protected override void OnMouseClick(MouseEventArgs e)
{
base.OnMouseClick(e);
if (_vScroll.IsMouseDown)
{
return;
}
if (Adapter == null)
{
return;
}
int p = 0;
int count = Adapter.GetItemCount();
for (int i = 0; i < count; i++)
{
ViewHolder holder = Adapter.OnCreateViewHolder(this, -_vScroll.Value, i);
//if (holder.MouseState == Emuns.MouseState.MouseSelected)
// continue;
if (holder.Bounds.Contains(e.Location))
{
holder.MouseState = Emuns.MouseState.MouseSelected;
p = i;
}
else
{
holder.MouseState = Emuns.MouseState.None;
}
}
SelectedIndex = p;
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (DesignMode)
{
return;
}
if (e.Button == MouseButtons.Left)
{
_clickViewHolder = FindPointView(e.Location);
_animationManager.StartNewAnimation(e.Location, _clickViewHolder.Bounds);
}
}
/// <summary>
/// 绘制行
/// </summary>
/// <param name="g"></param>
private void DrawColumn(Graphics g)
{
if (adapter == null || adapter.GetCount() == 0)
{
VirtualWidth = 0;
return;
}
int y = 0;
for (int i = 0; i < adapter.GetCount(); i++)
{
ViewHolder holder = null;
if (Rows.Count > i)
{
holder = Rows[i];
holder.position = i;
holder.bounds.X = 1;
holder.bounds.Y = y;
holder.bounds.Width = this.Width - 2;
holder.bounds.Height = adapter.GetRowHeight(i);
}
else
{
Rectangle rect = new Rectangle(1, y, this.Width - 2, adapter.GetRowHeight(i));
holder = new ViewHolder(rect);
holder.position = i;
Rows.Add(holder);
}
holder.isMouseClick = false;
holder.isMouseMove = false;
holder.MouseLocation = Point.Empty;
if (SelectHolder == holder)
{
holder.isMouseClick = true;
holder.MouseLocation = SelectHolder.MouseLocation;
}
else if (MouseHolder == holder)
{
holder.isMouseMove = true;
}
adapter.GetView(i, holder, g);
y += holder.bounds.Height + itemDivider;
VirtualWidth = holder.bounds.Width;
}
VirtualHeight = y;
if (listHScroll.Visible)
{
VirtualHeight += listHScroll.Height;
}
}
private ViewHolder FindPointView(Point point)
{
int count = Adapter.GetItemCount();
for (int i = 0; i < count; i++)
{
ViewHolder viewHolder = Adapter.OnCreateViewHolder(this, -_vScroll.Value, i);
if (viewHolder.Bounds.Contains(point))
{
return(viewHolder);
}
}
return(null);
}
public override ViewHolder OnCreateViewHolder(Control control, int offset, int position)
{
ViewHolder viewHolder = GetViewHolder(position);
y = position * ItemHeight;
if (viewHolder == null)
{
viewHolder = new ViewHolder(control, new Rectangle(x, y + offset, control.Width, ItemHeight), position);
CacheViewHolder(viewHolder);//缓存 ViewHolder
}
else
{
viewHolder.Bounds = new Rectangle(x, y + offset, control.Width, ItemHeight);
}
return(viewHolder);
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (Adapter == null)
{
return;
}
VirtualHeight = 0;
VirtualWidth = 0;
if (_animationManager.IsAnimating() && _clickViewHolder != null)
{
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
Color bg = BackColor.TakeBackColor();//取相反色
using (SolidBrush hrush = new SolidBrush(Color.FromArgb(50, bg)))
{
float animationValue = (float)_animationManager.GetProgress();
float x = _animationManager.GetMouseDown().X - animationValue / 2;
float y = _animationManager.GetMouseDown().Y - animationValue / 2;
