/*************************************************************************** * Copyright (C) 2003-2007 by Oliver Saal * * osaal@gmx.de * * http://www.oliver-saal.de/software/afutrainer/ * * * * 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., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ #include "catalogmodel.h" #include "catalog.h" #define COL_CHAPTER 0 #define COL_QUESTION 1 #define COL_ASSIST 2 #define COL_AVG 3 CCatalogModel::CCatalogModel (QObject *pParent) : QAbstractItemModel (pParent) { m_pCatalog = 0; } CCatalogModel::~CCatalogModel() { } void CCatalogModel::onLanguageChanged() { headerDataChanged(Qt::Horizontal, 0, columnCount()-1); } void CCatalogModel::setModelData (CCatalog *pCatalog) { reset(); m_pCatalog = pCatalog; reset(); } int CCatalogModel::columnCount (const QModelIndex& parent) const { Q_UNUSED(parent); return 4; } QVariant CCatalogModel::headerData (int section, Qt::Orientation orientation, int role) const { if (orientation == Qt::Vertical) return QVariant(); if (role == Qt::DisplayRole) { if (section == COL_CHAPTER) return tr("Kapitel"); else if (section == COL_QUESTION) return tr("Fragen"); else if (section == COL_AVG) return tr("Ø"); else if (section == COL_ASSIST) return tr("Lernassistent"); } else if (role == Qt::ToolTipRole) { if (section == COL_CHAPTER) return tr("Kapitelname\nBitte markieren Sie das Kapitel, das Sie lernen möchten."); else if (section == COL_QUESTION) return tr("Anzahl d. Fragen inkl. Unterkapitel"); else if (section == COL_AVG) return tr("Durchschnittlicher Lernfortschritt"); else if (section == COL_ASSIST) return tr("Empfehlung des Lernassistentes"); } else if (role == Qt::WhatsThisRole) { } return QVariant(); } QVariant CCatalogModel::data (const QModelIndex& index, int role) const { CChapter *p = (CChapter*) index.internalPointer(); if (m_pCatalog == 0 || !index.isValid()) return QVariant(); if (role == Qt::TextAlignmentRole && index.column() == COL_QUESTION) return Qt::AlignRight; if (p == 0) return QVariant(); if (role == Qt::DisplayRole) { if (index.column() == COL_CHAPTER) { if (p->id().isEmpty()) return p->text(); else return p->id() + " - " + p->text(); } else if (index.column() == COL_QUESTION) return QString("%1").arg(p->countSubQuestion()); else if (index.column() == COL_ASSIST) { return p->recommendationText(); } } else if (role == Qt::DecorationRole) { if (index.column() == COL_CHAPTER) return QIcon(":/icons/16x16/folder.png"); else if (index.column() == COL_AVG) { return p->levelAvgIcon(); } else if (index.column() == COL_ASSIST) { return p->recommendationIcon(m_pCatalog); } } else if (role == Qt::ToolTipRole) { if (index.column() == COL_AVG) { return QString ("%1 - Kennzahl: %2").arg(p->/*statistic().*/levelAvgText()).arg(p->/*statistic().*/levelAvg(), 4, 'f', 2); } else if (index.column() == COL_ASSIST) { return p->recommendationToolTip(); } } return QVariant(); } bool CCatalogModel::hasChildren (const QModelIndex& parent) const { CChapter *p = (CChapter*) parent.internalPointer(); if (m_pCatalog == 0) return false; if (parent.isValid() && p) return (p->countChapter() > 0); else // root item return true; } QModelIndex CCatalogModel::index (int row, int column, const QModelIndex& parent) const { CChapter *pParent = (CChapter*) parent.internalPointer(); if (!parent.isValid()) { // root item return createIndex (row, column, (void*) m_pCatalog); } else { // take entry from parent item if (row > pParent->countChapter()) return QModelIndex(); return createIndex (row, column, (void*)pParent->chapterAt(row)); } return QModelIndex(); } QModelIndex CCatalogModel::parent (const QModelIndex& index) const { CChapter *pIndex = (CChapter*) index.internalPointer(); int iRow=0; if (pIndex == 0 || pIndex->parentChapter() == 0) // root item return QModelIndex(); // has no parent CChapter *pParent = pIndex->parentChapter(); if (pParent->parentChapter()) iRow = pParent->parentChapter()->indexOfChapter(pParent); else // parent is the root item (parent of the parent doesn't exist) iRow = 0; return createIndex (iRow, 0 /*index.column()*/, pParent); } int CCatalogModel::rowCount (const QModelIndex& parent) const { CChapter *pParent = (CChapter*) parent.internalPointer(); if (m_pCatalog == 0 || m_pCatalog->isEmpty()) return 0; if (!parent.isValid()) // root item return 1; return pParent->countChapter(); }