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using System;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
using FarsiLibrary.Win.BaseClasses;
using FarsiLibrary.Win.Design;
namespace FarsiLibrary.Win
{
[Designer(typeof(FATabStripDesigner))]
[DefaultEvent("TabStripItemSelectionChanged")]
[DefaultProperty("Items")]
[ToolboxItem(true)]
[ToolboxBitmap("FATabStrip.bmp")]
public class FATabStrip : BaseStyledPanel, ISupportInitialize, IDisposable
{
#region Static Fields
internal static int PreferredWidth = 350;
internal static int PreferredHeight = 200;
#endregion
#region Constants
private int DEF_HEADER_HEIGHT = 24;
private int DEF_GLYPH_WIDTH = 16;
private int DEF_START_POS = 10;
#endregion
#region Events
public event TabStripItemClosingHandler TabStripItemClosing;
public event TabStripItemChangedHandler TabStripItemSelectionChanged;
public event HandledEventHandler MenuItemsLoading;
public event EventHandler MenuItemsLoaded;
public event EventHandler TabStripItemClosed;
#endregion
#region Fields
private Rectangle stripButtonRect = Rectangle.Empty;
private FATabStripItem selectedItem = null;
public ContextMenuStrip menu = null;
private FATabStripMenuGlyph menuGlyph = null;
private FATabStripCloseButton closeButton = null;
private FATabStripItemCollection items;
private StringFormat sf = null;
private static Font defaultFont = SystemFonts.MessageBoxFont;
private bool alwaysShowClose = true;
private bool isIniting = false;
private bool alwaysShowMenuGlyph = true;
private bool menuOpen = false;
#endregion
#region Methods
#region Public
/// <summary>
/// Returns hit test results
/// </summary>
/// <param name="pt"></param>
/// <returns></returns>
public HitTestResult HitTest(Point pt)
{
if (closeButton.Bounds.Contains(pt))
return HitTestResult.CloseButton;
if (menuGlyph.Bounds.Contains(pt))
return HitTestResult.MenuGlyph;
if (GetTabItemByPoint(pt) != null)
return HitTestResult.TabItem;
//No other result is available.
return HitTestResult.None;
}
/// <summary>
/// Add a <see cref="FATabStripItem"/> to this control without selecting it.
/// </summary>
/// <param name="tabItem"></param>
public void AddTab(FATabStripItem tabItem)
{
AddTab(tabItem, false);
}
/// <summary>
/// Add a <see cref="FATabStripItem"/> to this control.
/// User can make the currently selected item or not.
/// </summary>
/// <param name="tabItem"></param>
public void AddTab(FATabStripItem tabItem, bool autoSelect)
{
tabItem.Dock = DockStyle.Fill;
Items.Add(tabItem);
if ((autoSelect && tabItem.Visible) || (tabItem.Visible && Items.DrawnCount < 1))
{
SelectedItem = tabItem;
SelectItem(tabItem);
}
}
/// <summary>
/// Remove a <see cref="FATabStripItem"/> from this control.
/// </summary>
/// <param name="tabItem"></param>
public void RemoveTab(FATabStripItem tabItem)
{
int tabIndex = Items.IndexOf(tabItem);
if (tabIndex >= 0)
{
UnSelectItem(tabItem);
Items.Remove(tabItem);
}
if (Items.Count > 0)
{
if (RightToLeft == RightToLeft.No)
{
if (Items[tabIndex - 1] != null)
{
SelectedItem = Items[tabIndex - 1];
}
else
{
SelectedItem = Items.FirstVisible;
}
}
else
{
if (Items[tabIndex + 1] != null)
{
SelectedItem = Items[tabIndex + 1];
}
else
{
SelectedItem = Items.LastVisible;
}
}
}
}
/// <summary>
/// Get a <see cref="FATabStripItem"/> at provided point.
/// If no item was found, returns null value.
