Data loss feature

src/z2ui5_cl_demo_app_000.clas.abap

@@ -227,6 +227,13 @@ CLASS z2ui5_cl_demo_app_000 IMPLEMENTATION.
             class     = 'sapUiTinyMarginEnd sapUiTinyMarginBottom'
         ).
 
+        panel->generic_tile(
+           header = `Data Loss Protection`
+           press  =  client->_event( 'z2ui5_cl_demo_app_279' )
+           mode   = 'LineMode'
+           class  = 'sapUiTinyMarginEnd sapUiTinyMarginBottom'
+       ).
+
         panel = page->panel(
              expandable = abap_false
              expanded   = abap_true

src/z2ui5_cl_demo_app_279.clas.abap

@@ -0,0 +1,133 @@
+CLASS z2ui5_cl_demo_app_279 DEFINITION
+  PUBLIC
+  FINAL
+  CREATE PUBLIC .
+
+  PUBLIC SECTION.
+
+    INTERFACES if_serializable_object .
+    INTERFACES z2ui5_if_app .
+
+    DATA text_input TYPE string .
+    DATA dirty TYPE abap_bool.
+
+  PRIVATE SECTION.
+    DATA client TYPE REF TO z2ui5_if_client.
+    DATA initialized TYPE abap_bool.
+
+    METHODS display_view.
+    METHODS on_event.
+    METHODS render_popup.
+
+ENDCLASS.
+
+
+
+CLASS z2ui5_cl_demo_app_279 IMPLEMENTATION.
+
+
+  METHOD display_view.
+
+    DATA(page) = z2ui5_cl_xml_view=>factory(
+                   )->shell(
+                   )->page(
+                      title          = 'abap2UI5 - data loss protection'
+                      navbuttonpress = client->_event( 'BACK' )
+                      shownavbutton  = xsdbool( client->get( )-s_draft-id_prev_app_stack IS NOT INITIAL ) ).
+
+    DATA(box) = page->flex_box( direction = `Row` alignitems = `Start` class = 'sapUiTinyMargin' ).
+
+    box->input(
+      id          = `input`
+      value       = client->_bind_edit( text_input )
+      submit      = client->_event( 'submit' )
+      width       = `40rem`
+      placeholder = `Enter data, submit and navigate back to trigger data loss protection` ).
+
+    box->info_label(
+      text        = 'dirty'
+      colorscheme = '8'
+      icon        = 'sap-icon://message-success'
+      class       = `sapUiSmallMarginBegin sapUiTinyMarginTop`
+      visible     = client->_bind( dirty ) ).
+
+    box->button(
+      text    = 'Reset'
+      press   = client->_event( 'reset' )
+      class   = `sapUiSmallMarginBegin`
+      visible = client->_bind( dirty ) ).
+
+    page->_z2ui5( )->focus( focusid = `input` ).
+
+*    page->_z2ui5( )->dirty( dirty ).
+    page->_z2ui5( )->dirty( client->_bind( dirty ) ).
+*    page->_z2ui5( )->dirty(  '{= $' &&  client->_bind_Edit( text_input ) && ' !== "" }' ).
+
+    client->view_display( page->stringify( ) ).
+
+  ENDMETHOD.
+
+
+  METHOD on_event.
+
+    CASE client->get( )-event.
+      WHEN 'BACK'.
+        IF text_input IS NOT INITIAL.
+          render_popup( ).
+        ELSE.
+          client->nav_app_leave( ).
+        ENDIF.
+      WHEN 'submit'.
+        dirty = xsdbool( text_input IS NOT INITIAL ).
+      WHEN 'reset'.
+        CLEAR:
+          dirty,
+          text_input.
+      WHEN 'popup_decide_cancel'.
+        CLEAR: dirty.
+        client->popup_destroy( ).
+        client->nav_app_leave( ).
+      WHEN 'popup_decide_continue'.
+        client->popup_destroy( ).
+    ENDCASE.
+
+  ENDMETHOD.
+
+
+  METHOD render_popup.
+
+    DATA(popup) = z2ui5_cl_xml_view=>factory_popup( ).
+    popup->dialog( title = 'Warning' icon = 'sap-icon://status-critical'
+        )->vbox(
+            )->text( text = 'Your entries will be lost when you leave this page.'
+                     class ='sapUiSmallMargin'
+        )->get_parent(
+        )->buttons(
+            )->button(
+                text  = 'Leave Page'
+                type  = 'Emphasized'
+                press = client->_event( 'popup_decide_cancel' )
+            )->button(
+                text  = 'Cancel'
+                press = client->_event( 'popup_decide_continue' ) ).
+
+    client->popup_display( popup->stringify( ) ).
+
+  ENDMETHOD.
+
+
+  METHOD z2ui5_if_app~main.
+
+    me->client = client.
+
+    on_event( ).
+
+    IF initialized = abap_false.
+      initialized = abap_true.
+      display_view( ).
+    ELSE.
+      client->view_model_update( ).
+    ENDIF.
+
+  ENDMETHOD.
+ENDCLASS.

src/z2ui5_cl_demo_app_279.clas.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<abapGit version="v1.0.0" serializer="LCL_OBJECT_CLAS" serializer_version="v1.0.0">
+ <asx:abap xmlns:asx="http://www.sap.com/abapxml" version="1.0">
+  <asx:values>
+   <VSEOCLASS>
+    <CLSNAME>Z2UI5_CL_DEMO_APP_279</CLSNAME>
+    <LANGU>E</LANGU>
+    <DESCRIPT>Data loss protection</DESCRIPT>
+    <STATE>1</STATE>
+    <CLSCCINCL>X</CLSCCINCL>
+    <FIXPT>X</FIXPT>
+    <UNICODE>X</UNICODE>
+   </VSEOCLASS>
+  </asx:values>
+ </asx:abap>
+</abapGit>