SilverLight企业应用框架设计【二】框架画面
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SilverLight企业应用框架设计【二】框架画面
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框架畫面分為上中下三層
由下面一個Grid控件完成布局
<Grid x:Name="LayoutRoot"><Grid.RowDefinitions><RowDefinition Height="60"></RowDefinition><RowDefinition Height="*"></RowDefinition><RowDefinition Height="22"></RowDefinition></Grid.RowDefinitions></Grid>上層為頂部菜單區域
中層為子菜單和業務畫面部分
下層為狀態欄和版權信息區域
下面我們分別看一下這三個部分的生成邏輯
一：頂部菜單區域
XAML代碼如下：
<StackPanel x:Name="TopMenuS" Orientation="Horizontal" Background="{StaticResource HeadBG}"><Grid><Grid.ColumnDefinitions><ColumnDefinition Width="10"></ColumnDefinition><ColumnDefinition Width="142"></ColumnDefinition><ColumnDefinition Width="10"></ColumnDefinition></Grid.ColumnDefinitions><Grid.RowDefinitions><RowDefinition Height="3"></RowDefinition><RowDefinition Height="18"></RowDefinition><RowDefinition Height="18"></RowDefinition><RowDefinition Height="18"></RowDefinition><RowDefinition Height="3"></RowDefinition></Grid.RowDefinitions><TextBlock x:Name="helloBlock" Grid.Column="1" Grid.Row="1" Text="xxxx通信" /><TextBlock x:Name="UserName" Text="Administrator" Grid.Column="1" Grid.Row="2" /><TextBlock Text="歡迎使用 xxx監控系統" Grid.Column="1" Grid.Row="3" /></Grid><Rectangle Width="1" Fill="{StaticResource HeadSplitor}"></Rectangle> <StackPanel><Button Style="{StaticResource ToolBtnStyle}" Content="全部關閉" Click="CloseAllClick"></Button><Button Style="{StaticResource ToolBtnStyle}" Content="關閉當前" Click="CloseCurClick"></Button><Button Style="{StaticResource ToolBtnStyle}" Content="關閉其他" Click="CloseOtherClick"></Button></StackPanel><Rectangle Width="1" Fill="{StaticResource HeadSplitor}"></Rectangle><StackPanel><Button Style="{StaticResource ToolBtnStyle}" Content="修改密碼" Click="ChangePSWBtnClick"></Button><Button Style="{StaticResource ToolBtnStyle}" Content="退出系統" Click="LoginOutBtnClick"></Button><Button Style="{StaticResource ToolBtnStyle}" Content="重新登錄" Click="ReLoginBtnClick"></Button></StackPanel><Rectangle Width="1" Fill="{StaticResource HeadSplitor}"></Rectangle></StackPanel>頂部菜單分為三部分
從左向右依次是
歡迎信息（GRID）
頂部菜單（動態創建）
常用按鈕（StackPanel)
頂部菜單的容器是一個StackPanel
此容器有一個漸變的背景色，樣式代碼如下
<!--頭部漸變背景--><LinearGradientBrush x:Key="HeadBG" StartPoint="0.5 0" EndPoint="0.5 1"><GradientStop Offset="0" Color="#FAFAFA"></GradientStop><GradientStop Offset="0.5" Color="#D6D6D6"></GradientStop></LinearGradientBrush>此容器每個部分都有一個Rectangle來分割
此Rectangle也有個漸變的背景，代碼如下
<!--頭部分隔條漸變背景--><LinearGradientBrush x:Key="HeadSplitor" StartPoint="0.5 0" EndPoint="0.5 1"><GradientStop Offset="0" Color="#FAFAFA"></GradientStop><GradientStop Offset="1" Color="#000000"></GradientStop></LinearGradientBrush>常用按鈕的樣式如下：
<!--頭部的 三分欄 工具按鈕樣式--><Style x:Key="ToolBtnStyle" TargetType="Button"><Style.Setters><Setter Property="Width" Value="90"></Setter><Setter Property="Height" Value="20"></Setter><Setter Property="Cursor" Value="Hand"></Setter><Setter Property="Template"><Setter.Value><ControlTemplate TargetType="Button"><Grid x:Name="Container"><vsm:VisualStateManager.VisualStateGroups><vsm:VisualStateGroup x:Name="CommonStates"><vsm:VisualState x:Name="MouseOver"><Storyboard><DoubleAnimation Storyboard.TargetName="fillColor" Storyboard.TargetProperty="Opacity" Duration="0" To="1"/></Storyboard></vsm:VisualState><vsm:VisualState x:Name="Normal" /></vsm:VisualStateGroup></vsm:VisualStateManager.VisualStateGroups><Rectangle x:Name="fillColor" Opacity="0" Fill="#B5B5B5" IsHitTestVisible="False" RadiusX="1" RadiusY="1"/><ContentPresenter x:Name="contentPresenter"Content="{TemplateBinding Content}"ContentTemplate="{TemplateBinding ContentTemplate}"VerticalAlignment="{TemplateBinding VerticalContentAlignment}"HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"Margin="{TemplateBinding Padding}"/></Grid></ControlTemplate></Setter.Value></Setter></Style.Setters></Style>動態創建頂部菜單的代碼如下
