How to use listview onAdd signal ?

wshn14

I assign a model to a listview ,then the listview will add some items according to the delegate .But I can't connect the listview onAdd signal .
The code below :
@import Qt 4.7

ListView
{
id: listView
width:200
height:800

ListModel
{
id:listmodel
ListElement
{
text:'text1'
}
ListElement
{
text:'text2'
}
}

delegate:Rectangle
{
width:parent.width
height:64

Text
{
text:model.text
}
}

onAdd:
{
console.log('on add sig')
}
model:listmodel
}@

use qmlviewer to run it ,but it comes a error . I want two 'on add sig ' output ,but nothing .So how to do ?

p3c0

Hi,

You need to move the signal onAdd into the delegate. Also as per "this":https://bugreports.qt-project.org/browse/QTBUG-29384 bug report i modified your code as follows and the signal gets fired
@
import QtQuick 2.0

ListView
{
id: listView
width:200
height:800

ListModel
{
    id:listmodel
    ListElement{
        text:'text1'
    }
    ListElement{
        text:'text2'
    }
}

delegate: Rectangle {
    Text { text:model.text }

    ListView.onAdd: {
        console.log("ad")
    }
}

model:listmodel

MouseArea {
    anchors.fill: parent
    onClicked: {
            model.append({text: "Click"});
    }
}

}

@

wshn14

thanks but still no message output
[quote author="p3c0" date="1382354266"]Hi,

You need to move the signal onAdd into the delegate. Also as per "this":https://bugreports.qt-project.org/browse/QTBUG-29384 bug report i modified your code as follows and the signal gets fired
@
import QtQuick 2.0

ListView
{
id: listView
width:200
height:800

ListModel
{
    id:listmodel
    ListElement{
        text:'text1'
    }
    ListElement{
        text:'text2'
    }
}

delegate: Rectangle {
    Text { text:model.text }

    ListView.onAdd: {
        console.log("ad")
    }
}

model:listmodel

MouseArea {
    anchors.fill: parent
    onClicked: {
            model.append({text: "Click"});
    }
}

}

@[/quote]

[quote author="p3c0" date="1382354266"]Hi,

You need to move the signal onAdd into the delegate. Also as per "this":https://bugreports.qt-project.org/browse/QTBUG-29384 bug report i modified your code as follows and the signal gets fired
@
import QtQuick 2.0

ListView
{
id: listView
width:200
height:800

ListModel
{
    id:listmodel
    ListElement{
        text:'text1'
    }
    ListElement{
        text:'text2'
    }
}

delegate: Rectangle {
    Text { text:model.text }

    ListView.onAdd: {
        console.log("ad")
    }
}

model:listmodel

MouseArea {
    anchors.fill: parent
    onClicked: {
            model.append({text: "Click"});
    }
}

}

@[/quote]

p3c0

Hi,

It works for me. Did you get any errors ?
Did you click on the list ? As i have added that message when one click's on the List.
@
MouseArea {
anchors.fill: parent
onClicked: {
model.append({text: "Click"});
}
}
@

And message is here in
@
ListView.onAdd: {
console.log("ad")
}
@

wshn14

I think the message 'ad' should output even if I don't click ,because the connected signal is onAdd but not onClick ,is that right?
[quote author="p3c0" date="1382356560"]Hi,

It works for me. Did you get any errors ?
Did you click on the list ? As i have added that message when one click's on the List.
@
MouseArea {
anchors.fill: parent
onClicked: {
model.append({text: "Click"});
}
}
@

And message is here in
@
ListView.onAdd: {
console.log("ad")
}
@[/quote]

Ever

Try to add x property to delegate so you can see better:

@delegate: Rectangle {
x: model.index * 50

    Text { text:model.text }

    ListView.onAdd: {
        console.log("ad")
    }
}@

wshn14

still not 'ad' output
[quote author="Ever" date="1382423093"]Try to add x property to delegate so you can see better:

@delegate: Rectangle {
x: model.index * 50

    Text { text:model.text }

    ListView.onAdd: {
        console.log("ad")
    }
}@[/quote]