/******************************************************************************* Jimm - Mobile Messaging - J2ME ICQ clone Copyright (C) 2003-07  Jimm Project 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 2 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, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. ******************************************************************************** File: src/jimm/FileBrowser.java Version: ###VERSION###  Date: ###DATE### Author(s): Andreas Rossbacher, Andrey Kazakov, Artyomov Denis,  *******************************************************************************///#sijapp cond.if (target!="DEFAULT")&(modules_FILES="true"|modules_HISTORY="true")#package jimm;//#sijapp cond.if target="MIDP2"|target="MOTOROLA"|target="RIM"#import javax.microedition.io.file.*;//#sijapp cond.elseif target="SIEMENS2"#//#import com.siemens.mp.io.file.FileConnection;//#import com.siemens.mp.io.file.FileSystemRegistry;//#sijapp cond.end#import javax.microedition.io.Connector;import javax.microedition.lcdui.CommandListener;import javax.microedition.lcdui.Command;import javax.microedition.lcdui.Displayable;import javax.microedition.lcdui.Font;import java.util.Enumeration;import java.util.Vector;import java.io.*;import DrawControls.*;//#sijapp cond.if target="MOTOROLA"#interface MotoFileSystem{	public void open(String fileName, int mode) throws IOException;	public void enumRoots(Vector result) throws IOException;	public void enumFiles(Vector result, String fileName) throws IOException;	public void closeFileConn() throws IOException;	public OutputStream openOutputStream() throws IOException;	public InputStream openInputStream() throws IOException;	public long fileSize() throws IOException;}class MotoFileSystemHelper implements MotoFileSystem{	private com.motorola.io.FileConnection fileConn;		public void open(String fileName, int mode) throws IOException	{		fileConn = (com.motorola.io.FileConnection)Connector.open("file://" + fileName);	}		public void enumRoots(Vector result) throws IOException	{		String[] roots = com.motorola.io.FileSystemRegistry.listRoots();		for (int i = 0; i < roots.length; i++) result.addElement(roots[i]);	}		public void enumFiles(Vector result, String fileName) throws IOException	{		try		{			com.motorola.io.FileConnection fileconn = (com.motorola.io.FileConnection)Connector.open("file://" + fileName);			String[] list = fileconn.list();			fileconn.close();			result.addElement(FileSystem2.PARENT_DIRECTORY);			for (int i = 0; i < list.length; i++) result.addElement(list[i]);		}		catch (Exception e) {}	}		public void closeFileConn() throws IOException	{		if (fileConn == null) return;		fileConn.close();		fileConn = null;	}		public OutputStream openOutputStream() throws IOException	{		if ( !fileConn.exists() ) fileConn.create();		return fileConn.openOutputStream();	}		public InputStream openInputStream() throws IOException	{		return fileConn.openInputStream();	}		public long fileSize() throws IOException	{		return (fileConn == null) ? -1 : fileConn.fileSize();	}	}class StdFileSystemHelper implements MotoFileSystem{	private FileConnection fileConn;		public void open(String fileName, int mode) throws IOException	{		fileConn = (FileConnection)Connector.open("file://" + fileName, mode);	}		public void enumRoots(Vector result)	{		Enumeration roots = FileSystemRegistry.listRoots();		while (roots.hasMoreElements()) result.addElement(roots.nextElement());	}		public void enumFiles(Vector result, String fileName) throws IOException	{		FileConnection fileconn = (FileConnection) Connector.open("file://" + fileName, Connector.READ);		Enumeration list = fileconn.list("*", true);		fileconn.close();				result.addElement(FileSystem2.PARENT_DIRECTORY);		String filename;		while (list.hasMoreElements())		{			filename = (String) list.nextElement();			result.addElement(filename);		}		filename = null;	}		public void closeFileConn() throws IOException	{		if (fileConn == null) return;		fileConn.close();		