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/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.libreoffice.ui;
import org.libreoffice.R;
import org.libreoffice.storage.IFile;
import java.io.File;
import java.io.FileFilter;
import java.io.FilenameFilter;
import java.util.Map;
import java.util.Collections;
import java.util.List;
import java.util.HashMap;
import java.util.Comparator;
import android.util.Log;
import android.webkit.MimeTypeMap;
public class FileUtilities {
private static String LOGTAG = FileUtilities.class.getSimpleName();
static final int ALL = -1;
// These have to be in sync with the file_view_modes resource.
static final int DOC = 0;
static final int CALC = 1;
static final int IMPRESS = 2;
static final int DRAWING = 3;
static final int UNKNOWN = 10;
static final int SORT_AZ = 0;
static final int SORT_ZA = 1;
/** Oldest Files First*/
static final int SORT_OLDEST = 2;
/** Newest Files First*/
static final int SORT_NEWEST = 3;
/** Largest Files First */
static final int SORT_LARGEST = 4;
/** Smallest Files First */
static final int SORT_SMALLEST = 5;
private static final Map<String, Integer> mExtnMap = new HashMap<String, Integer>();
private static final Map<String, String> extensionToMimeTypeMap = new HashMap<String, String>();
static {
// Please keep this in sync with AndroidManifest.xml
// ODF
mExtnMap.put(".odt", DOC);
mExtnMap.put(".odg", DRAWING);
mExtnMap.put(".odp", IMPRESS);
mExtnMap.put(".ods", CALC);
mExtnMap.put(".fodt", DOC);
mExtnMap.put(".fodg", DRAWING);
mExtnMap.put(".fodp", IMPRESS);
// mExtnMap.put(".fods", CALC);
// ODF templates
mExtnMap.put(".ott", DOC);
mExtnMap.put(".otg", DRAWING);
mExtnMap.put(".otp", IMPRESS);
mExtnMap.put(".ots", CALC);
// MS
mExtnMap.put(".rtf", DOC);
mExtnMap.put(".doc", DOC);
mExtnMap.put(".vsd", DRAWING);
mExtnMap.put(".vsdx", DRAWING);
mExtnMap.put(".pub", DRAWING);
mExtnMap.put(".ppt", IMPRESS);
// mExtnMap.put(".pps", IMPRESS);
mExtnMap.put(".xls", CALC);
// MS templates
mExtnMap.put(".dot", DOC);
mExtnMap.put(".pot", IMPRESS);
mExtnMap.put(".xlt", CALC);
// OOXML
mExtnMap.put(".docx", DOC);
mExtnMap.put(".pptx", IMPRESS);
// mExtnMap.put(".ppsx", IMPRESS);
mExtnMap.put(".xlsx", CALC);
// OOXML templates
mExtnMap.put(".dotx", DOC);
mExtnMap.put(".potx", IMPRESS);
mExtnMap.put(".xltx", CALC);
// Other
mExtnMap.put(".csv", CALC);
mExtnMap.put(".wps", DOC);
mExtnMap.put(".key", IMPRESS);
mExtnMap.put(".abw", DOC);
mExtnMap.put(".pmd", DRAWING);
mExtnMap.put(".emf", DRAWING);
mExtnMap.put(".svm", DRAWING);
mExtnMap.put(".wmf", DRAWING);
mExtnMap.put(".svg", DRAWING);
// Some basic MIME types
// Android's MimeTypeMap lacks some types that we need
extensionToMimeTypeMap.put("odb", "application/vnd.oasis.opendocument.database");
extensionToMimeTypeMap.put("odf", "application/vnd.oasis.opendocument.formula");
extensionToMimeTypeMap.put("odg", "application/vnd.oasis.opendocument.graphics");
extensionToMimeTypeMap.put("otg", "application/vnd.oasis.opendocument.graphics-template");
extensionToMimeTypeMap.put("odi", "application/vnd.oasis.opendocument.image");
extensionToMimeTypeMap.put("odp", "application/vnd.oasis.opendocument.presentation");
extensionToMimeTypeMap.put("otp", "application/vnd.oasis.opendocument.presentation-template");
extensionToMimeTypeMap.put("ods", "application/vnd.oasis.opendocument.spreadsheet");
extensionToMimeTypeMap.put("ots", "application/vnd.oasis.opendocument.spreadsheet-template");
extensionToMimeTypeMap.put("odt", "application/vnd.oasis.opendocument.text");
extensionToMimeTypeMap.put("odm", "application/vnd.oasis.opendocument.text-master");
extensionToMimeTypeMap.put("ott", "application/vnd.oasis.opendocument.text-template");
extensionToMimeTypeMap.put("oth", "application/vnd.oasis.opendocument.text-web");
}
private static final String getExtension(String filename) {
if (filename == null)
return "";
