** Description changed: This is the cause for the Sections index resetting after initialization, - see bug https://bugs.launchpad.net/ubuntu/+source/ubuntu-ui- - toolkit/+bug/1610231 + see bug 1610231. Create the file ModelTest.qml: + import QtQuick 2.4 Item { - id: root - width: 800 - height: 600 + id: root + width: 800 + height: 600 - ListView { - model: root.model - onModelChanged: print("LV model changed to "+model[0]+" "+model[1]+" "+model[2]+" "+model[3]) - Component.onCompleted: print("ListView completed.") - } - Component.onCompleted: print("root item completed.") + ListView { + model: root.model + onModelChanged: print("LV model changed to "+model[0]+" "+model[1]+" "+model[2]+" "+model[3]) + Component.onCompleted: print("ListView completed.") + } + Component.onCompleted: print("root item completed.") - property list<QtObject> objectList - onObjectListChanged: print("root.objectList changed to "+objectList[0]+" "+objectList[1]+" "+objectList[2]) - property var model: objectList + property list<QtObject> objectList + onObjectListChanged: print("root.objectList changed to "+objectList[0]+" "+objectList[1]+" "+objectList[2]) + property var model: objectList } + And run this program modelInst.qml: - and run this program modelInst.qml: import QtQuick 2.4 import Ubuntu.Components 1.3 ModelTest { - QtObject { - objectName: "one" - id: objectOne - } - QtObject { - objectName: "two" - id: objectTwo - } - QtObject{ - objectName: "three" - id: objectThree - } + QtObject { + objectName: "one" + id: objectOne + } + QtObject { + objectName: "two" + id: objectTwo + } + QtObject{ + objectName: "three" + id: objectThree + } - objectList: [objectOne, objectTwo, objectThree] + objectList: [objectOne, objectTwo, objectThree] } + The output is as follows: - The output is as follows: - ubuntu@xenial1:~/dev/ubuntu-ui-toolkit/m/qt56fixes2sections$ qmlscene modelInst.qml + $ qmlscene modelInst.qml qml: root.objectList changed to undefined undefined undefined qml: root.objectList changed to QObject(0x118abf0, "one") undefined undefined qml: root.objectList changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") undefined qml: root.objectList changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") QObject(0x1182f80, "three") qml: LV model changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") QObject(0x1182f80, "three") undefined qml: LV model changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") QObject(0x1182f80, "three") undefined qml: root item completed. qml: ListView completed. qml: LV model changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") QObject(0x1182f80, "three") undefined qml: LV model changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") QObject(0x1182f80, "three") undefined - so the model ic changed AFTER the ListView and root item are completed. + So the model is changed AFTER the ListView and root item are completed. - When the Ubuntu.Components import is removed, the output is correct, like this: - ubuntu@xenial1:~/dev/ubuntu-ui-toolkit/m/qt56fixes2sections$ qmlscene modelInst.qml + When the Ubuntu.Components import is removed the output is correct: + + $ qmlscene modelInst.qml qml: root.objectList changed to undefined undefined undefined qml: root.objectList changed to QObject(0x171c8d0, "one") undefined undefined qml: root.objectList changed to QObject(0x171c8d0, "one") QObject(0x171d290, "two") undefined qml: root.objectList changed to QObject(0x171c8d0, "one") QObject(0x171d290, "two") QObject(0x171d420, "three") qml: LV model changed to QObject(0x171c8d0, "one") QObject(0x171d290, "two") QObject(0x171d420, "three") undefined qml: LV model changed to QObject(0x171c8d0, "one") QObject(0x171d290, "two") QObject(0x171d420, "three") undefined qml: root item completed. qml: ListView completed. - - Also, if there is no ListView inside ModelTest.qml, then nothing is updated after the items are completed. So I suspect the issue is in our ListView extension. + Also, if there is no ListView inside ModelTest.qml, then nothing is + updated after the items are completed. So I suspect the issue is in our + ListView extension.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ubuntu-ui-toolkit in Ubuntu. https://bugs.launchpad.net/bugs/1621509 Title: ListView with extension from UbuntuToolkit updates its model after the component is completed Status in ubuntu-ui-toolkit package in Ubuntu: Confirmed Bug description: This is the cause for the Sections index resetting after initialization, see bug 1610231. Create the file ModelTest.qml: import QtQuick 2.4 Item { id: root width: 800 height: 600 ListView { model: root.model onModelChanged: print("LV model changed to "+model[0]+" "+model[1]+" "+model[2]+" "+model[3]) Component.onCompleted: print("ListView completed.") } Component.onCompleted: print("root item completed.") property list<QtObject> objectList onObjectListChanged: print("root.objectList changed to "+objectList[0]+" "+objectList[1]+" "+objectList[2]) property var model: objectList } And run this program modelInst.qml: import QtQuick 2.4 import Ubuntu.Components 1.3 ModelTest { QtObject { objectName: "one" id: objectOne } QtObject { objectName: "two" id: objectTwo } QtObject{ objectName: "three" id: objectThree } objectList: [objectOne, objectTwo, objectThree] } The output is as follows: $ qmlscene modelInst.qml qml: root.objectList changed to undefined undefined undefined qml: root.objectList changed to QObject(0x118abf0, "one") undefined undefined qml: root.objectList changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") undefined qml: root.objectList changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") QObject(0x1182f80, "three") qml: LV model changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") QObject(0x1182f80, "three") undefined qml: LV model changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") QObject(0x1182f80, "three") undefined qml: root item completed. qml: ListView completed. qml: LV model changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") QObject(0x1182f80, "three") undefined qml: LV model changed to QObject(0x118abf0, "one") QObject(0x118a110, "two") QObject(0x1182f80, "three") undefined So the model is changed AFTER the ListView and root item are completed. When the Ubuntu.Components import is removed the output is correct: $ qmlscene modelInst.qml qml: root.objectList changed to undefined undefined undefined qml: root.objectList changed to QObject(0x171c8d0, "one") undefined undefined qml: root.objectList changed to QObject(0x171c8d0, "one") QObject(0x171d290, "two") undefined qml: root.objectList changed to QObject(0x171c8d0, "one") QObject(0x171d290, "two") QObject(0x171d420, "three") qml: LV model changed to QObject(0x171c8d0, "one") QObject(0x171d290, "two") QObject(0x171d420, "three") undefined qml: LV model changed to QObject(0x171c8d0, "one") QObject(0x171d290, "two") QObject(0x171d420, "three") undefined qml: root item completed. qml: ListView completed. Also, if there is no ListView inside ModelTest.qml, then nothing is updated after the items are completed. So I suspect the issue is in our ListView extension. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-ui-toolkit/+bug/1621509/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
