object of size 640 x 350 pixels
XYChart c = new XYChart(640, 350);
// Set the plotarea at (55, 50) with width 80 pixels less than chart width, and height 85
// pixels less than chart height. Use a vertical gradient from light blue (f0f6ff) to sky
// blue (a0c0ff) as background. Set border to transparent and grid lines to white (ffffff).
c.setPlotArea(55, 50, c.getWidth() - 80, c.getHeight() - 85, c.linearGradientColor(0, 50, 0,
c.getHeight() - 35, 0xf0f6ff, 0xa0c0ff), -1, Chart.Transparent, 0xffffff, 0xffffff);
// As the data can lie outside the plotarea in a zoomed chart, we need enable clipping.
c.setClipping();
// Add a legend box at (55, 25) using horizontal layout. Use 8pts Arial Bold as font. Set the
// background and border color to Transparent and use line style legend key.
LegendBox b = c.addLegend(55, 25, false, "Arial Bold", 8);
b.setBackground(Chart.Transparent);
b.setLineStyleKey();
// Set the axis stem to transparent
c.xAxis().setColors(Chart.Transparent);
c.yAxis().setColors(Chart.Transparent);
// Add axis title using 10pts Arial Bold Italic font
c.yAxis().setTitle("Ionic Temperature (C)", "Arial Bold Italic", 10);
//================================================================================
// Add data to chart
//================================================================================
//
// In this example, we represent the data by lines. You may modify the code below to use
// other representations (areas, scatter plot, etc).
//
// Add a line layer for the lines, using a line width of 2 pixels
LineLayer layer = c.addLineLayer2();
layer.setLineWidth(2);
// In this demo, we do not have too many data points. In real code, the chart may contain a
// lot of data points when fully zoomed out - much more than the number of horizontal pixels
// in this plot area. So it is a good idea to use fast line mode.
layer.setFastLineMode();
// Now we add the 3 data series to a line layer, using the color red (ff33333), green
// (008800) and blue (3333cc)
layer.setXData(timeStamps);
layer.addDataSet(dataSeriesA, 0xff3333, "Alpha");
layer.addDataSet(dataSeriesB, 0x008800, "Beta");
layer.addDataSet(dataSeriesC, 0x3333cc, "Gamma");
//================================================================================
// Configure axis scale and labelling
//================================================================================
// Set the x-axis scale
c.xAxis().setDateScale(startX, endX);
//
// In this demo, the time range can be from a few years to a few days. We demonstrate how to
// set up different date/time format based on the time range.
//
// If all ticks are yearly aligned, then we use "yyyy" as the label format.
c.xAxis().setFormatCondition("align", 31104000);
c.xAxis().setLabelFormat("{value|yyyy}");
// If all ticks are monthly aligned, then we use "mmm yyyy" in bold font as the first label
// of a year, and "mmm" for other labels.
c.xAxis().setFormatCondition("align", 2592000);
c.xAxis().setMultiFormat(Chart.StartOfYearFilter(), "<*font=bold*>{value|mmm yyyy}",
Chart.AllPassFilter(), "{value|mmm}");
// If all ticks are daily algined, then we use "mmm dd<*br*>yyyy" in bold font as the first
// label of a year, and "mmm dd" in bold font as the first label of a month, and "dd" for
// other labels.
c.xAxis().setFormatCondition("align", 86400);
c.xAxis().setMultiFormat(Chart.StartOfYearFilter(),
"<*block,halign=left*><*font=bold*>{value|mmm dd<*br*>yyyy}", Chart.StartOfMonthFilter(),
"<*font=bold*>{value|mmm dd}");
c.xAxis().setMultiFormat2(Chart.AllPassFilter(), "{value|dd}");
// For all other cases (sub-daily ticks), use "hh:nn<*br*>mmm dd" for the first label of a
// day, and "hh:nn" for other labels.
