📄 page.cpp

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	int sel = m_list.GetNextSelectedItem(pos);
	s = m_list.GetItemText(sel,0);
	return true;
}
/////////////// dictionary ////////////////////
bool CPageFS::OnDicOpen()
{
	CString name;
	if(!GetSelectName(name))
		return false;
	Dictionary* dic = fs.getCurrent()->getDic(name);
	if(dic!=NULL)
	{
		SetView(dic);
		HTREEITEM item = m_tree.GetSelectedItem();
		item = m_tree.GetChildItem(item);
		while(m_tree.GetItemText(item) != name&&item != NULL)
			item = m_tree.GetNextItem(item,TVGN_NEXT);
		if(item !=NULL)
		{
			m_tree.SelectItem(item);
			return true;
		}
	}
	return false;
}
void CPageFS::OnDicRename()
{
	CNameDlg dlg(0,selDic->getName());
	if(dlg.DoModal() == IDCANCEL||dlg.name == selDic->getName())
		return;
	if(!Dictionary::isValidName(dlg.name))
	{
		MessageBox("非法的名称!","错误",MB_ICONERROR|MB_OK);
		return;
	}
	Dictionary*current = fs.getCurrent();
	if(current->getFile(dlg.name)!=NULL||current->getDic(dlg.name)!=NULL)
	{
		MessageBox("文件重名!","错误",MB_ICONERROR|MB_OK);
		return;
	}
	selDic->setName(dlg.name);
	DeleteNode(m_tree.GetSelectedItem(),selDic);
	InsertNode(m_tree.GetSelectedItem(),selDic);
	SetView(current);
}
void CPageFS::OnDicDelete()
{
	CString msg = "确实要删除文件夹\"";
	msg+=selDic->getName();
	msg+="\"吗？";
	if(MessageBox(msg,"确认删除",MB_OKCANCEL|MB_ICONQUESTION) == IDCANCEL)
		return;
	Dictionary* dic = fs.getCurrent();
	HTREEITEM item = m_tree.GetSelectedItem();
	item = m_tree.GetChildItem(item);
	while(item!=NULL)
	{
		if(m_tree.GetItemText(item) == selDic->getName())
		{
			m_tree.DeleteItem(item);
			break;
		}
		item = m_tree.GetNextItem(item,TVGN_NEXT);
	}
	dic->deleteDic(selDic->getName());
	SetView(dic);
}
void CPageFS::OnDicCut()
{
	cDic = selDic;
	cFather = fs.getCurrent();
	isCut = true;
	canPaste = true;
	isFile = false;
}
void CPageFS::OnDicCopy()
{
	cDic = selDic;
	cFather = fs.getCurrent();
	isCut = false;
	canPaste = true;
	isFile = false;
}
void CPageFS::OnDicINF()
{
	CDINFDlg dlg(0,selDic->getName(),selDic->getPath(),
		selDic->getFilesNum(),selDic->getDicsNum(),
		selDic->getSize(),selDic->getSpace(),selDic->getBlockNum());
	dlg.DoModal();
}
/////////////// file ////////////////////
bool CPageFS::OnFileOpen()
{
	CString name;
	if(!GetSelectName(name))
		return false;
	File*f = fs.getCurrent()->getFile(name);
	if(f!=NULL)
	{
		CString txt;
		int size = f->getSize();
		char*buffer = NULL;
		if(size != 0)
		{
			buffer = new char[size];
			if(f->read(buffer))
			txt.Append(buffer,size);
		}
		
