private static void TabControl_OnMouseDown(object sender, MouseEventArgs e)
{
//Check all the tab to determind which tab that has mouse click fall into.
foreach (TabPage tabPage in TabControl.TabPages)
{
//get the area of tab
Rectangle tabRect = TabControl.GetTabRect(TabControl.TabPages.IndexOf(tabPage));
//get the area of the "x" image
Rectangle imageXRect = new Rectangle(tabRect.Right - tabRect.Height,
tabRect.Top, tabRect.Height, tabRect.Height);
//Remove
if (imageXRect.Contains(e.Location))
{
//Safe close
if ((CurrentTextArea.requiresSaving == 1) && (Dialog.ShowSafeCloseTabDialog(tabPage) == "Cancel"))
{
break;
}
//When we close the unselected tab, it will be automatically selected
//So we need reset to the previous selected tab.
//Check whether the previous selected tab is existing
if (PreviousSelectedTabpage != null && TabControl.TabPages.Contains(PreviousSelectedTabpage))
{
TabControl.SelectedTab = PreviousSelectedTabpage;
}
else
{
//if not, set the next selected tab to the nearest tab
if (TabControl.SelectedIndex == 0)
{
TabControl.SelectedIndex = 1;
}
else
{
TabControl.SelectedIndex -= 1;
}
}
//remove tabpage info in listOfTabPageInfo
RemoveTabPageInfo(tabPage);
//remove tab page
TabControl.TabPages.Remove(tabPage);
break;
}
}
if (TabControl.TabPages.Count > 0)
{
CurrentTextArea.Focus();
}
}
private void closeToolStripMenuItem_Click(object sender, EventArgs e)
{
if (tabControl.TabPages.Count > 0)
{
//Show SaveDialog
if (TabControlMethods.CurrentTextArea.requiresSaving == 1)
{
string result = Dialog.ShowSafeCloseTabDialog(tabControl.SelectedTab);
if (result == "Cancel")
{
return;
}
}
//Choose the selected tab to remove
TabPage tabToRemove = tabControl.SelectedTab;
if (tabControl.SelectedIndex != 0)
{
//set the selectedtab to the first tab page
tabControl.SelectedIndex = tabControl.SelectedIndex - 1;
}
//if the tab we are about to remove is the first tab, just simply set selectedtab to 1
else
{
tabControl.SelectedIndex = tabControl.SelectedIndex + 1;
}
//remove app info
TabControlMethods.RemoveTabPageInfo(tabToRemove);
//remove tab
tabControl.TabPages.Remove(tabToRemove);
if (tabControl.TabPages.Count > 0)
{
TabControlMethods.CurrentTextArea.Focus();
}
}
}
private void closeAllToolStripMenuItem_Click(object sender, EventArgs e)
{
//remove all the tab except the selected Tab
foreach (TabPage tabPage in tabControl.TabPages)
{
if (tabPage != tabControl.SelectedTab)
{
string result = Dialog.ShowSafeCloseTabDialog(tabPage);
if (TabControlMethods.CurrentTextArea.requiresSaving == 1 && result == "Cancel")
{
return;
}
////Delete tab status
//TabControlMethods.RemoveTabPageStatus(tabPage);
//Remove tab Page
tabControl.TabPages.Remove(tabPage);
}
}
}
public static void CloseCurrentTabPage()
{
if (IsEmpty())
{
return;
}
TabPage currentTab = TabControl.SelectedTab;
if ((CurrentTextArea.requiresSaving == 1) && (Dialog.ShowSafeCloseTabDialog(currentTab) == "Cancel"))
{
}
//Set the new SelectedTab
if (PreviousSelectedTabpage != null && TabControl.TabPages.Contains(PreviousSelectedTabpage))
{
TabControl.SelectedTab = PreviousSelectedTabpage;
}
else
{
//if not, set the next selected tab to the nearest tab
if (TabControl.SelectedIndex == 0)
{
TabControl.SelectedIndex = 1;
}
else
{
TabControl.SelectedIndex -= 1;
}
}
//remove tabpage info in listOfTabPageInfo
RemoveTabPageInfo(currentTab);
//remove tab page
TabControl.TabPages.Remove(currentTab);
}
