Wizard page mode

" @keywords wizard sap.m wizardsinglestep button dialog dynamicpage dynamicpagetitle title wizardstep messagestrip text hbox
" @summary Demonstrates the usage of the renderMode property. The Wizard is displayed inside a Dialog to allow blocking of the interface without using page context. The dynamic page is used to provide a consistent and standards-compliant look.
" @origin sap.m.sample.WizardSingleStep - https://sdk.openui5.org/entity/sap.m.Wizard/sample/sap.m.sample.WizardSingleStep (status: generated - machine-written, not yet reviewed)
CLASS z2ui5_cl_smpc_app_533 DEFINITION PUBLIC.

  PUBLIC SECTION.
    INTERFACES z2ui5_if_app.

    DATA producttype         TYPE string.
    DATA productname         TYPE string.
    DATA productnamestate    TYPE string.
    DATA productweight       TYPE string.
    DATA productweightstate  TYPE string.
    DATA productmanufacturer TYPE string.
    DATA productdescription  TYPE string.
    DATA manufacturingdate   TYPE string.
    DATA availabilitytype    TYPE string.
    DATA size                TYPE string.
    DATA measurement         TYPE string.
    DATA productprice        TYPE string.
    DATA discountgroup       TYPE string.
    DATA productvat          TYPE abap_bool.
    DATA step2_validated     TYPE abap_bool.
    DATA next_enabled        TYPE abap_bool VALUE abap_true.
    DATA step_index          TYPE i.

  PROTECTED SECTION.
    DATA client       TYPE REF TO z2ui5_if_client.
    DATA current_step TYPE string.

    METHODS view_display.
    METHODS popup_wizard_display.
    METHODS on_event.
    METHODS step_goto IMPORTING index TYPE i.
    METHODS info_validate.
    METHODS model_init.

  PRIVATE SECTION.
ENDCLASS.


CLASS z2ui5_cl_smpc_app_533 IMPLEMENTATION.

  METHOD z2ui5_if_app~main.

    me->client = client.
    IF client->check_on_init( ).
      model_init( ).
      view_display( ).
    ELSEIF client->check_on_navigated( ).
      view_display( ).
    ELSEIF client->check_on_event( ).
      on_event( ).
    ENDIF.

  ENDMETHOD.


  METHOD view_display.

    DATA(view) = z2ui5_cl_ui5_view_builder=>factory( ).

    view->ele( n = `View` ns = `mvc`
        )->a( n = `height`     v = `100%`
        )->a( n = `xmlns:core` v = `sap.ui.core`
        )->a( n = `xmlns:mvc`  v = `sap.ui.core.mvc`
        )->a( n = `xmlns`      v = `sap.m`

        )->tag( `Button`
            )->a( n = `class` v = `sapUiSmallMargin`
            )->a( n = `text`  v = `Open Wizard in Dialog`
            )->a( n = `press` v = client->_event( `OPEN_DIALOG` ) ).

    client->view_display( view->stringify( ) ).

  ENDMETHOD.


  METHOD popup_wizard_display.

    DATA(popup) = z2ui5_cl_ui5_view_builder=>factory( ).

    " handleButtonsVisibility switches the five footer buttons on the SELECTED
    " STEP INDEX; the index is one bound field here and each button carries the
    " same condition as an expression binding
    DATA(v_back) = |\{= ${ client->_bind( step_index ) } > 0 && ${ client->_bind( step_index ) } < 4 \}|.
    DATA(v_next) = |\{= ${ client->_bind( step_index ) } < 3 \}|.
    DATA(v_rev)  = |\{= ${ client->_bind( step_index ) } === 3 \}|.
    DATA(v_fin)  = |\{= ${ client->_bind( step_index ) } === 4 \}|.

    popup->ele( n = `FragmentDefinition` ns = `core`
        )->a( n = `xmlns`      v = `sap.m`
        )->a( n = `xmlns:core` v = `sap.ui.core`
        )->a( n = `xmlns:f`    v = `sap.f`
        )->a( n = `xmlns:form` v = `sap.ui.layout.form`
        )->a( n = `xmlns:u`    v = `sap.ui.unified`
        )->a( n = `xmlns:l`    v = `sap.ui.layout`

