directorylistingfrm.cpp

p2p技术C源代码.rar

		return; // unexpected

	// Check on tree children
	HTREEITEM hChild = ctrlTree.GetChildItem(hItem);
	char itemText[256];
	while(hChild != NULL)
	{
		if(!ctrlTree.GetItemText(hChild, itemText, 255))
			return; // unexpected
		if(Util::stricmp(*iPath, (string)itemText) == 0)
		{
			++iPath;
			if(iPath == iPathEnd)
			{
				ctrlTree.SelectItem(hChild);
				ctrlTree.EnsureVisible(hChild);
				return;
			}
			GoToDirectory(hChild, iPath, iPathEnd);
			return;
		}
		hChild = ctrlTree.GetNextItem(hChild, TVGN_NEXT);
	}
}

LRESULT DirectoryListingFrame::onContextMenu(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/) {
	RECT rc;                    // client area of window 
	POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };        // location of mouse click 
	
	fileMenu.RemoveMenu(IDC_GO_TO_DIRECTORY, MF_BYCOMMAND);

	// Get the bounding rectangle of the client area. 
	ctrlList.GetClientRect(&rc);
	ctrlList.ScreenToClient(&pt); 

	if (PtInRect(&rc, pt) && ctrlList.GetSelectedCount() > 0) {
		int n = 0;
		ctrlList.ClientToScreen(&pt);

		ItemInfo* ii = (ItemInfo*)ctrlList.GetItemData(ctrlList.GetNextItem(-1, LVNI_SELECTED));

		while(targetMenu.GetMenuItemCount() > 0) {
			targetMenu.DeleteMenu(0, MF_BYPOSITION);
		}

		if(ctrlList.GetSelectedCount() == 1 && ii->type == ItemInfo::FILE) {
			targetMenu.AppendMenu(MF_STRING, IDC_DOWNLOADTO, CSTRING(BROWSE));
			targets = QueueManager::getInstance()->getTargetsBySize(ii->file->getSize(), Util::getExtension(ii->file->getName()));
			if(targets.size() > 0) {
				targetMenu.AppendMenu(MF_SEPARATOR, 0, (LPCTSTR)NULL);
				for(StringIter i = targets.begin(); i != targets.end(); ++i) {
					targetMenu.AppendMenu(MF_STRING, IDC_DOWNLOAD_TARGET + (n++), i->c_str());
				}
			}
			if(ii->file->getAdls())
			{
				fileMenu.AppendMenu(MF_STRING, IDC_GO_TO_DIRECTORY, CSTRING(GO_TO_DIRECTORY));
			}
			fileMenu.TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, pt.x, pt.y, m_hWnd);
		} else {
			targetMenu.AppendMenu(MF_STRING, IDC_DOWNLOADTO, CSTRING(BROWSE));
			if(WinUtil::lastDirs.size() > 0) {
				targetMenu.AppendMenu(MF_SEPARATOR, 0, (LPCTSTR)NULL);
				for(StringIter i = WinUtil::lastDirs.begin(); i != WinUtil::lastDirs.end(); ++i) {
					targetMenu.AppendMenu(MF_STRING, IDC_DOWNLOAD_TARGET + (n++), i->c_str());
				}
			}
			if(ii->dir->getAdls() && ii->dir->getParent() != dl->getRoot())
			{
				fileMenu.AppendMenu(MF_STRING, IDC_GO_TO_DIRECTORY, CSTRING(GO_TO_DIRECTORY));
			}
			fileMenu.TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, pt.x, pt.y, m_hWnd);
		}
		
		return TRUE; 
	} else { 
		
		ctrlList.ClientToScreen(&pt);
		
		ctrlTree.GetClientRect(&rc);
		ctrlTree.ScreenToClient(&pt); 
		
		if (PtInRect(&rc, pt) && ctrlTree.GetSelectedItem() != NULL) 
		{ 
			// Strange, windows doesn't change the selection on right-click... (!)
			UINT a = 0;
			HTREEITEM ht = ctrlTree.HitTest(pt, &a);
			if(ht != NULL && ht != ctrlTree.GetSelectedItem())
				ctrlTree.SelectItem(ht);
			
