File indexing completed on 2023-05-30 10:42:10

 /*
     This file is part of Kiten, a KDE Japanese Reference Tool
     SPDX-FileCopyrightText: 2011 Daniel E. Moctezuma <democtezuma@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "kanjibrowserview.h"
 
 #include "DictKanjidic/dictfilekanjidic.h"
 #include "DictKanjidic/entrykanjidic.h"
 #include "dictquery.h"
 #include "entrylist.h"
 #include "kanjibrowser.h"
 #include "kanjibrowserconfig.h"
 
 #include <KActionCollection>
 #include <KLocalizedString>
 #include <KMessageBox>
 #include <QAction>
 #include <QClipboard>
 #include <QDebug>
 
 KanjiBrowserView::KanjiBrowserView(QWidget *parent)
     : QWidget(parent)
     , _currentKanji(0)
 {
     setupUi(this);
     loadSettings();
 }
 
 KanjiBrowserView::~KanjiBrowserView()
 {
 }
 
 void KanjiBrowserView::changeGrade(const int grade)
 {
     _currentGradeList.clear();
 
     // Indexes of items in the ComboBox:
     //   All Jouyou Kanji Grades: 0
     //   Grade 1: 1
     //   Grade 2: 2
     //   .
     //   .
     //   .
     //   Not in Jouyou list: ComboBox->count() - 1
 
     if (grade == AllJouyouGrades) {
         // Add the all the grades found in our list.
         foreach (const int grd, _gradeList) {
             _currentGradeList << grd;
         }
     }
     // Here the user selected "Not in Jouyou list".
     else if (grade == (_grades->count() - 1)) {
         // Only show the kanji with grade 0 (not in Jouyou).
         _currentGradeList << 0;
     }
     // It seems KANJIDIC doesn't have a G7 (grade 7) kanji.
     // If the user selects G8 or above, we need to add 1 to the grade
     // because the index (from the ComboBox) and the grade will be different.
     else if (grade >= Grade7) {
         _currentGradeList << (grade + 1);
     }
     // Show the kanji with the selected grade.
     else {
         _currentGradeList << grade;
     }
 
     // Reload our QListWidget widget.
     reloadKanjiList();
 }
 
 void KanjiBrowserView::changeStrokeCount(const int strokes)
 {
     _currentStrokesList.clear();
 
     // Indexes of items in the ComboBox:
     //   No stroke limit: 0
     //   1 stroke: 1
     //   2 strokes: 2
     //   .
     //   .
     //   .
 
     // We don't need to filter any kanji by stroke number.
     if (strokes == NoStrokeLimit) {
         // Add all the strokes found to our the list.
         foreach (const int stroke, _strokesList) {
             _currentStrokesList << stroke;
         }
     }
     // Show the kanji with the selected number of strokes.
     else {
         _currentStrokesList << strokes;
     }
 
     // Reload our QListWidget widget.
     reloadKanjiList();
 }
 
 void KanjiBrowserView::changeToInfoPage()
 {
     _stackedWidget->setCurrentIndex(Info);
 }
 
 void KanjiBrowserView::changeToListPage()
 {
     _stackedWidget->setCurrentIndex(List);
 }
 
 QString KanjiBrowserView::convertToCSS(const QFont &font)
 {
     QString weight;
     switch (font.weight()) {
     case QFont::Light:
         weight = QStringLiteral("lighter");
         break;
     case QFont::Normal:
         weight = QStringLiteral("normal");
         break;
     case QFont::Bold:
         weight = QStringLiteral("bold");
         break;
     }
 
     QString style;
     switch (font.style()) {
     case QFont::StyleNormal:
         style = QStringLiteral("normal");
         break;
     case QFont::StyleItalic:
         style = QStringLiteral("italic");
         break;
     case QFont::StyleOblique:
         style = QStringLiteral("oblique");
         break;
     }
 
     return QString(
                "font-family:\"%1\";"
                "font-size:%2px;"
                "font-weight:%3;"
                "font-style:%4;")
         .arg(font.family())
         .arg(font.pointSizeF())
         .arg(weight)
         .arg(style);
 }
 
 void KanjiBrowserView::loadSettings()
 {
     _kanjiList->setFont(KanjiBrowserConfigSkeleton::self()->kanjiListFont());
     _kanjiSize = KanjiBrowserConfigSkeleton::self()->kanjiSize();
     _kanaFont = KanjiBrowserConfigSkeleton::self()->kanaFont();
     _labelFont = KanjiBrowserConfigSkeleton::self()->labelFont();
 