RectangleF rect = new RectangleF(x, y, animationValue, animationValue);
e.Graphics.FillEllipse(hrush, rect);
}
e.Graphics.SmoothingMode = SmoothingMode.Default;
}
int count = Adapter.GetItemCount();
for (int i = 0; i < count; i++)
{
ViewHolder viewHolder = Adapter.OnCreateViewHolder(this, -_vScroll.Value, i);
VirtualHeight += viewHolder.Bounds.Height;
VirtualWidth += viewHolder.Bounds.Width;
if (viewHolder.Bounds.Bottom >= 0 && viewHolder.Bounds.Y <= this.Height)
{
Adapter.OnDrawItem(e.Graphics, viewHolder, i);
}
}
_vScroll.VirtualHeight = VirtualHeight; //绘制完成计算虚拟高度决定是否绘制滚动条
if (_MouseVisible && _vScroll.Visible) //是否绘制滚动条
{
_vScroll.ReDrawScroll(e.Graphics);
}
}
protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
_MouseVisible = false;
int count = Adapter.GetItemCount();
for (int i = 0; i < count; i++)
{
ViewHolder viewHolder = Adapter.OnCreateViewHolder(this, -_vScroll.Value, i);
if (viewHolder.MouseState == Emuns.MouseState.MouseSelected)
{
continue;
}
viewHolder.MouseState = Emuns.MouseState.None;
}
this.Invalidate();
}
/// <summary>
/// 绘制行
/// </summary>
/// <param name="g"></param>
private void DrawColumn(Graphics g)
{
if (adapter == null || adapter.GetCount() == 0)
{
return;
}
//Rows.Clear();
g.TranslateClip(0, columnHeight);//平移 绕过 标题
int y = headerHeight;
for (int i = 0; i < adapter.GetCount(); i++)
{
ViewHolder holder = null;
if (Rows.Count > i)
{
holder = Rows[i];
}
else
{
Rectangle rect = new Rectangle(1, y, VirtualWidth, columnHeight);
holder = new ViewHolder(rect);
holder.position = i;
Rows.Add(holder);
}
holder.isMouseClick = false;
holder.isMouseMove = false;
if (selectHolder == holder)
{
holder.isMouseClick = true;
}
else if (m_mouseHolder == holder)
{
holder.isMouseMove = true;
}
adapter.GetView(i, holder, g);
y += columnHeight;
}
g.TranslateClip(0, -columnHeight);
VirtualHeight = y;
if (listHScroll.Visible)
{
VirtualHeight += listHScroll.Height;
}
}
protected override void OnMouseClick(MouseEventArgs e)
{
foreach (ViewHolder item in Rows)
{
if (item.bounds.Contains(m_ptMousePos))
{
if (item == selectHolder)
{
break;
}
selectHolder = item;
this.Invalidate();
OnItemClick(new ItemClickEventArgs(item));
break;
}
}
base.OnMouseClick(e);
}
/// <summary>
/// 绘制行
/// </summary>
/// <param name="g"></param>
private void DrawColumn(Graphics g)
{
if (adapter == null || adapter.GetCount() == 0)
{
return;
}
int y = 0;
for (int i = 0; i < adapter.GetCount(); i++)
{
ViewHolder holder = null;
if (Rows.Count > i)
{
holder = Rows[i];
}
else
{
Rectangle rect = new Rectangle(1, y, this.Width - 2, 50);
holder = new ViewHolder(rect);
holder.position = i;
Rows.Add(holder);
}
holder.isMouseClick = false;
holder.isMouseMove = false;
if (selectHolder == holder)
{
holder.isMouseClick = true;
}
else if (m_mouseHolder == holder)
{
holder.isMouseMove = true;
}
adapter.GetView(i, holder, g);
y += holder.bounds.Height;
VirtualWidth = holder.bounds.Width;
}
VirtualHeight = y;
if (listHScroll.Visible)
{
VirtualHeight += listHScroll.Height;
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (_vScroll.IsMouseDown)
{
return;
}
if (_animationManager.IsAnimating())
{
return;
