// When user done with editing the message template category.
// Two possible cases:
// 1) Add a new category, or
// 2) Modify an existed category.
private void treeViewMessageTemplate_AfterLabelEdit(object sender, NodeLabelEditEventArgs e)
{
if (e.Label == null || e.Label.Trim().Length == 0)
{
e.CancelEdit = true;
e.Node.BeginEdit();
return;
}
String categoryName = e.Label;
MessageTemplateCategoryType categoryType = (MessageTemplateCategoryType)e.Node.Tag;
if (categoryType != null)
{
// Modify an existed category.
if (categoryName == categoryType.CategoryName)
{
return;
}
categoryType.CategoryName = categoryName;
MessageTemplateCategoryDAL.UpdateOneMessageTemplateCategory(categoryType);
this.treeViewMessageTemplate.LabelEdit = false;
this.treeViewMessageTemplate.SelectedNode = e.Node;
return;
}
// Add a new category.
categoryType = new MessageTemplateCategoryType();
categoryType.ParentCategoryId = -1;
categoryType.CategoryName = categoryName;
categoryType.CategoryDescription = "";
// Check if there is any category with the same category name.
MessageTemplateCategoryType existedCategoryType = MessageTemplateCategoryDAL.GetMessageTemplateCategory(categoryName);
if (existedCategoryType != null)
{
MessageBox.Show("已存在此消息模板主题，请输入不同模板主题！", "错误",
MessageBoxButtons.OK, MessageBoxIcon.Error);
e.CancelEdit = true;
e.Node.BeginEdit();
return;
}
// Insert the new category to database and return the new category id.
int newCatId = 0;
MessageTemplateCategoryDAL.InsertOneMessageTemplateCategory(categoryType, out newCatId);
categoryType.CategoryId = newCatId;
e.Node.EndEdit(false);
e.Node.Tag = categoryType;
this.treeViewMessageTemplate.SelectedNode = e.Node;
this.treeViewMessageTemplate.LabelEdit = false;
}
// Delete a message template category, if there are any message templates under
// this category, prompt user.
private void ToolStripMenuItemDelCategory_Click(object sender, EventArgs e)
{
TreeNode node = treeViewMessageTemplate.SelectedNode;
if (node == null)
{
return;
}
if (node.Tag == null)
{
return;
}
if (node.Tag.GetType() != typeof(MessageTemplateCategoryType))
{
return;
}
MessageTemplateCategoryType categoryType = (MessageTemplateCategoryType)node.Tag;
int categoryId = categoryType.CategoryId;
DataTable dtMessageTemplates = MessageTemplateDAL.GetAllMessageTemplatesWithCategoryId(categoryId);
if (dtMessageTemplates.Rows.Count > 0)
{
if (MessageBox.Show(string.Format("确认删除主题 {0}？ 我们将删除所有隶属该主题的消息模板",
categoryType.CategoryName), "请确认",
MessageBoxButtons.YesNo, MessageBoxIcon.Question)
== System.Windows.Forms.DialogResult.No)
{
return;
}
}
// Either cases:
// 1) The category has message templates and user confirmed to delete the category.
// 2) The category has no message templates.
// Delete all the relevant message templates first.
foreach (DataRow dr in dtMessageTemplates.Rows)
{
int messageTemplateId = StringUtil.GetSafeInt(dr["TemplateId"]);
MessageTemplateDAL.DeleteOneMessageTemplate(messageTemplateId);
}
MessageTemplateCategoryDAL.DeleteOneMessageTemplateCategory(categoryType.CategoryId);
treeViewMessageTemplate.Nodes.Remove(node);
}
public static bool UpdateOneMessageTemplateCategory(MessageTemplateCategoryType cat)
{
IDbCommand cmd = DataFactory.CreateCommand(null);
cmd.CommandText = @"Update [MessageTemplateCategory] set ParentCategoryId=@ParentCategoryId, CategoryName=@CategoryName, CategoryDescription=@CategoryDescription where CategoryId=@CategoryId";
DataFactory.AddCommandParam(cmd, "@ParentCategoryId", DbType.Int32, cat.ParentCategoryId);
DataFactory.AddCommandParam(cmd, "@CategoryName", DbType.String, StringUtil.GetSafeString(cat.CategoryName));
DataFactory.AddCommandParam(cmd, "@CategoryDescription", DbType.String, StringUtil.GetSafeString(cat.CategoryDescription));
DataFactory.AddCommandParam(cmd, "@CategoryId", DbType.Int32, StringUtil.GetSafeInt(cat.CategoryId));
bool result = DataFactory.ExecuteCommandNonQuery(cmd);
return(result);
}
// Insert one message template category.
