B4J Library [B4X] [XUI] SD FlexGrid (Table)

I created a new library to show a table (or grid) similar to the one in EXCEL.

There are already excellent classes that allow many to accomplish things, such as xCustomListView by @Erel (B4X) and with the FlexibleTable by @klaus (B4A). I wanted to make something slightly different suited to my needs.

WARNING
The use of libraries for personal and / or commercial use is permitted. It is not allowed to modify the sources or change the name of the library. Reverse engineering is not authorized to access the sources for any reason, not even for study or learning reasons.

Explanations:
  1. To get the calculation of the cells that contain a formula I have added Erel's B4XEval to my Library, but as soon as possible I will make it external so that everyone can modify it according to their needs.
  2. To select multiple cells, position yourself on the first cell of those to be selected (the one at the top left) click a shot and then click again and drag your finger to cover all the cells (or area) that you want to select
  3. It is still in beta version, presents problems in large grids.
  4. Now only for B4A and B4i Now for B4A,B4i,B4j
  5. In the example to select a group of cells just long click on a cell (not checkbox). In the case of B4J click with the right mouse button

SD_FlexGrid

Author: Star-Dust
Version: 0.46
  • Eval
    version 2.00
    Eval Method By Erel: https://www.b4x.com/android/forum/threads/b4x-eval-expressions-evaluator.54629/
    • Fields:
      • Error As Boolean
    • Functions:
      • Calculate (Expression As String) As Double
      • Class_Globals As String
      • Initialize (FG As FlexGrid) As String
      • IsInitialized As Boolean
        Verifica se l'oggetto sia stato inizializzato.
  • FlexGrid
    • Events:
      • CellClick (Row As Int, Col As Int)
      • CellLongClick (Row As Int, Col As Int)
      • FeetClick (Index As Int)
      • HeadClick (Index As Int)
      • Modified (Row As Int, Col As Int)
      • ScrollX (Position As Double)
      • ScrollY (Position As Double)
    • Fields:
      • EditBackgroundColor As Int
      • EditTextColor As Int
      • TypeButton As Int
      • TypeCheck As Int
      • TypeDouble As Int
      • TypeFloat As Int
      • TypeImage As Int
      • TypeInt As Int
      • TypeList As Int
      • TypeString As Int
    • Functions:
      • AddRow (Cell As Object(), Refresh As Boolean) As String
        eg. Flexgrid.AddRow(Array As Object(i,B,"User ","Description " ,100.00), True)
      • AddRow2 (Cell As Object(), HeightRow As Int, Refresh As Boolean) As String
        eg. Flexgrid.AddRow(Array As Object(i,B,"User ","Description " ,100.00),40dip,True)
      • AddRowAt (index As Int, Cell As Object(), Refresh As Boolean) As String
        eg. Flexgrid.AddRow(2,Array As Object(i,B,"User ","Description " ,100.00), True)
      • AddRowCustomize (Cell As Object(), Text_Color As Int, Background_Color As Int, TextFont As B4XFont, Refresh As Boolean) As String
      • AddToParent (Parent As B4XView, Left As Int, Top As Int, Width As Int, Height As Int, ColsNumber As Int) As String
        Parent is Panel to Add Grid
        eg. Flexgrid.AddToParent(Activity,0,0,100%x,100%y,5)
      • Class_Globals As String
      • ClearRows As String
        erase all rows contents
      • ClearSelection As String
        cell no longer be selected.
      • DesignerCreateView (Base As Object, Lbl As Label, Props As Map) As String
        Base type must be Object
      • EditCell (Row As Int, Col As Int) As String
        eg. Flexgrid.EditCell(1,1)
      • EditCellOnSite (Row As Int, Col As Int) As String
        eg. Flexgrid.EditCell(1,1)
