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using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Data;
using System.Windows.Forms;
using System.ComponentModel.Design;
using Demo.WindowsForms.Properties;
namespace BSE.Windows.Forms
{
#region Class XPanderPanel
/// <summary>
/// Used to group collections of controls.
/// </summary>
/// <remarks>
/// XPanderPanel controls represent the expandable and collapsable panels in XPanderPanelList.
/// The XpanderPanel is a control that contains other controls.
/// You can use a XPanderPanel to group collections of controls such as the XPanderPanelList.
/// The order of xpanderpanels in the XPanderPanelList.XPanderPanels collection reflects the order
/// of xpanderpanels controls. To change the order of tabs in the control, you must change
/// their positions in the collection by removing them and inserting them at new indexes.
/// You can change the xpanderpanel's appearance. For example, to make it appear flat,
/// set the CaptionStyle property to CaptionStyle.Flat.
/// On top of the XPanderPanel there is the captionbar.
/// This captionbar may contain an image and text. According to it's properties the panel is closable.
/// </remarks>
/// <copyright>Copyright © 2006-2008 Uwe Eichkorn
/// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
/// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
/// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
/// PURPOSE. IT CAN BE DISTRIBUTED FREE OF CHARGE AS LONG AS THIS HEADER
/// REMAINS UNCHANGED.
/// </copyright>
[Designer(typeof(XPanderPanelDesigner))]
[DesignTimeVisible(false)]
public partial class XPanderPanel : BasePanel
{
#region EventsPublic
/// <summary>
/// The CaptionStyleChanged event occurs when CaptionStyle flags have been changed.
/// </summary>
[Description("The CaptionStyleChanged event occurs when CaptionStyle flags have been changed.")]
public event EventHandler<EventArgs> CaptionStyleChanged;
#endregion
#region Constants
#endregion
#region FieldsPrivate
private System.Drawing.Image m_imageChevron;
private System.Drawing.Image m_imageChevronUp;
private System.Drawing.Image m_imageChevronDown;
private CustomXPanderPanelColors m_customColors;
private System.Drawing.Image m_imageClosePanel;
private bool m_bIsClosable = true;
private CaptionStyle m_captionStyle;
#endregion
#region Properties
/// <summary>
/// Gets or sets a value indicating whether the expand icon in a XPanderPanel is visible.
/// </summary>
[Description("Gets or sets a value indicating whether the expand icon in a XPanderPanel is visible.")]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
[DefaultValue(false)]
[Browsable(false)]
[Category("Appearance")]
public override bool ShowExpandIcon
{
get
{
return base.ShowExpandIcon;
}
set
{
base.ShowExpandIcon = value;
}
}
/// <summary>
/// Gets or sets a value indicating whether the close icon in a XPanderPanel is visible.
/// </summary>
[Description("Gets or sets a value indicating whether the close icon in a XPanderPanel is visible.")]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
[DefaultValue(false)]
[Browsable(false)]
[Category("Appearance")]
public override bool ShowCloseIcon
{
get
{
return base.ShowCloseIcon;
}
set
{
base.ShowCloseIcon = value;
}
}
/// <summary>
/// Gets the custom colors which are used for the XPanderPanel.
/// </summary>
[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
[Description("The custom colors which are used for the XPanderPanel.")]
[Category("Appearance")]
public CustomXPanderPanelColors CustomColors
{
get
{
return this.m_customColors;
}
}
/// <summary>
/// Gets or sets the style of the caption (not for PanelStyle.Aqua).
/// </summary>
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
[Browsable(false)]
public CaptionStyle CaptionStyle
{
get
{
return this.m_captionStyle;
}
set
{
if(value.Equals(this.m_captionStyle) == false)
{
this.m_captionStyle = value;
OnCaptionStyleChanged(this, EventArgs.Empty);
}
}
}
/// <summary>
/// Gets or sets a value indicating whether this XPanderPanel is closable.
