QML How to sort a tableView just by clicking on the header of the column

ENSAO_CHEIKH

0

so in my project I'm using a tableview which has model: tableModel fopm Qt.labs.qmlmodels 1.0; so I want sort it using some methods , I find the class QAbsructProxyModel , I dont know if I used it well but I found problems on filtring and sorting here is below my code, thanks in advance` neeed help please```

import QtQuick 2.15
import QtQuick.Window 2.12
import Qt.labs.qmlmodels 1.0
import QtQuick.Controls 2.15
import QtQml.Models 2.15

import org.qtproject.example 1.0

ApplicationWindow {
width: 1000
height: 400
visible: true

 header: ToolBar {
    TextField {
        id: searchBox


        placeholderText: "Search..."
        inputMethodHints: Qt.ImhNoPredictiveText

        //width: window.width / 5 * 2
        anchors.right: parent.right
        anchors.verticalCenter: parent.verticalCenter
    }
}



TableView {
    id:tableView
    anchors.fill: parent
    //sortIndicatorVisible: true

    //anchors.topMargin: 30
    columnSpacing: 1
    rowSpacing: 3
    anchors.topMargin:30
    //boundsBehavior: Flickable.StopAtBounds



    model:SortFilterProxyModel {
        id: proxyModel
        source: sourceModel.rowCount> 0 ? sourceModel : null
        onSourceChanged: console.log(source+" source")

        sortOrder: Qt.AscendingOrder//tableView.sortIndicatorOrder

        sortCaseSensitivity: Qt.CaseInsensitive
        sortRole: sourceModel.rowCount > 0 ? " nomdetrame": ""
        onSortRoleChanged: console.log(" role")
        filterString: "*" + searchBox.text + "*"
        //onFilterStringChanged: console.log(filterString)
        filterSyntax: SortFilterProxyModel.Wildcard
        filterCaseSensitivity: Qt.CaseInsensitive
    }

        TableModel {
        id:sourceModel


        TableModelColumn{ display: " teta"}
        TableModelColumn { display: "visibilite" }
        TableModelColumn { display: "couleur" }
        TableModelColumn{ display: "chaine_can"}
        TableModelColumn{ display: "nomdetrame" }
        TableModelColumn{ display: "nondusignal"}
        TableModelColumn { display: "valeurDec" }
        TableModelColumn { display: "valeurHex" }
        TableModelColumn { display: "TxouRx" }


        // Each row is one type of fruit that can be ordered
        rows: [
            {
                // Each property is one cell/column.
                teta:"+",
                visibilite: false,
                couleur: "red",
                chaine_can: "CAN 4",
                nomdetrame: "rRX",
                nondusignal: "1.50",
                valeurDec: "CAN 4",
                valeurHex: "rRX",
                TxouRx: "Tx"
            },
            {   teta:"+",
                visibilite: false,
                couleur: "grey",
                chaine_can: "CAN 1",
                nomdetrame: "rRX",
                nondusignal: "1.5",
                valeurDec: "CAN 4",
                valeurHex: "rRX",
                TxouRx: "Rx"
            },
            {   teta:"+",
                visibilite: true,
                couleur: "black",
                chaine_can: "CAN 2",
                nomdetrame: "rRX",
                nondusignal: "1",
                valeurDec: "CAN 4",
                valeurHex: "RXE",
                TxouRx: "Tx"
            }
        ]



    }





    delegate:  DelegateChooser {

        DelegateChoice{
            column: 0
            //width: 100
        delegate:Button{
                id:teta
                text:"+"
                //anchors.fill: parent
                onClicked:{tableView.sourceModel.appendRow({
                                               // Each property is one cell/column.
                                               teta:"+",
                                               visibilite: false,
                                               couleur: "red",
                                               chaine_can: "CAN 4",
                                               nomdetrame: "rRX",
                                               nondusignal: "1.50",
                                               valeurDec: "CAN 4",
                                               valeurHex: "rRX",
                                               TxouRx: "Tx"
                                           }
                                           )}

