src/filter.h

   1 /***************************************************************************
   2  *   Copyright (C) 2003 by Sébastien Laoût                                 *
   3  *   slaout@linux62.org                                                    *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #ifndef FILTER_H
  22 #define FILTER_H
  23
  24 #include <qwidget.h>
  25 #include <qmap.h>
  26
  27 #include "focusedwidgets.h"
  28
  29 class QToolButton;
  30
  31 class Tag;
  32 class State;
  33
  34 /** The structure that contain all filter terms
  35   * @author Sébastien Laoût
  36   */
  37 class FilterData
  38 {
  39   public:
  40         // Useful Enum for tagFilterType:
  41         enum TagFilterType { DontCareTagsFilter = 0, NotTaggedFilter, TaggedFilter, TagFilter, StateFilter };
  42         // Constructor and Destructor:
  43         FilterData()  { isFiltering = false; tagFilterType = DontCareTagsFilter; tag = 0; state = 0; }
  44         ~FilterData() {}
  45         // Filter data:
  46         QString  string;
  47         int      tagFilterType;
  48         Tag     *tag;
  49         State   *state;
  50         bool     isFiltering;
  51 };
  52
  53 /** A QWidget that allow user to enter terms to filter in a Basket.
  54   * @author Sébastien Laoût
  55   */
  56 class FilterBar : public QWidget
  57 {
  58   Q_OBJECT
  59   public:
  60         FilterBar(QWidget *parent = 0, const char *name = 0);
  61         ~FilterBar();
  62         const FilterData& filterData();
  63   signals:
  64         void newFilter(const FilterData &data);
  65         void escapePressed();
  66         void returnPressed();
  67   public slots:
  68         void repopulateTagsComnbo();
  69         void reset();
  70         void inAllBaskets();
  71         void setEditFocus();
  72         void filterTag(Tag *tag);
  73         void filterState(State *state);
  74         void setFilterAll(bool filterAll);
  75         void setFilterData(const FilterData &data);
  76   public:
  77         bool hasEditFocus();
  78         KLineEdit* lineEdit() { return m_lineEdit; }
  79   private slots:
  80         void textChanged(const QString &text);
  81         void tagChanged(int index);
  82   private:
  83         FilterData      *m_data;
  84         FocusedLineEdit *m_lineEdit;
  85         QToolButton     *m_resetButton;
  86         FocusedComboBox *m_tagsBox;
  87         QToolButton     *m_inAllBasketsButton;
  88
  89         QMap<int, Tag*>   m_tagsMap;
  90         QMap<int, State*> m_statesMap;
  91 };
  92
  93 #endif // FILTER_H