private void PaintChart(Graphics graphics)
{
if (BarList == null || BarList.Count == 0)
{
return;
}
var proc = new BarChartProcessor();
var headerList = proc.GetFullHeaderList(this.StartDate, this.EndDate, this.Width, this.TimeFont);
if (headerList.Count == 0 || this.DistinctItemCount == 0)
{
return;
}
var pixelsPerSecond = proc.GetPixelsPerSecond(headerList);
this.AvailableWidth = Width - ChartConstants.BarStartLeft - ChartConstants.BarStartRight;
if (this.DistinctItemCount * (ChartConstants.BarHeight + ChartConstants.BarSpace) > Height)
{
this.VScrollBar1.Visible = true;
this.VScrollBar1.Maximum = this.DistinctItemCount - 3;
}
graphics.Clear(BackColor);
DrawChartHeadersAndNet(graphics, headerList);
DrawBars(graphics, this.BarList, pixelsPerSecond);
}
public void ShowBarChart(DateTime chartStartDate, DateTime chartEndDate, List <ItemModel> items)
{
this.StartDate = chartStartDate;
this.EndDate = chartEndDate;
var proc = new BarChartProcessor();
this.BarList = proc.GetBarList(items);
this.DistinctItemCount = items.Select(i => i.ItemName).Distinct().Count();
this.Refresh();
}
private void ChartMouseClick(Object sender, MouseEventArgs e)
{
if (BarList == null || BarList.Count == 0)
{
return;
}
var localMousePosition = new Point(e.X, e.Y);
var proc = new BarChartProcessor();
this.BarList = proc.MouseClickHandler(this.BarList, localMousePosition);
}
private void ChartMouseMove(Object sender, MouseEventArgs e)
{
var localMousePosition = new Point(e.X, e.Y);
if (BarList == null || BarList.Count == 0)
{
return;
}
if (localMousePosition == this.OldMousePosition)
{
return;
}
var proc = new BarChartProcessor();
var mouseOverObject = false;
var tempText = new List <string>();
var tempTitle = "";
Parallel.ForEach(this.BarList, bar =>
{
if (proc.MouseInsideBar(localMousePosition, bar) && bar.Visible)
{
bar.IsMouseOver = true;
tempTitle = bar.Name;
tempText.Add("Event Start: " + bar.StartValue.ToUniversalTime());
tempText.Add("Event End: " + bar.EndValue.ToUniversalTime());
mouseOverObject = true;
}
else
{
bar.IsMouseOver = false;
}
});
this.ToolTipTextList = tempText;
this.ToolTipTextTitle = tempTitle;
this.ToolTip.SetToolTip(this, this.ToolTipTextList.Count > 0 ? this.ToolTipTextList.ToString() : "");
if (mouseOverObject)
{
this.Refresh();
}
this.OldMousePosition = localMousePosition;
}
private void DrawBars(Graphics graphics, IEnumerable <BarModel> barList, double pixelsPerSecond)
{
//list of machineNames to add to the left of each row
var rowTitleList = new List <string>();
var proc = new BarChartProcessor();
// Draws each bar
foreach (var bar in barList)
{
var numberOfBarsInControl = (Height - ChartConstants.BarStartTop) / (ChartConstants.BarHeight + ChartConstants.BarSpace);
if ((bar.RowIndex >= this.ScrollPosition &&
bar.RowIndex < numberOfBarsInControl + this.ScrollPosition))
{
var newBar = proc.GetBar(bar, this.StartDate, pixelsPerSecond, ScrollPosition, this.Width);
DrawBarAndRowText(newBar, rowTitleList, graphics);
}
else
{
bar.Visible = false;
}
}
}
