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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/**
* lcd/extui/lib/FileNavigator.cpp
*
* Extensible_UI implementation for Anycubic Chiron
* Written By Nick Wells, 2020 [https://github.com/SwiftNick]
* (not affiliated with Anycubic, Ltd.)
*/
/***************************************************************************
* The AC panel wants files in block of 4 and can only display a flat list *
* This library allows full folder traversal. *
***************************************************************************/
#include "../../../../inc/MarlinConfigPre.h"
#if ENABLED(ANYCUBIC_LCD_CHIRON)
#include "FileNavigator.h"
#include "chiron_tft.h"
using namespace ExtUI;
namespace Anycubic {
FileNavigator filenavigator;
FileList FileNavigator::filelist; // Instance of the Marlin file API
char FileNavigator::currentfoldername[MAX_PATH_LEN]; // Current folder path
uint16_t FileNavigator::lastindex;
uint8_t FileNavigator::folderdepth;
uint16_t FileNavigator::currentindex; // override the panel request
FileNavigator::FileNavigator() { reset(); }
void FileNavigator::reset() {
currentfoldername[0] = '\0';
folderdepth = 0;
currentindex = 0;
lastindex = 0;
// Start at root folder
while (!filelist.isAtRootDir()) filelist.upDir();
refresh();
}
void FileNavigator::refresh() { filelist.refresh(); }
void FileNavigator::getFiles(uint16_t index) {
uint8_t files = 4;
if (index == 0) currentindex = 0;
// Each time we change folder we reset the file index to 0 and keep track
// of the current position as the TFT panel isnt aware of folders trees.
if (index > 0) {
--currentindex; // go back a file to take account off the .. we added to the root.
if (index > lastindex)
currentindex += files;
else
currentindex = currentindex < 4 ? 0 : currentindex - files;
}
lastindex = index;
#if ACDEBUG(AC_FILE)
SERIAL_ECHOLNPAIR("index=", index, " currentindex=", currentindex);
#endif
if (currentindex == 0 && folderdepth > 0) { // Add a link to go up a folder
TFTSer.println("<<");
TFTSer.println("..");
files--;
}
for (uint16_t seek = currentindex; seek < currentindex + files; seek++) {
if (filelist.seek(seek)) {
sendFile();
#if ACDEBUG(AC_FILE)
SERIAL_ECHOLNPAIR("-", seek, " '", filelist.longFilename(), "' '", currentfoldername, "", filelist.shortFilename(), "'\n");
#endif
}
}
}
void FileNavigator::sendFile() {
// send the file and folder info to the panel
// this info will be returned when the file is selected
// Permitted special characters in file name -_*#~
// Panel can display 22 characters per line
if (filelist.isDir()) {
//TFTSer.print(currentfoldername);
TFTSer.println(filelist.shortFilename());
TFTSer.print(filelist.shortFilename());
TFTSer.println("/");
}
else {
// Logical Name
TFTSer.print("/");
if (folderdepth > 0) TFTSer.print(currentfoldername);
TFTSer.println(filelist.shortFilename());
// Display Name
TFTSer.println(filelist.longFilename());
}
}
void FileNavigator::changeDIR(char *folder) {
#if ACDEBUG(AC_FILE)
SERIAL_ECHOLNPAIR("currentfolder: ", currentfoldername, " New: ", folder);
#endif
if (folderdepth >= MAX_FOLDER_DEPTH) return; // limit the folder depth
strcat(currentfoldername, folder);
strcat(currentfoldername, "/");
filelist.changeDir(folder);
refresh();
folderdepth++;
currentindex = 0;
}
void FileNavigator::upDIR() {
filelist.upDir();
refresh();
folderdepth--;
currentindex = 0;
// Remove the last child folder from the stored path
if (folderdepth == 0) {
currentfoldername[0] = '\0';
reset();
}
else {
char *pos = nullptr;
for (uint8_t f = 0; f < folderdepth; f++)
pos = strchr(currentfoldername, '/');
*(pos + 1) = '\0';
}
#if ACDEBUG(AC_FILE)
SERIAL_ECHOLNPAIR("depth: ", folderdepth, " currentfoldername: ", currentfoldername);
#endif
}
char* FileNavigator::getCurrentFolderName() { return currentfoldername; }
}
#endif // ANYCUBIC_LCD_CHIRON
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