（大家先不要深究數據是怎么來的，在以后的章節咱們會講到數據交互的細節）
var tops = Common.ViewUtility.AllMenu.Where(m => m.ParentId == Guid.Empty).OrderByDescending(m => m.MenuOrder);foreach (var m in tops){var topM = new HeadBtn();topM.DataContext = m;topM.MouseLeftButtonUp += new MouseButtonEventHandler(topM_MouseLeftButtonUp);TopMenuS.Children.Insert(2,topM);}這里創建的HeadBtn是一個自定義的控件
（每個頂部菜單就是一個控件的實例）
該自定義控件XAML代碼如下：
<StackPanel Orientation="Horizontal" Cursor="Hand"><Grid x:Name="btn" Width="90" Height="60"><Grid.RowDefinitions><RowDefinition></RowDefinition><RowDefinition Height="20"></RowDefinition></Grid.RowDefinitions><Image Source="../Images/module2.png" Height="30"></Image><TextBlock Text="{Binding MenuName}" Grid.Row="1" FontSize="12"VerticalAlignment="Center" HorizontalAlignment="Center" ></TextBlock></Grid><Rectangle Width="1" Fill="{StaticResource HeadSplitor}"></Rectangle></StackPanel>注意，這里每個頂部菜單的ICO圖標不是動態的，朋友們，想讓他變成動態的就自己動手吧
為了實現美觀的效果
我為這個自定義控件定義了鼠標的滑入滑出事件
private void UserControl_MouseEnter(object sender, MouseEventArgs e){var color = Color.FromArgb(255,180, 180, 180);btn.Background = new SolidColorBrush(color);}private void UserControl_MouseLeave(object sender, MouseEventArgs e){btn.Background = new SolidColorBrush(Colors.Transparent);}這些顏色的值，本應該作為資源放在樣式文件中，我這里也沒有做處理
二：底部狀態條區域
此處比較簡單
代碼如下：
<StackPanel Width="Auto" Grid.Row="2" Background="#B5B5B5" Orientation="Horizontal" FlowDirection="RightToLeft"><TextBlock VerticalAlignment="Center" Text="V1.0.0 Copy Right ? All Rights Reserved"/><TextBlock VerticalAlignment="Center" Text="xxxx"/></StackPanel>1.我沒有做狀態信息的內容
2.版本信息應該通過Assambly獲取
三：中部區域
XAML代碼如下
<Border Grid.Row="1" BorderBrush="#B5B5B5" BorderThickness="0 1 0 0"><Grid Background="#E8E8E8" Margin="0 1 0 0" Name="CenterGrid"><Grid.ColumnDefinitions><ColumnDefinition Width="160"></ColumnDefinition><ColumnDefinition Width="*"></ColumnDefinition></Grid.ColumnDefinitions><StackPanel><sdk:Label Height="26" Background="#b5b5b5" Margin="0 6 0 6"FontWeight="Bold" FontSize="12" x:Name="lblMenuText" HorizontalAlignment="Center" Width="160" /><ListBox SelectionChanged="left_panel_SelectionChanged" ItemContainerStyle="{StaticResource ListBoxItemStyleNew}"Grid.Column="0" x:Name="left_panel" Background="#E8E8E8" BorderThickness="0"><ListBox.ItemTemplate><DataTemplate><ContentPresenter Content="{Binding MenuName}"></ContentPresenter></DataTemplate></ListBox.ItemTemplate></ListBox></StackPanel><sdk:TabControl x:Name="tbControl" SelectionChanged="tbControl_SelectionChanged" Grid.Column="1" Margin="0 6 0 0"></sdk:TabControl></Grid></Border>其中Label控件顯示的為頂部菜單的標題，標志著當前選中的是哪個頂部菜單
ListBox為子菜單控件
TabControl為業務畫面區域
四：子菜單區域
子菜單樣式相對復雜些
樣式代碼如下
<!--子菜單樣式--><Style TargetType="ListBoxItem" x:Key="ListBoxItemStyleNew" ><Setter Property="Padding" Value="3" /><Setter Property="HorizontalContentAlignment" Value="Center" /><Setter Property="VerticalContentAlignment" Value="Center" /><Setter Property="Background" Value="Transparent" /><Setter Property="BorderThickness" Value="1"/><Setter Property="TabNavigation" Value="Local" /><Setter Property="Template"><Setter.Value><ControlTemplate TargetType="ListBoxItem"><Grid Background="{TemplateBinding Background}"><vsm:VisualStateManager.VisualStateGroups><vsm:VisualStateGroup x:Name="CommonStates"><vsm:VisualState x:Name="Normal" /><vsm:VisualState x:Name="MouseOver"><Storyboard><DoubleAnimation Storyboard.TargetName="fillColor" Storyboard.TargetProperty="Opacity" Duration="0" To=".35"/></Storyboard></vsm:VisualState><vsm:VisualState x:Name="Disabled"><Storyboard><DoubleAnimation