c.xAxis().setFormatCondition("else");
c.xAxis().setMultiFormat(Chart.StartOfDayFilter(), "<*font=bold*>{value|hh:nn<*br*>mmm dd}",
Chart.AllPassFilter(), "{value|hh:nn}");
return c;
}
//
// Draw the chart
//
private void drawChart(RazorChartViewer viewer)
{
// Determine the visible x-axis range
DateTime viewPortStartDate = Chart.NTime(viewer.getValueAtViewPort("x", viewer.ViewPortLeft))
;
DateTime viewPortEndDate = Chart.NTime(viewer.getValueAtViewPort("x", viewer.ViewPortRight));
// Draw the XYChart
XYChart c = drawXYChart(viewPortStartDate, viewPortEndDate);
// Add a title to the chart using 18 pts Times New Roman Bold Italic font
c.addTitle(" PDF Report Demonstration", "Times New Roman Bold Italic", 18);
if (viewer.IsAttachmentRequest()) {
// Output as PNG attachment
viewer.Image = c.makeWebImage(Chart.PNG);
} else {
// Output the chart
viewer.Image = c.makeWebImage(Chart.SVG);
// Output Javascript chart model to the browser to suppport tracking cursor
viewer.ChartModel = c.getJsChartModel();
}
}
//
// Create a multi-page PDF Report
//
private byte[] createPdfReport(RazorChartViewer viewer)
{
// The MultiPagePDF object can create PDF from multiple pages, each with one chart object.
// Since a chart object can contain text (eg. using BaseChart.addText) and other charts (eg.
// using MultiChart), that means each page can contain text and multiple charts.
MultiPagePDF doc = new MultiPagePDF();
// Page configuration - A4 = 210 x 297mm. The PDF default is 96 dpi (dot per inch), so the A4
// size is equal to 794 x 1123 dots.
string pageConfig = "pagewidth = 794; pageHeight = 1123";
// In this example, we include a cover page with only text. This is by creating an empty pie
// chart with text only.
PieChart firstPage = new PieChart(720, 960);
firstPage.addText(360, 320,
"<*size=50*>ChartDirector<*br*><*size=30*>PDF Report Demonstration<*/*>", "Arial Bold",
30, 0x000000, Chart.Center);
firstPage.setOutputOptions(pageConfig);
doc.addPage(firstPage);
// We include 2 charts per page, with each chart showing one year of data. Each page will
// also have a header and page number
int startYear = Chart.NTime(viewer.getValueAtViewPort("x", 0)).Year;
int endYear = Chart.NTime(viewer.getValueAtViewPort("x", 1)).AddSeconds(-1).Year;
int pageNumber = 0;
for(int yyyy = startYear; yyyy <= endYear; yyyy += 2) {
// This chart is the page.
MultiChart m = new MultiChart(760, 920);
// Use addTitle to add a header
m.addTitle("ChartDirector PDF Report Demonstration", "Arial Bold", 20);
// Create the first chart
XYChart c = drawXYChart(new DateTime(yyyy, 1, 1), new DateTime(yyyy + 1, 1, 1));
m.addChart((m.getWidth() - c.getWidth()) / 2, 100, c);
c.addTitle("Year " + yyyy);
XYChart c2 = null;
if (yyyy < endYear) {
// Create the second chart
c2 = drawXYChart(new DateTime(yyyy + 1, 1, 1), new DateTime(yyyy + 2, 1, 1));
c2.addTitle("Year " + (yyyy + 1));
m.addChart((m.getWidth() - c2.getWidth()) / 2, 500, c2);
}
// Add the page number
pageNumber = pageNumber + 1;
m.addTitle(Chart.BottomCenter, (pageNumber).ToString(), "Arial Bold", 8);
m.setOutputOptions(pageConfig);
doc.addPage(m);
}
// Output the PDF report
return doc.outPDF2();
}
public ActionResult Index()
{
RazorChartViewer viewer = ViewBag.Viewer = new RazorChartViewer(HttpContext, "chart1");
if (RazorChartViewer.IsPartialUpdateRequest(Request)) {
// Is a partial update request.
if (viewer.IsAttachmentRequest()) {
if (Request["download"] == "report") {
return File(createPdfReport(viewer), "application/pdf",
"chartdirector_report.pdf");
} else {
drawChart(viewer);
return File(viewer.StreamChart(), Response.ContentType, "demo_chart.png"
);
}
} else {
drawChart(viewer);
return Content(viewer.PartialUpdateChart());
}
}
//
// If the code reaches here, it is a full page request.