			while(targetDirMenu.GetMenuItemCount() > 0) {
				targetDirMenu.DeleteMenu(0, MF_BYPOSITION);
			}

			targetDirMenu.AppendMenu(MF_STRING, IDC_DOWNLOADDIRTO, CSTRING(BROWSE));

			if(WinUtil::lastDirs.size() > 0) {
				targetDirMenu.AppendMenu(MF_SEPARATOR, 0, (LPCTSTR)NULL);
				int n = 0;
				for(StringIter i = WinUtil::lastDirs.begin(); i != WinUtil::lastDirs.end(); ++i) {
					targetDirMenu.AppendMenu(MF_STRING, IDC_DOWNLOAD_TARGET_DIR + (n++), i->c_str());
				}
			}
			
			ctrlTree.ClientToScreen(&pt);
			directoryMenu.TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, pt.x, pt.y, m_hWnd);
			
			return TRUE; 
		} 
	}
	
	return FALSE; 
}

LRESULT DirectoryListingFrame::onDownloadTarget(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/) {
	int newId = wID - IDC_DOWNLOAD_TARGET;
	dcassert(newId >= 0);
	
	if(ctrlList.GetSelectedCount() == 1) {
		ItemInfo* ii = (ItemInfo*)ctrlList.GetItemData(ctrlList.GetNextItem(-1, LVNI_SELECTED));

		if(ii->type == ItemInfo::FILE) {
			dcassert(newId < (int)targets.size());

			try {
				dl->download(ii->file, targets[newId]);
			} catch(const Exception& e) {
				ctrlStatus.SetText(0, e.getError().c_str());
			} 
		} else {
			dcassert(newId < (int)WinUtil::lastDirs.size());
			downloadList(WinUtil::lastDirs[newId]);
		}
	} else if(ctrlList.GetSelectedCount() > 1) {
		dcassert(newId < (int)WinUtil::lastDirs.size());
		downloadList(WinUtil::lastDirs[newId]);
	}
	return 0;
}

LRESULT DirectoryListingFrame::onDownloadTargetDir(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/) {
	int newId = wID - IDC_DOWNLOAD_TARGET_DIR;
	dcassert(newId >= 0);
	
	HTREEITEM t = ctrlTree.GetSelectedItem();
	if(t != NULL) {
		DirectoryListing::Directory* dir = (DirectoryListing::Directory*)ctrlTree.GetItemData(t);
		string target = SETTING(DOWNLOAD_DIRECTORY);
		try {
			dcassert(newId < (int)WinUtil::lastDirs.size());
			dl->download(dir, WinUtil::lastDirs[newId]);
		} catch(const Exception& e) {
			ctrlStatus.SetText(0, e.getError().c_str());
		}
	}
	return 0;
}

LRESULT DirectoryListingFrame::onKeyDown(int /*idCtrl*/, LPNMHDR pnmh, BOOL& /*bHandled*/) {
	NMLVKEYDOWN* kd = (NMLVKEYDOWN*) pnmh;
	if(kd->wVKey == VK_BACK) {
		HTREEITEM cur = ctrlTree.GetSelectedItem();
		if(cur != NULL)
		{
			HTREEITEM parent = ctrlTree.GetParentItem(cur);
			if(parent != NULL)
				ctrlTree.SelectItem(parent);
		}
	} else if(kd->wVKey == VK_TAB) {
		onTab();
	} else if(kd->wVKey == VK_RETURN) {
		if(ctrlList.GetSelectedCount() == 1) {
			ItemInfo* ii = (ItemInfo*)ctrlList.GetItemData(ctrlList.GetNextItem(-1, LVNI_SELECTED));
			if(ii->type == ItemInfo::DIRECTORY) {
				HTREEITEM ht = ctrlTree.GetChildItem(ctrlTree.GetSelectedItem());
				while(ht != NULL) {
					if((DirectoryListing::Directory*)ctrlTree.GetItemData(ht) == ii->dir) {
						ctrlTree.SelectItem(ht);
						break;
					}
					ht = ctrlTree.GetNextSiblingItem(ht);
				}
			} else {
				downloadList(SETTING(DOWNLOAD_DIRECTORY));
			}
		} else {
			downloadList(SETTING(DOWNLOAD_DIRECTORY));
		}
	}
	return 0;
}

