using System;
using System.Drawing;
using System.Windows.Forms;
using ButtonBarsControl.Control;
using ButtonBarsControl.Design.Enums;
using ButtonBarsControl.Design.Utility;
namespace ButtonBarsControl.Design.Entity
{
/// <summary>
/// Class holding information related to <see cref="ButtonBar.CustomDrawItems"/> event.
/// </summary>
public class DrawItemsEventArgs : EventArgs
{
/// <summary>
/// Initializes a new instance of <see cref="DrawItemEventArgs"/> with supplied arguments.
/// </summary>
/// <param name="ge">Graphics object where drawing will be done</param>
/// <param name="bounds">Bound of <see cref="BarItem"/></param>
/// <param name="item"><see cref="BarItem"/> to draw</param>
/// <param name="state"><see cref="Enums.State"/> or <see cref="BarItem"/></param>
/// <param name="bar"><see cref="ButtonBar"/> control</param>
public DrawItemsEventArgs(Graphics ge, Rectangle bounds, BarItem item, State state, ButtonBar bar)
{
Handeled = false;
Graphics = ge;
Bounds = bounds;
Item = item;
State = state;
Bar = bar;
}
/// <summary>
/// Gets or sets drwaing has been done by user or not.
/// </summary>
public bool Handeled { get; set; }
/// <summary>
/// Gets Graphics surface.
/// </summary>
public Graphics Graphics { get; private set; }
/// <summary>
/// Gets Bounds of <see cref="BarItem"/>
/// </summary>
public Rectangle Bounds { get; private set; }
/// <summary>
/// Gets related <see cref="BarItem"/>
/// </summary>
public BarItem Item { get; private set; }
/// <summary>
/// Gets related <see cref="ButtonBar"/>
/// </summary>
public ButtonBar Bar { get; private set; }
/// <summary>
/// Gets <see cref="Enums.State"/> of <see cref="BarItem"/>
/// </summary>
public State State { get; private set; }
/// <summary>
/// Draws Item Background.
/// </summary>
public void DrawItemBackGround()
{
if (Bounds.Height == 0 || Bounds.Width == 0)
{
return;
}
switch (State)
{
case State.Selected:
PaintUtility.PaintGradientRectangle(Graphics, Bounds,
Item.Appearance.SelectedStyle.IsEmpty
? Bar.CurrentAppearance.Item.SelectedStyle
: Item.Appearance.SelectedStyle);
break;
case State.Disabled:
PaintUtility.PaintGradientRectangle(Graphics, Bounds,
Item.Appearance.DisabledStyle.IsEmpty
? Bar.CurrentAppearance.Item.DisabledStyle
: Item.Appearance.DisabledStyle);
break;
case State.Hover:
PaintUtility.PaintGradientRectangle(Graphics, Bounds,
Item.Appearance.HoverStyle.IsEmpty
? Bar.CurrentAppearance.Item.HoverStyle
: Item.Appearance.HoverStyle);
break;
case State.SelectedHover:
PaintUtility.PaintGradientRectangle(Graphics, Bounds,
Item.Appearance.SelectedHoverStyle.IsEmpty
? Bar.CurrentAppearance.Item.SelectedHoverStyle
: Item.Appearance.SelectedHoverStyle);
break;
case State.Normal:
PaintUtility.PaintGradientRectangle(Graphics, Bounds,
Item.Appearance.BackStyle.IsEmpty
? Bar.CurrentAppearance.Item.BackStyle
: Item.Appearance.BackStyle);
break;
case State.Pressed:
PaintUtility.PaintGradientRectangle(Graphics, Bounds,
Item.Appearance.ClickStyle.IsEmpty
? Bar.CurrentAppearance.Item.ClickStyle
: Item.Appearance.ClickStyle);
break;
}
}
/// <summary>
/// Draws Item Border
/// </summary>
public void DrawItemBorder()
{
if (!Bar.ShowBorders && Item.ShowBorder == ShowBorder.Inherit || Item.ShowBorder == ShowBorder.NotShow)
{
return;
}
switch (State)
{
case State.Selected:
PaintUtility.PaintBorder(Graphics, Bounds,
Item.Appearance.SelectedBorder.IsEmpty
? Bar.CurrentAppearance.Item.SelectedBorder
: Item.Appearance.SelectedBorder);
break;
case State.Disabled:
PaintUtility.PaintBorder(Graphics, Bounds,
Item.Appearance.DisabledBorder.IsEmpty
? Bar.CurrentAppearance.Item.DisabledBorder
: Item.Appearance.DisabledBorder);
break;
case State.Hover:
PaintUtility.PaintBorder(Graphics, Bounds,
Item.Appearance.HoverBorder.IsEmpty
? Bar.CurrentAppearance.Item.HoverBorder
: Item.Appearance.HoverBorder);
break;
case State.SelectedHover:
PaintUtility.PaintBorder(Graphics, Bounds,
Item.Appearance.HoverBorder.IsEmpty
? Bar.CurrentAppearance.Item.HoverBorder
: Item.Appearance.HoverBorder);
break;
case State.Normal:
PaintUtility.PaintBorder(Graphics, Bounds,
Item.Appearance.NormalBorder.IsEmpty
? Bar.CurrentAppearance.Item.NormalBorder
: Item.Appearance.NormalBorder);
break;
case State.Pressed:
PaintUtility.PaintBorder(Graphics, Bounds,
Item.Appearance.SelectedBorder.IsEmpty
? Bar.CurrentAppearance.Item.SelectedBorder
: Item.Appearance.SelectedBorder);
break;
}
}
/// <summary>
/// Draw related icon if any.
