Implement client data update

BBjGridExWidget.bbj

@@ -154,7 +154,7 @@ class public BBjGridExWidget extends BBjWidget
     rem  */
     field public BBjString GroupColumnLabel$ = "Group"
     rem /**
-    rem  * Set the default grouping footer getter expression 
+    rem  * Set the default grouping footer getter expression
     rem  *
     rem  * @RequiresRefresh
     rem  */
@@ -367,7 +367,7 @@ class public BBjGridExWidget extends BBjWidget
     field private ResultSet RS!
     field private BBjString URL$
     field private DataTree TREE!
-    field private BBjString RowNodeId$
+    field private BBjString RowNodeId$ = "__ROW_INDEX"
     field private BBjString ParentNodeId$
     field private DataRow ColumnDefinition!
     field public  DataRow AttributesRecord!
@@ -582,6 +582,90 @@ class public BBjGridExWidget extends BBjWidget
         #setData(rs! , RowNodeId$)
     methodend
     rem /**
+    rem  * Set new rows into the grid
+    rem  *
+    rem  * @param ResultSet: the com.basiscomponents.db.ResultSet with the data
+    rem  */
+    method public void setRowsData(ResultSet rs!)
+        #RS! = rs!
+
+        if #AttributesRecord! <> NULL() AND rs! <> NULL() AND rs!.size() >0 then
+            rem TODO: use the new method of components as soon as implemented
+            rem https://github.com/BasisHub/components/issues/87
+            r1! = rs!.getItem(0)
+            ar! = #AttributesRecord!
+            it! = r1!.getFieldNames().iterator()
+            while it!.hasNext()
+                f$ = it!.next()
+
+                if ar!.contains(f$) then
+                    r1!.setFieldAttributes(f$,ar!.getFieldAttributes(f$))
+                fi
+            wend
+        fi
+
+        if #ColumnDefinition! <> NULL() AND rs! <> NULL() AND rs!.size() >0 then
+            r1! = rs!.getItem(0)
+            ar! = #ColumnDefinition!
+            it! = r1!.getFieldNames().iterator()
+            while it!.hasNext()
+                f$ = it!.next()
+
+                if ar!.contains(f$) then
+                    r1!.setFieldAttributes(f$,ar!.getFieldAttributes(f$))
+                fi
+            wend
+        fi
+
+        #TREE! = null()
+        #URL$=""
+        #SelectedRowsMap!.clear()
+
+        if com.basiscomponents.VersionInfo.getComponentsBuildTimeMillis() > 1529907740051 then
+            data$=#RS!.toJson(BBjAPI.TRUE,"__ROW_INDEX")
+        else
+            data$=#RS!.toJson(BBjAPI.TRUE)
+        fi
+
+        #executeScript("gw_setRowsData(" + data$+ ")")
+    methodend
+    rem /**
+    rem  * Clear row data (Empty the grid )
+    rem  */
+    method public void clearRowsData()
+        #RS! = new ResultSet()
+        #TREE! = null()
+        #URL$=""
+        #SelectedRowsMap!.clear()
+        #executeScript("gw_setRowsData([])")
+    methodend
+    rem /**
+    rem  * Update row data
+    rem  *
+    rem  * @param BBjNumber: row index
+    rem  * @param DataRow: DataRow object which contains the update
+    rem  */
+    method public void setRowData(BBjNumber index!,DataRow row!)
+        if #RS!.count() <> 0 then
+            #RS!.setItem(index!,row!)
+            row!.setFieldValue("__ROW_INDEX",str(index!))
+            #executeScript("gw_setRowData(" + row!.toJson()  +")")
+        fi
+    methodend
+    rem /**
+    rem  * Remove row from grid by index
+    rem  *
+    rem  * @param BBjNumber: row index
+    rem  */
+    method public void removeRow(BBjNumber index!)
+        if #RS!.count() <> 0 then
+            #RS!.remove(index!)
+            #executeScript("gw_removeRow(" + str(index!)  +")")
+            rem print #RS!.getItem(index!)
+            rem escape
+        fi
+    methodend
+    rem /**
     rem  * add a column to the grid
     rem  * @param BBjString field$: the field name that matches the ResultSet
     rem  * @param BBjString label$: the column header

