/// <summary>
/// Initialize a new instance of the ViewDrawMenuItem class.
/// </summary>
/// <param name="provider">Provider of context menu information.</param>
/// <param name="menuItem">Menu item definition.</param>
/// <param name="columns">Containing columns.</param>
/// <param name="standardStyle">Draw items with standard or alternate style.</param>
/// <param name="imageColumn">Draw an image background for the item images.</param>
public ViewDrawMenuItem(IContextMenuProvider provider,
KryptonContextMenuItem menuItem,
ViewLayoutStack columns,
bool standardStyle,
bool imageColumn)
: base(menuItem.StateNormal.ItemHighlight.Back,
menuItem.StateNormal.ItemHighlight.Border,
menuItem.StateNormal.ItemHighlight,
PaletteMetricPadding.ContextMenuItemHighlight,
VisualOrientation.Top)
{
// Remember values
_provider = provider;
_menuItem = menuItem;
_imageColumn = imageColumn;
_standardStyle = standardStyle;
// Give the item object the redirector to use when inheriting values
_menuItem.SetPaletteRedirect(provider);
// Create a stack of horizontal items inside the item
ViewLayoutDocker docker = new ViewLayoutDocker();
// Decide on the enabled state of the display
_itemEnabled = provider.ProviderEnabled && ResolveEnabled;
PaletteContextMenuItemState menuItemState = (_itemEnabled ? _menuItem.StateNormal : _menuItem.StateDisabled);
// Calculate the image to show inside in the image column
Image itemColumnImage = ResolveImage;
Color itemImageTransparent = ResolveImageTransparentColor;
// If no image found then...
if (itemColumnImage != null)
{
// Ensure we have a fixed size if we are showing an image column
if (_imageColumn)
{
itemColumnImage = _empty16x16;
itemImageTransparent = Color.Magenta;
}
switch (ResolveCheckState)
{
case CheckState.Checked:
itemColumnImage = provider.ProviderImages.GetContextMenuCheckedImage();
itemImageTransparent = Color.Empty;
break;
case CheckState.Indeterminate:
itemColumnImage = provider.ProviderImages.GetContextMenuIndeterminateImage();
itemImageTransparent = Color.Empty;
break;
}
}
// Column Image
PaletteTripleJustImage justImage = (ResolveChecked ? _menuItem.StateChecked.ItemImage : menuItemState.ItemImage);
_fixedImage = new FixedContentValue(null, null, itemColumnImage, itemImageTransparent);
_imageContent = new ViewDrawContent(justImage.Content, _fixedImage, VisualOrientation.Top);
_imageCanvas = new ViewDrawMenuImageCanvas(justImage.Back, justImage.Border, 0, false);
_imageCanvas.Add(_imageContent);
docker.Add(new ViewLayoutCenter(_imageCanvas), ViewDockStyle.Left);
_imageContent.Enabled = _itemEnabled;
// Text/Extra Text
PaletteContentJustText menuItemStyle = (standardStyle ? menuItemState.ItemTextStandard : menuItemState.ItemTextAlternate);
_fixedTextExtraText = new FixedContentValue(ResolveText, ResolveExtraText, null, Color.Empty);
_textContent = new ViewDrawMenuItemContent(menuItemStyle, _fixedTextExtraText, 1);
docker.Add(_textContent, ViewDockStyle.Fill);
_textContent.Enabled = _itemEnabled;
// Shortcut
if (_menuItem.ShowShortcutKeys)
{
string shortcutString = _menuItem.ShortcutKeyDisplayString;
if (string.IsNullOrEmpty(shortcutString))
shortcutString = (_menuItem.ShortcutKeys != Keys.None) ? new KeysConverter().ConvertToString(_menuItem.ShortcutKeys) : string.Empty;
if (shortcutString.Length > 0)
{
_shortcutContent = new ViewDrawMenuItemContent(menuItemState.ItemShortcutText, new FixedContentValue(shortcutString, null, null, Color.Empty), 2);
docker.Add(_shortcutContent, ViewDockStyle.Right);
_shortcutContent.Enabled = _itemEnabled;
}
}
// Add split item separator
_splitSeparator = new ViewDrawMenuSeparator(menuItemState.ItemSplit);
docker.Add(_splitSeparator, ViewDockStyle.Right);
_splitSeparator.Enabled = _itemEnabled;
_splitSeparator.Draw = (_menuItem.Items.Count > 0) && _menuItem.SplitSubMenu;
// SubMenu Indicator
_hasSubMenu = (_menuItem.Items.Count > 0);
_subMenuContent = new ViewDrawMenuItemContent(menuItemState.ItemImage.Content, new FixedContentValue(null, null, (!_hasSubMenu ? _empty16x16 : provider.ProviderImages.GetContextMenuSubMenuImage()), (_menuItem.Items.Count == 0 ? Color.Magenta : Color.Empty)), 3);
docker.Add(new ViewLayoutCenter(_subMenuContent), ViewDockStyle.Right);
_subMenuContent.Enabled = _itemEnabled;
Add(docker);
// Add a controller for handing mouse and keyboard events
MenuItemController mic = new MenuItemController(provider.ProviderViewManager, this, provider.ProviderNeedPaintDelegate);
MouseController = mic;
KeyController = mic;
// Want to know when a property changes whilst displayed
_menuItem.PropertyChanged += new PropertyChangedEventHandler(OnPropertyChanged);
// We need to know if a property of the command changes
if (_menuItem.KryptonCommand != null)
{
_cachedCommand = _menuItem.KryptonCommand;
_menuItem.KryptonCommand.PropertyChanged += new PropertyChangedEventHandler(OnCommandPropertyChanged);
}
}
/// <summary>
/// Returns a view appropriate for this item based on the object it is inside.
