private void DataDelete(WebMsgEventArgs eventArgs)
{
if (_isSelfDelPostil)
{
_isSelfDelPostil = false;
return;
}
var deleteId = eventArgs.Data.As <Id>();
if (deleteId == null)
{
return;
}
var model = ViewPictureModels.FirstOrDefault(t => t.PostilId == deleteId);
if (model == null)
{
return;
}
if (ViewPictureModels.Count == 8)
{
if (SelectedViewPicModel.PostilId == deleteId)
{
LoadPostilInfosAsync(_currentPageIndex, () => SelectedViewPicModel = ViewPictureModels.ElementAtOrDefault(model.SelectedPicIndex) ?? ViewPictureModels.LastOrDefault());
}
else
{
var selectId = SelectedViewPicModel.PostilId;
LoadPostilInfosAsync(_currentPageIndex, () => SelectedViewPicModel = ViewPictureModels.FirstOrDefault(t => t.PostilId == selectId) ?? ViewPictureModels.FirstOrDefault());
}
}
else
{
ViewPictureModels.Remove(model);
for (var i = 0; i < ViewPictureModels.Count; i++)//重新给索引
{
ViewPictureModels[i].SelectedPicIndex = i;
}
_listPostilInfoModel.Remove(_listPostilInfoModel.FirstOrDefault(t => t._id == deleteId));
if (deleteId == SelectedViewPicModel.PostilId)
{
SelectedViewPicModel = ViewPictureModels.ElementAtOrDefault(model.SelectedPicIndex) ?? ViewPictureModels.LastOrDefault();
}
if (ViewPictureModels.Count == 0 && _currentPageIndex != 0)
{
LoadPostilInfosAsync(--_currentPageIndex, () => SelectedViewPicModel = ViewPictureModels.LastOrDefault());
}
}
}
/// <summary>
/// 删除某条批注事件
/// </summary>
/// <param name="delPicModel"></param>
private async void OnDeletePostilItem(PictureModel delPicModel)
{
if (delPicModel == null)
{
return;
}
if (this.ShowMessage("删除后将无法恢复信息，确定删除这条批注吗？", "警告", MessageBoxButton.OKCancel) != MessageBoxResult.OK)
{
return;
}
var index = delPicModel.SelectedPicIndex;
var deleteId = delPicModel.PostilId;
var result = await DataApi.DeleteAsync(Hubs.Postil.T, new[] { deleteId });
if (!result.IsOk)
{
Mg.Get <IMgLog>().Error("删除批注信息失败" + result.Message);
Mg.Get <IMgDialog>().ShowDesktopAlert("删除批注信息失败", result.Message);
return;
}
if (ViewPictureModels.Count == 8)
{
if (SelectedViewPicModel.PostilId == deleteId)
{
LoadPostilInfosAsync(_currentPageIndex, () => SelectedViewPicModel = ViewPictureModels.ElementAtOrDefault(index) ?? ViewPictureModels.LastOrDefault());
}
else
{
var selectId = SelectedViewPicModel.PostilId;
LoadPostilInfosAsync(_currentPageIndex, () => SelectedViewPicModel = ViewPictureModels.FirstOrDefault(t => t.PostilId == selectId) ?? ViewPictureModels.FirstOrDefault());
}
}
else
{
var selectId = SelectedViewPicModel.PostilId;
ViewPictureModels.Remove(delPicModel);
for (var i = 0; i < ViewPictureModels.Count; i++)//重新给索引
{
ViewPictureModels[i].SelectedPicIndex = i;
}
_listPostilInfoModel.Remove(_listPostilInfoModel.FirstOrDefault(t => t._id == deleteId));
if (deleteId == selectId)
{
SelectedViewPicModel = ViewPictureModels.ElementAtOrDefault(index) ?? ViewPictureModels.LastOrDefault();
}
if (ViewPictureModels.Count == 0 && _currentPageIndex != 0)
{
LoadPostilInfosAsync(--_currentPageIndex, () => SelectedViewPicModel = ViewPictureModels.LastOrDefault());
}
}
_isSelfDelPostil = true;
await Mg.Get <IMgWeb>().SendWebMsgAsync("demoPostil/delete", deleteId.ToString(), BoardcastType.ProjectGroup);//发送广播
}
/// <summary>
/// 批注增加的广播信息处理事件
/// </summary>
/// <param name="eventArgs"></param>
private void DataAdd(WebMsgEventArgs eventArgs)
{
var index = SelectedViewPicModel?.SelectedPicIndex ?? 0;
if (_currentPageIndex == 0)//最新的只会添加在前面
{
LoadPostilInfosAsync(_currentPageIndex, () => SelectedViewPicModel = ViewPictureModels.ElementAtOrDefault(index) ?? ViewPictureModels.LastOrDefault());
}
}
private void OnPreviousPicture()
{
if (!CanPreviousPicture())
{
return;
}
var index = SelectedViewPicModel.SelectedPicIndex;
if (index == 0 && _currentPageIndex != 0)
{
LoadPostilInfosAsync(--_currentPageIndex, () => SelectedViewPicModel = ViewPictureModels.LastOrDefault());
}
else
{
SelectedViewPicModel = ViewPictureModels.ElementAt(index - 1);
}
}