1 files changed, 377 insertions, 0 deletions
diff --git a/gui/fileselector.cpp b/gui/fileselector.cpp
new file mode 100644
index 000000000..a992b80ea
--- /dev/null
+++ b/gui/fileselector.cpp
@@ -0,0 +1,377 @@
+/*
+	Copyright 2012 bigbiff/Dees_Troy TeamWin
+	This file is part of TWRP/TeamWin Recovery Project.
+
+	TWRP 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.
+
+	TWRP 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 TWRP.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <string.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <algorithm>
+
+extern "C" {
+#include "../twcommon.h"
+}
+#include "../minuitwrp/minui.h"
+
+#include "rapidxml.hpp"
+#include "objects.hpp"
+#include "../data.hpp"
+#include "../twrp-functions.hpp"
+
+int GUIFileSelector::mSortOrder = 0;
+
+GUIFileSelector::GUIFileSelector(xml_node<>* node) : GUIScrollList(node)
+{
+	xml_attribute<>* attr;
+	xml_node<>* child;
+
+	mFolderIcon = mFileIcon = NULL;
+	mShowFolders = mShowFiles = mShowNavFolders = 1;
+	mUpdate = 0;
+	mPathVar = "cwd";
+	updateFileList = false;
+
+	// Load filter for filtering files (e.g. *.zip for only zips)
+	child = FindNode(node, "filter");
+	if (child) {
+		attr = child->first_attribute("extn");
+		if (attr)
+			mExtn = attr->value();
+		attr = child->first_attribute("folders");
+		if (attr)
+			mShowFolders = atoi(attr->value());
+		attr = child->first_attribute("files");
+		if (attr)
+			mShowFiles = atoi(attr->value());
+		attr = child->first_attribute("nav");
+		if (attr)
+			mShowNavFolders = atoi(attr->value());
+	}
+
+	// Handle the path variable
+	child = FindNode(node, "path");
+	if (child) {
+		attr = child->first_attribute("name");
+		if (attr)
+			mPathVar = attr->value();
+		attr = child->first_attribute("default");
+		if (attr) {
+			mPathDefault = attr->value();
+			DataManager::SetValue(mPathVar, attr->value());
+		}
+	}
+
+	// Handle the result variable
+	child = FindNode(node, "data");
+	if (child) {
+		attr = child->first_attribute("name");
+		if (attr)
+			mVariable = attr->value();
+		attr = child->first_attribute("default");
+		if (attr)
+			DataManager::SetValue(mVariable, attr->value());
+	}
+
+	// Handle the sort variable
+	child = FindNode(node, "sort");
+	if (child) {
+		attr = child->first_attribute("name");
+		if (attr)
+			mSortVariable = attr->value();
+		attr = child->first_attribute("default");
+		if (attr)
+			DataManager::SetValue(mSortVariable, attr->value());
+
+		DataManager::GetValue(mSortVariable, mSortOrder);
+	}
+
+	// Handle the selection variable
+	child = FindNode(node, "selection");
+	if (child && (attr = child->first_attribute("name")))
+		mSelection = attr->value();
+	else
+		mSelection = "0";
+
+	// Get folder and file icons if present
+	child = FindNode(node, "icon");
+	if (child) {
+		mFolderIcon = LoadAttrImage(child, "folder");
+		mFileIcon = LoadAttrImage(child, "file");
+	}
+	int iconWidth = std::max(mFolderIcon->GetWidth(), mFileIcon->GetWidth());
+	int iconHeight = std::max(mFolderIcon->GetHeight(), mFileIcon->GetHeight());
+	SetMaxIconSize(iconWidth, iconHeight);
+
+	// Fetch the file/folder list
+	std::string value;
+	DataManager::GetValue(mPathVar, value);
+	GetFileList(value);
+}
+
+GUIFileSelector::~GUIFileSelector()
+{
+}
+
+int GUIFileSelector::Update(void)
+{
+	if (!isConditionTrue())
+		return 0;
+
+	GUIScrollList::Update();
+
+	// Update the file list if needed
+	if (updateFileList) {
+		string value;
+		DataManager::GetValue(mPathVar, value);
+		if (GetFileList(value) == 0) {
+			updateFileList = false;
+			mUpdate = 1;
+		} else
+			return 0;
+	}
+
+	if (mUpdate) {
+		mUpdate = 0;
+		if (Render() == 0)
+			return 2;
+	}
+	return 0;
+}
+
+int GUIFileSelector::NotifyVarChange(const std::string& varName, const std::string& value)
+{
+	GUIScrollList::NotifyVarChange(varName, value);
+
+	if (!isConditionTrue())
+		return 0;
+
+	if (varName.empty()) {
+		// Always clear the data variable so we know to use it
+		DataManager::SetValue(mVariable, "");
+	}
+	if (varName == mPathVar || varName == mSortVariable) {
+		if (varName == mSortVariable) {
+			DataManager::GetValue(mSortVariable, mSortOrder);
+		} else {
+			// Reset the list to the top
+			SetVisibleListLocation(0);
+			if (value.empty())
+				DataManager::SetValue(mPathVar, mPathDefault);
+		}
+		updateFileList = true;
+		mUpdate = 1;
+		return 0;
+	}
+	return 0;
+}
+
+bool GUIFileSelector::fileSort(FileData d1, FileData d2)
+{
+	if (d1.fileName == ".")
