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WPF 学习《一》

ListView显示复选框和下拉框


上代码，此列表显示checkbox、下拉框 和支持内置搜索。列表设置了一些简单的样式。内置搜索功能可以搜索但是不知道怎么得到搜索出来的结果，还需要继续研究。都是网上搜索结合自己需求整理而成，感觉适合新手看 ^ .^ 

public class VersionField
{
	public int X { get; set; }
	public int Y { get; set; }
	public int Z { get; set; }

	public VersionField(int x, int y, int z)
	{
		X = x;
		Y = y;
		Z = z;
	}

	public VersionField(string version)
	{
		FromVersion(version);
	}

	public static string ToString(string version)
	{
		string y = version.Substring(version.Length - 5, 2);
		string z = version.Substring(version.Length - 3);
		string x = version.Substring(0, version.Length - z.Length - y .Length);

		string ver = "V" + x + "." + y + "." + z;
		return ver;
	}

	public bool FromVersion(string version)
	{
		if (version == null || version == "" || !version.StartsWith("V"))
		{
			X = 0;
			Y = 0;
			Z = 0;
			return false;
		}

		version = version.Substring(1);
		int xpos = version.IndexOf(".");
		if (xpos < 0)
		{
			return false;
		}

		try
		{
			string xver = version.Substring(0, xpos);
			X = int.Parse(xver);
		}
		catch
		{
			return false;
		}

		int ypos = version.IndexOf(".", xpos + 1);
		if (ypos < 0)
		{
			return false;
		}
		try
		{
			string yver = version.Substring(xpos + 1, ypos - xpos - 1);
			Y = int.Parse(yver);
		}
		catch
		{
			return false;
		}

		int zpos = version.IndexOf(".", ypos + 1);
		if (zpos > 0)
		{
			return false;
		}
		try
		{
			string zver = version.Substring(ypos + 1);
			Z = int.Parse(zver);
		}
		catch
		{
			return false;
		}

		return true;
	}

	public static string GetX(string version)
	{
		if (!ValidVersion(version))
		{
			return null;
		}

		int xpos = version.IndexOf(".");
		string ver = version.Substring(1, xpos - 1);
		return ver;
	}

	public static bool ValidVersion(string version)
	{
		if (version == null || version == "" || !version.StartsWith("V"))
		{
			return false;
		}

		version = version.Substring(1);
		int xpos = version.IndexOf(".");
		if (xpos < 0)
		{
			return false;
		}

		try
		{
			string xver = version.Substring(0, xpos);
			int x = int.Parse(xver);
		}
		catch
		{
			return false;
		}

		int ypos = version.IndexOf(".", xpos + 1);
		if (ypos < 0)
		{
			return false;
		}
		try
		{
			string yver = version.Substring(xpos + 1, ypos - xpos - 1);
			int y = int.Parse(yver);
		}
		catch
		{
			return false;
		}

		int zpos = version.IndexOf(".", ypos + 1);
		if (zpos > 0)
		{
			return false;
		}
		try
		{
			string zver = version.Substring(ypos + 1);
			int z = int.Parse(zver);
		}
		catch
		{
			return false;
		}

		return true;
	}
}
public class SoftObservableObject : INotifyPropertyChanged
{
	public event PropertyChangedEventHandler PropertyChanged;

	protected void RaisePropertyChang
	ed(string propertyName)
	{
		if (PropertyChanged != null)
		{
			PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
		}
	}
}

public class SoftwareData : SoftObservableObject
{
	public string Name { get; set; }
	public ObservableCollection<string> Versions { get; set; }
	public string SelectedVer { get; set; }
	public Dictionary<string, string> VerPath { get; set; }
	public bool IsCheck { get; set; }
	public bool IsEnabled { get; set; }

	public SoftwareData(string name, List<string> versions, Dictionary<string, string> verPath, bool isChecked, bool isEnabled = true)
	{
		Name = name;
		OrderVerion(versions);
		Versions = new ObservableCollection<string>(versions);
		if (Versions != null && Versions.Count > 0)
		{
			SelectedVer = Versions[0];
		}
		VerPath = verPath;
		IsCheck = isChecked;
		IsEnabled = isEnabled;
	}

	public bool IsChecked
	{
		get
		{
			return IsCheck;
		}
		set
		{
			if (IsCheck != value)
			{
				IsCheck = value;