		CEditDlg dlg(NULL,txt);
		while(dlg.DoModal() == IDOK)
		{
			txt = dlg.string;
			f->empty();
			if(!f->write(txt.GetLength(),txt))
			{
				MessageBox("文本太长！","错误",MB_OK|MB_ICONWARNING);
				f->empty();
				f->write(size,buffer);
				continue;
			}
			break;
		}
		if(buffer!=NULL)
		delete[]buffer;
		return true;
	}
	MessageBox("打开文件出错！","错误",MB_OK|MB_ICONWARNING);
	return false;
}
void CPageFS::OnFileRun()
{
	CMainDlg*dlg = (CMainDlg*)this->GetParent();
	CString code = "";
	int size = selFile->getSize();
	if(size!=0)
	{
		char*c = new char[size];
		selFile->read(c);
		code.Append(c,size);
		delete[]c;
	}
	dlg->SetActivePage(2);
	CPageProEdit&pg = dlg->m_pgEdit;
	pg.SetDlgItemText(IDC_EDIT1,code);
	pg.OnBnClickedLoad();
}
void CPageFS::OnFileRename()
{
	CNameDlg dlg(0,selFile->getName());
	if(dlg.DoModal() == IDCANCEL||dlg.name == selFile->getName())
		return;
	if(!Dictionary::isValidName(dlg.name))
	{
		MessageBox("非法的名称!","错误",MB_ICONERROR|MB_OK);
		return;
	}
	Dictionary*current = fs.getCurrent();
	if(current->getFile(dlg.name)!=NULL||current->getDic(dlg.name)!=NULL)
	{
		MessageBox("文件重名!","错误",MB_ICONERROR|MB_OK);
		return;
	}
	selFile->setName(dlg.name);
	SetView(current);
}
void CPageFS::OnFileDelete()
{
	CString msg = "确实要删除文件\"";
	msg+=selFile->getName();
	msg+="\"吗？";
	if(MessageBox(msg,"确认删除",MB_OKCANCEL|MB_ICONQUESTION) == IDCANCEL)
		return;
	Dictionary* dic = fs.getCurrent();
	dic->deleteFile(selFile->getName());
	SetView(dic);
}
void CPageFS::OnFileCut()
{
	cFile = selFile;
	cFather = fs.getCurrent();
	isCut = true;
	canPaste = true;
	isFile = true;
}
void CPageFS::OnFileCopy()
{
	cFile = selFile;
	cFather = fs.getCurrent();
	isCut = false;
	canPaste = true;
	isFile = true;
}
void CPageFS::OnFileINF()
{
	CString path = fs.getCurrent()->getPath()+fs.getCurrent()->getName()+"\\";
	CFINFDlg dlg(0,selFile->getName(),path,selFile->getSize(),selFile->getSpace(),selFile->getBlockNum());
	dlg.DoModal();
}
/////////////// blank ////////////////////
void CPageFS::OnFileNew()
{
	Dictionary* dic = fs.getCurrent();
	CNameDlg dlg;
	CString name;
	int msg;
	File*nFile;
	if(dlg.DoModal() == IDCANCEL)
			return;
	msg = dic->createFile(dlg.name,nFile,0,0);
	switch(msg)
	{
	case BAD_NAME:
		MessageBox("非法的名称!","错误",MB_ICONERROR|MB_OK);
		break;
	case NAME_EXIST:
		MessageBox("文件有重名!","错误",MB_ICONERROR|MB_OK);
		break;
	case DICT_OUT:
		MessageBox("已经达到最大文件数!","错误",MB_ICONERROR|MB_OK);
		break;
	default:
		SetView(dic);
	}
}
void CPageFS::OnDicNew()
{
	Dictionary* dic = fs.getCurrent();
	CNameDlg dlg;
	CString name;
	int msg;
	Dictionary*nDic;

	if(dlg.DoModal() == IDCANCEL)
		return;
	msg = dic->createDic(dlg.name,nDic);
	switch(msg)
	{
	case BAD_NAME:
		MessageBox("非法的名称!","错误",MB_ICONERROR|MB_OK);
		break;
	case NAME_EXIST:
		MessageBox("文件有重名!","错误",MB_ICONERROR|MB_OK);
		break;
	case DICT_OUT:
		MessageBox("已经达到最大文件数!","错误",MB_ICONERROR|MB_OK);
		break;
	default:
		SetView(dic);
		InsertNode(m_tree.GetSelectedItem(),nDic);
	}
}
void CPageFS::OnPaste()
{
	Dictionary*current = fs.getCurrent();
	//cut
	if(isCut)
	{
		canPaste = false;
		