/// </summary>
/// <param name="pt"></param>
/// <returns></returns>
public FATabStripItem GetTabItemByPoint(Point pt)
{
FATabStripItem item = null;
bool found = false;
for (int i = 0; i < Items.Count; i++)
{
FATabStripItem current = Items[i];
if (current.StripRect.Contains(pt) && current.Visible && current.IsDrawn)
{
item = current;
found = true;
}
if (found)
break;
}
return item;
}
/// <summary>
/// Display items menu
/// </summary>
public virtual void ShowMenu()
{
if (menu.Visible == false && menu.Items.Count > 0)
{
if (RightToLeft == RightToLeft.No)
{
menu.Show(this, new Point(menuGlyph.Bounds.Left, menuGlyph.Bounds.Bottom));
}
else
{
menu.Show(this, new Point(menuGlyph.Bounds.Right, menuGlyph.Bounds.Bottom));
}
menuOpen = true;
}
}
#endregion
#region Internal
internal void UnDrawAll()
{
for (int i = 0; i < Items.Count; i++)
{
Items[i].IsDrawn = false;
}
}
internal void SelectItem(FATabStripItem tabItem)
{
tabItem.Dock = DockStyle.Fill;
tabItem.Visible = true;
tabItem.Selected = true;
}
internal void UnSelectItem(FATabStripItem tabItem)
{
//tabItem.Visible = false;
tabItem.Selected = false;
}
#endregion
#region Protected
/// <summary>
/// Fires <see cref="TabStripItemClosing"/> event.
/// </summary>
/// <param name="e"></param>
protected internal virtual void OnTabStripItemClosing(TabStripItemClosingEventArgs e)
{
if (TabStripItemClosing != null)
TabStripItemClosing(e);
}
/// <summary>
/// Fires <see cref="TabStripItemClosed"/> event.
/// </summary>
/// <param name="e"></param>
protected internal virtual void OnTabStripItemClosed(EventArgs e)
{
if (TabStripItemClosed != null)
TabStripItemClosed(this, e);
}
/// <summary>
/// Fires <see cref="MenuItemsLoading"/> event.
/// </summary>
/// <param name="e"></param>
protected virtual void OnMenuItemsLoading(HandledEventArgs e)
{
if (MenuItemsLoading != null)
MenuItemsLoading(this, e);
}
/// <summary>
/// Fires <see cref="MenuItemsLoaded"/> event.
/// </summary>
/// <param name="e"></param>
protected virtual void OnMenuItemsLoaded(EventArgs e)
{
if (MenuItemsLoaded != null)
MenuItemsLoaded(this, e);
}
/// <summary>
/// Fires <see cref="TabStripItemSelectionChanged"/> event.
/// </summary>
/// <param name="e"></param>
protected virtual void OnTabStripItemChanged(TabStripItemChangedEventArgs e)
{
if (TabStripItemSelectionChanged != null)
TabStripItemSelectionChanged(e);
}
/// <summary>
/// Loads menu items based on <see cref="FATabStripItem"/>s currently added
/// to this control.
