protected override void OnCreate(Bundle savedInstanceState)
{
OverridePendingTransition(0, 0);
SetTheme(StyleHelper.Style.CommonActivityStyle);
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_chat_create);
_navigationBarView = FindViewById <NavigationBarView>(Resource.Id.activity_chat_create_navigation_bar);
_navigationBarView.SetLeftButton(StyleHelper.Style.NavigationBarBackButtonIcon, ViewModel.BackCommand);
_navigationBarView.SetTitle(ViewModel.LocalizedStrings.CreateGroup);
_navigationBarView.SetRightButton(ViewModel.LocalizedStrings.Create, new RelayCommand(() =>
{
KeyboardService.HideSoftKeyboard(_chatNameEditTextView);
ViewModel.SaveCommand.Execute(_imagePicker.GetStreamFunc());
}));
_navigationBarView.RightTextButton.SetBackgroundColor(Color.Transparent);
_chatPhotoImageView = FindViewById <MvxCachedImageView>(Resource.Id.iv_chat_photo);
_chatEditedPhotoImageView = FindViewById <MvxCachedImageView>(Resource.Id.iv_chat_photo_edited);
_chatNameEditTextView = FindViewById <EditText>(Resource.Id.et_chat_name);
_contactsRecyclerView = FindViewById <RecyclerView>(Resource.Id.rv_contacts_list);
_membersCountTextView = FindViewById <TextView>(Resource.Id.tv_members_count);
_changeChatPhotoButton = FindViewById <Button>(Resource.Id.b_chat_change_photo);
_changeChatPhotoButton.SetCommand(new RelayCommand(ChangePhoto));
_changeChatPhotoButton.Text = ViewModel.LocalizedStrings.ChangePhoto;
InitializeContactsRecyclerView();
_imagePicker = new ImagePicker(Dependencies.PermissionsManager, Dependencies.Container.Resolve <IImagePickerService>())
{
MaxImageWidth = 300
};
_chatPhotoImageView.SetImageResource(StyleHelper.Style.ChatGroupNoAvatarIcon);
_chatEditedPhotoImageView.Visibility = ViewStates.Gone;
_addMembers = FindViewById <Button>(Resource.Id.activity_chat_create_add_member);
_addMembers.Text = ViewModel.LocalizedStrings.AddMembers;
_addMembers.SetCommand(ViewModel.AddMembersCommand);
_chatNameEditTextView.Hint = ViewModel.LocalizedStrings.ChatName;
_busyOverlayView = FindViewById <BusyOverlayView>(Resource.Id.activity_chat_create_busy_view);
}
public void BindViewModel(ChatMessageInputViewModel viewModel)
{
_viewModelRef = new WeakReferenceEx <ChatMessageInputViewModel>(viewModel);
_bindings.Add(this.SetBinding(() => _viewModelRef.Target.MessageBody, () => _messageEditText.Text, BindingMode.TwoWay));
_bindings.Add(this.SetBinding(() => _viewModelRef.Target.IsInEditMessageMode).WhenSourceChanges(() =>
{
if (_viewModelRef.Target.IsInEditMessageMode)
{
_editingMessageBodyTextView.Text = _viewModelRef.Target.EditedMessageOriginalBody;
KeyboardService.ShowSoftKeyboard(_messageEditText);
}
else
{
KeyboardService.HideSoftKeyboard(_messageEditText);
}
_editingMessageLayout.Visibility = BoolToViewStateConverter.ConvertGone(_viewModelRef.Target.IsInEditMessageMode);
}));
_bindings.Add(this.SetBinding(() => _viewModelRef.Target.ImageObject).WhenSourceChanges(() =>
{
if (_viewModelRef.Target.ImageObject == null)
{
_imagePreview.SetImageBitmap(null);
_editImageContainer.Visibility = ViewStates.Gone;
}
else
{
_imagePreview.SetImageBitmap((Android.Graphics.Bitmap)_viewModelRef.Target.ImageObject);
_editImageContainer.Visibility = ViewStates.Visible;
}
}));
if (!_inited)
{
_messageEditText.Hint = _viewModelRef.Target.EnterMessagePlaceholderString;
_editingMessageHeader.Text = _viewModelRef.Target.EditMessageHeaderString;
_takeAttachmentButton.SetCommand(_viewModelRef.Target.OpenCameraCommand);
_addAttachmentButton.SetCommand(_viewModelRef.Target.OpenGalleryCommand);
_sendButton.SetCommand(_viewModelRef.Target.SendMessageCommand);
_removeImageButton.SetCommand(_viewModelRef.Target.DeleteImageCommand);
_editingMessageCloseButton.SetCommand(_viewModelRef.Target.CancelEditingCommand);
_inited = true;
}
}
internal void HideKeyboard()
{
KeyboardService.HideSoftKeyboard(_messageEditText);
}
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;
}