forked from enlightenment/efl
154 lines
5.2 KiB
C#
154 lines
5.2 KiB
C#
#if EFL_BETA
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using System;
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using System.Runtime.InteropServices;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Linq;
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using System.ComponentModel;
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namespace Efl {
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/// <summary>Represents a bindable property as used by <see cref="Efl.Ui.ItemFactory<T>" /> instances.
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///
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/// <para>It is internally instantiated and returned by generated extension methods.</para>
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/// </summary>
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public class BindableProperty<T>
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{
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/// <summary>Creates a new bindable property with the source name
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/// <c>name</c>.
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/// </summary>
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/// <param name="name">The property name of the bind.</param>
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/// <param name="binder">The binder that will be used to bind the properties.</param>
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public BindableProperty(string name, Efl.Ui.IPropertyBind binder)
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{
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this.propertyName = name;
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this.partName = null;
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this.binder = binder;
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}
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/// <summary>Creates a new bindable property for part <c>part</c>.
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/// </summary>
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/// <param name="partName">The name of the part this instance wraps.</param>
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/// <param name="partProperty">The property name of the bind.</param>
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/// <param name="binder">Yhe binder that will be used to bind the properties.</param>
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public BindableProperty(string partName, string partProperty, Efl.Ui.IPropertyBind binder)
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{
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this.partName = partName;
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this.propertyName = partProperty;
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this.binder = binder;
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}
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/// <summary>Binds the model property <c>modelProperty</c> to the property
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/// <c>name</c> set in the constructor.
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/// </summary>
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/// <param name="modelProperty">The model property</param>
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public Eina.Error Bind(string modelProperty)
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{
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if (this.partName == null)
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{
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return this.binder.BindProperty(this.propertyName, modelProperty);
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}
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else
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{
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var partHolder = this.binder as Efl.IPart;
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if (partHolder == null)
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{
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throw new InvalidOperationException($"Failed to cast binder {binder} to IPart");
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}
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// We rely on reflection as GetPart is protected and not generated in IPart.
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var partMethod = partHolder.GetType().GetMethod("GetPart", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
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if (partMethod == null)
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{
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throw new InvalidOperationException($"Failed to get 'GetPart' method on property binder");
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}
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var partBinder = partMethod.Invoke(partHolder, new System.Object[] { this.partName }) as Efl.Ui.IPropertyBind;
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if (partBinder != null)
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{
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return partBinder.BindProperty(this.propertyName, modelProperty);
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}
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else
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{
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throw new InvalidOperationException($"Failed to get part {this.partName}");
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}
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}
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}
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/// <summary>
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/// The property name of the bind.
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/// </summary>
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string propertyName;
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/// <summary>
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/// The name of the part this instance wraps.
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/// </summary>
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string partName;
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/// <summary>
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/// The binder that will be used to bind the properties.
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/// </summary>
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Efl.Ui.IPropertyBind binder;
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}
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/// <summary>Represents bindable parts as used by <see cref="Efl.Ui.ItemFactory<T>" /> instances.
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///
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/// <para>It is internally instantiated and returned by generated extension methods.</para>
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/// </summary>
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public class BindablePart<T>
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{
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/// <summary>Creates a new bindable property with the binder <c>binder</c>.
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///</summary>
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/// <param name="partName">The name of the part this instance wraps.</param>
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/// <param name="binder">Yhe binder that will be used to bind the properties.</param>
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public BindablePart(string partName, Efl.Ui.IPropertyBind binder)
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{
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this.PartName = partName;
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this.Binder = binder;
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}
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/// <summary>The name of the part this instance wraps.
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/// </summary>
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public string PartName { get; private set; }
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/// <summary>The binder that will be used to bind the properties.
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/// </summary>
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public Efl.Ui.IPropertyBind Binder { get; private set; }
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}
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/// <summary>Represents bindable factory parts as used by <see cref="Efl.Ui.ItemFactory<T>" /> instances.
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/// </summary>
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public class BindableFactoryPart<T>
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{
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/// <summary>Creates a new bindable factory part with the binder <c>binder</c>.
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/// </summary>
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/// <param name="partName">The name of the part this instance wraps.</param>
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/// <param name="binder">Yhe binder that will be used to bind the properties.</param>
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public BindableFactoryPart(string partName, Efl.Ui.IFactoryBind binder)
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{
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this.PartName = partName;
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this.Binder = binder;
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}
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/// <summary>The name of the part this instance wraps.
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/// </summary>
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public string PartName { get; private set; }
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/// <summary>The binder that will be used to bind the properties.
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/// </summary>
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public Efl.Ui.IFactoryBind Binder { get; private set; }
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/// <summary>Binds the given factory to this part.
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/// </summary>
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/// <param name="factory">The factory to be used.</param>
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public Eina.Error BindFactory(Efl.Ui.IFactory factory)
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{
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return this.Binder.BindFactory(this.PartName, factory);
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}
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}
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}
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#endif
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