/// <summary>
/// Used to change the new tab page to a custom MaterialTabPage
/// </summary>
/// <param name="e"></param>
protected override void OnControlAdded(ControlEventArgs e)
{
base.OnControlAdded(e);
//A try event to detect if the tab page is a material tab page
try
{
//If failed to convert to a MaterialTabPage, this is a refrence of TabPage
MaterialTabPage tabPage = (MaterialTabPage)e.Control;
}
catch
{
//Initializing both TabPage and the new MaterialTabPage
TabPage tabPage = (TabPage)e.Control;
MaterialTabPage newTabPage = new MaterialTabPage();
//Setting custom vars to the NewTabPage
newTabPage.Text = tabPage.Text;
newTabPage.BackColor = tabPage.BackColor;
//Removing the old one and adding the new tab page
this.TabPages.Remove(tabPage);
this.TabPages.Add(newTabPage);
}
}
private void PaintTab(Rectangle TabRectangle, MaterialTabPage tabPage, Graphics g, Color BackColor, Color BorderColor, Color TopBorderColor, Status tabStatus)
{
int tabIndex = basedTabControl.TabPages.IndexOf(tabPage);
Color tabTextColor = Color.White;
//Draw background of the tab
g.FillRectangle(new SolidBrush(BackColor), TabRectangle);
//Draw borders of the tab
if ((tabIndex + 1) != basedTabControl.TabPages.Count)
{
ControlPaint.DrawBorder(g, TabRectangle, BackColor, 1, ButtonBorderStyle.Solid,
BackColor, 1, ButtonBorderStyle.Solid, BorderColor, 1, ButtonBorderStyle.Solid,
BackColor, 1, ButtonBorderStyle.Solid);
}
if (tabStatus == Status.Selected)
{
tabTextColor = Color.Black;
}
int drawIcon = 0;
if (tabPage.icon != null)
{
int iconSize = 22; drawIcon = 22;
Point IconLocation = new Point(TabRectangle.X + 4, TabRectangle.Y + 5);
Rectangle iconRectangle = new Rectangle(IconLocation, new Size(iconSize, iconSize));
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.DrawImage(tabPage.icon, iconRectangle);
g.InterpolationMode = InterpolationMode.Default;
}
string tabText = tabPage.Text;
int maxChars = _maxChars;
if (_limitStringLength)
{
if (_showCloseButt == true)
{
maxChars = _maxCharswithClose;
}
if (tabText.Length > maxChars)
{
tabText = tabText.Substring(0, Math.Min(tabText.Length, maxChars)) + "...";
}
}
//Draws the text of the tab
StringFormat sf = new StringFormat(); sf.Alignment = StringAlignment.Near; sf.LineAlignment = StringAlignment.Center;
Rectangle tabTextRect = new Rectangle(TabRectangle.X + 6 + drawIcon, TabRectangle.Y, TabRectangle.Width - 6, TabRectangle.Height);
g.DrawString(tabText, new Font("Segoe UI", 11), new SolidBrush(tabTextColor), tabTextRect, sf);
}
protected override object CreateInstance(Type itemType)
{
MaterialTabPage tabPage = (MaterialTabPage)itemType.Assembly.CreateInstance(itemType.FullName);
IDesignerHost host = (IDesignerHost)this.GetService(typeof(IDesignerHost));
host.Container.Add(tabPage);
//this.Context.Container.Add(tabPage);
tabPage.Text = tabPage.Name;
return(tabPage);
}
private void PaintTab(Rectangle TabRectangle, Graphics g)
{
Status tabStatus = Status.Default;
MaterialTabPage tabPage = GetTabByPoint(TabRectangle);
if (basedTabControl.SelectedTab == tabPage)
{
tabStatus = Status.Selected;
}
else if (TabRectangle.Contains(this.PointToClient(MousePosition)))
{
tabStatus = Status.MouseOver;
}
Color tabColor = Color.Red;
