private stImage DB_GetImageByImageID(int image_id, Int64 image_state)
{
stImage img = new stImage();
var k = new ImageKeys(image_id, image_state);
if (_imgMap.ContainsKey(k))
{
img = _imgMap[k];
}
else
{
using (SQLiteConnection conn = new SQLiteConnection(_sqlCon))
{
conn.Open();
string sql = string.Format("select * from tb_image where image_id={0} and image_state={1}", image_id, image_state);
SQLiteCommand command = new SQLiteCommand(sql, conn);
SQLiteDataReader reader = command.ExecuteReader();
while (reader.Read())
{
img.ID = (Int64)reader["id"];
img.Img = BytesToImage((byte[])reader["image"]);
img.Image_ID = (Int64)reader["image_id"];
img.Image_State = (Int64)reader["image_state"];
img.Image_Level = (Int64)reader["image_level"];
img.Image_Name = reader["image_name"] == null ? "" : reader["image_name"].ToString();
var new_key = new ImageKeys(img.Image_ID, img.Image_State);
_imgMap[new_key] = img;
}
}
}
return(img);
}
private void MainForm_Load(object sender, EventArgs e)
{
imageList1.Images.Clear();
List <stImage> imgList = DB_LoadImage();
for (int n = 0; n < imgList.Count; n++)
{
imageList1.Images.Add(imgList[n].Img);
var new_key = new ImageKeys(imgList[n].Image_ID, imgList[n].Image_State);
//ImageList控件上的图片对应DB的ID
_imgIndexImgIDMap.Add(n, new_key);
//缓存图片信息
_imgMap.Add(new_key, imgList[n]);
}
RefreshListView();
InitConfigItem();
UpdateJsonStr = mapControl1.UpdateJsonStr;
ResetMap = mapControl1.ResetMap;
GetJson = mapControl1.ImageArray2Json;
mapControl1.SetImageList(imageList1);
mapControl1.SetImageIndex(-1);
mapControl1._UpdateJson = UpdateJsonText;
mapControl1._GetImageByID = DB_GetImageByImageID;
mapControl1._OnClickPB = OnClickPb;
InitJsonText();
textBox4.SelectionStart = 0;
textBox4.SelectionLength = 0;
}
private void DB_DeleteImage(ImageKeys k)
{
using (SQLiteConnection conn = new SQLiteConnection(_sqlCon))
{
conn.Open();
string sql = string.Format("delete from tb_image where image_id ={0} and image_state={1}", k.Image_ID, k.Image_State);
SQLiteCommand command = new SQLiteCommand(sql, conn);
command.ExecuteNonQuery();
}
}
private void button_Delete_Click(object sender, EventArgs e)
{
if (textBox_ImageID.Text == "" || _cur_Image_Index == -1)
{
return;
}
if (MessageBox.Show(string.Format("确定要删除元素{0}-{1}？", textBox_ImageID.Text, textBox_State.Text), "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.OK)
{
var cur_key = new ImageKeys(Convert.ToInt64(textBox_ImageID.Text), Convert.ToInt64(textBox_State.Text));
//数据库中删除图片
DB_DeleteImage(_imgIndexImgIDMap[_cur_Image_Index]);
_imgIndexImgIDMap.Remove(_cur_Image_Index);
RefreshListView();
ClearSelectedInfo();
}
}
public void UpdateImageInfo(ImageKeys oldIK, ImageKeys newIK)
{
for (int x = 0; x < 9; x++)
{
for (int y = 0; y < 9; y++)
{
foreach (KeyValuePair <int, ImageProperty> kv in _ImageArray[x, y])
{
if (kv.Value.Image_ID == oldIK.Image_ID && kv.Value.Image_State == oldIK.Image_State)
{
_ImageArray[x, y][kv.Key].Image_ID = newIK.Image_ID;
_ImageArray[x, y][kv.Key].Image_State = newIK.Image_State;
}
}
}
}
}
void UpdateImageInfo(ImageKeys oldkey, ImageKeys newkey, string newtext)
{
Control[] lvs = this.Controls.Find("lv", true);
foreach (var lv in lvs)
{
foreach (ListViewItem item in ((ListView)lv).Items)
{