Storyboard.TargetName="contentPresenter" Storyboard.TargetProperty="Opacity" Duration="0" To=".55" /></Storyboard></vsm:VisualState></vsm:VisualStateGroup><vsm:VisualStateGroup x:Name="SelectionStates"><vsm:VisualState x:Name="Unselected" /><vsm:VisualState x:Name="Selected"><Storyboard><DoubleAnimation Storyboard.TargetName="fillColor2" Storyboard.TargetProperty="Opacity" Duration="0" To=".75"/></Storyboard></vsm:VisualState></vsm:VisualStateGroup><vsm:VisualStateGroup x:Name="FocusStates"><vsm:VisualState x:Name="Focused"><Storyboard><ObjectAnimationUsingKeyFrames Storyboard.TargetName="FocusVisualElement" Storyboard.TargetProperty="Visibility" Duration="0"><DiscreteObjectKeyFrame KeyTime="0"><DiscreteObjectKeyFrame.Value><Visibility>Visible</Visibility></DiscreteObjectKeyFrame.Value></DiscreteObjectKeyFrame></ObjectAnimationUsingKeyFrames></Storyboard></vsm:VisualState><vsm:VisualState x:Name="Unfocused"/></vsm:VisualStateGroup></vsm:VisualStateManager.VisualStateGroups><Rectangle x:Name="fillColor" Opacity="0" Fill="#B5B5B5" IsHitTestVisible="False" RadiusX="1" RadiusY="1"/><Rectangle x:Name="fillColor2" Opacity="0" Fill="#FFBADDE9" IsHitTestVisible="False" RadiusX="1" RadiusY="1"/><ContentPresenterx:Name="contentPresenter"Cursor="Hand"Content="{TemplateBinding Content}"ContentTemplate="{TemplateBinding ContentTemplate}"HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"Margin="{TemplateBinding Padding}"/><Rectangle x:Name="FocusVisualElement" Stroke="#FF6DBDD1" StrokeThickness="1" Visibility="Collapsed" RadiusX="1" RadiusY="1" /></Grid></ControlTemplate></Setter.Value></Setter></Style>這些樣式主要是為了實現如下效果
子菜單數據綁定非常簡單
（頂部菜單的單擊事件將綁定子菜單）
代碼如下：
void topM_MouseLeftButtonUp(object sender, MouseButtonEventArgs e){var tBTN = sender as HeadBtn;var tMenu = tBTN.DataContext as MenuM;lblMenuText.Content = tMenu.MenuName;var subs = Common.ViewUtility.AllMenu.Where(m => m.ParentId == tMenu.Id).OrderBy(m => m.MenuOrder);left_panel.ItemsSource = subs;}五：業務畫面區域
業務畫面的容器為TabControl
每個TabItem將承載一個業務畫面
主要是為TabItem增加關閉按鈕
XAML代碼如下：
<sdk:TabItem.HeaderTemplate><DataTemplate><StackPanel Orientation="Horizontal" Width="auto" Margin="0 0 -2 -2"><TextBlock x:Name="tboxheader" Text="{Binding}"/><Button Cursor="Hand" Click="CloseBTN_Click" Style="{StaticResource ListViewHeadBtnStyle}" Margin="3,-3,-6,0" Content="X" ></Button></StackPanel></DataTemplate></sdk:TabItem.HeaderTemplate></sdk:TabItem>這個關閉按鈕的樣式比較特殊
<!--標簽按鈕--><Style x:Key="ListViewHeadBtnStyle" TargetType="Button"><Style.Setters><Setter Property="Width" Value="20"></Setter><Setter Property="Height" Value="20"></Setter><Setter Property="Template"><Setter.Value><ControlTemplate TargetType="Button"><Grid x:Name="Container"><vsm:VisualStateManager.VisualStateGroups><vsm:VisualStateGroup x:Name="CommonStates"><vsm:VisualState x:Name="Normal" /><vsm:VisualState x:Name="MouseOver"><Storyboard><DoubleAnimation Storyboard.TargetName="fillColor" Storyboard.TargetProperty="Opacity" Duration="0" To=".35"/></Storyboard></vsm:VisualState></vsm:VisualStateGroup></vsm:VisualStateManager.VisualStateGroups><Rectangle x:Name="fillColor" Opacity="0" Fill="#B5B5B5" IsHitTestVisible="False" RadiusX="1" RadiusY="1"/><ContentPresenter x:Name="contentPresenter"Content="{TemplateBinding Content}"ContentTemplate="{TemplateBinding ContentTemplate}"VerticalAlignment="{TemplateBinding VerticalContentAlignment}"HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"Margin="{TemplateBinding Padding}"/></Grid></ControlTemplate></Setter.Value></Setter></Style.Setters></Style>關閉按鈕樣式主要為了實現如下效果
（鼠標滑上，關閉按鈕背景變灰色）
按鈕的單擊事件如下
private void CloseBTN_Click(object sender, RoutedEventArgs e){var tc = this.Parent as TabControl;tc.Items.Remove(this);}轉載于:https://www.cnblogs.com/liulun/archive/2012/01/04/2312482.html
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