protected override void OnMouseUp(MouseEventArgs e)
{
if (mouseDownTab != null)
{
ActiveTab = mouseDownTab;
mouseDownTab.SideTabStatus = SideTabStatus.Normal;
mouseDownTab = null;
}
ExitRenameMode();
Refresh();
base.OnMouseUp(e);
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
int i = 0;
int lastUpperY = 0;
for (; i < sideTabs.Count; ++i)
{
SideTab tab = sideTabs[i];
int yPos = i * (Font.Height + 4 + 1);
tab.DrawTabHeader(g, Font, new Point(0, yPos), Width);
lastUpperY = yPos + Font.Height + 4;
if (tab == activeTab)
{
break;
}
}
int bottom = Height;
for (int j = sideTabs.Count - 1; j > i; --j)
{
SideTab tab = sideTabs[j];
int yPos = Height - (-j + sideTabs.Count) * (Font.Height + 4 + 1);
if (yPos < lastUpperY + (Font.Height + 4 + 1))
{
break;
}
bottom = yPos;
tab.DrawTabHeader(g, Font, new Point(0, yPos), Width);
}
if (activeTab != null)
{
bool b = scrollBar.Maximum > (bottom - lastUpperY) / 20 || scrollBar.Value != 0;
scrollBar.Visible = b;
activeTabMemberArea = new Rectangle(0, lastUpperY,
Width - (scrollBar.Visible ? (SystemInformation.VerticalScrollBarWidth) : 0) - 4, bottom - lastUpperY);
sideTabContent.Bounds = activeTabMemberArea;
scrollBar.Location = new Point(Width - SystemInformation.VerticalScrollBarWidth - 4,
lastUpperY);
scrollBar.Width = SystemInformation.VerticalScrollBarWidth;
scrollBar.Height = activeTabMemberArea.Height;
}
}
protected void ExitRenameMode()
{
if (renameTab != null)
{
renameTextBox.Visible = false;
renameTab = null;
doAddTab = false;
}
else if (renameTabItem != null)
{
renameTextBox.Visible = false;
renameTabItem = null;
}
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button == MouseButtons.Left)
{
mouseDownPosition = e.Location;
SideTab tab = GetTabAt(e.X, e.Y);
if (tab != null)
{
mouseDownTab = tab;
tab.SideTabStatus = SideTabStatus.Selected;
Refresh();
}
}
}
public void StartRenamingOf(SideTab tab)
{
int index = Tabs.IndexOf(tab);
renameTab = Tabs[index];
Point location = GetLocation(renameTab);
location.X += 3;
location.Y += 1;
renameTextBox.Location = location;
renameTextBox.Width = Width - 10;
renameTextBox.Height = Font.Height - 2;
renameTextBox.Text = renameTab.Name;
renameTextBox.Visible = true;
renameTextBox.Focus();
}
public Point GetLocation(SideTab whichTab)
{
int i = 0;
int lastUpperY = 0;
for (; i < sideTabs.Count; ++i)
{
SideTab tab = sideTabs[i];
int yPos = i * (Font.Height + 4 + 1);
if (tab == whichTab)
{
return(new Point(0, yPos));
}
lastUpperY = yPos + Font.Height + 4;
if (tab == activeTab)
{
break;
}
}
int bottom = Height;
for (int j = sideTabs.Count - 1; j > i; --j)
{
SideTab tab = sideTabs[j];
int yPos = Height - (-j + sideTabs.Count) * (Font.Height + 4 + 1);
if (yPos < lastUpperY + (Font.Height + 4 + 1))
{
break;
}
bottom = yPos;
if (tab == whichTab)
{
return(new Point(0, yPos));
}
}
return(new Point(-1, -1));
}
public int GetTabIndexAt(int x, int y)
{
int lastUpperY = 0;
int i = 0;
for (; i < sideTabs.Count; ++i)
{
SideTab tab = sideTabs[i];
int yPos = i * (Font.Height + 4 + 1);
lastUpperY = yPos + Font.Height + 4;
if (y >= yPos && y <= lastUpperY)
{
return(i);
}
if (tab == activeTab)
{
break;
}
}
for (int j = sideTabs.Count - 1; j > i; --j)
{
SideTab tab = sideTabs[j];
int yPos = Height - (-j + sideTabs.Count) * (Font.Height + 4 + 1);
if (yPos < lastUpperY + (Font.Height + 4 + 1))
{
break;
}
if (y >= yPos && y <= yPos + Font.Height + 4)
{
return(j);
}
}
return(-1);
}
public SideTabEventArgs(SideTab tab)
{
this.tab = tab;
}
protected override void OnDragOver(DragEventArgs e)
{
ExitRenameMode();
base.OnDragOver(e);