Color p_TopBarColor = Color.Red;
Color fontColor = Color.Red;
if (tabStatus == Status.Default)
{
PaintTab(TabRectangle, tabPage, g, tabBackColor, tabBorderColor, topBorderColor, tabStatus);
tabColor = tabBackColor; p_TopBarColor = topBorderColor; fontColor = Color.White;
}
else if (tabStatus == Status.MouseOver)
{
PaintTab(TabRectangle, tabPage, g, h_tabBackColor, h_tabBorderColor, h_topBorderColor, tabStatus);
tabColor = h_tabBackColor; p_TopBarColor = h_topBorderColor; fontColor = Color.White;
}
else if (tabStatus == Status.Selected)
{
PaintTab(TabRectangle, tabPage, g, s_tabBackColor, s_TabBorderColor, s_topBorderColor, tabStatus);
tabColor = s_tabBackColor; p_TopBarColor = s_topBorderColor; fontColor = Color.Black;
}
if (_showCloseButt)
{
int intY = TabRectangle.Height; Rectangle buttonRectangle = new Rectangle(new Point(TabRectangle.X + TabRectangle.Width - intY - 1, 3), new Size(intY, intY - 3));
if (buttonRectangle.Contains(this.PointToClient(MousePosition)))
{
DrawTabCloseButton(g, buttonRectangle, Color.FromArgb(255, 90, 90), Color.FromArgb(0, 0, 0));
}
else
{
DrawTabCloseButton(g, buttonRectangle, tabColor, fontColor);
}
}
Rectangle drawRect = new Rectangle(new Point(TabRectangle.X, TabRectangle.Y), new Size(TabRectangle.Width, 3));
DrawTopBar(g, drawRect, p_TopBarColor);
}
private MaterialTabPage GetTabByPoint(Rectangle rect)
{
MaterialTabPage returnTab = null;
for (int i = 0; i < tabRectangles.Count; i++)
{
if (tabRectangles[i].Contains(rect))
{
returnTab = (MaterialTabPage)basedTabControl.TabPages[i];
}
}
return(returnTab);
}
private MaterialTabPage GetTabByPoint(Point point)
{
MaterialTabPage returnTabPage = null;
foreach (Rectangle rect in tabRectangles)
{
if (rect.Contains(this.PointToClient(point)))
{
returnTabPage = (MaterialTabPage)basedTabControl.TabPages[tabRectangles.IndexOf(rect)];
}
}
return(returnTabPage);
}
private MaterialTabPage GetTabByPoint(Point pt, bool isDragnDrop)
{
MaterialTabPage tp = null; Point pt1 = this.PointToClient(pt);
tabRectangles = GetTabRectangles();
for (int i = 0; i < this.basedTabControl.TabPages.Count; i++)
{
if (tabRectangles[i].Contains(pt1))
{
tp = (MaterialTabPage)this.basedTabControl.TabPages[i];
break;
}
}
return(tp);
}
protected override void OnMouseDown(MouseEventArgs e)
{
MaterialTabPage tp = GetTabByPoint(MousePosition);
if (tp != null)
{
this.tabRectangles = this.GetTabRectangles();
int tabIndex = this.basedTabControl.TabPages.IndexOf(tp); Rectangle TabRectangle = this.tabRectangles[tabIndex];
int intY = TabRectangle.Height; Rectangle closeButtonRect = new Rectangle(new Point(TabRectangle.X + TabRectangle.Width - intY - 1, 3), new Size(intY, intY - 3));
this.basedTabControl.SelectedTab = tp;
if (!closeButtonRect.Contains(this.PointToClient(MousePosition)))
{
this.DoDragDrop(tp, DragDropEffects.All);
}
}
base.OnMouseDown(e);
}
/// <summary>
/// Occures when there is a Drag'n'Drop event over the control
/// </summary>
protected override void OnDragOver(DragEventArgs drgevent)
{
//Triggers base event
base.OnDragOver(drgevent);
//Get position of the Drag'n'Drop
Point pt = new Point(drgevent.X, drgevent.Y);
//Get the hover tab from TabPoint
MaterialTabPage hoverTab = GetTabByPoint(pt, true);