		//paste file
		if(isFile)
		{	if(cFather == fs.getCurrent())
			{
				cFile->getName();
				return;
			}	
			cFile->getName();
			int msg = current->addFile(cFile);
			if(msg == DICT_OUT)
				MessageBox("粘贴失败，文件已满！","错误",MB_OK|MB_ICONERROR);
			else if(msg == NAME_EXIST)
				MessageBox("粘贴失败，有重名！","错误",MB_OK|MB_ICONERROR);
			if(msg!=0)
			{
				canPaste = false;
				return;
			}
			if(!cFather->removeFile(cFile))
				MessageBox("删除源文件失败！","错误",MB_OK|MB_ICONERROR);
			
			this->SetView(current);
		}else{//paste dictionary
				if(cFather == fs.getCurrent())
				{
					cDic->getName();
					return;
				}
			int msg = current->addDic(cDic);
			if(msg == DICT_OUT)
				MessageBox("粘贴失败，文件夹已满！","错误",MB_OK|MB_ICONERROR);
			else if(msg == NAME_EXIST)
				MessageBox("粘贴失败，有重名！","错误",MB_OK|MB_ICONERROR);
			else if(msg == PASTE_FATHER)
				MessageBox("无法粘贴父目录！","错误",MB_OK|MB_ICONERROR);
			if(msg!=0)
			{
				canPaste = false;
				return;
			}
			if(!cFather->removeDic(cDic))
				MessageBox("删除源文件失败！","错误",MB_OK|MB_ICONERROR);
			DeleteNode(m_tree.GetRootItem(),cDic);
			InsertNode(m_tree.GetSelectedItem(),cDic);
			this->SetView(current);
		}
	}else{//copy
		//paste file
		if(isFile)
		{
			cFile->getName();
			File*f = cFile->getCopy();
			int msg = current->addFile(f);
			if(msg == DICT_OUT)
				MessageBox("粘贴失败，文件已满！","错误",MB_OK|MB_ICONERROR);
			else if(msg == NAME_EXIST)
				MessageBox("粘贴失败！","错误",MB_OK|MB_ICONERROR);
			if(msg!=0)
			{
				canPaste = false;
				return;
			}
			this->SetView(current);
		}else{
			cDic->getName();
			Dictionary*d = cDic->getCopy(current);
			int msg = current->addDic(d);
			if(msg == DICT_OUT)
				MessageBox("粘贴失败，文件已满！","错误",MB_OK|MB_ICONERROR);
			else if(msg == NAME_EXIST)
				MessageBox("粘贴失败！","错误",MB_OK|MB_ICONERROR);
			if(msg!=0)
			{
				canPaste = false;
				return;
			}
			this->InsertNode(m_tree.GetSelectedItem(),d);
			this->SetView(current);
		}
	}
}
///////////////windows message///////////////////
LRESULT CPageFS::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
	if(message != WM_COMMAND)
		return CPropertyPage::WindowProc(message, wParam, lParam);
	//file
	if(selFile!=NULL)
	{
		switch(LOWORD(wParam))
		{
		case ID_OPEN:
			OnFileOpen();
			break;
		case ID_RENAME:
			OnFileRename();
			break;
		case ID_DELETE:
			OnFileDelete();
			break;
		case ID_CUT:
			OnFileCut();
			break;
		case ID_COPY:
			OnFileCopy();
			break;
		case ID_INF:
			OnFileINF();
			break;
		case ID_RUN:
			OnFileRun();
			break;
		}
	}
	//dictionary
	else if(selDic!=NULL)
	{
		switch(LOWORD(wParam))
		{
		case ID_OPEN:
			OnDicOpen();
			break;
		case ID_RENAME:
			OnDicRename();
			break;
		case ID_DELETE:
			OnDicDelete();
			break;
		case ID_CUT:
			OnDicCut();
			break;
		case ID_COPY:
			OnDicCopy();
			break;
		case ID_INF:
			OnDicINF();
			break;
		}
	}//blank
	else
	{
		switch(LOWORD(wParam))
		{
		case ID_NEW_DIC:
			OnDicNew();
			break;
		case ID_NEW_FILE:
			OnFileNew();
			break;
		case ID_PASTE:
			try{
				OnPaste();
			}catch(...)
			{
				MessageBox("读取源文件失败！","错误",MB_ICONERROR);
				canPaste = false;
			}
			break;
		}
	}

	return CPropertyPage::WindowProc(message, wParam, lParam);
}
void CPageFS::OnNMRclickListFs(NMHDR *pNMHDR, LRESULT *pResult)
{	
	selFile = NULL;
	selDic = NULL;
	DWORD dpos = GetMessagePos();
	POINTS ps = MAKEPOINTS(dpos);
	POINT p;
	p.x = ps.x;
	p.y = ps.y;
	POSITION pos = m_list.GetFirstSelectedItemPosition();
	int sel = -1;
	if(pos!=NULL)
	sel = m_list.GetNextSelectedItem(pos);

