/******************************************************************************

 *

 * 

 *

 * Copyright (C) 1997-2015 by Dimitri van Heesch.

 *

 * Permission to use, copy, modify, and distribute this software and its

 * documentation under the terms of the GNU General Public License is hereby 

 * granted. No representations are made about the suitability of this software 

 * for any purpose. It is provided "as is" without express or implied warranty.

 * See the GNU General Public License for more details.

 *

 */

#include "inputstrlist.h"

#include "helplabel.h"

#include "doxywizard.h"

#include "config.h"

#include <QToolBar>

#include <QGridLayout>

#include <QLineEdit>

#include <QListWidget>

#include <QFileInfo>

#include <QFileDialog>

#include <QTextStream>

#include <QTextCodec>

InputStrList::InputStrList( QGridLayout *layout,int &row,

                            const QString & id, 

                            const QStringList &sl, ListMode lm,

                            const QString & docs)

  : m_default(sl), m_strList(sl), m_docs(docs), m_id(id)

{

  m_lab = new HelpLabel( id );

  m_le  = new QLineEdit;

  m_le->clear();

  QToolBar *toolBar = new QToolBar;

  toolBar->setIconSize(QSize(24,24));

  m_add = toolBar->addAction(QIcon(QString::fromLatin1(":/images/add.png")),QString(),

                             this,SLOT(addString()));

  m_add->setToolTip(tr("Add item"));

  m_del = toolBar->addAction(QIcon(QString::fromLatin1(":/images/del.png")),QString(),

                             this,SLOT(delString()));

  m_del->setToolTip(tr("Delete selected item"));

  m_upd = toolBar->addAction(QIcon(QString::fromLatin1(":/images/refresh.png")),QString(),

                             this,SLOT(updateString()));

  m_upd->setToolTip(tr("Update selected item"));

  m_lb  = new QListWidget;

  //m_lb->setMinimumSize(400,100);

  foreach (QString s, m_strList) m_lb->addItem(s);

  m_brFile=0;

  m_brDir=0;

  if (lm!=ListString)

  {

    if (lm&ListFile)

    {

      m_brFile = toolBar->addAction(QIcon(QString::fromLatin1(":/images/file.png")),QString(),

                                    this,SLOT(browseFiles()));

      m_brFile->setToolTip(tr("Browse to a file"));

    } 

    if (lm&ListDir)

    {

      m_brDir = toolBar->addAction(QIcon(QString::fromLatin1(":/images/folder.png")),QString(),

                                   this,SLOT(browseDir()));

      m_brDir->setToolTip(tr("Browse to a folder"));

    }

  }

  QHBoxLayout *rowLayout = new QHBoxLayout;

  rowLayout->addWidget( m_le );

  rowLayout->addWidget( toolBar );

  layout->addWidget( m_lab,      row,0 );

  layout->addLayout( rowLayout,  row,1,1,2 );

  layout->addWidget( m_lb,       row+1,1,1,2 );

  row+=2;

  m_value = m_strList;

  connect(m_le,   SIGNAL(returnPressed()), 

          this, SLOT(addString()) );

  connect(m_lb,   SIGNAL(currentTextChanged(const QString &)), 

          this, SLOT(selectText(const QString &)));

  connect( m_lab, SIGNAL(enter()), SLOT(help()) );

  connect( m_lab, SIGNAL(reset()), SLOT(reset()) );

}

void InputStrList::help()

{

  showHelp(this);

}

void InputStrList::addString()

{

  if (!m_le->text().isEmpty())

  {

    m_lb->addItem(m_le->text());

    m_strList.append(m_le->text());

    m_value = m_strList;

    updateDefault();

    emit changed();

    m_le->clear();

  }

}

void InputStrList::delString()

{

  if (m_lb->currentRow()!=-1)

  {

    int itemIndex = m_lb->currentRow();

    delete m_lb->currentItem();

    m_strList.removeAt(itemIndex);

    m_value = m_strList;

    updateDefault();

    emit changed();

  }

}

void InputStrList::updateString()

{

  if (m_lb->currentRow()!=-1 && !m_le->text().isEmpty())

  {

    m_lb->currentItem()->setText(m_le->text());

    m_strList.insert(m_lb->currentRow(),m_le->text());

    m_strList.removeAt(m_lb->currentRow()+1);

    m_value = m_strList;

    updateDefault();

    emit changed();

  }

}

void InputStrList::selectText(const QString &s)

{

  m_le->setText(s);

}

void InputStrList::setEnabled(bool state)

{

  m_lab->setEnabled(state);

  m_le->setEnabled(state);

  m_add->setEnabled(state);

  m_del->setEnabled(state);

  m_upd->setEnabled(state);

  m_lb->setEnabled(state);

  if (m_brFile) m_brFile->setEnabled(state);

  if (m_brDir)  m_brDir->setEnabled(state);

  updateDefault();

}

void InputStrList::browseFiles()

{

  QString path = QFileInfo(MainWindow::instance().configFileName()).path();

  QStringList fileNames = QFileDialog::getOpenFileNames();	

  if (!fileNames.isEmpty()) 

  {

    QStringList::Iterator it;

    for ( it= fileNames.begin(); it != fileNames.end(); ++it )

    {

      QString fileName;

      QDir dir(path);

      if (!MainWindow::instance().configFileName().isEmpty() && dir.exists())

      {

        fileName = dir.relativeFilePath(*it);

      }

      if (fileName.isEmpty())

      {

        fileName = *it;

      }

      m_lb->addItem(fileName);

      m_strList.append(fileName);

      m_value = m_strList;

      updateDefault();

      emit changed();

    }

    m_le->setText(m_strList[0]);

  }

}

void InputStrList::browseDir()

{	

  QString path = QFileInfo(MainWindow::instance().configFileName()).path();

  QString dirName = QFileDialog::getExistingDirectory();	

  if (!dirName.isNull()) 

  {

    QDir dir(path);

    if (!MainWindow::instance().configFileName().isEmpty() && dir.exists())

    {

      dirName = dir.relativeFilePath(dirName);

    }

    if (dirName.isEmpty())

    {

      dirName=QString::fromLatin1(".");

    }

    m_lb->addItem(dirName);

    m_strList.append(dirName);

    m_value = m_strList;

    updateDefault();

    emit changed();

    m_le->setText(dirName);

  }

}

void InputStrList::setValue(const QStringList &sl)

{

  m_le->clear();

  m_lb->clear();

  m_strList = sl;

  for (int i=0;i

  {

    m_lb->addItem(m_strList[i].trimmed());

  }

  updateDefault();

}

QVariant &InputStrList::value()

{

  return m_value;

}

void InputStrList::update()

{

  setValue(m_value.toStringList());

}

void InputStrList::updateDefault()

{

  if (m_strList==m_default || !m_lab->isEnabled())

  {

    m_lab->setText(QString::fromLatin1("<qt>")+m_id+QString::fromLatin1("

  }

  else

  {

    m_lab->setText(QString::fromLatin1("<qt><font color='red'>")+m_id+QString::fromLatin1("</font></qt>"));

  }

}

void InputStrList::reset()

{

  setValue(m_default);

}

void InputStrList::writeValue(QTextStream &t,QTextCodec *codec)

{

  bool first=true;

  foreach (QString s, m_strList) 

  {

    if (!first) 

    {

      t << " \\" << endl;

      t << "                         ";

    }

    first=false;

    writeStringValue(t,codec,s);

  }

}