コード例 #1
0
        /// <summary>
        /// Raises the <see cref="E:ElementChanged" /> event.
        /// </summary>
        /// <param name="e">The <see cref="ElementChangedEventArgs{Entry}"/> instance containing the event data.</param>
        protected override void OnElementChanged(ElementChangedEventArgs <Entry> e)
        {
            base.OnElementChanged(e);

            if (!((Control != null) & (e.NewElement != null)))
            {
                return;
            }

            if (!(e.NewElement is EnhancedEntry entryExt))
            {
                return;
            }
            {
                Control.ImeOptions = getValueFromDescription(entryExt.ReturnKeyType);

                Control.SetImeActionLabel(entryExt.ReturnKeyType.ToString(), Control.ImeOptions);

                _gradientDrawable = new GradientDrawable();
                _gradientDrawable.SetShape(ShapeType.Rectangle);
                _gradientDrawable.SetColor(entryExt.BackgroundColor.ToAndroid());
                _gradientDrawable.SetCornerRadius(entryExt.CornerRadius);
                _gradientDrawable.SetStroke((int)entryExt.BorderWidth, entryExt.BorderColor.ToAndroid());

                Rect padding = new Rect
                {
                    Left   = entryExt.LeftPadding,
                    Right  = entryExt.RightPadding,
                    Top    = entryExt.TopBottomPadding / 2,
                    Bottom = entryExt.TopBottomPadding / 2
                };
                _gradientDrawable.GetPadding(padding);

                e.NewElement.Focused += (sender, evt) =>
                {
                    _gradientDrawable.SetStroke(
                        (int)entryExt.BorderWidth,
                        entryExt.FocusBorderColor.ToAndroid());
                };

                e.NewElement.Unfocused += (sender, evt) =>
                {
                    _gradientDrawable.SetStroke((int)entryExt.BorderWidth, entryExt.BorderColor.ToAndroid());
                };

                if (entryExt.EntryHeight != -1)
                {
                    Control.SetHeight((int)DpToPixels(_context, entryExt.EntryHeight));
                }

                Control.SetBackground(_gradientDrawable);

                if (Control != null && !string.IsNullOrEmpty(PackageName) && !string.IsNullOrEmpty(entryExt.LeftIcon))
                {
                    int identifier = Context.Resources.GetIdentifier(
                        entryExt.LeftIcon,
                        "drawable",
                        PackageName);
                    if (identifier != 0)
                    {
                        Drawable drawable = ContextCompat.GetDrawable(_context, identifier);
                        if (drawable != null)
                        {
                            Control.SetCompoundDrawablesWithIntrinsicBounds(drawable, null, null, null);
                            Control.CompoundDrawablePadding = entryExt.PaddingLeftIcon;

                            entryExt.IconDrawableColorChanged += (sender, args) =>
                            {
                                foreach (Drawable d in Control.GetCompoundDrawables())
                                {
                                    if (args.IsValid)
                                    {
                                        d?.SetColorFilter(new PorterDuffColorFilter(args.Color.ToAndroid(), PorterDuff.Mode.SrcIn));
                                    }
                                    else
                                    {
                                        d?.ClearColorFilter();
                                    }
                                }
                            };
                        }
                    }
                }

                Control.EditorAction += (sender, args) =>
                {
                    if (entryExt.NextEntry == null)
                    {
                        if (_context.GetSystemService(Context.InputMethodService) is InputMethodManager inputMethodManager && _context is Activity)
                        {
                            Activity activity = (Activity)_context;
                            IBinder  token    = activity.CurrentFocus?.WindowToken;
                            inputMethodManager.HideSoftInputFromWindow(token, HideSoftInputFlags.None);

                            activity.Window.DecorView.ClearFocus();
                        }
                    }

                    entryExt.EntryActionFired();
                };
            }
        }