enhance configitem search

Venus/Venus_MainPages/ViewModels/SystemConfigViewModel.cs

@@ -108,7 +108,7 @@ namespace Venus_MainPages.ViewModels
         {
             List<string> searchResultList = new List<string>();
             //如果输入框为空，不显示提示词，并展开左侧栏
-            if (string.IsNullOrEmpty((string)searchConfigItem))
+            if (string.IsNullOrEmpty((string)searchConfigItem) || searchConfigItem.ToString().Length<3)
             {
                 ConfigNodes = SystemConfigProvider.Instance.GetConfigTree().SubNodes;
                 SearchListBoxShow = Visibility.Hidden;

Venus/Venus_MainPages/Views/SystemConfigView.xaml

@@ -99,8 +99,8 @@
     <Grid>
         <Grid.ColumnDefinitions>
             <ColumnDefinition MinWidth="300" Width="Auto"/>
-            <ColumnDefinition/>
-            <ColumnDefinition/>
+            <ColumnDefinition Width="Auto"/>
+            <ColumnDefinition MinWidth="200"/>
         </Grid.ColumnDefinitions>
 
         <Border BorderBrush="{DynamicResource Table_BD}" BorderThickness="1" Background="{DynamicResource Table_BG_Content}" Padding="5,1">
@@ -228,6 +228,7 @@
         <Grid Grid.Column="2"  Margin="5,0,0,0">
 
             <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="50"/>
                 <ColumnDefinition Width="auto"/>
                 <ColumnDefinition Width="auto"/>
                 <ColumnDefinition Width="*" />
@@ -236,7 +237,8 @@
                 <RowDefinition Height="auto"/>
                 <RowDefinition Height="auto"/>
             </Grid.RowDefinitions>
-            <TextBox x:Name="SearchTextBox" Grid.Column="0" BorderBrush="{DynamicResource Table_BG_FirstTitle}" BorderThickness="1" Background="White" Width="370"
+            <TextBlock Grid.Column="0" VerticalAlignment="Center">search:</TextBlock>
+            <TextBox x:Name="SearchTextBox" Grid.Column="1" BorderBrush="{DynamicResource Table_BG_FirstTitle}" BorderThickness="1" Background="White" Width="370"
                              HorizontalAlignment="Stretch" HorizontalContentAlignment="Left" VerticalAlignment="Stretch" VerticalContentAlignment="Center" Height="25"
                              Text="{Binding SearchText ,Delay=0, Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}">
                 <i:Interaction.Triggers>
@@ -247,7 +249,7 @@
             </TextBox>
             <!--<Button Grid.Column="1" Content="Search" Width="80" Height="25" Margin="5,0,0,0" Command="{Binding SearchCommand}" CommandParameter="{Binding Path=Text, ElementName=SearchTextBox}"></Button>-->
 
-            <Border Grid.Row="1" BorderBrush="{DynamicResource Table_BD}" BorderThickness="1" Background="{DynamicResource Table_BG_Content}" Padding="5,1" Visibility="{Binding SearchListBoxShow}">
+            <Border Grid.Column="1" Grid.Row="1" BorderBrush="{DynamicResource Table_BD}" BorderThickness="1" Background="{DynamicResource Table_BG_Content}" Padding="5,1" Visibility="{Binding SearchListBoxShow}">
                 <Grid>
                     <ListBox x:Name="PART_LIST_SEARCH" Margin="5" ItemsSource="{Binding SearchResultCollection}" Width="350"
                            VirtualizingPanel.IsVirtualizing="True" VirtualizingPanel.VirtualizationMode="Recycling"
@@ -280,7 +282,7 @@
                 Placement="Bottom"
                 StaysOpen="True">
 
-                <Border Grid.Row="1" BorderBrush="{DynamicResource Table_BD}" BorderThickness="1" Background="{DynamicResource Table_BG_Content}" Padding="5,1">
+                <Border Grid.Column="1" Grid.Row="1" BorderBrush="{DynamicResource Table_BD}" BorderThickness="1" Background="{DynamicResource Table_BG_Content}" Padding="5,1">
                     <ListBox x:Name="PART_LIST_SEARCH1" Margin="5" ItemsSource="{Binding SearchResultCollection}" Width="350"
                        VirtualizingPanel.IsVirtualizing="True" VirtualizingPanel.VirtualizationMode="Recycling"
                                  ScrollViewer.HorizontalScrollBarVisibility="Auto" MaxHeight="215">