/// </summary>
/// <param name="e"></param>
protected virtual void OnMenuItemsLoad(EventArgs e)
{
menu.RightToLeft = RightToLeft;
menu.Items.Clear();
for (int i = 0; i < Items.Count; i++)
{
FATabStripItem item = Items[i];
if (!item.Visible)
continue;
ToolStripMenuItem tItem = new ToolStripMenuItem(item.Title);
tItem.Tag = item;
tItem.Image = item.Image;
menu.Items.Add(tItem);
}
OnMenuItemsLoaded(EventArgs.Empty);
}
#endregion
#region Overrides
protected override void OnRightToLeftChanged(EventArgs e)
{
base.OnRightToLeftChanged(e);
UpdateLayout();
Invalidate();
}
protected override void OnPaint(PaintEventArgs e)
{
double dpiscale = e.Graphics.DpiX / 96.0;
DEF_HEADER_HEIGHT = (int)(24 * dpiscale);
DEF_GLYPH_WIDTH = (int)(20 * dpiscale);
SetDefaultSelected();
Rectangle borderRc = ClientRectangle;
borderRc.Width--;
borderRc.Height--;
if (RightToLeft == RightToLeft.No)
{
DEF_START_POS = 10;
}
else
{
DEF_START_POS = stripButtonRect.Right;
}
// e.Graphics.DrawRectangle(SystemPens.ControlDark, borderRc);
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
#region Draw Pages
for (int i = 0; i < Items.Count; i++)
{
FATabStripItem currentItem = Items[i];
if (!currentItem.Visible && !DesignMode)
continue;
OnCalcTabPage(e.Graphics, currentItem);
currentItem.IsDrawn = false;
if (!AllowDraw(currentItem))
continue;
OnDrawTabPage(e.Graphics, currentItem);
}
#endregion
#region Draw UnderPage Line
if (RightToLeft == RightToLeft.No)
{
if (Items.DrawnCount == 0 || Items.VisibleCount == 0)
{
e.Graphics.DrawLine(SystemPens.ControlDark, new Point(0, DEF_HEADER_HEIGHT),
new Point(ClientRectangle.Width, DEF_HEADER_HEIGHT));
}
else if (SelectedItem != null && SelectedItem.IsDrawn)
{
Point end = new Point((int)SelectedItem.StripRect.Left - 9, DEF_HEADER_HEIGHT);
// e.Graphics.DrawLine(new Pen(Color.FromArgb(0, 122, 204)), new Point(0, DEF_HEADER_HEIGHT), end);
e.Graphics.DrawLine(new Pen(SystemColors.ActiveCaption), new Point(0, DEF_HEADER_HEIGHT), end);
//end.X += (int)SelectedItem.StripRect.Width + 10;
e.Graphics.DrawLine(new Pen(SystemColors.ActiveCaption), end, new Point(ClientRectangle.Width, DEF_HEADER_HEIGHT));
}
}
else
{
if (Items.DrawnCount == 0 || Items.VisibleCount == 0)
{
e.Graphics.DrawLine(SystemPens.ControlDark, new Point(0, DEF_HEADER_HEIGHT),
new Point(ClientRectangle.Width, DEF_HEADER_HEIGHT));
}
else if (SelectedItem != null && SelectedItem.IsDrawn)
{
Point end = new Point((int)SelectedItem.StripRect.Left, DEF_HEADER_HEIGHT);
e.Graphics.DrawLine(SystemPens.ControlDark, new Point(0, DEF_HEADER_HEIGHT), end);
end.X += (int)SelectedItem.StripRect.Width + 20;
e.Graphics.DrawLine(SystemPens.ControlDark, end, new Point(ClientRectangle.Width, DEF_HEADER_HEIGHT));
}
}
#endregion
#region Draw Menu and Close Glyphs
if (AlwaysShowMenuGlyph || Items.DrawnCount > Items.VisibleCount)
menuGlyph.DrawGlyph(e.Graphics);
if (AlwaysShowClose || (SelectedItem != null && SelectedItem.CanClose))
closeButton.DrawCross(e.Graphics);
#endregion
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button != MouseButtons.Left)
return;
HitTestResult result = HitTest(e.Location);
if (result == HitTestResult.MenuGlyph)
{
HandledEventArgs args = new HandledEventArgs(false);
OnMenuItemsLoading(args);
if (!args.Handled)
OnMenuItemsLoad(EventArgs.Empty);