/// </summary>
/// <param name="provider">Provider of context menu information.</param>
/// <param name="parent">Owning object reference.</param>
/// <param name="columns">Containing columns.</param>
/// <param name="standardStyle">Draw items with standard or alternate style.</param>
/// <param name="imageColumn">Draw an image background for the item images.</param>
/// <returns>ViewBase that is the root of the view hierachy being added.</returns>
public override ViewBase GenerateView(IContextMenuProvider provider,
object parent,
ViewLayoutStack columns,
bool standardStyle,
bool imageColumn)
{
if (Horizontal && (parent is KryptonContextMenuItemCollection))
{
// Create a stack of horizontal items inside the item
ViewLayoutDocker docker = new ViewLayoutDocker();
// Take up same space as the image column, so separator starts close to actual text
ViewDrawContent imageContent = new ViewDrawContent(provider.ProviderStateCommon.ItemImage.Content, new FixedContentValue(null, null, null, Color.Empty), VisualOrientation.Top);
ViewDrawMenuImageCanvas imageCanvas = new ViewDrawMenuImageCanvas(provider.ProviderStateCommon.ItemImage.Back, provider.ProviderStateCommon.ItemImage.Border, 0, true);
imageCanvas.Add(imageContent);
docker.Add(new ViewLayoutCenter(imageCanvas), ViewDockStyle.Left);
docker.Add(new ViewLayoutSeparator(1, 0), ViewDockStyle.Left);
// Gap that matches left padding of text/extra text
docker.Add(new ViewLayoutMenuSepGap(provider.ProviderStateCommon, standardStyle), ViewDockStyle.Left);
// Separator Display
ViewLayoutStack separatorStack = new ViewLayoutStack(false);
separatorStack.Add(new ViewLayoutSeparator(1, 1));
separatorStack.Add(new ViewDrawMenuSeparator(this, provider.ProviderStateCommon.Separator));
separatorStack.Add(new ViewLayoutSeparator(1, 1));
docker.Add(separatorStack, ViewDockStyle.Fill);
return docker;
}
else
return new ViewDrawMenuSeparator(this, provider.ProviderStateCommon.Separator);
}
/// <summary>
/// Initialize a new instance of the ViewDrawMenuItem class.
/// </summary>
/// <param name="provider">Provider of context menu information.</param>
/// <param name="menuItem">Menu item definition.</param>
/// <param name="columns">Containing columns.</param>
/// <param name="standardStyle">Draw items with standard or alternate style.</param>
/// <param name="imageColumn">Draw an image background for the item images.</param>
public ViewDrawMenuItem(IContextMenuProvider provider,
KryptonContextMenuItem menuItem,
ViewLayoutStack columns,
bool standardStyle,
bool imageColumn)
: base(menuItem.StateNormal.ItemHighlight.Back,
menuItem.StateNormal.ItemHighlight.Border,
menuItem.StateNormal.ItemHighlight,
PaletteMetricPadding.ContextMenuItemHighlight,
VisualOrientation.Top)
{
// Remember values
_provider = provider;
KryptonContextMenuItem = menuItem;
_imageColumn = imageColumn;
_standardStyle = standardStyle;
// Give the item object the redirector to use when inheriting values
KryptonContextMenuItem.SetPaletteRedirect(provider);
// Create a stack of horizontal items inside the item
ViewLayoutDocker docker = new ViewLayoutDocker();
// Decide on the enabled state of the display
ItemEnabled = provider.ProviderEnabled && ResolveEnabled;
PaletteContextMenuItemState menuItemState = (ItemEnabled ? KryptonContextMenuItem.StateNormal : KryptonContextMenuItem.StateDisabled);
// Calculate the image to show inside in the image column
Image itemColumnImage = ResolveImage;
Color itemImageTransparent = ResolveImageTransparentColor;
// If no image found then...
