// Load all message templates.
private void LoadAllMessageTemplates()
{
DataTable dtTemplates = MessageTemplateDAL.GetAllMessageTemplates();
foreach (DataRow dr in dtTemplates.Rows)
{
int templateId = StringUtil.GetSafeInt(dr["TemplateId"]);
int templateCategoryId = StringUtil.GetSafeInt(dr["TemplateCategoryId"]);
String templateName = StringUtil.GetSafeString(dr["TemplateName"]);
String templateContent = StringUtil.GetSafeString(dr["TemplateContent"]);
MessageTemplateType templateType = new MessageTemplateType();
templateType.TemplateId = templateId;
templateType.TemplateName = templateName;
templateType.TemplateCategoryId = templateCategoryId;
templateType.TemplateContent = templateContent;
TreeNode newNode = new TreeNode();
newNode.Tag = templateType;
newNode.Text = templateName;
newNode.Name = templateId.ToString();
// Find the category node.
TreeNode[] categoryNodes = treeViewMessageTemplate.Nodes.Find(templateCategoryId.ToString(), false);
if (categoryNodes.Length == 1)
{
categoryNodes[0].Nodes.Add(newNode);
categoryNodes[0].ExpandAll();
}
}
}
// Invoked when user right click one message template and chose to delete that message template.
private void ToolStripMenuItemDelMessageTemplate_Click(object sender, EventArgs e)
{
TreeNode node = treeViewMessageTemplate.SelectedNode;
if (node == null)
{
return;
}
if (node.Tag == null)
{
return;
}
if (node.Tag.GetType() != typeof(MessageTemplateType))
{
return;
}
MessageTemplateType messageTemplate = (MessageTemplateType)node.Tag;
if (messageTemplate == null)
{
return;
}
MessageTemplateDAL.DeleteOneMessageTemplate(messageTemplate.TemplateId);
// Find the category node.
TreeNode[] categoryNodes = treeViewMessageTemplate.Nodes.Find(messageTemplate.TemplateCategoryId.ToString(), false);
if (categoryNodes.Length > 0)
{
categoryNodes[0].Nodes.Remove(node);
}
}
// 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);
}
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();
}
} // treeViewMessageTemplate_AfterSelect
private void buttonModifyMessageTemplate_Click(object sender, EventArgs e)
{
TreeNode node = treeViewMessageTemplate.SelectedNode;
if (node == null)
{
return;
}
if (node.Tag == null)
{
return;
}
if (node.Tag.GetType() != typeof(MessageTemplateType))
{
return;
}
MessageTemplateType messageTemplate = (MessageTemplateType)node.Tag;
if (messageTemplate == null)
{
return;
}
this.buttonModifyMessageTemplate.Enabled = false;
int templateId = messageTemplate.TemplateId;
int templateCategoryId = messageTemplate.TemplateCategoryId;
String templateName = StringUtil.GetSafeString(this.textBoxMessageTemplateName.Text);
String templateContent = StringUtil.GetSafeString(this.richTextBoxMessageTemplateContent.Text);
messageTemplate.TemplateName = templateName;
messageTemplate.TemplateContent = templateContent;
MessageTemplateDAL.ModifyOneMessageTemplate(messageTemplate);
MessageBox.Show("成功修改消息模板！", "成功",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
this.buttonModifyMessageTemplate.Enabled = true;
}
// 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;
}
