66 lines
2.0 KiB
C#
66 lines
2.0 KiB
C#
using HospitalServerManager.InterfacesAndEnums;
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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.Threading.Tasks;
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using Windows.UI.Xaml.Controls;
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namespace HospitalServerManager.ViewModel.Controllers
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{
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class ViewNavigator : INavigator
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{
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public IPageNavigateable ActualPage { get; protected set; }
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public bool IsParameterSet { get => Parameters == null ? false : true; }
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private object Parameters { get; set; }
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private IValidateIfInterfaceIsImplemented Validator = null;
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// TODO: Przemyslec czy potrzebne actualPage
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protected ViewNavigator()
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{ Parameters = null; ActualPage = null; }
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public ViewNavigator(IValidateIfInterfaceIsImplemented validator, IPageNavigateable actualPage, object parametersToPage = null)
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{
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ActualPage = actualPage;
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Validator = validator;
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Parameters = parametersToPage;
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/*Type type = actualPage.GetType();
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ChangeFrame(type, )*/
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}
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/// <summary>
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/// Sets parameters which is passed to the target page.
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/// </summary>
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/// <param name="parameter"></param>
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public void SetParameter(object parameter)
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{
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Parameters = parameter;
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}
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/// <summary>
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/// Removes parameters.
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/// </summary>
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public void RemoveParameters()
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{
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Parameters = null;
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}
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/// <summary>
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/// Navigates inside navigationFrame to new page and passes the parameter to new page.
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/// </summary>
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/// <param name="typeOfPage">The type of the target page</param>
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/// <param name="navigationFrame">The navigation frame</param>
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/// <returns></returns>
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public IPageNavigateable ChangeFrame(Type typeOfPage, Frame navigationFrame)
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{
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if (!Validator.ValidateIfTypeImplementInterface(typeOfPage, "IPageNavigateable"))
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throw new ArgumentException("Wrong page type! Page have to implement IPageNavigateable.");
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ActualPage.UnloadPage();
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if (IsParameterSet)
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navigationFrame.Navigate(typeOfPage, Parameters);
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else
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navigationFrame.Navigate(typeOfPage);
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ActualPage = navigationFrame.Content as IPageNavigateable;
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return ActualPage;
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}
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}
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}
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