How do I apply logic to binding aggregation in order to generate children dynamically





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I have a table in SAPUI5, which works fine, displaying 5 cells of info.



However, how do I apply logic to this? For example, I sometimes need the 2nd cell to be a sap.m.RatingIndicator as opposed to sap.m.Text.



Is there a way to provide logic or must the cells always be hard-coded?



oTable.bindItems("/", new ColumnListItem({
cells: [
new HTML({ // sap/ui/core/HTML
content: "<p style='margin:0'>{path: 'Sequence', type: 'sap.ui.model.odata.type.String', constraints: {isDigitSequence: true}}. {QuestionDesc} - <strong>{CompetencyDesc}</strong></p>"
}),
new Text({ // sap/m/Text
text: "{AnswerLabel} ({AnswerScore})",
visible: true
}),
new Image({ // sap/m/Image
src: "{SmileyUrl}",
width: "2em"
}),
// ...
]
}));









share|improve this question































    1















    I have a table in SAPUI5, which works fine, displaying 5 cells of info.



    However, how do I apply logic to this? For example, I sometimes need the 2nd cell to be a sap.m.RatingIndicator as opposed to sap.m.Text.



    Is there a way to provide logic or must the cells always be hard-coded?



    oTable.bindItems("/", new ColumnListItem({
    cells: [
    new HTML({ // sap/ui/core/HTML
    content: "<p style='margin:0'>{path: 'Sequence', type: 'sap.ui.model.odata.type.String', constraints: {isDigitSequence: true}}. {QuestionDesc} - <strong>{CompetencyDesc}</strong></p>"
    }),
    new Text({ // sap/m/Text
    text: "{AnswerLabel} ({AnswerScore})",
    visible: true
    }),
    new Image({ // sap/m/Image
    src: "{SmileyUrl}",
    width: "2em"
    }),
    // ...
    ]
    }));









    share|improve this question



























      1












      1








      1








      I have a table in SAPUI5, which works fine, displaying 5 cells of info.



      However, how do I apply logic to this? For example, I sometimes need the 2nd cell to be a sap.m.RatingIndicator as opposed to sap.m.Text.



      Is there a way to provide logic or must the cells always be hard-coded?



      oTable.bindItems("/", new ColumnListItem({
      cells: [
      new HTML({ // sap/ui/core/HTML
      content: "<p style='margin:0'>{path: 'Sequence', type: 'sap.ui.model.odata.type.String', constraints: {isDigitSequence: true}}. {QuestionDesc} - <strong>{CompetencyDesc}</strong></p>"
      }),
      new Text({ // sap/m/Text
      text: "{AnswerLabel} ({AnswerScore})",
      visible: true
      }),
      new Image({ // sap/m/Image
      src: "{SmileyUrl}",
      width: "2em"
      }),
      // ...
      ]
      }));









      share|improve this question
















      I have a table in SAPUI5, which works fine, displaying 5 cells of info.



      However, how do I apply logic to this? For example, I sometimes need the 2nd cell to be a sap.m.RatingIndicator as opposed to sap.m.Text.



      Is there a way to provide logic or must the cells always be hard-coded?



      oTable.bindItems("/", new ColumnListItem({
      cells: [
      new HTML({ // sap/ui/core/HTML
      content: "<p style='margin:0'>{path: 'Sequence', type: 'sap.ui.model.odata.type.String', constraints: {isDigitSequence: true}}. {QuestionDesc} - <strong>{CompetencyDesc}</strong></p>"
      }),
      new Text({ // sap/m/Text
      text: "{AnswerLabel} ({AnswerScore})",
      visible: true
      }),
      new Image({ // sap/m/Image
      src: "{SmileyUrl}",
      width: "2em"
      }),
      // ...
      ]
      }));






      sapui5






      share|improve this question















      share|improve this question













      share|improve this question




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      edited Jan 3 at 13:35









      Boghyon Hoffmann

      6,69462860




      6,69462860










      asked Jan 3 at 12:00









      Adam HarkusAdam Harkus

      373427




      373427
























          1 Answer
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          1














          You can make use of a factory function.



          <Table items="{
          path: '/',
          factory: '.createColumnListItem'
          }" />


          createColumnListItem: function(id, context/*of the current item*/) {
          const displayRatingIndicatorInstead = /*...*/;
          return new ColumnListItem(id, {
          cells: [
          // ...
          displayRatingIndicatorInstead ? new RatingIndicator() : new Text(),
          // ...
          ]
          });
          },


          In contrast to providing a template control, factory functions allow us to instantiate a new control dynamically for each iteration step.



          For more information and examples, take a look at the documentation topic Using Factory Functions.





          When using bindItems



          oTable.bindItems({
          path: "/",
          factory: this.createColumnListItem.bind(this),
          // no template!
          // ...
          });


          From the API reference: ManagedObject#bindAggregation:




          A factory function that will be called to create an object for each item in the aggregation; this is an alternative to providing a template object and can be used when the objects should differ depending on the binding context; the factory function will be called with two parameters:




          • An id that should be used for the created object, and

          • The binding context for which the object has to be created;


          The function must return an object appropriate for the bound aggregation.







          share|improve this answer


























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            1 Answer
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            oldest

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            1 Answer
            1






            active

            oldest

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            active

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            active

            oldest

            votes









            1














            You can make use of a factory function.



