textlib.cs

c#精彩编程百例（源代码）

//  TextLib.cs
//  Copyright (C) 2001 Mike Krueger
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

using System;
using System.IO;
using System.ComponentModel;
using System.Windows.Forms;
using System.Drawing;
using System.Collections;
using System.Resources;
using System.Xml;

using SharpDevelop.Gui.Edit.Text;
using SharpDevelop.Internal.Templates;

namespace SharpDevelop.Gui.Navigation {
	
	public class TextLib : UserControl
	{
		MainWindow mainwindow;
		ComboBox libraryselector = new ComboBox();
		ListBox  entrylist       = new ListBox();
		
		public TextLib(MainWindow mainwindow)
		{
			this.mainwindow = mainwindow;
			Dock = DockStyle.Fill;
			
			libraryselector.Size = new System.Drawing.Size(184, 21);
			libraryselector.Dock = DockStyle.Top;
			libraryselector.TabIndex = 0;
			libraryselector.DropDownStyle = ComboBoxStyle.DropDownList;
			
			foreach (TextTemplate template in TextTemplate.TextTemplates) {
				libraryselector.Items.Add(template.Name);
			}
			libraryselector.SelectedIndexChanged += new EventHandler(LibrarySelectionChange);
			libraryselector.SelectedIndex = 0;
			entrylist.Dock = DockStyle.Fill;
			entrylist.BorderStyle = BorderStyle.Fixed3D;
			entrylist.Location = new System.Drawing.Point(0, 22);
			entrylist.Size = new System.Drawing.Size(184, 157);
			entrylist.TabIndex = 1;
/*			entrylist.Alignment   = ListViewAlignment.Left;
			entrylist.View        = View.Details;
			entrylist.Columns.Add(new ColumnHeader());
			entrylist.HeaderStyle     = ColumnHeaderStyle.None;*/
			
			entrylist.DoubleClick += new EventHandler(InsertItem);
			Controls.Add(entrylist);
			Controls.Add(libraryselector);
		}
		
		void InsertItem(object sender, EventArgs e)
		{
			if (mainwindow.ActiveContentWindow == null || !mainwindow.ActiveContentWindow.HasTextArea)
				return;
			
			TextAreaControl textarea = mainwindow.ActiveContentWindow.TextArea;
			string text = ((TextTemplate.Entry)entrylist.SelectedItem).Value;
			if (!text.Equals("")) {
				textarea.ClipboardHandler.Delete(sender, e);
				int y = textarea.Caret.CaretPos.Y;
				
				textarea.Caret.CaretPos = textarea.Buffer.Insert(textarea.Caret.CaretPos, text);
				
				if (y != textarea.Caret.CaretPos.Y) {
					textarea.UpdateToEnd(y);
				} else {
					textarea.UpdateLines(y, y);
				}
			}
		}
		
		void LibrarySelectionChange(object sender, EventArgs e)
		{
			TextTemplate template = (TextTemplate)TextTemplate.TextTemplates[libraryselector.SelectedIndex];
			
			entrylist.Items.Clear();
			foreach (TextTemplate.Entry entry in template.Entries) 
				entrylist.Items.Add(entry);
//				entrylist.Items.Add(new ListViewItem(entry.Display ));
			
			
		}
		
	}
}