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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Xamarin.Forms;
namespace App2
{
public partial class SampleViewCell : ViewCell
{
MenuItem _overRideItemmenuitem = null;
public SampleViewCell()
{
try
{
InitializeComponent();
_overRideItemmenuitem = new MenuItem();
_overRideItemmenuitem.Text = "Over Ride";
_overRideItemmenuitem.IsDestructive = true;
_overRideItemmenuitem.Clicked += OverRide_Clicked;
//this.ContextActions.Add(OverRideItemmenuitem);
//Height = 300;
}
catch (Exception ex)
{
throw ex;
}
}
void OverRide_Clicked(object sender, EventArgs e)
{
try
{
var obj = (CheckListDetails)((MenuItem)sender).BindingContext;
obj.ChecklistStatus = CheckListStatus.OverRide;
SetContextActions();
}
catch (Exception ex)
{
throw ex;
}
}
void Checklist_tapped(object sender, EventArgs e)
{
try
{
var selectItem = (CheckListDetails)((Grid)sender).BindingContext;
if (selectItem != null && selectItem.ChecklistStatus != CheckListStatus.OverRide)
{
selectItem.ChecklistStatus = CheckListStatus.Completed;
SetContextActions();
}
}
catch (Exception ex)
{
throw ex;
}
}
//protected override void OnPropertyChanged(string propertyName = null)
//{
// base.OnPropertyChanged(propertyName);
// if(propertyName == ViewCell.BindingContextProperty.PropertyName)
// {
// setContextActions();
// }
//}
protected override void OnBindingContextChanged()
{
base.OnBindingContextChanged();
SetContextActions();
}
void SetContextActions()
{
try
{
if (BindingContext != null)
{
var obj = (CheckListDetails)BindingContext;
if (obj.ChecklistStatus == CheckListStatus.Default)
{
if (ContextActions.Count == 0)
{
ContextActions.Add(_overRideItemmenuitem);
}
}
else if (obj.ChecklistStatus == CheckListStatus.Completed)
{
if (ContextActions.Count > 0)
{
ContextActions.Remove(_overRideItemmenuitem);
if (_overRideItemmenuitem != null)
{
_overRideItemmenuitem.Clicked -= OverRide_Clicked;
_overRideItemmenuitem = null;
}
}
}
else if (obj.ChecklistStatus == CheckListStatus.Pending)
{
if (ContextActions.Count == 0)
{
ContextActions.Add(_overRideItemmenuitem);
}
}
else if (obj.ChecklistStatus == CheckListStatus.OverRide)
{
if (ContextActions.Count > 0)
{
ContextActions.Remove(_overRideItemmenuitem);
if (_overRideItemmenuitem != null)
{
_overRideItemmenuitem.Clicked -= OverRide_Clicked;
_overRideItemmenuitem = null;
}
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
}
}
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