void BaseItem_MouseEnter(object sender, MouseEventArgs e)
{
MenuItemButton item = sender as MenuItemButton;
if (item.IsSelected && CurrentState != _STATE_EXPAND)
{
item.Focus();
CurrentState = _STATE_EXPAND;
VisualStateManager.GoToState(this, _STATE_EXPAND, true);
}
}
protected static void OnIsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MenuItemButton me = d as MenuItemButton;
bool selected = (bool)e.NewValue;
if (me.MenuButtonShape != null)
{
if (selected)
{
if (me.MouseOverBackground != null)
{
me.MenuButtonShape.Fill = me.SelectedBackground;
}
if (me.SelectedEffect != null)
{
if (me.IsImageOnly)
{
me.MenuButtonImage.Effect = me.SelectedEffect;
}
else
{
me.MenuButtonShape.Effect = me.SelectedEffect;
}
if (me.SelectedEffect is DropShadowEffect)
{
(me.MenuTextBlock.Effect as DropShadowEffect).Color = (me.SelectedEffect as DropShadowEffect).Color;
}
}
}
else
{
if (me.MouseOverBackground != null)
{
me.MenuButtonShape.Fill = me.Background;
}
if (me.SelectedEffect != null)
{
if (me.IsImageOnly)
{
me.MenuButtonImage.Effect = me.DefaultEffect;
}
else
{
me.MenuButtonShape.Effect = me.DefaultEffect;
}
(me.MenuTextBlock.Effect as DropShadowEffect).Color = Colors.White;
}
}
}
}
private void SetSelectedMenuItem()
{
if (this.SelectedButton != null)
{
this.SelectedButton.TextPosition = this.ContentPosition;
return;
}
MenuItemButton selectedItem = null;
if (Items != null && Items.Count > 0)
{
foreach (MenuItemButton item in Items)
{
if (item.IsSelected)
{
if (selectedItem == null)
{
selectedItem = item;
}
else
{
item.IsSelected = false;
}
}
}
if (selectedItem == null)
{
Items[0].IsSelected = true;
selectedItem = Items[0];
}
}
if (selectedItem != null)
{
if (double.IsNaN(selectedItem.Width))
{
selectedItem.Width = 50;
}
if (double.IsNaN(selectedItem.Height))
{
selectedItem.Height = 50;
}
selectedItem.Click += new MenuItemClickEventHandler(BaseItem_Clicked);
selectedItem.LostFocus += new RoutedEventHandler(BaseItem_LostFocus);
selectedItem.TextPosition = this.ContentPosition;
BaseMenuItemPanel.Children.Add(selectedItem);
this.SelectedButton = selectedItem;
}
}
void BaseItem_Clicked(object sender, MenuItemClickEventArgs e)
{
MenuItemButton item = sender as MenuItemButton;
if (CurrentState != _STATE_EXPAND)
{
CurrentState = _STATE_EXPAND;
VisualStateManager.GoToState(this, _STATE_EXPAND, true);
}
if (this.MenuOpenMode == MenuOpenAction.MouseHover)
{
this.BaseButton.MouseEnter += new MouseEventHandler(BaseItem_MouseEnter);
this.BaseButton.Click -= BaseItem_Clicked;
}
}
void MenuItem_Clicked(object sender, MenuItemClickEventArgs e)
{
MenuItemButton item = sender as MenuItemButton;
if (!item.IsSelected)
{
ClickedItem = item;
double x0 = (this.ContentPosition == ContentOrientation.RIGHT) ? 0 : ((this.ContentPosition == ContentOrientation.LEFT) ? ChildPanelWidth : (ChildPanelWidth / 2.0));
double y0 = (this.ContentPosition == ContentOrientation.DOWN) ? 0 : ((this.ContentPosition == ContentOrientation.UP) ? ChildPanelHeight : (ChildPanelHeight / 2.0));
double dx = x0 - (item.Margin.Left + item.Width / 2.0);
double dy = y0 - (item.Margin.Top + item.Height / 2.0);
DoubleAnimationUsingKeyFrames animationX = new DoubleAnimationUsingKeyFrames();
animationX.KeyFrames.Add(new SplineDoubleKeyFrame()
{
KeyTime = TimeSpan.FromMilliseconds(0), Value = 0
});
animationX.KeyFrames.Add(new SplineDoubleKeyFrame()
{
KeyTime = TimeSpan.FromMilliseconds(300), Value = dx
});
DoubleAnimationUsingKeyFrames animationY = new DoubleAnimationUsingKeyFrames();
animationY.KeyFrames.Add(new SplineDoubleKeyFrame()
{
KeyTime = TimeSpan.FromMilliseconds(0), Value = 0
});
animationY.KeyFrames.Add(new SplineDoubleKeyFrame()
{
KeyTime = TimeSpan.FromMilliseconds(300), Value = dy
});
Storyboard sbExchange = new Storyboard();
sbExchange.Completed += new EventHandler(StoryboardExchange_Completed);
Storyboard.SetTargetProperty(animationX, new PropertyPath("X"));
Storyboard.SetTarget(animationX, item.RenderTransform);
Storyboard.SetTargetProperty(animationY, new PropertyPath("Y"));
Storyboard.SetTarget(animationY, item.RenderTransform);
sbExchange.Children.Add(animationX);
sbExchange.Children.Add(animationY);
sbExchange.Begin();
}
}
void BaseItem_Clicked(object sender, MenuItemClickEventArgs e)
{
MenuItemButton item = sender as MenuItemButton;
if (item.IsSelected && CurrentState != _STATE_EXPAND)
{
CurrentState = _STATE_EXPAND;
VisualStateManager.GoToState(this, _STATE_EXPAND, true);
}
if (this.MenuOpenMode == MenuOpenAction.MouseHover && !isHoverModeSet)
{
this.SelectedButton.MouseEnter += new MouseEventHandler(BaseItem_MouseEnter);
isHoverModeSet = true;
}
// Added to meet ViewPoint-GIS's need
OnBaseButtonClicked(new MenuItemClickEventArgs(item.Tag));
}
private void InitializeBaseButton()
{
if (this.ImageSource != null)
{
if (this.ButtonShape == MenuButtonShape.Square)
{
BaseButton = new SquareMenuButton();
}
else
{
BaseButton = new CircleMenuButton();
}
BaseButton.Text = this.Text;
BaseButton.Width = this.Width;
BaseButton.Height = this.Height;
BaseButton.IsImageOnly = this.IsImageOnly;
BaseButton.ImageSource = this.ImageSource;
BaseButton.ImageMargin = this.ImageMargin;
BaseButton.TextPosition = this.ContentPosition;
BaseButton.TextVisibility = this.TextVisibility;
BaseButton.DefaultEffect = this.DefaultEffect;
BaseButton.MouseOverEffect = this.MouseOverEffect;
BaseButton.MouseOverBackground = this.MouseOverBackground;
if (double.IsNaN(BaseButton.Width))
{
BaseButton.Width = 50;
}
if (double.IsNaN(BaseButton.Height))
{
BaseButton.Height = 50;
}
BaseButton.Click += new MenuItemClickEventHandler(BaseItem_Clicked);
BaseButton.LostFocus += new RoutedEventHandler(BaseItem_LostFocus);
BaseMenuItemPanel.Children.Add(BaseButton);
}
}
public MenuButtonChangeEventArgs(MenuItemButton oldButton, MenuItemButton newButton)
{
this._OldButton = oldButton;
this._NewButton = newButton;
}