void item_MouseEnter(object sender, MouseEventArgs e)
{
isUsingRibbon = true;
RibbonTabButton source = sender as RibbonTabButton;
if (source.Items.Count <= 0)
{
source.MouseLeftButtonDown += (obj, args) =>
{
if (Click != null)
{
Click(source, new RibbonButtonClickArgs()
{
DataContext = source.DataContext
});
}
};
}
else
{
#region Load Items
Point currentPoint = new Point()
{
X = Canvas.GetLeft(source) + ContentMargin.Left
};
if (!isClick)
{
LoadTabItems(source);
RibbonGroupParentPanel.Visibility = Visibility.Visible;
TabSelectedBackground.Width = source.Width + clickOffset * 2;
Canvas.SetLeft(TabSelectedBackground, currentPoint.X - clickOffset);
Canvas.SetLeft(RibbonGroupParentPanel, currentPoint.X - clickOffset * 3);
ChangeVisualState("Show", false);
isClick = true;
}
else
{
LoadTabItems(source);
double tabprevleft = Canvas.GetLeft(TabSelectedBackground);
double panelprevleft = Canvas.GetLeft(RibbonGroupParentPanel);
double tabcurrentleft = currentPoint.X - clickOffset;
double panelcurrentleft = currentPoint.X - clickOffset * 3;
List <IModel> _models = new List <IModel>()
{
new Model.DoubleModel()
{
Target = TabSelectedBackground, From = tabprevleft, To = tabcurrentleft, PropertyPath = ConstPropertyPath.CANVAS_LEFT, Duration = 0.2
},
new Model.DoubleModel()
{
Target = RibbonGroupParentPanel, From = panelprevleft, To = panelcurrentleft, PropertyPath = ConstPropertyPath.CANVAS_LEFT, Duration = 0.2
}
};
Engine.CreateStoryboard(_models).Begin();
}
TabSelectedBackground.BorderThickness = new Thickness(1, 1, 1, 0);
#endregion
}
}
/// <summary>
/// 加载RibbonBar子元素
/// </summary>
private void LoadItems()
{
if (Items != null)
{
double maxLeft = 0;
double maxTop = 0;
double centerTop = 0;
for (int i = 0; i < Items.Count; i++)
{
#region 添加TabButton，即RibbonBarItem
RibbonTabButton item = Items[i];
Point size = GetTextWidthHeight(item.Titel, item.txbtitel);
maxLeft += size.X;
item.txbtitel.Text = item.Titel;
item.Width = size.X + RibbonTabButton.OffsetWidth;
item.Height = RibbonTabContent.Height;
item.MouseLeftButtonDown += new MouseButtonEventHandler(item_MouseLeftButtonDown);
item.MouseEnter += new MouseEventHandler(item_MouseEnter);
item.MouseLeave += new MouseEventHandler(item_MouseLeave);
#endregion
#region 添加分隔符
if (i != 0)
{
Rectangle SplitLines = new Rectangle();
SplitLines.Height = 14;
SplitLines.Width = 2;
SplitLines.Margin = new Thickness(1, 10, 1, 0);
LinearGradientBrush _l = new LinearGradientBrush();
_l.StartPoint = new Point(0, 0.5);
_l.EndPoint = new Point(1, 0.5);
GradientStop _G1 = new GradientStop();
_G1.Color = Color.FromArgb(255, 8, 39, 99);
_G1.Offset = 0;
GradientStop _G2 = new GradientStop();
_G2.Color = Color.FromArgb(255, 8, 39, 99);
_G2.Offset = 0.5;
GradientStop _G3 = new GradientStop();
_G3.Color = Color.FromArgb(175, 255, 255, 255);
_G3.Offset = 0.5;
GradientStop _G4 = new GradientStop();
_G4.Color = Color.FromArgb(175, 255, 255, 255);
_G4.Offset = 1;
_l.GradientStops.Add(_G1);
_l.GradientStops.Add(_G2);
_l.GradientStops.Add(_G3);
_l.GradientStops.Add(_G4);