/// </summary>
[Description("Gets or sets a value indicating whether this XPanderPanel is closable.")]
[DefaultValue(true)]
[Category("Appearance")]
public bool IsClosable
{
get
{
return this.m_bIsClosable;
}
set
{
if(value.Equals(this.m_bIsClosable) == false)
{
this.m_bIsClosable = value;
this.Invalidate(false);
}
}
}
/// <summary>
/// Gets or sets the height and width of the XPanderPanel.
/// </summary>
[Browsable(false)]
public new Size Size
{
get
{
return base.Size;
}
set
{
base.Size = value;
}
}
#endregion
#region MethodsPublic
/// <summary>
/// Initializes a new instance of the XPanderPanel class.
/// </summary>
public XPanderPanel()
{
InitializeComponent();
this.BackColor = Color.Transparent;
this.CaptionStyle = CaptionStyle.Normal;
this.ForeColor = SystemColors.ControlText;
this.Height = this.CaptionHeight;
this.ShowBorder = true;
this.m_customColors = new CustomXPanderPanelColors();
this.m_customColors.CustomColorsChanged += OnCustomColorsChanged;
}
/// <summary>
/// Gets the rectangle that represents the display area of the XPanderPanel.
/// </summary>
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public override Rectangle DisplayRectangle
{
get
{
Padding padding = this.Padding;
Rectangle displayRectangle = new Rectangle(
padding.Left + Constants.BorderThickness,
padding.Top + this.CaptionHeight,
this.ClientRectangle.Width - padding.Left - padding.Right - (2 * Constants.BorderThickness),
this.ClientRectangle.Height - this.CaptionHeight - padding.Top - padding.Bottom);
if(this.Controls.Count > 0)
{
XPanderPanelList xpanderPanelList = this.Controls[0] as XPanderPanelList;
if((xpanderPanelList != null) && (xpanderPanelList.Dock == DockStyle.Fill))
{
displayRectangle = new Rectangle(
padding.Left,
padding.Top + this.CaptionHeight,
this.ClientRectangle.Width - padding.Left - padding.Right,
this.ClientRectangle.Height - this.CaptionHeight - padding.Top - padding.Bottom - Constants.BorderThickness);
}
}
return displayRectangle;
}
}
#endregion
#region MethodsProtected
/// <summary>
/// Paints the background of the control.
/// </summary>
/// <param name="pevent">A PaintEventArgs that contains information about the control to paint.</param>
protected override void OnPaintBackground(PaintEventArgs pevent)
{
base.OnPaintBackground(pevent);
base.BackColor = Color.Transparent;
Color backColor = this.PanelColors.XPanderPanelBackColor;
if((backColor != Color.Empty) && backColor != Color.Transparent)
{
Rectangle rectangle = new Rectangle(
0,
this.CaptionHeight,
this.ClientRectangle.Width,
this.ClientRectangle.Height - this.CaptionHeight);
using(SolidBrush backgroundBrush = new SolidBrush(backColor))
{
pevent.Graphics.FillRectangle(backgroundBrush, rectangle);
}
}
}
/// <summary>
/// Raises the Paint event.