	CMenu menu;
	menu.LoadMenu(IDR_MENU_FS);
	int sub = -1;
	//click on blank space
	if(sel == -1)
		sub = 0;
	else{
		CString name = m_list.GetItemText(sel,0);
		Dictionary*dic = fs.getCurrent();

		//click on a file
		selFile = dic->getFile(name);
		if(selFile!=NULL)
			sub = 1;
		else{
			selDic = dic->getDic(name);
			if(selDic!=NULL)
			sub = 2;
		}
	}
	if(sub>=0)
	{
		CMenu*pop = menu.GetSubMenu(sub);
		if(!canPaste)
			pop->EnableMenuItem(ID_PASTE,TRUE);
		pop->TrackPopupMenu(0,p.x,p.y,this);
	}
	*pResult = 0;
}

void CPageFS::OnTvnSelchangedTreeFs(NMHDR *pNMHDR, LRESULT *pResult)
{
	LPNMTREEVIEW pnw = reinterpret_cast<LPNMTREEVIEW>(pNMHDR);
	HTREEITEM item = m_tree.GetSelectedItem();
	Dictionary*dic = (Dictionary*)(m_tree.GetItemData(item));
	fs.setCurrent(dic);
	SetView(dic);
	*pResult = 0;
}
void CPageFS::OnNMDblclkListFs(NMHDR *pNMHDR, LRESULT *pResult)
{
	if(!OnDicOpen())
		OnFileOpen();
	*pResult = 0;
}
void CPageFS::OnBnClickedButtonFormat()
{
	int sel = MessageBox("格式化将会删除所有数据，你确定要执行该操作吗？","警告",MB_OKCANCEL|MB_ICONQUESTION);
	if(sel == IDCANCEL)
		return;
	fs.format();
	SetView(fs.getRoot());
	HTREEITEM ritem = m_tree.GetRootItem();
	HTREEITEM item = m_tree.GetChildItem(ritem);
	while(item!=0)
	{
		m_tree.DeleteItem(item);
		item = m_tree.GetChildItem(ritem);
	}
	MessageBox("格式化已完成！","完成",MB_OK);
}

void CPageFS::OnBnClickedButtonDisk()
{
	Dictionary*root = fs.getRoot();
	int size = root->getSize();
	int free = fs.getFreeSize();
	int frag = DISK_SIZE-size-free;
	CDiskINFDlg dlg(0,root->getFilesNum(),root->getDicsNum()+1,BLOCK_NUM,DISK_SIZE,size,free,frag);
	dlg.DoModal();
}
void CPageFS::OnBnClickedButtonUp()
{
	HTREEITEM item= m_tree.GetSelectedItem();
	item = m_tree.GetParentItem(item);
	if(item!=NULL)
	{
		m_tree.SelectItem(item);
		Dictionary*up = (Dictionary*)m_tree.GetItemData(item);
		fs.setCurrent(up);
		this->SetView(up);
	}else
		MessageBox("已到根目录！");
}

//void CPageFS::OnLvnEndlabeleditListFs(NMHDR *pNMHDR, LRESULT *pResult)
//{
//	NMLVDISPINFO *pDispInfo = reinterpret_cast<NMLVDISPINFO*>(pNMHDR);
//	pResult = 0;
//	return;
//	CString name;
//	if(!GetSelectName(name))
//	{
//		*pResult = 0;
//		return;
//	}
//	Dictionary*current = fs.getCurrent();
//	selFile = current->getFile(name);
//	if(selFile !=NULL)
//		this->OnFileRename();
//	else{
//		selDic = current->getDic(name);
//		if(selDic !=NULL)
//		{
//			CString nm = pDispInfo->item.pszText;
//			if(nm == selDic->getName())
//				return;
//			if(!Dictionary::isValidName(nm))
//			{
//				MessageBox("非法的名称!","错误",MB_ICONERROR|MB_OK);
//				*pResult = 0;
//				return;
//			}
//			if(current->getFile(nm)!=NULL||current->getDic(nm)!=NULL)
//			{
//				MessageBox("文件重名!","错误",MB_ICONERROR|MB_OK);
//				*pResult = 0;
//				return;
//			}
//			selDic->setName(nm);
//			DeleteNode(m_tree.GetSelectedItem(),selDic);
//			InsertNode(m_tree.GetSelectedItem(),selDic);
//			SetView(current);
//		}
//	}
//	*pResult = 0;
//}
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