ShowMenu();
}
else if (result == HitTestResult.CloseButton)
{
if (SelectedItem != null)
{
TabStripItemClosingEventArgs args = new TabStripItemClosingEventArgs(SelectedItem);
OnTabStripItemClosing(args);
if (!args.Cancel && SelectedItem.CanClose)
{
RemoveTab(SelectedItem);
OnTabStripItemClosed(EventArgs.Empty);
}
}
}
else if (result == HitTestResult.TabItem)
{
FATabStripItem item = GetTabItemByPoint(e.Location);
if (item != null)
SelectedItem = item;
}
Invalidate();
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (menuGlyph.Bounds.Contains(e.Location))
{
menuGlyph.IsMouseOver = true;
Invalidate(menuGlyph.Bounds);
}
else
{
if (menuGlyph.IsMouseOver && !menuOpen)
{
menuGlyph.IsMouseOver = false;
Invalidate(menuGlyph.Bounds);
}
}
if (closeButton.Bounds.Contains(e.Location))
{
closeButton.IsMouseOver = true;
Invalidate(closeButton.Bounds);
}
else
{
if (closeButton.IsMouseOver)
{
closeButton.IsMouseOver = false;
Invalidate(closeButton.Bounds);
}
}
}
protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
menuGlyph.IsMouseOver = false;
Invalidate(menuGlyph.Bounds);
closeButton.IsMouseOver = false;
Invalidate(closeButton.Bounds);
}
protected override void OnSizeChanged(EventArgs e)
{
base.OnSizeChanged(e);
if (isIniting)
return;
UpdateLayout();
}
#endregion
#region Private
private bool AllowDraw(FATabStripItem item)
{
bool result = true;
if (RightToLeft == RightToLeft.No)
{
if (item.StripRect.Right >= stripButtonRect.Width)
result = false;
}
else
{
if (item.StripRect.Left <= stripButtonRect.Left)
return false;
}
return result;
}
private void SetDefaultSelected()
{
if (selectedItem == null && Items.Count > 0)
SelectedItem = Items[0];
for (int i = 0; i < Items.Count; i++)
{
FATabStripItem itm = Items[i];
itm.Dock = DockStyle.Fill;
}
}
private void OnMenuItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
FATabStripItem clickedItem = (FATabStripItem)e.ClickedItem.Tag;
SelectedItem = clickedItem;
}
private void OnMenuVisibleChanged(object sender, EventArgs e)
{
if (menu.Visible == false)
{
menuOpen = false;
}
}
private void OnCalcTabPage(Graphics g, FATabStripItem currentItem)
{
Font currentFont = Font;
if (currentItem == SelectedItem)
currentFont = new Font(Font, FontStyle.Bold);
double dpiscale = g.DpiX / 96.0;
SizeF textSize = g.MeasureString(currentItem.Title, SystemFonts.MessageBoxFont, new SizeF(300, 10), sf);
textSize.Width += 15 * (float)(dpiscale + 0.3);
if (RightToLeft == RightToLeft.No)
{
RectangleF buttonRect = new RectangleF(DEF_START_POS - 9, 1, textSize.Width, (int)(DEF_HEADER_HEIGHT));
currentItem.StripRect = buttonRect;
DEF_START_POS += (int)textSize.Width;
}
else
{
RectangleF buttonRect = new RectangleF(DEF_START_POS - textSize.Width + 1, 3, textSize.Width - 1, (int)(DEF_HEADER_HEIGHT));
currentItem.StripRect = buttonRect;
DEF_START_POS -= (int)textSize.Width;
}
}
private void OnDrawTabPage(Graphics g, FATabStripItem currentItem)
{
double dpiscale = g.DpiX / 96.0;
bool isFirstTab = Items.IndexOf(currentItem) == 0;
Font currentFont = new Font(SystemFonts.MessageBoxFont, FontStyle.Bold);
SizeF textSize = g.MeasureString(currentItem.Title, currentFont, new SizeF(400, 50), sf);
textSize.Width += 20 * (float)dpiscale;
RectangleF buttonRect = currentItem.StripRect;
GraphicsPath path = new GraphicsPath();