/// </summary>
/// <param name="e">A PaintEventArgs that contains the event data.</param>
protected override void OnPaint(PaintEventArgs e)
{
if(IsZeroWidthOrHeight(this.CaptionRectangle) == true)
{
return;
}
using(UseAntiAlias antiAlias = new UseAntiAlias(e.Graphics))
{
Graphics graphics = e.Graphics;
using(UseClearTypeGridFit clearTypeGridFit = new UseClearTypeGridFit(graphics))
{
bool bExpand = this.Expand;
bool bShowBorder = this.ShowBorder;
Color borderColor = this.PanelColors.BorderColor;
Rectangle borderRectangle = this.ClientRectangle;
switch(this.PanelStyle)
{
case PanelStyle.Default:
case PanelStyle.Office2007:
DrawCaptionbar(graphics, bExpand, bShowBorder, this.PanelStyle);
CalculatePanelHeights();
DrawBorders(graphics, this);
break;
}
}
}
}
/// <summary>
/// Raises the PanelExpanding event.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">A XPanderStateChangeEventArgs that contains the event data.</param>
protected override void OnPanelExpanding(object sender, XPanderStateChangeEventArgs e)
{
bool bExpand = e.Expand;
if(bExpand == true)
{
this.Expand = bExpand;
this.Invalidate(false);
}
base.OnPanelExpanding(sender, e);
}
/// <summary>
/// Raises the CaptionStyleChanged event.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">An EventArgs that contains the event data.</param>
protected virtual void OnCaptionStyleChanged(object sender, EventArgs e)
{
this.Invalidate(this.CaptionRectangle);
if(this.CaptionStyleChanged != null)
{
this.CaptionStyleChanged(sender, e);
}
}
/// <summary>
/// Raises the MouseUp event.
/// </summary>
/// <param name="e">A MouseEventArgs that contains data about the OnMouseUp event.</param>
protected override void OnMouseUp(MouseEventArgs e)
{
if(this.CaptionRectangle.Contains(e.X, e.Y) == true)
{
if((this.ShowCloseIcon == false) && (this.ShowExpandIcon == false))
{
OnExpandClick(this, EventArgs.Empty);
}
else if((this.ShowCloseIcon == true) && (this.ShowExpandIcon == false))
{
if(this.RectangleCloseIcon.Contains(e.X, e.Y) == false)
{
OnExpandClick(this, EventArgs.Empty);
}
}
if(this.ShowExpandIcon == true)
{
if(this.RectangleExpandIcon.Contains(e.X, e.Y) == true)
{
OnExpandClick(this, EventArgs.Empty);
}
}
if((this.ShowCloseIcon == true) && (this.m_bIsClosable == true))
{
if(this.RectangleCloseIcon.Contains(e.X, e.Y) == true)
{
OnCloseClick(this, EventArgs.Empty);
}
}
}
}
/// <summary>
/// Raises the VisibleChanged event.
/// </summary>
/// <param name="e">An EventArgs that contains the event data.</param>
protected override void OnVisibleChanged(EventArgs e)
{
base.OnVisibleChanged(e);
if(this.DesignMode == true)
{
return;
}
if(this.Visible == false)
{
if(this.Expand == true)
{
this.Expand = false;
foreach(Control control in this.Parent.Controls)
{
BSE.Windows.Forms.XPanderPanel xpanderPanel =
control as BSE.Windows.Forms.XPanderPanel;
if(xpanderPanel != null)
{
if(xpanderPanel.Visible == true)
{
xpanderPanel.Expand = true;
return;
}
}
}
}
}
#if DEBUG
//System.Diagnostics.Trace.WriteLine("Visibility: " + this.Name + this.Visible);
#endif
CalculatePanelHeights();
}
#endregion
#region MethodsPrivate
private void DrawCaptionbar(Graphics graphics, bool bExpand, bool bShowBorder, PanelStyle panelStyle)
{
Rectangle captionRectangle = this.CaptionRectangle;
Color colorGradientBegin = this.PanelColors.XPanderPanelCaptionGradientBegin;
Color colorGradientEnd = this.PanelColors.XPanderPanelCaptionGradientEnd;
Color colorGradientMiddle = this.PanelColors.XPanderPanelCaptionGradientMiddle;
