/// <summary>
/// 界面数据初始化
/// </summary>
private void MainWindow_Load()
{
PropertyNodeItem pni = new PropertyNodeItem()
{
Icon = str_icon_path + "computer.png",
DisplayName = "我的电脑",
Name = "我的电脑",
isDir = true
};
PropertyNodeItem node5 = new PropertyNodeItem()
{
DisplayName = "Tag No.5",
Name = "测试用的无效节点"
};
//初始化树
//获得所有硬盘分区
foreach (DriveInfo driveitem in DriveInfo.GetDrives())
{
//将硬盘分区名称添加保存到硬盘信息里
list_dick_name.Add(driveitem.Name);
string str_type = driveitem.DriveType.ToString();
str_type = drivetype_dict[str_type];
//将分区硬盘信息添加到详细信息里
list_info.Add(new FileNode(false, driveitem.Name, "", str_type, "", str_icon_path + "disk.png"));
//将硬盘名称添加到树列表中
string str = driveitem.Name;
str = str.Substring(0, str.Length - 1);
//添加到树节点中
PropertyNodeItem node_tmp = new PropertyNodeItem()
{
Icon = str_icon_path + "disk.png",
DisplayName = str,
Name = driveitem.Name,
isDir = true
};
//当磁盘访问就绪时才添加树子节点
if (driveitem.IsReady)
{
node_tmp.Children.Add(node5);
}
pni.Children.Add(node_tmp);
}
itemList.Add(pni);
this.treeView_Dir.ItemsSource = itemList;
//初始化详细信息
dataGrid_Info.DataContext = list_info;
//listView_Info.DataContext = list_info;
//将返回上一级按钮更改为不可使用
this.btn_last_path.IsEnabled = false;
}
/// <summary>
/// TreeView的鼠标双击事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void treeView_Dir_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
//判断是否选中
if (treeView_Dir.SelectedItem == null)
{
return;
}
PropertyNodeItem pro = treeView_Dir.SelectedItem as PropertyNodeItem;
//判断是否为文件,是文件则打开文件
if (pro.isDir == false)
{
System.Diagnostics.Process.Start(pro.Name);
return;
}
//如果双击的“我的电脑”,不操作
if (pro.Name == "我的电脑")
{
return;
}
GetChildDirectory(pro.Name);
}
/// <summary>
/// TreeView的节点展开触发事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void treeView_Dir_Expanded(object sender, RoutedEventArgs e)
{
PropertyNodeItem node5 = new PropertyNodeItem()
{
DisplayName = "Tag No.5",
Name = "测试用无效节点"
};
TreeViewItem treeitem = e.OriginalSource as TreeViewItem;
PropertyNodeItem pro = treeitem.DataContext as PropertyNodeItem;
if (pro.Name == "我的电脑")
{
return; //如果是根节点则退出
}
pro.Children.Clear(); //清空子节点，强制重刷新（耗时）
//提取出当前路径
string path = pro.Name;
//获取当前目录下的所有子目录的文件名称
List <string> list_tree_dir = new FileOperations().GetCurrentDirectoryOnDirname(path);
if (list_tree_dir != null)
{
foreach (string strdir in list_tree_dir)
{
PropertyNodeItem nodedir = new PropertyNodeItem()
{
Icon = str_icon_path + "folder.png",
DisplayName = strdir,
Name = path + strdir + "\\",
isDir = true
};
nodedir.Children.Add(node5);//给子目录添加一个无效节点，在打开目录时删除该节点
pro.Children.Add(nodedir);
}
}
//获取当前目录下的所有文件的名名称
string[] str_tmp;
string str_tmp_icon_name = "";
int index = -1;
List <string> list_tree_file = new FileOperations().GetCurrentDirectoryOnFilename(path);
if (list_tree_file != null)
{
foreach (string strdir in list_tree_file)
{
str_tmp_icon_name = "_blank.png";
str_tmp = strdir.Split('.');
//判断是否有后缀,用'.'拆分出的数组元素为两个就证明有后缀
if (str_tmp.Count() > 1)
{
index = str_tmp.Count() - 1; //始终将拆分出最后一个字符串作为类型
//获取文件类型对应图标路径
if (Icon_path.ContainsKey(str_tmp[index].ToLower())) //判断是否存在相应的键
{
str_tmp_icon_name = Icon_path[str_tmp[index]];
}
}
str_tmp = null;
PropertyNodeItem nodedir = new PropertyNodeItem()
{
Icon = str_icon_path + str_tmp_icon_name,
DisplayName = strdir,
Name = path + strdir,
isDir = false
};
pro.Children.Add(nodedir);
}
}
}