protected override void DoAttachBindings()
{
base.DoAttachBindings();
Bindings.Add(this.SetBinding(() => ViewModel.HeaderViewModel.ChatName, () => _chatNameEditText.Text, BindingMode.TwoWay));
Bindings.Add(this.SetBinding(() => ViewModel.HeaderViewModel.ChatName, () => _chatNameText.Text));
Bindings.Add(this.SetBinding(() => ViewModel.MembersCountText, () => _chatMembersCountTextView.Text));
Bindings.Add(this.SetBinding(() => ViewModel.HeaderViewModel.AvatarUrl).WhenSourceChanges(() =>
{
Execute.BeginOnUIThread(() =>
{
_chatPhotoImageView.LoadImageWithTextPlaceholder(
ViewModel.HeaderViewModel.AvatarUrl,
ViewModel.HeaderViewModel.ChatName,
new AvatarPlaceholderDrawable.AvatarStyles
{
BackgroundHexColors = StyleHelper.Style.ChatAvatarStyles.BackgroundHexColors,
Size = new System.Drawing.Size(64, 64)
},
x => x.Transform(new CircleTransformation()));
});
}));
Bindings.Add(this.SetBinding(() => _imagePicker.ViewModel.ImageCacheKey).WhenSourceChanges(() =>
{
var newImageCacheKey = _imagePicker.ViewModel.ImageCacheKey;
if (string.IsNullOrEmpty(newImageCacheKey) || newImageCacheKey == _previewImageKey)
{
return;
}
_previewImageKey = newImageCacheKey;
Execute.BeginOnUIThread(() =>
{
ViewModel.HeaderViewModel.StartEditingCommand.Execute(null);
});
ImageService.Instance
.LoadFile(_previewImageKey)
.DownSampleInDip(95, 95)
.Transform(new CircleTransformation())
.IntoAsync(_chatEditedPhotoImageView);
}));
Bindings.Add(this.SetBinding(() => ViewModel.HeaderViewModel.IsMuted, () => _muteNotificationsSwitch.Checked)
.ConvertSourceToTarget(x => !x));
Bindings.Add(this.SetBinding(() => ViewModel.IsBusy, () => _muteNotificationsSwitch.Clickable)
.ConvertSourceToTarget(x => !x));
Bindings.Add(this.SetBinding(() => ViewModel.IsLoading).WhenSourceChanges(() =>
{
_busyOverlayView.Visibility = BoolToViewStateConverter.ConvertGone(ViewModel.IsLoading);
_chatMembersCountTextView.Visibility = BoolToViewStateConverter.ConvertGone(!ViewModel.IsLoading);
}));
Bindings.Add(this.SetBinding(() => ViewModel.CanEdit, BindingMode.OneTime).WhenSourceChanges(() =>
{
if (ViewModel.CanEdit)
{
_changeChatPhotoButton.Visibility = ViewStates.Visible;
_chatNameEditText.Visibility = ViewStates.Visible;
_chatNameText.Visibility = ViewStates.Gone;
}
else
{
_changeChatPhotoButton.Visibility = ViewStates.Gone;
_chatNameEditText.Visibility = ViewStates.Gone;
_chatNameText.Visibility = ViewStates.Visible;
_chatNameText.Selected = true;
}
}));
Bindings.Add(this.SetBinding(() => ViewModel.HeaderViewModel.IsInEditMode).WhenSourceChanges(() =>
{
if (ViewModel.HeaderViewModel.IsInEditMode)
{
_navigationBarView.RightTextButton.Visibility = ViewStates.Visible;
_chatEditedPhotoImageView.Visibility = ViewStates.Visible;
}
else
{
_previewImageKey = null;
_navigationBarView.RightTextButton.Visibility = ViewStates.Gone;
_chatNameEditText.ClearFocus();
_chatNameEditText.ClearComposingText();
KeyboardService.HideSoftKeyboard(_chatNameEditText);
}
}));
_chatNameEditText.FocusChange += OnEditTextFocusChanged;
_addMemberContainer.Click += OnAddMemberClick;
}
public override void BindViewModel(ChatSummaryViewModel viewModel)
{
_viewModelRef = WeakReferenceEx.Create(viewModel);
_messageBodyPhotoLabel.Text = viewModel.LocalizedStrings.Photo;
_messageBodyPhotoImageView.SetImageResource(StyleHelper.Style.LastMessageBodyPhotoIcon);
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.ChatName, () => _chatNameTextView.Text));
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.LastMessageViewModel.Username, () => _userNameTextView.Text));
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.LastMessageViewModel.Body).WhenSourceChanges(() =>
{
_messageBodyTextView.Text = _viewModelRef.Target.LastMessageViewModel.Body;
_messageBodyTextView.Visibility = BoolToViewStateConverter.ConvertGone(_viewModelRef.Target.LastMessageViewModel.HasBody);
}));
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.LastMessageViewModel.DateTime, () => _dateTimeTextView.Text));
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.ChatPhotoUrl).WhenSourceChanges(() =>
{
if (_chatPhotoImageView == null)
{
return;
}
_chatPhotoImageView.LoadImageWithTextPlaceholder(
_viewModelRef.Target.ChatPhotoUrl,
_viewModelRef.Target.ChatName,
new AvatarPlaceholderDrawable.AvatarStyles
{
BackgroundHexColors = StyleHelper.Style.ChatAvatarStyles.BackgroundHexColors,
Size = new System.Drawing.Size(44, 44)
},
x => x.Transform(new CircleTransformation()));
}));
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.UnreadMessageCount).WhenSourceChanges(() =>
{
if (_unreadMessageCountTextView != null)
{
_unreadMessageCountTextView.Text = _viewModelRef.Target.UnreadMessageCount.ToString();
_unreadMessageCountTextView.Visibility = BoolToViewStateConverter.ConvertGone(_viewModelRef.Target.UnreadMessageCount > 0);
}
}));
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.IsMuted).WhenSourceChanges(() =>
{
if (_unreadMessageCountTextView != null)
{
var colorResId = _viewModelRef.Target.IsMuted
? StyleHelper.Style.UnreadMutedMessagesCountColor
: StyleHelper.Style.UnreadMessagesCountColor;
var color = ContextCompat.GetColor(_unreadMessageCountTextView.Context, colorResId);
_unreadMessageCountTextView.Background = CreateBackgroundWithCornerRadius(color, 56f);
}
}));
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.LastMessageViewModel.Status).WhenSourceChanges(() =>
{
Color color;
switch (_viewModelRef.Target.LastMessageViewModel.Status)
{
case ChatMessageStatus.Read:
color = Color.GreenYellow;
break;
case ChatMessageStatus.Other:
color = Color.Transparent;
break;
default:
color = Color.ParseColor(ChatStatusDefaultColor);
break;
}
_messageStatusIndicatorView?.SetBackgroundColor(color);
}));
Bindings.Add(this.SetBinding(() => _viewModelRef.Target.LastMessageViewModel.HasPhoto).WhenSourceChanges(() =>
{
if (!_viewModelRef.Target.LastMessageViewModel.HasBody && _viewModelRef.Target.LastMessageViewModel.HasPhoto)
{
_messageBodyTextView.Visibility = ViewStates.Gone;
_messageBodyPhotoView.Visibility = ViewStates.Visible;
}
else
{
_messageBodyTextView.Visibility = BoolToViewStateConverter.ConvertGone(_viewModelRef.Target.LastMessageViewModel.HasBody);
_messageBodyPhotoView.Visibility = ViewStates.Gone;
}
}));
}