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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2004 Novell, Inc. (http://www.novell.com)
//
// Author:
// Ravindra (rkumar@novell.com)
//
// COMPLETE
using System.ComponentModel;
using System.Drawing;
namespace System.Windows.Forms
{
[DefaultProperty ("Text")]
[DesignTimeVisible (false)]
[ToolboxItem (false)]
public class ColumnHeader : Component, ICloneable
{
#region Instance Variables
private StringFormat format = new StringFormat ();
private string text = "ColumnHeader";
private HorizontalAlignment text_alignment = HorizontalAlignment.Left;
private int width = ThemeEngine.Current.ListViewDefaultColumnWidth;
// internal variables
internal Rectangle column_rect = Rectangle.Empty;
internal bool pressed = false;
internal ListView owner;
#endregion // Instance Variables
#region Internal Constructor
internal ColumnHeader (ListView owner, string text,
HorizontalAlignment alignment, int width)
{
this.owner = owner;
this.text = text;
this.width = width;
this.text_alignment = alignment;
CalcColumnHeader ();
}
#endregion // Internal Constructor
#region Public Constructors
public ColumnHeader () { }
#endregion // Public Constructors
#region Private Internal Methods Properties
// Since this class inherits from MarshalByRef,
// we can't do ColumnHeader.column_rect.XXX. Hence,
// we have some of the following properties to work around CS0197.
internal bool Pressed {
get { return this.pressed; }
}
internal int X {
get { return this.column_rect.X; }
set { this.column_rect.X = value; }
}
internal int Y {
get { return this.column_rect.Y; }
set { this.column_rect.Y = value; }
}
internal int Wd {
get { return this.column_rect.Width; }
set { this.column_rect.Width = value; }
}
internal int Ht {
get { return this.column_rect.Height; }
set { this.column_rect.Height = value; }
}
internal Rectangle Rect {
get { return this.column_rect; }
}
internal StringFormat Format {
get { return this.format; }
}
internal void CalcColumnHeader ()
{
if (text_alignment == HorizontalAlignment.Center)
format.Alignment = StringAlignment.Center;
else if (text_alignment == HorizontalAlignment.Right)
format.Alignment = StringAlignment.Far;
else
format.Alignment = StringAlignment.Near;
format.LineAlignment = StringAlignment.Center;
format.Trimming = StringTrimming.EllipsisWord;
// text is wrappable only in LargeIcon and SmallIcon views
format.FormatFlags = StringFormatFlags.NoWrap;
if (width >= 0) {
this.column_rect.Width = width;
if (owner != null)
this.column_rect.Height = owner.Font.Height + 5 ;
else
this.column_rect.Height = ThemeEngine.Current.DefaultFont.Height + 5;
}
else if (this.Index != -1)
this.column_rect.Size = owner.GetChildColumnSize (this.Index);
else
this.column_rect.Size = Size.Empty;
}
#endregion // Private Internal Methods Properties
#region Public Instance Properties
[Browsable (false)]
public int Index {
get {
if (owner != null && owner.Columns != null
&& owner.Columns.Contains (this)) {
return owner.Columns.IndexOf (this);
}
return -1;
}
}
[Browsable (false)]
public ListView ListView {
get { return owner; }
}
[Localizable (true)]
public string Text {
get { return text; }
set {
text = value;
if (owner != null)
owner.Redraw (true);
}
}
[DefaultValue (HorizontalAlignment.Left)]
[Localizable (true)]
public HorizontalAlignment TextAlign {
get { return text_alignment; }
set {
text_alignment = value;
if (owner != null)
owner.Redraw (true);
}
}
[DefaultValue (60)]
[Localizable (true)]
public int Width {
get { return width; }
set {
width = value;
if (owner != null)
owner.Redraw (true);
}
}
#endregion // Public Instance Properties
#region Public Methods
public virtual object Clone ()
{
ColumnHeader columnHeader = new ColumnHeader ();
columnHeader.text = text;
columnHeader.text_alignment = text_alignment;
columnHeader.width = width;
columnHeader.owner = owner;
columnHeader.format = (StringFormat) Format.Clone ();
columnHeader.column_rect = Rectangle.Empty;
return columnHeader;
}
public override string ToString ()
{
return string.Format ("ColumnHeader: Text: {0}", text);
}
#endregion // Public Methods
#region Protected Methods
protected override void Dispose (bool disposing)
{
base.Dispose (disposing);
}
#endregion // Protected Methods
}
}
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