Riempire un ListView da un JSON complesso

[marco_88]

Hi

I have version 5.12.5 and when I try to put the code that you showed me with TableView, from error in the part of the TableModel, which I read that was introduced by version 5.14. I will try to find an example with TreeView.

Instead regarding the other solution keeping ListView, and changing the last part, it just didn't work.

In that code both the color and the width that I got from the model were missing, adding this information however did not work.

Thanks anyway for now.

[MEMekaniske]

Hmm.. that I cannot understand..

If you want to, try this one out, just copy to a new qml file and run it.. here i've just created a list based on yours and added anchors to the rectangles no master rect etc..

Works very well for me..

Hope you get treeview or this working :) have a good day

import QtQuick 2.1
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.0

ListView{
    model: model
    delegate: myRectComp;
    width: parent.width
    height: parent.height
    spacing: 2 // 'b' space between elements
    //orientation:  Qt.Horizontal

    
    Component {
        id: myRectComp;
        ColumnLayout {
                Rectangle {
                    id:imLeft
                    color: myColor;
                    Text {
                        anchors.centerIn: parent
                        color: 'black'
                        text: myTemp
                        font.pixelSize: 12
                        font.bold: true
                    }
                    width: myWidth;
                    height: 50;
                }
                Rectangle {
                    anchors.left:imLeft.right
                    anchors.top:imLeft.top
                    color: '#000';
                    Text {
                        color: 'white'
                        text: myTime
                        font.pixelSize: 10
                        font.bold: true
                    }
                    width: myWidth;
                    height: 10;
                }
            }
    
    }
    Component {
        id: sectionHeading
        Rectangle {
            width: window.width
            height: childrenRect.height
            color: "#000"
    
            Text {
                text: section
                font.bold: true
                color: 'white'
                font.pixelSize: 12
            }
        }
    }
    ListModel {
        id:model
        ListElement { myColor: "red"; myWidth: 100; myTime: "120"; myTemp:"1" }
        ListElement { myColor: "red"; myWidth: 100; myTime: "121"; myTemp:"1" }
        ListElement { myColor: "red"; myWidth: 100; myTime: "121"; myTemp:"1" }
    }
}           

[marco_88]

Your code does not work, that is, it puts the time on a line with a colored rectangle, but it is not my purpose.

In the image there is monday and below there are 5 squares where each is aligned with the time one below the other.

My goal is to align all the colored squares next to each other, the ones that are under the day.

I'll show you how it should be.

Thank you

[MEMekaniske]

@marco_88

Aha, I understand.

For me, it was then just to remove the anchors from the last example I sent, then adding orientation: ListView.Horizontal on the listview.

import QtQuick 2.1
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.0

ListView{
    model: model
    delegate: myRectComp;
    width: 500 //(had to do this because of where i tested it..)
    height: parent.height
    orientation: ListView.Horizontal //added this
    clip:false
    spacing: 2 // 'b' space between elements
    //orientation:  Qt.Horizontal


    Component {
        id: myRectComp;
        ColumnLayout {
            Rectangle {
                color: '#000';
                Text {
                    color: 'white'
                    text: myTime
                    font.pixelSize: 10
                    font.bold: true
                }
                width: myWidth;
                height: 10;
            }
                Rectangle {
                    id:imLeft
                    color: myColor;
                    Text {
                        anchors.centerIn: parent
                        color: 'black'
                        text: myTemp
                        font.pixelSize: 12
                        font.bold: true
                    }
                    width: myWidth;
                    height: 50;
                }
            }

    }
    Component {
        id: sectionHeading
        Rectangle {
            width: window.width
            height: childrenRect.height
            color: "#000"

            Text {
                text: section
                font.bold: true
                color: 'white'
                font.pixelSize: 12
            }
        }
    }
    ListModel {
        id:model
        ListElement { myColor: "red"; myWidth: 100; myTime: "120"; myTemp:"1" }
        ListElement { myColor: "red"; myWidth: 150; myTime: "121"; myTemp:"1" }
        ListElement { myColor: "red"; myWidth: 100; myTime: "121"; myTemp:"1" }
    }
}

[marco_88]

I had already done this test, I have the same orientation effect: Qt.Horizontal.

In practice I have a single row arranged on a horizontal scrolling.

