addressbook.java

手机邮箱撒的方式方式方式的

    //saves a given contact do DB.
    public Contact saveContactToDB(Contact contact) throws MyException {
        //for the sake of simplicity we just try to determine if there's any charakter before the @
        if (contact.getEmail() == null || contact.getEmail().indexOf("@") < 1) {
            throw new MyException(MyException.VARIOUS_BAD_EMAIL);
        }
        if ((getEmailHash().containsKey(contact.getEmail())) && mode != MODE_EDIT) {
            throw new MyException(MyException.VARIOUS_AB_MULTIPLE_ENTRIES);
        }
        MyException exception = null;
        RecordStore ADRS = Functions.openRecordStore("AddressBook", true);
        try {
            ByteArrayOutputStream byteStream;
            DataOutputStream outputStream;
            byteStream = new ByteArrayOutputStream();
            outputStream = new DataOutputStream(byteStream);
            if (mode == MODE_EDIT) {
                contact.DBIndex = ((Contact) getAddresses().elementAt(cur)).DBIndex;
            }
            //if the name is not presented or invalid, try to guest it from the email address
            if (contact.name == null || contact.name.length() == 0) {
                contact.name = contact.getEmail().substring(0, contact.getEmail().indexOf("@"));
            }

            outputStream.writeUTF(contact.name);
            outputStream.writeUTF(contact.getEmail());
            outputStream.writeUTF(contact.notes);
            outputStream.flush();
            /*buggy setRecord() method not only on the WTK emulator
            if (mode != MODE_EDIT) 
            contact.DBIndex = ADRS.addRecord( byteStream.toByteArray(), 0, byteStream.size() );			
            else 
            ADRS.setRecord(contact.DBIndex, byteStream.toByteArray(), 0, byteStream.size() );
             */
            int oldIndex = contact.DBIndex;
            contact.DBIndex = ADRS.addRecord(byteStream.toByteArray(), 0, byteStream.size());
            if (mode == MODE_EDIT) {
                ADRS.deleteRecord(oldIndex);
            }

            outputStream.close();
            byteStream.close();
        } catch (Exception ex) {
            exception = new MyException(MyException.DB_CANNOT_SAVE_CONTACT);
        }

        Functions.closeRecordStore(ADRS);
        if (exception != null) {
            throw exception;
        }
        return contact;
    }

    //edits a selected contact
    public void edit(int index) {
        if (0 <= index && index < getAddresses().size()) {
            Contact contact = (Contact) getAddresses().elementAt(index);
            mode = MODE_EDIT;
            cntForm = createCntForm();
            ((TextField) cntForm.get(0)).setString(contact.name);
            ((TextField) cntForm.get(1)).setString(contact.getEmail());
            ((TextField) cntForm.get(2)).setString(contact.notes);
            mujMail.getDisplay().setCurrent(cntForm);
        }
    }

    //creates a Contact form so we can add or edit a contact
    private Form createCntForm() {
        TextField name, email, notes;
        cntForm = new Form(Lang.get(Lang.AD_CONTACT_INFO));
        name = new TextField(Lang.get(Lang.AD_NAME), "", 50, TextField.ANY);
        if ( Properties.textFieldMailIncorrect ) {
            email = new TextField(Lang.get(Lang.AD_EMAIL), "@", 512, TextField.ANY);
        } else { 
            email = new TextField(Lang.get(Lang.AD_EMAIL), "@", 512, TextField.EMAILADDR);
         }
        notes = new TextField(Lang.get(Lang.AD_NOTES), "", 1000, TextField.ANY);

        cntForm.append(name);
        cntForm.append(email);
        cntForm.append(notes);
        cntForm.addCommand(cfBack);
        cntForm.addCommand(cfSave);
        cntForm.setCommandListener(mujMail);
        return cntForm;
    }

    //if its called from mailForm and a mail address is given, then the string MailFormAddress is the email address
    //so after saving the email address, we can return display focus to MailForm; otherwise string MailFormAddress is null
    public void showCntForm(String MailFormAddress) {
        cntForm = createCntForm();
        nextDisplay = mujMail.getDisplay().getCurrent();
        mujMail.getDisplay().setCurrent(cntForm);
        if (MailFormAddress != null) { //was is call by MailForm?
            ((TextField) cntForm.get(0)).setString(MailFormAddress);
        }
    }

    //creates a Hashtable for faster searching using the first letter of each name as index 
    //something like the indexes in the real life phonebook
    private void initHash() {
        nameHash.clear();
        if (getAddresses().isEmpty()) {
            return;
        }

        char firstLetter = ((Contact) getAddresses().firstElement()).name.charAt(0);
        firstLetter = Character.toLowerCase(firstLetter);
        nameHash.put(new Character(firstLetter), new Integer(0));
        int size = getAddresses().size();
        char cntNameFL; //first letter of a contact's name

        for (int i = 1; i < size; i++) {
            cntNameFL = ((Contact) getAddresses().elementAt(i)).name.charAt(0);
            cntNameFL = Character.toLowerCase(cntNameFL);

            if (firstLetter != cntNameFL) {
                firstLetter = cntNameFL;
                nameHash.put(new Character(firstLetter), new Integer(i));
            }
        }
    }

