/**********************************************************************
** Copyright (C) 2002 L.J. Potter <llornkcor@handhelds.org>

**  All rights reserved.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
**********************************************************************/

#include "notes.h"

/* OPIE */
#include <opie2/odebug.h>
#include <opie2/otaskbarapplet.h>
#include <opie2/oresource.h>
#include <qpe/filemanager.h>
#include <qpe/qpeapplication.h>
#include <qpe/timestring.h>
#include <qpe/applnk.h>
#include <qpe/ir.h>
#include <qpe/config.h>
using namespace Opie::Core;
using namespace Opie::Ui;

/* QT */
#include <qmultilineedit.h>
#include <qlistbox.h>
#include <qpopupmenu.h>
#include <qmessagebox.h>
#include <qapplication.h>
#include <qdir.h>
#include <qfile.h>
#include <qpoint.h>
#include <qpushbutton.h>
#include <qpainter.h>
#include <qlayout.h>
#include <qframe.h>
#include <qpixmap.h>
#include <qstring.h>
#include <qstringlist.h>
#include <qtimer.h>

/* STD */
#include <stdlib.h>

NotesControl::NotesControl( QWidget *, const char * )
        : QVBox( 0, "NotesControl",/* WDestructiveClose | */WStyle_StaysOnTop )
//        : QFrame( parent, name, WDestructiveClose | WStyle_StaysOnTop | WType_Popup )
{
    QDir d( QDir::homeDirPath()+"/notes");
    if( !d.exists()) {
        odebug << "make dir" << oendl;
        if(!d.mkdir( QDir::homeDirPath()+"/notes", true))
            odebug << "<<<<<<<<<<<<<<<<<<<<<<<<<<<make dir failed" << oendl;
    }
    Config cfg("Notes");
     cfg.setGroup("Options");
     showMax = cfg.readBoolEntry("ShowMax", false);

     setFrameStyle( QFrame::PopupPanel | QFrame::Raised );
    loaded=false;
    edited=false;
    doPopulate=true;
    isNew=false;
    QVBox *vbox = new QVBox( this, "Vlayout" );
    QHBox  *hbox = new QHBox( this, "HLayout" );

    view = new QMultiLineEdit(vbox, "OpieNotesView");

    box = new QListBox(vbox, "OpieNotesBox");

    QPEApplication::setStylusOperation( box->viewport(),QPEApplication::RightOnHold);

    box->setFixedHeight(50);

    vbox->setMargin( 6 );
    vbox->setSpacing( 3 );



    setFocusPolicy(QWidget::StrongFocus);

    newButton= new QPushButton( hbox, "newButton" );
    newButton->setText(tr("New"));


    saveButton= new QPushButton( hbox, "saveButton" );
    saveButton->setText(tr("Save"));


    deleteButton= new QPushButton( hbox, "deleteButton" );
    deleteButton->setText(tr("Delete"));



    connect( box, SIGNAL( mouseButtonPressed(int,QListBoxItem*,const QPoint&)),
             this,SLOT( boxPressed(int,QListBoxItem*,const QPoint&)) );

    connect(box, SIGNAL(highlighted(const QString&)), this, SLOT(slotBoxSelected(const QString&)));

    connect( &menuTimer, SIGNAL( timeout() ), SLOT( showMenu() ) );

    connect(view,SIGNAL( textChanged() ), this, SLOT(slotViewEdited() ) );

    connect(newButton, SIGNAL(clicked()), this, SLOT(slotNewButton()));
    connect(saveButton, SIGNAL(clicked()), this, SLOT(slotSaveButton()));
    connect(deleteButton, SIGNAL(clicked()), this, SLOT(slotDeleteButtonClicked()));

    populateBox();
    load();
    setCaption("Notes");
      //  parent->setFocus();
}

void NotesControl::slotSaveButton() {
    slotNewButton();
    populateBox();
}

void NotesControl::slotDeleteButtonClicked() {
    switch ( QMessageBox::warning(this,tr("Delete?")
                                  ,tr("Do you really want to<BR><B> delete</B> this note ?")
                                  ,tr("Yes"),tr("No"),0,1,1) ) {
      case 0:
          slotDeleteButton();
          break;
    };
}

void NotesControl::slotDeleteButton() {

    QString selectedText = box->currentText();
    odebug << "deleting "+selectedText << oendl;

    if( !selectedText.isEmpty()) {

        Config cfg("Notes");
        cfg.setGroup("Docs");
        int noOfFiles = cfg.readNumEntry("NumberOfFiles", 0 );
        QString entryName, entryName2;;
        for ( int i = 0; i < noOfFiles; i++ ) {
            entryName.sprintf( "File%i", i + 1 );
            if(selectedText == cfg.readEntry( entryName )) {
                odebug << "removing " << selectedText.latin1() << ", " << i << "" << oendl;
                for ( int j = i; j < noOfFiles; j++ ) {
                    entryName.sprintf( "File%i", i + 1  );
                    entryName2.sprintf( "File%i", i + 2 );
                    QString temp = cfg.readEntry(entryName2);
                    odebug << "move "+temp << oendl;
                    cfg.writeEntry(entryName, temp);
                    i++;
                }
                cfg.writeEntry("NumberOfFiles", noOfFiles-1 );
                entryName.sprintf( "File%i", noOfFiles );
                cfg.removeEntry(entryName);
                cfg.write();
                DocLnk nf(selectedText);
                nf.removeFiles();
                QString fi=QPEApplication::documentDir()+"/text/plain/"+selectedText+".desktop";
                odebug << fi << oendl;