Instead I need the lines of every day arranged vertically, but the lines serve me arranged horizontally.

Let's say that the lines now look good, but they must be arranged vertically.

I hope I have been clear.

Try it with multiple lines, because your example apparently works because you tried only one line. Give an example like mine: use 7 days, and every day must have those rectangles arranged horizontally.

Thank you

[marco_88]

I write here model that I have for example:

ListModel {
        id:model
        ListElement { weekday: "monday"; myColor: "red"; myWidth: 216.6; myTime: "0:00"; myTemp:"29" }
        ListElement { weekday: "monday"; myColor: "red"; myWidth: 66.66; myTime: "6:30"; myTemp:"26" }
        ListElement { weekday: "monday"; myColor: "red"; myWidth: 283.33; myTime: "8:30"; myTemp:"30" }
        ListElement { weekday: "monday"; myColor: "red"; myWidth: 166.66; myTime: "17:00"; myTemp:"26" }
        ListElement { weekday: "monday"; myColor: "red"; myWidth: 66.66; myTime: "22:00"; myTemp:"29" }
        ListElement { weekday: "tuesday"; myColor: "red"; myWidth: 216.6; myTime: "0:00"; myTemp:"29" }
        ListElement { weekday: "tuesday"; myColor: "red"; myWidth: 66.66; myTime: "6:30"; myTemp:"26" }
        ListElement { weekday: "tuesday"; myColor: "red"; myWidth: 283.33; myTime: "8:30"; myTemp:"30" }
        ListElement { weekday: "tuesday"; myColor: "red"; myWidth: 166.66; myTime: "17:00"; myTemp:"26" }
        ListElement { weekday: "tuesday"; myColor: "red"; myWidth: 66.66; myTime: "22:00"; myTemp:"29" }
        ....
        ListElement { weekday: "sunday"; myColor: "red"; myWidth: 283.26; myTime: "0:00"; myTemp:"29" }
        ListElement { weekday: "sunday"; myColor: "red"; myWidth: 450; myTime: "8:30"; myTemp:"26" }
        ListElement { weekday: "sunday"; myColor: "red"; myWidth: 66.66; myTime: "22:00"; myTemp:"30" }
    }

The Width of each of the rectangles must make 800 which is the width of the screen. But for testing this is irrelevant.

This is the model more or less, I need to arrange it as I showed in the previous photo.

Thank you

[MEMekaniske]

This is very hard to do with listview. As a listview inside another listview is very challenging.

But I will create a solution the way I would do it for this sort of project when i get back up again, if no one else has by then :)

[MEMekaniske]

Could not go to sleep just yet!
Here is a example I modified to fit your purpose a bit better than it was originally, with some creative thinking it should go ok to implement this? Basically you just have to parse the json days (after removing duplicates) into model1 then parse the rest of te data to model2

import QtQuick 2.1
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.0

Rectangle {
    width: 800
    height: 500

    ListModel {
        id: model1

        ListElement {
            name: "Monday"
        }
        ListElement {
            name: "Tuesday"
        }
        ListElement {
            name: "Wednsday"
        }
    }
    ListModel {
        id: model2
        ListElement {
            time: "00"
            temp: "23"
        }
        ListElement {
            time: "06"
            temp: "22"
        }
        ListElement {
            time: "08"
            temp: "24"
        }
    }

    Component {
        id: delegate2

        Item {
            width: 100
            height: col2.childrenRect.height

            Column {
                id: col2
                anchors.left: parent.left
                anchors.right: parent.right

                Text {

                    id: times
                    text: time
                }
                Text {
                    anchors.top:times.bottom
                    id: temps
                    text: temp
                }
            }
        }
    }

    ListView {
        width: 800
        id: outer
        model: model1
        delegate: listdelegate
        anchors.fill: parent
    }

    Component {
        id: listdelegate

        Item {
            width: 500
            height: col.childrenRect.height

            Column {
                id: col
                anchors.left: parent.left
                anchors.right: parent.right
                Text {
                    id: t1
                    text: name
                }
                ListView {
                    id: insidelist
                    model: model2
                    delegate: delegate2
                    contentHeight: contentItem.childrenRect.height
                    height: childrenRect.height
                    anchors.left: parent.left
                    anchors.right: parent.right
                    clip: false
                    orientation: ListView.Horizontal
                }
            }
        }
    }
}

[marco_88]

Hello

Of small improvements, however there are errors in the console:

QML Column: Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column. Column will not function.

