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Signum Framework Tutorials Part 2 – Southwind Logic

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15 Nov 2012LGPL325 min read 31.3K   1K   22  
In this part, we will focus on writing business logic, LINQ queries and explain inheritance
using System;
using System.IO;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using Signum.Utilities.DataStructures;

namespace Signum.Windows
{
	public partial class EntityButtons
	{
        public static readonly DependencyProperty OrientationProperty =
            DependencyProperty.Register("Orientation", typeof(Orientation), typeof(EntityButtons), new UIPropertyMetadata(Orientation.Horizontal));
        public Orientation Orientation
        {
            get { return (Orientation)GetValue(OrientationProperty); }
            set { SetValue(OrientationProperty, value); }
        }

        public static readonly DependencyProperty CreateProperty =
       DependencyProperty.Register("Create", typeof(bool), typeof(EntityButtons), new UIPropertyMetadata(true));
        public bool Create
        {
            get { return (bool)GetValue(CreateProperty); }
            set { SetValue(CreateProperty, value); }
        }

        public static readonly DependencyProperty ViewProperty =
            DependencyProperty.Register("View", typeof(bool), typeof(EntityButtons), new UIPropertyMetadata(true));
        public bool View
        {
            get { return (bool)GetValue(ViewProperty); }
            set { SetValue(ViewProperty, value); }
        }

        public static readonly DependencyProperty FindProperty =
            DependencyProperty.Register("Find", typeof(bool), typeof(EntityButtons), new UIPropertyMetadata(true));
        public bool Find
        {
            get { return (bool)GetValue(FindProperty); }
            set { SetValue(FindProperty, value); }
        }

        public static readonly DependencyProperty RemoveProperty =
            DependencyProperty.Register("Remove", typeof(bool), typeof(EntityButtons), new UIPropertyMetadata(true));
        public bool Remove
        {
            get { return (bool)GetValue(RemoveProperty); }
            set { SetValue(RemoveProperty, value); }
        }


        public static readonly RoutedEvent CreatingEvent = EventManager.RegisterRoutedEvent(
            "Creating", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(EntityButtons));
        public event RoutedEventHandler Creating
        {
            add { AddHandler(CreatingEvent, value); }
            remove { RemoveHandler(CreatingEvent, value); }
        }

        public static readonly RoutedEvent ViewingEvent = EventManager.RegisterRoutedEvent(
            "Viewing", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(EntityButtons));
        public event RoutedEventHandler Viewing
        {
            add { AddHandler(ViewingEvent, value); }
            remove { RemoveHandler(ViewingEvent, value); }
        }

        public static readonly RoutedEvent FindingEvent = EventManager.RegisterRoutedEvent(
            "Finding", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(EntityButtons));
        public event RoutedEventHandler Finding
        {
            add { AddHandler(FindingEvent, value); }
            remove { RemoveHandler(FindingEvent, value); }
        }

        public static readonly RoutedEvent RemovingEvent = EventManager.RegisterRoutedEvent(
            "Removing", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(EntityButtons));
        public event RoutedEventHandler Removing
        {
            add { AddHandler(RemovingEvent, value); }
            remove { RemoveHandler(RemovingEvent, value); }
        }

		public EntityButtons()
		{
			this.InitializeComponent();
            AddHandler(Button.ClickEvent, new RoutedEventHandler(ButtonClick));  		
        }

        public void ButtonClick(object sender, RoutedEventArgs e)
        {
            Button bt = (Button)e.OriginalSource;
            if (bt == btCreate) RaiseEvent(new RoutedEventArgs(CreatingEvent));
            else if (bt == btView) RaiseEvent(new RoutedEventArgs(ViewingEvent));
            else if (bt == btFind) RaiseEvent(new RoutedEventArgs(FindingEvent));
            else if (bt == btRemove) RaiseEvent(new RoutedEventArgs(RemovingEvent));
            else throw new NotImplementedException();
            e.Handled = true; 
        }
	}
}

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License

This article, along with any associated source code and files, is licensed under The GNU Lesser General Public License (LGPLv3)


Written By
Software Developer (Senior) Signum Software
Spain Spain
I'm Computer Scientist, one of the founders of Signum Software, and the lead developer behind Signum Framework.

www.signumframework.com

I love programming in C#, Linq, Compilers, Algorithms, Functional Programming, Computer Graphics, Maths...

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