Point p = PointToClient(new Point(e.X, e.Y));
if (e.Data.GetDataPresent(typeof(SideTabItem)))
{
ClearDraggings(activeTab);
SideTab tab = GetTabAt(p.X, p.Y);
if (tab != null && tab != Tabs.DragOverTab)
{
if (tab.CanDragDrop)
{
Tabs.DragOverTab = tab;
}
else
{
Tabs.DragOverTab = null;
}
Refresh();
}
if (Tabs.DragOverTab != null && Tabs.DragOverTab.CanDragDrop)
{
e.Effect = GetDragDropEffect(e);
}
else
{
e.Effect = DragDropEffects.None;
}
}
else if (e.Data.GetDataPresent(typeof(string)))
{
SideTab oldTab = Tabs.DragOverTab;
if (activeTabMemberArea.Contains(p.X, p.Y))
{
Tabs.DragOverTab = activeTab;
}
else
{
Tabs.DragOverTab = GetTabAt(p.X, p.Y);
}
if (oldTab != Tabs.DragOverTab)
{
Refresh();
}
}
else if (e.Data.GetDataPresent(typeof(SideTab)))
{
int tabIndex = GetTabIndexAt(p.X, p.Y);
if (tabIndex != -1)
{
SideTab tab = Tabs.DragOverTab;
Tabs.Remove(tab);
Tabs.Insert(tabIndex, tab);
Refresh();
}
e.Effect = DragDropEffects.Move;
}
}
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
int index;
if (base.ProcessCmdKey(ref msg, keyData))
{
return(true);
}
bool isInRenameMode = renameTab != null || renameTabItem != null;
switch (keyData)
{
case Keys.Home:
if (activeTab.Items.Count > 0 && !isInRenameMode)
{
activeTab.ChoosedItem = activeTab.Items[0];
EnsureVisible(activeTab.ChoosedItem);
Refresh();
}
break;
case Keys.End:
if (activeTab.Items.Count > 0 && !isInRenameMode)
{
activeTab.ChoosedItem = activeTab.Items[activeTab.Items.Count - 1];
EnsureVisible(activeTab.ChoosedItem);
Refresh();
}
break;
case Keys.PageUp:
if (activeTab.Items.Count > 0 && !isInRenameMode)
{
index = Math.Max(0, activeTab.Items.IndexOf(activeTab.ChoosedItem) - scrollBar.LargeChange);
activeTab.ChoosedItem = activeTab.Items[index];
EnsureVisible(activeTab.ChoosedItem);
Refresh();
}
break;
case Keys.PageDown:
if (activeTab.Items.Count > 0 && !isInRenameMode)
{
index = Math.Min(activeTab.Items.Count - 1, activeTab.Items.IndexOf(activeTab.ChoosedItem) + scrollBar.LargeChange);
activeTab.ChoosedItem = activeTab.Items[index];
EnsureVisible(activeTab.ChoosedItem);
Refresh();
}
break;
case Keys.Down:
if (activeTab.Items.Count > 0 && !isInRenameMode)
{
if (activeTab.ChoosedItem != null)
{
activeTab.ChoosedItem = activeTab.Items[Math.Min(activeTab.Items.Count - 1, activeTab.Items.IndexOf(activeTab.ChoosedItem) + 1)];
}
else
{
activeTab.ChoosedItem = activeTab.Items[0];
}
activeTab.SelectedItem = null;
EnsureVisible(activeTab.ChoosedItem);
Refresh();
}
return(true);
case Keys.Up:
if (activeTab.Items.Count > 0 && !isInRenameMode)
{
if (activeTab.ChoosedItem != null)
{
activeTab.ChoosedItem = activeTab.Items[Math.Max(0, activeTab.Items.IndexOf(activeTab.ChoosedItem) - 1)];
}
else
{
activeTab.ChoosedItem = activeTab.Items[0];
}
activeTab.SelectedItem = null;
EnsureVisible(activeTab.ChoosedItem);
Refresh();
}
return(true);
case Keys.Control | Keys.Up:
ActiveTab = Tabs[Math.Max(0, Tabs.IndexOf(ActiveTab) - 1)];
Refresh();
return(true);
case Keys.Control | Keys.Down:
ActiveTab = Tabs[Math.Min(Tabs.Count - 1, Tabs.IndexOf(ActiveTab) + 1)];
Refresh();
return(true);
case Keys.Return:
if (renameTab != null)
{
renameTab.Name = renameTextBox.Text;
ExitRenameMode();
}
else if (renameTabItem != null)
{
renameTabItem.Name = renameTextBox.Text;
ExitRenameMode();
}
return(true);
case Keys.Escape:
if (renameTab != null)
{
if (doAddTab)
{
Tabs.RemoveAt(Tabs.Count - 1);
renameTab = null;
renameTextBox.Visible = false;
doAddTab = false;
Refresh();
}
else
{
ExitRenameMode();
}
}
else if (renameTabItem != null)
{
ExitRenameMode();
}
return(true);
}
return(false);
}