Hoever I have the effect that every day I repeat the same line, which is the same effect that I had had some time ago doing everything differently.

Monday has data different from Tuesday, but Monday's data repeats them the same on all days. I have to distinguish the days in the model when I fill the second listview. How can I do?

And another thing. Every day has daily data from Monday to Sunday, which scrolls horizontally. I think the problem lies with how I build the model in the javascript part.

Thank you

Thank you

[MEMekaniske]

Morning :)

Yes column does not like that... which is why it's better to use treeview, or leave out the column.
Only thing then is to properly align the elements yourself with anchors etc.

Hmm, "And another thing. Every day has daily data from Monday to Sunday, which scrolls horizontally."
So you can scroll down from money to tuesday, and also scroll to the right to see tuesday too? or how do you mean?

The double list I sent last night is possible if you dynamicly add listmodels and id's. I have done this with 3D Objects, but not with listmodels, so not quite sure if it will work.

Another way is to use sub-list elements, but then again there is a need to do some changes to parsing, I think that this is the easiest way to achieve what you want without tableview etc

import QtQuick 2.14

Rectangle {
    width: 200; height: 200

    ListModel {
        id: daysModel

        ListElement {
            day: "monday"
            times: [
                ListElement { description: "00:00" },
                ListElement { description: "06:30" }
            ]
            temps: [
                ListElement { description: "17" },
                ListElement { description: "21" }
            ]
        }
        ListElement {
            day: "tuesday"
            times: [
                ListElement { description: "00:00" },
                ListElement { description: "06:30" }
            ]
            temps: [
                ListElement { description: "17" },
                ListElement { description: "21" }
            ]
        }
        ListElement {
            day: "wedsday"
            times: [
                ListElement { description: "00:00" },
                ListElement { description: "06:30" }
            ]
            temps: [
                ListElement { description: "17" },
                ListElement { description: "21" }
            ]
        }

        ListElement {
            day: "thursday"
            times: [
                ListElement { description: "00:00" },
                ListElement { description: "06:30" }
            ]
            temps: [
                ListElement { description: "17" },
                ListElement { description: "21" }
            ]
        }
        ListElement {
            day: "friday"
            times: [
                ListElement { description: "00:00" },
                ListElement { description: "06:30" }
            ]
            temps: [
                ListElement { description: "17" },
                ListElement { description: "21" }
            ]
        }
        ListElement {
            day: "saturday"
            times: [
                ListElement { description: "00:00" },
                ListElement { description: "06:30" }
            ]
            temps: [
                ListElement { description: "17" },
                ListElement { description: "21" }
            ]
        }
        ListElement {
            day: "sunday"
            times: [
                ListElement { description: "00:00" },
                ListElement { description: "06:30" }
            ]
            temps: [
                ListElement { description: "17" },
                ListElement { description: "21" }
            ]
        }
    }

    Component {
        id: daysDelegate
        Item {
            width: 200; height: 50
            Text { id: nameField; text: day }
            Row {
                id:firstRow
                anchors.top: nameField.bottom
                spacing: 5
                Text { text: "times:" }
                Repeater {
                    model: times
                    Text { text: description }
                }
            }
            Row {
                id:secondRow
                anchors.top: firstRow.bottom
                spacing: 5
                Text { text: "temps:" }
                Repeater {
                    model: temps
                    Text { text: description }
                }
            }
        }
    }

    ListView {
        id:listView
        anchors.fill: parent
        clip:true
        model: daysModel
        delegate: daysDelegate
    }

    Rectangle {
        anchors.top:listView.bottom
        height:20
        Text {
            id: name
            text: daysModel.get(0).times.get(1).description;
        }
    }

}

Here you just need to foreach all monday elements you have (for that one monday), and append the time to times and temp to temps.

