public FrmNodePreviewPanel(Type stNodeType, Point ptHandle, int nHandleSize, bool bRight, STNodeEditor editor, STNodePropertyGrid propertyGrid)
{
this.SetStyle(ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.ResizeRedraw, true);
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
if (m_last_frm != null)
{
m_last_frm.Close();
}
m_last_frm = this;
m_editor = editor;
m_property = propertyGrid;
m_editor.Size = new Size(200, 200);
m_property.Size = new Size(200, 200);
m_editor.Location = new Point(1 + (bRight ? nHandleSize : 0), 1);
m_property.Location = new Point(m_editor.Right, 1);
m_property.InfoFirstOnDraw = true;
this.Controls.Add(m_editor);
this.Controls.Add(m_property);
this.ShowInTaskbar = false;
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.Size = new Size(402 + nHandleSize, 202);
m_type = stNodeType;
m_ptHandle = ptHandle;
m_nHandleSize = nHandleSize;
m_bRight = bRight;
this.AutoBorderColor = true;
this.BorderColor = Color.DodgerBlue;
}
protected override void OnClosing(CancelEventArgs e)
{
base.OnClosing(e);
this.Controls.Clear();
m_editor.Nodes.Clear();
m_editor.MouseLeave -= Event_MouseLeave;
m_property.MouseLeave -= Event_MouseLeave;
m_last_frm = null;
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
m_node = (STNode)Activator.CreateInstance(m_type);
m_node.Left = 20; m_node.Top = 20;
m_editor.Nodes.Add(m_node);
m_property.SetNode(m_node);
m_rect_panel = new Rectangle(0, 0, 402, 202);
m_rect_handle = new Rectangle(m_ptHandle.X, m_ptHandle.Y, m_nHandleSize, m_nHandleSize);
m_rect_exclude = new Rectangle(0, m_nHandleSize, m_nHandleSize, this.Height - m_nHandleSize);
if (m_bRight)
{
this.Left = m_ptHandle.X;
m_rect_panel.X = m_ptHandle.X + m_nHandleSize;
}
else
{
this.Left = m_ptHandle.X - this.Width + m_nHandleSize;
m_rect_exclude.X = this.Width - m_nHandleSize;
m_rect_panel.X = this.Left;
}
if (m_ptHandle.Y + this.Height > Screen.GetWorkingArea(this).Bottom)
{
this.Top = m_ptHandle.Y - this.Height + m_nHandleSize;
m_rect_exclude.Y -= m_nHandleSize;
}
else
{
this.Top = m_ptHandle.Y;
}
m_rect_panel.Y = this.Top;
m_region = new Region(new Rectangle(Point.Empty, this.Size));
m_region.Exclude(m_rect_exclude);
using (Graphics g = this.CreateGraphics()) {
IntPtr h = m_region.GetHrgn(g);
FrmNodePreviewPanel.SetWindowRgn(this.Handle, h, false);
m_region.ReleaseHrgn(h);
}
this.MouseLeave += Event_MouseLeave;
m_editor.MouseLeave += Event_MouseLeave;
m_property.MouseLeave += Event_MouseLeave;
this.BeginInvoke(new MethodInvoker(() => {
m_property.Focus();
}));
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
this.Focus();
if (!string.IsNullOrEmpty(m_str_search) && m_rect_clear.Contains(e.Location))
{
m_tbx.Text = string.Empty;
return;
}
m_pt_offsety = m_pt_control = e.Location;
m_pt_offsety.Y -= m_nOffsetY;
if (m_item_hover == null)
{
return;
}
if (m_item_hover.SwitchRectangle.Contains(m_pt_offsety))
{
m_item_hover.IsOpen = !m_item_hover.IsOpen;
this.Invalidate();
}
else if (m_item_hover.InfoRectangle.Contains(m_pt_offsety))
{
Rectangle rect = this.RectangleToScreen(m_item_hover.DisplayRectangle);
FrmNodePreviewPanel frm = new FrmNodePreviewPanel(m_item_hover.STNodeType,
new Point(rect.Right - m_nItemHeight, rect.Top + m_nOffsetY),
m_nItemHeight,
this._InfoPanelIsLeftLayout,
this._Editor, this._PropertyGrid);
frm.BackColor = this.BackColor;
frm.Show(this);
}
else if (m_item_hover.STNodeType != null)
{
DataObject d = new DataObject("STNodeType", m_item_hover.STNodeType);
this.DoDragDrop(d, DragDropEffects.Copy);
}
}
