ListView with ScrollViewer but no MouseWheelEvents - wpf

I have the following List:
These are ListView with Expanders as ListViewItems. The ListView itself is in a ScrollViewer to make the right scrolling behaviour.
My Problem is that the MouseWheel is not working on this List.
Here is the XAML:
<Window x:Class="ResourceListExpanderStyle.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:converter="clr-namespace:ResourceListExpanderStyle.Converter"
Title="MainWindow" Height="350" Width="525">
<Window.Resources>
<converter:DeviceTypeGroupToDeviceListConverter x:Key="DeviceTypeGroupToDeviceListConverter" />
<converter:IntegerToBrushConverter x:Key="IntegerToBrushConverter" />
</Window.Resources>
<DockPanel>
<ScrollViewer x:Name="ScrollViewer">
<ListView x:Name="OuterListView" ItemsSource="{Binding DeviceTypeGroupListByStation}" HorizontalContentAlignment="Stretch">
<ListView.ItemTemplate>
<DataTemplate>
<Expander Header="{Binding Path=NAME}" Background="{Binding Path=BACKCOLOR, Converter={StaticResource IntegerToBrushConverter}}">
<ListView x:Name="InnerListView" ItemsSource="{Binding Converter={StaticResource DeviceTypeGroupToDeviceListConverter}}" HorizontalContentAlignment="Stretch">
<ListView.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Path=NAME}" Background="{Binding Path=BACKCOLOR, Converter={StaticResource IntegerToBrushConverter}}" />
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
</Expander>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
</ScrollViewer>
</DockPanel>
Any Idea?

Related

How to add images to UserControl menu in Wpf

enter code here<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:EPOS.Desktop.View"
xmlns:vm="clr-namespace:EPOS.Desktop.ViewModel"
xmlns:UserControls="clr-namespace:EPOS.Desktop.UserControls"
xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core" xmlns:dxwui="http://schemas.devexpress.com/winfx/2008/xaml/windowsui" xmlns:dxn="http://schemas.devexpress.com/winfx/2008/xaml/navbar" x:Class="EPOS.Desktop.View.MainSaleUI"
mc:Ignorable="d"
Title="MainSaleUI"
Width="1046" Height="500" Left="500" Top="500"
Background="SkyBlue"
WindowStartupLocation="CenterScreen"
>
<Window.Resources>
<DataTemplate DataType="{x:Type vm:QeueOrdersViewViewModel}">
<UserControls:QeueOrders />
</DataTemplate>
<DataTemplate DataType="{x:Type vm:TillViewModel}">
<UserControls:TillUC/>
</DataTemplate>
<DataTemplate DataType="{x:Type vm:SettingViewModel}">
<UserControls:Settings/>
</DataTemplate>
</Window.Resources>
<Grid Margin="0,67,65,0">
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition Width="3*"/>
</Grid.ColumnDefinitions>
<ListBox x:Name="ListBoxMenu"
Grid.Column="0" Margin="5"
ItemsSource="{Binding Settings}"
SelectedIndex="0">
<ListBox.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Name}" Padding="10"/>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
<Border Grid.Column="1" Margin="5,5,10,5" BorderBrush="#FF7F9DB9" BorderThickness="1">
<ContentControl Content="{Binding ElementName=ListBoxMenu, Path=SelectedItem}" Margin="0,0,225,0"/>
</Border>
</Grid>
Blockquote
How to add images to User-control menu in Wpf. These are dynamic menus. Is there way to add images to every text?
I'm not sure about what you exactly want... assuming that you want to display some image right after /before the text on your listbox you can add an image property in your "settings" class (Binding of your Listbox's Itemsource) and change your listbox's datatemplate content with something like this :
<StackPanel>
<TextBlock Text="{Binding Name}" Padding="10"/>
<Image Source="{Binding Image }" />
</StackPanel>