int DirectoryListingFrame::sortFile(LPARAM a, LPARAM b) {
	ItemInfo* c = (ItemInfo*)a;
	ItemInfo* d = (ItemInfo*)b;
	
	if(c->type == ItemInfo::DIRECTORY) {
		if(d->type == ItemInfo::FILE) {
			return -1;
		}
		return Util::stricmp(c->dir->getName().c_str(), d->dir->getName().c_str());
	} else {
		if(d->type == ItemInfo::DIRECTORY) {
			return 1;
		}
		return Util::stricmp(c->file->getName().c_str(), d->file->getName().c_str());
	}
}

int DirectoryListingFrame::sortType(LPARAM a, LPARAM b) {
	ItemInfo* c = (ItemInfo*)a;
	ItemInfo* d = (ItemInfo*)b;
	
	if(c->type == ItemInfo::DIRECTORY) {
		if(d->type == ItemInfo::FILE) {
			return -1;
		}
		return Util::stricmp(c->dir->getName().c_str(), d->dir->getName().c_str());
	} else {
		if(d->type == ItemInfo::DIRECTORY) {
			return 1;
		}

		string::size_type k = c->file->getName().rfind('.');
		string suffix1 = (k != string::npos) ? c->file->getName().substr(k + 1) : Util::emptyString;
		k = d->file->getName().rfind('.');
		string suffix2 = (k != string::npos) ? d->file->getName().substr(k + 1) : Util::emptyString;
		
		return Util::stricmp(suffix1.c_str(), suffix2.c_str());
	}
}

int DirectoryListingFrame::sortSize(LPARAM a, LPARAM b) {
	ItemInfo* c = (ItemInfo*)a;
	ItemInfo* d = (ItemInfo*)b;

	if(c->type == ItemInfo::DIRECTORY) {
		if(d->type == ItemInfo::FILE) {
			return -1;
		}
		return compare(c->dir->getTotalSize(), d->dir->getTotalSize());
	} else {
		if(d->type == ItemInfo::DIRECTORY) {
			return 1;
		}
		return compare(c->file->getSize(), d->file->getSize());
	}
}

void DirectoryListingFrame::UpdateLayout(BOOL bResizeBars /* = TRUE */) {
	RECT rect;
	GetClientRect(&rect);
	// position bars and offset their dimensions
	UpdateBarsPosition(rect, bResizeBars);

	if(ctrlStatus.IsWindow()) {
		CRect sr;
		int w[8];
		ctrlStatus.GetClientRect(sr);
		w[7] = sr.right - 16;
#define setw(x) w[x] = max(w[x+1] - statusSizes[x], 0)
		setw(6); setw(5); setw(4); setw(3); setw(2); setw(1); setw(0);

		ctrlStatus.SetParts(8, w);

		ctrlStatus.GetRect(6, sr);

		sr.left = w[4];
		sr.right = w[5];
		ctrlMatchQueue.MoveWindow(sr);

		sr.left = w[5];
		sr.right = w[6];
		ctrlFind.MoveWindow(sr);

		sr.left = w[6];
		sr.right = w[7];
		ctrlFindNext.MoveWindow(sr);
	}

	SetSplitterRect(&rect);
}

HTREEITEM DirectoryListingFrame::findFile(const StringSearch& str, HTREEITEM root,
										  int &foundFile, int &skipHits)
{
	// Check dir name for match
	DirectoryListing::Directory* dir = (DirectoryListing::Directory*)ctrlTree.GetItemData(root);
	if(str.match(dir->getName()))
	{
		if(skipHits == 0)
		{
			foundFile = -1;
			return root;
		}
		else
			skipHits--;
	}

