src/kitemviews/kitemlistheader.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2012 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "kitemlistheader.h"
  21 #include "kitemlistview.h"
  22 #include "private/kitemlistheaderwidget.h"
  23
  24 KItemListHeader::~KItemListHeader()
  25 {
  26 }
  27
  28 void KItemListHeader::setAutomaticColumnResizing(bool automatic)
  29 {
  30     if (m_headerWidget->automaticColumnResizing() != automatic) {
  31         m_headerWidget->setAutomaticColumnResizing(automatic);
  32         if (automatic) {
  33             m_view->applyAutomaticColumnWidths();
  34             m_view->doLayout(KItemListView::NoAnimation);
  35         }
  36     }
  37 }
  38
  39 bool KItemListHeader::automaticColumnResizing() const
  40 {
  41     return m_headerWidget->automaticColumnResizing();
  42 }
  43
  44 void KItemListHeader::setColumnWidth(const QByteArray& role, qreal width)
  45 {
  46     if (!m_headerWidget->automaticColumnResizing()) {
  47         m_headerWidget->setColumnWidth(role, width);
  48         m_view->applyColumnWidthsFromHeader();
  49         m_view->doLayout(KItemListView::NoAnimation);
  50     }
  51 }
  52
  53 qreal KItemListHeader::columnWidth(const QByteArray& role) const
  54 {
  55     return m_headerWidget->columnWidth(role);
  56 }
  57
  58 void KItemListHeader::setColumnWidths(const QHash<QByteArray, qreal>& columnWidths)
  59 {
  60     if (!m_headerWidget->automaticColumnResizing()) {
  61         foreach (const QByteArray& role, m_view->visibleRoles()) {
  62             const qreal width = columnWidths.value(role);
  63             m_headerWidget->setColumnWidth(role, width);
  64         }
  65
  66         m_view->applyColumnWidthsFromHeader();
  67         m_view->doLayout(KItemListView::NoAnimation);
  68     }
  69 }
  70
  71 qreal KItemListHeader::preferredColumnWidth(const QByteArray& role) const
  72 {
  73     return m_headerWidget->preferredColumnWidth(role);
  74 }
  75
  76 KItemListHeader::KItemListHeader(KItemListView* listView) :
  77     QObject(listView),
  78     m_view(listView)
  79 {
  80     m_headerWidget = m_view->m_headerWidget;
  81     Q_ASSERT(m_headerWidget);
  82
  83     connect(m_headerWidget, &KItemListHeaderWidget::columnWidthChanged,
  84             this, &KItemListHeader::columnWidthChanged);
  85     connect(m_headerWidget, &KItemListHeaderWidget::columnWidthChangeFinished,
  86             this, &KItemListHeader::columnWidthChangeFinished);
  87 }
  88