LinearGradientBrush brush;
int mtop = 6;
#region Draw Not Right-To-Left Tab
if (RightToLeft == RightToLeft.No)
{
//if (currentItem == SelectedItem || isFirstTab)
//{
// path.AddLine(buttonRect.Left - 10, buttonRect.Bottom - 1,
// buttonRect.Left + (buttonRect.Height/2) - 4, mtop + 4);
//}
//else
//{
// path.AddLine(buttonRect.Left, buttonRect.Bottom - 1, buttonRect.Left,
// buttonRect.Bottom - (buttonRect.Height/2) - 2);
// path.AddLine(buttonRect.Left, buttonRect.Bottom - (buttonRect.Height/2) - 3,
// buttonRect.Left + (buttonRect.Height/2) - 4, mtop + 3);
//}
//path.AddLine(buttonRect.Left + (buttonRect.Height/2) + 2, mtop, buttonRect.Right - 3, mtop);
//path.AddLine(buttonRect.Right, mtop + 2, buttonRect.Right, buttonRect.Bottom - 1);
//path.AddLine(buttonRect.Right - 4, buttonRect.Bottom - 1, buttonRect.Left, buttonRect.Bottom - 1);
path.AddRectangle(buttonRect);
path.CloseFigure();
if (currentItem == SelectedItem)
{
brush = new LinearGradientBrush(buttonRect, SystemColors.ActiveCaption, SystemColors.ActiveCaption, LinearGradientMode.Vertical);
}
else
{
brush = new LinearGradientBrush(buttonRect, SystemColors.InactiveCaption, SystemColors.InactiveCaption, LinearGradientMode.Vertical);
}
g.FillPath(brush, path);
g.DrawPath(new Pen(brush, 1), path);
//if (currentItem == SelectedItem)
//{
// g.DrawLine(new Pen(brush), buttonRect.Left, buttonRect.Height + 2,
// buttonRect.Left + buttonRect.Width, buttonRect.Height + 2);
//}
var tmargin = 15 * (float)(dpiscale + 0.3) / 2.0f;
PointF textLoc = new PointF(buttonRect.Left + tmargin, buttonRect.Top + (buttonRect.Height - textSize.Height) / 2);
RectangleF textRect = buttonRect;
textRect.Location = textLoc;
//textRect.Width = buttonRect.Width - (textRect.Left - buttonRect.Left) - 4;
//textRect.Height = textSize.Height + currentFont.Size/2;
if (currentItem == SelectedItem)
{
//textRect.Y -= 2;
g.DrawString(currentItem.Title,currentFont, new SolidBrush(SystemColors.ActiveCaptionText), textRect, sf);
}
else
{
g.DrawString(currentItem.Title, SystemFonts.MessageBoxFont, new SolidBrush(SystemColors.ActiveCaptionText), textRect, sf);
}
}
#endregion
#region Draw Right-To-Left Tab
if (RightToLeft == RightToLeft.Yes)
{
if (currentItem == SelectedItem || isFirstTab)
{
path.AddLine(buttonRect.Right + 10, buttonRect.Bottom - 1,
buttonRect.Right - (buttonRect.Height / 2) + 4, mtop + 4);
}
else
{
path.AddLine(buttonRect.Right, buttonRect.Bottom - 1, buttonRect.Right,
buttonRect.Bottom - (buttonRect.Height / 2) - 2);
path.AddLine(buttonRect.Right, buttonRect.Bottom - (buttonRect.Height / 2) - 3,
buttonRect.Right - (buttonRect.Height / 2) + 4, mtop + 3);
}
path.AddLine(buttonRect.Right - (buttonRect.Height / 2) - 2, mtop, buttonRect.Left + 3, mtop);
path.AddLine(buttonRect.Left, mtop + 2, buttonRect.Left, buttonRect.Bottom - 1);
path.AddLine(buttonRect.Left + 4, buttonRect.Bottom - 1, buttonRect.Right, buttonRect.Bottom - 1);
path.CloseFigure();
if (currentItem == SelectedItem)
{
brush =
new LinearGradientBrush(buttonRect, SystemColors.ControlLightLight, SystemColors.Window,
LinearGradientMode.Vertical);
}
else
{
brush =
new LinearGradientBrush(buttonRect, SystemColors.ControlLightLight, SystemColors.Control,
LinearGradientMode.Vertical);
}
g.FillPath(brush, path);
