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/* $Id: cursesfilereq.H,v 1.2 2004/11/20 02:37:20 mrsam Exp $
**
** Copyright 2002, Double Precision Inc.
**
** See COPYING for distribution information.
*/
#ifndef cursesfilereq_H
#define cursesfilereq_H
#include "../curses/curses_config.h"
#include "cursescontainer.H"
#include "curseskeyhandler.H"
#include "cursesfield.H"
#include "curseslabel.H"
#include "cursesvscroll.H"
#include <vector>
class CursesMainScreen;
////////////////////////////////////////////////////////////////////////////
//
// A file requester dialog. It consists of an editable field, where file
// or a directory name may be manually entered, and scrollable contents of
// the current directory (and some miscellaneous labels, here and there)
class CursesFileReq : public CursesContainer,
public CursesKeyHandler {
struct Direntry {
std::string name;
unsigned long size;
bool isDir;
};
// Sorting collator - directories go first.
class DirentryComparator {
static int group(const Direntry &d);
public:
bool operator()(const Direntry &a, const Direntry &b);
};
class Dirlist : public CursesVScroll {
CursesFileReq *parent;
std::vector<Direntry> directory; // True - this is a dir entry
int currentRow; // Current row where the cursor is
void drawItem(size_t n);
public:
Dirlist(CursesFileReq *parentArg);
~Dirlist();
// This is a child of CursesFileReq, and its size is
// automatically extended to the bottom of its parent.
// Its width is the same as the parent's width.
int getHeight() const;
int getWidth() const;
bool isFocusable(); // Yes we are.
void focusGained(); // Move to the first row
void focusLost(); // Turn off cursor
void draw();
// Even though this is a CursesContainer subclass, its focus
// behavior must be the same as Curses's focus behavior
// (the default CursesContainer implementation doesn't work,
// because this object does not have any children).
Curses *getPrevFocus();
Curses *getNextFocus();
void operator=(std::vector<Direntry> &directoryArg);
int getCursorPosition(int &row, int &col);
bool processKeyInFocus(const Key &key);
};
CursesLabel directoryLabel;
CursesLabel directoryName;
CursesLabel filenameLabel;
CursesFieldRedirect<CursesFileReq> filenameField;
Dirlist dirlist; // Current directory's contents.
void doresized(); // Reset directoryName's contents
bool isDialog() const; // Yes we are
CursesMainScreen *parent; // My parent
void opendir(); // Open a new directory
public:
// The current directory (persistent).
static std::string currentDir;
//
// An externally-provided function that converts a byte count to
// a displayable size (such as "14Kb")
//
// A default implementation is provided, but it can be overriden,
// if necessary.
static std::string (*fmtSizeFunc)(unsigned long size, bool isDir);
CursesFileReq(CursesMainScreen *mainScreen,
const char *filenameLabel="Filename: ",
const char *directoryLabel="Directory: ");
~CursesFileReq();
// Provide a default filename
void setFilename(std::string n)
{
filenameField.setText(n);
}
void resized();
void draw();
void requestFocus();
int getWidth() const;
int getHeight() const;
// Select the following entry.
void select(Direntry &d);
// Callback function - file(s) have been selected.
// The default implementation saves the filenames in selectedFile,
// and sets Curses::keepgoing to false.
//
// More than one file can be selected using globs.
virtual void selected(std::vector<std::string> &);
// Callback function - file selection aborted.
// The default implementation sets selectedFiles to empty
// and sets Curses::keepgoing to false.
virtual void abort();
private:
bool processKey(const Curses::Key &key);
void filenameEnter(); // Enter pressed in the filename field
std::vector<std::string> selectedFiles; // The selected files
//
// Standize the filename. Remove all references to "/./" and "/../"
//
public:
static std::string washfname(std::string);
static void expand(std::string pattern,
std::vector<std::string> &filenameList);
bool listKeys( std::vector< std::pair<std::string, std::string> > &list);
std::vector<std::string> &getFilenameList()
{
return selectedFiles;
}
};
#endif
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