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
  23 #include "private/kitemlistheaderwidget.h"
  24
  25 KItemListHeader::~KItemListHeader()
  26 {
  27 }
  28
  29 void KItemListHeader::setAutomaticColumnResizing(bool automatic)
  30 {
  31     if (m_headerWidget->automaticColumnResizing() != automatic) {
  32         m_headerWidget->setAutomaticColumnResizing(automatic);
  33         if (automatic) {
  34             m_view->applyAutomaticColumnWidths();
  35             m_view->doLayout(KItemListView::NoAnimation);
  36         }
  37     }
  38 }
  39
  40 bool KItemListHeader::automaticColumnResizing() const
  41 {
  42     return m_headerWidget->automaticColumnResizing();
  43 }
  44
  45 void KItemListHeader::setColumnWidth(const QByteArray& role, qreal width)
  46 {
  47     if (!m_headerWidget->automaticColumnResizing()) {
  48         m_headerWidget->setColumnWidth(role, width);
  49         m_view->applyColumnWidthsFromHeader();
  50         m_view->doLayout(KItemListView::NoAnimation);
  51     }
  52 }
  53
  54 qreal KItemListHeader::columnWidth(const QByteArray& role) const
  55 {
  56     return m_headerWidget->columnWidth(role);
  57 }
  58
  59 void KItemListHeader::setColumnWidths(const QHash<QByteArray, qreal>& columnWidths)
  60 {
  61     if (!m_headerWidget->automaticColumnResizing()) {
  62         foreach (const QByteArray& role, m_view->visibleRoles()) {
  63             const qreal width = columnWidths.value(role);
  64             m_headerWidget->setColumnWidth(role, width);
  65         }
  66
  67         m_view->applyColumnWidthsFromHeader();
  68         m_view->doLayout(KItemListView::NoAnimation);
  69     }
  70 }
  71
  72 qreal KItemListHeader::preferredColumnWidth(const QByteArray& role) const
  73 {
  74     return m_headerWidget->preferredColumnWidth(role);
  75 }
  76
  77 KItemListHeader::KItemListHeader(KItemListView* listView) :
  78     QObject(listView->parent()),
  79     m_view(listView)
  80 {
  81     m_headerWidget = m_view->m_headerWidget;
  82     Q_ASSERT(m_headerWidget);
  83
  84     connect(m_headerWidget, &KItemListHeaderWidget::columnWidthChanged,
  85             this, &KItemListHeader::columnWidthChanged);
  86     connect(m_headerWidget, &KItemListHeaderWidget::columnWidthChangeFinished,
  87             this, &KItemListHeader::columnWidthChangeFinished);
  88 }
  89