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https://github.com/YACReader/yacreader
synced 2025-07-17 20:44:32 -04:00
Headless server: simplify system config logger
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127
YACReaderLibrary/yacreader_comics_selection_helper.cpp
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127
YACReaderLibrary/yacreader_comics_selection_helper.cpp
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#include "yacreader_comics_selection_helper.h"
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#include "comic_model.h"
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YACReaderComicsSelectionHelper::YACReaderComicsSelectionHelper(QObject *parent) : QObject(parent), _selectionModel(nullptr)
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{
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}
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void YACReaderComicsSelectionHelper::setModel(ComicModel *model)
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{
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if(model == NULL)
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return;
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this->model = model;
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if(_selectionModel != nullptr)
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delete _selectionModel;
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_selectionModel = new QItemSelectionModel(model);
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}
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void YACReaderComicsSelectionHelper::selectIndex(int index)
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{
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if(_selectionModel != nullptr && model!=NULL)
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{
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_selectionModel->select(model->index(index,0),QItemSelectionModel::Select | QItemSelectionModel::Rows);
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emit selectionChanged();
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}
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}
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void YACReaderComicsSelectionHelper::deselectIndex(int index)
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{
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if(_selectionModel != nullptr && model!=NULL)
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{
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_selectionModel->select(model->index(index,0),QItemSelectionModel::Deselect | QItemSelectionModel::Rows);
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emit selectionChanged();
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}
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}
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bool YACReaderComicsSelectionHelper::isSelectedIndex(int index) const
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{
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if(_selectionModel != nullptr && model!=NULL)
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{
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QModelIndex mi = model->index(index,0);
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return _selectionModel->isSelected(mi);
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}
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return false;
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}
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void YACReaderComicsSelectionHelper::clear()
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{
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if(_selectionModel != nullptr)
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{
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_selectionModel->clear();
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emit selectionChanged();
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}
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}
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QModelIndex YACReaderComicsSelectionHelper::currentIndex()
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{
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if(!_selectionModel)
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return QModelIndex();
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QModelIndexList indexes = _selectionModel->selectedRows();
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if(indexes.length()>0)
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return indexes[0];
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this->selectIndex(0);
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indexes = _selectionModel->selectedRows();
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if(indexes.length()>0)
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return indexes[0];
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else
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return QModelIndex();
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}
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void YACReaderComicsSelectionHelper::selectAll()
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{
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QModelIndex top = model->index(0, 0);
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QModelIndex bottom = model->index(model->rowCount()-1, 0);
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QItemSelection selection(top, bottom);
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_selectionModel->select(selection, QItemSelectionModel::Select | QItemSelectionModel::Rows);
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emit selectionChanged();
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}
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QModelIndexList YACReaderComicsSelectionHelper::selectedRows(int column) const
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{
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return _selectionModel->selectedRows(column);
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}
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QList<QModelIndex> YACReaderComicsSelectionHelper::selectedIndexes() const
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{
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return _selectionModel->selectedIndexes();
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}
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int YACReaderComicsSelectionHelper::numItemsSelected() const
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{
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if(_selectionModel != nullptr)
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{
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return _selectionModel->selectedRows().length();
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}
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return 0;
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}
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int YACReaderComicsSelectionHelper::lastSelectedIndex() const
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{
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if(_selectionModel != nullptr)
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{
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return _selectionModel->selectedRows().last().row();
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}
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return -1;
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}
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QItemSelectionModel *YACReaderComicsSelectionHelper::selectionModel()
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{
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QModelIndexList indexes = _selectionModel->selectedRows();
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if(indexes.length()==0)
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this->selectIndex(0);
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return _selectionModel;
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}
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