[marco_88]

I found a solution on gui. With this model I can fillgui correctly:

ListModel {
                                        id: model

                                        ListElement {
                                            name: "monday"
                                            attributes: [
                                                ListElement {
                                                    myWidth: 216.6
                                                    myColor: "red"
                                                    myTemp: "29°"
                                                    myTime: "0:00"
                                                },
                                                ListElement {
                                                    myWidth: 66.66
                                                    myColor: "red"
                                                    myTemp: "26°"
                                                    myTime: "6:30"
                                                },
                                                ListElement {
                                                    myWidth: 283.33
                                                    myColor: "red"
                                                    myTemp: "30°"
                                                    myTime: "8:30"
                                                },
                                                ListElement {
                                                    myWidth: 166.66
                                                    myColor: "red"
                                                    myTemp: "26°"
                                                    myTime: "17:00"
                                                },
                                                ListElement {
                                                    myWidth: 66.66
                                                    myColor: "red"
                                                    myTemp: "29°"
                                                    myTime: "22:00"
                                                }
                                            ]
                                        }
                                        ListElement {
                                            name: "tuesday"
                                            attributes: [
                                                ListElement {
                                                    myWidth: 216.6
                                                    myColor: "red"
                                                    myTemp: "29°"
                                                    myTime: "0:00"
                                                },
                                                ListElement {
                                                    myWidth: 66.66
                                                    myColor: "red"
                                                    myTemp: "26°"
                                                    myTime: "6:30"
                                                },
                                                ListElement {
                                                    myWidth: 283.33
                                                    myColor: "red"
                                                    myTemp: "32°"
                                                    myTime: "8:30"
                                                },
                                                ListElement {
                                                    myWidth: 166.66
                                                    myColor: "red"
                                                    myTemp: "26°"
                                                    myTime: "17:00"
                                                },
                                                ListElement {
                                                    myWidth: 66.66
                                                    myColor: "red"
                                                    myTemp: "29°"
                                                    myTime: "22:00"
                                                }
                                            ]
                                        }
                                        ListElement {
                                            name: "wednsday"
                                            attributes: [
                                                ListElement {
                                                    myWidth: 216.6
                                                    myColor: "red"
                                                    myTemp: "29°"
                                                    myTime: "0:00"
                                                },
                                                ListElement {
                                                    myWidth: 66.66
                                                    myColor: "red"
                                                    myTemp: "26°"
                                                    myTime: "6:30"
                                                },
                                                ListElement {
                                                    myWidth: 283.33
                                                    myColor: "red"
                                                    myTemp: "32°"
                                                    myTime: "8:30"
                                                },
                                                ListElement {
                                                    myWidth: 166.66
                                                    myColor: "red"
                                                    myTemp: "26°"
                                                    myTime: "17:00"
                                                },
                                                ListElement {
                                                    myWidth: 66.66
                                                    myColor: "red"
                                                    myTemp: "29°"
                                                    myTime: "22:00"
                                                }
                                            ]
                                        }
                                    }

And this is delegate:

Component {
                                        id: myRectComp;
                                        Item {
                                            width: 800; height: 90
                                            ColumnLayout {
                                                id: scheduleList
                                                Label {
                                                    id: weekday
                                                    color: 'white'
                                                    text: name
                                                    font.pixelSize: 10
                                                    font.bold: true
                                                }
                                                RowLayout {
                                                    spacing: 2
                                                    Repeater {
                                                        model: attributes
                                                        ColumnLayout {
                                                            Rectangle {
                                                                width: myWidth
                                                                height: 50
                                                                color: myColor
                                                                Label {
                                                                    anchors.centerIn: parent
                                                                    color: 'black'
                                                                    text: myTemp
                                                                    font.pixelSize: 12
                                                                    font.bold: true
                                                                }
                                                            }
                                                            Rectangle {
                                                                width: myWidth
                                                                height: 40
                                                                color: '#000'
                                                                Label {
                                                                    color: 'white'
                                                                    text: myTime
                                                                    font.pixelSize: 9
                                                                    font.bold: true
                                                                }
                                                            }
                                                        }
                                                    }
                                                }
                                            }
                                        }

But only miss part on javascript for fill by json this listModel.

I think that will be something like this:

fruitModel.append(..., "attributes":
    [{"myWidth":216,"myTemp":"29°"},
     {"myWidth":66,"myTemp":"30°"}]);

Now try and keep inform if works. For now thanks.

[MEMekaniske]

That was sort of the same i sent you, or exactly the same actually..