            }
            //z: -1
        }

        DelegateChoice{
            column: 1
        delegate:Rectangle{
            border.color: "black"
            implicitWidth: 80
            CheckBox{
            //anchors.fill: parent
                anchors.centerIn: parent
            checked: model.display


        }
    }
        }
        DelegateChoice{
            column: 2
        delegate:Rectangle {
            implicitWidth: 80
            //anchors.fill: parent
             border.color: "black"
            color: model.display
            //z: -1
        }
    }
        DelegateChoice{
            column: 3
        delegate:Rectangle{
            border.color:"black"
            implicitWidth: 80

            Button{
                anchors.fill: parent
                onClicked: console.log(currentIndex)

// TextInput {
// //textRole: "display"
// anchors.fill: parent
// text:model.display
// //z: -1
// }
}

    }
        }
        DelegateChoice{
            column: 4
       delegate:Rectangle{
           border.color: "black"
           implicitWidth: 80
           TextInput {
            //anchors.fill: parent
               anchors.centerIn: parent
            text:model.display
            //z: -1
        }
    }
        }
        DelegateChoice{
            column: 5
        delegate:Rectangle{
            border.color: "black"
            implicitWidth: 80
            TextInput {
            //anchors.fill: parent
                anchors.centerIn: parent
            text:model.display
            //z: -1
        }
    }
        }
        DelegateChoice{
            column: 6
        delegate:Rectangle{
            implicitWidth: 80
            border.color: "black"
            TextInput {

// anchors.fill: parent
anchors.centerIn: parent
text:model.display
//z: -1
}
}
}
DelegateChoice{
column: 7
delegate:Rectangle{
implicitWidth: 80
border.color: "black"

            TextInput {
            //anchors.fill: parent
                anchors.centerIn: parent
            text:model.display
            //z: -1
        }
    }
        }
        DelegateChoice{
            column: 8
        delegate:Rectangle{
            implicitWidth: 80
            border.color: "black"
            TextInput {
            //anchors.fill: parent
                anchors.centerIn: parent
            text:model.display

            //z: -1
        }
        }
    }


}
    Component.onCompleted: {
        console.log(searchBox.text)
        //console.log(tableView.model.getRow(0).couleur)}

}
}
HorizontalHeaderView{
id:headerView
anchors.left: tableView.left
syncView: tableView
model:[" ","Visible","Couleur","Chaine_Can","NomTrame","NomSignal","ValeurDec","ValeurHex","TX/RX"]

    MouseArea{
        id:ms
        anchors.fill: parent
        hoverEnabled: true


    }

}

}

c++

include "sortfilterproxymodel.h"
#include <QtDebug>
#include <QtQml>

SortFilterProxyModel::SortFilterProxyModel(QObject *parent) : QSortFilterProxyModel(parent), m_complete(false)
{
    connect(this, &QSortFilterProxyModel::rowsInserted, this, &SortFilterProxyModel::countChanged);
    connect(this, &QSortFilterProxyModel::rowsRemoved, this, &SortFilterProxyModel::countChanged);
    qDebug()<<"je suis entré chez moi";
}

int SortFilterProxyModel::count() const
{
    return rowCount();
}

QObject *SortFilterProxyModel::source() const
{
    return sourceModel();
}

void SortFilterProxyModel::setSource(QObject *source)
{
    setSourceModel(qobject_cast<QAbstractItemModel *>(source));
    emit sourceChanged();
}

QByteArray SortFilterProxyModel::sortRole() const
{
    return m_sortRole;
}

void SortFilterProxyModel::setSortRole(const QByteArray &role)
{
    if (m_sortRole != role) {
        m_sortRole = role;
        if (m_complete)
            QSortFilterProxyModel::setSortRole(roleKey(role));
    }
}

void SortFilterProxyModel::setSortOrder(Qt::SortOrder order)
{
    QSortFilterProxyModel::sort(0, order);
}

