WizardActivity.java

package com.matburt.mobileorg.Settings;

import java.util.ArrayList;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.content.res.Resources;
import android.os.Bundle;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.preference.PreferenceManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.matburt.mobileorg.R;
import com.matburt.mobileorg.Dropbox.Dropbox;
import com.matburt.mobileorg.Dropbox.DropboxLoginListener;
import com.matburt.mobileorg.Synchronizers.SSHSynchronizer;
import com.matburt.mobileorg.Synchronizers.UbuntuOneSynchronizer;
import com.matburt.mobileorg.Synchronizers.WebDAVSynchronizer;
import com.matburt.mobileorg.Views.PageFlipView;
import com.matburt.mobileorg.util.OrgUtils;

public class WizardActivity extends Activity {

    private final class UIHandler extends Handler
    {
        public static final int DISPLAY_UI_TOAST = 0;
//        public static final int DISPLAY_UI_DIALOG = 1;
        
        public UIHandler(Looper looper)
        {
            super(looper);
        }
        
        @Override
        public void handleMessage(Message msg)
        {
            switch(msg.what)
                {
                case UIHandler.DISPLAY_UI_TOAST:
                    {
                        Context context = getApplicationContext();
                        Toast t = Toast.makeText(context, (String)msg.obj, Toast.LENGTH_LONG);
                        progress.dismiss();
                        t.show();
                    }
                default:
                    break;
                }
        }
    }


    static String TAG="WizardActivity";
    
    //container
    PageFlipView wizard;
    //page 1 variables
    String syncSource;
    int syncWebDav, syncDropBox, syncUbuntuOne, syncSdCard, syncNull, syncSSH;
    RadioGroup syncGroup; 
    //page 2 variables
    View loginPage;
    boolean loginAdded=false;
    Button loginButton;
    ProgressDialog progress;
    //dropbox variables
    Dropbox dropbox;
    EditText dropboxEmail;
    EditText dropboxPass;
    boolean isLoggedIn=false;
    ArrayAdapter<String> dropboxFolders;
    //ubuntuone variables
    EditText ubuntuoneEmail;
    EditText ubuntuonePass;
    //sd card variables
	DirectoryBrowser directory;
	FolderAdapter directoryAdapter;
	String indexFilePath = "";
    //webdav variables
    EditText webdavUser;
    EditText webdavPass;
    EditText webdavUrl;
    Button webdavLoginButton;
    //ssh variables
    EditText sshUser;
    EditText sshPass;
    EditText sshPath;
    EditText sshHost;
    EditText sshPort;
    Button sshLoginButton;
    //page 3 variables
    ListView folderList;
    ArrayList<String> folders;
    Button doneButton;
    String dropboxPath = "";

    UIHandler uiHandler;
    
    /** Called when the activity is first created. */
    @Override
        public void onCreate(Bundle savedInstanceState) {
    	OrgUtils.setTheme(this);
    	super.onCreate(savedInstanceState);
    	setContentView(R.layout.wizard);
    	wizard = (PageFlipView) findViewById(R.id.wizard_parent);
    	//setup page 1
    	//get ids and pointers to sync radio buttons
    	syncGroup = (RadioGroup)findViewById(R.id.sync_group);
    	syncWebDav = ((RadioButton)findViewById(R.id.sync_webdav)).getId();
    	syncDropBox = ((RadioButton)findViewById(R.id.sync_dropbox)).getId();
        syncUbuntuOne = ((RadioButton)findViewById(R.id.sync_ubuntuone)).getId();
    	syncSdCard = ((RadioButton)findViewById(R.id.sync_sdcard)).getId();
        syncNull = ((RadioButton)findViewById(R.id.sync_null)).getId();
        syncSSH = ((RadioButton)findViewById(R.id.sync_ssh)).getId();
    	syncGroup.clearCheck();
    	syncGroup.setOnCheckedChangeListener(new Page1Listener());
    	//setup dropbox
    	Resources r = getResources();
    	String key=r.getString(R.string.dropbox_consumer_key, "invalid");
    	String secret=r.getString(R.string.dropbox_consumer_secret, "invalid");
    	dropbox = new Dropbox(this, key, secret);
    	//setup dropbox progress dialog
    	progress = new ProgressDialog(this);
    	progress.setMessage(getString(R.string.please_wait));
    	progress.setTitle(getString(R.string.signing_in));
    	//when wizard first starts can't go to next page
    	wizard.setNavButtonStateOnPage(0, false, PageFlipView.FIRST_PAGE );
    }
    
