public void RemoveOffset()
{
ToDate = ToDate.AddMinutes(TimeOffset);
FromDate = FromDate.AddMinutes(TimeOffset);
}
public void GanttChart_MouseMove(object sender, MouseEventArgs e)
{
if (shownHeaderList == null)
{
return;
}
if (shownHeaderList.Count == 0)
{
return;
}
if (e.Button != System.Windows.Forms.MouseButtons.Left)
{
//mouseHoverPart = MouseOverPart.Empty;
// If bar has changed manually, but left mouse button is no longer pressed the BarChanged event will be raised
if (AllowManualEditBar == true)
{
if (barIsChanging >= 0)
{
if (AllowChange)
{
if (BarChanged != null)
{
BarChanged(bars[barIsChanging].Value, new EventArgs());
}
BarInformation barInfo = bars[barIsChanging].Value as BarInformation;
DateTime tempValue = _mouseOverColumnValue;
if (mouseHoverPart == MouseOverPart.BarLeftSide)
{
barInfo.FromTime = tempValue;
}
else if (mouseHoverPart == MouseOverPart.BarRightSide)
{
barInfo.ToTime = tempValue;
}
}
barIsChanging = -1;
}
}
mouseHoverPart = MouseOverPart.Empty;
}
mouseHoverBarIndex = -1;
Point LocalMousePosition = default(Point);
LocalMousePosition = PointToClient(Cursor.Position);
// Finds pixels per minute
TimeSpan timeBetween = shownHeaderList[1].Time - shownHeaderList[0].Time;
int minutesBetween = (timeBetween.Days * 1440) + (timeBetween.Hours * 60) + timeBetween.Minutes;
dynamic widthBetween = (shownHeaderList[1].StartLocation - shownHeaderList[0].StartLocation);
float perMinute = (float)widthBetween / (float)minutesBetween;
if (perMinute == 0)
{
perMinute = 1;
}
// Finds the time at mousepointer
int minutesAtCursor = 0;
if (LocalMousePosition.X > barStartLeft)
{
minutesAtCursor = (int)((LocalMousePosition.X - barStartLeft) / perMinute);
_mouseOverColumnValue = FromDate.AddMinutes(minutesAtCursor);
}
else
{
_mouseOverColumnValue = DateTime.MinValue;
}
// Finds the row at mousepointer
string rowText = "";
object rowValue = null;
// Tests to see if the mouse pointer is hovering above the scrollbar
bool scrollBarStatusChanged = false;
// Tests to see if the mouse is hovering over the scroll-area bottom-arrow
if (LocalMousePosition.X > BottomPart.Left & LocalMousePosition.Y < BottomPart.Right & LocalMousePosition.Y <BottomPart.Bottom& LocalMousePosition.Y> BottomPart.Top)
{
if (mouseOverBottomPart == false)
{
scrollBarStatusChanged = true;
}
mouseOverBottomPart = true;
}
else
{
if (mouseOverBottomPart == false)
{
scrollBarStatusChanged = true;
}
mouseOverBottomPart = false;
}
// Tests to see if the mouse is hovering over the scroll-area top-arrow
if (LocalMousePosition.X > topPart.Left & LocalMousePosition.Y < topPart.Right & LocalMousePosition.Y <topPart.Bottom& LocalMousePosition.Y> topPart.Top)
{
if (mouseOverTopPart == false)
{
scrollBarStatusChanged = true;
}
mouseOverTopPart = true;
}
else
{
if (mouseOverTopPart == false)
{
scrollBarStatusChanged = true;
}
mouseOverTopPart = false;
}
// Tests to see if the mouse is hovering over the scroll
if (LocalMousePosition.X > scroll.Left & LocalMousePosition.Y < scroll.Right & LocalMousePosition.Y <scroll.Bottom& LocalMousePosition.Y> scroll.Top)
{
if (mouseOverScrollBar == false)
{
scrollBarStatusChanged = true;
}
mouseOverScrollBar = true;
mouseOverScrollBarArea = true;
}
else
{
if (mouseOverScrollBar == false)
{
scrollBarStatusChanged = true;
}
mouseOverScrollBar = false;
mouseOverScrollBarArea = false;
}
// If the mouse is not above the scroll, test if it's over the scroll area (no need to test if it's not above the scroll)
if (mouseOverScrollBarArea == false)
{
if (LocalMousePosition.X > scrollBarArea.Left & LocalMousePosition.Y < scrollBarArea.Right & LocalMousePosition.Y <scrollBarArea.Bottom& LocalMousePosition.Y> scrollBarArea.Top)
{
mouseOverScrollBarArea = true;
}
}
// Tests to see if the mouse pointer is hovering above a bar
int index = 0;
foreach (ChartBarDate bar in bars)
{
// If the bar is set to be hidden from mouse move, the current bar will be ignored
if (bar.HideFromMouseMove == false)
{
if (bar.EndValue == null)
{
bar.EndValue = DateTime.Now;
}
// Mouse pointer needs to be inside the X and Y positions of the bar
if (LocalMousePosition.Y > bar.TopLocation.Left.Y & LocalMousePosition.Y < bar.BottomLocation.Left.Y)
{
if (LocalMousePosition.X > bar.TopLocation.Left.X & LocalMousePosition.X < bar.TopLocation.Right.X)
{
// If the current bar is the one where the mouse is above, the rowText and rowValue needs to be set correctly
rowText = bar.Text;
rowValue = bar.Value;
mouseHoverBarIndex = index;
if (mouseHoverPart != MouseOverPart.BarLeftSide & mouseHoverPart != MouseOverPart.BarRightSide)
{
mouseHoverPart = MouseOverPart.Bar;
}
}
// If mouse pointer is near the edges of the bar it will open up for editing the bar
if (AllowManualEditBar == true)
{
int areaSize = 5;
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
areaSize = 50;
}
if (LocalMousePosition.X > bar.TopLocation.Left.X - areaSize & LocalMousePosition.X < bar.TopLocation.Left.X + areaSize & mouseHoverPart != MouseOverPart.BarRightSide)
{
Cursor = Cursors.VSplit;
mouseHoverPart = MouseOverPart.BarLeftSide;
mouseHoverBarIndex = index;
}
else if (LocalMousePosition.X > bar.TopLocation.Right.X - areaSize & LocalMousePosition.X < bar.TopLocation.Right.X + areaSize & mouseHoverPart != MouseOverPart.BarLeftSide)
{
Cursor = Cursors.VSplit;
mouseHoverPart = MouseOverPart.BarRightSide;
mouseHoverBarIndex = index;
}
else
{
Cursor = Cursors.Default;
}
}
}
}
index += 1;
}
// Sets the mouseover row value and text
_mouseOverRowText = rowText;
_mouseOverRowValue = rowValue;
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
if (MouseDragged != null)
{
MouseDragged(sender, e);
}
}
else
{
// A simple test to see if the mousemovement has caused any changes to how it should be displayed
// It only redraws if mouse moves from a bar to blank area or from blank area to a bar
// This increases performance compared to having a redraw every time a mouse moves
if ((_mouseOverRowValue == null & (rowValue != null)) | ((_mouseOverRowValue != null) & rowValue == null) | scrollBarStatusChanged == true)
{
PaintChart();
}
}
}
public void SetOffset(int offset)
{
TimeOffset = offset;
ToDate = ToDate.AddMinutes(-1 * TimeOffset);
FromDate = FromDate.AddMinutes(-1 * TimeOffset);
}