song-header-editor.hh

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// Copyright (C) 2009-2011, Romain Goffe <romain.goffe@gmail.com>
// Copyright (C) 2009-2011, Alexandre Dupas <alexandre.dupas@gmail.com>
//
// 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.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.
//******************************************************************************
#ifndef __SONG_HEADER_EDITOR_HH__
#define __SONG_HEADER_EDITOR_HH__

#include <QWidget>

#include "song.hh"

#include <QString>
#include <QLabel>
#include <QPixmap>

class CSongEditor;
class CCoverDropArea;
class CDiagramArea;
class CLibrary;
class LineEdit;

class QSpinBox;
class QComboBox;
class QBoxLayout;
class QStackedLayout;

class CSongHeaderEditor : public QWidget
{
  Q_OBJECT

public:
  enum ViewMode {
    FullViewMode, 
    MiniViewMode  
  };

  CSongHeaderEditor(QWidget *parent = 0);
  ~CSongHeaderEditor();

  Song & song();

  CSongEditor * songEditor() const;

  void setSongEditor(CSongEditor *songEditor);

  const QImage & cover();

  void setLibrary(CLibrary* library);

  LineEdit* titleLineEdit() const;

  LineEdit* artistLineEdit() const;

  QSize sizeHint() const;

private slots:
  void onIndexChanged(const QString &text);
  void onTextEdited(const QString &text);
  void onValueChanged(int value);
  void onDiagramsChanged();
  void onCoverChanged();

public slots:
  void update();

  void toggleView();

signals:
  void contentsChanged();

  void languageChanged(const QLocale &);

private:
  CSongEditor *m_songEditor;

  LineEdit *m_titleLineEdit;
  LineEdit *m_artistLineEdit;
  LineEdit *m_albumLineEdit;
  LineEdit *m_originalSongLineEdit;
  LineEdit *m_urlLineEdit;
  QComboBox *m_languageComboBox;
  QSpinBox *m_columnCountSpinBox;
  QSpinBox *m_capoSpinBox;
  QSpinBox *m_transposeSpinBox;
  CCoverDropArea *m_coverLabel;

  CDiagramArea *m_diagramArea;

  ViewMode m_viewMode;
  QStackedLayout *m_stackedLayout;
};


class QMimeData;
class QDragEnterEvent;
class QDragMoveEvent;
class QDragLeaveEvent;
class QDragDropEvent;

class CCoverDropArea : public QLabel
{
  Q_OBJECT

  public:
  CCoverDropArea(CSongHeaderEditor *parent);

  Song & song();

  const QImage & cover();

  void setCover(const QImage &cover);

  void setCover(const QString &filename);

  CSongHeaderEditor * parent() const;

  void setParent(CSongHeaderEditor *p);

private slots:
  void selectCover();
  void clearCover();

public slots:
  void clear();

  void update();

signals:
  void changed(const QMimeData *mimeData = 0);

  void coverChanged();

  void miniCoverChanged(const QPixmap & thumbnail);

protected:
  void dragEnterEvent(QDragEnterEvent *event);
  void dragMoveEvent(QDragMoveEvent *event);
  void dragLeaveEvent(QDragLeaveEvent *event);
  void dropEvent(QDropEvent *event);
  virtual void mousePressEvent(QMouseEvent *event);
  virtual void mouseReleaseEvent(QMouseEvent *event);
  virtual void contextMenuEvent(QContextMenuEvent *event);

private:
  QString m_filename;
  QImage m_cover;
  CSongHeaderEditor * m_parent;
};

#endif // __SONG_HEADER_EDITOR_HH__