//Checks if the hover tab is is null
if (hoverTab != null)
{
preDraggedTab = hoverTab;
//Set drag events
drgevent.Effect = DragDropEffects.Move;
var dragTab = drgevent.Data.GetData(typeof(MaterialTabPage));
//Setting index for Item Drag and Drop Location
int item_drag_index = FindIndex((MaterialTabPage)dragTab);
int drop_Location_Index = FindIndex(hoverTab);
//Setting the PreDraggedTab
preDraggedTab = (MaterialTabPage)dragTab;
//Making sure the index is not equal to the origional index
if (item_drag_index != drop_Location_Index)
{
//Initializing the Array
ArrayList pages = new ArrayList();
//For each tab page
for (int i = 0; i < this.basedTabControl.TabPages.Count; i++)
{
if (i != item_drag_index)
{
pages.Add(this.basedTabControl.TabPages[i]);
}
}
//Insert page into the Drop iNDEX
pages.Insert(drop_Location_Index, (MaterialTabPage)dragTab);
//Clearing TabPages from the tab control
this.basedTabControl.TabPages.Clear();
//Adding tab pages to the BasedTabControl
this.basedTabControl.TabPages.AddRange((MaterialTabPage[])pages.ToArray(typeof(MaterialTabPage)));
//Selecting the DragTab
this.basedTabControl.SelectedTab = (MaterialTabPage)dragTab;
//Triggers event
TabDragComplete?.Invoke(this, new EventArgs());
}
}
else
{
//Setting DragDropEffects to none
drgevent.Effect = DragDropEffects.None;
}
}
protected override void OnMouseUp(MouseEventArgs e)
{
Console.WriteLine(1);
MaterialTabPage tp = GetTabByPoint(MousePosition);
MaterialTabPage currentSelectedTab = (MaterialTabPage)basedTabControl.SelectedTab;
Console.WriteLine(2);
Rectangle leftArrow = GetLeftRectangle();
Rectangle rightArrow = GetRightRectangle();
Rectangle plusRectangle = GetPlusRectangle();
Console.WriteLine(3);
bool continueMethod = true;
Console.WriteLine(4);
if (_showNewTabButton)
{
if (plusRectangle.Contains(this.PointToClient(MousePosition)))
{
MaterialTabPage NewTab = new MaterialTabPage();
NewTab.Text = "New Tab";
this.basedTabControl.TabPages.Add(NewTab);
this.basedTabControl.SelectedTab = NewTab;
continueMethod = false;
NewTabButtonClick?.Invoke(this, new NewTabButtonClickedEventArgs {
NewTabPage = NewTab
});
}
}
Console.WriteLine(5);
if (tp != null && continueMethod)
{
Console.WriteLine(6);
this.tabRectangles = this.GetTabRectangles();
int tabIndex = this.basedTabControl.TabPages.IndexOf(tp); Rectangle TabRectangle = this.tabRectangles[tabIndex];
int intY = TabRectangle.Height; Rectangle closeButtonRect = new Rectangle(new Point(TabRectangle.X + TabRectangle.Width - intY - 1, 3), new Size(intY, intY - 3));
if (leftArrow.Contains(this.PointToClient(MousePosition)))
{
ScrollLeft();
}
else if (rightArrow.Contains(this.PointToClient(MousePosition)))
{
ScrollRight();
}
else if (closeButtonRect.Contains(this.PointToClient(MousePosition)))
{
Console.WriteLine(7);
if (this.basedTabControl.SelectedTab == tp && this.basedTabControl.TabPages.Count != 1)
{
if (this.basedTabControl.TabPages.Count - 1 == tabIndex)
{
this.basedTabControl.SelectedTab = this.basedTabControl.TabPages[tabIndex - 1];
}
else
{
this.basedTabControl.SelectedTab = this.basedTabControl.TabPages[tabIndex + 1];
}
}
else
{
basedTabControl.SelectedTab = currentSelectedTab;
}
this.basedTabControl.TabPages.Remove(tp);
tp.Dispose();
}
}
}