Color colorText = this.PanelColors.XPanderPanelCaptionText;
Color foreColorCloseIcon = this.PanelColors.XPanderPanelCaptionCloseIcon;
Color foreColorExpandIcon = this.PanelColors.XPanderPanelCaptionExpandIcon;
bool bHover = this.HoverStateCaptionBar == HoverState.Hover ? true : false;
if(this.m_imageClosePanel == null)
{
this.m_imageClosePanel = Resources.closePanel;
}
if(this.m_imageChevronUp == null)
{
this.m_imageChevronUp = Resources.ChevronUp;
}
if(this.m_imageChevronDown == null)
{
this.m_imageChevronDown = Resources.ChevronDown;
}
this.m_imageChevron = this.m_imageChevronDown;
if(bExpand == true)
{
this.m_imageChevron = this.m_imageChevronUp;
}
if(this.m_captionStyle == CaptionStyle.Normal)
{
if(bHover == true)
{
colorGradientBegin = this.PanelColors.XPanderPanelSelectedCaptionBegin;
colorGradientEnd = this.PanelColors.XPanderPanelSelectedCaptionEnd;
colorGradientMiddle = this.PanelColors.XPanderPanelSelectedCaptionMiddle;
if(bExpand == true)
{
colorGradientBegin = this.PanelColors.XPanderPanelPressedCaptionBegin;
colorGradientEnd = this.PanelColors.XPanderPanelPressedCaptionEnd;
colorGradientMiddle = this.PanelColors.XPanderPanelPressedCaptionMiddle;
}
colorText = this.PanelColors.XPanderPanelSelectedCaptionText;
foreColorCloseIcon = colorText;
foreColorExpandIcon = colorText;
}
else
{
if(bExpand == true)
{
colorGradientBegin = this.PanelColors.XPanderPanelCheckedCaptionBegin;
colorGradientEnd = this.PanelColors.XPanderPanelCheckedCaptionEnd;
colorGradientMiddle = this.PanelColors.XPanderPanelCheckedCaptionMiddle;
colorText = this.PanelColors.XPanderPanelSelectedCaptionText;
foreColorCloseIcon = colorText;
foreColorExpandIcon = colorText;
}
}
if(panelStyle != PanelStyle.Office2007)
{
RenderDoubleBackgroundGradient(
graphics,
captionRectangle,
colorGradientBegin,
colorGradientMiddle,
colorGradientEnd,
LinearGradientMode.Vertical,
false);
}
else
{
RenderButtonBackground(
graphics,
captionRectangle,
colorGradientBegin,
colorGradientMiddle,
colorGradientEnd);
}
}
else
{
Color colorFlatGradientBegin = this.PanelColors.XPanderPanelFlatCaptionGradientBegin;
Color colorFlatGradientEnd = this.PanelColors.XPanderPanelFlatCaptionGradientEnd;
Color colorInnerBorder = this.PanelColors.InnerBorderColor;
colorText = this.PanelColors.XPanderPanelCaptionText;
foreColorExpandIcon = colorText;
RenderFlatButtonBackground(graphics, captionRectangle, colorFlatGradientBegin, colorFlatGradientEnd, bHover);
DrawInnerBorders(graphics, this);
}
DrawImagesAndText(
graphics,
captionRectangle,
CaptionSpacing,
this.ImageRectangle,
this.Image,
this.RightToLeft,
this.m_bIsClosable,
this.ShowCloseIcon,
this.m_imageClosePanel,
foreColorCloseIcon,
ref this.RectangleCloseIcon,
this.ShowExpandIcon,
this.m_imageChevron,
foreColorExpandIcon,
ref this.RectangleExpandIcon,
this.CaptionFont,
colorText,
this.Text);
}
private static void DrawBorders(Graphics graphics, XPanderPanel xpanderPanel)
{
if(xpanderPanel.ShowBorder == true)
{
using(GraphicsPath graphicsPath = new GraphicsPath())
{
using(Pen borderPen = new Pen(xpanderPanel.PanelColors.BorderColor, Constants.BorderThickness))
{
Rectangle captionRectangle = xpanderPanel.CaptionRectangle;
Rectangle borderRectangle = captionRectangle;
if(xpanderPanel.Expand == true)
{
borderRectangle = xpanderPanel.ClientRectangle;
graphics.DrawLine(
borderPen,
captionRectangle.Left,
captionRectangle.Top + captionRectangle.Height - Constants.BorderThickness,
captionRectangle.Left + captionRectangle.Width,