				RaisePropertyChanged(nameof(IsChecked));
			}
		}
	}

	//对V1.01.001进行拆分各个部分进行对比排序
	public List<string> OrderVerion(List<string> versions)
	{
		List<long> newvers = new List<long>();
		foreach (string ver in versions)
		{
			if (!VersionField.ValidVersion(ver))
			{
				continue;
			}
			string subver = ver.Substring(1).Replace(".", "");
			newvers.Add(long.Parse(subver));
		}

		Sort(ref newvers);

		versions.Clear();
		foreach (long dver in newvers)
		{
			versions.Add(VersionField.ToString(dver.ToString()));
		}

		return versions;
	}

	public void Sort(ref List<long> list)
	{
		int i = 0, j = 1;
		long temp;
		bool done = false;
		while ((j < list.Count) && (!done))
		{
			done = true;
			for (i = 0; i < list.Count - j; ++i)
			{
				if (list[i] < list[i + 1])
				{
					done = false;
					temp = list[i];
					list[i] = list[i + 1];
					list[i + 1] = temp;
				}
			}
			++j;
		}
	}
}

public ObservableCollection<SoftwareData> TargetSource { get; set; }

private void OnViewFilter(object sender, FilterEventArgs e)
{
	if (!string.IsNullOrEmpty(txtFilter.Text))
	{
		e.Accepted = (e.Item as SoftwareData).Name.Contains(txtFilter.Text);
	}
}

private void txtFilter_TextChanged(object sender, TextChangedEventArgs e)
{
	(FindResource("ViewSource") as CollectionViewSource).View.Refresh();
}
<!--TargetSource原始数据-->
<Window.Resources>
  <CollectionViewSource x:Key="ViewSource" Filter="OnViewFilter" Source="{Binding TargetSource}"/>
</Window.Resources>

<!--设置背景图片-->
<Grid.Background>
	<ImageBrush x:Name="listGridBackground" ImageSource="{Binding BG2Path, Mode=TwoWay}" Stretch="UniformToFill"/>
</Grid.Background>

<!--搜索框-->
<TextBox Grid.Row="0" Name="txtFilter" FontSize="20"
		 VerticalContentAlignment="Center"
		 TextChanged="txtFilter_TextChanged">
	<TextBox.Resources>
		<VisualBrush x:Key="HelpBrush" TileMode="None" Opacity="1.0" Stretch="None" AlignmentX="Center" AlignmentY="Center">
			<VisualBrush.Visual>
				<Grid Background="WhiteSmoke">
					<TextBlock FontStyle="Normal" FontSize="16" Opacity="0.8" Text="车型ID搜索栏"/>
				</Grid>
			</VisualBrush.Visual>
		</VisualBrush>
	</TextBox.Resources>
	<TextBox.Style>
		<Style TargetType="TextBox">
			<Style.Triggers>
				<Trigger Property="Text" Value="{x:Null}">
					<Setter Property="Background" Value="{StaticResource HelpBrush}"/>
				</Trigger>
				<Trigger Property="Text" Value="">
					<Setter Property="Background" Value="{StaticResource HelpBrush}"/>
				</Trigger>
			</Style.Triggers>
		</Style>
	</TextBox.Style>
</TextBox>

<Grid Grid.Row="1">
	<Grid.ColumnDefinitions>
		<ColumnDefinition Width="*"/>
		<ColumnDefinition Width="*"/>
	</Grid.ColumnDefinitions>

	<Grid Grid.Column="0" x:Name="column0"/>
	<Grid Grid.Column="1" x:Name="column1"/>

	<ListView x:Name="listboxFileChangedRecord" Grid.ColumnSpan="2"
			  ScrollViewer.HorizontalScrollBarVisibility="Hidden"
			  ScrollViewer.VerticalScrollBarVisibility="Auto"
			  Opacity="0.9" ItemsSource="{Binding Source={StaticResource ViewSource}}" 
			  AlternationCount="5">

