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72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
#ifndef COMPLETERMODEL_H
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#define COMPLETERMODEL_H
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#include <QAbstractItemModel>
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#include <QIcon>
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class CompleterModel;
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class CompleterItem {
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public:
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CompleterItem():m_parent(0), m_model(0){}
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CompleterItem(QString text, QIcon icon):m_parent(0), m_text(text), m_icon(icon), m_model(0){}
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~CompleterItem();
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int rowCount() const {return m_children.count();}
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CompleterItem* child(int row) const {return m_children.at(row).data();}
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CompleterItem* parent() const {return m_parent;}
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int row() const{
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if (m_parent){
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for(int i=0; i < m_parent->m_children.count(); ++i){
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CompleterItem* c = m_parent->m_children.at(i).data();
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if (c == this) return i;
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}
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}
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return -1;
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}
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QString text(){return m_text;}
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QIcon icon() {return m_icon;}
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void setIcon(const QIcon &newIcon);
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void setText(const QString &newText);
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void setModel(CompleterModel* model){m_model=model;}
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void clear(){m_children.clear();}
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void appendRow(CompleterItem* child);
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void appendRows(const QList<CompleterItem *> &children);
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private:
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CompleterItem* m_parent;
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QVector<QSharedPointer<CompleterItem> > m_children;
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QString m_text;
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QIcon m_icon;
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CompleterModel* m_model;
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};
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class CompleterModel : public QAbstractItemModel
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{
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friend CompleterItem;
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public:
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explicit CompleterModel(QObject *parent = nullptr);
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// QAbstractItemModel interface
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public:
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QModelIndex index(int row, int column, const QModelIndex &parent) const;
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QModelIndex parent(const QModelIndex &child) const;
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int rowCount(const QModelIndex &parent) const;
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int columnCount(const QModelIndex &parent) const;
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QVariant data(const QModelIndex &index, int role) const;
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CompleterItem* invisibleRootItem(){return &m_root;}
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QList<CompleterItem*> findItems(const QString &text,
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Qt::MatchFlags flags = Qt::MatchExactly,
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int column = 0) const;
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void clear();
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private:
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CompleterItem *itemFromIndex(const QModelIndex index) const;
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QModelIndex indexFromItem(CompleterItem *item) const;
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private:
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CompleterItem m_root;
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public:
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};
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#endif // COMPLETERMODEL_H
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