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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ShiftOS
{
public partial class ProgressBarEX : UserControl
{
public ProgressBarEX()
{
InitializeComponent();
}
#region " Properties "
private string _label = "Progress:";
private bool show_label = false;
public string Label
{
get
{
return _label;
}
set
{
_label = value;
this.Invalidate();
}
}
public bool ShowLabel
{
get
{
return show_label;
}
set
{
show_label = value;
this.Invalidate();
}
}
private int _Value = 0;
public int Value
{
get { return _Value; }
set
{
if (value >= this.MinValue & value <= this.MaxValue)
{
_Value = value;
this.Invalidate();
}
else {
throw new ArgumentOutOfRangeException("The value must be between the minimum and maximum values.");
}
}
}
private int _Step = 10;
public int Step
{
get { return _Step; }
set { _Step = value; }
}
private ProgressBarOrientation _Orientation;
public ProgressBarOrientation Orientation
{
get { return _Orientation; }
set { _Orientation = value; }
}
private int _MinValue = 0;
public int MinValue
{
get { return _MinValue; }
set
{
if (value < this.MaxValue)
{
_MinValue = value;
}
else {
throw new ArgumentOutOfRangeException("The minimum value must be less than the maximum value.");
}
}
}
private int _MaxValue = 100;
public int MaxValue
{
get { return _MaxValue; }
set
{
if (value > this.MinValue)
{
_MaxValue = value;
}
else {
throw new ArgumentOutOfRangeException("The maximum value must be more than the minimum value.");
}
}
}
private Color _Color = Color.Lime;
public Color Color
{
get { return _Color; }
set { _Color = value; }
}
private bool _ShowValue = true;
public bool ShowValue
{
get { return _ShowValue; }
set { _ShowValue = value; }
}
private ProgressBarExStyle _Style;
public ProgressBarExStyle Style
{
get { return _Style; }
set { _Style = value; }
}
private int _BlockWidth = 5;
public int BlockWidth
{
get { return _BlockWidth; }
set { _BlockWidth = value; }
}
private int _BlockSeparation = 3;
public int BlockSeparation
{
get { return _BlockSeparation; }
set { _BlockSeparation = value; }
}
#endregion
#region " Enums, Variables "
public enum ProgressBarOrientation
{
Horizontal = 0,
Vertical = 1
}
public enum ProgressBarExStyle
{
Blocks = 0,
Continuous = 1,
Marquee = 2
}
#endregion
#region " Events "
public event PaintBackgroundEventHandler PaintBackground;
public delegate void PaintBackgroundEventHandler(object sender, PaintEventArgs e);
public event PaintProcessEventHandler PaintProcess;
public delegate void PaintProcessEventHandler(object sender, ProgressBarProcessPaintEventArgs e);
public class ProgressBarProcessPaintEventArgs : EventArgs
{
public ProgressBarProcessPaintEventArgs(Rectangle bounds, Graphics g, Rectangle[] blocks = null)
{
_Bounds = bounds;
_Graphics = g;
if (blocks == null)
{
_Blocks = new Rectangle[] {
};
}
else {
_Blocks = blocks;
}
}
private Rectangle _Bounds;
public Rectangle Bounds
{
get { return _Bounds; }
}
private Rectangle[] _Blocks;
public Rectangle[] Blocks
{
get { return _Blocks; }
}
private Graphics _Graphics;
public Graphics Graphics
{
get { return _Graphics; }
}
}
#endregion
#region " Methods "
public void PerformStep()
{
if (this.Step > 0)
{
this.Value = Math.Min(this.Value + this.Step, this.MaxValue);
}
else {
this.Value = Math.Max(this.Value + this.Step, this.MinValue);
}
}
public void Increment(int value)
{
if (value > 0)
{
this.Value = Math.Min(this.Value + value, this.MaxValue);
}
else {
this.Value = Math.Max(this.Value + value, this.MinValue);
}
}
#endregion
#region " Process Logic "
private Rectangle GetProcessRect()
{
int w = this.Width;
int h = this.Height;
int valRel = GetRelativeValue();
return new Rectangle(0, 0, w * valRel / 100, h);
}
private Rectangle[] GetBlocks()
{
List<Rectangle> b = new List<Rectangle>();
int w = this.BlockWidth;
int h = this.Height;
Rectangle r;
int x = 0;
int stopX = (int)(GetRelativeValue() / 100) * this.Width;
while ((x + w <= stopX))
{
r = new Rectangle(x, 0, w, h);
b.Add(r);
x += this.BlockWidth + this.BlockSeparation;
}
return b.ToArray();
}
private int GetRelativeValue()
{
return (int)100 * this.Value / (this.MaxValue - this.MinValue);
}
#endregion
#region " Drawing "
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
base.OnPaint(e);
DoPaintBackground(e.Graphics);
DoPaintProcess(e.Graphics);
if (this.ShowValue)
DoPaintValue(e.Graphics);
}
private void DoPaintBackground(Graphics g)
{
if (PaintBackground != null)
{
PaintBackground(this, new PaintEventArgs(g, this.ClientRectangle));
}
}
private void DoPaintProcess(Graphics g)
{
Rectangle rect = GetProcessRect();
Rectangle[] blocks = GetBlocks();
using (SolidBrush brush = new SolidBrush(this.Color))
{
if (this.Style == ProgressBarExStyle.Continuous)
{
g.FillRectangle(brush, rect);
}
else if (this.Style == ProgressBarExStyle.Blocks)
{
foreach (Rectangle b in blocks)
{
g.FillRectangle(brush, b);
}
}
}
ProgressBarProcessPaintEventArgs e = new ProgressBarProcessPaintEventArgs(rect, g, blocks);
if (PaintProcess != null)
{
PaintProcess(this, e);
}
}
private void DoPaintValue(Graphics g)
{
string valStr = GetRelativeValue().ToString() + "%";
if (show_label)
valStr = _label + " " + valStr;
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
SizeF s = g.MeasureString(valStr, this.Font);
g.DrawString(valStr, this.Font, new SolidBrush(this.ForeColor), (this.Width - s.Width) / 2, (this.Height - s.Height) / 2);
}
#endregion
}
}
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