    /**
     * Upon being resumed we can retrieve the current state.  This allows us
     * to update the state if it was changed at any time while paused.
     */
    @Override
        protected void onResume() {
        super.onResume();
        //wizard.restoreLastPage();
    }
    
    /**
     * Any time we are paused we need to save away the current state, so it
     * will be restored correctly when we are resumed.
     */
    @Override
        protected void onPause() {
        super.onPause();
        wizard.saveCurrentPage();
    }
    
    class Page1Listener implements RadioGroup.OnCheckedChangeListener {
        
        @Override
            public void onCheckedChanged(RadioGroup arg, int checkedId) {
            if (checkedId == syncWebDav) {
                syncSource = "webdav";
                createWebDAVConfig();
            }
            else if (checkedId == syncDropBox) {
                syncSource = "dropbox";
                createDropboxLogin();
            }
            else if (checkedId == syncUbuntuOne) {
                syncSource = "ubuntu";
                createUbuntuLogin();
            }
            else if (checkedId == syncSdCard) {
                syncSource = "sdcard";
                createSDcardFolderSelector();
            }
            else if (checkedId == syncSSH) {
                syncSource = "scp";
                createSSHConfig();
            }
            else if (checkedId == syncNull) {
                syncSource = "null";
                createNullConfig();
            }
            //allow scrolling to next page
            wizard.enablePage( 0 );
            //debug
            //createDropboxList();
            //wizard.enablePage(1);
        }
    }

    void createNullConfig() {
        wizard.removePagesAfter(1);
        wizard.addPage(R.layout.wizard_null);
        doneButton = (Button) findViewById(R.id.wizard_done_button);
        wizard.setNavButtonStateOnPage(1, true, PageFlipView.LAST_PAGE);
        wizard.setDoneButtonOnClickListener(new FinishWizardButtonListener());
        wizard.enablePage(1);
    }
    
    void createSSHConfig() {
        wizard.removePagesAfter(1);
        wizard.addPage(R.layout.wizard_ssh);
        sshUser = (EditText) wizard.findViewById(R.id.wizard_ssh_username);
        sshPass = (EditText) wizard.findViewById(R.id.wizard_ssh_password);
        sshPath = (EditText) wizard.findViewById(R.id.wizard_ssh_path);
        sshHost = (EditText) wizard.findViewById(R.id.wizard_ssh_host);
        sshPort = (EditText) wizard.findViewById(R.id.wizard_ssh_port);
        webdavLoginButton = (Button) wizard.findViewById(R.id.wizard_ssh_login_button);
        doneButton = (Button) findViewById(R.id.wizard_done_button);
        webdavLoginButton.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    loginSSH();
                }
            });
        wizard.setNavButtonStateOnPage(1, true, PageFlipView.LAST_PAGE);
        wizard.setDoneButtonOnClickListener(new FinishWizardButtonListener());
        wizard.enablePage(1);
    }

    void createWebDAVConfig() {
        wizard.removePagesAfter(1);
        wizard.addPage(R.layout.wizard_webdav);
        webdavUser = (EditText) wizard.findViewById(R.id.wizard_webdav_username);
        webdavPass = (EditText) wizard.findViewById(R.id.wizard_webdav_password);
        webdavUrl = (EditText) wizard.findViewById(R.id.wizard_webdav_url);
        webdavLoginButton = (Button) wizard.findViewById(R.id.wizard_webdav_login_button);
        doneButton = (Button) findViewById(R.id.wizard_done_button);
        webdavLoginButton.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    loginWebdav();
                }
            });
        wizard.setNavButtonStateOnPage(1, true, PageFlipView.LAST_PAGE);
        wizard.setDoneButtonOnClickListener(new FinishWizardButtonListener());
        wizard.enablePage(1);
    }
    
