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[SOLVED] Quering Enginio with QML

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  • C Offline
    C Offline
    clochydd
    wrote on 25 Aug 2015, 09:32 last edited by clochydd
    #11

    Hi guidupas,

    until now I didn't use a ComboBox with QML and Enginio, so I've made this small example:

    Assume, we have a collection objects.contacts with custom properties name and address:

    {
      "name": "Peter",
      "address": "Somewhere"
    }
    {
      "name": "Peter",
      "address": "Anywhere"
    }
    

    and we want to see the addresses for all Peters in the ComboBox:

    import QtQuick 2.3
    import QtQuick.Controls 1.2
    import Enginio 1.0
    
    Rectangle {
        width: 500; height: 200
    
        EnginioClient {
            id: client
            backendId: "myBackendID..."
            onError: console.log(reply.errorCode + ": " + reply.errorString)
        }
        EnginioModel {
            id: eModel
            client: client
            query: {
                "objectType": "objects.contacts",
                "query" : {"name": "Peter"}
            }
        }
        ComboBox {
            model: eModel
            textRole: "address"
    
        }
    }
    

    And your ComboBox will contain:
    Somewhere
    Anywhere

    Hope, it helps a bit...

    G 2 Replies Last reply 25 Aug 2015, 14:41
    0
    • C clochydd
      25 Aug 2015, 09:32

      Hi guidupas,

      until now I didn't use a ComboBox with QML and Enginio, so I've made this small example:

      Assume, we have a collection objects.contacts with custom properties name and address:

      {
        "name": "Peter",
        "address": "Somewhere"
      }
      {
        "name": "Peter",
        "address": "Anywhere"
      }
      

      and we want to see the addresses for all Peters in the ComboBox:

      import QtQuick 2.3
      import QtQuick.Controls 1.2
      import Enginio 1.0
      
      Rectangle {
          width: 500; height: 200
      
          EnginioClient {
              id: client
              backendId: "myBackendID..."
              onError: console.log(reply.errorCode + ": " + reply.errorString)
          }
          EnginioModel {
              id: eModel
              client: client
              query: {
                  "objectType": "objects.contacts",
                  "query" : {"name": "Peter"}
              }
          }
          ComboBox {
              model: eModel
              textRole: "address"
      
          }
      }
      

      And your ComboBox will contain:
      Somewhere
      Anywhere

      Hope, it helps a bit...

      G Offline
      G Offline
      guidupas
      wrote on 25 Aug 2015, 14:41 last edited by
      #12

      @clochydd

      It worked fine.

      Thank you very much. It helped a lot.

      Att.
      Guilherme Cortada Dupas

      1 Reply Last reply
      0
      • C clochydd
        25 Aug 2015, 09:32

        Hi guidupas,

        until now I didn't use a ComboBox with QML and Enginio, so I've made this small example:

        Assume, we have a collection objects.contacts with custom properties name and address:

        {
          "name": "Peter",
          "address": "Somewhere"
        }
        {
          "name": "Peter",
          "address": "Anywhere"
        }
        

        and we want to see the addresses for all Peters in the ComboBox:

        import QtQuick 2.3
        import QtQuick.Controls 1.2
        import Enginio 1.0
        
        Rectangle {
            width: 500; height: 200
        
            EnginioClient {
                id: client
                backendId: "myBackendID..."
                onError: console.log(reply.errorCode + ": " + reply.errorString)
            }
            EnginioModel {
                id: eModel
                client: client
                query: {
                    "objectType": "objects.contacts",
                    "query" : {"name": "Peter"}
                }
            }
            ComboBox {
                model: eModel
                textRole: "address"
        
            }
        }
        

        And your ComboBox will contain:
        Somewhere
        Anywhere

        Hope, it helps a bit...

        G Offline
        G Offline
        guidupas
        wrote on 28 Aug 2015, 21:01 last edited by
        #13

        @clochydd

        Hello @clochydd !

        I heard that Enginio is going to be deprecated. Do you know if this is true?

        Cheers.

        Att.
        Guilherme Cortada Dupas

        1 Reply Last reply
        0
        • S Offline
          S Offline
          SGaist
          Lifetime Qt Champion
          wrote on 28 Aug 2015, 21:31 last edited by
          #14

          Hi,

          AFAIK, the talk is about the client library, not the service

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

          1 Reply Last reply
          0
          • C Offline
            C Offline
            clochydd
            wrote on 31 Aug 2015, 10:30 last edited by
            #15

            Hi SGaist,

            thanks for your comment - is there any information available in the forum or elsewhere? I wonder about the consequences, if the client library will be deprecated.