+		return -1;
+	if (d2.fileName == ".")
+		return 0;
+	if (d1.fileName == "..")
+		return -1;
+	if (d2.fileName == "..")
+		return 0;
+
+	switch (mSortOrder) {
+		case 3: // by size largest first
+			if (d1.fileSize == d2.fileSize || d1.fileType == DT_DIR) // some directories report a different size than others - but this is not the size of the files inside the directory, so we just sort by name on directories
+				return (strcasecmp(d1.fileName.c_str(), d2.fileName.c_str()) < 0);
+			return d1.fileSize < d2.fileSize;
+		case -3: // by size smallest first
+			if (d1.fileSize == d2.fileSize || d1.fileType == DT_DIR) // some directories report a different size than others - but this is not the size of the files inside the directory, so we just sort by name on directories
+				return (strcasecmp(d1.fileName.c_str(), d2.fileName.c_str()) > 0);
+			return d1.fileSize > d2.fileSize;
+		case 2: // by last modified date newest first
+			if (d1.lastModified == d2.lastModified)
+				return (strcasecmp(d1.fileName.c_str(), d2.fileName.c_str()) < 0);
+			return d1.lastModified < d2.lastModified;
+		case -2: // by date oldest first
+			if (d1.lastModified == d2.lastModified)
+				return (strcasecmp(d1.fileName.c_str(), d2.fileName.c_str()) > 0);
+			return d1.lastModified > d2.lastModified;
+		case -1: // by name descending
+			return (strcasecmp(d1.fileName.c_str(), d2.fileName.c_str()) > 0);
+		default: // should be a 1 - sort by name ascending
+			return (strcasecmp(d1.fileName.c_str(), d2.fileName.c_str()) < 0);
+	}
+	return 0;
+}
+
+int GUIFileSelector::GetFileList(const std::string folder)
+{
+	DIR* d;
+	struct dirent* de;
+	struct stat st;
+
+	// Clear all data
+	mFolderList.clear();
+	mFileList.clear();
+
+	d = opendir(folder.c_str());
+	if (d == NULL) {
+		LOGINFO("Unable to open '%s'\n", folder.c_str());
+		if (folder != "/" && (mShowNavFolders != 0 || mShowFiles != 0)) {
+			size_t found;
+			found = folder.find_last_of('/');
+			if (found != string::npos) {
+				string new_folder = folder.substr(0, found);
+
+				if (new_folder.length() < 2)
+					new_folder = "/";
+				DataManager::SetValue(mPathVar, new_folder);
+			}
+		}
+		return -1;
+	}
+
+	while ((de = readdir(d)) != NULL) {
+		FileData data;
+
+		data.fileName = de->d_name;
+		if (data.fileName == ".")
