private async void ContentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
{
// 需要检查组名是否为空（或者只包含空格）
// 检查组名是否重复
args.Cancel = true;
string groupName = GroupInputBox.Text.Trim();
if (!string.IsNullOrEmpty(groupName))
{
bool isIn = App.Db.Groups.Any(p => p.GroupName.ToLower() == groupName.ToLower());
if (!isIn)
{
var group = new OneDriveImageGroup(groupName);
await App.OneDriveTools.AddGroupToDatabase(App.Db, group);
new PopupMaskTip(AppTools.GetReswLanguage("AddGroupSuccess")).Show();
MainPage.Current.GroupCollectionAdd(group);
this.Hide();
return;
}
else
{
new PopupMaskTip(AppTools.GetReswLanguage("GroupNameRepeat")).Show();
}
}
else
{
new PopupMaskTip(AppTools.GetReswLanguage("GroupNameEmpty")).Show();
}
}
public GroupDialog()
{
this.InitializeComponent();
Title = AppTools.GetReswLanguage("GroupDialogTitle");
PrimaryButtonText = AppTools.GetReswLanguage("OK");
SecondaryButtonText = AppTools.GetReswLanguage("Cancel");
var group = App.Db.Groups;
foreach (var item in group)
{
GroupCollection.Add(item);
}
string selectId = AppTools.GetLocalSetting(AppSettings.SelectGroupIndex, "");
foreach (var item in GroupCollection)
{
if (item.GroupId == selectId)
{
GroupCombo.SelectedItem = item;
SelectGroup = item;
}
}
if (SelectGroup == null)
{
GroupCombo.SelectedItem = GroupCollection.First();
SelectGroup = GroupCollection.First();
}
isInit = true;
}
private void GroupCombo_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (isInit)
{
var item = (OneDriveImageGroup)GroupCombo.SelectedItem;
SelectGroup = item;
}
}
/// <summary>
/// 将组添加到数据库
/// </summary>
/// <param name="context">数据库上下文</param>
/// <param name="item">组</param>
/// <returns></returns>
public async Task <int> AddGroupToDatabase(ImageDbContext context, OneDriveImageGroup item)
{
await context.Groups.AddAsync(item);
int num = await context.SaveChangesAsync();
AppTools.WriteLocalSetting(AppSettings.IsDatabaseChanged, "True");
return(num);
}
/// <summary>
/// 上传图片至OneDrive
/// </summary>
/// <param name="image">图片文件</param>
/// <returns></returns>
public async Task <OneDriveImage> UploadImage(StorageFile image, OneDriveImageGroup group)
{
if (_appFolder == null)
{
throw new UnauthorizedAccessException("You need to complete OneDrive authorization before you can upload the image");
}
var imageFolder = await GetImgSaveFolder();
var per = await image.GetBasicPropertiesAsync();
string fileId = "";
string name = "";
string extension = Path.GetExtension(image.Path);
bool isAutoRename = Convert.ToBoolean(AppTools.GetLocalSetting(AppSettings.AutoRename, "True"));
string fileName = isAutoRename ? Guid.NewGuid() + extension : image.Name.Trim();
OneDriveStorageFile cre = null;
try
{
// 这里要对文件大小进行判断，以4MB为分水岭，需要用不同的办法上传
if (per.Size < 4 * 1024 * 1024)
{
using (var stream = await image.OpenReadAsync())
{
cre = await imageFolder.StorageFolderPlatformService.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting, stream);
fileId = cre.OneDriveItem.Id;
name = cre.OneDriveItem.Name;
}
}
else
{
using (var stream = await image.OpenReadAsync())
{
cre = await imageFolder.StorageFolderPlatformService.UploadFileAsync(fileName, stream, CreationCollisionOption.ReplaceExisting, 320 * 1024);
fileId = cre.OneDriveItem.Id;
name = cre.OneDriveItem.Name;
}
}
string link = LinkConvert(fileId);
var item = new OneDriveImage(name, await AppTools.ConvertFileToImage(image), group, link, fileId);
return(item);
}
catch (Exception)
{
return(null);
}
}
/// <summary>
/// （供外部调用）移除分组
/// </summary>
/// <param name="group"></param>
public void GroupCollectionRemoved(OneDriveImageGroup group)
{
// 待定
string selectId = AppTools.GetLocalSetting(AppSettings.SelectGroupIndex, "");
if (selectId == group.GroupId)
{
AppTools.WriteLocalSetting(AppSettings.SelectGroupIndex, "");
GroupCollectionReInit();
}
else
{
GroupCollection.Remove(group);
}
}
/// <summary>
/// 传入指定分组数据时进行跳转
/// </summary>
/// <param name="group"></param>
private void GroupInit(OneDriveImageGroup group)
{
var groupImages = App.Db.Images.Where(p => p.GroupId == group.GroupId);
HistoryImageCollection.Clear();
foreach (var item in groupImages)
{
HistoryImageCollection.Add(item);
}
if (HistoryImageCollection.Count > 0)
{
HistoryGridView.Visibility = Visibility.Visible;
HistoryNoDataTipBlock.Visibility = Visibility.Collapsed;
}
else
{
HistoryGridView.Visibility = Visibility.Collapsed;
HistoryNoDataTipBlock.Visibility = Visibility.Visible;
}
if (!((OneDriveImageGroup)GroupCombo.SelectedItem).Equals(group))
{
GroupCombo.SelectedItem = group;
}
}
/// <summary>
/// （供外部调用）添加新的分组，并将该分组作为选中项
/// </summary>
/// <param name="group"></param>
public void GroupCollectionAdd(OneDriveImageGroup group)
{
GroupCollection.Add(group);
GroupCombo.SelectedItem = group;
}