        )->ele( `Dialog`
            )->a( n = `id`                v = `wizardDialog`
            )->a( n = `showHeader`        v = `false`
            )->a( n = `verticalScrolling` v = `false`
            )->a( n = `contentHeight`     v = `70%`
            )->a( n = `contentWidth`      v = `80%`

            )->ele( n = `DynamicPage` ns = `f`
                )->a( n = `stickySubheaderProvider`  v = `CreateProductWizard`
                )->a( n = `toggleHeaderOnTitleClick` v = `false`
                )->a( n = `class`                    v = `sapUiNoContentPadding`
                )->a( n = `showFooter`               v = `true`

                )->ele( n = `title` ns = `f`
                    )->ele( n = `DynamicPageTitle` ns = `f`
                        )->ele( n = `heading` ns = `f`
                            )->tag( `Title`
                                )->a( n = `text` v = `Wizard in a Dialog`

                        )->end(
                    )->end(
                )->end(

                )->ele( n = `content` ns = `f`
                    )->ele( `Wizard`
                        )->a( n = `id`               v = `CreateProductWizard`
                        )->a( n = `class`            v = `sapUiResponsivePadding--header sapUiResponsivePadding--content`
                        )->a( n = `showNextButton`   v = `false`
                        )->a( n = `renderMode`       v = `Page`
                        " handleNavigationChange reads the step off the event and
                        " recomputes the index; the step TITLE travels here
                        )->a( n = `navigationChange` v = client->_event( val = `NAVIGATION_CHANGE` arg = `${$parameters>/step}.getTitle()` )

                        )->ele( `WizardStep`
                            )->a( n = `id`        v = `ProductTypeStep`
                            )->a( n = `title`     v = `Product Type`
                            )->a( n = `validated` v = `true`

                            )->tag( `MessageStrip`
                                )->a( n = `class`    v = `sapUiSmallMarginBottom`
                                )->a( n = `text`     v = `The Wizard control is supposed to break down large tasks, into smaller steps, easier for the user to work with.`
                                )->a( n = `showIcon` v = `true`
                            )->tag( `Text`
                                )->a( n = `class` v = `sapUiSmallMarginBottom`
                                )->a( n = `text`  v = `Sed fermentum, mi et tristique ullamcorper, sapien sapien faucibus sem, quis pretium nibh lorem malesuada diam. ` &&
                                                      `Nulla quis arcu aliquet, feugiat massa semper, volutpat diam. Nam vitae ante posuere, molestie neque sit amet, dapibus velit. ` &&
                                                      `Maecenas eleifend tempor lorem. Mauris vitae elementum mi, sed eleifend ligula. Nulla tempor vulputate dolor, nec dignissim quam convallis ut. ` &&
                                                      `Praesent vitae commodo felis, ut iaculis felis. Fusce quis eleifend sapien, eget facilisis nibh. Suspendisse est velit, scelerisque ut commodo eget, dignissim quis metus. ` &&
                                                      `Cras faucibus consequat gravida. Curabitur vitae quam felis. Phasellus ac leo eleifend, commodo tortor et, varius quam. Aliquam erat volutpat`

                            )->ele( `HBox`
                                )->a( n = `alignItems`     v = `Center`
                                )->a( n = `justifyContent` v = `Center`
                                )->a( n = `width`          v = `100%`

                                )->ele( `SegmentedButton`
                                    )->a( n = `width`           v = `320px`
                                    )->a( n = `selectedKey`     v = client->_bind( producttype )
                                    )->a( n = `selectionChange` v = client->_event( `SET_PRODUCT_TYPE` )

                                    )->ele( `items`
                                        )->tag( `SegmentedButtonItem`
                                            )->a( n = `icon` v = `sap-icon://iphone`
                                            )->a( n = `key`  v = `Mobile`
                                            )->a( n = `text` v = `Mobile`
                                        )->tag( `SegmentedButtonItem`
                                            )->a( n = `icon` v = `sap-icon://sys-monitor`
                                            )->a( n = `key`  v = `Desktop`
                                            )->a( n = `text` v = `Desktop`
                                        )->tag( `SegmentedButtonItem`
                                            )->a( n = `icon` v = `sap-icon://database`
                                            )->a( n = `key`  v = `Other`
                                            )->a( n = `text` v = `Other`