//
// In this exapmle, we just need to initialize the WebChartViewer and draw the chart.
initViewer(viewer);
drawChart(viewer);
return View();
}
}
}
[ASP.NET MVC - View] NetMvcCharts\Views\Zoomscrollpdf\Index.cshtml
@{ Layout = null; }
<!DOCTYPE html>
<html>
<head>
<title>PDF Report Demonstration</title>
@Scripts.Render("~/Scripts/cdjcv.js")
<style type="text/css">
.chartButton { font:12px Verdana; border-bottom:#000000 1px solid; padding:5px; cursor:pointer;}
.chartButtonSpacer { font:12px Verdana; border-bottom:#000000 1px solid; padding:5px;}
.chartButton:hover { box-shadow:inset 0px 0px 0px 2px #444488; }
.chartButtonPressed { background-color: #CCFFCC; }
</style>
</head>
<body style="margin:0px;">
<script type="text/javascript">
//
// Execute the following initialization code after the web page is loaded
//
JsChartViewer.addEventListener(window, 'load', function() {
// Update the chart when the view port has changed (eg. when the user zooms in using the mouse)
var viewer = JsChartViewer.get('@ViewBag.Viewer.ID');
viewer.attachHandler("ViewPortChanged", viewer.partialUpdate);
// Draw track cursor when mouse is moving over plotarea. Hide it when mouse leaves plot area.
viewer.attachHandler(["MouseMovePlotArea", "TouchStartPlotArea", "TouchMovePlotArea", "PostUpdate",
"ChartMove"], function(e) {
this.preventDefault(e); // Prevent the browser from using touch events for other actions
trackLineLabel(viewer, viewer.getPlotAreaMouseX());
viewer.setAutoHide("all", ["MouseOutPlotArea", "TouchEndPlotArea"]);
});
});
//
// Draw track line with data labels
//
function trackLineLabel(viewer, mouseX)
{
// Remove all previously drawn tracking object
viewer.hideObj("all");
// The chart and its plot area
var c = viewer.getChart();
var plotArea = c.getPlotArea();
// Get the data x-value that is nearest to the mouse, and find its pixel coordinate.
var xValue = c.getNearestXValue(mouseX);
var xCoor = c.getXCoor(xValue);
// Draw a vertical track line at the x-position
viewer.drawVLine("trackLine", xCoor, plotArea.getTopY(), plotArea.getBottomY(), "black 1px dotted");
// Draw a label on the x-axis to show the track line position
viewer.showTextBox("xAxisLabel", xCoor, plotArea.getBottomY() + 4, JsChartViewer.Top,
c.xAxis().getFormattedLabel(xValue, "mmm dd, yyyy"),
"font:bold 11px Arial;color:#FFFFFF;background-color:#000000;padding:0px 3px");
// Iterate through all layers to draw the data labels
for (var i = 0; i < c.getLayerCount(); ++i)
{
var layer = c.getLayerByZ(i);
// The data array index of the x-value
var xIndex = layer.getXIndexOf(xValue);
// Iterate through all the data sets in the layer
for (var j = 0; j < layer.getDataSetCount(); ++j)
{
var dataSet = layer.getDataSetByZ(j);
// Get the color and position of the data label
var color = dataSet.getDataColor();
var yCoor = c.getYCoor(dataSet.getPosition(xIndex), dataSet.getUseYAxis());
// Draw a track dot with a label next to it for visible data points in the plot area
if ((yCoor != null) && (yCoor >= plotArea.getTopY()) && (yCoor <= plotArea.getBottomY()) &&
(color != null))
{
viewer.showTextBox("dataPoint" + i + "_" + j, xCoor, yCoor, JsChartViewer.Center,
viewer.htmlRect(7, 7, color));