      • GetCellBackgroundColor (Row As Int, Col As Int) As Int
      • GetCellCol (Col As Int) As Object()
        eg. Dim S() as String = Flexgrid.GetCellCol(1)
        eg. Dim B() as Boolean = Flexgrid.GetCellCol(2)
      • GetCellRow (Row As Int) As Object()
        eg Dim Row() as Object = Flexgrid.GetCellRow(1)
      • GetCellTextColor (Row As Int, Col As Int) As Int
      • GetCellTextFont (Row As Int, Col As Int) As B4XFont
      • GetCellValue (Row As Int, Col As Int) As Object
        eg. Dim I as int = Flexgrid.GetCellValue(1,1)
        eg. Dim S as String = FlexGrid.GetCellValue(2,2)
      • GetTypeCol (Col As Int) As Int
        eg. If Flexgrid.GetTypeCol(1)=Flexgrid.TypeInt Then .....
      • Initialize (Callback As Object, EventName As String) As String
      • Invalidate As String
      • IsInitialized As Boolean
        Verifica se l'oggetto sia stato inizializzato.
      • RemoveRow (Row As Int) As String
        Row (0...n-1)
        eg. Flexgrid.RemoveRow(1)
      • ResetCustomizeCell (Col As Int, Row As Int) As String
        eg. Flexgrid.ResetCustomizeCell(1,1)
      • SearchInColumn (Text As String, Col As Int, FromRow As Int, exactly As Boolean, IgnoreCap As Boolean) As Int
        Search for text in the indicated column starting from the start row.
        If the start row is 0 it will check the entire column.
        It will return the position of the line containing the text
        <code>Dim Col As Int = 5
        Dim Row As Int = FlexGied1.SearchInColumn("My text",Col,0, False, True)
        if Row>-1 then Log("Find in row " & Row) Else log("Don't find")
        </code>
      • SearchInColumn2 (Text As String, Col As Int, FromRow As Int, exactly As Boolean, IgnoreCap As Boolean) As List
        Search for text in the indicated column starting from the start row.
        If the start row is 0 it will check the entire column.
        It will return the list of position of the line containing the text
        <code>Dim Col As Int = 5
        Dim IndexFinded As List = FlexGied1.SearchInColumn2("My text",Col,0, False, True)
        if IndexFinded.Size>0 then Log("Find in row " & Row) Else log("Don't find")
        </code>
      • SelectCell (Row As Int, Col As Int, Mobile As Boolean) As String
        eg. Flexgrid.SelectCell(1,1,True)
        If Mobile is True, the selectable area can be enlarged by touching and dragging it to the desired box.
      • SelectCells (FromRow As Int, FromCol As Int, ToRow As Int, ToCol As Int, Mobile As Boolean) As String
        eg. Flexgrid.SelectCell(1,1,5,4,True)
        If Mobile is True, the selectable area can be enlarged by touching and dragging it to the desired box.
      • SelectCol (Col As Int) As String
        eg. Flexgrid.SelectCol(1)
      • SelectRow (Row As Int) As String
        eg. Flexgrid.SelectRow(1)
      • SetCellCustomize (Row As Int, Col As Int, Text_Color As Int, Background_Color As Int, TextFont As B4XFont) As String
        eg. Flexgrid.SetCellCustomize(1,1,XUI.Color_Black,XUI.Color_White,XUi.CreateDefaultFont(12))
      • SetCellListIndex (Row As Int, Col As Int, Index As Int) As String
      • SetCellValue (Row As Int, Col As Int, Value As Object) As String
        eg. Flexgrid.SetCellValue(1,1,True)
        eg. Flexgrid.SetCellValue(2,2,"OK")
        eg. Flexgrid.SetCellValue(3,3,3)
        eg. Flexgrid.SetCellValue(Row,Col,"A,B,C,D,E") for TypeList
      • SetColAlignment (ColumnIndex As Int, Alignment As String) As String
        Index (0..n-1)
        eg. SetColAlignment(0,"CENTER")
      • SetColCustomize (Col As Int, Text_Color As Int, Background_Color As Int, TextFont As B4XFont) As String