     // Reload the Kanji Information page with the new font changes.
     if (_currentKanji != nullptr) {
         showKanjiInformation(_currentKanji);
     }
 }
 
 void KanjiBrowserView::reloadKanjiList()
 {
     // Grade and strokes lists have the information of
     // which kanji we are going to filter.
     // We just iterate on them to actually do the filtering.
     QStringList list;
     foreach (const int strokes, _currentStrokesList) {
         foreach (const int grade, _currentGradeList) {
             list.append(_kanji.keys(qMakePair(grade, strokes)));
         }
     }
 
     _kanjiList->clear();
     _kanjiList->addItems(list);
 
     // Update our status bar with the number of kanji filtered.
     statusBarChanged(i18np("%1 kanji found", "%1 kanji found", _kanjiList->count()));
 }
 
 void KanjiBrowserView::searchKanji(QListWidgetItem *item)
 {
     if (_currentKanji != nullptr && item->text() == _currentKanji->getWord()) {
         return;
     }
 
     _goToKanjiInfo->setText(i18n("About %1", item->text()));
     _copyToClipboard->setText(i18n("Copy %1 to clipboard", item->text()));
     _copyToClipboard->setVisible(true);
 
     Entry *result = _parent->_dictFileKanjidic->doSearch(DictQuery(item->text()))->first();
     EntryKanjidic *kanji = static_cast<EntryKanjidic *>(result);
     _currentKanji = kanji;
 
     showKanjiInformation(kanji);
 }
 
 void KanjiBrowserView::setupView(KanjiBrowser *parent, const QHash<QString, QPair<int, int>> &kanji, QList<int> &kanjiGrades, QList<int> &strokeCount)
 {
     if (kanji.isEmpty() || kanjiGrades.isEmpty() || strokeCount.isEmpty()) {
         qDebug() << "One or more of our lists are empty (kanji, grades, strokes).";
         qDebug() << "Could not load the view properly.";
         KMessageBox::error(this, i18n("Could not load the necessary kanji information."));
         return;
     }
 
     _parent = parent;
     _kanji = kanji;
     _gradeList = kanjiGrades;
     _strokesList = strokeCount;
 
     QAction *goToKanjiList = _parent->actionCollection()->addAction(QStringLiteral("kanji_list"));
     goToKanjiList->setText(i18n("Kanji &List"));
 
     _goToKanjiInfo = _parent->actionCollection()->addAction(QStringLiteral("kanji_info"));
     _goToKanjiInfo->setText(i18n("Kanji &Information"));
 
     _copyToClipboard = _parent->actionCollection()->addAction(QStringLiteral("copy_kanji_to_clipboard"));
     _copyToClipboard->setVisible(false);
 
     _grades->addItem(i18n("All Jouyou Kanji grades"));
     foreach (const int &grade, kanjiGrades) {
         // Grades 9 and above are considered Jinmeiyou.
         if (grade >= Jinmeiyou) {
             _grades->addItem(i18n("Grade %1 (Jinmeiyou)", grade));
         } else {
             _grades->addItem(i18n("Grade %1", grade));
         }
     }
     _grades->addItem(i18n("Not in Jouyou list"));
 
     _strokes->addItem(i18n("No stroke limit"));
     foreach (const int &stroke, strokeCount) {
         _strokes->addItem(i18np("%1 stroke", "%1 strokes", stroke));
     }
 
     connect(_grades, static_cast<void (KComboBox::*)(int)>(&KComboBox::currentIndexChanged), this, &KanjiBrowserView::changeGrade);
     connect(_strokes, static_cast<void (KComboBox::*)(int)>(&KComboBox::currentIndexChanged), this, &KanjiBrowserView::changeStrokeCount);
     connect(_kanjiList, &QListWidget::itemClicked, this, &KanjiBrowserView::searchKanji);
     connect(_kanjiList, &QListWidget::itemClicked, _goToKanjiInfo, &QAction::triggered);
     connect(goToKanjiList, &QAction::triggered, this, &KanjiBrowserView::changeToListPage);
     connect(_goToKanjiInfo, &QAction::triggered, this, &KanjiBrowserView::changeToInfoPage);
     connect(_copyToClipboard, &QAction::triggered, this, &KanjiBrowserView::toClipboard);
 