g.DrawPath(SystemPens.ControlDark, path);
if (currentItem == SelectedItem)
{
g.DrawLine(new Pen(brush), buttonRect.Right + 9, buttonRect.Height + 2,
buttonRect.Right - buttonRect.Width + 1, buttonRect.Height + 2);
}
PointF textLoc = new PointF(buttonRect.Left + 2, buttonRect.Top + (buttonRect.Height / 2) - (textSize.Height / 2) - 2);
RectangleF textRect = buttonRect;
textRect.Location = textLoc;
textRect.Width = buttonRect.Width - (textRect.Left - buttonRect.Left) - 10;
textRect.Height = textSize.Height + currentFont.Size / 2;
if (currentItem == SelectedItem)
{
textRect.Y -= 1;
g.DrawString(currentItem.Title, currentFont, new SolidBrush(ForeColor), textRect, sf);
}
else
{
g.DrawString(currentItem.Title, currentFont, new SolidBrush(ForeColor), textRect, sf);
}
//g.FillRectangle(Brushes.Red, textRect);
}
#endregion
currentItem.IsDrawn = true;
}
private void UpdateLayout()
{
if (RightToLeft == RightToLeft.No)
{
sf.Trimming = StringTrimming.EllipsisCharacter;
sf.FormatFlags |= StringFormatFlags.NoWrap;
sf.FormatFlags &= StringFormatFlags.DirectionRightToLeft;
var dy = (DEF_HEADER_HEIGHT - DEF_GLYPH_WIDTH) / 2;
stripButtonRect = new Rectangle(0, 0, ClientSize.Width - DEF_GLYPH_WIDTH - 2, 10);
menuGlyph.Bounds = new Rectangle(ClientSize.Width - DEF_GLYPH_WIDTH * 2 - 2, dy, DEF_GLYPH_WIDTH, DEF_GLYPH_WIDTH);
closeButton.Bounds = new Rectangle(ClientSize.Width - DEF_GLYPH_WIDTH, dy, DEF_GLYPH_WIDTH, DEF_GLYPH_WIDTH);
}
else
{
sf.Trimming = StringTrimming.EllipsisCharacter;
sf.FormatFlags |= StringFormatFlags.NoWrap;
sf.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
stripButtonRect = new Rectangle(DEF_GLYPH_WIDTH + 2, 0, ClientSize.Width - DEF_GLYPH_WIDTH - 15, 10);
closeButton.Bounds = new Rectangle(4, 2, DEF_HEADER_HEIGHT - 4, DEF_HEADER_HEIGHT - 4); //ClientSize.Width - DEF_GLYPH_WIDTH, 2, 16, 16);
menuGlyph.Bounds = new Rectangle(DEF_HEADER_HEIGHT + 4, 2, DEF_HEADER_HEIGHT - 4, DEF_HEADER_HEIGHT - 4); //this.ClientSize.Width - 20, 2, 16, 16);
}
DockPadding.Top = DEF_HEADER_HEIGHT + 1;
DockPadding.Bottom = 1;
DockPadding.Right = 1;
DockPadding.Left = 1;
}
private void OnCollectionChanged(object sender, CollectionChangeEventArgs e)
{
FATabStripItem itm = (FATabStripItem)e.Element;
if (e.Action == CollectionChangeAction.Add)
{
Controls.Add(itm);
OnTabStripItemChanged(new TabStripItemChangedEventArgs(itm, FATabStripItemChangeTypes.Added));
}
else if (e.Action == CollectionChangeAction.Remove)
{
Controls.Remove(itm);
OnTabStripItemChanged(new TabStripItemChangedEventArgs(itm, FATabStripItemChangeTypes.Removed));
}
else
{
OnTabStripItemChanged(new TabStripItemChangedEventArgs(itm, FATabStripItemChangeTypes.Changed));
}
UpdateLayout();
Invalidate();
}
#endregion
#endregion
#region Ctor
public FATabStrip()
{
BeginInit();
double dpiscale = 1.0;
using (Graphics g = this.CreateGraphics())
{
dpiscale = g.DpiX / 96.0;
}
DEF_HEADER_HEIGHT = (int)(24.0 * dpiscale);
SetStyle(ControlStyles.ContainerControl, true);
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.ResizeRedraw, true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
SetStyle(ControlStyles.Selectable, true);
items = new FATabStripItemCollection();
items.CollectionChanged += new CollectionChangeEventHandler(OnCollectionChanged);
base.Size = new Size(350, 200);
