private async void LoadData()
{
var cv = new C1DataCollection <Customer>(Customer.GetCustomerList(100));
await cv.SortAsync(new SortDescription("FirstName", SortDirection.Ascending), new SortDescription("LastName", SortDirection.Descending));
grid.ItemsSource = cv;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Perform any additional setup after loading the view, typically from a nib.
sunburst = new C1Sunburst();
sunburst.Binding = "Value";
sunburst.BindingName = "Year,Quarter,Month";
sunburst.ToolTipContent = "{}{name}\n{y}";
sunburst.DataLabel.Position = PieLabelPosition.Center;
sunburst.DataLabel.Content = "{}{name}";
this.Add(sunburst);
cv = new SunburstViewModel().View;
cv.GroupChanged += View_GroupChanged;
cv.SortChanged += Cv_SortChanged;
//Sort cannot work synchronize with group in current DataCollection
SortDescription yearSortDescription = new SortDescription("Year", SortDirection.Ascending);
SortDescription quarterSortDescription = new SortDescription("Quarter", SortDirection.Ascending);
SortDescription monthSortDescription = new SortDescription("MonthValue", SortDirection.Ascending);
SortDescription[] sortDescriptions = new SortDescription[] { yearSortDescription, quarterSortDescription, monthSortDescription };
cv.SortAsync(sortDescriptions);
}
async void OnSortClicked(object sender, EventArgs e)
{
if (_dataCollection != null)
{
var direction = GetCurrentSortDirection();
await _dataCollection.SortAsync(x => x.Title, direction == SortDirection.Ascending?SortDirection.Descending : SortDirection.Ascending);
}
}
private async void sortButton_Click(object sender, EventArgs e)
{
if (_dataCollection != null)
{
var direction = GetCurrentSortDirection();
await _dataCollection.SortAsync(x => x.FirstName, direction == SortDirection.Ascending?SortDirection.Descending : SortDirection.Ascending);
}
}
private async void LoadData()
{
var cv = new C1DataCollection <Customer>(Customer.GetCustomerList(100));
await cv.SortAsync(new SortDescription("FirstName", SortDirection.Ascending), new SortDescription("LastName", SortDirection.Descending));
grid.ItemsSource = cv;
grid.SortAscendingIconTemplate = new C1IconTemplate(() => new C1BitmapIcon(this.ApplicationContext)
{
Source = BitmapFactory.DecodeResource(this.Resources, Resource.Drawable.arrow_up)
});
}
private async void LoadData()
{
var dataCollection = new C1DataCollection <Customer>(Customer.GetCustomerList(100));
await dataCollection.SortAsync(new SortDescription("FirstName", SortDirection.Ascending), new SortDescription("LastName", SortDirection.Descending));
Grid.ItemsSource = dataCollection;
Grid.SortAscendingIconTemplate = new C1IconTemplate(() => new C1BitmapIcon()
{
Source = UIImage.FromBundle("arrow_up")
});
}
private async Task ToggleSort(IMenuItem item)
{
if (_dataCollection != null)
{
var direction = GetCurrentSortDirection();
item.SetEnabled(false);
var newDirection = direction == SortDirection.Ascending ? SortDirection.Descending : SortDirection.Ascending;
await _dataCollection.SortAsync(x => x.Title, newDirection);
item.SetEnabled(true);
InvalidateOptionsMenu();
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_getting_started);
var toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
SupportActionBar.Title = GetString(Resource.String.group_collection);
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
SupportActionBar.SetHomeButtonEnabled(true);
sunburst = (C1Sunburst)FindViewById(Resource.Id.sunburst);
sunburst.Binding = "Value";
sunburst.BindingName = "Year,Quarter,Month";
sunburst.ToolTipContent = "{}{name}\n{y}";
sunburst.DataLabel.Position = PieLabelPosition.Center;
sunburst.DataLabel.Content = "{}{name}";
//LinearLayout layout = new LinearLayout(this);
//LinearLayout.LayoutParams param = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MatchParent, LinearLayout.LayoutParams.MatchParent);
//layout.AddView(sunburst, param);