captionRectangle.Top + captionRectangle.Height - Constants.BorderThickness);
}
XPanderPanelList xpanderPanelList = xpanderPanel.Parent as XPanderPanelList;
if((xpanderPanelList != null) && (xpanderPanelList.Dock == DockStyle.Fill))
{
BSE.Windows.Forms.Panel panel = xpanderPanelList.Parent as BSE.Windows.Forms.Panel;
XPanderPanel parentXPanderPanel = xpanderPanelList.Parent as XPanderPanel;
if(((panel != null) && (panel.Padding == new Padding(0))) ||
((parentXPanderPanel != null) && (parentXPanderPanel.Padding == new Padding(0))))
{
if(xpanderPanel.Top != 0)
{
graphicsPath.AddLine(
borderRectangle.Left,
borderRectangle.Top,
borderRectangle.Left + captionRectangle.Width,
borderRectangle.Top);
}
// Left vertical borderline
graphics.DrawLine(borderPen,
borderRectangle.Left,
borderRectangle.Top,
borderRectangle.Left,
borderRectangle.Top + borderRectangle.Height);
// Right vertical borderline
graphics.DrawLine(borderPen,
borderRectangle.Left + borderRectangle.Width - Constants.BorderThickness,
borderRectangle.Top,
borderRectangle.Left + borderRectangle.Width - Constants.BorderThickness,
borderRectangle.Top + borderRectangle.Height);
}
else
{
// Upper horizontal borderline only at the top xpanderPanel
if(xpanderPanel.Top == 0)
{
graphicsPath.AddLine(
borderRectangle.Left,
borderRectangle.Top,
borderRectangle.Left + borderRectangle.Width,
borderRectangle.Top);
}
// Left vertical borderline
graphicsPath.AddLine(
borderRectangle.Left,
borderRectangle.Top,
borderRectangle.Left,
borderRectangle.Top + borderRectangle.Height);
//Lower horizontal borderline
graphicsPath.AddLine(
borderRectangle.Left,
borderRectangle.Top + borderRectangle.Height - Constants.BorderThickness,
borderRectangle.Left + borderRectangle.Width - Constants.BorderThickness,
borderRectangle.Top + borderRectangle.Height - Constants.BorderThickness);
// Right vertical borderline
graphicsPath.AddLine(
borderRectangle.Left + borderRectangle.Width - Constants.BorderThickness,
borderRectangle.Top,
borderRectangle.Left + borderRectangle.Width - Constants.BorderThickness,
borderRectangle.Top + borderRectangle.Height);
}
}
else
{
// Upper horizontal borderline only at the top xpanderPanel
if(xpanderPanel.Top == 0)
{
graphicsPath.AddLine(
borderRectangle.Left,
borderRectangle.Top,
borderRectangle.Left + borderRectangle.Width,
borderRectangle.Top);
}
// Left vertical borderline
graphicsPath.AddLine(
borderRectangle.Left,
borderRectangle.Top,
borderRectangle.Left,
borderRectangle.Top + borderRectangle.Height);
//Lower horizontal borderline
graphicsPath.AddLine(
borderRectangle.Left,
borderRectangle.Top + borderRectangle.Height - Constants.BorderThickness,
borderRectangle.Left + borderRectangle.Width - Constants.BorderThickness,
borderRectangle.Top + borderRectangle.Height - Constants.BorderThickness);
// Right vertical borderline
graphicsPath.AddLine(
borderRectangle.Left + borderRectangle.Width - Constants.BorderThickness,
borderRectangle.Top,
borderRectangle.Left + borderRectangle.Width - Constants.BorderThickness,
borderRectangle.Top + borderRectangle.Height);
}
}
using(Pen borderPen = new Pen(xpanderPanel.PanelColors.BorderColor, Constants.BorderThickness))
{
graphics.DrawPath(borderPen, graphicsPath);
}
}
}
}
private static void DrawInnerBorders(Graphics graphics, XPanderPanel xpanderPanel)
{
if(xpanderPanel.ShowBorder == true)
{
using(GraphicsPath graphicsPath = new GraphicsPath())
{
Rectangle captionRectangle = xpanderPanel.CaptionRectangle;
XPanderPanelList xpanderPanelList = xpanderPanel.Parent as XPanderPanelList;