var oldname = string.Format("{0}%{1}", oldkey.Image_ID, oldkey.Image_State);
if (item.Name == oldname)
{
var newname = string.Format("{0}%{1}", newkey.Image_ID, newkey.Image_State);
item.Name = newname;
item.Text = newtext;
return;
}
}
}
}
private void button_Add_Click(object sender, EventArgs e)
{
//设置打开文件控件
OpenFileDialog openfile = new OpenFileDialog();
openfile.Filter = "JPG(*.JPG;*.JPEG);gif文件(*.GIF);BMP文件(*.BMP);PNG文件(*.PNG)|*.jpg;*.jpeg;*.gif;*.bmp;*.png";
openfile.FilterIndex = 1; //当前选定索引
openfile.RestoreDirectory = true;
openfile.FileName = "";
//对话框选择确定按钮
if (openfile.ShowDialog() == DialogResult.OK)
{
try
{
//FromFile从指定的文件创建Image
Image img = Image.FromFile(openfile.FileName);
//图片加载到ImageList控件和imageList图片列表
Int64 img_id = DB_GetMaxImgID() + 1;
DB_SaveImage(img_id, img);
var new_key = new ImageKeys(img_id, 1);
_imgIndexImgIDMap.Add(imageList1.Images.Count, new_key);
imageList1.Images.Add(img);
//缓存图片信息
stImage newImg = new stImage();
newImg.ID = img_id;
newImg.Image_ID = img_id;
newImg.Image_State = 1;
_imgMap.Add(new_key, newImg);
RefreshListView();
}
catch (Exception error)
{
MessageBox.Show(error.Message);
}
}
}
private void button1_Click(object sender, EventArgs e)
{
try
{
if (!IsNumberic(textBox_ImageID.Text))
{
MessageBox.Show("元素ID不能包含字符串!");
return;
}
var image_id = Convert.ToInt64(textBox_ImageID.Text);
if (!IsNumberic(textBox_State.Text))
{
MessageBox.Show("元素状态不能包含字符串!");
return;
}
var image_state = Convert.ToInt64(textBox_State.Text);
var new_key = new ImageKeys(image_id, image_state);
var old_key = new ImageKeys(_cur_Image_ID, _cur_Image_State);
if (!IsNumberic(textBox_Level.Text))
{
MessageBox.Show("元素层级不能包含字符串!");
return;
}
if (!_imgMap.ContainsKey(old_key))
{
MessageBox.Show("当前选中元素不存在!");
return;
}
string sql = "";
if (_cur_Image_ID != Convert.ToInt64(textBox_ImageID.Text) || _cur_Image_State != Convert.ToInt64(textBox_State.Text))
{
if (DB_IsImgIDExist(image_id, image_state))
{
MessageBox.Show(string.Format("该键值({0}-{1})已经存在!", image_id, image_state));
return;
}
var temp_img_info = _imgMap[old_key];
temp_img_info.Image_ID = image_id;
temp_img_info.Image_State = image_state;
_imgMap.Add(new_key, temp_img_info);
_imgMap.Remove(old_key);
_imgIndexImgIDMap[(int)_cur_Image_Index] = new_key;
sql += string.Format("update tb_image set image_id={0},image_state={1} where id={2};", image_id, image_state, _cur_ID);
}
if (_cur_Image_Name != textBox_Name.Text)
{
_imgMap[new_key].Image_Name = textBox_Name.Text;
sql += string.Format("update tb_image set image_name='{0}' where id={1};", textBox_Name.Text, _cur_ID);
}
bool change_level = false;
if (_cur_Image_level != Convert.ToInt64(textBox_Level.Text))
{
_imgMap[new_key].Image_Level = Convert.ToInt64(textBox_Level.Text);
sql += string.Format("update tb_image set image_level='{0}' where id={1};", Convert.ToInt64(textBox_Level.Text), _cur_ID);
change_level = true;
}
if (sql != "")
{
ExecuteSql(sql);
if (change_level)
{
RefreshListView();
}
else
{
UpdateImageInfo(old_key, new_key, textBox_Name.Text);
}
mapControl1.UpdateImageInfo(old_key, new_key);
UpdateJsonStr();
label4.Text = "tips:更新成功";
}
//重置当前选中图片信息
_cur_Image_ID = (int)image_id;
_cur_Image_State = image_state;
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
}