/// <summary>
/// Creates the character set menu with encodings as sub menu items.
/// </summary>
/// <param name="parent">The parent tool strip menu item.</param>
/// <param name="singleCodePageResults">A flag indicating if character sets containing only single encoding should be returned.</param>
/// <param name="data">Additional data to be assigned to the encoding tool strip menu item.</param>
public static void CreateCharacterSetMenu(ToolStripMenuItem parent, bool singleCodePageResults, object data)
{
// create an instance of the EncodingCharacterSet class..
var encodingCharacterSet = new EncodingCharacterSet();
// get the character sets contained in the EncodingCharacterSet class..
var charSets = encodingCharacterSet.GetCharacterSetList(singleCodePageResults);
// loop through the character sets..
foreach (var item in charSets)
{
// create a "dummy" menu to contain the actual encodings for the character set..
ToolStripMenuItem menuItem =
new ToolStripMenuItem(encodingCharacterSet.GetCharacterSetName(item))
{
Tag = item
};
// set the tag to contain the character set enumeration value..
// get the encodings for the character set..
var encodings = encodingCharacterSet[item];
// loop through the encodings within the character set..
foreach (var encoding in encodings)
{
if (encoding == null)
{
continue;
}
// create a menu item for the encoding..
DataToolStripMenuItem menuItemEncoding = new DataToolStripMenuItem(encoding.EncodingName)
{
Tag = encoding, Data = data
};
// set the Tag property to contain the encoding..
// set the user given additional data for the menu item..
// subscribe the click event..
menuItemEncoding.Click += MenuItemEncoding_Click;
// add the menu item to the character set menu..
menuItem.DropDownItems.Add(menuItemEncoding);
}
// add the character set menu item to the given parent menu..
parent.DropDownItems.Add(menuItem);
}
}
// an internal event handler to raise the EncodingMenuClicked event if subscribed..
private static void MenuItemEncoding_Click(object sender, EventArgs e)
{
// get the sender and assume a type of DataToolStripMenuItem..
DataToolStripMenuItem dataToolStripMenuItem = (DataToolStripMenuItem)sender;
// raise the event if subscribed..
EncodingMenuClicked?.
Invoke(sender,
new EncodingMenuClickEventArgs
{
Encoding = (System.Text.Encoding)dataToolStripMenuItem.Tag,
Data = dataToolStripMenuItem.Data
});
}
/// <summary>
/// Creates a recent files menu to a given parent menu.
/// </summary>
/// <param name="menuItem">The menu item to add the recent files list.</param>
/// <param name="session">A name of the session to which the history documents belong to.</param>
/// <param name="maxCount">Maximum count of recent file entries to add to the given <paramref name="menuItem"/>.</param>
/// <param name="addMenuOpenAll">A flag indicating whether the menu should contain an item to open all recent files.</param>
/// <param name="hideItems">A list of tool strip items to hide if there are no recent files.</param>
public static void CreateRecentFilesMenu(ToolStripMenuItem menuItem, FileSession session,
int maxCount, bool addMenuOpenAll, params ToolStripItem[] hideItems)
{
// dispose of the previous menu items..
DisposeRecentFilesMenu(menuItem);
// get the recent files from the database..
var recentFiles = ScriptNotepadDbContext.DbContext.RecentFiles
.OrderByDescending(f => f.ClosedDateTime).Where(f =>
f.Session.SessionName == session.SessionName && !ScriptNotepadDbContext.DbContext.FileSaves.Any(s =>
!s.IsHistory && s.Session.SessionName == f.Session.SessionName &&
s.FileNameFull == f.FileNameFull)).Take(maxCount);
if (addMenuOpenAll)
{
List <RecentFile> recentFilesAll = recentFiles.ToList();
if (recentFilesAll.Count > 1)
{
// create a menu item for all the recent files..
DataToolStripMenuItem menuItemRecentFile =
new DataToolStripMenuItem(
string.IsNullOrWhiteSpace(MenuOpenAllRecentText)
? "Open all recent files..."
: MenuOpenAllRecentText)
{
Data = recentFilesAll
};
// set the user given additional data for the menu item..
// subscribe the click event..
menuItemRecentFile.Click += MenuItemRecentFile_Click;
// add the menu item to the recent files menu..
menuItem.DropDownItems.Add(menuItemRecentFile);
// add a separator menu item to the recent files menu..
menuItem.DropDownItems.Add(new ToolStripSeparator());
}
}
// loop through the results..
foreach (var recentFile in recentFiles)
{
// create a menu item for the encoding..
DataToolStripMenuItem menuItemRecentFile =
new DataToolStripMenuItem(recentFile.ToString())
{
Data = recentFile
};
// set the user given additional data for the menu item..
// subscribe the click event..
menuItemRecentFile.Click += MenuItemRecentFile_Click;
// add the menu item to the recent files menu..
menuItem.DropDownItems.Add(menuItemRecentFile);
}
// the recent file menu should only be visible if there are any drop down items..
menuItem.Visible = menuItem.DropDownItems.Count > 0;
// hide or show the items which are "depended" of the visibility of the
// recent files menu..
foreach (ToolStripItem item in hideItems)
{
item.Visible = menuItem.DropDownItems.Count > 0;
}
}