WPF ContentControl DataTemplate not updating value

I have no idea what's happening here. When I bind directly to a TextBox the value can be edited, but I want to bind in a ContentControl.
Why doesn't the ContentControl update the ViewModel?
<Window x:Class="WTFWPF.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:WTFWPF"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:sys="clr-namespace:System;assembly=mscorlib"
Title="MainWindow"
Width="525"
Height="350"
DataContext="{DynamicResource ViewModel}"
mc:Ignorable="d">
<Window.Resources>
<local:MainViewModel x:Key="ViewModel" />
<DataTemplate DataType="{x:Type sys:Int32}">
<TextBox Text="{Binding Path=., UpdateSourceTrigger=PropertyChanged}" />
</DataTemplate>
</Window.Resources>
<StackPanel>
<TextBlock Margin="5" Text="{Binding Number}" />
<TextBox Margin="5" Text="{Binding Number, UpdateSourceTrigger=PropertyChanged}" />
<ContentControl Margin="5" Content="{Binding Number}" />
</StackPanel>
</Window>
This seem to work fine, not sure why your version doesn't work though.
<Window.Resources>
<wpfApplication1:MainViewModel x:Key="ViewModel" />
<DataTemplate x:Key="NumberTemplate">
<TextBox Text="{Binding Path=Number, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
</DataTemplate>
</Window.Resources>
<StackPanel>
<TextBlock Margin="5" Text="{Binding Number}" />
<TextBox Margin="5" Text="{Binding Number, UpdateSourceTrigger=PropertyChanged}" />
<ContentControl Margin="5"
Content="{Binding}"
ContentTemplate="{StaticResource NumberTemplate}" />
</StackPanel>
Another way of making it work is to change the binding in the template:
<TextBox Text="{Binding Path=DataContext.Number,
RelativeSource={RelativeSource AncestorType=ContentControl}, UpdateSourceTrigger=PropertyChanged}" />
Unfortunately I can't explain why your version doesn't work.

Switch datatemplate depending on a selected string value in combobox

Based on a selected string value in the combobox I want to either show red/blue datatempalte inside the grid.
Can this be done without a ContentControl?
<UserControl.Resources >
<DataTemplate x:Key="red">
<TextBox Text="red" />
</DataTemplate>
<DataTemplate x:Key="blue">
<TextBox Text="blue" />
</DataTemplate>
</UserControl.Resources>
<ComboBox ??? />
<Grid>
// Show red or blue datatemplate here
</Grid>
Why not use a ContentControl?
To make this work simply i would put the templates in an array, which the ComboBox then can bind to:
<x:Array x:Key="templates" Type="{x:Type DataTemplate}">
<DataTemplate>
<DataTemplate.Resources>
<sys:String x:Key="DisplayString">Red</sys:String>
</DataTemplate.Resources>
<TextBox Text="red" />
</DataTemplate>
<DataTemplate>
<DataTemplate.Resources>
<sys:String x:Key="DisplayString">Blue</sys:String>
</DataTemplate.Resources>
<TextBox Text="blue" />
</DataTemplate>
</x:Array>
<ComboBox Name="combo" ItemsSource="{StaticResource templates}">
<ComboBox.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Resources[DisplayString]}" />
</DataTemplate>
</ComboBox.ItemTemplate>
</ComboBox>
<Grid>
<ContentControl ContentTemplate="{Binding SelectedItem, ElementName=combo}" />
</Grid>

