/// <summary>
/// 删除表情分组
/// </summary>
/// <param name="directoryName">表情分类目录名</param>
public void DeleteEmoticonCategory(string directoryName)
{
if (string.IsNullOrEmpty(directoryName))
{
return;
}
EmotionCategory category = GetEmotionCategory(directoryName);
if (category == null)
{
return;
}
if (Directory.Exists(category.PhysicalDirectoryPath))
{
DirectoryInfo dir = new DirectoryInfo(category.PhysicalDirectoryPath);
//将文件夹内的内容设置为可写
foreach (var fp in dir.GetFiles())
{
File.SetAttributes(fp.FullName, System.IO.FileAttributes.Normal);
}
Directory.Delete(category.PhysicalDirectoryPath, true);
_categories.RemoveAll(n => n.DirectoryName == category.DirectoryName);
emotionRepository.DeleteByEntityId(category.DirectoryName);
}
}
/// <summary>
/// 更新表情分类
/// </summary>
/// <param name="emotionCategory">表情分类</param>
public void UpdateEmotionCategory(EmotionCategory emotionCategory)
{
emotionRepository.Update(emotionCategory);
//加载表情
if (emotionCategory.IsEnabled && (emotionCategory.Emotions == null || emotionCategory.Emotions.Count() == 0))
{
LoadEmoticons(emotionCategory);
}
}
/// <summary>
/// 创建实体示例
/// </summary>
/// <param name="directoryName">表情包目录名</param>
public static EmotionCategory New(string directoryName)
{
EmotionCategory category = new EmotionCategory();
if (!string.IsNullOrEmpty(directoryName))
{
category.DirectoryName = directoryName;
}
return(category);
}
/// <summary>
/// 根据CategoryID获取EmotionCategory
/// </summary>
/// <param name="directoryName">表情分类目录名</param>
public EmotionCategory GetEmotionCategory(string directoryName)
{
if (_categories != null)
{
EmotionCategory category = _categories.FirstOrDefault(n => n.DirectoryName == directoryName);
if (category != null && category.Emotions.Count == 0)
{
LoadEmoticons(category);
}
return(category);
}
return(null);
}
/// <summary>
/// 组装表情分类实体
/// </summary>
/// <param name="directoryName">目录名</param>
/// <param name="fullPath">表情包目录</param>
private void PopulateEmotionCategory(string directoryName, string fullPath)
{
if (string.IsNullOrEmpty(directoryName))
{
return;
}
string configFullName = fullPath + "\\" + _emoticonConfigName;
if (!File.Exists(configFullName))
{
Directory.Delete(fullPath, true);
throw new ExceptionFacade("找不到文件：" + configFullName + ",您上传的不是表情包");
}
XElement document = XElement.Load(configFullName);
if (document == null)
{
Directory.Delete(fullPath, true);
return;
}
EmotionCategory category;
if (!emotionRepository.Exists(directoryName))
{
category = EmotionCategory.New(directoryName);
int maxDisplayOrder = emotionRepository.GetAll().Max(n => n.DisplayOrder);
category.DisplayOrder = maxDisplayOrder + 1;
emotionRepository.Insert(category);
}
else
{
category = emotionRepository.Get(directoryName);
}
category.InitPropertyValue(document, fullPath);
if (category != null)
{
if (_categories.Where(n => n.DirectoryName == category.DirectoryName).Count() == 0)
{
_categories.Add(category);
}
if (category.IsEnabled)
{
PopulateEmotion(category, document);
}
}
}
/// <summary>
/// 加载表情分类下的表情
/// </summary>
/// <param name="emotionCategory">表情分类</param>
public void LoadEmoticons(EmotionCategory emotionCategory)
{
if (emotionCategory == null)
{
return;
}
XElement document = XElement.Load(emotionCategory.PhysicalDirectoryPath + "\\" + _emoticonConfigName);
if (document != null)
{
//为启用的分类加载表情
PopulateEmotion(emotionCategory, document);
}
}
/// <summary>
/// 组装表情实体
/// </summary>
/// <param name="category">表情分类</param>
/// <param name="categoryElement">表情分类配置节点</param>
private void PopulateEmotion(EmotionCategory category, XElement categoryElement)
{
string emoticonPath = WebUtility.ResolveUrl(_emotionSettings.EmoticonPath);
IEnumerable <XElement> emotionsElements = categoryElement.Elements();
foreach (var emotionElement in emotionsElements)
{
Emotion emotion = Emotion.New(emotionElement);
emotion.FormatedCode = string.Format("[{0}{1}]", !string.IsNullOrEmpty(category.CodePrefix) ? category.CodePrefix + ":" : string.Empty, emotion.Code);
emotion.ImageUrl = string.Format("{0}/{1}/{2}", emoticonPath, category.DirectoryName, emotion.FileName);
if (category.Emotions.Where(n => n.Code == emotion.Code).Count() == 0)
{
category.Emotions.Add(emotion);
}
PrepareTransformsInfo(category);
}
}
/// <summary>
/// 将所有表情写入集合中供下面的转换
/// </summary>
/// <param name="category">表情分类</param>
private void PrepareTransformsInfo(EmotionCategory category)
{
if (category == null || category.Emotions == null)
{
return;
}
foreach (Emotion emotion in category.Emotions)
{
string smileyPattern = emotion.FormatedCode;
string replacePattern = string.Format("<img src=\"{0}\" title=\"{1}\" alt=\"{1}\" />", emotion.ImageUrl, emotion.Description);
maxWordLength = Math.Max(maxWordLength, smileyPattern.Length);
minWordLength = Math.Min(minWordLength, smileyPattern.Length);
foreach (char c in smileyPattern)
{
allCharCheck[c] = true;
}
emoctionDictionary[smileyPattern] = replacePattern;
}
}