	// Force list pane to contain files of current dir
	changeDir(dir, FALSE);

	// Check file names in list pane
	for(int i=0; i<ctrlList.GetItemCount(); i++)
	{
		ItemInfo* ii = (ItemInfo*)ctrlList.GetItemData(i);
		if(ii->type == ItemInfo::FILE)
		{
			if(str.match(ii->file->getName()))
			{
				if(skipHits == 0)
				{
					foundFile = i;
					return root;
				}
				else
					skipHits--;
			}
		}
	}

	dcdebug("looking for directories...\n");
	// Check subdirs recursively
	HTREEITEM item = ctrlTree.GetChildItem(root);
	while(item != NULL)
	{
		HTREEITEM srch = findFile(str, item, foundFile, skipHits);
		if(srch)
			return srch;
		else
			item = ctrlTree.GetNextSiblingItem(item);
	}

	return 0;
}

void DirectoryListingFrame::findFile(bool findNext)
{
	if(!findNext)
	{
		// Prompt for substring to find
		LineDlg dlg;
		dlg.title = STRING(SEARCH_FOR_FILE);
		dlg.description = STRING(ENTER_SEARCH_STRING);
		dlg.line = Util::emptyString;

		if(dlg.DoModal() != IDOK)
			return;

		findStr = dlg.line;
		skipHits = 0;
	}
	else
		skipHits++;

	if(findStr.empty())
		return;

	// Do a search
	int foundFile = -1, skipHitsTmp = skipHits;
	HTREEITEM const oldDir = ctrlTree.GetSelectedItem();
	HTREEITEM const foundDir = findFile(StringSearch(findStr), ctrlTree.GetRootItem(), foundFile, skipHitsTmp);
	ctrlTree.SetRedraw(TRUE);

	if(foundDir)
	{
		// Highlight the directory tree and list if the parent dir/a matched dir was found
		if(foundFile >= 0)
		{
			// SelectItem won't update the list if SetRedraw was set to FALSE and then
			// to TRUE and the item selected is the same as the last one... workaround:
			if(oldDir == foundDir)
				ctrlTree.SelectItem(NULL);

			ctrlTree.SelectItem(foundDir);
		}
		else
		{
			// Got a dir; select its parent directory in the tree if there is one
			HTREEITEM parentItem = ctrlTree.GetParentItem(foundDir);
			if(parentItem)
			{
				// Go to parent file list
				ctrlTree.SelectItem(parentItem);

				// Locate the dir in the file list
				DirectoryListing::Directory* dir = (DirectoryListing::Directory*)ctrlTree.GetItemData(foundDir);
				foundFile = ctrlList.find(dir->getName(), -1, true);
			}
			else
			{
				// If no parent exists, just the dir tree item and skip the list highlighting
				ctrlTree.SelectItem(foundDir);
			}
		}

		// Remove prev. selection from file list
		if(ctrlList.GetSelectedCount() > 0)
		{
			for(int i=0; i<ctrlList.GetItemCount(); i++)
				ctrlList.SetItemState(i, 0, LVIS_SELECTED);
		}

		// Highlight and focus the dir/file if possible
		if(foundFile >= 0)
		{
			ctrlList.SetFocus();
			ctrlList.EnsureVisible(foundFile, FALSE);
			ctrlList.SetItemState(foundFile, LVIS_SELECTED | LVIS_FOCUSED, (UINT)-1);
		}
		else
			ctrlTree.SetFocus();
	}
	else
	{
		ctrlTree.SelectItem(oldDir);
		MessageBox(CSTRING(NO_MATCHES), CSTRING(SEARCH_FOR_FILE));
	}
}

/**
 * @file
 * $Id: DirectoryListingFrm.cpp,v 1.19 2003/07/15 14:53:12 arnetheduck Exp $
 */