//双击目录树结点打开文件或者文件夹
private void treeView_MouseDoubleClick(object sender, MouseEventArgs e)
{
TreeNode tn = treeView.SelectedNode;
if (tn.Tag.ToString() == "1") //打开文件夹
{
Stack <TreeNode> s = new Stack <TreeNode>();
s.Push(tn);
currentRoot = category.search(rootNode, tn.Text, FCB.FOLDER);
//更新路径
nowPath = "";
while (tn.Parent != null)
{
s.Push(tn.Parent);
tn = tn.Parent;
}
nowPath = "";
while (s.Count() != 0)
{
nowPath += "> " + s.Pop().Text;
}
textBoxSearch.Text = nowPath;
//刷新新目录下的界面
fileFormInit(currentRoot);
}
else if (tn.Tag.ToString() == "0") //打开文件
{
NoteForm file = new NoteForm(tn.Text.Replace(".txt", ""), this);
file.Show();
}
}
//更新所有日志信息,将所有的内容写入到本地
public void updateLog()
{
if (File.Exists(Application.StartupPath + "\\CategoryInfo.txt"))
{
File.Delete(Application.StartupPath + "\\CategoryInfo.txt");
}
Category.Node temp = new Category.Node();
string path = Application.StartupPath;
Queue <Category.Node> q = new Queue <Category.Node>();
q.Enqueue(category.root);
while (q.Count() != 0)
{
temp = q.Dequeue();
temp = temp.firstChild;
while (temp != null)
{
q.Enqueue(temp);
writeCategory(temp);
temp = temp.nextBrother;
}
}
writeBitMap();
writeMyDisk();
}
//判断控件内按钮点击
public void MyControlButtonClick(object sender, EventArgs e)
{
if (sender.GetType().ToString() == "System.Windows.Forms.Button")
{
Button bt = (Button)sender; //当前点击的按钮
if (bt.Tag.ToString() == "0") //文件
{
NoteForm file = new NoteForm(bt.Text, this); //弹出记事本窗口
file.Show();
}
else if (bt.Tag.ToString() == "1") //文件夹
{
currentRoot = category.search(rootNode, bt.Text, 1); //更改当前根节点
nowPath = nowPath + "> " + bt.Text; //更改当前路径
fileFormInit(currentRoot); //更新界面元素
}
}
else
{
string filename = fileWindow.contextMenuStrip_FileChoose.SourceControl.Text;
string type = fileWindow.contextMenuStrip_FileChoose.SourceControl.Tag.ToString();
if (((ToolStripMenuItem)sender).Name == "打开ToolStripMenuItem")
{
if (type == "0") //文件
{
NoteForm file = new NoteForm(filename, this);
file.Show();
}
else if (type == "1")//文件夹
{
currentRoot = category.search(rootNode, filename, 1);
nowPath = nowPath + "> " + filename;
fileFormInit(currentRoot);
}
}
else if (((ToolStripMenuItem)sender).Name == "删除ToolStripMenuItem")
{
if (type == "0")
{
delete(filename, 0);
}
else if (type == "1")
{
delete(filename, 1);
}
}
}
}
public MainForm()
{
this.StartPosition = FormStartPosition.CenterScreen;
FCB root = new FCB("root", FCB.FOLDER, "", 1);
rootNode = new Category.Node(root);
currentRoot = rootNode;
category.root = rootNode;
/*恢复文件管理系统*/
readFormDisk(); //读取目录信息文件
readBitMap(); //读取位图文件
readMyDisk(); //读取虚拟磁盘文件
InitializeComponent();
}
//创建目录树
public void createTreeView(Category.Node pNode)
{
if (pNode == null) //目录为空, 不需要创建目录树
{
return;
}
/*文件夹和文本文件分别创建目录树结点*/
TreeNode tn = new TreeNode();
if (pNode.fcb.type == FCB.FOLDER)
{
tn.Name = pNode.fcb.fileName;
tn.Text = pNode.fcb.fileName;
tn.Tag = 1;
tn.ImageIndex = 1;
tn.SelectedImageIndex = 1;
}
else if (pNode.fcb.type == FCB.TXTFILE)
{
tn.Name = pNode.fcb.fileName + ".txt";
tn.Text = pNode.fcb.fileName + ".txt";
tn.Tag = 0;
tn.ImageIndex = 0;
tn.SelectedImageIndex = 0;
}
/*只需按照一个左孩子一个右兄弟建立目录树*/
if (pNode.parent == rootNode)
{
treeView.Nodes.Add(tn);
}
else
{
CallAddNode(treeView, pNode.parent.fcb.fileName, tn);
}
createTreeView(pNode.firstChild);
createTreeView(pNode.nextBrother);
}
//初始化当前结点下的界面
public void fileFormInit(Category.Node now)
{
labelDiskSize.Text = "当前磁盘大小: " + MyDisk.size.ToString() + "B";
labelBlockSize.Text = "当前盘块大小: " + MyDisk.blockSize.ToString() + "B";
if (now.fcb.fileName == "root") //当前目录为root时禁用返回上一层按钮
{
buttonBack.Enabled = false;
}
else
{
buttonBack.Enabled = true;
}
textBoxSearch.Text = nowPath; //更新路径
string name = now.fcb.fileName;
//窗体初始化
this.fileWindow.Init();
//按照左孩子-右兄弟树的结构, 依次显示该目录下的文件夹/文件
if (now.firstChild == null)
{
return;
}
Category.Node temp = new Category.Node();
temp = now.firstChild;
fileWindow.showFiles(temp.fcb.fileName, temp.fcb.lastModify, temp.fcb.type, temp.fcb.size);
temp = temp.nextBrother;
while (temp != null)
{
FCB current = temp.fcb;
fileWindow.showFiles(temp.fcb.fileName, temp.fcb.lastModify, temp.fcb.type, temp.fcb.size);
temp = temp.nextBrother;
}
}
public void writeCategory(Category.Node pNode)
{
//当前结点的父结点
Category.Node parentNode = category.currentRootName(rootNode, pNode.fcb.fileName, pNode.fcb.type);
string InfoPath = Application.StartupPath + "\\CategoryInfo.txt";
StreamWriter writer = File.AppendText(InfoPath);
writer.WriteLine(parentNode.fcb.fileName); //写入父结点的名字
writer.WriteLine(pNode.fcb.fileName); //写入文件的名字
writer.WriteLine(pNode.fcb.type); //写入文件的类型
writer.WriteLine(pNode.fcb.lastModify); //写入最后修改的时间
writer.WriteLine(pNode.fcb.size); //写入文件的大小
if (pNode.fcb.type == FCB.TXTFILE) //写入文件的开始位置
{
writer.WriteLine(pNode.fcb.start);
}
else if (pNode.fcb.type == FCB.FOLDER) //若为文件夹则写入-1
{
writer.WriteLine(-1);
}
writer.WriteLine("#"); //一个结点写完
writer.Close();
}
//返回上一级目录
private void buttonBack_Click(object sender, EventArgs e)
{
nowPath = nowPath.Replace("> " + currentRoot.fcb.fileName, "");
currentRoot = currentRoot.parent;
fileFormInit(currentRoot);
}