}
if (Adapter == null)
{
return;
}
int count = Adapter.GetItemCount();
int t = 0;
for (int i = 0; i < count; i++)
{
ViewHolder holder = Adapter.OnCreateViewHolder(this, -_vScroll.Value, i);
if (holder.MouseState == Emuns.MouseState.MouseSelected)
{
continue;
}
if (holder.Bounds.Contains(e.Location))
{
holder.MouseState = Emuns.MouseState.MouseMove;
t = i;
}
else
{
holder.MouseState = Emuns.MouseState.None;
}
}
if (_MoveHolderIndex == t)
{
return;
}
this.Invalidate();
}
private void DrawBackColor(Graphics g, ViewHolder holder)
{
if (!holder.isMouseMove && !holder.isMouseClick)
{
return;
}
using (SolidBrush sb = new SolidBrush(SelectedBackColor))
{
Rectangle newRec = holder.bounds;
newRec.Width -= 1;
newRec.Height -= 1;
newRec.X += 1;
newRec.Y += 1;
if (holder.isMouseMove)
{
sb.Color = MouseMoveBackColor;
}
g.FillRectangle(sb, newRec);
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
m_ptMousePos = e.Location;
m_ptMousePos.Y += chatVScroll.Value;
//判断鼠标是否在行中
foreach (ViewHolder item in Rows)
{
if (item.bounds.Contains(m_ptMousePos))
{
if (item == m_mouseHolder)
{
break;
}
m_mouseHolder = item;
this.Invalidate();
break;
}
}
base.OnMouseMove(e);
}
public abstract void GetView(int position, ViewHolder holder, Graphics g);
public override void GetView(int position, ViewHolder holder, Graphics g)
{
FTable owner = this.owner as FTable;
string[] array = items[position];
holder.UserData = array;
DrawBackColor(g, holder);
StringFormat StringFormat = StringFormat.GenericDefault;
StringFormat.Alignment = StringAlignment.Center;
StringFormat.LineAlignment = StringAlignment.Center;
Pen p = new Pen(new SolidBrush(Color.FromArgb(70, 70, 70)), 1);
switch (owner.CellBorderStyle)
{
case CellBorderStyle.None:
break;
case CellBorderStyle.FixedSingle:
p.DashStyle = System.Drawing.Drawing2D.DashStyle.Solid;
break;
case CellBorderStyle.Dot:
p.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;
break;
default:
break;
}
int i = 0;
foreach (TableColumn item in owner.Columns)
{
if (!item.Visible)
{
continue;
}
Rectangle MyRect = new Rectangle(item.Location.X, holder.bounds.Y, item.Width, holder.bounds.Height);
SolidBrush sb = new SolidBrush(item.ForeColor);
switch (item.TextAlign)
{
case HorizontalAlignment.Left:
StringFormat.Alignment = StringAlignment.Far;
break;
case HorizontalAlignment.Right:
StringFormat.Alignment = StringAlignment.Near;
break;
}
string value = (array.Length > i) ? array[i] : "";
if (!string.IsNullOrEmpty(item.BindingData))
{
int pos = 0;
int.TryParse(item.BindingData, out pos);
value = (array.Length > pos) ? array[pos] : "";
}
g.DrawString(value, item.Font, sb, MyRect, StringFormat);
if (owner.CellBorderStyle != CellBorderStyle.None)
{
//竖线
g.DrawLine(p, MyRect.X + item.Width, MyRect.Y, MyRect.X + item.Width, MyRect.Y + holder.bounds.Height);
}
i++;
}
g.DrawLine(p, 0, holder.bounds.Y + holder.bounds.Height, holder.bounds.Width, holder.bounds.Y + holder.bounds.Height);
}
public void CacheViewHolder(ViewHolder viewHolder)
{
holdersList.Add(viewHolder);
}
public override void OnDrawItem(Graphics g, ViewHolder viewHolder, int position)
{
throw new NotImplementedException();
}