public static bool InsertOneMessageTemplateCategory(MessageTemplateCategoryType cat, out int newCatId)
{
newCatId = 0;
IDbCommand cmd = DataFactory.CreateCommand(null);
cmd.CommandText = @"Insert into [MessageTemplateCategory] (ParentCategoryId, CategoryName, CategoryDescription) values (@ParentCategoryId, @CategoryName, @CategoryDescription)";
DataFactory.AddCommandParam(cmd, "@ParentCategoryId", DbType.Int32, cat.ParentCategoryId);
DataFactory.AddCommandParam(cmd, "@CategoryName", DbType.String, StringUtil.GetSafeString(cat.CategoryName));
DataFactory.AddCommandParam(cmd, "@CategoryDescription", DbType.String, StringUtil.GetSafeString(cat.CategoryDescription));
bool result = DataFactory.ExecuteInsertCommand(cmd, out newCatId);
return(result);
}
private void LoadAllMessageTemplates()
{
this.tvMessageTemplates.Nodes.Clear();
DataTable dtMessageCategories = MessageTemplateCategoryDAL.GetAllMessageTemplateCategories();
DataTable dtMessageTemplates = MessageTemplateDAL.GetAllMessageTemplates();
foreach (DataRow drCategory in dtMessageCategories.Rows)
{
int categoryId = StringUtil.GetSafeInt(drCategory["CategoryId"]);
String categoryName = StringUtil.GetSafeString(drCategory["CategoryName"]);
MessageTemplateCategoryType catType = new MessageTemplateCategoryType();
TreeNode catNode = new TreeNode();
catNode.Tag = catType;
catNode.Text = categoryName;
catNode.Name = categoryId.ToString();
this.tvMessageTemplates.Nodes.Add(catNode);
}
foreach (DataRow drMessageTemplate in dtMessageTemplates.Rows)
{
int templateId = StringUtil.GetSafeInt(drMessageTemplate["TemplateId"]);
int categoryId = StringUtil.GetSafeInt(drMessageTemplate["TemplateCategoryId"]);
String templateName = StringUtil.GetSafeString(drMessageTemplate["TemplateName"]);
String templateContent = StringUtil.GetSafeString(drMessageTemplate["TemplateContent"]);
MessageTemplateType templateType = new MessageTemplateType();
templateType.TemplateId = templateId;
templateType.TemplateCategoryId = categoryId;
templateType.TemplateName = templateName;
templateType.TemplateContent = templateContent;
TreeNode msgNode = new TreeNode();
msgNode.Tag = templateType;
msgNode.Text = templateName;
TreeNode[] catNodes = this.tvMessageTemplates.Nodes.Find(categoryId.ToString(), false);
if (catNodes.Length > 0)
{
catNodes[0].Nodes.Add(msgNode);
}
}
this.tvMessageTemplates.ExpandAll();
}
public static MessageTemplateCategoryType GetMessageTemplateCategory(String categoryName)
{
String sql_getCategory
= String.Format("select * from [MessageTemplateCategory] where CategoryName='{0}'", categoryName);
DataTable dt = DataFactory.ExecuteSqlReturnTable(sql_getCategory);
if (dt.Rows.Count == 0)
{
return(null);
}
DataRow dr = dt.Rows[0];
MessageTemplateCategoryType categoryType = new MessageTemplateCategoryType();
categoryType.CategoryId = StringUtil.GetSafeInt(dr["CategoryId"]);
categoryType.ParentCategoryId = StringUtil.GetSafeInt(dr["ParentCategoryId"]);
categoryType.CategoryName = StringUtil.GetSafeString(dr["CategoryName"]);
return(categoryType);
}
// When user selects one of the node in the treeview.
