DrawAvailableRangeText
(
DrawingObjects oDrawingObjects,
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar,
ref Int32 iAvailableRangeTextLeft,
ref Int32 iAvailableRangeTextRight,
ref Int32 iTop
)
{
Debug.Assert(oDrawingObjects != null);
Debug.Assert(oDynamicFilterRangeTrackBar != null);
AssertValid();
DrawRangeText(oDrawingObjects,
oDynamicFilterRangeTrackBar.ValueToString(
oDynamicFilterRangeTrackBar.AvailableMinimum),
oDynamicFilterRangeTrackBar.ValueToString(
oDynamicFilterRangeTrackBar.AvailableMaximum),
SystemBrushes.GrayText, ref iAvailableRangeTextLeft,
ref iAvailableRangeTextRight, ref iTop
);
iTop += oDrawingObjects.GetFontHeightMultiple(0.4F);
}
DrawSelectedRangeLine
(
DrawingObjects oDrawingObjects,
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar,
Pen oSelectedRangeLinePen,
Int32 iAvailableRangeLineLeft,
Int32 iAvailableRangeLineRight,
out Int32 iSelectedRangeLineLeft,
out Int32 iSelectedRangeLineRight,
ref Int32 iTop
)
{
Debug.Assert(oDrawingObjects != null);
Debug.Assert(oDynamicFilterRangeTrackBar != null);
Debug.Assert(oSelectedRangeLinePen != null);
AssertValid();
iSelectedRangeLineLeft = GetXWithinAvailableLine(
oDynamicFilterRangeTrackBar.SelectedMinimum,
oDynamicFilterRangeTrackBar, iAvailableRangeLineLeft,
iAvailableRangeLineRight);
iSelectedRangeLineRight = GetXWithinAvailableLine(
oDynamicFilterRangeTrackBar.SelectedMaximum,
oDynamicFilterRangeTrackBar, iAvailableRangeLineLeft,
iAvailableRangeLineRight);
// Don't let the line have zero width.
if (iSelectedRangeLineRight == iSelectedRangeLineLeft)
{
if (iSelectedRangeLineLeft == iAvailableRangeLineLeft)
{
iSelectedRangeLineRight += MinimumSelectedLineWidth;
}
else if (iSelectedRangeLineRight == iAvailableRangeLineRight)
{
iSelectedRangeLineLeft -= MinimumSelectedLineWidth;
}
else
{
iSelectedRangeLineLeft -= (MinimumSelectedLineWidth / 2);
iSelectedRangeLineRight += (MinimumSelectedLineWidth / 2);
}
}
oDrawingObjects.Graphics.DrawLine(oSelectedRangeLinePen,
iSelectedRangeLineLeft, iTop, iSelectedRangeLineRight, iTop);
iTop += AvailableLineHeight;
}
GetXWithinAvailableLine
(
Decimal decValue,
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar,
Int32 iAvailableLineLeft,
Int32 iAvailableLineRight
)
{
Debug.Assert(oDynamicFilterRangeTrackBar != null);
Debug.Assert(iAvailableLineRight >= iAvailableLineLeft);
AssertValid();
Decimal decValueX = (Decimal)iAvailableLineLeft +
((Decimal)iAvailableLineRight - (Decimal)iAvailableLineLeft) *
(
(decValue - oDynamicFilterRangeTrackBar.AvailableMinimum) /
(oDynamicFilterRangeTrackBar.AvailableMaximum -
oDynamicFilterRangeTrackBar.AvailableMinimum)
);
return((Int32)decValueX);
}
GetXWithinAvailableLine
(
Decimal decValue,
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar,
Int32 iAvailableLineLeft,
Int32 iAvailableLineRight
)
{
Debug.Assert(oDynamicFilterRangeTrackBar != null);
Debug.Assert(iAvailableLineRight >= iAvailableLineLeft);
AssertValid();
Decimal decValueX = (Decimal)iAvailableLineLeft +
( (Decimal)iAvailableLineRight - (Decimal)iAvailableLineLeft ) *
(
(decValue - oDynamicFilterRangeTrackBar.AvailableMinimum) /
(oDynamicFilterRangeTrackBar.AvailableMaximum -
oDynamicFilterRangeTrackBar.AvailableMinimum)
);
return ( (Int32)decValueX );
}
DrawSelectedRangeText
(
DrawingObjects oDrawingObjects,
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar,
Int32 iAvailableRangeTextLeft,
Int32 iAvailableRangeTextRight,
Int32 iSelectedRangeLineLeft,
Int32 iSelectedRangeLineRight,
Int32 iTop
)
{
Debug.Assert(oDrawingObjects != null);
Debug.Assert(oDynamicFilterRangeTrackBar != null);
AssertValid();
// Measure the minimum and maximum selected values.