        eg. Flexgrid.SetColCistomize(1,XUI.Color_Black,XUI.Color_White,XUi.CreateDefaultFont(12))
      • SetColName (ColumnIndex As Int, Name As String) As String
        Index (0..n-1)
        eg. Flexgrid.SetColName(1,"Help")
      • SetColsNumber (ColumnNumber As Int) As String
        Reset Grid and Change Cols Number
      • SetColType (ColumnIndex As Int, Typ As Int) As String
        Index (0..n-1)
        eg. SetColType(0,FlexGrid.TypeInt)
      • SetColWidth (ColumnIndex As Int, Width As Int) As String
        Index (0..n-1)
        eg. SetColWidth(0,100dip)
      • SetDataRow (Row As Int, Cell As Object()) As String
        eg. Flexgrid.SetRow(Row,Array As Object(i,B,"User ","Description " ,100.00))
      • SetDataRow2 (Row As Int, Cell As Object(), HeightRow As Int) As String
        eg. Flexgrid.SetRow2(Row,Array As Object(i,B,"User ","Description " ,100.00),40dip)
      • SetFeetHeight (Height As Int) As String
        Set Header Height
      • setFootColValue (col As Int, Fv As String) As String
        eg. Flexgrid.FeetValue=array As String ("First","Second")
      • setHeaderAlignment (Col As Int, Alignment As String) As String
        eg. Flexgrid.HeaderAlignment="CENTER"
      • SetHeadHeight (Height As Int) As String
        Set Header Height
      • SetPadding (Left As Int, Top As Int, Right As Int, Bottom As Int) As String
        eg. FlexGrid1.SetPadding(10dip,0,10dip,0)
      • SetRowCustomize (Row As Int, Text_Color As Int, Background_Color As Int, TextFont As B4XFont) As String
        eg. Flexgrid.SetRowCustomize(1,XUI.Color_Black,XUI.Color_White,XUi.CreateDefaultFont(12))
      • SetRowHeight (IndexRow As Int, Height As Int) As String
        IndexRow (0..Size-1)
        eg. setRowHeight(0,60dip)
      • SetRowsHeight (Height As Int) As String
        Set all Rows Height
      • SetSingleLine (SLine As Boolean) As String
        To set the cells to single or multiple lines
      • SortForCol (Column As Int) As String
    • Properties:
      • Base As B4XView [read only]
      • ColCount As Int [read only]
      • ColorSelectedArea
        Set the color of the selected area
      • ColorSelectingArea
        Set the color of the area during the selection phase
      • ColsAlignment
        eg. setColsAlignment(Array As String ("LEFT","CENTER","CENTER","RIGHT"))
      • ColsName As String()
        eg. Flexgrid.ColName=array As String ("First","Second")
      • ColsType
        eg. ColsType=Array As Int(FlexGrid1.TypeInt,FlexGrid1.TypeCheck,FlexGrid1.TypeString,FlexGrid1.TypeString,FlexGrid1.TypeFloat)
      • ColsWidth
        eg. SetColsWìdth(Array As Int (100dip,50dip,100dip,100dip))
      • Font
        eg. Flexgrid.Font=xui.CreateDefaultFont(12)
      • FootFont
        eg. Flexgrid.FeetFont=xui.CreateDefaultFont(12)
      • FootValue As String()
        eg. Flexgrid.FeetValue=array As String ("First","Second")
      • FootVisible
        eg. FG.FeetVisible=True
      • HeaderFont
        eg. Flexgrid.HeaderFont=xui.CreateDefaultFont(12)
      • HeaderVisible
        eg. FG.HeadVisible=True
      • Height As Int
      • RowCount As Int [read only]
        Dim Size as int = Flexgrid.RowCount
      • ScrollToCol
        eg. Flexgrid.ScroolToCol=50 (Col= 0..Size-1)
      • ScrollToRow
        eg. Flexgrid.ScroolToRow=50 (Row= 0..Size-1)
      • ScrollX As Double
      • ScrollY As Double
      • SelectedColumnEnd As Int [read only]
        return -1 if not selected
      • SelectedColumnStart As Int [read only]
        return -1 if not selected
      • SelectedRowEnd As Int [read only]
        return -1 if not selected
      • SelectedRowStart As Int [read only]
        return -1 if not selected
      • Width As Int