fileConn = null;	}		public OutputStream openOutputStream() throws IOException	{		if ( !fileConn.exists() ) fileConn.create();		return fileConn.openOutputStream();	}		public InputStream openInputStream() throws IOException	{		return fileConn.openInputStream();	}		public long fileSize() throws IOException	{		return (fileConn == null) ? -1 : fileConn.fileSize();	}	}//#sijapp cond.end#class FileSystem2 implements CommandListener, Runnable{	private CommandListener externalListener;	private TextList list;	final static String ROOT_DIRECTORY = "/";	final static String PARENT_DIRECTORY = "../";	private ImageList imageList;	private final static int MODE_SCAN_DIRECTORY = 1;	private final static int MODE_SHOW_RESULTS   = 2;	private int currentMode;	private String currentDir;	private String selectedItem;	private Vector items;	private boolean onlyDirs;		//#sijapp cond.if target="MOTOROLA"#	MotoFileSystem motoFileConnection;	//#sijapp cond.else#	private FileConnection fileConnection;	//#sijapp cond.end#		public FileSystem2()	{		//#sijapp cond.if target="MOTOROLA"#		try		{			Class.forName("javax.microedition.io.file.FileConnection");			motoFileConnection = new StdFileSystemHelper();		}		catch (ClassNotFoundException cnfe)		{			motoFileConnection = new MotoFileSystemHelper();		}		//#sijapp cond.end#				imageList = new ImageList();		try		{//#sijapp cond.if target="MIDP2" | target="SIEMENS2"#			imageList.setScale(Options.getInt(Options.OPTION_IMG_SCALE));//#sijapp cond.end#			imageList.load("/fs.png", -1, -1, -1, Jimm.getPhoneVendor() == Jimm.PHONE_NOKIA);		} catch (java.io.IOException e) {}						items = new Vector();		list = new TextList(null);	}		public void browse(String root, CommandListener externalListener, boolean onlyDirs)	{		this.externalListener = externalListener;		this.onlyDirs = onlyDirs;				if (root == null) root = ROOT_DIRECTORY;				list.removeAllCommands();				list.addCommandEx(JimmUI.cmdBack, VirtualList.MENU_TYPE_LEFT_BAR);				if (onlyDirs)		{//#sijapp cond.if target!="RIM" & target!="DEFAULT"#			list.addCommandEx(JimmUI.cmdMenu, VirtualList.MENU_TYPE_RIGHT_BAR);//#sijapp cond.end#			list.addCommandEx(JimmUI.cmdSelect2, VirtualList.MENU_TYPE_RIGHT);			list.addCommandEx(JimmUI.cmdOk, VirtualList.MENU_TYPE_RIGHT);		}		else			list.addCommandEx(JimmUI.cmdSelect, VirtualList.MENU_TYPE_RIGHT_BAR);				JimmUI.setColorScheme(list, false, -1, true);		list.setMode(VirtualList.CURSOR_MODE_DISABLED);		list.activate(Jimm.display);		list.setCommandListener(this);		showFolder(root);	}		private void showFolder(String path)	{		if (currentMode == MODE_SCAN_DIRECTORY) return;		currentMode = MODE_SCAN_DIRECTORY;		currentDir = path;		new Thread(this).start();	}		//#sijapp cond.if target="MOTOROLA"#	private void enumRootsMoto(Vector result) throws IOException	{		motoFileConnection.enumRoots(result);	}		private void enumFilesMoto(Vector result, String fileName) throws IOException	{		motoFileConnection.enumFiles(result, fileName);	}		//#sijapp cond.else#		private void enumRootsStd(Vector result)	{		Enumeration roots = FileSystemRegistry.listRoots();		while (roots.hasMoreElements()) result.addElement(roots.nextElement());	}		private void enumFilesStd(Vector result, String fileName) throws IOException	{		FileConnection fileconn;		//#sijapp cond.if target="SIEMENS2"#		fileconn = (FileConnection) Connector.open("file://" + fileName);		//#sijapp cond.else#		fileconn = (FileConnection) Connector.open("file://localhost"+fileName, Connector.READ);		//#sijapp cond.end#		Enumeration list = fileconn.list("*", true);		fileconn.close();				result.addElement(PARENT_DIRECTORY);		String filename;		while (list.hasMoreElements())		{			filename = (String) list.nextElement();			result.addElement(filename);		}		filename = null;	}		//#sijapp cond.end#		public void run() 	{		switch (currentMode)		{		case MODE_SCAN_DIRECTORY:			try			{				items.removeAllElements();				if (currentDir.equals(ROOT_DIRECTORY))				{					//#sijapp cond.if target="MOTOROLA"#					enumRootsMoto(items);					