    void createSDcardFolderSelector() {
        wizard.removePagesAfter(1);
        //add folder listview to wizard
        wizard.addPage( R.layout.wizard_folder_pick_list );
        //enable nav buttons on that page
        wizard.setNavButtonStateOnPage(1,true,PageFlipView.LAST_PAGE);
        wizard.setDoneButtonOnClickListener(new FinishWizardButtonListener());

        //setup directory browser
        directory = new DirectoryBrowser.LocalDirectoryBrowser(this);
        //setup directory browser adapter
        directoryAdapter = new FolderAdapter( this, R.layout.folder_adapter_row, directory.list() );
        directoryAdapter.setDoneButton( (Button) findViewById(R.id.wizard_done_button) );
        //bind adapter to browser
        directoryAdapter.setDirectoryBrowser( directory );

        //bind adapter to listview
        folderList = (ListView) wizard.findViewById(R.id.wizard_folder_list);
        folderList.setAdapter( directoryAdapter );
        directoryAdapter.notifyDataSetChanged();
    }
    
    void createDropboxLogin() {
        wizard.removePagesAfter( 1 );
        //add login page to wizard
        wizard.addPage( R.layout.wizard_dropbox );
        //enable nav buttons on that page
        wizard.setNavButtonStateOnPage(1, true, PageFlipView.MIDDLE_PAGE);
        wizard.disableAllNextActions( 1 );
        //get references to login forms
    	dropboxEmail = (EditText) wizard
    	    .findViewById(R.id.wizard_dropbox_email);
    	dropboxPass = (EditText) wizard
    	    .findViewById(R.id.wizard_dropbox_password);
    	//setup listener for buttons
    	loginButton = (Button) wizard
    	    .findViewById(R.id.wizard_dropbox_login_button);
    	loginButton.setOnClickListener(new OnClickListener() {
                @Override
                    public void onClick(View v) {
                    if (isLoggedIn) {
                        // We're going to log out
                        dropbox.deauthenticate();
                    } else {
                        // Try to log in
                        loginDropbox();
                    }
                }
    	    });
    }

    void createUbuntuLogin() {
        wizard.removePagesAfter( 1 );
        //add login page to wizard
        wizard.addPage( R.layout.wizard_ubuntuone );
        //enable nav buttons on that page
        wizard.setNavButtonStateOnPage(1, true, PageFlipView.MIDDLE_PAGE);
        wizard.disableAllNextActions( 1 );
        //get references to login forms
    	ubuntuoneEmail = (EditText) wizard
    	    .findViewById(R.id.wizard_ubuntu_email);
    	ubuntuonePass = (EditText) wizard
    	    .findViewById(R.id.wizard_ubuntu_password);
    	//setup listener for buttons
    	loginButton = (Button) wizard
    	    .findViewById(R.id.wizard_ubuntu_login_button);
    	loginButton.setOnClickListener(new OnClickListener() {
                @Override
                    public void onClick(View v) {
                    if (isLoggedIn) {
                        // We're going to log out
                        //dropbox.deauthenticate();
                    } else {
                        // Try to log in
                        loginUbuntuOne();
                    }
                }
    	    });
    }

    void loginSSH() {
        final String pathActual = sshPath.getText().toString();
        final String passActual = sshPass.getText().toString();
        final String userActual = sshUser.getText().toString();
        final String hostActual = sshHost.getText().toString();
        String portNumGiven = sshPort.getText().toString();
        int portNum;
        if (portNumGiven.trim().equals("")) {
            portNum = 22;
        }
        else {
            portNum = Integer.parseInt(portNumGiven);
        }
        final int portActual = portNum;

        final Context ctxt = this;
        progress.show();