if (itemColumnImage != null)
{
// Ensure we have a fixed size if we are showing an image column
if (_imageColumn)
{
itemColumnImage = _empty16x16;
itemImageTransparent = Color.Magenta;
}
switch (ResolveCheckState)
{
case CheckState.Checked:
itemColumnImage = provider.ProviderImages.GetContextMenuCheckedImage();
itemImageTransparent = Color.Empty;
break;
case CheckState.Indeterminate:
itemColumnImage = provider.ProviderImages.GetContextMenuIndeterminateImage();
itemImageTransparent = Color.Empty;
break;
}
}
// Column Image
PaletteTripleJustImage justImage = (ResolveChecked ? KryptonContextMenuItem.StateChecked.ItemImage : menuItemState.ItemImage);
_fixedImage = new FixedContentValue(null, null, itemColumnImage, itemImageTransparent);
_imageContent = new ViewDrawContent(justImage.Content, _fixedImage, VisualOrientation.Top);
_imageCanvas = new ViewDrawMenuImageCanvas(justImage.Back, justImage.Border, 0, false)
{
_imageContent
};
docker.Add(new ViewLayoutCenter(_imageCanvas), ViewDockStyle.Left);
_imageContent.Enabled = ItemEnabled;
// Text/Extra Text
PaletteContentJustText menuItemStyle = (standardStyle ? menuItemState.ItemTextStandard : menuItemState.ItemTextAlternate);
_fixedTextExtraText = new FixedContentValue(ResolveText, ResolveExtraText, null, Color.Empty);
_textContent = new ViewDrawMenuItemContent(menuItemStyle, _fixedTextExtraText, 1);
docker.Add(_textContent, ViewDockStyle.Fill);
_textContent.Enabled = ItemEnabled;
// Shortcut
if (KryptonContextMenuItem.ShowShortcutKeys)
{
string shortcutString = KryptonContextMenuItem.ShortcutKeyDisplayString;
if (string.IsNullOrEmpty(shortcutString))
{
shortcutString = (KryptonContextMenuItem.ShortcutKeys != Keys.None) ? new KeysConverter().ConvertToString(KryptonContextMenuItem.ShortcutKeys) : string.Empty;
}
if (shortcutString.Length > 0)
{
_shortcutContent = new ViewDrawMenuItemContent(menuItemState.ItemShortcutText, new FixedContentValue(shortcutString, null, null, Color.Empty), 2);
docker.Add(_shortcutContent, ViewDockStyle.Right);
_shortcutContent.Enabled = ItemEnabled;
}
}
// Add split item separator
SplitSeparator = new ViewDrawMenuSeparator(menuItemState.ItemSplit);
docker.Add(SplitSeparator, ViewDockStyle.Right);
SplitSeparator.Enabled = ItemEnabled;
SplitSeparator.Draw = (KryptonContextMenuItem.Items.Count > 0) && KryptonContextMenuItem.SplitSubMenu;
// SubMenu Indicator
HasSubMenu = (KryptonContextMenuItem.Items.Count > 0);
_subMenuContent = new ViewDrawMenuItemContent(menuItemState.ItemImage.Content, new FixedContentValue(null, null, (!HasSubMenu ? _empty16x16 : provider.ProviderImages.GetContextMenuSubMenuImage()), (KryptonContextMenuItem.Items.Count == 0 ? Color.Magenta : Color.Empty)), 3);
docker.Add(new ViewLayoutCenter(_subMenuContent), ViewDockStyle.Right);
_subMenuContent.Enabled = ItemEnabled;
Add(docker);
// Add a controller for handing mouse and keyboard events
MenuItemController mic = new MenuItemController(provider.ProviderViewManager, this, provider.ProviderNeedPaintDelegate);
MouseController = mic;
KeyController = mic;
// Want to know when a property changes whilst displayed
KryptonContextMenuItem.PropertyChanged += OnPropertyChanged;
// We need to know if a property of the command changes
if (KryptonContextMenuItem.KryptonCommand != null)
{
_cachedCommand = KryptonContextMenuItem.KryptonCommand;
KryptonContextMenuItem.KryptonCommand.PropertyChanged += OnCommandPropertyChanged;
}
}