So just parse the data as i described and it'll work fine :)

[MEMekaniske]

@marco_88

daysModel.append({
"day": "new day",
"times": [{"description": "00:00"}, {"description": "06:00"}],
"temps": [{"description": "17"}, {"description": "21"}]
})

Works fine on mine. So yours should be ok.

Good work :)

[marco_88]

I found a solution: edit component at this way:

Component.onCompleted: {
                                        var weekdays = ["monday","tuesday","wednesday","thursday","friday","saturday","sunday"];
                                        var xhr = new XMLHttpRequest;
                                        xhr.open("GET", constants.baseURL + "/api/thermostat.php?zone=1&season=summer");
                                        xhr.onreadystatechange = function() {
                                            if (xhr.readyState === XMLHttpRequest.DONE) {
                                                var json = JSON.parse(xhr.responseText);
                                                model.clear();
                                                var list = json["daily_schedule"];
                                                for (var i in list) {
                                                    var day=[];
                                                    if (json.daily_schedule[i]) {
                                                        for (var k in json.daily_schedule[i].times_of_operation) {
                                                            var start = json.daily_schedule[i].times_of_operation[k].start;
                                                            var stop = json.daily_schedule[i].times_of_operation[k].stop;
                                                            var temp = json.daily_schedule[i].times_of_operation[k].temp;
                                                            // If json file schedule contain daily schedule, get start, stop and temperature of each period and zone
                                                            if (json.daily_schedule[i].weekday === weekdays[i]) {
                                                                var rowDay = {
                                                                    myWidth: ((Schedule.decode_time(stop) - Schedule.decode_time(start)) / 24) * 800,
                                                                    myColor: Schedule.color_map(temp, 'summer'),
                                                                    myTemp: temp,
                                                                    myTime: start
                                                                };
                                                                day.push(rowDay);
                                                            }
                                                        }
                                                        model.append({
                                                            "weekday": list[i]["weekday"],
                                                            "attributes": day
                                                        })
                                                    }
                                                }
                                            }
                                        }
                                        xhr.send();
                                    }

Thank you very much.

Now I have others problem tobesolved, but for now I resolve this and thank you.

[marco_88]

I'm trying to edit the created listView, in particular the attributes part. In particular I want to delete a period and then change the size of the previous one.

Basically I open a new page where I show the single day with the list of the periods of that day, and from there I can call the function that removes the period, and on that page everything seems ok.

When I close the page, however, in the main one I don't see the updated model. I see the period removed (even if sometimes it does strange things and it doesn't even do that) and the size is not updated (also here sometimes it does and sometimes it doesn't)

The period removal code is this:

function removePeriod(indexWeekday, weekday, index) {
    var modelData = model.get(indexWeekday);
    var newWidth = modelData.attributes.get(index - 1).myWidth + modelData.attributes.get(index).myWidth
    var newStop = modelData.attributes.get(index).myStop;
    console.log("Index Weekday: " + indexWeekday)
    console.log("Weekday: " + weekday)
    console.log("Index: " + index)
    console.log("New Width: " + newWidth)
    console.log("New Stop: " + newStop)
    modelData.attributes.remove(index);
    modelData.attributes.set(index - 1, {myWidth: newWidth});
    modelData.attributes.set(index - 1, {myStop: newStop});
    var day = [];
    for (var i = 0; i < modelData.attributes.count; i++) {
        day.push(modelData.attributes.get(i));
    }
    model.set(indexWeekday, {"weekday": weekday, "attributes": day})
    scheduleSinglePeriod.remove(index);
    scheduleSinglePeriod.set(index - 1, {"myWidth": newWidth});
}

Thank you

[marco_88]

I resolved replaced model.set with these 2 lines:

model.insert(indexWeekday, {"weekday": weekday, "attributes": day})
model.remove(indexWeekday + 1)

I don't know if this code is clear and if it is a good way for update model.

I insert day row correctly on correct index sometimes I remove a period, and after remove next index, that is old day duplicated.

Thanks

[MEMekaniske]

@marco_88 hey, are you still working on this or have you got it solved?

[marco_88]

@MEMekaniske This part works. I ask if is clear way how do it. Now I have some problems with clock timer. I open another post.

Thanks