if((xpanderPanelList != null) && (xpanderPanelList.Dock == DockStyle.Fill))
{
BSE.Windows.Forms.Panel panel = xpanderPanelList.Parent as BSE.Windows.Forms.Panel;
XPanderPanel parentXPanderPanel = xpanderPanelList.Parent as XPanderPanel;
if(((panel != null) && (panel.Padding == new Padding(0))) ||
((parentXPanderPanel != null) && (parentXPanderPanel.Padding == new Padding(0))))
{
//Left vertical borderline
graphicsPath.AddLine(captionRectangle.X, captionRectangle.Y + captionRectangle.Height, captionRectangle.X, captionRectangle.Y + Constants.BorderThickness);
if(xpanderPanel.Top == 0)
{
//Upper horizontal borderline
graphicsPath.AddLine(captionRectangle.X, captionRectangle.Y, captionRectangle.X + captionRectangle.Width, captionRectangle.Y);
}
else
{
//Upper horizontal borderline
graphicsPath.AddLine(captionRectangle.X, captionRectangle.Y + Constants.BorderThickness, captionRectangle.X + captionRectangle.Width, captionRectangle.Y + Constants.BorderThickness);
}
}
}
else
{
//Left vertical borderline
graphicsPath.AddLine(captionRectangle.X + Constants.BorderThickness, captionRectangle.Y + captionRectangle.Height, captionRectangle.X + Constants.BorderThickness, captionRectangle.Y);
if(xpanderPanel.Top == 0)
{
//Upper horizontal borderline
graphicsPath.AddLine(captionRectangle.X + Constants.BorderThickness, captionRectangle.Y + Constants.BorderThickness, captionRectangle.X + captionRectangle.Width - Constants.BorderThickness, captionRectangle.Y + Constants.BorderThickness);
}
else
{
//Upper horizontal borderline
graphicsPath.AddLine(captionRectangle.X + Constants.BorderThickness, captionRectangle.Y, captionRectangle.X + captionRectangle.Width - Constants.BorderThickness, captionRectangle.Y);
}
}
using(Pen borderPen = new Pen(xpanderPanel.PanelColors.InnerBorderColor))
{
graphics.DrawPath(borderPen, graphicsPath);
}
}
}
}
private void CalculatePanelHeights()
{
if(this.Parent == null)
{
return;
}
int iPanelHeight = this.Parent.Padding.Top;
foreach(Control control in this.Parent.Controls)
{
BSE.Windows.Forms.XPanderPanel xpanderPanel =
control as BSE.Windows.Forms.XPanderPanel;
if((xpanderPanel != null) && (xpanderPanel.Visible == true))
{
iPanelHeight += xpanderPanel.CaptionHeight;
}
}
iPanelHeight += this.Parent.Padding.Bottom;
foreach(Control control in this.Parent.Controls)
{
BSE.Windows.Forms.XPanderPanel xpanderPanel =
control as BSE.Windows.Forms.XPanderPanel;
if(xpanderPanel != null)
{
if(xpanderPanel.Expand == true)
{
xpanderPanel.Height = this.Parent.Height
+ xpanderPanel.CaptionHeight
- iPanelHeight;
}
else
{
xpanderPanel.Height = xpanderPanel.CaptionHeight;
}
}
}
int iTop = this.Parent.Padding.Top;
foreach(Control control in this.Parent.Controls)
{
BSE.Windows.Forms.XPanderPanel xpanderPanel =
control as BSE.Windows.Forms.XPanderPanel;
if((xpanderPanel != null) && (xpanderPanel.Visible == true))
{
xpanderPanel.Top = iTop;
iTop += xpanderPanel.Height;
}
}
}
#endregion
}
#endregion
#region Class XPanderPanelDesigner
/// <summary>
/// Designer class for extending the design mode behavior of a XPanderPanel control
/// </summary>
internal class XPanderPanelDesigner : System.Windows.Forms.Design.ScrollableControlDesigner
{
#region FieldsPrivate
private Pen m_borderPen = new Pen(Color.FromKnownColor(KnownColor.ControlDarkDark));
private System.Windows.Forms.Design.Behavior.Adorner m_adorner;
#endregion
#region MethodsPublic
/// <summary>
/// Initializes a new instance of the XPanderPanelDesigner class.
