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Mediator pattern implemented.
1 parent ddb1200 commit 5caeb33

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‎Behavioral/Mediator/BookButton.cs

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using System.Windows.Controls;
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namespace Mediator {
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public class BookButton : Button, IColleague {
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private readonly IMediator _mediator;
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public BookButton(IMediator mediator) {
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this.Content = "Book";
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this._mediator = mediator;
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this._mediator.RegisterBook(this);
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}
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public void Execute() {
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this._mediator.Book();
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}
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}
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}

‎Behavioral/Mediator/DisplayLabel.cs

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using System.Windows;
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using System.Windows.Controls;
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namespace Mediator {
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public class DisplayLabel : Label {
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private readonly IMediator _mediator;
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public DisplayLabel(IMediator mediator) {
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this.Content = "Starting ...";
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this.FontSize = 24;
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//this.FontWeight = new FontWeight();
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this._mediator = mediator;
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this._mediator.RegisterDisplay(this);
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}
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}
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}

‎Behavioral/Mediator/IColleague.cs

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namespace Mediator {
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/// <summary>
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/// Colleague interface
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/// </summary>
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public interface IColleague {
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void Execute();
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}
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}

‎Behavioral/Mediator/IMediator.cs

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using System.Windows.Controls;
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namespace Mediator {
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/// <summary>
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/// Mediator interface
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/// </summary>
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public interface IMediator {
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void Book();
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void View();
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void Search();
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void RegisterView(ViewButton viewButton);
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void RegisterSearch(SearchButton searchButton);
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void RegisterBook(BookButton bookButton);
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void RegisterDisplay(DisplayLabel displayLabel);
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}
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}

‎Behavioral/Mediator/Mediator.cs

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namespace Mediator {
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class Mediator : IMediator {
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private ViewButton _viewButton;
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private SearchButton _searchButton;
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private BookButton _bookButton;
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private DisplayLabel _displayLabel;
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public void Book() {
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this._bookButton.IsEnabled = false;
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this._viewButton.IsEnabled = true;
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this._searchButton.IsEnabled = true;
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this._displayLabel.Content = "Booking ...";
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}
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public void View() {
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this._bookButton.IsEnabled = true;
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this._viewButton.IsEnabled = false;
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this._searchButton.IsEnabled = true;
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this._displayLabel.Content = "Viewing ...";
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}
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public void Search() {
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this._bookButton.IsEnabled = true;
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this._viewButton.IsEnabled = true;
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this._searchButton.IsEnabled = false;
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this._displayLabel.Content = "Searching ...";
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}
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public void RegisterView(ViewButton viewButton) {
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this._viewButton = viewButton;
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}
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public void RegisterSearch(SearchButton searchButton) {
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this._searchButton = searchButton;
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}
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public void RegisterBook(BookButton bookButton) {
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this._bookButton = bookButton;
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}
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public void RegisterDisplay(DisplayLabel displayLabel) {
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this._displayLabel = displayLabel;
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}
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}
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}

‎Behavioral/Mediator/Mediator.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">x86</Platform>
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<ProductVersion>8.0.30703</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{9D3B3EAE-1446-4896-8800-C8EA82C3BFD6}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>Mediator</RootNamespace>
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<AssemblyName>Mediator</AssemblyName>
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<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
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<TargetFrameworkProfile>Client</TargetFrameworkProfile>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
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<PlatformTarget>x86</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
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<PlatformTarget>x86</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="PresentationCore" />
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<Reference Include="PresentationFramework" />
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Windows.Presentation" />
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<Reference Include="System.Xaml" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Xml" />
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<Reference Include="WindowsBase" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="BookButton.cs" />
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<Compile Include="SearchButton.cs" />
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<Compile Include="ViewButton.cs" />
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<Compile Include="MediatorDemo.cs" />
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<Compile Include="IColleague.cs" />
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<Compile Include="IMediator.cs" />
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<Compile Include="DisplayLabel.cs" />
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<Compile Include="Mediator.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>

‎Behavioral/Mediator/MediatorDemo.cs

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows;
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using System.Windows.Controls;
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namespace Mediator {
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class MediatorDemo : Window {
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private readonly IMediator _mediator = new Mediator();
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public MediatorDemo() {
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var rootView = new Grid();
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rootView.RowDefinitions.Add(new RowDefinition());
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rootView.RowDefinitions.Add(new RowDefinition());
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rootView.ColumnDefinitions.Add(new ColumnDefinition());
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rootView.ColumnDefinitions.Add(new ColumnDefinition());
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rootView.ColumnDefinitions.Add(new ColumnDefinition());
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var viewButton = new ViewButton(this._mediator);
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viewButton.Click += this.OnViewClick;
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Grid.SetColumn(viewButton, 0);
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Grid.SetRow(viewButton, 0);
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rootView.Children.Add(viewButton);
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var bookButton = new BookButton(this._mediator);
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bookButton.Click += this.OnViewClick;
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Grid.SetColumn(bookButton, 1);
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Grid.SetRow(bookButton, 0);
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rootView.Children.Add(bookButton);
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var searchButton = new SearchButton(this._mediator);
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searchButton.Click += this.OnViewClick;
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Grid.SetColumn(searchButton, 2);
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Grid.SetRow(searchButton, 0);
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rootView.Children.Add(searchButton);
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var displayLabel = new DisplayLabel(this._mediator);
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Grid.SetColumn(displayLabel, 0);
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Grid.SetRow(displayLabel, 1);
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Grid.SetColumnSpan(displayLabel, 3);
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rootView.Children.Add(displayLabel);
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this.Content = rootView;
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this.Width = 400;
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this.Height = 200;
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this.Title = "Mediator Demo";
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}
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private void OnViewClick(object sender, RoutedEventArgs routedEventArgs) {
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var colleague = (IColleague)sender;
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colleague.Execute();
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}
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[STAThread]
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static void Main(string[] args) {
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var app = new Application();
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app.Startup += AppOnStartup;
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app.Run();
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}
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private static void AppOnStartup(object sender, StartupEventArgs startupEventArgs) {
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Application.Current.MainWindow = new MediatorDemo();
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Application.Current.MainWindow.Show();
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}
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}
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}