                                    )->end(
                                )->end(
                            )->end(
                        )->end(

                        )->ele( `WizardStep`
                            )->a( n = `id`        v = `ProductInfoStep`
                            )->a( n = `validated` v = client->_bind( step2_validated )
                            )->a( n = `title`     v = `Product Information`
                            )->a( n = `activate`  v = client->_event( `ADDITIONAL_INFO` )

                            )->tag( `MessageStrip`
                                )->a( n = `class`    v = `sapUiSmallMarginBottom`
                                )->a( n = `text`     v = `Validation in the wizard is controlled by calling the validateStep(Step) and invalidateStep(Step) methods `
                                )->a( n = `showIcon` v = `true`
                            )->tag( `Text`
                                )->a( n = `text` v = `Cras tellus leo, volutpat vitae ullamcorper eu, posuere malesuada nisl. Integer pellentesque leo sit amet dui vehicula, quis ullamcorper est pulvinar. ` &&
                                                     `Nam in libero sem. Suspendisse arcu metus, molestie a turpis a, molestie aliquet dui. Donec pulvinar, sapien et viverra imperdiet, orci erat porttitor nulla, ` &&
                                                     `eget commodo metus nibh nec ipsum. Aliquam lacinia euismod metus, sollicitudin pellentesque purus volutpat eget. Pellentesque egestas erat quis eros convallis mattis.`

                            )->ele( n = `SimpleForm` ns = `form`
                                )->a( n = `editable` v = `true`
                                )->a( n = `layout`   v = `ResponsiveGridLayout`

                                )->tag( `Label`
                                    )->a( n = `text`     v = `Name`
                                    )->a( n = `required` v = `true`
                                )->tag( `Input`
                                    )->a( n = `valueStateText` v = `Enter 6 symbols or more`
                                    )->a( n = `valueState`     v = client->_bind( productnamestate )
                                    )->a( n = `id`             v = `ProductName`
                                    )->a( n = `liveChange`     v = client->_event( val = `ADDITIONAL_INFO` s_ctrl = VALUE #( check_queue_last = abap_true check_no_busy = abap_true ) )
                                    )->a( n = `placeholder`    v = `Enter name with length greater than 6`
                                    )->a( n = `value`          v = client->_bind( productname )
                                    )->a( n = `valueLiveUpdate` v = `true`
                                )->tag( `Label`
                                    )->a( n = `text`     v = `Weight`
                                    )->a( n = `required` v = `true`
                                )->tag( `Input`
                                    )->a( n = `valueStateText` v = `Enter digits`
                                    )->a( n = `valueState`     v = client->_bind( productweightstate )
                                    )->a( n = `id`             v = `ProductWeight`
                                    )->a( n = `liveChange`     v = client->_event( val = `ADDITIONAL_INFO` s_ctrl = VALUE #( check_queue_last = abap_true check_no_busy = abap_true ) )
                                    )->a( n = `type`           v = `Number`
                                    )->a( n = `placeholder`    v = `Enter digits`
                                    )->a( n = `value`          v = client->_bind( productweight )
                                    )->a( n = `valueLiveUpdate` v = `true`
                                )->tag( `Label`
                                    )->a( n = `text` v = `Manufacturer`

                                )->ele( `Select`
                                    )->a( n = `selectedKey` v = client->_bind( productmanufacturer )

                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Apple`
                                        )->a( n = `text` v = `Apple`
                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Microsoft`
                                        )->a( n = `text` v = `Microsoft`
                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Google`
                                        )->a( n = `text` v = `Google`
                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Sony`
                                        )->a( n = `text` v = `Sony`
                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Samsung`
                                        )->a( n = `text` v = `Samsung`
                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Logitech`
                                        )->a( n = `text` v = `Logitech`

                                )->end(
                                )->tag( `Label`
                                    )->a( n = `text` v = `Description`
                                )->tag( `TextArea`
                                    )->a( n = `value` v = client->_bind( productdescription )
                                    )->a( n = `rows`  v = `8`

