4.CheckBoxとVisibility
戻るCheckBox
チェックをはずすとボタンとテキストボックスが消え、チェックを付けると表示される機能です。画面は下記の通りです。
チェックした時
クリックすると拡大します
チェックをはずした時
クリックすると拡大します
下記がボタン、チェックボックス、テキストボックスの定義です。
View
<CheckBox Content="IsVisible" Foreground="White" Width="70" Height="18" Margin="106,117,0,0"
HorizontalAlignment="Left" VerticalAlignment="Top"
IsChecked="{Binding IsTextBoxVisible, UpdateSourceTrigger=PropertyChanged}"/>
<Button Command="{Binding Path=SearchInquiryClearCommand}" Content="Button"
Visibility="{Binding IsTextBoxVisible, Converter={StaticResource BoolToVisibility}}"
IsEnabled="{Binding ButtCancelEnabled}" Margin="106,63,0,0"
HorizontalAlignment="Left" VerticalAlignment="Top" BorderBrush="{x:Null}" Foreground="White" Width="177" Height="32">
<Button.Style>
<Style TargetType="{x:Type Button}">
<Setter Property="Background" Value="DarkGreen"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border Background="{TemplateBinding Background}">
<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="DarkGoldenrod"/>
</Trigger>
</Style.Triggers>
</Style>
</Button.Style>
</Button>
<TextBox Width="70" Height="23" Margin="106,154,0,0"
HorizontalAlignment="Left" VerticalAlignment="Top"
Visibility="{Binding IsTextBoxVisible, Converter={StaticResource BoolToVisibility}}"/>
下記がフルコードです。
View
<ccl:CustomChromeWindow
x:Class="LivetWPFChromeHelpDesk1.Views.Window2"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:shell="http://schemas.microsoft.com/winfx/2006/xaml/presentation/shell"
xmlns:ccl="clr-namespace:CustomChromeLibrary;assembly=CustomChromeLibrary"
xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
xmlns:ei="http://schemas.microsoft.com/expression/2010/interactions"
xmlns:l="http://schemas.livet-mvvm.net/2011/wpf"
xmlns:core="clr-namespace:Microsoft.Expression.Interactivity.Core;assembly=Microsoft.Expression.Interactions"
xmlns:v="clr-namespace:LivetWPFChromeHelpDesk1.Views"
xmlns:vm="clr-namespace:LivetWPFChromeHelpDesk1.ViewModels"
WindowStartupLocation="CenterScreen"
Title="Window2"
Height="714" Width="1035">
<shell:WindowChrome.WindowChrome>
<shell:WindowChrome
ResizeBorderThickness="6"
CaptionHeight="43"
CornerRadius="0,0,0,0"
GlassFrameThickness="0">
</shell:WindowChrome>
</shell:WindowChrome.WindowChrome>
<Window.Resources>
<ResourceDictionary>
<vm:CaptionButtonRectToMarginConverter x:Key="CaptionButtonMarginConverter"/>
<BooleanToVisibilityConverter x:Key="BoolToVisibility"/>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="/Resources/Styles2.xaml"/>
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Window.Resources>
<Window.DataContext>
<vm:ViewModel2/>
</Window.DataContext>
<i:Interaction.Triggers>
<!--WindowのContentRenderedイベントのタイミングでViewModelのInitializeメソッドが呼ばれます-->
<i:EventTrigger EventName="ContentRendered">
<l:LivetCallMethodAction MethodTarget="{Binding}" MethodName="Initialize"/>
</i:EventTrigger>
<!-- 下記がないと、タスクバーが1つにならない -->
<i:EventTrigger EventName="Loaded">
<i:InvokeCommandAction Command="{Binding Path=Loaded}"
CommandParameter="{Binding Mode=OneTime,RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type Window}}}"/>
</i:EventTrigger>
<!--
<i:EventTrigger EventName="Closing">
<i:InvokeCommandAction Command="{Binding Path=Closing}"
CommandParameter="{Binding Mode=OneTime,RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type Window}}}"/>
</i:EventTrigger>
<l:InteractionMessageTrigger MessageKey="Close" Messenger="{Binding Messenger}">
<l:WindowInteractionMessageAction/>
</l:InteractionMessageTrigger>
-->
</i:Interaction.Triggers>
<!-- Grid-1 -->
<Grid>
<!-- WindowChrome Start -->
<Border Grid.RowSpan="2" BorderThickness="3" BorderBrush="Black">
<Border.Background>
<LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
<GradientStop Color="Black" Offset="0" />
<GradientStop Color="Black" Offset="1" />
</LinearGradientBrush>
</Border.Background>
</Border>