‎Behavioral/Mediator/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("Mediator")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("Mediator")]
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[assembly: AssemblyCopyright("Copyright © 2012")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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[assembly: Guid("2bac36b6-5ac6-43c2-8785-4d351ba7792b")]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎Behavioral/Mediator/SearchButton.cs

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using System.Windows.Controls;
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namespace Mediator {
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public class SearchButton : Button, IColleague {
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private readonly IMediator _mediator;
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public SearchButton(IMediator mediator) {
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this.Content = "Search";
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this._mediator = mediator;
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this._mediator.RegisterSearch(this);
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}
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public void Execute() {
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this._mediator.Search();
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}
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}
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}

‎Behavioral/Mediator/ViewButton.cs

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using System.Windows.Controls;
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namespace Mediator {
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public class ViewButton : Button, IColleague {
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private readonly IMediator _mediator;
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public ViewButton(IMediator mediator) {
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this.Content = "View";
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this._mediator = mediator;
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this._mediator.RegisterView(this);
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}
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public void Execute() {
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this._mediator.View();
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}
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}
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}

‎DesignPatterns.sln

+17
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@@ -11,6 +11,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Interpreter", "Behavioral\I
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Iterator", "Behavioral\Iterator\Iterator.csproj", "{2A37AC43-5F17-4774-B9BE-8D5008F41F43}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mediator", "Behavioral\Mediator\Mediator.csproj", "{9D3B3EAE-1446-4896-8800-C8EA82C3BFD6}"
15+
EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WpfApp", "R:\WpfApp\WpfApp.csproj", "{CDE97CC2-CF6A-4FF9-B711-97A6B70C4AD8}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
@@ -45,6 +49,18 @@ Global
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{2A37AC43-5F17-4774-B9BE-8D5008F41F43}.Release|Any CPU.ActiveCfg = Release|x86
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{2A37AC43-5F17-4774-B9BE-8D5008F41F43}.Release|x86.ActiveCfg = Release|x86
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{2A37AC43-5F17-4774-B9BE-8D5008F41F43}.Release|x86.Build.0 = Release|x86
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{9D3B3EAE-1446-4896-8800-C8EA82C3BFD6}.Debug|Any CPU.ActiveCfg = Debug|x86
53+
{9D3B3EAE-1446-4896-8800-C8EA82C3BFD6}.Debug|x86.ActiveCfg = Debug|x86
54+
{9D3B3EAE-1446-4896-8800-C8EA82C3BFD6}.Debug|x86.Build.0 = Debug|x86
55+
{9D3B3EAE-1446-4896-8800-C8EA82C3BFD6}.Release|Any CPU.ActiveCfg = Release|x86
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{9D3B3EAE-1446-4896-8800-C8EA82C3BFD6}.Release|x86.ActiveCfg = Release|x86
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{9D3B3EAE-1446-4896-8800-C8EA82C3BFD6}.Release|x86.Build.0 = Release|x86
58+
{CDE97CC2-CF6A-4FF9-B711-97A6B70C4AD8}.Debug|Any CPU.ActiveCfg = Debug|x86
59+
{CDE97CC2-CF6A-4FF9-B711-97A6B70C4AD8}.Debug|x86.ActiveCfg = Debug|x86
60+
{CDE97CC2-CF6A-4FF9-B711-97A6B70C4AD8}.Debug|x86.Build.0 = Debug|x86
61+
{CDE97CC2-CF6A-4FF9-B711-97A6B70C4AD8}.Release|Any CPU.ActiveCfg = Release|x86
62+
{CDE97CC2-CF6A-4FF9-B711-97A6B70C4AD8}.Release|x86.ActiveCfg = Release|x86
63+
{CDE97CC2-CF6A-4FF9-B711-97A6B70C4AD8}.Release|x86.Build.0 = Release|x86
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
@@ -54,5 +70,6 @@ Global
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{65459173-442A-4E0D-B758-3B9EDCE54D75} = {B3C3F0E2-50B6-450B-A161-F4500F4E681D}
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{6007D4E1-1676-4FBC-816D-1B19F6829F22} = {B3C3F0E2-50B6-450B-A161-F4500F4E681D}
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{2A37AC43-5F17-4774-B9BE-8D5008F41F43} = {B3C3F0E2-50B6-450B-A161-F4500F4E681D}
73+
{9D3B3EAE-1446-4896-8800-C8EA82C3BFD6} = {B3C3F0E2-50B6-450B-A161-F4500F4E681D}
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EndGlobalSection
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EndGlobal

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