String sSelectedMinimumText =
oDynamicFilterRangeTrackBar.ValueToString(
oDynamicFilterRangeTrackBar.SelectedMinimum);
Int32 iSelectedMinimumTextWidth = MeasureTextWidth(oDrawingObjects,
sSelectedMinimumText);
String sSelectedMaximumText =
oDynamicFilterRangeTrackBar.ValueToString(
oDynamicFilterRangeTrackBar.SelectedMaximum);
Int32 iSelectedMaximumTextWidth = MeasureTextWidth(
oDrawingObjects, sSelectedMaximumText);
// If there is enough room, draw the selected minimum text with its
// right edge aligned with the left edge of the selected line, and the
// selected maximum text with its left edge aligned with the right edge
// of the selected line. Don't let any text exceed the bounds
// specified by iAvailableRangeTextLeft and iAvailableRangeTextRight,
// and don't let the text run into each other.
Int32 iSelectedMinimumTextRight = Math.Max(
iSelectedRangeLineLeft,
iAvailableRangeTextLeft + iSelectedMinimumTextWidth
);
iSelectedMinimumTextRight = Math.Min(
iSelectedMinimumTextRight,
iAvailableRangeTextRight - iSelectedMaximumTextWidth
);
Int32 iSelectedMaximumTextLeft = Math.Min(
iSelectedRangeLineRight,
iAvailableRangeTextRight - iSelectedMaximumTextWidth
);
iSelectedMaximumTextLeft = Math.Max(
iSelectedMaximumTextLeft,
iAvailableRangeTextLeft + iSelectedMinimumTextWidth
);
if (iSelectedMinimumTextRight - iSelectedMinimumTextWidth >=
iAvailableRangeTextLeft)
{
oDrawingObjects.Graphics.DrawString(sSelectedMinimumText,
oDrawingObjects.Font, SystemBrushes.Highlight,
iSelectedMinimumTextRight, iTop,
oDrawingObjects.RightAlignStringFormat);
}
if (iSelectedMaximumTextLeft + iSelectedMaximumTextWidth <=
iAvailableRangeTextRight)
{
oDrawingObjects.Graphics.DrawString(sSelectedMaximumText,
oDrawingObjects.Font, SystemBrushes.Highlight,
iSelectedMaximumTextLeft, iTop);
}
}
DrawSelectedRangeLine
(
DrawingObjects oDrawingObjects,
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar,
Pen oSelectedRangeLinePen,
Int32 iAvailableRangeLineLeft,
Int32 iAvailableRangeLineRight,
out Int32 iSelectedRangeLineLeft,
out Int32 iSelectedRangeLineRight,
ref Int32 iTop
)
{
Debug.Assert(oDrawingObjects != null);
Debug.Assert(oDynamicFilterRangeTrackBar != null);
Debug.Assert(oSelectedRangeLinePen != null);
AssertValid();
iSelectedRangeLineLeft = GetXWithinAvailableLine(
oDynamicFilterRangeTrackBar.SelectedMinimum,
oDynamicFilterRangeTrackBar, iAvailableRangeLineLeft,
iAvailableRangeLineRight);
iSelectedRangeLineRight = GetXWithinAvailableLine(
oDynamicFilterRangeTrackBar.SelectedMaximum,
oDynamicFilterRangeTrackBar, iAvailableRangeLineLeft,
iAvailableRangeLineRight);
// Don't let the line have zero width.