		<ListView.View>
			<GridView>
				<GridView.ColumnHeaderContainerStyle>
					<Style TargetType="GridViewColumnHeader">
						<Setter Property="HorizontalContentAlignment" Value="Left"/>
						<Setter Property="VerticalContentAlignment" Value="Center"/>
						<Setter Property="Background" Value="DarkCyan"/>
						<Setter Property="BorderThickness" Value="1"/>
						<Setter Property="BorderBrush" Value="DarkCyan"/>
					</Style>
				</GridView.ColumnHeaderContainerStyle>

				<GridViewColumn Header="软件ID" Width="{Binding ElementName=column0,Path=ActualWidth}">
					<GridViewColumn.HeaderTemplate>
						<DataTemplate>
							<Grid>
								<CheckBox MinHeight="35" Content="软件ID"
										  Foreground="BlueViolet" FontWeight="Bold" FontSize="24"
										  VerticalContentAlignment="Center"
										  HorizontalContentAlignment="Left"
										  Click="CbListHeaderChecker_Click"/>
							</Grid>
						</DataTemplate>
					</GridViewColumn.HeaderTemplate>

					<GridViewColumn.CellTemplate>
						<DataTemplate>
							<CheckBox IsChecked="{Binding IsChecked, Mode=TwoWay}" Width="auto"
									  IsEnabled="{Binding IsEnabled}" FontSize="20"
									  VerticalAlignment="Center" HorizontalAlignment="Left"
									  VerticalContentAlignment="Center"
									  Checked="CbListItemChecker_Checked"
									  Unchecked="CbListItemChecker_Unchecked">
								<ContentPresenter Content="{Binding Name, Mode=TwoWay}" RecognizesAccessKey="False"/>
							</CheckBox>
						</DataTemplate>
					</GridViewColumn.CellTemplate>
				</GridViewColumn>

				<GridViewColumn Width="{Binding ElementName=column1,Path=ActualWidth}">
					<GridViewColumn.HeaderTemplate>
						<DataTemplate>
							<Grid>
								<TextBlock Grid.Column="0" Text="版本"
										   Foreground="BlueViolet" FontWeight="Bold" FontSize="20"
										   VerticalAlignment="Bottom" HorizontalAlignment="Left"
										   TextAlignment="Left"/>
							</Grid>
						</DataTemplate>
					</GridViewColumn.HeaderTemplate>

					<GridViewColumn.CellTemplate>
						<DataTemplate>
							<Grid>
								<ComboBox VerticalAlignment="Center" VerticalContentAlignment="Center"
										  HorizontalAlignment="Left" Margin="2" MinWidth="120"
										  FontSize="16" ItemsSource="{Binding Versions}"
										  SelectedValue="{Binding SelectedVer, Mode=TwoWay}"
										  SelectedIndex="0"/>
							</Grid>
						</DataTemplate>
					</GridViewColumn.CellTemplate>
				</GridViewColumn>
			</GridView>
		</ListView.View>

		<ListView.ItemContainerStyle>
			<Style TargetType="ListViewItem">
				<Style.Triggers>
					<Trigger Property="ListView.AlternationIndex" Value="0">
						<Setter Property="Background" Value="White"/>
						<Setter Property="HorizontalContentAlignment" Value="Left"/>
						<Setter Property="VerticalContentAlignment" Value="Center"/>
					</Trigger>
					<Trigger Property="ListView.AlternationIndex" Value="1">
						<Setter Property="Background" Value="LightGray"/>
						<Setter Property="HorizontalContentAlignment" Value="Left"/>
						<Setter Property="VerticalContentAlignment" Value="Center"/>
					</Trigger>
				</Style.Triggers>
			</Style>
		</ListView.ItemContainerStyle>
	</ListView>
</Grid>

悦读

道可道，非常道；名可名，非常名。 无名，天地之始，有名，万物之母。 故常无欲，以观其妙，常有欲，以观其徼。 此两者，同出而异名，同谓之玄，玄之又玄，众妙之门。

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