    //returns index of the most matched contact
    public int search(String name) {
        if (name == null || name.length() == 0) {
            return -1;
        }
        name.toLowerCase();
        Integer i = (Integer) nameHash.get(new Character(name.charAt(0))); //get the closest index
        if (i == null) //if its first letter was never indexed
        {
            return -1;
        }

        int size = getAddresses().size(), index = i.intValue();
        String contactName = null;
        //lets find its correct position (index)
        while (index < size) {
            contactName = ((Contact) getAddresses().elementAt(index)).name.toLowerCase();
            if (contactName.charAt(0) != name.charAt(0)) //has different first letter
            {
                return -1;
            } //not found
            if (contactName.compareTo(name) < 0) //name should be after the contactName
            {
                index++;
            } else {
                break;
            } //found or name lies before contactName
        }
        if (contactName.startsWith(name)) //now check if it really matches
        {
            return index;
        } else {
            return -1;
        }
    }
    
    //views a contact info
    public void view(int index) {
        if (0 <= index && index < getAddresses().size()) {
            viewForm = new Form(Lang.get(Lang.AD_CONTACT_INFO));
            Contact contact = (Contact) getAddresses().elementAt(index);
            viewForm.append(new StringItem(Lang.get(Lang.AD_NAME), contact.name));
            viewForm.append(new StringItem(Lang.get(Lang.AD_EMAIL),contact.getEmail()));
            viewForm.append(new StringItem(Lang.get(Lang.AD_NOTES), contact.notes));
            viewForm.addCommand(vBack);
            viewForm.setCommandListener(mujMail);

            mujMail.getDisplay().setCurrent(viewForm);
        }
    }
    //sends a selected contact a mail
    public void sendMail(int index) {
        if (0 <= index && index < getAddresses().size()) {
            Contact contact = (Contact) getAddresses().elementAt(index);
            mujMail.sendMail.to.setString("\"" + contact.name + "\" <" + contact.getEmail() + ">");

            mujMail.getDisplay().setCurrent(mujMail.sendMail);
        }
    }

    //is called when a Form wants to add emails from the addressbook
    public void addEmails(Form form) {
        nextDisplay = form;
        mode = MODE_SENDMAIL_BROWSE;
        addCommand(mark);
        addCommand(done);
        addCommand(flipRcps);
        mujMail.getDisplay().setCurrent(this);
    }

    //is called when the user confirms adding emails and wants to paste all those emails addresses to a form;
    public void pasteEmails() {
        StringBuffer emailBf = new StringBuffer();
        Contact contact;
        //probably old - and doesn't work
        TextField tfield = mujMail.sendMail.getSelectedItem() == null? mujMail.sendMail.to: mujMail.sendMail.getSelectedItem();

        //newer
        switch(recipientChoice) {
            case 0:
                tfield = mujMail.sendMail.to;
                break;
            case 1:
                tfield = mujMail.sendMail.cc;
                break;
            case 2:
                tfield = mujMail.sendMail.bcc;
                break;
        }
        for (Enumeration e = marked.elements(); e.hasMoreElements(); ) {
            contact = (Contact) e.nextElement();
            if (tfield.getString().indexOf(contact.getEmail()) == -1) {
                emailBf.append("\"" + contact.name + "\" <" + contact.getEmail() + ">, ");
            }
        }
        
        // 
        if ((tfield == mujMail.sendMail.cc || tfield == mujMail.sendMail.bcc) && emailBf.length() > 0 )
            mujMail.sendMail.addBc();

        if (tfield != mujMail.sendMail.body) {
            tfield.setString(emailBf.toString() + tfield.getString());
        } else {
            //tfield.setString(tfield.getString() + emailBf.toString());
            tfield.insert(emailBf.toString(), tfield.getCaretPosition());
        }
        back();
    }

    //is called when we want to flip recipients if inserting
    public void flipRecipients() {
        recipientChoice++;
        if (recipientChoice > 2) 
            recipientChoice = 0;
        switch(recipientChoice) {
            case 0:
                recipientChoiceStr = "To:";
                break;
            case 1:
                recipientChoiceStr = "Cc:";
                break;
            case 2:
                recipientChoiceStr = "Bcc:";
                break;
        }
            
        //System.out.println("flipRecipients " + recipientChoice);
    }
        
    //is called when the user un/mark a contact in the addressbook
    public void markEmail(int index) {
        if (index < getAddresses().size()) {
            Contact contact = (Contact) getAddresses().elementAt(index);
            if (!marked.containsKey(contact.email)) {
                marked.put(contact.getEmail(), contact);
            } else {
                marked.remove(contact.getEmail());
            }
            repaint();
        }
    }

    public String getContactName(String email) {
        if (email == null) {
            return null;
        }
        if (!emailHash.containsKey(email)) {
            return null;
        }
        return ((Contact) getEmailHash().get(email)).name;
    }
    
    //#ifdef MUJMAIL_TOUCH_SCR
    private class PointerEventListener extends MujMailPointerEventListener.MujMailPointerEventListenerAdapter {
    //#else
//#     private class PointerEventListener  {
    //#endif
         
         public void left() {
            textCur = (byte) ((textCur - 1 + input.length() + 1) % (input.length() + 1));
            cancelTimers();
            repaint();
         }

        public void right() {
            textCur = (byte) ((textCur + 1) % (input.length() + 1));
            cancelTimers();
            repaint();
        }

        public void up() {
            setSelectedIndex(-1);
            repaint();
        }

        public void down() {
            setSelectedIndex(1);
            repaint();
        }

        public void fire() {
            if (mode != MODE_SENDMAIL_BROWSE) {
                sendMail(cur);
            } else {
                markEmail(cur);
            }
            repaint();
        }

        public void slash() {
            shift = !shift;
        }

        public void star() {
            input.deleteCharAt(textCur - 1);
            textCur--;
            inputChanged = true;
        }
        
    }
}