            <Table items="{
            path: '/',
            factory: '.createColumnListItem'
            }" />


            createColumnListItem: function(id, context/*of the current item*/) {
            const displayRatingIndicatorInstead = /*...*/;
            return new ColumnListItem(id, {
            cells: [
            // ...
            displayRatingIndicatorInstead ? new RatingIndicator() : new Text(),
            // ...
            ]
            });
            },


            In contrast to providing a template control, factory functions allow us to instantiate a new control dynamically for each iteration step.



            For more information and examples, take a look at the documentation topic Using Factory Functions.





            When using bindItems



            oTable.bindItems({
            path: "/",
            factory: this.createColumnListItem.bind(this),
            // no template!
            // ...
            });


            From the API reference: ManagedObject#bindAggregation:




            A factory function that will be called to create an object for each item in the aggregation; this is an alternative to providing a template object and can be used when the objects should differ depending on the binding context; the factory function will be called with two parameters:




            • An id that should be used for the created object, and

            • The binding context for which the object has to be created;


            The function must return an object appropriate for the bound aggregation.







            share|improve this answer






























              1














              You can make use of a factory function.



              <Table items="{
              path: '/',
              factory: '.createColumnListItem'
              }" />


              createColumnListItem: function(id, context/*of the current item*/) {
              const displayRatingIndicatorInstead = /*...*/;
              return new ColumnListItem(id, {
              cells: [
              // ...
              displayRatingIndicatorInstead ? new RatingIndicator() : new Text(),
              // ...
              ]
              });
              },


              In contrast to providing a template control, factory functions allow us to instantiate a new control dynamically for each iteration step.



              For more information and examples, take a look at the documentation topic Using Factory Functions.





              When using bindItems



              oTable.bindItems({
              path: "/",
              factory: this.createColumnListItem.bind(this),
              // no template!
              // ...
              });


              From the API reference: ManagedObject#bindAggregation:




              A factory function that will be called to create an object for each item in the aggregation; this is an alternative to providing a template object and can be used when the objects should differ depending on the binding context; the factory function will be called with two parameters:




              • An id that should be used for the created object, and

              • The binding context for which the object has to be created;


              The function must return an object appropriate for the bound aggregation.







              share|improve this answer




























                1












                1








                1







                You can make use of a factory function.



                <Table items="{
                path: '/',
                factory: '.createColumnListItem'
                }" />


                createColumnListItem: function(id, context/*of the current item*/) {
                const displayRatingIndicatorInstead = /*...*/;
                return new ColumnListItem(id, {
                cells: [
                // ...
                displayRatingIndicatorInstead ? new RatingIndicator() : new Text(),
                // ...
                ]
                });
                },


                In contrast to providing a template control, factory functions allow us to instantiate a new control dynamically for each iteration step.



                For more information and examples, take a look at the documentation topic Using Factory Functions.





                When using bindItems



                oTable.bindItems({
                path: "/",
                factory: this.createColumnListItem.bind(this),
                // no template!
                // ...
                });


                From the API reference: ManagedObject#bindAggregation:




                A factory function that will be called to create an object for each item in the aggregation; this is an alternative to providing a template object and can be used when the objects should differ depending on the binding context; the factory function will be called with two parameters:




                • An id that should be used for the created object, and

                • The binding context for which the object has to be created;


                The function must return an object appropriate for the bound aggregation.







                share|improve this answer















                You can make use of a factory function.



                <Table items="{
                path: '/',
                factory: '.createColumnListItem'
                }" />


                createColumnListItem: function(id, context/*of the current item*/) {
                const displayRatingIndicatorInstead = /*...*/;
                return new ColumnListItem(id, {
                cells: [
                // ...
                displayRatingIndicatorInstead ? new RatingIndicator() : new Text(),
                // ...
                ]
                });
                },


                In contrast to providing a template control, factory functions allow us to instantiate a new control dynamically for each iteration step.



                For more information and examples, take a look at the documentation topic Using Factory Functions.





                When using bindItems



                oTable.bindItems({
                path: "/",
                factory: this.createColumnListItem.bind(this),
                // no template!
                // ...
                });


                From the API reference: ManagedObject#bindAggregation:




                A factory function that will be called to create an object for each item in the aggregation; this is an alternative to providing a template object and can be used when the objects should differ depending on the binding context; the factory function will be called with two parameters:




                • An id that should be used for the created object, and

                • The binding context for which the object has to be created;


                The function must return an object appropriate for the bound aggregation.








                share|improve this answer














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                share|improve this answer








                edited Mar 24 at 17:44

























                answered Jan 3 at 13:29









                Boghyon HoffmannBoghyon Hoffmann

                6,69462860




                6,69462860
































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