                QFile f( fi);
                if( !f.remove()) odebug << ".desktop file not removed" << oendl;

            }
        }
        view->clear();

        populateBox();
    }
}

void NotesControl::slotNewButton() {
    if(edited) save();
    view->clear();
    view->setFocus();
    edited=false;
    isNew=false;
}

void NotesControl::slotBeamButton() {
  Ir ir;
  if(!ir.supported()){
  } else {
      this->hide();
    QString selectedText = box->currentText();
    if( !selectedText.isEmpty()) {
        QString file = QDir::homeDirPath()+"/"+selectedText;
        QFile f(file);
           Ir *irFile = new Ir(this, "IR");
          connect( irFile, SIGNAL(done(Ir*)), this, SLOT( slotBeamFinished(Ir*)));
          irFile->send( file, "Note", "text/plain" );
    }
  }
}

void NotesControl::slotBeamFinished(Ir *) {
    this->show();
}

void NotesControl::boxPressed(int mouse, QListBoxItem *, const QPoint&) {
  switch (mouse) {
    case 1:{
    }
    break;
  case 2:
    menuTimer.start( 500, TRUE );
    break;
  };
}

void NotesControl::slotBoxSelected(const QString &itemString) {
    if(edited) {
        save();
    }
    loaded=false;
    edited=false;
    load(itemString);
}


void NotesControl::showMenu() {
  QPopupMenu *m = new QPopupMenu(0);
  m->insertItem(  tr( "Beam Out" ), this,  SLOT( slotBeamButton() ));
  m->insertItem(  tr( "Search For..." ), this,  SLOT( slotSearch() ));
  m->insertItem(  tr( "Toggle Maximized" ), this,  SLOT( slotShowMax() ));
  m->insertSeparator();
  m->insertItem(  tr( "Delete" ), this,  SLOT( slotDeleteButton() ));
  m->setFocus();
  m->exec( QCursor::pos() );

  delete m;
}

void NotesControl::focusOutEvent ( QFocusEvent * e) {
    if( e->reason() == QFocusEvent::Popup)
        save();
    else {
        if(!loaded) {
        populateBox();
        load();
        }
    }
    QWidget::focusOutEvent(e);
}

void NotesControl::save() {
    Config cfg("Notes");
    cfg.setGroup("Docs");
    if( edited) {
//        odebug << "is edited" << oendl;
        QString rt = view->text();
        if( rt.length()>1) {
            QString pt = rt.simplifyWhiteSpace();
            int i = pt.find( ' ', pt.find( ' ' )+2 );
            QString docname = pt;
            if ( i > 0 )
                docname = pt.left(i);
              // remove "." at the beginning
            while( docname.startsWith( "." ) )
                docname = docname.mid( 1 );
            docname.replace( QRegExp("/"), "_" );
              // cut the length. filenames longer than that don't make sense
              // and something goes wrong when they get too long.
            if ( docname.length() > 40 )
                docname = docname.left(40);
            if ( docname.isEmpty() )
                docname = "Empty Text";
//            odebug << docname << oendl;

            if( oldDocName != docname) {
                int noOfFiles = cfg.readNumEntry("NumberOfFiles", 0 );
                QString entryName;
                entryName.sprintf( "File%i", noOfFiles + 1 );
                cfg.writeEntry( entryName,docname );
                cfg.writeEntry("NumberOfFiles", noOfFiles+1 );
                cfg.write();
            }
//             else
//                 odebug << "oldname equals docname" << oendl;

            doc = new DocLnk(docname);
            if(QFile(doc->linkFile()).exists())
               odebug << "puppie" << oendl;
            doc->setType("text/plain");
            doc->setName(docname);
            QString temp = docname.replace( QRegExp(" "), "_" );
            doc->setFile( QDir::homeDirPath()+"/notes/"+temp);
            FileManager fm;
            if ( !fm.saveFile( *doc, rt ) ) {
            }

            oldDocName=docname;
            edited=false;
//            odebug << "save" << oendl;
            if (doPopulate)
                populateBox();
        }
    cfg.writeEntry( "LastDoc",oldDocName );
    cfg.write();

