private void updateVisibilityOfBoxes()
{
foreach (Control control in Controls)
{
if (control is DiscussionBox box)
{
box.Visible = DisplayFilter.DoesMatchFilter(box.Discussion);
}
}
}
private void updateVisibilityOfBoxes()
{
IEnumerable <DiscussionBox> boxes = Controls
.Cast <Control>()
.Where(x => x is DiscussionBox)
.Cast <DiscussionBox>();
foreach (DiscussionBox box in boxes)
{
box.Visible = DisplayFilter.DoesMatchFilter(box.Discussion);
}
}
private void repositionControls()
{
int groupBoxMarginLeft = 5;
int groupBoxMarginTop = 5;
// If Vertical Scroll is visible, its width is already excluded from ClientSize.Width
int vscrollDelta = VerticalScroll.Visible ? 0 : SystemInformation.VerticalScrollBarWidth;
// Temporary variables to avoid changing control Location more than once
Point filterPanelLocation = new Point(groupBoxMarginLeft, groupBoxMarginTop);
Point actionsPanelLocation = new Point(groupBoxMarginLeft, groupBoxMarginTop);
actionsPanelLocation.Offset(filterPanelLocation.X + FilterPanel.Size.Width, 0);
// Stack panels horizontally
FilterPanel.Location = filterPanelLocation + (Size)AutoScrollPosition;
ActionsPanel.Location = actionsPanelLocation + (Size)AutoScrollPosition;
// Prepare to stack boxes vertically
int topOffset = Math.Max(filterPanelLocation.Y + FilterPanel.Size.Height,
actionsPanelLocation.Y + ActionsPanel.Size.Height);
Size previousBoxSize = new Size();
Point previousBoxLocation = new Point();
previousBoxLocation.Offset(0, topOffset);
// Stack boxes vertically
foreach (Control control in Controls)
{
if (!(control is DiscussionBox box))
{
continue;
}
// Check if this box will be visible or not. The same condition as in updateVisibilityOfBoxes().
// Cannot check Visible property because it is not set so far, we're trying to avoid flickering.
if (!DisplayFilter.DoesMatchFilter(box.Discussion))
{
continue;
}
// Temporary variable to void changing box Location more than once
Point location = new Point(groupBoxMarginLeft, groupBoxMarginTop);
location.Offset(0, previousBoxLocation.Y + previousBoxSize.Height);
// Discussion box can take all the width except scroll bars and the left margin
box.AdjustToWidth(ClientSize.Width - vscrollDelta - groupBoxMarginLeft);
box.Location = location + (Size)AutoScrollPosition;
previousBoxLocation = location;
previousBoxSize = box.Size;
}
}
private bool isSearchableControl(Control control)
{
return(control.Parent is DiscussionBox box && DisplayFilter.DoesMatchFilter(box.Discussion));
}