cv = new SunburstViewModel().View;
cv.GroupChanged += View_GroupChanged;
cv.SortChanged += Cv_SortChanged;
//Sort cannot work synchronize with group in current DataCollection
SortDescription yearSortDescription = new SortDescription("Year", SortDirection.Ascending);
SortDescription quarterSortDescription = new SortDescription("Quarter", SortDirection.Ascending);
SortDescription monthSortDescription = new SortDescription("MonthValue", SortDirection.Ascending);
SortDescription[] sortDescriptions = new SortDescription[] { yearSortDescription, quarterSortDescription, monthSortDescription };
cv.SortAsync(sortDescriptions);
//SetContentView(layout);
}
private async void PopulateEditGrid()
{
// create the data
var data = new C1DataCollection <Customer>(Customer.GetCustomerList(100));
await data.SortAsync("Name");
grid.ItemsSource = data;
grid.MinColumnWidth = 85;
//// hide read-only "Country" column
//var col = grid.Columns["Country"];
//col.IsVisible = false;
GridColumn col;
//// map countryID column so it shows country names instead of their IDs
//Dictionary<int, string> dct = new Dictionary<int, string>();
//foreach (var country in Customer.GetCountries())
//{
// dct[country.Key] = country.Value;
//}
//col = grid.Columns["CountryId"];
//col.DataMap = new GridDataMap { ItemsSource = dct, SelectedValuePath = "Key", DisplayMemberPath = "Value" };
//col.HorizontalAlignment = HorizontalAlignment.Left;
//col.Width = new GridLength(120);
// provide auto-complete lists for first and last name columns
col = grid.Columns["FirstName"];
col.DataMap = new GridDataMap {
ItemsSource = Customer.GetFirstNames()
};
col = grid.Columns["LastName"];
col.DataMap = new GridDataMap {
ItemsSource = Customer.GetLastNames()
};
//grid.Columns.Move(grid.Columns["Name"].Index, 1);
}
public static C1DataCollection <Item> CreateGroupDataCollection()
{
var data = new List <Item>();
var quarters = new string[] { "Q1", "Q2", "Q3", "Q4" };
var months = new[]
{
new { Name = "Jan", Value = 1 },
new { Name = "Feb", Value = 2 },
new { Name = "Mar", Value = 3 },
new { Name = "Apr", Value = 4 },
new { Name = "May", Value = 5 },
new { Name = "June", Value = 6 },
new { Name = "Jul", Value = 7 },
new { Name = "Aug", Value = 8 },
new { Name = "Sep", Value = 9 },
new { Name = "Oct", Value = 10 },
new { Name = "Nov", Value = 11 },
new { Name = "Dec", Value = 12 }
};
var year = DateTime.Now.Year;
int yearLen, i, len = 100;
var years = new List <int>();
yearLen = 3;
for (i = yearLen; i > 0; i--)
{
years.Add(year - i);
}
int y, q, m;
for (i = 0; i < len; i++)
{
y = (int)Math.Floor(Instance.rnd.NextDouble() * yearLen);
q = (int)Math.Floor(Instance.rnd.NextDouble() * 4);
m = (int)Math.Floor(Instance.rnd.NextDouble() * 3);
data.Add(new Item()
{
Year = years[y],
Quarter = quarters[q],
MonthName = months[q].Name,
MonthValue = months[q].Value,
Value = Math.Round(Instance.rnd.NextDouble() * 100)
});
}
var cv = new C1DataCollection <Item>(data);
//Sort cannot work synchronize with group in current DataCollection
SortDescription yearSortDescription = new SortDescription("Year", SortDirection.Ascending);
SortDescription quarterSortDescription = new SortDescription("Quarter", SortDirection.Ascending);
SortDescription monthSortDescription = new SortDescription("MonthValue", SortDirection.Ascending);
SortDescription[] sortDescriptions = new SortDescription[] { yearSortDescription, quarterSortDescription, monthSortDescription };
cv.SortAsync(sortDescriptions);
GroupDescription yearGroupDescription = new GroupDescription("Year");
GroupDescription quarterGroupDescription = new GroupDescription("Quarter");
GroupDescription monthGroupDescription = new GroupDescription("MonthName");
GroupDescription[] groupDescriptions = new GroupDescription[] { yearGroupDescription, quarterGroupDescription, monthGroupDescription };
// cv.GroupAsync(groupDescriptions);
return(cv);
}