        Thread uiThread = new HandlerThread("UIHandler");
        uiThread.start();
        uiHandler = new UIHandler(((HandlerThread)uiThread).getLooper());

        Thread loginThread = new Thread() {
                public void run() {
                    SSHSynchronizer sds = new SSHSynchronizer(ctxt);
                    String extra = sds.testConnection(pathActual, userActual, passActual, hostActual, portActual);
                    if (extra != null) {
                        showToastRemote("Login failed: " + extra);
                        return;
                    }
                    showToastRemote("Login succeeded");
                }
            };
        loginThread.start();
    }

    void loginWebdav() {
        final String urlActual = webdavUrl.getText().toString();
        final String passActual = webdavPass.getText().toString();
        final String userActual = webdavUser.getText().toString();
        final Context ctxt = this;
        progress.show();

        Thread uiThread = new HandlerThread("UIHandler");
        uiThread.start();
        uiHandler = new UIHandler(((HandlerThread)uiThread).getLooper());

        Thread loginThread = new Thread() {
                public void run() {
                    WebDAVSynchronizer wds = new WebDAVSynchronizer(ctxt);
                    String extra = wds.testConnection(urlActual, userActual, passActual);
                    if (extra != null) {
                        showToastRemote("Login failed: " + extra);
                        return;
                    }
                    showToastRemote("Login succeeded");
                }
            };
        loginThread.start();
    }
    
    void loginDropbox() {
        if (dropbox.isAuthenticated()) {
            // If we're already authenticated, we don't need to get
            // the login info
            progress.show();
            dropbox.login(dropboxListener);
    	} 
        else {
            String email = dropboxEmail.getText().toString();
            if (email.length() < 5 
                || email.indexOf("@") < 0 
                || email.indexOf(".") < 0) {
                shake(dropboxEmail);
                dropboxEmail.requestFocus();
                showToast("Invalid e-mail");
                return;
            }
            String password = dropboxPass.getText().toString();
            if (password.length() < 6) {
                shake(dropboxPass);
                dropboxPass.requestFocus();
                showToast("Password too short");
                return;
            }
            // It's good to do Dropbox API (and any web API) calls
            // in a separate thread, so we don't get a force-close
            // due to the UI thread stalling.
            progress.show();
            dropbox.login(dropboxListener, email, password);
        }
    }

    void loginUbuntuOne() {
        final UbuntuOneSynchronizer uos = new UbuntuOneSynchronizer((Context)this);
        uos.username = ubuntuoneEmail.getText().toString();
        uos.password = ubuntuonePass.getText().toString();

        //move this into another thread, so we don't get an ANR if the network is unavailable
        Thread uiThread = new HandlerThread("UIHandler");
        uiThread.start();
        uiHandler = new UIHandler(((HandlerThread)uiThread).getLooper());
        showToast("Logging in, please wait");
        if (uos.login()) {
            showToastRemote("Login Successfull");
            loginButton.setEnabled(false);
            wizard.enablePage( 1 );
            uos.getBaseUser();
            createUbuntuOneList();
        }
        else {
            showToastRemote("Login Failed");
        }

    }
    
    void showToast(String msg) {
        Toast error = Toast.makeText(this, msg, Toast.LENGTH_LONG);
        error.show();
    }

    protected void showToastRemote(String message)
    {
        Message msg = uiHandler.obtainMessage(UIHandler.DISPLAY_UI_TOAST);
        msg.obj = message;
        uiHandler.sendMessage(msg);
    }
    
    void shake(View b) {
        Animation shake = AnimationUtils
            .loadAnimation(this, R.anim.shake);
        b.startAnimation(shake);
    }
    
    /**
     * Notifies our Activity when a login process succeeded or failed.
     */
    DropboxLoginListener dropboxListener = new DropboxLoginListener() {
            