Dynamic Treeview Binding with XML file-XBAP Application

I have a XML file which has maximum three levels of child elements so i need to bind the file with TreeView in WPF for XBAP App Dynamically.
Do we need to use Hierarchical template or is there any other way to get easy binding..
for example:
<TriggerList>
<Trigger>
<TriggerName>trig1</TriggerName>
<TriggerSource>manual</TriggerSource>
<TriggerInfo>
<Alaramid>2312</Alaramid>
<Area>area1</Area>
<ToolType>OLF121</ToolType>
</TriggerInfo>
</Trigger>
</TriggerList>
I want to make this in tree view through Dynamic Binding ..
Answer is :
<UserControl x:Class="XTREAMSUI.UserControls.ExecutionList"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mvvm="clr-namespace:MvvmFoundation.Wpf;assembly=MvvmFoundation.Wpf"
mc:Ignorable="d"
d:DesignHeight="450" d:DesignWidth="230">
<UserControl.Resources>
<HierarchicalDataTemplate ItemsSource="{Binding RFCNameList}" x:Key="RFCTemplate">
<TextBlock Text="{Binding RFCName}" />
</HierarchicalDataTemplate>
<HierarchicalDataTemplate ItemsSource="{Binding RFCNameList}" x:Key="TriggerIDTemplate" ItemTemplate="{StaticResource RFCTemplate}">
<TextBlock Text="{Binding TriggerID}" IsEnabled="False"/>
</HierarchicalDataTemplate>
<HierarchicalDataTemplate ItemsSource="{Binding TriggerIDList}" x:Key="TriggerSourceTemplate" ItemTemplate="{StaticResource TriggerIDTemplate}">
<TextBlock Text="{Binding TriggerSource}" IsEnabled="False"/>
</HierarchicalDataTemplate>
<HierarchicalDataTemplate ItemsSource="{Binding TriggerList}" x:Key="TriggerTemplate" ItemTemplate="{StaticResource TriggerSourceTemplate}">
<TextBlock Text="{Binding HostMachineName}" IsEnabled="False"/>
</HierarchicalDataTemplate>
<Style TargetType="TreeViewItem">
<Setter Property="IsExpanded" Value="True" />
</Style>
</UserControl.Resources>
<Grid Name="gridExecutionlst" IsEnabled="{Binding IsExecutionListEnabled, Mode=TwoWay}">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<!--<TreeView Grid.Row="0" Name="treeviewExecutionList" Height="400" Width="200" ItemsSource="{Binding TriggerListXML}" ItemTemplate="{StaticResource dataTemplateExecutionList}"></TreeView>-->
<TreeView Name="treeviewExecutionList" Height="450" Width="230" FontWeight="Normal" ItemsSource="{Binding Path=TriggerList,Mode=TwoWay}" ItemTemplate="{StaticResource TriggerTemplate}">
<mvvm:CommandBehaviorCollection.Behaviors>
<mvvm:BehaviorBinding Command="{Binding ListBoxCommand}" Event="MouseDoubleClick" CommandParameter="{Binding ElementName=treeviewExecutionList, Path=SelectedItem}"/>
</mvvm:CommandBehaviorCollection.Behaviors>
</TreeView>
</Grid>
</UserControl>
Answer is :
`
<HierarchicalDataTemplate ItemsSource="{Binding RFCNameList}" x:Key="RFCTemplate">
<TextBlock Text="{Binding RFCName}" />
</HierarchicalDataTemplate>
<HierarchicalDataTemplate ItemsSource="{Binding RFCNameList}" x:Key="TriggerIDTemplate" ItemTemplate="{StaticResource RFCTemplate}">
<TextBlock Text="{Binding TriggerID}" IsEnabled="False"/>
</HierarchicalDataTemplate>
<HierarchicalDataTemplate ItemsSource="{Binding TriggerIDList}" x:Key="TriggerSourceTemplate" ItemTemplate="{StaticResource TriggerIDTemplate}">
<TextBlock Text="{Binding TriggerSource}" IsEnabled="False"/>
</HierarchicalDataTemplate>
<HierarchicalDataTemplate ItemsSource="{Binding TriggerList}" x:Key="TriggerTemplate" ItemTemplate="{StaticResource TriggerSourceTemplate}">
<TextBlock Text="{Binding HostMachineName}" IsEnabled="False"/>
</HierarchicalDataTemplate>
<Style TargetType="TreeViewItem">
<Setter Property="IsExpanded" Value="True" />
</Style>
<TreeView Name="treeviewExecutionList" Height="450" Width="230" FontWeight="Normal" ItemsSource="{Binding Path=TriggerList,Mode=TwoWay}" ItemTemplate="{StaticResource TriggerTemplate}">
<mvvm:CommandBehaviorCollection.Behaviors>
<mvvm:BehaviorBinding Command="{Binding ListBoxCommand}" Event="MouseDoubleClick" CommandParameter="{Binding ElementName=treeviewExecutionList, Path=SelectedItem}"/>
</mvvm:CommandBehaviorCollection.Behaviors>
</TreeView>

Are recursive DataTemplates possible?