QByteArray SortFilterProxyModel::filterRole() const
{
    return m_filterRole;
}

void SortFilterProxyModel::setFilterRole(const QByteArray &role)
{
    if (m_filterRole != role) {
        m_filterRole = role;
        if (m_complete)
            QSortFilterProxyModel::setFilterRole(roleKey(role));
    }
}

QString SortFilterProxyModel::filterString() const
{
    return filterRegExp().pattern();
}

void SortFilterProxyModel::setFilterString(const QString &filter)
{

    setFilterRegExp(QRegExp(filter, filterCaseSensitivity(), static_cast<QRegExp::PatternSyntax>(filterSyntax())));
    emit filterStringChanged();
}


SortFilterProxyModel::FilterSyntax SortFilterProxyModel::filterSyntax() const
{
    return static_cast<FilterSyntax>(filterRegExp().patternSyntax());
}

void SortFilterProxyModel::setFilterSyntax(SortFilterProxyModel::FilterSyntax syntax)
{
    setFilterRegExp(QRegExp(filterString(), filterCaseSensitivity(), static_cast<QRegExp::PatternSyntax>(syntax)));
}

QJSValue SortFilterProxyModel::get(int idx) const
{
    QJSEngine *engine = qmlEngine(this);
    QJSValue value = engine->newObject();
    if (idx >= 0 && idx < count()) {
        QHash<int, QByteArray> roles = roleNames();
        for (auto it = roles.cbegin(), end = roles.cend(); it != end; ++it)
            value.setProperty(QString::fromUtf8(it.value()), data(index(idx, 0), it.key()).toString());
    }
    return value;
}

void SortFilterProxyModel::classBegin()
{
}

void SortFilterProxyModel::componentComplete()
{
    m_complete = true;

    if (!m_sortRole.isEmpty())
        QSortFilterProxyModel::setSortRole(roleKey(m_sortRole));

    if (!m_filterRole.isEmpty())
        QSortFilterProxyModel::setFilterRole(roleKey(m_filterRole));

}

int SortFilterProxyModel::roleKey(const QByteArray &role) const
{
    return roleNames().key(role, -1);

}

QHash<int, QByteArray> SortFilterProxyModel::roleNames() const
{
    qDebug()<<"RoleNames";
    if (QAbstractItemModel *source = sourceModel()){
        qDebug()<<"RoleNames";
        //qDebug()<< source->roleNames();
                    //qDebug()<<roleNames().key(0)<< " keys";
        return source->roleNames();}
    return QHash<int, QByteArray>();
}

bool SortFilterProxyModel::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
{
    QRegExp rx = filterRegExp();
    if (rx.isEmpty())
        return true;
    QAbstractItemModel *model = sourceModel();
    if (filterRole().isEmpty()) {
        QHash<int, QByteArray> roles = roleNames();
        for (auto it = roles.cbegin(), end = roles.cend(); it != end; ++it) {
            QModelIndex sourceIndex = model->index(sourceRow, 0, sourceParent);
            QString key = model->data(sourceIndex, it.key()).toString();
            if (key.contains(rx))
                return true;
        }
        return false;
    }
    QModelIndex sourceIndex = model->index(sourceRow, 0, sourceParent);
    if (!sourceIndex.isValid())
        return true;
    QString key = model->data(sourceIndex, roleKey(filterRole())).toString();
    qDebug()<<rx;
    return key.contains(rx);
}

ENSAO_CHEIKH

Pleeeease neeed help

Mammamia

@ENSAO_CHEIKH Have a look at this example.
https://github.com/albertino80/bppgrid

I hope this will help you.

Dmytro K

This is really good! Thank you!

Forum Updated on Feb 6th

Unsolved QML How to sort a tableView just by clicking on the header of the column