private void Vis(int parent, BaseUtils.IntRangeList irl)
{
for (int j = 0; j < Outlines.Count; j++) // go thru roll ups, looking for parent, and if off, mark areas as removed from vis
{
if (Outlines[j].parent == parent)
{
if (Outlines[j].r.expanded == false)
{
irl.Remove(Outlines[j].r.start, Outlines[j].r.end - KeepLastEntriesVisibleOnRollUp); // remove this range
}
Vis(j, irl); // any children..
}
}
}
private void Button_Click(object sender, EventArgs e)
{
ExtButtonDrawn but = sender as ExtButtonDrawn;
OutlineState rur = but.Tag as OutlineState;
if (Parent is ExtPanelDataGridViewScroll) // this implements an efficient visibility change system
{
rur.r.expanded = !rur.r.expanded;
if (rur.r.expanded == false) // off is easy - hide everything
{
(Parent as ExtPanelDataGridViewScroll).ChangeVisibility(rur.r.start, rur.r.end - KeepLastEntriesVisibleOnRollUp, rur.r.expanded);
}
else
{
BaseUtils.IntRangeList irl = new BaseUtils.IntRangeList();
irl.Add(rur.r.start, rur.r.end);
Vis(Outlines.IndexOf(rur), irl); // remove visibility of any children marked hidden
irl.Sort();
(Parent as ExtPanelDataGridViewScroll).ChangeVisibility(rur.r.start, rur.r.end, irl);
}
}
}
// on areas identify bits to be on. its sorted. startrow-endrow identify the whole range - areas outside onareas are off.
public void ChangeVisibility(int startrow, int endrow, BaseUtils.IntRangeList onareas)
{
if (dgv != null)
{
dgv.SuspendLayout();
dgv.RowStateChanged -= DGVRowStateChanged; // don't cause repeated call backs
int rowpos = startrow;
foreach (var r in onareas.Ranges)
{
while (rowpos < r.Start)
{
//System.Diagnostics.Debug.WriteLine("Row " + rowpos + " Off");
dgv.Rows[rowpos++].Visible = false; // set state
}
while (rowpos <= r.End)
{
//System.Diagnostics.Debug.WriteLine("Row " + rowpos + " On");
dgv.Rows[rowpos++].Visible = true; // set state
}
}
while (rowpos <= endrow)
{
//System.Diagnostics.Debug.WriteLine("Row " + rowpos + " On");
dgv.Rows[rowpos++].Visible = true; // set state
}
dgv.RowStateChanged += DGVRowStateChanged;
dgv.ResumeLayout();
UpdateScrollBar();
outlining?.UpdateOutlines();
}
}
public TestPanelScrollOutlining()
{
InitializeComponent();
theme = new ThemeStandard();
theme.LoadBaseThemes();
theme.SetThemeByName("Elite Verdana");
theme.WindowsFrame = true;
for (int i = 0; i < 100; i++)
{
DataGridViewRow row = dataGridView1.RowTemplate.Clone() as DataGridViewRow;
row.CreateCells(dataGridView1, i.ToString(), "2", "3");
dataGridView1.Rows.Add(row);
DataGridViewRow row2 = dataGridView1.RowTemplate.Clone() as DataGridViewRow;
row2.CreateCells(dataGridView1, "R2-" + i.ToString(), "2", "3");
dataGridView2.Rows.Add(row2);
}
Outlining1.ForeColor = Color.Black;
Outlining1.Add(5, 22);
Outlining1.Add(6, 8);
System.Diagnostics.Debug.Assert(Outlining1.Add(6, 8) == false); // should fail
Outlining1.Add(8, 12);
Outlining1.Add(13, 20);
Outlining1.Add(50, 70);
Outlining1.Add(40, 80);
BaseUtils.IntRangeList rl = new BaseUtils.IntRangeList();
rl.Add(10, 20);
rl.Add(40, 60);
rl.Dump();
rl.Add(20, 30);
rl.Add(50, 60); // no action, all inside 4-60
rl.Add(61, 70); // merge up
rl.Dump(); // 10-30, 40-70
rl.Add(35, 39);
rl.Dump(); // 10-30, 35-70
rl.Add(32, 33);
rl.Sort();
rl.Dump(); // 10-30, 32-33, 35-70
rl.Remove(0, 10);
rl.Dump(); // 11-30, 32-33, 35-70
rl.Remove(15, 20);
rl.Sort();
rl.Dump(); // 11-14, 21-30, 32-33, 35-70
rl.Remove(21, 30);
rl.Dump(); // 11-14, 32-33, 35-70
rl.Add(34, 34);
rl.Dump(); // 11-14, 32-70
rl.Remove(50, 60);
rl.Dump(); // 11-14, 32-49 61-70
rl.Remove(50, 60);
rl.Dump(); // 11-14, 32-49 61-70
rl.Remove(65, 75);
rl.Dump(); // 11-14, 32-49 61-64
rl.Remove(60, 62);
rl.Dump(); // 11-14, 32-49 63-64
rl.Remove(60, 63);
rl.Dump(); // 11-14, 32-49 64-64
rl.Remove(60, 64);
rl.Dump(); // 11-14, 32-49
rl.Remove(32, 64);
rl.Dump(); // 11-14
rl.Add(32, 49);
rl.Remove(30, 64);
rl.Dump(); // 11-14
rl.Add(32, 49);
rl.Add(100, 200);
rl.Remove(1, 300);
rl.Dump(); // nothing
rl.Add(32, 49);
rl.Add(100, 200);
rl.Remove(34, 300);
rl.Dump(); // 32-33
rl.Add(32, 49);
rl.Add(60, 70);
rl.Add(100, 200);
rl.Remove(34, 150);
rl.Dump(); // 32-33 151-200
rl.Remove(32, 200); // removes both start and end block, which are different
rl.Dump(); // 0
rl.Add(32, 33);
rl.Add(151, 200);
rl.Remove(31, 201); // 0 uses the tidy up routine at the end
rl.Add(32, 33);
rl.Add(151, 200);
rl.Add(31, 201); // subsume ranges..
rl.Dump(); // 31-201
}