I have a class something like:
public class Section
{
private IEnumerable<Section> sections;
private IEnumerable<KeyValuePair<string, string>> attributes
public string Name {get;set;}
public IEnumerable<Section> Sections
{
get {return sections;}
}
public IEnumerable<KeyValuePair<string, string>> Attributes
{
get {return attributes;}
}
public Section(...)
{
//constructor logic
}
}
Which is contained in another class, lets call it OtherClass for sake of argument, that wraps around it and is used in WPF in an ObjectDataProvider.
As you can see, an instance of Section can contain many other instances of Section.
Is there a way in XAML to create a template that deals with this recursion?
This is what I've got so far:
<UserControl x:Class="OtherClassEditor"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:OtherClassNS="clr-namespace:NameSpace"
Height="300" Width="300">
<UserControl.Resources>
<ObjectDataProvider ObjectType="{x:Type OtherClassNS:OtherClass}" x:Key="ViewModel" />
<DataTemplate x:Key="listViewAttr">
<WrapPanel>
<TextBlock Text="{Binding Path=Key}"></TextBlock><TextBlock Margin="0,0,4,0">: </TextBlock>
<TextBlock Text="{Binding Path=Value}"></TextBlock>
</WrapPanel>
</DataTemplate>
<DataTemplate x:Key="listViewSection">
<StackPanel>
<WrapPanel Margin="0,0,0,8">
<TextBlock Margin="0,0,4,0">Section:</TextBlock>
<TextBlock Text="{Binding Path=Name}"/>
</WrapPanel>
</StackPanel>
</DataTemplate>
<DataTemplate x:Key="listViewData">
<StackPanel>
<WrapPanel Margin="0,0,0,8">
<TextBlock Margin="0,0,4,0">Section: </TextBlock>
<TextBlock Text="{Binding Path=Name}"/>
<ListView DataContext="{Binding Path=Sections}" ItemTemplate="{StaticResource listViewSection}" ItemsSource="{Binding Sections}">
</ListView>
<ListView DataContext="{Binding Path=Attributes}" ItemsSource="{Binding Attributes}" ItemTemplate="{StaticResource listViewAttr}">
</ListView>
</WrapPanel>
</StackPanel>
</DataTemplate>
</UserControl.Resources>
<Grid>
<ListView DataContext="{StaticResource ViewModel}" ItemTemplate="{StaticResource listViewData}" ItemsSource="{Binding Sections}">
</ListView>
</Grid>
</UserControl>
But I can't get recursion, as a DataTemplate can only reference one that is declared before it.
Can this be done in XAML? If so, how? Is this something that I'll have to do in code behind?
Are DataTemplates even the way to go? Is there a better way to display and edit this data?
In case anyone needs to see how to do this without using an HierarchicalDataTemplate:
<UserControl x:Class="OtherClassEditor"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:OtherClassNS="clr-namespace:NameSpace"
Height="300" Width="300">
<UserControl.Resources>
<ObjectDataProvider ObjectType="{x:Type OtherClassNS:OtherClass}" x:Key="ViewModel" />
<DataTemplate x:Key="listViewAttr">
<WrapPanel>
<TextBlock Text="{Binding Path=Key}"></TextBlock>
<TextBlock Margin="0,0,4,0">: </TextBlock>
<TextBlock Text="{Binding Path=Value}"></TextBlock>
</WrapPanel>
</DataTemplate>
<DataTemplate x:Key="listViewData">
<StackPanel>
<WrapPanel Margin="0,0,0,8">
<TextBlock Margin="0,0,4,0">Section: </TextBlock>
<TextBlock Text="{Binding Path=Name}"/>
</WrapPanel>
<ListView ItemTemplate="{DynamicResource listViewData}" ItemsSource="{Binding Sections}" />
<ListView ItemsSource="{Binding Attributes}" ItemTemplate="{StaticResource listViewAttr}" />
</StackPanel>
</DataTemplate>
</UserControl.Resources>
<Grid>
<ListView DataContext="{StaticResource ViewModel}" ItemTemplate="{DynamicResource listViewData}" ItemsSource="{Binding Sections}">
</ListView>
</Grid>
</UserControl>
This gets me basically what I want.
The main change is as Dan Bryant suggested: changing the ItemTemplate to use a Dynamic rather than static resource for the recursive object (Section).
Perhaps I'm misunderstanding your scenario, but is HierarchicalDataTemplate what you're looking for?

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