/*
 * todopluginwidget.cpp
 *
 * copyright   : (c) 2002 by Maximilian Reiß
 * email       : harlekin@handhelds.org
 *
 */
/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include "todopluginwidget.h"

#include <qvaluelist.h>
#include <qtl.h>
#include <qstring.h>
#include <qscrollview.h>
#include <qobject.h>
#include <qlayout.h>

#include <qpe/config.h>
#include <qpe/timestring.h>
#include <qpe/qcopenvelope_qws.h>

TodolistPluginWidget::TodolistPluginWidget( QWidget *parent,  const char* name)
    : QWidget(parent,  name ) {

    todoLabel= 0l;

    todo = 0l;
    if ( todo ) {
        delete todo;
    }
    todo = new ToDoDB();

    readConfig();
    m_maxCharClip = 36;
    getTodo();
}

TodolistPluginWidget::~TodolistPluginWidget() {
    delete todo;
}

void TodolistPluginWidget::readConfig() {
    Config cfg( "todaytodolistplugin" );
    cfg.setGroup( "config" );
    m_maxLinesTask = cfg.readNumEntry( "maxlinestask",  5 );
}


/**
 * Get the todos
 */
void TodolistPluginWidget::getTodo() {

    QVBoxLayout* layoutTodo = new QVBoxLayout( this );

    if ( todoLabel  ) {
        delete todoLabel;
    }

    todoLabel = new OClickableLabel( this );
    todoLabel->setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum ) );
    connect( todoLabel,  SIGNAL( clicked() ), this,  SLOT( startTodolist() ) );
    QString output;
    QString tmpout;
    int count = 0;
    int ammount = 0;

    // get overdue todos first
    QValueList<ToDoEvent> overDueList = todo->overDue();
    qBubbleSort(overDueList);
    for ( QValueList<ToDoEvent>::Iterator it = overDueList.begin();
          it!=overDueList.end(); ++it ) {
        if (!(*it).isCompleted() && ( ammount < m_maxLinesTask ) ) {
            QString desc = (*it).summary();
            if( desc.isEmpty() ) {
                desc = (*it).description();
            }
            tmpout += "<font color=#e00000><b>-" + desc.mid(0, m_maxCharClip) + "</b></font><br>";
            ammount++;
        }
    }

    // get total number of still open todos
    QValueList<ToDoEvent> openTodo = todo->rawToDos();
    qBubbleSort( openTodo );
    for ( QValueList<ToDoEvent>::Iterator it=openTodo.begin();
          it!=openTodo.end(); ++it ) {
        if ( !(*it).isCompleted() ){
            count +=1;
            // not the overdues, we allready got them, and not if we are
            // over the maxlines
            if ( !(*it).isOverdue() && ( ammount < m_maxLinesTask ) ) {
                QString desc = (*it).summary();
                if( desc.isEmpty() ) {
                    desc = (*it).description();
                }
                tmpout += "<b>-</b>" + desc.mid(0, m_maxCharClip) + "<br>";
                ammount++;
            }
        }
    }


    if ( count > 0 ) {
        if( count == 1 ) {
            output += QObject::tr( "There is <b> 1</b> active task:  <br>" );
        } else {
            output += QObject::tr( "There are <b> %1</b> active tasks: <br>" ).arg(count);
        }
        output += tmpout;
    } else {
        output = QObject::tr( "No active tasks" );
  }
    todoLabel->setText( output );
    layoutTodo->addWidget( todoLabel );
}

/**
 * start the todolist
 */
void TodolistPluginWidget::startTodolist() {
    QCopEnvelope e("QPE/System", "execute(QString)");
    e << QString("todolist");
}