                            )->end(
                        )->end(

                        )->ele( `WizardStep`
                            )->a( n = `id`        v = `OptionalInfoStep`
                            )->a( n = `validated` v = `true`
                            )->a( n = `activate`  v = client->_event( `OPTIONAL_ACTIVATE` )
                            )->a( n = `title`     v = `Optional Information`

                            )->tag( `MessageStrip`
                                )->a( n = `class`    v = `sapUiSmallMarginBottom`
                                )->a( n = `text`     v = `You can validate steps by default with the validated='true' property of the step. The next button is always enabled.`
                                )->a( n = `showIcon` v = `true`
                            )->tag( `Text`
                                )->a( n = `text` v = `Integer pellentesque leo sit amet dui vehicula, quis ullamcorper est pulvinar. Nam in libero sem. Suspendisse arcu metus, molestie a turpis a, molestie aliquet dui. ` &&
                                                     `Donec pellentesque leo sit amet dui vehicula, quis ullamcorper est pulvinar. Nam in libero sem. Suspendisse arcu metus, molestie a turpis a, molestie aliquet dui. ` &&
                                                     `Donec pulvinar, sapien corper eu, posuere malesuada nisl.`

                            )->ele( n = `SimpleForm` ns = `form`
                                )->a( n = `editable` v = `true`
                                )->a( n = `layout`   v = `ResponsiveGridLayout`

                                )->tag( `Label`
                                    )->a( n = `text` v = `Cover photo`
                                )->tag( n = `FileUploader` ns = `u`
                                    )->a( n = `width`       v = `100%`
                                    )->a( n = `tooltip`     v = `Upload product cover photo to the local server`
                                    )->a( n = `style`       v = `Emphasized`
                                    )->a( n = `placeholder` v = `Choose a file for Upload...`
                                )->tag( `Label`
                                    )->a( n = `text` v = `Manufacturing date`
                                )->tag( `DatePicker`
                                    )->a( n = `id`            v = `DP3`
                                    )->a( n = `displayFormat` v = `short`
                                    )->a( n = `value`         v = client->_bind( manufacturingdate )
                                )->tag( `Label`
                                    )->a( n = `text` v = `Availability`

                                )->ele( `SegmentedButton`
                                    )->a( n = `selectedKey` v = client->_bind( availabilitytype )

                                    )->ele( `items`
                                        )->tag( `SegmentedButtonItem`
                                            )->a( n = `key`  v = `In store`
                                            )->a( n = `text` v = `In store`
                                        )->tag( `SegmentedButtonItem`
                                            )->a( n = `key`  v = `In depot`
                                            )->a( n = `text` v = `In depot`
                                        )->tag( `SegmentedButtonItem`
                                            )->a( n = `key`  v = `In repository`
                                            )->a( n = `text` v = `In repository`
                                        )->tag( `SegmentedButtonItem`
                                            )->a( n = `key`  v = `Out of stock`
                                            )->a( n = `text` v = `Out of stock`

                                    )->end(
                                )->end(
                                )->tag( `Label`
                                    )->a( n = `text` v = `Size`
                                )->tag( `Input`
                                    )->a( n = `value` v = client->_bind( size )

                                )->ele( `ComboBox`
                                    )->a( n = `maxWidth`    v = `100px`
                                    )->a( n = `selectedKey` v = client->_bind( measurement )

                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `X`
                                        )->a( n = `text` v = `X`
                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Y`
                                        )->a( n = `text` v = `Y`
                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Z`
                                        )->a( n = `text` v = `Z`

                                )->end(
                            )->end(
                        )->end(

                        )->ele( `WizardStep`
                            )->a( n = `id`        v = `PricingStep`
                            )->a( n = `validated` v = `true`
                            )->a( n = `title`     v = `Pricing`

                            )->tag( `MessageStrip`
                                )->a( n = `class`    v = `sapUiSmallMarginBottom`
                                )->a( n = `text`     v = `You can use the wizard previousStep() and nextStep() methods to navigate from step to step without validation. ` &&
                                                         `Also you can use the GoToStep(step) method to scroll programmatically to previously visited steps.`
                                )->a( n = `showIcon` v = `true`