SplitLines.Fill = _l;
SplitLines.HorizontalAlignment = HorizontalAlignment.Left;
Canvas.SetLeft(SplitLines, maxLeft + tabButtonMargint / 2 - 2);
RibbonTabContent.Children.Add(SplitLines);
maxLeft += tabButtonMargint;
}
#endregion
Canvas.SetLeft(item, maxLeft);
RibbonTabContent.Children.Add(item);
//maxLeft += size.X+=4;
}
SetRibbonBarWidth(maxLeft + ContentMargin.Right + ContentMargin.Left);
}
}
/// <summary>
/// 加载tab控件的子元素
/// </summary>
/// <param name="source"></param>
private void LoadTabItems(RibbonTabButton source)
{
RibbonGroupPanel.Children.Clear();
ObservableCollection <RibbonButtonModel> tempSource = new ObservableCollection <RibbonButtonModel>();
#region 对数据进行分组
IEnumerable <RibbonButtonModel> groups = from hasChildGroup in source.Items
where hasChildGroup.Items.Count > 0
select hasChildGroup;
//获取拥有子元素的菜单
if (groups.Count() > 0)
{
foreach (var item in groups)
{
tempSource.Add(item);
}
}
IEnumerable <RibbonButtonModel> NaNitemgroups = from NanChildGroup in source.Items
where NanChildGroup.Items.Count <= 0
select NanChildGroup;
if (NaNitemgroups.Count() > 0)
{
//对不包含子元素的菜单进行重组
ObservableCollection <RibbonButtonModel> restructureGroup = new ObservableCollection <RibbonButtonModel>();
foreach (var item in NaNitemgroups)
{
restructureGroup.Add(item);
}
RibbonButtonModel nanItemModel = new RibbonButtonModel()
{
Titel = source.Titel, Items = restructureGroup
};
tempSource.Add(nanItemModel);
}
#endregion
//对分组以及重组后的集合进行按元素多少进行排序
IEnumerable <RibbonButtonModel> orderSource = from groupItem in tempSource
orderby groupItem.Items.Count descending
select groupItem;
double maxHeight = 0;
//WrapPanel GroupParent = new WrapPanel()
//{
// Orientation = Orientation.Vertical,
// Margin = new Thickness(5, 5, 5, 5),
// HorizontalAlignment = HorizontalAlignment.Center,
// VerticalAlignment = VerticalAlignment.Center
//};
StackPanel GroupParent = new StackPanel()
{
Orientation = Orientation.Horizontal,
Margin = new Thickness(5, 5, 5, 5),
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
};
foreach (RibbonButtonModel itemgroup in orderSource)
{
if (itemgroup.Items.Count > 0)
{
RibbonButtonGroup ribbongroups = AddGroup(itemgroup);
ribbongroups.Margin = _groupMargin;
if (maxHeight < ribbongroups.GroupHeight)
{
maxHeight = ribbongroups.GroupHeight;
}
GroupParent.Children.Add(ribbongroups);
}
}
double ParentHeight = maxHeight + 8;// groupMargin.Bottom + groupMargin.Top;// +contentHeightOffset;
GroupParent.Height = ParentHeight;
RibbonGroupPanel.Children.Add(GroupParent);
SetParentHeight(ParentHeight);
#region 页面分割栏
Rectangle SplitLines = new Rectangle();
SplitLines.Height = 3;
SplitLines.Fill = Application.Current.Resources["RibbonBarSplitLines1"] as Brush;
Canvas.SetLeft(SplitLines, -1);
Canvas.SetTop(SplitLines, -1.4);
RibbonGroupPanel.Children.Add(SplitLines);
#endregion
GroupParent.SizeChanged += (obj, arg) =>
{
RibbonGroupPanel.Width = arg.NewSize.Width + 12;
SplitLines.Width = arg.NewSize.Width + 12;
RibbonGroupParentPanel.Width = arg.NewSize.Width + 12;
};
}