if (iSelectedRangeLineRight == iSelectedRangeLineLeft)
{
if (iSelectedRangeLineLeft == iAvailableRangeLineLeft)
{
iSelectedRangeLineRight += MinimumSelectedLineWidth;
}
else if (iSelectedRangeLineRight == iAvailableRangeLineRight)
{
iSelectedRangeLineLeft -= MinimumSelectedLineWidth;
}
else
{
iSelectedRangeLineLeft -= (MinimumSelectedLineWidth / 2);
iSelectedRangeLineRight += (MinimumSelectedLineWidth / 2);
}
}
oDrawingObjects.Graphics.DrawLine(oSelectedRangeLinePen,
iSelectedRangeLineLeft, iTop, iSelectedRangeLineRight, iTop);
iTop += AvailableLineHeight;
}
DrawAvailableRangeText
(
DrawingObjects oDrawingObjects,
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar,
ref Int32 iAvailableRangeTextLeft,
ref Int32 iAvailableRangeTextRight,
ref Int32 iTop
)
{
Debug.Assert(oDrawingObjects != null);
Debug.Assert(oDynamicFilterRangeTrackBar != null);
AssertValid();
DrawRangeText(oDrawingObjects,
oDynamicFilterRangeTrackBar.ValueToString(
oDynamicFilterRangeTrackBar.AvailableMinimum),
oDynamicFilterRangeTrackBar.ValueToString(
oDynamicFilterRangeTrackBar.AvailableMaximum),
SystemBrushes.GrayText, ref iAvailableRangeTextLeft,
ref iAvailableRangeTextRight, ref iTop
);
iTop += oDrawingObjects.GetFontHeightMultiple(0.4F);
}
DrawDynamicFilterRangeTrackBar
(
DrawingObjects oDrawingObjects,
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar,
Pen oAvailableRangeLinePen,
Pen oSelectedRangeLinePen,
Rectangle oColumnRectangle,
Int32 iTrackBarLeft,
Int32 iTrackBarRight,
ref Int32 iTop
)
{
Debug.Assert(oDrawingObjects != null);
Debug.Assert(oDynamicFilterRangeTrackBar != null);
Debug.Assert(oAvailableRangeLinePen != null);
Debug.Assert(oSelectedRangeLinePen != null);
iTop += oDrawingObjects.GetFontHeightMultiple(0.2F);
// Draw the text for the available range.
Int32 iAvailableRangeTextLeft = iTrackBarLeft;
Int32 iAvailableRangeTextRight = iTrackBarRight;
Int32 iAvailableRangeTextTop = iTop;
DrawAvailableRangeText(oDrawingObjects, oDynamicFilterRangeTrackBar,
ref iAvailableRangeTextLeft, ref iAvailableRangeTextRight,
ref iTop);
// Draw the line representing the available range.
Int32 iLineMargin = oDrawingObjects.GetFontHeightMultiple(0.1F);
Int32 iAvailableRangeLineLeft = iTrackBarLeft + iLineMargin;
Int32 iAvailableRangeLineRight = iTrackBarRight - iLineMargin;
oDrawingObjects.Graphics.DrawLine(oAvailableRangeLinePen,
iAvailableRangeLineLeft, iTop, iAvailableRangeLineRight, iTop);
// Draw the line representing the selected range.
Int32 iSelectedRangeLineLeft, iSelectedRangeLineRight;
DrawSelectedRangeLine(oDrawingObjects, oDynamicFilterRangeTrackBar,
oSelectedRangeLinePen, iAvailableRangeLineLeft,
iAvailableRangeLineRight, out iSelectedRangeLineLeft,
out iSelectedRangeLineRight, ref iTop);
// Draw the text for the selected range.