viewer.showTextBox("dataLabel" + i + "_" + j, xCoor + 5, yCoor, JsChartViewer.Left,
dataSet.getValue(xIndex).toPrecision(4), "padding:0px 3px;font:bold 11px Arial;" +
"background-color:" + color + ";color:#FFFFFF;-webkit-text-size-adjust:100%;");
}
}
}
}
//
// This method is called when the user clicks on the Pointer, Zoom In or Zoom Out buttons
//
function setMouseMode(mode)
{
var viewer = JsChartViewer.get('@ViewBag.Viewer.ID');
if (mode == viewer.getMouseUsage())
mode = JsChartViewer.Default;
// Set the button color based on the selected mouse mode
document.getElementById("scrollButton").className = "chartButton" +
((mode == JsChartViewer.Scroll) ? " chartButtonPressed" : "");
document.getElementById("zoomInButton").className = "chartButton" +
((mode == JsChartViewer.ZoomIn) ? " chartButtonPressed" : "");
document.getElementById("zoomOutButton").className = "chartButton" +
((mode == JsChartViewer.ZoomOut) ? " chartButtonPressed" : "");
// Set the mouse mode
viewer.setMouseUsage(mode);
}
</script>
<form method="post" id="ZoomScrollPDF">
<table cellspacing="0" cellpadding="0" style="border:black 1px solid;">
<tr>
<td align="right" colspan="2" style="background:#000088; color:#ffff00; padding:0px 4px 2px 0px;">
<a style="color:#FFFF00; font:italic bold 10pt Arial; text-decoration:none" href="http://www.advsofteng.com/">
Advanced Software Engineering
</a>
</td>
</tr>
<tr valign="top">
<td style="width:130px; background:#c0c0ff;">
<div style="width:130px">
<!-- The following table is to create 3 cells for 3 buttons to control the mouse usage mode. -->
<table style="width:100%; padding:0px; border:0px; border-spacing:0px;">
<tr>
<td class="chartButton" id="scrollButton" onclick="setMouseMode(JsChartViewer.Scroll)"
ontouchstart="this.onclick(event); event.preventDefault();">
<img src="@Url.Content("~/Content/scrollew.gif")" style="vertical-align:middle" alt="Drag" /> Drag to Scroll
</td>
</tr>
<tr>
<td class="chartButton" id="zoomInButton" onclick="setMouseMode(JsChartViewer.ZoomIn)"
ontouchstart="this.onclick(event); event.preventDefault();">
<img src="@Url.Content("~/Content/zoomInIcon.gif")" style="vertical-align:middle" alt="Zoom In" /> Zoom In
</td>
</tr>
<tr>
<td class="chartButton" id="zoomOutButton" onclick="setMouseMode(JsChartViewer.ZoomOut)"
ontouchstart="this.onclick(event); event.preventDefault();">
<img src="@Url.Content("~/Content/zoomOutIcon.gif")" style="vertical-align:middle" alt="Zoom Out" /> Zoom Out
</td>
</tr>
</table>
<div style="margin-top:30px; text-align:center">
<input type="button" value="Download Chart" style="width:100%;height:2em"
onclick="JsChartViewer.get('@ViewBag.Viewer.ID').partialUpdateAsAttachment('download=chart');" />
<input type="button" value="PDF Report" style="margin-top:5px; width:100%;height:2em"
onclick="JsChartViewer.get('@ViewBag.Viewer.ID').partialUpdateAsAttachment('download=report');" />
</div>
</div>
</td>
<td style="border-left:black 1px solid; padding:10px 5px 0px 5px;">
<!-- ****** Here is the chart image ****** -->
@Html.Raw(ViewBag.Viewer.RenderHTML())
</td>
</tr>
</table>
</form>
</body>
</html>
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