int nExt = filename.lastIndexOf('.');
if (nExt < 0)
return "";
return filename.substring(nExt);
}
private static final int lookupExtension(String filename) {
String extn = getExtension(filename);
if (!mExtnMap.containsKey(extn))
return UNKNOWN;
return mExtnMap.get(extn);
}
static int getType(String filename) {
int type = lookupExtension (filename);
Log.d(LOGTAG, "extn : " + filename + " -> " + type);
return type;
}
static String getMimeType(String filename) {
String extension = MimeTypeMap.getFileExtensionFromUrl(filename);
String mime = extensionToMimeTypeMap.get(extension);
if (mime == null) {
//fallback to Android's MimeTypeMap
mime = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
extension);
}
return mime;
}
// Filter by mode, and/or in future by filename/wildcard
static private boolean doAccept(String filename, int byMode, String byFilename) {
Log.d(LOGTAG, "doAccept : " + filename + " mode " + byMode + " byFilename " + byFilename);
if (filename == null)
return false;
if (byMode == ALL && byFilename == "") {
if (filename.startsWith(".")) {//ignore hidden files
return false;
}
return true;
}
// check extension
if (byMode != ALL) {
if (mExtnMap.get (getExtension (filename)) != byMode)
return false;
}
if (byFilename != "") {
// FIXME return false on a non-match
}
return true;
}
static FileFilter getFileFilter(final int mode) {
return new FileFilter() {
public boolean accept(File pathname) {
if (pathname.isDirectory())
return true;
if (lookupExtension(pathname.getName()) == UNKNOWN)
return false;
return doAccept(pathname.getName(), mode, "");
}
};
}
static FilenameFilter getFilenameFilter(final int mode) {
return new FilenameFilter() {
public boolean accept(File dir, String filename) {
if (new File(dir , filename).isDirectory())
return true;
return doAccept(filename, mode, "");
}
};
}
static void sortFiles(List<IFile> files, int sortMode) {
switch (sortMode) {
case SORT_AZ:
Collections.sort(files , new Comparator<IFile>() {
public int compare(IFile lhs, IFile rhs) {
return lhs.getName().compareTo(rhs.getName());
}
});
break;
case SORT_ZA:
Collections.sort(files , new Comparator<IFile>() {
public int compare(IFile lhs, IFile rhs) {
return rhs.getName().compareTo(lhs.getName());
}
});
break;
case SORT_OLDEST:
Collections.sort(files , new Comparator<IFile>() {
public int compare(IFile lhs, IFile rhs) {
return lhs.getLastModified().compareTo(rhs.getLastModified());
}
});
break;
case SORT_NEWEST:
Collections.sort(files , new Comparator<IFile>() {
public int compare(IFile lhs, IFile rhs) {
return rhs.getLastModified().compareTo(lhs.getLastModified());
}
});
break;
case SORT_LARGEST:
Collections.sort(files , new Comparator<IFile>() {
public int compare(IFile lhs, IFile rhs) {
return Long.valueOf(rhs.getSize()).compareTo(lhs.getSize());
}
});
break;
case SORT_SMALLEST:
Collections.sort(files , new Comparator<IFile>() {
public int compare(IFile lhs, IFile rhs) {
return Long.valueOf(lhs.getSize()).compareTo(rhs.getSize());
}
});
break;
default:
Log.e(LOGTAG, "uncatched sortMode: " + sortMode);
}
return;
}
static boolean isHidden(File file) {
if (file.getName().startsWith("."))
return true;
return false;
}
static boolean isThumbnail(File file) {
if (isHidden(file) && file.getName().endsWith(".png"))
return true;
return false;
}
static boolean hasThumbnail(File file) {
String filename = file.getName();
if (lookupExtension(filename) == DOC) // only do this for docs for now
{
// Will need another method to check if Thumb is up-to-date - or extend this one?
if (new File(file.getParent() , getThumbnailName(file)).isFile())
return true;
return false; // If it's a document with no thumb
}
return true;
}
static String getThumbnailName(File file) {
return "." + file.getName().split("[.]")[0] + ".png" ;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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