//#sijapp cond.else#					enumRootsStd(items);					//#sijapp cond.end#				}				else				{					//#sijapp cond.if target="MOTOROLA"#					enumFilesMoto(items, currentDir);					//#sijapp cond.else#					enumFilesStd(items, currentDir);					//#sijapp cond.end#				}			} 			catch (Exception e)			{				e.printStackTrace();			}						currentMode = MODE_SHOW_RESULTS;			Jimm.display.callSerially(this);			break;					case MODE_SHOW_RESULTS:						// Show last path element at caption 			int index1 = -1, index2 = -1;			boolean isDelim = false;			for (int i = currentDir.length()-1; i >= 0; i--)			{				isDelim = (currentDir.charAt(i) == '/');				if (isDelim)				{					if (index1 == -1) index1 = i;					else if (index2 == -1) index2 = i;					else break;				}			}						list.setCaption			(				(index1 != -1) && (index2 != -1) ? 				currentDir.substring(index2+1, index1) : 				"Root"			);			// Show directory content			list.clear();						// Show dirs			String itemText;			for (int i = 0; i < items.size(); i++)			{				itemText = (String)items.elementAt(i);				if (!itemText.endsWith("/")) continue;				JimmUI.addTextListItem(list, itemText, imageList.elementAt(0), i, true, -1, Font.STYLE_PLAIN);			}						// Show files			if (!onlyDirs) for (int i = 0; i < items.size(); i++)			{				itemText = (String)items.elementAt(i);				if (itemText.endsWith("/")) continue;				JimmUI.addTextListItem(list, itemText, imageList.elementAt(1), i, true, -1, Font.STYLE_PLAIN);			}			break;		}	}		public void commandAction(Command c, Displayable d)	{		Jimm.aaUserActivity();				if (c == JimmUI.cmdSelect2 || c == JimmUI.cmdOk || c == JimmUI.cmdSelect) 		{			int index = list.getCurrTextIndex();			if (index < 0) return;			String itemText = (String)items.elementAt(index);			selectedItem = currentDir+itemText;			if (itemText == PARENT_DIRECTORY)			{				String parentDir = null;				for (int i = currentDir.length()-2; i >= 0; i--) if (currentDir.charAt(i) == '/')				{					parentDir = currentDir.substring(0, i+1);					break;				}				if (parentDir != null) showFolder(parentDir);			}			else if (itemText.endsWith("/"))			{				if (c == JimmUI.cmdOk || c == JimmUI.cmdSelect)					showFolder(selectedItem);				else if (c == JimmUI.cmdSelect2)					externalListener.commandAction(JimmUI.cmdOk, d);			}			else			{				externalListener.commandAction(JimmUI.cmdOk, d);			}						}		else if (c == JimmUI.cmdBack) externalListener.commandAction(JimmUI.cmdBack, d);	}		public boolean isActive()	{		return (list == null) ? false : list.isActive();	}		public String getValue()	{		return selectedItem;	}		public void openFile(String fileName, int mode) throws IOException	{		close();		//#sijapp cond.if target="MOTOROLA"#		motoFileConnection.open(fileName, mode);		//#sijapp cond.else#		fileConnection = (FileConnection) Connector.open("file://" + fileName, mode);		//#sijapp cond.end#	}		public InputStream openInputStream() throws IOException	{		InputStream result;		//#sijapp cond.if target="MOTOROLA"#		result = motoFileConnection.openInputStream();		//#sijapp cond.else#		result = fileConnection.openInputStream();		//#sijapp cond.end#		return result;	}		public OutputStream openOutputStream() throws IOException	{		OutputStream result;		//#sijapp cond.if target="MOTOROLA"#		result = motoFileConnection.openOutputStream();		//#sijapp cond.else#		if ( !fileConnection.exists() ) fileConnection.create();		result = fileConnection.openOutputStream();		//#sijapp cond.end#		return result;	}		public void close() throws IOException	{		//#sijapp cond.if target="MOTOROLA"#		motoFileConnection.closeFileConn();		//#sijapp cond.else#		if (fileConnection != null)		{			fileConnection.close();			fileConnection = null;		}		//#sijapp cond.end#	}		public long fileSize() throws IOException	{		long result = 0;		//#sijapp cond.if target="MOTOROLA"#		result = motoFileConnection.fileSize();		//#sijapp cond.else#		result = (fileConnection == null) ? -1 : fileConnection.fileSize();		//#sijapp cond.end#		return result;	}}//#sijapp cond.end#