                            )->ele( n = `SimpleForm` ns = `form`
                                )->a( n = `editable` v = `true`
                                )->a( n = `layout`   v = `ResponsiveGridLayout`

                                )->tag( `Label`
                                    )->a( n = `text` v = `Price`
                                )->tag( `Input`
                                    )->a( n = `value` v = client->_bind( productprice )
                                )->tag( `Label`
                                    )->a( n = `text` v = `Discount group`

                                )->ele( `ComboBox`
                                    )->a( n = `selectedKey` v = client->_bind( discountgroup )

                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Kids`
                                        )->a( n = `text` v = `Kids`
                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Teens`
                                        )->a( n = `text` v = `Teens`
                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Adults`
                                        )->a( n = `text` v = `Adults`
                                    )->tag( n = `Item` ns = `core`
                                        )->a( n = `key`  v = `Elderly`
                                        )->a( n = `text` v = `Elderly`

                                )->end(
                                )->tag( `Label`
                                    )->a( n = `text` v = ` VAT is included`
                                )->tag( `CheckBox`
                                    )->a( n = `selected` v = client->_bind( productvat )

                            )->end(
                        )->end(

                        )->ele( `WizardStep`
                            )->a( n = `id`        v = `ReviewPage`
                            )->a( n = `validated` v = `true`
                            )->a( n = `title`     v = `Review page`

                            )->ele( n = `SimpleForm` ns = `form`
                                )->a( n = `title`    v = `1. Product Type`
                                )->a( n = `editable` v = `false`
                                )->a( n = `layout`   v = `ResponsiveGridLayout`

                                )->ele( n = `content` ns = `form`
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Type`
                                    )->tag( `Text`
                                        )->a( n = `id`   v = `ProductTypeChosen`
                                        )->a( n = `text` v = client->_bind( producttype )
                                    )->tag( `Link`
                                        )->a( n = `press` v = client->_event( `EDIT_STEP_1` )
                                        )->a( n = `text`  v = `Edit`

                                )->end(
                            )->end(
                            )->ele( n = `SimpleForm` ns = `form`
                                )->a( n = `title`    v = `2. Product Information`
                                )->a( n = `editable` v = `false`
                                )->a( n = `layout`   v = `ResponsiveGridLayout`

                                )->ele( n = `content` ns = `form`
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Name`
                                    )->tag( `Text`
                                        )->a( n = `id`   v = `ProductNameChosen`
                                        )->a( n = `text` v = client->_bind( productname )
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Weight`
                                    )->tag( `Text`
                                        )->a( n = `id`   v = `ProductWeightChosen`
                                        )->a( n = `text` v = client->_bind( productweight )
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Manufacturer`
                                    )->tag( `Text`
                                        )->a( n = `id`   v = `ProductManufacturerChosen`
                                        )->a( n = `text` v = client->_bind( productmanufacturer )
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Description`
                                    )->tag( `Text`
                                        )->a( n = `id`   v = `ProductDescriptionChosen`
                                        )->a( n = `text` v = client->_bind( productdescription )
                                    )->tag( `Link`
                                        )->a( n = `press` v = client->_event( `EDIT_STEP_2` )
                                        )->a( n = `text`  v = `Edit`

                                )->end(
                            )->end(
                            )->ele( n = `SimpleForm` ns = `form`
                                )->a( n = `title`    v = `3. Optional Information`
                                )->a( n = `editable` v = `false`
                                )->a( n = `layout`   v = `ResponsiveGridLayout`

                                )->ele( n = `content` ns = `form`
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Some text`
                                    )->tag( `Text`
                                        )->a( n = `text` v = `Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. `
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Manufacturing Date`
                                    )->tag( `Text`
                                        )->a( n = `id`   v = `ManufacturingDate`
                                        )->a( n = `text` v = client->_bind( manufacturingdate )
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Availability`
                                    )->tag( `Text`
                                        )->a( n = `id`   v = `AvailabilityChosen`
                                        )->a( n = `text` v = client->_bind( availabilitytype )
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Size`