DrawSelectedRangeText(oDrawingObjects, oDynamicFilterRangeTrackBar,
iAvailableRangeTextLeft, iAvailableRangeTextRight,
iSelectedRangeLineLeft, iSelectedRangeLineRight,
iAvailableRangeTextTop);
DrawExcelColumnName(oDrawingObjects,
oDynamicFilterRangeTrackBar.ColumnName, iTrackBarLeft,
iTrackBarRight, ref iTop);
// Draw a line separating this track bar from the next.
DrawHorizontalSeparator(oDrawingObjects, oColumnRectangle, ref iTop);
}
DrawSelectedRangeText
(
DrawingObjects oDrawingObjects,
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar,
Int32 iAvailableRangeTextLeft,
Int32 iAvailableRangeTextRight,
Int32 iSelectedRangeLineLeft,
Int32 iSelectedRangeLineRight,
Int32 iTop
)
{
Debug.Assert(oDrawingObjects != null);
Debug.Assert(oDynamicFilterRangeTrackBar != null);
AssertValid();
// Measure the minimum and maximum selected values.
String sSelectedMinimumText =
oDynamicFilterRangeTrackBar.ValueToString(
oDynamicFilterRangeTrackBar.SelectedMinimum);
Int32 iSelectedMinimumTextWidth = MeasureTextWidth(oDrawingObjects,
sSelectedMinimumText);
String sSelectedMaximumText =
oDynamicFilterRangeTrackBar.ValueToString(
oDynamicFilterRangeTrackBar.SelectedMaximum);
Int32 iSelectedMaximumTextWidth = MeasureTextWidth(
oDrawingObjects, sSelectedMaximumText);
// If there is enough room, draw the selected minimum text with its
// right edge aligned with the left edge of the selected line, and the
// selected maximum text with its left edge aligned with the right edge
// of the selected line. Don't let any text exceed the bounds
// specified by iAvailableRangeTextLeft and iAvailableRangeTextRight,
// and don't let the text run into each other.
Int32 iSelectedMinimumTextRight = Math.Max(
iSelectedRangeLineLeft,
iAvailableRangeTextLeft + iSelectedMinimumTextWidth
);
iSelectedMinimumTextRight = Math.Min(
iSelectedMinimumTextRight,
iAvailableRangeTextRight - iSelectedMaximumTextWidth
);
Int32 iSelectedMaximumTextLeft = Math.Min(
iSelectedRangeLineRight,
iAvailableRangeTextRight - iSelectedMaximumTextWidth
);
iSelectedMaximumTextLeft = Math.Max(
iSelectedMaximumTextLeft,
iAvailableRangeTextLeft + iSelectedMinimumTextWidth
);
if (iSelectedMinimumTextRight - iSelectedMinimumTextWidth >=
iAvailableRangeTextLeft)
{
oDrawingObjects.Graphics.DrawString(sSelectedMinimumText,
oDrawingObjects.Font, SystemBrushes.Highlight,
iSelectedMinimumTextRight, iTop,
oDrawingObjects.RightAlignStringFormat);
}
if (iSelectedMaximumTextLeft + iSelectedMaximumTextWidth <=
iAvailableRangeTextRight)
{
oDrawingObjects.Graphics.DrawString(sSelectedMaximumText,
oDrawingObjects.Font, SystemBrushes.Highlight,
iSelectedMaximumTextLeft, iTop);
}
}
DrawDynamicFilterRangeTrackBar
(
DrawingObjects oDrawingObjects,
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar,
Pen oAvailableRangeLinePen,
Pen oSelectedRangeLinePen,
Rectangle oColumnRectangle,
Int32 iTrackBarLeft,
Int32 iTrackBarRight,
ref Int32 iTop
)
{
Debug.Assert(oDrawingObjects != null);
Debug.Assert(oDynamicFilterRangeTrackBar != null);
Debug.Assert(oAvailableRangeLinePen != null);
Debug.Assert(oSelectedRangeLinePen != null);
iTop += oDrawingObjects.GetFontHeightMultiple(0.2F);
// Draw the text for the available range.