menu = new ContextMenuStrip();
menu.RenderMode = ToolStripRenderMode.ManagerRenderMode;
menu.ItemClicked += new ToolStripItemClickedEventHandler(OnMenuItemClicked);
menu.VisibleChanged += new EventHandler(OnMenuVisibleChanged);
menuGlyph = new FATabStripMenuGlyph(ToolStripRenderer);
closeButton = new FATabStripCloseButton(ToolStripRenderer);
Font = defaultFont;
sf = new StringFormat();
EndInit();
UpdateLayout();
}
#endregion
#region Props
[DefaultValue(null)]
public ContextMenuStrip CtxMenu
{
get { return menu; }
set
{
menu = value;
}
}
[DefaultValue(null)]
[RefreshProperties(RefreshProperties.All)]
public FATabStripItem SelectedItem
{
get { return selectedItem; }
set
{
if (selectedItem == value)
return;
if (value == null && Items.Count > 0)
{
FATabStripItem itm = Items[0];
if (itm.Visible)
{
selectedItem = itm;
selectedItem.Selected = true;
selectedItem.Dock = DockStyle.Fill;
}
}
else
{
selectedItem = value;
}
foreach (FATabStripItem itm in Items)
{
if (itm == selectedItem)
{
SelectItem(itm);
itm.Dock = DockStyle.Fill;
itm.Show();
}
else
{
UnSelectItem(itm);
itm.Hide();
}
}
SelectItem(selectedItem);
Invalidate();
if (!selectedItem.IsDrawn)
{
Items.MoveTo(0, selectedItem);
Invalidate();
}
OnTabStripItemChanged(
new TabStripItemChangedEventArgs(selectedItem, FATabStripItemChangeTypes.SelectionChanged));
}
}
[DefaultValue(true)]
public bool AlwaysShowMenuGlyph
{
get { return alwaysShowMenuGlyph; }
set
{
if (alwaysShowMenuGlyph == value)
return;
alwaysShowMenuGlyph = value;
Invalidate();
}
}
[DefaultValue(true)]
public bool AlwaysShowClose
{
get { return alwaysShowClose; }
set
{
if (alwaysShowClose == value)
return;
alwaysShowClose = value;
Invalidate();
}
}
[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
public FATabStripItemCollection Items
{
get { return items; }
}
[DefaultValue(typeof(Size), "350,200")]
public new Size Size
{
get { return base.Size; }
set
{
if (base.Size == value)
return;
base.Size = value;
UpdateLayout();
}
}
/// <summary>
/// DesignerSerializationVisibility
/// </summary>
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public new ControlCollection Controls
{
get { return base.Controls; }
}
#endregion
#region ShouldSerialize
public bool ShouldSerializeFont()
{
return Font != null && !Font.Equals(defaultFont);
}
public bool ShouldSerializeSelectedItem()
{
return true;
}
public bool ShouldSerializeItems()
{
return items.Count > 0;
}
public new void ResetFont()
{
Font = defaultFont;
}
#endregion
#region ISupportInitialize Members
public void BeginInit()
{
isIniting = true;
}
public void EndInit()
{
isIniting = false;
}
#endregion
#region IDisposable
///<summary>
///Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
///</summary>
///<filterpriority>2</filterpriority>
protected override void Dispose(bool disposing)
{
if (disposing)
{
items.CollectionChanged -= new CollectionChangeEventHandler(OnCollectionChanged);
menu.ItemClicked -= new ToolStripItemClickedEventHandler(OnMenuItemClicked);
menu.VisibleChanged -= new EventHandler(OnMenuVisibleChanged);
foreach (FATabStripItem item in items)
{
if (item != null && !item.IsDisposed)
item.Dispose();
}
if (menu != null && !menu.IsDisposed)
menu.Dispose();
if (sf != null)
sf.Dispose();
}
base.Dispose(disposing);
}
#endregion
}
} |