private void ToolStripComboBoxITEM_SelectedIndexChanged(object sender, EventArgs e)
{
// update with selected snapsots items'
SSCat = toolStripComboBoxCATEGORY.SelectedItem as SnapshotCategory;
var xaxis = SSCat != null ? SSCat.XAxis : null;
var yaxis = SSCat != null ? SSCat.YAxis : null;
if (SSCat != null)
{
SSCat.Selected = toolStripComboBoxITEM.SelectedItem as SnapshotItem;
}
SnapshotItem sItem = SSCat != null?SSCat.GetSelectedItem() : null;
if (sItem != null)
{
toolStripComboBoxX.ComboBox.DataSource = sItem.GetHeaderTitles();
toolStripComboBoxX.SelectedItem = xaxis;
toolStripComboBoxY.ComboBox.DataSource = sItem.GetHeaderTitles();
toolStripComboBoxY.SelectedItem = yaxis;
}
else
{
toolStripComboBoxX.ComboBox.DataSource = null;
toolStripComboBoxX.SelectedItem = null;
toolStripComboBoxY.ComboBox.DataSource = null;
toolStripComboBoxY.SelectedItem = null;
}
_getPlotData();
chartViewer1.Redraw();
}
private void _getPlotData()
{
SSCat = toolStripComboBoxCATEGORY.SelectedItem as SnapshotCategory;
if (SSCat != null)
{
SnapshotItem sItem = SSCat.GetSelectedItem();
xTitle = toolStripComboBoxX.SelectedItem as string;
yTitle = toolStripComboBoxY.SelectedItem as string;
dxList = sItem != null?sItem.GetDoubleArray(xTitle) : null;
dyList = sItem != null?sItem.GetDoubleArray(yTitle) : null;
SSCat.XAxis = xTitle;
SSCat.YAxis = yTitle;
double minX = double.MaxValue;
double maxX = double.MinValue;
double minY = double.MaxValue;
double maxY = double.MinValue;
if (dxList != null)
{
foreach (var v in dxList)
{
if (chkNum(v))
{
minX = Math.Min(minX, v); maxX = Math.Max(maxX, v);
}
}
}
if (dyList != null)
{
foreach (var v in dyList)
{
if (chkNum(v))
{
minY = Math.Min(minY, v); maxY = Math.Max(maxY, v);
}
}
}
if (minX == double.MaxValue)
{
minX = 0; maxX = 1;
}
if (minY == double.MaxValue)
{
minY = 0; maxY = 1;
}
if (minX == maxX)
{
minX -= 1; maxX += 1;
}
else
{
var d = (maxX - minX) / 10; minX -= d; maxX += d;
}
if (minY == maxY)
{
minY -= 1; maxY += 1;
}
{ var d = (maxY - minY) / 10; minY -= d; maxY += d; }
chartViewer1.XAuto = false;
chartViewer1.YAuto = false;
if (SSCat.XAxisAuto)
{
if (SSCat.XPolarity == Polarity.Normal)
{
chartViewer1.XLeft = minX;
chartViewer1.XRight = maxX;
}
else
{
chartViewer1.XLeft = maxX;
chartViewer1.XRight = minX;
}
}
else
{
if (SSCat.XPolarity == Polarity.Normal)
{
chartViewer1.XLeft = SSCat.XAxisMin;
chartViewer1.XRight = SSCat.XAxisMax;
}
else
{
chartViewer1.XLeft = SSCat.XAxisMax;
chartViewer1.XRight = SSCat.XAxisMin;
}
}
if (SSCat.YAxisAuto)
{
if (SSCat.YPolarity == Polarity.Normal)
{
chartViewer1.YTop = maxY;
chartViewer1.YBottom = minY;
}
else
{
chartViewer1.YTop = minY;
chartViewer1.YBottom = maxY;
}
}
else
{
if (SSCat.YPolarity == Polarity.Normal)
{
chartViewer1.YTop = SSCat.YAxisMax;
chartViewer1.YBottom = SSCat.YAxisMin;
}
else
{
chartViewer1.YTop = SSCat.YAxisMin;
chartViewer1.YBottom = SSCat.YAxisMax;
}
}
chartViewer1.XAxisTitle = xTitle;
chartViewer1.YAxisTitle = yTitle;
chartViewer1.Title = SSCat.Name + " : " + (sItem != null ? sItem.FormattedTime : "*");
chartViewer1.Title2 = yTitle + " vs " + xTitle;
SSCat.WriteSettings();
}
}