/// <summary>
/// Draw the images on the current tab
/// </summary>
/// <param name="graphics"></param>
/// <param name="index"></param>
private void PaintTabImage(System.Drawing.Graphics graphics, int index)
{
Image tabImage = null;
if (this.TabPages[index].ImageIndex > -1 && this.ImageList != null)
{
tabImage = this.ImageList.Images[this.TabPages[index].ImageIndex];
}
else if (this.TabPages[index].ImageKey.Trim().Length > 0 && this.ImageList != null)
{
tabImage = this.ImageList.Images[this.TabPages[index].ImageKey];
}
Rectangle rect = this.GetTabRect(index);
if (tabImage != null)
{
Rectangle tabimageArea = new Rectangle(rect.Left + rect.Height / 2, rect.Top + 4, 15, 15);
graphics.DrawRectangle(new Pen(Color.Blue), tabimageArea);
this.PaintImage(tabimageArea, graphics, tabImage);
}
Rectangle closeImageArea = new Rectangle(rect.Right - 16, rect.Top + 2, 13, 13);
f0t0page page = this.TabPages[index] as f0t0page;
if (page != null && page.CanClose)
{
using (Bitmap bmp = (index == this.SelectedIndex) ?
new Bitmap(Properties.Resources.closebtn) : new Bitmap(Properties.Resources.disabled_close_btn))
{
this.PaintImage(closeImageArea, graphics, bmp);
page.CloseBounds = closeImageArea;
}
}
}
/// <summary>
/// Creates a new tab
/// </summary>
internal void CreateNewTab()
{
f0t0page newtab = new f0t0page();
newtab.Name = string.Format("{0}{1}", newtab.Name, this.TabCount);
newtab.SetFotoBox(fotoBox);
this.TabPages.Add(newtab);
this.SelectTab(newtab.Name);
newtab.Focus();
}
private void CloseClone(object sender, CloningEventArgs e)
{
f0t0page page = sender as f0t0page;
if (page != null)
{
page.ReAssemble();
page.IsCloned = false;
page.UpdateText(e.MainPictureName);
page.fotobox.UpdateAll();
}
}
private void InitClone(object sender, CloningEventArgs e)
{
f0t0page page = sender as f0t0page;
if (page != null)
{
//Thread.Sleep(200); //wait a few millsecs for stuff.
this.splitContainer.SplitterDistance = this.splitContainer.Parent.Width;
page.IsCloned = true;
page.fotobox.UpdateAll();
page.UpdateText(e.MainPictureName);
page.Retract();
}
}
/// <summary>
/// Event: occurs when the mouse moves over the surface of a control
/// </summary>
/// <param name="e">mouse event arguments</param>
protected override void OnMouseMove(MouseEventArgs e)
{
this.SuspendLayout();
base.OnMouseMove(e);
Point pt = new Point(e.X, e.Y);
f0t0page page = GetTabPageByLocation(pt) as f0t0page;
if (e.Button == MouseButtons.Left)
{
if (page != null)
{
this.DoDragDrop(page, DragDropEffects.All);
}
}
this.ResumeLayout(true);
}
/// <summary>
/// Event: Occurs when the mouse button goes up
/// </summary>
/// <param name="e"></param>
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
f0t0page page = this.GetTabPageByLocation(e.Location) as f0t0page;
if (e.Button == MouseButtons.Left)
{
if (page != null && page.CanClose && page.CloseHot)
{
Rectangle closeBtnBounds = page.CloseBounds;
if (closeBtnBounds.Contains(e.Location))
{
this.Close(page);
}
}
}
}
/// <summary>
/// Event: occurs when mouse button is down
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDown(MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
this.SelectedTab = this.GetTabPageByLocation(e.Location);
}
else if (e.Button == MouseButtons.Left)
{
f0t0page page = this.SelectedTab as f0t0page;
if (page != null && page.CanClose)
{
Rectangle closeBtnBounds = page.CloseBounds;
if (closeBtnBounds.Contains(e.Location))
{
page.CloseHot = true;
//this.Close(page);
}
}
}
base.OnMouseDown(e);
}
/// <summary>
/// Event: Occurs when the mouse is dragged over the tabcontrol.
/// </summary>
/// <param name="sender"></param>
/// <param name="drgevent"></param>
protected override void OnDragOver(DragEventArgs drgevent)
{
base.OnDragOver(drgevent);
Point p = new Point(drgevent.X, drgevent.Y);
p = this.PointToClient(p);
f0t0page hovered_page = this.GetTabPageByLocation(p) as f0t0page;
if (hovered_page != null)
{
this.SelectedTab = hovered_page;
if (drgevent.Data.GetDataPresent(typeof(f0t0page)))
{
drgevent.Effect = DragDropEffects.Move;
f0t0page movingTab = drgevent.Data.GetData(typeof(f0t0page)) as f0t0page;
int currentIndex = FindTabIndex(hovered_page);
int movingTabIndex = FindTabIndex(movingTab);
if (currentIndex.CompareTo(movingTabIndex) != 0)
{
this.SuspendLayout();
if (currentIndex >= 0 || movingTabIndex >= 0)
{
this.TabPages[currentIndex] = movingTab;
this.TabPages[movingTabIndex] = hovered_page;
bool canclose = movingTab.CanClose;
movingTab.CanClose = hovered_page.CanClose;
hovered_page.CanClose = canclose;
}
this.ResumeLayout(true);
this.SelectedTab = movingTab;
}
}
else
{
drgevent.Effect = DragDropEffects.Link;
hovered_page.Focus();
}
}
}
/// <summary>
/// Close a given tabpage
/// </summary>
/// <param name="tabpage">the tabpage to close</param>
public void Close(TabPage tabpage)
{
if (this.Contains(tabpage))
{
f0t0page f = (tabpage as f0t0page);
if (f.CanClose)
{
int tabIndex = this.FindTabIndex(f);
while (this.closeTabList.ContainsKey(tabIndex))
{
tabIndex++;
}
this.closeTabList.Add(tabIndex, tabpage);
//TODO: Design a DS to hold tabpages so that an upper limit can be set.
this.TabPages.Remove(tabpage);
}
else
{
this.CurrentPage.UnloadPicture(this);
}
}
}