            1 Reply Last reply
            0
            • S Offline
              S Offline
              SGaist
              Lifetime Qt Champion
              wrote on 31 Aug 2015, 21:11 last edited by
              #16

              Currently I only saw this on the mailing list. If that be the case, it will be properly announced. The deprecation just means that there won't be further development on the client part except security related stuff. The code itself isn't going to disappear.

              Interested in AI ? www.idiap.ch
              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

              1 Reply Last reply
              0
              • C Offline
                C Offline
                Charby
                wrote on 1 Sept 2015, 00:52 last edited by
                #17

                I was just starting to learn engin.io but according to the 5.6 roadmap the module will be deprecated http://wiki.qt.io/New_Features_in_Qt_5.6). What would be the recommanded way to communicate with an EDS backend from a qml mobile app? Even if the api will remains I feel it is not advisable to start a new project with an ingoing deprecated module...

                1 Reply Last reply
                0
                • C Offline
                  C Offline
                  clochydd
                  wrote on 1 Sept 2015, 09:55 last edited by
                  #18

                  @Charby
                  You are absolutely right! And it seems to be quite strange to see Digia propagating Enginio on their current web presence while planning to remove Qt Enginio...

                  1 Reply Last reply
                  0
                  • S Offline
                    S Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on 1 Sept 2015, 10:06 last edited by
                    #19

                    From https://developer.qtcloudservices.com/eds/references/sdk-libraries It looks like there's something in the work.

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                    S 1 Reply Last reply 1 Sept 2015, 10:09
                    0
                    • S SGaist
                      1 Sept 2015, 10:06

                      From https://developer.qtcloudservices.com/eds/references/sdk-libraries It looks like there's something in the work.

                      S Offline
                      S Offline
                      Sajad Manal
                      wrote on 1 Sept 2015, 10:09 last edited by
                      #20

                      @SGaist Sir I am new to qt . I didn't know where to ask to I am givingmy question here:

                      I downloaded qt-opensource-linux-x86-5.4.1.run but how to install it on ubuntu 14.04LTS?

                      1 Reply Last reply
                      0
                      • S Offline
                        S Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on 1 Sept 2015, 10:12 last edited by
                        #21

                        Hi and welcome to devnet,

                        You have a wiki entry here that describes how to do it.

                        For future questions: please don't highjack threads with completely unrelated questions.

                        Interested in AI ? www.idiap.ch
                        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                        S 1 Reply Last reply 1 Sept 2015, 10:21
                        0
                        • S SGaist
                          1 Sept 2015, 10:12

                          Hi and welcome to devnet,

                          You have a wiki entry here that describes how to do it.

                          For future questions: please don't highjack threads with completely unrelated questions.

                          S Offline
                          S Offline
                          Sajad Manal
                          wrote on 1 Sept 2015, 10:21 last edited by
                          #22

                          @SGaist Sir I am trying the same since 1 hour but getting this problem:

                          administrator@pc-7:~/Downloads/FlareGet/Applications$ chmod +x qt-opensource-linux-x86-5.4.1.run
                          administrator@pc-7:~/Downloads/FlareGet/Applications$ ./qt-linux-opensource-linux-x86-5.4.1.run
                          bash: ./qt-linux-opensource-linux-x86-5.4.1.run: No such file or directory

                          1 Reply Last reply
                          0
                          • S Offline
                            S Offline
                            SGaist
                            Lifetime Qt Champion
                            wrote on 1 Sept 2015, 10:25 last edited by
                            #23

                            Please open a new thread for your problem.

                            Interested in AI ? www.idiap.ch
                            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                            S 1 Reply Last reply 1 Sept 2015, 10:28
                            0
                            • S SGaist
                              1 Sept 2015, 10:25

                              Please open a new thread for your problem.

                              S Offline
                              S Offline
                              Sajad Manal
                              wrote on 1 Sept 2015, 10:28 last edited by
                              #24

                              @SGaist how. I dont know . I am not able to find new thread

                              1 Reply Last reply
                              0
                              • S Offline
                                S Offline
                                SGaist
                                Lifetime Qt Champion
                                wrote on 1 Sept 2015, 10:29 last edited by
                                #25

                                https://forum.qt.io/category/10/general-and-desktop -> "New Topic" button

                                Interested in AI ? www.idiap.ch
                                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                                1 Reply Last reply
                                0

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                                1 Sept 2015, 10:09

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