            @Override
                public void loginFailed(String message) {
                progress.dismiss();
                showToast("Login failed: "+message);
                //shake buttons
                shake(dropboxPass);
                shake(dropboxEmail);
                //setLoggedIn(false);
            }
            
            @Override
                public void loginSuccessfull() {
                progress.dismiss();
                showToast("Logged in!");
                loginButton.setEnabled(false);
                storeKeys(dropbox.getConfig().accessTokenKey, 
                          dropbox.getConfig().accessTokenSecret);
                createDropboxList();
                //allow scrolling to next page
                wizard.enablePage( 1 );
                //setLoggedIn(true);		
                //displayAccountInfo(mDropbox.accountInfo());
            }
            
        };

    
    void storeKeys(String key, String secret) {
        // Save the access key for later
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
        Editor edit = prefs.edit();
        edit.putString("dbPrivKey", key);
        edit.putString("dbPrivSecret", secret);
        edit.commit();
    }
    
    void createDropboxList() {
        wizard.addPage( R.layout.wizard_folder_pick_list );
        wizard.enablePage( 1 );
        //enable nav buttons on that page
        wizard.setNavButtonStateOnPage(2, true, PageFlipView.LAST_PAGE);
        wizard.setDoneButtonOnClickListener(new FinishWizardButtonListener());
        //setup directory browser
        directory = new DirectoryBrowser.DropboxDirectoryBrowser(this,dropbox);
        //setup directory browser adapter
        directoryAdapter = new FolderAdapter( this, R.layout.folder_adapter_row, directory.list() );
        directoryAdapter.setDoneButton( (Button) findViewById(R.id.wizard_done_button) );
        //bind adapter to browser
        directoryAdapter.setDirectoryBrowser( directory );
        //bind adapter to listview
        folderList = (ListView) wizard.findViewById(R.id.wizard_folder_list);
        folderList.setAdapter( directoryAdapter );
        directoryAdapter.notifyDataSetChanged();
        //debug
        //TODO Technically, this should be an async task app may crash
        //when list of root items is very long and network connection
        //is slow
    }

    void createUbuntuOneList() {
        wizard.addPage(R.layout.wizard_folder_pick_list);
        wizard.enablePage(1);

        //enable nav buttons on that page
        wizard.setNavButtonStateOnPage(2, true, PageFlipView.LAST_PAGE);
        wizard.setDoneButtonOnClickListener(new FinishWizardButtonListener());

        //setup directory browser
        UbuntuOneSynchronizer uos = new UbuntuOneSynchronizer((Context)this);
        uos.getBaseUser();
        directory = new DirectoryBrowser.UbuntuOneDirectoryBrowser(this, uos);

        //setup directory browser adapter
        directoryAdapter = new FolderAdapter( this, R.layout.folder_adapter_row, directory.list() );
        directoryAdapter.setDoneButton( (Button) findViewById(R.id.wizard_done_button) );

        //bind adapter to browser
        directoryAdapter.setDirectoryBrowser( directory );

        //bind adapter to listview
        folderList = (ListView) wizard.findViewById(R.id.wizard_folder_list);
        folderList.setAdapter( directoryAdapter );
        directoryAdapter.notifyDataSetChanged();
        //debug
        //TODO Technically, this should be an async task app may crash
        //when list of root items is very long and network connection
        //is slow
    }
    
    class FolderListListener 
        implements AdapterView.OnItemClickListener {
        @Override
            public void onItemClick(AdapterView<?> parent,
                                    View v, int position, long id) {
            //showToast(position+" "+folders.get(position));
            dropboxPath = folders.get(position);
            doneButton.setEnabled(true);
        }
    }
    