                                    )->ele( `HBox`
                                        )->tag( `Text`
                                            )->a( n = `id`   v = `Size`
                                            )->a( n = `text` v = client->_bind( size )
                                        )->tag( `Text`
                                            )->a( n = `id`    v = `Size2`
                                            )->a( n = `class` v = `sapUiTinyMarginBegin`
                                            )->a( n = `text`  v = client->_bind( measurement )

                                    )->end(
                                    )->tag( `Link`
                                        )->a( n = `press` v = client->_event( `EDIT_STEP_3` )
                                        )->a( n = `text`  v = `Edit`

                                )->end(
                            )->end(
                            )->ele( n = `SimpleForm` ns = `form`
                                )->a( n = `title`    v = `4. Pricing`
                                )->a( n = `editable` v = `false`
                                )->a( n = `layout`   v = `ResponsiveGridLayout`

                                )->ele( n = `content` ns = `form`
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Price`
                                    )->tag( `Text`
                                        )->a( n = `id`   v = `ProductPriceChosen`
                                        )->a( n = `text` v = client->_bind( productprice )
                                    )->tag( `Label`
                                        )->a( n = `text` v = `Discount Group`
                                    )->tag( `Text`
                                        )->a( n = `id`   v = `DiscountGroupChosen`
                                        )->a( n = `text` v = client->_bind( discountgroup )
                                    )->tag( `Label`
                                        )->a( n = `text` v = `VAT Included`
                                    )->tag( `Text`
                                        )->a( n = `id`   v = `ProductVATChosen`
                                        )->a( n = `text` v = client->_bind( productvat )
                                    )->tag( `Link`
                                        )->a( n = `press` v = client->_event( `EDIT_STEP_4` )
                                        )->a( n = `text`  v = `Edit`

                                )->end(
                            )->end(
                        )->end(
                    )->end(
                )->end(

                )->ele( n = `footer` ns = `f`
                    )->ele( `OverflowToolbar`
                        )->tag( `ToolbarSpacer`
                        )->tag( `Button`
                            )->a( n = `text`    v = `Previous Step`
                            )->a( n = `visible` v = v_back
                            )->a( n = `press`   v = client->_event( `DIALOG_BACK` )
                        )->tag( `Button`
                            )->a( n = `text`    v = `Next Step`
                            )->a( n = `type`    v = `Emphasized`
                            )->a( n = `enabled` v = client->_bind( next_enabled )
                            )->a( n = `visible` v = v_next
                            )->a( n = `press`   v = client->_event( `DIALOG_NEXT` )
                        )->tag( `Button`
                            )->a( n = `text`    v = `Review`
                            )->a( n = `type`    v = `Emphasized`
                            )->a( n = `visible` v = v_rev
                            )->a( n = `press`   v = client->_event( `DIALOG_NEXT` )
                        )->tag( `Button`
                            )->a( n = `text`    v = `Finish`
                            )->a( n = `type`    v = `Emphasized`
                            )->a( n = `visible` v = v_fin
                            )->a( n = `press`   v = client->_event( `WIZARD_SUBMIT` )
                        )->tag( `Button`
                            )->a( n = `text`  v = `Cancel`
                            )->a( n = `type`  v = `Transparent`
                            )->a( n = `press` v = client->_event( `WIZARD_CANCEL` )

                    )->end(
                )->end(
            )->end(
        )->end( ).

    client->popup_display( popup->stringify( ) ).

  ENDMETHOD.


  METHOD on_event.

    CASE client->get_event( ).

      WHEN `OPEN_DIALOG`.
        popup_wizard_display( ).

      WHEN `NAVIGATION_CHANGE`.
        " handleNavigationChange: the selected step becomes the new index
        DATA(step_title) = client->get_event_arg( ).
        CASE step_title.
          WHEN `Product Type`.
            step_index = 0.
          WHEN `Product Information`.
            step_index = 1.
          WHEN `Optional Information`.
            step_index = 2.
          WHEN `Pricing`.
            step_index = 3.
          WHEN `Review page`.
            step_index = 4.
        ENDCASE.

      WHEN `SET_PRODUCT_TYPE`.
        " setProductTypeFromSegmented also validates step 1, which is already
        " validated="true" in the view

      WHEN `ADDITIONAL_INFO`.
        info_validate( ).