     // Set the current grade (Grade 1).
     _grades->setCurrentIndex(1);
     // Set the current number of strokes (No stroke limit).
     // NOTE: we change from '1 stroke' to 'No stroke limit'
     // to let the ComboBox notice the change and do the filter.
     _strokes->setCurrentIndex(1);
     _strokes->setCurrentIndex(NoStrokeLimit);
 
     qDebug() << "Initial setup succeeded!";
 }
 
 void KanjiBrowserView::showKanjiInformation(const EntryKanjidic *kanji)
 {
     // This font is shipped with Kiten and should not be changed as it shows
     // the stroke order of a kanji.
     QFont kanjiFont(QStringLiteral("KanjiStrokeOrders"));
     kanjiFont.setPointSizeF(_kanjiSize.toReal());
 
     QString text;
     text.append("<html><body><style>");
     text.append(QStringLiteral(".kanji { %1 }").arg(convertToCSS(kanjiFont)));
     text.append(QStringLiteral(".label { %1 }").arg(convertToCSS(_labelFont)));
     text.append(QStringLiteral(".kana  { %1 }").arg(convertToCSS(_kanaFont)));
     text.append("</style>");
 
     // Put the kanji.
     text.append(QStringLiteral("<table><tr><td><p class=\"kanji\">%1</p></td>").arg(kanji->getWord()));
 
     // Now the kanji grades and number of strokes.
     text.append("<td>");
     if (!kanji->getKanjiGrade().isEmpty()) {
         text.append(QStringLiteral("<p class=\"label\">%1 %2</p></br>").arg(i18n("Grade:")).arg(kanji->getKanjiGrade()));
     }
     text.append(QStringLiteral("<p class=\"label\">%1 %2</p></td></tr></table>").arg(i18n("Strokes:")).arg(kanji->getStrokesCount()));
 
     // Onyomi readings.
     if (!kanji->getOnyomiReadingsList().isEmpty()) {
         text.append(QString("<p class=\"label\">%1"
                             "<span class=\"kana\">%2</span></p></br>")
                         .arg(i18n("Onyomi: "))
                         .arg(kanji->getOnyomiReadings()));
     }
 
     // Kunyomi readings.
     if (!kanji->getKunyomiReadingsList().isEmpty()) {
         text.append(QString("<p class=\"label\">%1"
                             "<span class=\"kana\">%2</span></p></br>")
                         .arg(i18n("Kunyomi: "))
                         .arg(kanji->getKunyomiReadings()));
     }
 
     // Special readings used in names.
     if (!kanji->getInNamesReadingsList().isEmpty()) {
         text.append(QString("<p class=\"label\">%1"
                             "<span class=\"kana\">%2</span></p></br>")
                         .arg(i18n("In names: "))
                         .arg(kanji->getInNamesReadings()));
     }
 
     // Reading used as radical.
     if (!kanji->getAsRadicalReadingsList().isEmpty()) {
         text.append(QString("<p class=\"label\">%1"
                             "<span class=\"kana\">%2</span></p></br>")
                         .arg(i18n("As radical: "))
                         .arg(kanji->getAsRadicalReadings()));
     }
 
     // Meanings
     text.append("<p class=\"label\">");
     if (kanji->getMeaningsList().count() == 1) {
         text.append(i18n("Meaning: "));
     } else {
         text.append(i18n("Meanings: "));
     }
     text.append(QStringLiteral("<span class=\"kana\">%1</span></p>").arg(kanji->getMeanings()));
 
     // Close remaining tags and set the HTML text.
     text.append("</body></html>");
     _kanjiInformation->setHtml(text);
 }
 
 void KanjiBrowserView::toClipboard()
 {
     QClipboard *cb = QApplication::clipboard();
     cb->setText(_currentKanji->getWord(), QClipboard::Clipboard);
     cb->setText(_currentKanji->getWord(), QClipboard::Selection);
 }