/// <summary>
/// Initialize a new instance of the CheckBoxController class.
/// </summary>
/// <param name="target">Target for state changes.</param>
/// <param name="top">Top element for the check box control.</param>
/// <param name="needPaint">Delegate for notifying paint requests.</param>
public CheckBoxController(ViewDrawCheckBox target,
ViewBase top,
NeedPaintHandler needPaint)
{
Debug.Assert(target != null);
Debug.Assert(top != null);
// Store the provided paint notification delegate
NeedPaint = needPaint;
// Remember target for state changes
_target = target;
_top = top;
}
/// <summary>
/// Initialize a new instance of the KryptonCheckBox class.
/// </summary>
public KryptonCheckBox()
{
// Turn off standard click and double click events, we do that manually
SetStyle(ControlStyles.StandardClick |
ControlStyles.StandardDoubleClick, false);
// Set default properties
_style = LabelStyle.NormalControl;
_orientation = VisualOrientation.Top;
_checkPosition = VisualOrientation.Left;
_checked = false;
_threeState = false;
_checkState = CheckState.Unchecked;
_useMnemonic = true;
AutoCheck = true;
// Create content storage
Values = new LabelValues(NeedPaintDelegate);
Values.TextChanged += OnCheckBoxTextChanged;
Images = new CheckBoxImages(NeedPaintDelegate);
// Create palette redirector
_paletteCommonRedirect = new PaletteContentInheritRedirect(Redirector, PaletteContentStyle.LabelNormalControl);
_paletteCheckBoxImages = new PaletteRedirectCheckBox(Redirector, Images);
// Create the palette provider
StateCommon = new PaletteContent(_paletteCommonRedirect, NeedPaintDelegate);
StateDisabled = new PaletteContent(StateCommon, NeedPaintDelegate);
StateNormal = new PaletteContent(StateCommon, NeedPaintDelegate);
OverrideFocus = new PaletteContent(_paletteCommonRedirect, NeedPaintDelegate);
// Override the normal values with the focus, when the control has focus
_overrideNormal = new PaletteContentInheritOverride(OverrideFocus, StateNormal, PaletteState.FocusOverride, false);
// Our view contains background and border with content inside
_drawContent = new ViewDrawContent(_overrideNormal, this, VisualOrientation.Top)
{
UseMnemonic = _useMnemonic,
// Only draw a focus rectangle when focus cues are needed in the top level form
TestForFocusCues = true
};
// Create the check box image drawer and place inside element so it is always centered
_drawCheckBox = new ViewDrawCheckBox(_paletteCheckBoxImages)
{
CheckState = _checkState
};
_layoutCenter = new ViewLayoutCenter
{
_drawCheckBox
};
// Place check box on the left and the label in the remainder
_layoutDocker = new ViewLayoutDocker
{
{ _layoutCenter, ViewDockStyle.Left },
{ _drawContent, ViewDockStyle.Fill }
};
// Need a controller for handling mouse input
_controller = new CheckBoxController(_drawCheckBox, _layoutDocker, NeedPaintDelegate);
_controller.Click += OnControllerClick;
_controller.Enabled = true;
_layoutDocker.MouseController = _controller;
_layoutDocker.KeyController = _controller;
// Change the layout to match the inital right to left setting and orientation
UpdateForOrientation();
// Create the view manager instance
ViewManager = new ViewManager(this, _layoutDocker);
// We want to be auto sized by default, but not the property default!
AutoSize = true;
AutoSizeMode = AutoSizeMode.GrowAndShrink;
}
/// <summary>
/// Initialize a new instance of the ViewDrawMenuCheckBox class.
/// </summary>
/// <param name="provider">Reference to provider.</param>
/// <param name="checkBox">Reference to owning check box entry.</param>
public ViewDrawMenuCheckBox(IContextMenuProvider provider,
KryptonContextMenuCheckBox checkBox)
{
_provider = provider;
KryptonContextMenuCheckBox = checkBox;
// Create fixed storage of the content values
_contentValues = new FixedContentValue(ResolveText,
ResolveExtraText,
ResolveImage,
ResolveImageTransparentColor);
// Decide on the enabled state of the display
ItemEnabled = provider.ProviderEnabled && ResolveEnabled;
// Give the heading object the redirector to use when inheriting values
KryptonContextMenuCheckBox.SetPaletteRedirect(provider.ProviderRedirector);
// Create the content for the actual heading text/image
ViewDrawContent = new ViewDrawContent((ItemEnabled ? KryptonContextMenuCheckBox.OverrideNormal : KryptonContextMenuCheckBox.OverrideDisabled),
_contentValues, VisualOrientation.Top)
{
UseMnemonic = true,
Enabled = ItemEnabled
};
// Create the check box image drawer and place inside element so it is always centered
ViewDrawCheckBox = new ViewDrawCheckBox(KryptonContextMenuCheckBox.StateCheckBoxImages)
{
CheckState = ResolveCheckState,
Enabled = ItemEnabled
};
_layoutCenter = new ViewLayoutCenter
{
ViewDrawCheckBox
};
// Place the check box on the left of the available space but inside separators
_innerDocker = new ViewLayoutDocker
{
{ ViewDrawContent, ViewDockStyle.Fill },
{ _layoutCenter, ViewDockStyle.Left },
{ new ViewLayoutSeparator(1), ViewDockStyle.Right },
{ new ViewLayoutSeparator(3), ViewDockStyle.Left },
{ new ViewLayoutSeparator(1), ViewDockStyle.Top },
{ new ViewLayoutSeparator(1), ViewDockStyle.Bottom }
};
// Use outer docker so that any extra space not needed is used by the null
_outerDocker = new ViewLayoutDocker
{
{ _innerDocker, ViewDockStyle.Top },
{ new ViewLayoutNull(), ViewDockStyle.Fill }
};
// Use context menu specific version of the check box controller
MenuCheckBoxController mcbc = new MenuCheckBoxController(provider.ProviderViewManager, _innerDocker, this, provider.ProviderNeedPaintDelegate);
mcbc.Click += OnClick;
_innerDocker.MouseController = mcbc;
_innerDocker.KeyController = mcbc;
// Add docker as the composite content
Add(_outerDocker);
// Want to know when a property changes whilst displayed
KryptonContextMenuCheckBox.PropertyChanged += OnPropertyChanged;
// We need to know if a property of the command changes
if (KryptonContextMenuCheckBox.KryptonCommand != null)
{
_cachedCommand = KryptonContextMenuCheckBox.KryptonCommand;
KryptonContextMenuCheckBox.KryptonCommand.PropertyChanged += OnCommandPropertyChanged;
}
}