    class FinishWizardButtonListener implements View.OnClickListener {
        @Override
            public void onClick(View v) {
            //end wizard
            SharedPreferences appSettings = 
                PreferenceManager.getDefaultSharedPreferences(getBaseContext());
            SharedPreferences.Editor editor = appSettings.edit();
            editor.putString("syncSource", syncSource);
            if ( syncSource.equals("webdav") ) {
                editor.putString("webUrl", webdavUrl.getText().toString());
                editor.putString("webPass", webdavPass.getText().toString());
                editor.putString("webUser", webdavUser.getText().toString());
            }
            else if ( syncSource.equals("scp") ) {
                editor.putString("scpPath", sshPath.getText().toString());
                editor.putString("scpUser", sshUser.getText().toString());
                editor.putString("scpPass", sshPass.getText().toString());
                editor.putString("scpHost", sshHost.getText().toString());
                if (sshPort.getText().toString().trim().equals("")) {
                editor.putString("scpPort", "22");
                }
                else {
                    editor.putString("scpPort", sshPort.getText().toString());
                }
            }
            else if ( syncSource.equals("dropbox") )
                editor.putString("dropboxPath", directoryAdapter.getCheckedDirectory() + "/");
            else if ( syncSource.equals("ubuntu") )
                editor.putString("ubuntuOnePath", directoryAdapter.getCheckedDirectory() + "/");
            else if ( syncSource.equals("sdcard") ) 
                editor.putString("indexFilePath", directoryAdapter.getCheckedDirectory() );
            editor.putString("storageMode", "sdcard");
            editor.commit();
            finish();
        }
    }
}

class FolderAdapter extends ArrayAdapter<String> {
	int currentChecked = -1;
	DirectoryBrowser directory;
	Context context;
	Button doneButton;
	
	FolderAdapter(Context context, int resource, ArrayList<String> list) {
		super(context, resource, list);
		this.context = context;
	}
    
	public void setDirectoryBrowser(DirectoryBrowser d) { directory = d; }
	
	public String getCheckedDirectory() {
		if ( currentChecked == -1 ) return "";
		//(Toast.makeText(context, directory.getAbsolutePath(currentChecked), Toast.LENGTH_LONG)).show();
		return directory.getAbsolutePath(currentChecked);
	}
	
	public void setDoneButton(Button b) {
		doneButton = b;
	}
	
	@Override
        public View getView(int position, View convertView,
                            ViewGroup parent) {
	    View row=convertView;
	    TextView folder=null;
	    CheckBox check=null;
	    if (row==null) {
            LayoutInflater inflater=LayoutInflater.from(context);
            row=inflater.inflate(R.layout.folder_adapter_row, parent, false);
            folder=(TextView)row.findViewById(R.id.folder);
            folder.setOnClickListener(new View.OnClickListener() {
                    
                    @Override
                        public void onClick(View folder) {
                        int position = (Integer) folder.getTag();
                        //FolderAdapter.this.clear();
                        directory.browseTo(position);
                        currentChecked = -1;
                        FolderAdapter.this.notifyDataSetChanged();
                        doneButton.setEnabled(false);
                    }
                });
            check=(CheckBox)row.findViewById(R.id.checkbox);
            check.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
                    
                    public void onCheckedChanged(CompoundButton buttonView, 
                                                 boolean isChecked) {
                        //update last checked position
                        int position = (Integer) buttonView.getTag();
                        if ( isChecked ) currentChecked = position;
                        else if ( currentChecked == position ) 
                            currentChecked = -1;
                        FolderAdapter.this.notifyDataSetChanged();
                        if ( isChecked ) doneButton.setEnabled(true);
                    }
                });
	    }
	    folder=(TextView)row.findViewById(R.id.folder);
	    folder.setText( directory.get(position) );
	    folder.setTag(new Integer(position));
	    check=(CheckBox)row.findViewById(R.id.checkbox);
	    // disable the "Up one level" checkbox; otherwise make sure its enabled
	    if ( position == 0 && !directory.isCurrentDirectoryRoot() ) 
		    check.setEnabled(false);
	    else check.setEnabled(true);
	    check.setTag(new Integer(position));
	    //set check state. only one can be checked
	    boolean status = ( currentChecked == position )
            ? true : false ;
	    check.setChecked( status );
	    return(row);
	}
}