Int32 iAvailableRangeTextLeft = iTrackBarLeft;
Int32 iAvailableRangeTextRight = iTrackBarRight;
Int32 iAvailableRangeTextTop = iTop;
DrawAvailableRangeText(oDrawingObjects, oDynamicFilterRangeTrackBar,
ref iAvailableRangeTextLeft, ref iAvailableRangeTextRight,
ref iTop);
// Draw the line representing the available range.
Int32 iLineMargin = oDrawingObjects.GetFontHeightMultiple(0.1F);
Int32 iAvailableRangeLineLeft = iTrackBarLeft + iLineMargin;
Int32 iAvailableRangeLineRight = iTrackBarRight - iLineMargin;
oDrawingObjects.Graphics.DrawLine(oAvailableRangeLinePen,
iAvailableRangeLineLeft, iTop, iAvailableRangeLineRight, iTop);
// Draw the line representing the selected range.
Int32 iSelectedRangeLineLeft, iSelectedRangeLineRight;
DrawSelectedRangeLine(oDrawingObjects, oDynamicFilterRangeTrackBar,
oSelectedRangeLinePen, iAvailableRangeLineLeft,
iAvailableRangeLineRight, out iSelectedRangeLineLeft,
out iSelectedRangeLineRight, ref iTop);
// Draw the text for the selected range.
DrawSelectedRangeText(oDrawingObjects, oDynamicFilterRangeTrackBar,
iAvailableRangeTextLeft, iAvailableRangeTextRight,
iSelectedRangeLineLeft, iSelectedRangeLineRight,
iAvailableRangeTextTop);
DrawExcelColumnName(oDrawingObjects,
oDynamicFilterRangeTrackBar.ColumnName, iTrackBarLeft,
iTrackBarRight, ref iTop);
// Draw a line separating this track bar from the next.
DrawHorizontalSeparator(oDrawingObjects, oColumnRectangle, ref iTop);
}
//*************************************************************************
// Method: OnSelectedRangeChanged()
//
/// <summary>
/// Handles the SelectedRangeChanged event on all the range track bars.
/// </summary>
///
/// <param name="oDynamicFilterRangeTrackBar">
/// Range track bar that fired the event.
/// </param>
//*************************************************************************
protected void OnSelectedRangeChanged(
IDynamicFilterRangeTrackBar oDynamicFilterRangeTrackBar
)
{
Debug.Assert(oDynamicFilterRangeTrackBar != null);
AssertValid();
// Turn off automatic recalculation. The dynamic filter column in the
// edge or vertex table needs to be recalculated as the RangeTrackBar
// is manipulated, but to minimize delays nothing else should be
// recalculated.
SetManualCalculation();
// Update the persisted settings for this RangeTrackBar. This updates
// two cells in the dynamic filter settings table.
String sSelectedMinimumAddress, sSelectedMaximumAddress;
m_oDynamicFilterSettings.SetSettings(
oDynamicFilterRangeTrackBar.TableName,
oDynamicFilterRangeTrackBar.ColumnName,
oDynamicFilterRangeTrackBar.SelectedMinimum,
oDynamicFilterRangeTrackBar.SelectedMaximum,
out sSelectedMinimumAddress, out sSelectedMaximumAddress);
// Now recalculate just the dynamic filter column.
DynamicFilterColumns eDynamicFilterColumns = DynamicFilterColumns.None;
if (oDynamicFilterRangeTrackBar.TableName == TableNames.Edges)
{
eDynamicFilterColumns = DynamicFilterColumns.EdgeTable;
}
else if (oDynamicFilterRangeTrackBar.TableName == TableNames.Vertices)
{
eDynamicFilterColumns = DynamicFilterColumns.VertexTable;
}
else
{
Debug.Assert(false);
}
RecalculateDynamicFilterColumns(eDynamicFilterColumns);
FireDynamicFilterColumnsChanged(eDynamicFilterColumns);
}