/// </summary>
public void DrawIcon()
{
ImageAlignment alignment = Item.ImageAlignment == ItemImageAlignment.Inherit
? Bar.ImageAlignment
: ((ImageAlignment) ((int) Item.ImageAlignment));
var b = new Rectangle(Bounds.Location, Bounds.Size);
var iconSize = Size.Empty;
if (Bar.ImageList != null && Item.ImageIndex >= 0 && Item.ImageIndex < Bar.ImageList.Images.Count)
{
iconSize = Bar.ImageList.ImageSize;
}
b.Inflate(-2, -2);
var iconRect = new Rectangle(0, 0,
iconSize.Width, iconSize.Height);
if (alignment == ImageAlignment.Top || alignment == ImageAlignment.Bottom)
iconRect.X = b.X + (b.Width - iconSize.Width)/2;
else if (alignment == ImageAlignment.Left)
iconRect.X = b.X;
else
iconRect.X = b.X + b.Width - iconSize.Width;
if (alignment == ImageAlignment.Top)
iconRect.Y = b.Y;
else if (alignment == ImageAlignment.Bottom)
iconRect.Y = b.Y + b.Height - iconSize.Height;
else if (alignment == ImageAlignment.Right || alignment == ImageAlignment.Left)
iconRect.Y = b.Y + (b.Height - iconSize.Height)/2;
if (State == State.Pressed)
{
iconRect.Offset(1, 1);
}
if (Bar.ImageList != null && Item.ImageIndex >= 0 && Item.ImageIndex < Bar.ImageList.Images.Count)
{
if (Item.Enabled)
{
Graphics.DrawImage(Bar.ImageList.Images[Item.ImageIndex], iconRect.X, iconRect.Y);
}
else
{
ControlPaint.DrawImageDisabled(Graphics, Bar.ImageList.Images[Item.ImageIndex], iconRect.X,
iconRect.Y, Bar.BackColor);
}
}
}
/// <summary>
/// Draw Caption of <see cref="BarItem"/>
/// </summary>
public void DrawItemText()
{
ImageAlignment alignment = Item.ImageAlignment == ItemImageAlignment.Inherit
? Bar.ImageAlignment
: ((ImageAlignment) ((int) Item.ImageAlignment));
var b = new Rectangle(Bounds.Location, Bounds.Size);
var iconSize = Size.Empty;
if (Bar.ImageList != null && Item.ImageIndex >= 0 && Item.ImageIndex < Bar.ImageList.Images.Count)
{
iconSize = Bar.ImageList.ImageSize;
}
int iW = (!iconSize.IsEmpty && (alignment == ImageAlignment.Left || alignment == ImageAlignment.Right)
? iconSize.Width
: 0);
int iH = (!iconSize.IsEmpty && (alignment == ImageAlignment.Bottom || alignment == ImageAlignment.Top)
? iconSize.Height
: 0);
var textRect = new Rectangle(0, 0,
Bounds.Width - iW - 1, Bounds.Height - iH - 2);
if (alignment == ImageAlignment.Top || alignment == ImageAlignment.Bottom)
textRect.X = b.X;
else if (alignment == ImageAlignment.Left)
textRect.X = b.X + iW;
else
textRect.X = Bounds.X;
if (alignment == ImageAlignment.Bottom || alignment == ImageAlignment.Right)
textRect.Y = b.Y;
else if (alignment == ImageAlignment.Top)
textRect.Y = b.Y + iH;
else if (alignment == ImageAlignment.Left)
textRect.Y = b.Y;
string itemText = Item.Caption;
var c = Color.Empty;
switch (State)
{
case State.Selected:
c = Item.Appearance.SelectedForeGround.IsEmpty
? Bar.CurrentAppearance.Item.SelectedForeGround
: Item.Appearance.SelectedForeGround;
break;
case State.Disabled:
c = Item.Appearance.DisabledForeGround.IsEmpty
? Bar.CurrentAppearance.Item.DisabledForeGround
: Item.Appearance.DisabledForeGround;
break;
case State.Hover:
c = Item.Appearance.HoverForeGround.IsEmpty
? Bar.CurrentAppearance.Item.HoverForeGround
: Item.Appearance.HoverForeGround;
break;
case State.SelectedHover:
c = Item.Appearance.HoverForeGround.IsEmpty
? Bar.CurrentAppearance.Item.HoverForeGround
: Item.Appearance.HoverForeGround;
break;
case State.Normal:
c = Item.Appearance.NormalForeGround.IsEmpty
? Bar.CurrentAppearance.Item.NormalForeGround
: Item.Appearance.NormalForeGround;
break;
case State.Pressed:
c = Item.Appearance.SelectedForeGround.IsEmpty
? Bar.CurrentAppearance.Item.SelectedForeGround
: Item.Appearance.SelectedForeGround;
break;
}
PaintUtility.DrawString(Graphics, textRect, itemText,
Item.Appearance.AppearenceText.IsEmpty
? Bar.CurrentAppearance.Item.AppearenceText
: Item.Appearance.AppearenceText, Bar.UseMnemonic, c);
}
}
}
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