    }
}

void NotesControl::populateBox() {
    box->clear();
//    odebug << "populate" << oendl;
    Config cfg("Notes");
    cfg.setGroup("Docs");
    int noOfFiles = cfg.readNumEntry("NumberOfFiles", 0 );
    QStringList list;
    QString entryName;
    for ( int i = 0; i < noOfFiles; i++ ) {
        entryName.sprintf( "File%i", i + 1 );
        list.append(cfg.readEntry( entryName ));
    }
    list.sort();
    box->insertStringList(list,-1);
    doPopulate=false;
    update();
}

void NotesControl::load() {

    if(!loaded) {
        Config cfg("Notes");
        cfg.setGroup("Docs");
        QString lastDoc=cfg.readEntry( "LastDoc","notes");
        DocLnk nf;
        nf.setType("text/plain");
        nf.setFile(lastDoc);

        loadDoc(nf);
        loaded=true;
        oldDocName=lastDoc;
        cfg.writeEntry( "LastDoc",oldDocName );
        cfg.write();
    }
}

void NotesControl::load(const QString & file) {
    odebug << "loading "+file << oendl;
    QString name = file;
    QString temp;
    if( !QFile( QDir::homeDirPath()+"/"+file).exists() )
        temp =  QDir::homeDirPath()+"/notes/"+ name.replace( QRegExp(" "), "_" );
    else
        temp = name;
            if(!loaded) {
        DocLnk nf;
        nf.setType("text/plain");
        nf.setFile( temp);
        if(!temp.isEmpty())
        loadDoc(nf);
        loaded=true;
    }
//    view->setFocus();
    oldDocName=file;
    Config cfg("Notes");
    cfg.setGroup("Docs");
    cfg.writeEntry( "LastDoc",oldDocName );
    cfg.write();
}

void NotesControl::loadDoc( const DocLnk &f) {
    FileManager fm;
    QString txt;
    if ( !fm.loadFile( f, txt ) ) {
        odebug << "could not load file "+f.file() << oendl;
        return;
    }
    view->setText(txt);
}

void NotesControl::slotViewEdited() {
     if(loaded) {
         edited=true;
     }
}


void NotesControl::slotShowMax() {
     Config cfg("Notes");
     cfg.setGroup("Options");
     showMax=!showMax;
     cfg.writeEntry("ShowMax", showMax);
     cfg.write();
     hide();
}

void NotesControl::slotSearch() {
    int boxCount = box->count();
    for(int i=0;i< boxCount;i++) {

    }
}

// void NotesControl::keyReleaseEvent( QKeyEvent *e) {

//     switch ( e->state() ) {
//           case ControlButton:
//               if(e->key() == Key_C) { //copy
//                   odebug << "copy" << oendl;
//     QClipboard *cb = QApplication::clipboard();
//     QString text;

//     // Copy text from the clipboard (paste)
//     text = cb->text();
//               }
//               if(e->key() == Key_X) { //cut
//               }
//               if(e->key() == Key_V) { //paste
//     QClipboard *cb = QApplication::clipboard();
//     QString text;
// //view
//     cb->setText();
//               }
//               break;
//         };
// QWidget::keyReleaseEvent(e);
// }

//===========================================================================

NotesApplet::NotesApplet( QWidget *parent, const char *name )
        : QWidget( parent, name ) {
    setFixedHeight( AppLnk::smallIconSize() );
    setFixedWidth( AppLnk::smallIconSize() );
    notesPixmap = Opie::Core::OResource::loadImage( "edit", Opie::Core::OResource::SmallIcon );
   vc = new NotesControl;
}

NotesApplet::~NotesApplet() {
    delete vc;
}

int NotesApplet::position()
{
    return 6;
}

void NotesApplet::mousePressEvent( QMouseEvent *) {
    if( !vc->isHidden()) {
        vc->doPopulate=false;
        vc->save();
        vc->close();
    } else {
//    vc = new NotesControl;
//    QPoint curPos = mapToGlobal( rect().topLeft() );
         if(vc->showMax) {
             odebug << "show max" << oendl;
             vc->showMaximized();
         } else {
             odebug << "no show max" << oendl;
             QWidget *wid = QPEApplication::desktop();
            QRect rect = QApplication::desktop()->geometry();
             vc->setGeometry( ( wid->width() / 2) - ( vc->width() / 2 ) , 28 , wid->width() -10 , 180);
            vc->move ( (rect.center()/2) - (vc->rect().center()/2));
//             vc->move(  (( wid->width() / 2) - ( vc->width() / 2 ))-4, 28);
        }
        vc->show();
        vc->doPopulate=true;
        vc->populateBox();
        vc->doPopulate=false;
        vc->loaded=false;

        vc->load();
//        this->setFocus();
        vc->view->setFocus();
    }
}

void NotesApplet::paintEvent( QPaintEvent* ) {
    QPainter p(this);
    p.drawPixmap( 0, 2, notesPixmap );
}


EXPORT_OPIE_APPLET_v1(  NotesApplet )