internal ReportComponentCollection SortByTop()
{
ReportComponentCollection result = new ReportComponentCollection();
CopyTo(result);
result.InnerList.Sort(new TopComparer());
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="BandBase"/> class with default settings.
/// </summary>
public BandBase()
{
objects = new ReportComponentCollection(this);
guides = new FloatCollection();
beforeLayoutEvent = "";
afterLayoutEvent = "";
outlineExpression = "";
CanBreak = false;
ShiftMode = ShiftMode.Never;
if (BaseName.EndsWith("Band"))
{
BaseName = ClassName.Remove(ClassName.IndexOf("Band"));
}
SetFlags(Flags.CanMove | Flags.CanChangeOrder | Flags.CanChangeParent | Flags.CanCopy | Flags.CanGroup, false);
FlagUseStartNewPage = true;
FlagCheckFreeSpace = true;
}
/// <inheritdoc/>
public override void RestoreState()
{
OnAfterPrint(EventArgs.Empty);
base.RestoreState();
while (Objects.Count > savedOriginalObjectsCount)
{
Objects[Objects.Count - 1].Dispose();
}
SetRunning(false);
ReportComponentCollection collection_clone = new ReportComponentCollection();
Objects.CopyTo(collection_clone);
foreach (ReportComponentBase obj in collection_clone)
{
obj.OnAfterPrint(EventArgs.Empty);
obj.RestoreState();
obj.SetRunning(false);
}
}
/// <inheritdoc/>
public override float CalcHeight()
{
OnBeforeLayout(EventArgs.Empty);
// sort objects by Top
ReportComponentCollection sortedObjects = Objects.SortByTop();
// calc height of each object
float[] heights = new float[sortedObjects.Count];
for (int i = 0; i < sortedObjects.Count; i++)
{
ReportComponentBase obj = sortedObjects[i];
float height = obj.Height;
if (obj.Visible && (obj.CanGrow || obj.CanShrink))
{
float height1 = obj.CalcHeight();
if ((obj.CanGrow && height1 > height) || (obj.CanShrink && height1 < height))
{
height = height1;
}
}
heights[i] = height;
}
// calc shift amounts
float[] shifts = new float[sortedObjects.Count];
for (int i = 0; i < sortedObjects.Count; i++)
{
ReportComponentBase parent = sortedObjects[i];
float shift = heights[i] - parent.Height;
if (shift == 0)
{
continue;
}
for (int j = i + 1; j < sortedObjects.Count; j++)
{
ReportComponentBase child = sortedObjects[j];
if (child.ShiftMode == ShiftMode.Never)
{
continue;
}
if (child.Top >= parent.Bottom - 1e-4)
{
if (child.ShiftMode == ShiftMode.WhenOverlapped &&
(child.Left > parent.Right - 1e-4 || parent.Left > child.Right - 1e-4))
{
continue;
}
float parentShift = shifts[i];
float childShift = shifts[j];
if (shift > 0)
{
childShift = Math.Max(shift + parentShift, childShift);
}
else
{
childShift = Math.Min(shift + parentShift, childShift);
}
shifts[j] = childShift;
}
}
}
// update location and size of each component, calc max height
float maxHeight = 0;
for (int i = 0; i < sortedObjects.Count; i++)
{
ReportComponentBase obj = sortedObjects[i];
DockStyle saveDock = obj.Dock;
obj.Dock = DockStyle.None;
obj.Height = heights[i];
obj.Top += shifts[i];
if (obj.Visible && obj.Bottom > maxHeight)
{
maxHeight = obj.Bottom;
}
obj.Dock = saveDock;
}
if ((CanGrow && maxHeight > Height) || (CanShrink && maxHeight < Height))
{
Height = maxHeight;
}
// perform grow to bottom
foreach (ReportComponentBase obj in Objects)
{
if (obj.GrowToBottom)
{
obj.Height = Height - obj.Top;
}
}
OnAfterLayout(EventArgs.Empty);
return(Height);
}
/// <summary>
/// Initializes a new instance of the <b>ContainerObject</b> class with default settings.
/// </summary>
public ContainerObject()
{
objects = new ReportComponentCollection(this);
beforeLayoutEvent = "";
afterLayoutEvent = "";
}