public DataTemplateTestViewModel(IPageDialogService pageDlg)
{
ItemsSource = new ObservableCollection <Person>(
new List <Person>
{
new Person {
Name = "ABC", Days = "1,2,3,4"
},
new Person {
Name = "DEF", Days = "5,6,7,8"
},
}
);
DoCommand.Subscribe(async _ => {
await pageDlg.DisplayAlertAsync("", "Command", "OK");
});
AddCommand.Subscribe(_ => {
ItemsSource.Add(new Person {
Name = "Add", Days = "9,9,9,9"
});
});
DelCommand.Subscribe(_ => {
ItemsSource.Remove(ItemsSource.Last());
});
RepCommand.Subscribe(_ => {
ItemsSource[0] = new Person {
Name = "Rep", Days = "1,1,1,1"
};
});
ClrCommand.Subscribe(_ => {
ItemsSource.Clear();
});
BtmCommand.Subscribe(_ => {
ScrollToBottom.Value = true;
});
TopCommand.Subscribe(_ => {
ScrollToTop.Value = true;
});
}
void InitializeProperties()
{
var list1 = new List <PhotoItem>();
for (var i = 0; i < 20; i++)
{
list1.Add(new PhotoItem
{
PhotoUrl = $"https://kamusoft.jp/openimage/nativecell/{i + 1}.jpg",
Title = $"Title {i + 1}",
Category = "AAA",
});
}
var list2 = new List <PhotoItem>();
for (var i = 10; i < 15; i++)
{
list2.Add(new PhotoItem
{
PhotoUrl = $"https://kamusoft.jp/openimage/nativecell/{i + 1}.jpg",
Title = $"Title {i + 1}",
Category = "BBB",
});
}
var list3 = new List <PhotoItem>();
for (var i = 5; i < 20; i++)
{
list3.Add(new PhotoItem
{
PhotoUrl = $"https://kamusoft.jp/openimage/nativecell/{i + 1}.jpg",
Title = $"Title {i + 1}",
Category = "CCC",
});
}
var list4 = new List <PhotoItem>();
for (var i = 1; i < 10; i++)
{
list4.Add(new PhotoItem
{
PhotoUrl = $"https://kamusoft.jp/openimage/nativecell/{i + 1}.jpg",
Title = $"Title {i + 1}",
Category = "DDD",
});
}
var noGroupList = new List <PhotoItem>();
for (var i = 0; i < 20; i++)
{
noGroupList.Add(new PhotoItem
{
PhotoUrl = $"https://kamusoft.jp/openimage/nativecell/{i + 1}.jpg",
Title = $"Title {i + 1}",
Category = "AAA",
});
}
ItemsSource2 = new PhotoGroup(noGroupList);
var group1 = new PhotoGroup(list1)
{
Head = "SecA"
};
var group2 = new PhotoGroup(list2)
{
Head = "SecB"
};
var group3 = new PhotoGroup(list3)
{
Head = "SecC"
};
ItemsSource.Add(group1);
ItemsSource.Add(group2);
ItemsSource.Add(group3);
_additionalGroup = new PhotoGroup(list4)
{
Head = "SEC4"
};
TapCommand.Subscribe(async item =>
{
var photo = item as PhotoItem;
await _pageDlg.DisplayAlertAsync("", $"Tap {photo.Title}", "OK");
});
LongTapCommand.Subscribe(async item =>
{
var photo = item as PhotoItem;
await _pageDlg.DisplayAlertAsync("", $"LongTap {photo.Title}", "OK");
});
var addItem = new PhotoItem
{
PhotoUrl = $"https://kamusoft.jp/openimage/nativecell/1.jpg",
Title = $"AddItem",
Category = "AAA"
};
var addPtn = 0;
AddCommand.Subscribe(_ =>
{
switch (addPtn)
{
case 0:
group1.Add(addItem);
break;
case 1:
group1.Insert(0, addItem);
break;
case 2:
group1.Insert(group1.Count / 2, addItem);
break;
}
addPtn++;
if (addPtn > 2)
{
addPtn = 0;
}
});
var delPtn = 0;
DelCommand.Subscribe(_ =>
{
switch (delPtn)
{
case 0:
group1.RemoveAt(0);
break;
case 1:
group1.RemoveAt(group1.Count / 2);
break;
case 2:
group1.RemoveAt(group1.Count - 1);
break;
}
delPtn++;
if (delPtn > 2)
{
delPtn = 0;
}
});
RepCommand.Subscribe(_ =>
{
group1[0] = addItem;
});
MoveCommand.Subscribe(_ =>
{
group1.Move(0, 3);
});
AddSecCommand.Subscribe(_ =>
{
ItemsSource.Add(_additionalGroup);
});
DelSecCommand.Subscribe(_ =>
{
ItemsSource.RemoveAt(ItemsSource.Count - 1);
});
}