/// </summary>
public XPanderPanelDesigner()
{
this.m_borderPen.DashStyle = DashStyle.Dash;
}
/// <summary>
/// Initializes the designer with the specified component.
/// </summary>
/// <param name="component">The IComponent to associate with the designer.</param>
public override void Initialize(IComponent component)
{
base.Initialize(component);
XPanderPanel xpanderPanel = Control as XPanderPanel;
if(xpanderPanel != null)
{
this.m_adorner = new System.Windows.Forms.Design.Behavior.Adorner();
BehaviorService.Adorners.Add(this.m_adorner);
this.m_adorner.Glyphs.Add(new XPanderPanelCaptionGlyph(BehaviorService, xpanderPanel));
}
}
#endregion
#region MethodsProtected
/// <summary>
/// Releases the unmanaged resources used by the XPanderPanelDesigner,
/// and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources;
/// false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
try
{
if(disposing)
{
if(this.m_borderPen != null)
{
this.m_borderPen.Dispose();
}
if(this.m_adorner != null)
{
if(BehaviorService != null)
{
BehaviorService.Adorners.Remove(this.m_adorner);
}
}
}
}
finally
{
base.Dispose(disposing);
}
}
/// <summary>
/// Receives a call when the control that the designer is managing has painted its surface so the designer can
/// paint any additional adornments on top of the xpanderpanel.
/// </summary>
/// <param name="e">A PaintEventArgs the designer can use to draw on the xpanderpanel.</param>
protected override void OnPaintAdornments(PaintEventArgs e)
{
base.OnPaintAdornments(e);
e.Graphics.DrawRectangle(
this.m_borderPen,
0,
0,
this.Control.Width - 2,
this.Control.Height - 2);
}
/// <summary>
/// Allows a designer to change or remove items from the set of properties that it exposes through a <see cref="TypeDescriptor">TypeDescriptor</see>.
/// </summary>
/// <param name="properties">The properties for the class of the component.</param>
protected override void PostFilterProperties(IDictionary properties)
{
base.PostFilterProperties(properties);
properties.Remove("AccessibilityObject");
properties.Remove("AccessibleDefaultActionDescription");
properties.Remove("AccessibleDescription");
properties.Remove("AccessibleName");
properties.Remove("AccessibleRole");
properties.Remove("AllowDrop");
properties.Remove("Anchor");
properties.Remove("AntiAliasing");
properties.Remove("AutoScroll");
properties.Remove("AutoScrollMargin");
properties.Remove("AutoScrollMinSize");
properties.Remove("BackColor");
properties.Remove("BackgroundImage");
properties.Remove("BackgroundImageLayout");
properties.Remove("CausesValidation");
properties.Remove("ContextMenuStrip");
properties.Remove("Dock");
properties.Remove("GenerateMember");
properties.Remove("ImeMode");
properties.Remove("Location");
properties.Remove("MaximumSize");
properties.Remove("MinimumSize");
}
#endregion
}
#endregion
#region Class XPanderPanelCaptionGlyph
/// <summary>
/// Represents a single user interface (UI) entity managed by an Adorner.
