diff options
author | Jason Smith <jason.smith@xamarin.com> | 2016-03-22 13:02:25 -0700 |
---|---|---|
committer | Jason Smith <jason.smith@xamarin.com> | 2016-03-22 16:13:41 -0700 |
commit | 17fdde66d94155fc62a034fa6658995bef6fd6e5 (patch) | |
tree | b5e5073a2a7b15cdbe826faa5c763e270a505729 /Xamarin.Forms.Platform.Android/Renderers/DatePickerRenderer.cs | |
download | xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.tar.gz xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.tar.bz2 xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.zip |
Initial import
Diffstat (limited to 'Xamarin.Forms.Platform.Android/Renderers/DatePickerRenderer.cs')
-rw-r--r-- | Xamarin.Forms.Platform.Android/Renderers/DatePickerRenderer.cs | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.Android/Renderers/DatePickerRenderer.cs b/Xamarin.Forms.Platform.Android/Renderers/DatePickerRenderer.cs new file mode 100644 index 00000000..11d9a0d0 --- /dev/null +++ b/Xamarin.Forms.Platform.Android/Renderers/DatePickerRenderer.cs @@ -0,0 +1,154 @@ +using System; +using System.ComponentModel; +using Android.App; +using Android.Widget; +using AView = Android.Views.View; +using Object = Java.Lang.Object; + +namespace Xamarin.Forms.Platform.Android +{ + public class DatePickerRenderer : ViewRenderer<DatePicker, EditText> + { + DatePickerDialog _dialog; + bool _disposed; + + public DatePickerRenderer() + { + AutoPackage = false; + if (Forms.IsLollipopOrNewer) + Device.Info.PropertyChanged += DeviceInfoPropertyChanged; + } + + protected override void Dispose(bool disposing) + { + if (disposing && !_disposed) + { + if (Forms.IsLollipopOrNewer) + Device.Info.PropertyChanged -= DeviceInfoPropertyChanged; + + _disposed = true; + if (_dialog != null) + { + _dialog.Hide(); + _dialog.Dispose(); + _dialog = null; + } + } + base.Dispose(disposing); + } + + protected override void OnElementChanged(ElementChangedEventArgs<DatePicker> e) + { + base.OnElementChanged(e); + + if (e.OldElement == null) + { + var textField = new EditText(Context) { Focusable = false, Clickable = true, Tag = this }; + + textField.SetOnClickListener(TextFieldClickHandler.Instance); + SetNativeControl(textField); + } + + SetDate(Element.Date); + + UpdateMinimumDate(); + UpdateMaximumDate(); + } + + protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e) + { + base.OnElementPropertyChanged(sender, e); + + if (e.PropertyName == "Date" || e.PropertyName == DatePicker.FormatProperty.PropertyName) + SetDate(Element.Date); + else if (e.PropertyName == "MinimumDate") + UpdateMinimumDate(); + else if (e.PropertyName == "MaximumDate") + UpdateMaximumDate(); + } + + internal override void OnFocusChangeRequested(object sender, VisualElement.FocusRequestArgs e) + { + base.OnFocusChangeRequested(sender, e); + + if (e.Focus) + OnTextFieldClicked(); + else if (_dialog != null) + { + _dialog.Hide(); + ((IElementController)Element).SetValueFromRenderer(VisualElement.IsFocusedPropertyKey, false); + Control.ClearFocus(); + _dialog = null; + } + } + + void CreateDatePickerDialog(int year, int month, int day) + { + DatePicker view = Element; + _dialog = new DatePickerDialog(Context, (o, e) => + { + view.Date = e.Date; + ((IElementController)view).SetValueFromRenderer(VisualElement.IsFocusedPropertyKey, false); + Control.ClearFocus(); + _dialog = null; + }, year, month, day); + } + + void DeviceInfoPropertyChanged(object sender, PropertyChangedEventArgs e) + { + if (e.PropertyName == "CurrentOrientation") + { + DatePickerDialog currentDialog = _dialog; + if (currentDialog != null && currentDialog.IsShowing) + { + currentDialog.Dismiss(); + CreateDatePickerDialog(currentDialog.DatePicker.Year, currentDialog.DatePicker.Month, currentDialog.DatePicker.DayOfMonth); + _dialog.Show(); + } + } + } + + void OnTextFieldClicked() + { + DatePicker view = Element; + ((IElementController)view).SetValueFromRenderer(VisualElement.IsFocusedPropertyKey, true); + + CreateDatePickerDialog(view.Date.Year, view.Date.Month - 1, view.Date.Day); + + UpdateMinimumDate(); + UpdateMaximumDate(); + _dialog.Show(); + } + + void SetDate(DateTime date) + { + Control.Text = date.ToString(Element.Format); + } + + void UpdateMaximumDate() + { + if (_dialog != null) + { + _dialog.DatePicker.MaxDate = (long)Element.MaximumDate.ToUniversalTime().Subtract(DateTime.MinValue.AddYears(1969)).TotalMilliseconds; + } + } + + void UpdateMinimumDate() + { + if (_dialog != null) + { + _dialog.DatePicker.MinDate = (long)Element.MinimumDate.ToUniversalTime().Subtract(DateTime.MinValue.AddYears(1969)).TotalMilliseconds; + } + } + + class TextFieldClickHandler : Object, IOnClickListener + { + public static readonly TextFieldClickHandler Instance = new TextFieldClickHandler(); + + public void OnClick(AView v) + { + ((DatePickerRenderer)v.Tag).OnTextFieldClicked(); + } + } + } +}
\ No newline at end of file |