      WHEN `OPTIONAL_ACTIVATE`.
        client->message_toast_display( `This event is fired on activate of Step3.` ).

      WHEN `DIALOG_NEXT`.
        step_goto( step_index + 1 ).

      WHEN `DIALOG_BACK`.
        step_goto( step_index - 1 ).

      WHEN `EDIT_STEP_1`.
        step_goto( 0 ).

      WHEN `EDIT_STEP_2`.
        step_goto( 1 ).

      WHEN `EDIT_STEP_3`.
        step_goto( 2 ).

      WHEN `EDIT_STEP_4`.
        step_goto( 3 ).

      WHEN `WIZARD_CANCEL`.
        client->message_box_display( text    = `Are you sure you want to cancel your report?`
                                     type    = `warning`
                                     actions = VALUE #( ( `YES` ) ( `NO` ) )
                                     onclose = `WIZARD_CLOSED` ).

      WHEN `WIZARD_SUBMIT`.
        client->message_box_display( text    = `Are you sure you want to submit your report?`
                                     type    = `confirm`
                                     actions = VALUE #( ( `YES` ) ( `NO` ) )
                                     onclose = `WIZARD_CLOSED` ).

      WHEN `WIZARD_CLOSED`.
        " _handleMessageBoxOpen: YES discards the progress, closes the dialog and
        " resets the model to the initial oData
        IF client->get_event_arg( ) = `YES`.
          client->follow_up_action( val   = client->cs_event-control_by_id
                                    t_arg = VALUE #( ( `CreateProductWizard` ) ( `discardProgress` ) ( `ProductTypeStep` ) ) ).
          model_init( ).
          client->popup_destroy( ).
        ENDIF.

    ENDCASE.

  ENDMETHOD.


  METHOD step_goto.

    " goToStep( steps[ index ], true ) - Wizard.currentStep is an ASSOCIATION and
    " cannot be bound, so the navigation goes through the control_by_id call the
    " framework whitelists for exactly this (app 101 idiom)
    DATA(steps) = VALUE string_table( ( `ProductTypeStep` ) ( `ProductInfoStep` )
                                      ( `OptionalInfoStep` ) ( `PricingStep` ) ( `ReviewPage` ) ).
    IF index >= 0 AND index < lines( steps ).
      step_index   = index.
      current_step = steps[ index + 1 ].
      client->follow_up_action( val   = client->cs_event-control_by_id
                                t_arg = VALUE #( ( `CreateProductWizard` ) ( `goToStep` ) ( current_step ) ( `true` ) ) ).
    ENDIF.

  ENDMETHOD.


  METHOD info_validate.

    " additionalInfoValidation: a name of at least six characters and a numeric
    " weight; both drive their value state, the step's validated flag and the
    " Next button
    DATA(name_ok)   = xsdbool( strlen( productname ) >= 6 ).
    DATA(weight_ok) = xsdbool( productweight IS NOT INITIAL AND productweight CO `0123456789.` ).

    productnamestate   = COND #( WHEN name_ok   = abap_true THEN `None` ELSE `Error` ).
    productweightstate = COND #( WHEN weight_ok = abap_true THEN `None` ELSE `Error` ).

    step2_validated = xsdbool( name_ok = abap_true AND weight_ok = abap_true ).
    next_enabled    = step2_validated.

    IF step2_validated = abap_false AND step_index > 1.
      " setCurrentStep( ProductInfoStep ) - the wizard stays on the invalid step
      step_goto( 1 ).
    ENDIF.

  ENDMETHOD.


  METHOD model_init.

    " the controller's oData seed
    productnamestate   = `Error`.
    productweightstate = `Error`.
    producttype         = `Mobile`.
    availabilitytype    = `In store`.
    productvat          = abap_false.
    measurement          = ``.
    productmanufacturer = `N/A`.
    productdescription  = `N/A`.
    size                 = `N/A`.
    productprice        = `N/A`.
    manufacturingdate   = `N/A`.
    discountgroup       = ``.
    productname         = ``.
    productweight       = ``.
    step2_validated      = abap_false.
    next_enabled         = abap_true.
    step_index           = 0.
    current_step         = `ProductTypeStep`.

  ENDMETHOD.

ENDCLASS.