Demo/DataUpdateDemo.bbj

@@ -0,0 +1,103 @@
+use ::BBjGridExWidget/BBjGridExWidget.bbj::BBjGridExWidget
+use com.basiscomponents.bc.SqlQueryBC
+use java.sql.Types
+
+? 'HIDE'
+
+declare auto BBjTopLevelWindow wnd!
+declare auto BBjListButton lb_db!
+declare auto BBjListButton lb_tbl!
+declare auto BBjToolButton btn_fit!
+declare BBjGridExWidget grid!
+
+x=0
+y=0
+w=800
+h=600
+
+wnd! = BBjAPI().openSysGui("X0").addWindow(10,10,800,600,"BBj Grid Ex Demo")
+grid! = new BBjGridExWidget(wnd!,100,x,y,w,h-50)
+wnd!        .setCallback(BBjAPI.ON_CLOSE,"byebye")
+wnd!        .setCallback(BBjAPI.ON_RESIZE,"resize")
+
+grid!.setCallback(grid!.ON_GRID_SELECT_ROW(),"onRowSelect")
+
+restoreOrginial! = wnd!.addButton(200,10,h-38,150,25,"Restore Original ResultSet")
+restoreOrginial!.setCallback(BBjAPI.ON_BUTTON_PUSH,"restoreOrginialRS")
+
+updateResultSet! = wnd!.addButton(201,160,h-38,150,25,"Set New ResultSet")
+updateResultSet!.setCallback(BBjAPI.ON_BUTTON_PUSH,"setNewRS")
+
+updateFirstRow! = wnd!.addButton(202,310,h-38,100,25,"Update First Row")
+updateFirstRow!.setCallback(BBjAPI.ON_BUTTON_PUSH,"updateFirstRow")
+
+removeFirstRow! = wnd!.addButton(203,410,h-38,100,25,"Remove First Row")
+removeFirstRow!.setCallback(BBjAPI.ON_BUTTON_PUSH,"removeFirstRow")
+
+clearRowsData! = wnd!.addButton(204,510,h-38,100,25,"Clear Rows")
+clearRowsData!.setCallback(BBjAPI.ON_BUTTON_PUSH,"clearRowsData")
+
+gosub fillGrid
+
+process_events
+
+fillGrid:
+    sbc! = new SqlQueryBC(BBjAPI().getJDBCConnection("CDStore"))
+    rs! = sbc!.retrieve("SELECT * FROM CDINVENTORY ")
+    grid!.setData(rs!,"CDNUMBER")
+return
+
+restoreOrginialRS:
+    sbc! = new SqlQueryBC(BBjAPI().getJDBCConnection("CDStore"))
+    rs! = sbc!.retrieve("SELECT * FROM CDINVENTORY ")
+    grid!.setRowsData(rs!)
+return 
+
+setNewRS:
+    sbc! = new SqlQueryBC(BBjAPI().getJDBCConnection("CDStore"))
+    rs! = sbc!.retrieve("SELECT TOP 5 * FROM CDINVENTORY ")
+    grid!.setRowsData(rs!)
+return
+
+updateFirstRow:
+    row! = rs!.getItem(0)
+    row!.setFieldValue("TITLE","My New Title")
+    row!.setFieldValue("ARTIST","My New ARTIST")
+    grid!.setRowData(0 , row!)
+return
+
+removeFirstRow:
+    grid!.removeRow(0)
+return
+
+clearRowsData:
+    grid!.clearRowsData()
+return
+
+onRowSelect: 
+    ev! = BBjAPI().getLastEvent()
+    ev! = ev!.getObject()
+
+    sel! =  grid!.getSelectedRows()
+
+    if INFO(3,6)="5" then
+      a = msgbox(ev!.getNewSelectedRows().toString(), 0, "Selection")
+    else
+      print 'SHOW', 
+      print ev!.getRowCount(), " ROW(s) AFFECTED By Event:" , ev!.getChangedRows()
+      print ev!.getSelectedRowCount()," ROW(S) SELECTED By Event: ",ev!.getNewSelectedRows()
+      print ev!.getDeselectedRowCount()," ROW(S) DESELECTED By Event: ",ev!.getNewDeselectedRows()
+      print ev!.getSelectedRows().size()," ROW(S) NOW SELECTED : ", ev!.getSelectedRows()
+      print  "------------------------------------------------------------------------"
+    fi
+return 
+
+resize:
+    ev! = BBjAPI().getLastEvent()
+    w=ev!.getWidth()
+    h=ev!.getHeight()
+    grid!.setSize(w,h-80)
+return
+
+byebye:
+bye