+			continue;
+		if (data.fileName == ".." && folder == "/")
+			continue;
+
+		data.fileType = de->d_type;
+
+		std::string path = folder + "/" + data.fileName;
+		stat(path.c_str(), &st);
+		data.protection = st.st_mode;
+		data.userId = st.st_uid;
+		data.groupId = st.st_gid;
+		data.fileSize = st.st_size;
+		data.lastAccess = st.st_atime;
+		data.lastModified = st.st_mtime;
+		data.lastStatChange = st.st_ctime;
+
+		if (data.fileType == DT_UNKNOWN) {
+			data.fileType = TWFunc::Get_D_Type_From_Stat(path);
+		}
+		if (data.fileType == DT_DIR) {
+			if (mShowNavFolders || (data.fileName != "." && data.fileName != ".."))
+				mFolderList.push_back(data);
+		} else if (data.fileType == DT_REG || data.fileType == DT_LNK || data.fileType == DT_BLK) {
+			if (mExtn.empty() || (data.fileName.length() > mExtn.length() && data.fileName.substr(data.fileName.length() - mExtn.length()) == mExtn)) {
+				mFileList.push_back(data);
+			}
+		}
+	}
+	closedir(d);
+
+	std::sort(mFolderList.begin(), mFolderList.end(), fileSort);
+	std::sort(mFileList.begin(), mFileList.end(), fileSort);
+
+	return 0;
+}
+
+void GUIFileSelector::SetPageFocus(int inFocus)
+{
+	GUIScrollList::SetPageFocus(inFocus);
+	if (inFocus) {
+		std::string value;
+		DataManager::GetValue(mPathVar, value);
+		if (value.empty())
+			DataManager::SetValue(mPathVar, mPathDefault);
+		updateFileList = true;
+		mUpdate = 1;
+	}
+}
+
+size_t GUIFileSelector::GetItemCount()
+{
+	size_t folderSize = mShowFolders ? mFolderList.size() : 0;
+	size_t fileSize = mShowFiles ? mFileList.size() : 0;
+	return folderSize + fileSize;
+}
+
+void GUIFileSelector::RenderItem(size_t itemindex, int yPos, bool selected)
+{
+	size_t folderSize = mShowFolders ? mFolderList.size() : 0;
+
+	ImageResource* icon;
+	std::string text;
+
+	if (itemindex < folderSize) {
+		text = mFolderList.at(itemindex).fileName;
+		icon = mFolderIcon;
+		if (text == "..")
+			text = gui_lookup("up_a_level", "(Up A Level)");
+	} else {
+		text = mFileList.at(itemindex - folderSize).fileName;
+		icon = mFileIcon;
+	}
+
+	RenderStdItem(yPos, selected, icon, text.c_str());
+}
+
+void GUIFileSelector::NotifySelect(size_t item_selected)
+{
+	size_t folderSize = mShowFolders ? mFolderList.size() : 0;
+	size_t fileSize = mShowFiles ? mFileList.size() : 0;
+
+	if (item_selected < folderSize + fileSize) {
+		// We've selected an item!
+		std::string str;
+		if (item_selected < folderSize) {
+			std::string cwd;
+
+			str = mFolderList.at(item_selected).fileName;
+			if (mSelection != "0")
+				DataManager::SetValue(mSelection, str);
+			DataManager::GetValue(mPathVar, cwd);
+
+			// Ignore requests to do nothing
+			if (str == ".")	 return;
+			if (str == "..") {
+				if (cwd != "/") {
+					size_t found;
+					found = cwd.find_last_of('/');
+					cwd = cwd.substr(0,found);
+
+					if (cwd.length() < 2)   cwd = "/";
+				}
+			} else {
+				// Add a slash if we're not the root folder
+				if (cwd != "/")	 cwd += "/";
+				cwd += str;
+			}
+
+			if (mShowNavFolders == 0 && mShowFiles == 0) {
+				// nav folders and files are disabled, this is probably the restore list and we need to save chosen location to mVariable instead of mPathVar
+				DataManager::SetValue(mVariable, cwd);
+			} else {
+				// We are changing paths, so we need to set mPathVar
+				DataManager::SetValue(mPathVar, cwd);
+			}
+		} else if (!mVariable.empty()) {
+			str = mFileList.at(item_selected - folderSize).fileName;
+			if (mSelection != "0")
+				DataManager::SetValue(mSelection, str);
+
+			std::string cwd;
+			DataManager::GetValue(mPathVar, cwd);
+			if (cwd != "/")
+				cwd += "/";
+			DataManager::SetValue(mVariable, cwd + str);
+		}
+	}
+	mUpdate = 1;
+}