<Border BorderThickness="3,3,3,1" BorderBrush="Black" Margin="{Binding Path=CaptionButtonMargin}">
<Border.Background>
<LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
<GradientStop Color="Black" Offset="0" />
<GradientStop Color="Black" Offset="1" />
</LinearGradientBrush>
</Border.Background>
<!--Window Icon and Title-->
<StackPanel Orientation="Horizontal" Margin="0" VerticalAlignment="Top">
<TextBlock Text=" Help Desk" FontFamily="Calibri" FontWeight="Bold" FontSize="26" Foreground="Blue" />
</StackPanel>
</Border>
<ccl:CaptionButtons />
<!-- WindowChrome End -->
<!-- Grid-2 -->
<!--Content-->
<Grid Grid.Row="1">
<!-- ★★★ -->
<TextBox Text="{Binding Path=txt本日}" TextAlignment="Center"
Foreground="White" Background="Black"
Height="17" HorizontalAlignment="Center" Name="txt本日"
VerticalAlignment="Top" Width="81" Margin="809,3,123,0" />
<CheckBox Content="IsVisible" Foreground="White" Width="70" Height="18" Margin="106,117,0,0"
HorizontalAlignment="Left" VerticalAlignment="Top"
IsChecked="{Binding IsTextBoxVisible, UpdateSourceTrigger=PropertyChanged}"/>
<Button Command="{Binding Path=SearchInquiryClearCommand}" Content="Button"
Visibility="{Binding IsTextBoxVisible, Converter={StaticResource BoolToVisibility}}"
IsEnabled="{Binding ButtCancelEnabled}" Margin="106,63,0,0"
HorizontalAlignment="Left" VerticalAlignment="Top" BorderBrush="{x:Null}" Foreground="White" Width="177" Height="32">
<Button.Style>
<Style TargetType="{x:Type Button}">
<Setter Property="Background" Value="DarkGreen"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border Background="{TemplateBinding Background}">
<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="DarkGoldenrod"/>
</Trigger>
</Style.Triggers>
</Style>
</Button.Style>
</Button>
<TextBox Width="70" Height="23" Margin="106,154,0,0"
HorizontalAlignment="Left" VerticalAlignment="Top"
Visibility="{Binding IsTextBoxVisible, Converter={StaticResource BoolToVisibility}}"/>
<!-- ★★★ -->
</Grid>
</Grid>
</ccl:CustomChromeWindow>
ViewModelは下記の通りです。
ViewModel
using System;
// ObservableCollection
using System.Collections.Generic;
using System.Linq;
//INotifyPropertyChanged
//PropertyChanged
using System.ComponentModel;
//参照設定が必要
//using System.Configuration;
using Livet;
using Livet.Commands;
using Livet.Messaging;
//CloseCommand
using Livet.Messaging.Windows;
//using Livet.Messaging.IO;
//using Livet.EventListeners;
//ICommand
using System.Windows.Input;
//MessageBox
using System.Windows;
// ListCollectionView
using System.Windows.Data;
using LivetWPFChromeHelpDesk1.Views;
using LivetWPFChromeHelpDesk1.ViewModels;
namespace LivetWPFChromeHelpDesk1.ViewModels
{
class ViewModel2 : ViewModel
{
#region 変更通知プロパティ
//-----------------------------------------------
public string txt本日 { get; set; }
private bool isTextBoxVisible;
public bool IsTextBoxVisible
{
get { return isTextBoxVisible; }
set
{
isTextBoxVisible = value;
RaisePropertyChanged("IsTextBoxVisible");
}
}
//-----------------------------------------------
#endregion
Window win = null;
public ViewModel2()
{
Loaded = new Livet.Commands.ListenerCommand<Window>((w) =>
{
if (NeedHideOwner && w.Owner != null && w.Owner.Visibility == Visibility.Visible)
{
win = w;
//w.Owner.Hide();
}
});
//Initialize()では表示されない
txt本日 = Convert.ToString(DateTime.Today.ToShortDateString());
//----------------------
IsTextBoxVisible = true;
//----------------------
}
public bool NeedHideOwner { get; set; }
public ICommand Loaded { get; private set; }
public void Initialize()
{
if (win != null) win.Owner.Hide();
}
#region CloseCommand
private ViewModelCommand _CloseCommand;
public ViewModelCommand CloseCommand
{
get
{
if (_CloseCommand == null)
{
_CloseCommand = new ViewModelCommand(Close);
}
return _CloseCommand;
}
}
public void Close()
{
var window = Application.Current.Windows.OfType<Window>().SingleOrDefault((w) => w.IsActive);
window.Close();
}
#endregion
}
}