private void treeViewMessageTemplate_AfterSelect(object sender, TreeViewEventArgs e)
{
TreeNode node = treeViewMessageTemplate.SelectedNode;
if (node == null)
{
return;
}
if (node.Tag == null)
{
return;
}
if (typeof(MessageTemplateType) == node.Tag.GetType())
{
MessageTemplateType messageTemplate = (MessageTemplateType)node.Tag;
if (messageTemplate == null)
{
return;
}
this.textBoxMessageTemplateName.Text = StringUtil.GetSafeString(messageTemplate.TemplateName);
this.richTextBoxMessageTemplateContent.Text = StringUtil.GetSafeString(messageTemplate.TemplateContent);
this.buttonAddMessageTemplate.Enabled = false;
this.buttonModifyMessageTemplate.Enabled = true;
}
else if (typeof(MessageTemplateCategoryType) == node.Tag.GetType())
{
MessageTemplateCategoryType messageCategoryType = (MessageTemplateCategoryType)node.Tag;
if (messageCategoryType == null)
{
return;
}
this.textBoxMessageTemplateName.Text = "";
this.richTextBoxMessageTemplateContent.Text = "";
this.buttonAddMessageTemplate.Enabled = true;
this.buttonModifyMessageTemplate.Enabled = false;
}
} // treeViewMessageTemplate_AfterSelect
// Load all message template categories.
private void LoadAllMessageTemplateCategories()
{
DataTable dtCategories = MessageTemplateCategoryDAL.GetAllMessageTemplateCategories();
this.treeViewMessageTemplate.Nodes.Clear();
foreach (DataRow dr in dtCategories.Rows)
{
int categoryId = StringUtil.GetSafeInt(dr["CategoryId"]);
String categoryName = StringUtil.GetSafeString(dr["CategoryName"]);
MessageTemplateCategoryType categoryType = new MessageTemplateCategoryType();
categoryType.CategoryId = categoryId;
categoryType.CategoryName = categoryName;
TreeNode newNode = new TreeNode();
newNode.Tag = categoryType;
newNode.Text = categoryName;
newNode.Name = categoryId.ToString();
this.treeViewMessageTemplate.Nodes.Add(newNode);
}
}
private void ToolStripMenuItemModifyCategory_Click(object sender, EventArgs e)
{
TreeNode node = treeViewMessageTemplate.SelectedNode;
if (node == null)
{
return;
}
if (node.Tag == null)
{
return;
}
MessageTemplateCategoryType categoryType = (MessageTemplateCategoryType)node.Tag;
if (categoryType == null)
{
return;
}
this.treeViewMessageTemplate.LabelEdit = true;
node.BeginEdit();
} // buttonModifyMessageTemplate_Click
// Add message template button handler.
private void buttonAddMessageTemplate_Click(object sender, EventArgs e)
{
int categoryId = -1;
{
if (treeViewMessageTemplate.SelectedNode == null)
{
return;
}
MessageTemplateCategoryType categoryType = (MessageTemplateCategoryType)treeViewMessageTemplate.SelectedNode.Tag;
if (categoryType == null)
{
return;
}
categoryId = categoryType.CategoryId;
}
if (categoryId < 0)
{
return;
}
String templateName = this.textBoxMessageTemplateName.Text.Trim();
if (templateName == null || templateName == "")
{
MessageBox.Show("消息模板名称不能为空", "错误",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
this.buttonAddMessageTemplate.Enabled = false;
// Whether we have already added one message template with the same name.
MessageTemplateType existedMessagetTemplateType = MessageTemplateDAL.GetMessageTemplate(categoryId, templateName);
if (existedMessagetTemplateType != null)
{
MessageBox.Show("已存在此消息模板名，请输入不同消息模板名称！", "错误",
MessageBoxButtons.OK, MessageBoxIcon.Error);
this.buttonAddMessageTemplate.Enabled = true;
return;
}
String templateContent = this.richTextBoxMessageTemplateContent.Text.Trim();
if (templateContent == null || templateContent.Trim() == "")
{
MessageBox.Show("消息模板正文不能为空", "错误",
MessageBoxButtons.OK, MessageBoxIcon.Error);
this.buttonAddMessageTemplate.Enabled = true;
return;
}
MessageTemplateType templateType = new MessageTemplateType();
templateType.TemplateName = templateName;
templateType.TemplateContent = templateContent;
templateType.TemplateCategoryId = categoryId;
int newTemplateId = 0;
MessageTemplateDAL.InsertOneMessageTemplate(templateType, out newTemplateId);
TreeNode newNode = new TreeNode();
newNode.Text = templateName;
newNode.Tag = templateType;
treeViewMessageTemplate.SelectedNode.Nodes.Add(newNode);
treeViewMessageTemplate.SelectedNode.ExpandAll();
MessageBox.Show("成功添加消息模板！", "成功",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
this.buttonAddMessageTemplate.Enabled = true;
}