/// </summary>
internal class XPanderPanelCaptionGlyph : System.Windows.Forms.Design.Behavior.Glyph
{
#region FieldsPrivate
private XPanderPanel m_xpanderPanel;
private System.Windows.Forms.Design.Behavior.BehaviorService m_behaviorService;
#endregion
#region Properties
/// <summary>
/// Gets the bounds of the Glyph.
/// </summary>
public override Rectangle Bounds
{
get
{
Point edge = this.m_behaviorService.ControlToAdornerWindow(this.m_xpanderPanel);
Rectangle bounds = new Rectangle(
edge.X,
edge.Y,
this.m_xpanderPanel.Width,
this.m_xpanderPanel.CaptionHeight);
return bounds;
}
}
#endregion
#region MethodsPublic
/// <summary>
/// Initializes a new instance of the CaptionGlyph class.
/// </summary>
/// <param name="behaviorService"></param>
/// <param name="xpanderPanel"></param>
public XPanderPanelCaptionGlyph(System.Windows.Forms.Design.Behavior.BehaviorService behaviorService, XPanderPanel xpanderPanel)
:
base(new XPanderPanelCaptionClickBehavior(xpanderPanel))
{
this.m_behaviorService = behaviorService;
this.m_xpanderPanel = xpanderPanel;
}
/// <summary>
/// Provides hit test logic.
/// </summary>
/// <param name="p">A point to hit-test.</param>
/// <returns>A Cursor if the Glyph is associated with p; otherwise, a null reference</returns>
public override Cursor GetHitTest(Point p)
{
// GetHitTest is called to see if the point is
// within this glyph. This gives us a chance to decide
// what cursor to show. Returning null from here means
// the mouse pointer is not currently inside of the glyph.
// Returning a valid cursor here indicates the pointer is
// inside the glyph, and also enables our Behavior property
// as the active behavior.
if((this.m_xpanderPanel != null) && (this.m_xpanderPanel.Expand == false) && (Bounds.Contains(p)))
{
return Cursors.Hand;
}
return null;
}
/// <summary>
/// Provides paint logic.
/// </summary>
/// <param name="pe">A PaintEventArgs that contains the event data.</param>
public override void Paint(PaintEventArgs pe)
{
}
#endregion
}
#endregion
#region Class XPanderPanelCaptionClickBehavior
/// <summary>
/// Designer behaviour when the user clicks in the glyph on the XPanderPanel caption
/// </summary>
internal class XPanderPanelCaptionClickBehavior : System.Windows.Forms.Design.Behavior.Behavior
{
#region FieldsPrivate
private XPanderPanel m_xpanderPanel;
#endregion
#region MethodsPublic
/// <summary>
/// Initializes a new instance of the Behavior class.
/// </summary>
/// <param name="xpanderPanel">XPanderPanel for this behaviour</param>
public XPanderPanelCaptionClickBehavior(XPanderPanel xpanderPanel)
{
this.m_xpanderPanel = xpanderPanel;
}
/// <summary>
/// Called when any mouse-down message enters the adorner window of the BehaviorService.
/// </summary>
/// <param name="g">A Glyph.</param>
/// <param name="button">A MouseButtons value indicating which button was clicked.</param>
/// <param name="mouseLoc">The location at which the click occurred.</param>
/// <returns>true if the message was handled; otherwise, false. </returns>
public override bool OnMouseDown(System.Windows.Forms.Design.Behavior.Glyph g, MouseButtons button, Point mouseLoc)
{
if((this.m_xpanderPanel != null) && (this.m_xpanderPanel.Expand == false))
{
XPanderPanelList xpanderPanelList = this.m_xpanderPanel.Parent as XPanderPanelList;
if(xpanderPanelList != null)
{
xpanderPanelList.Expand(this.m_xpanderPanel);
this.m_xpanderPanel.Invalidate(false);
}
}
return true; // indicating we processed this event.
}
#endregion
}
#endregion
}
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