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For more details: https://www.b4x.com/android/forum/threads/xui-flexgrid.98686/

Significative release logs:
  • 0.12
    • Add method SelectCells (FromRow As Int, FromCol As Int, ToRow As Int, ToCol As Int, Mobile As Boolean)
    • Modify method SelectCell (Row As Int, Col As Int, Mobile As Boolean)
  • 0.15: Added HeaderFont
  • 0.16: Added SetColsNumber method.
  • 0.19 (Sample)
    • Add method AddRowCustomize (Cell As Object()
    • Add method SearchInColumn (Text As String, Col As Int, FromRow As Int, exactly As Boolean, IgnoreCap As Boolean) As Int
  • 0.21
    • Add TypeList. Allows you to add a ComboBox type box (Spinner in B4A and Picker in B4i) and select to a list
    • Added other examples to POST n. 2 To populate the grid from the database, search for a string in a column and to use TypeList in the grid
    • added SetCellListIndex method to change the position of the selected index
  • 0.25
    • Added SetHeadHeight method
      sets the height of the header
    • Added SetRowsHeight method
      sets the height of all lines
  • 0.27
    • added properties ScrollX and ScrollY
    • Added events ScrollX() and ScrollY()
  • 0.29: Fixed bugs in vertical scrolling
  • 0.31
    • Added SortForCol(Column As Int)
    • Added SetDataRow(Row As Int, Cell() As Object) and SetDataRow2(Row As Int, Cell() As Object, HeightRow As Int)
    • Added field ColorSelectedArea and ColorSelectingArea
    • Fix bug
  • 0.32
    • Added SearchInColumn2. Returns the list of search result lines
  • 0.33
    • Added setHeaderAlignment
  • 0.34
    • Added the ability to freeze the last row (foot row) as well as the header so you can enter column totals that always remain visible
    • Fix minor bugs
  • 0.35
    • Added the ability to select from Design that text cells are single or multiline
  • 0.36
    • Fix bugs: SortForCol; SetColsNumber
  • 0.37
    • Added: EditTextColor and EditBackgroundColor fields to be able to select colors for the on-site editable cell. By default it is black background and white text
  • 0.38
    • Fixed bug on CheckBox alignment
  • 0.39
    • Singleline and multiline option of the design now also affects the column header and column foot
  • 0.40
    • Added ScrollToCol (together with ScrollToRow it is possible to position in a specific cell)
  • 0.41
    • Fix bug
  • 0.42
    • Added Width and Height to change the size of the grid from code during execution
  • 0.43
    • Fixed bug on SearchInColumn2
  • 0.44
    • Added SetSingleLine - To set the cells to single or multiple lines
  • 0.45
    • Added SetPadding
  • 0.46
    • Fix bugs
  • 0.47
    • Fix Bugs
 

Attachments

Last edited:
Click to expand...
I have a problem with the FlexGrid.GetCellValue
It always returns the value of the last cell of the selected column.
 
Last edited:
Update 0.20
  • Fix bugs . Custom height row
 
Ricardo Castillo said:
I have a problem with the FlexGrid.GetCellValue
It always returns the value of the last cell of the selected column.
Click to expand...
I don't have enough information to understand what your problem is
 
Hello,
I have one doubt in your table.
Is there any feature to Hide columns?

For example, In that table I have one column named as itemnamePK, But I didn't want to show them to customer.
So I want to Hide that one column.

Any suggestion or Help?

Thanks
Praveen
 
Pravee7094 said:
Hello,
I have one doubt in your table.
Is there any feature to Hide columns?

For example, In that table I have one column named as itemnamePK, But I didn't want to show them to customer.
So I want to Hide that one column.

Any suggestion or Help?

Thanks
Praveen
Click to expand...
Set the column width to 0Dip with the SetColWidth method
 
Hello,

Can I able to modify cell value automatically?

For example:
First I just added a single row with two columns, column name is username and password.

B4X: Copy 
    Dim row(2) As Object
    row(0) = "Username"
    row(1) = "Password"
    
    if_flexgrid.AddRow(row, False)

And then I have a text field, If I enter some username in the text field and click submit, It will update or modify on the table column automatically.
I just tried this coding but not worked,

B4X: Copy 
Private Sub ip_editUsername_TextChanged (Old As String, New As String)
    is_username = New

    if_flexgrid.SetCellValue(1, 1, is_username)       

End Sub

Any suggestion or Help?

Thanks
 
Update 0.21
  • Add TypeList. Allows you to add a ComboBox type box (Spinner in B4A and Picker in B4i) and select to a list
  • Added other examples to POST n. 2 To populate the grid from the database, search for a string in a column and to use TypeList in the grid
  • added SetCellListIndex method to change the position of the selected index

Example TypeList (FG_Sample2)
B4X: Copy 
FlexGrid1.ColsName=Array As String("ID","Sel","User","Img","Digit","List")
FlexGrid1.ColsType=Array As Int(FlexGrid1.TypeInt,FlexGrid1.TypeCheck,FlexGrid1.TypeString,FlexGrid1.TypeImage,FlexGrid1.TypeFloat,FlexGrid1.TypeList)

Dim ListItem As String =  "Jan,Feb,Mar,Apr,May,June,Jul"
For i=1 To 10
        FlexGrid1.AddRow(Array As Object(i,b,"User " & i,Null,Rnd(50,1000)/10,ListItem),True)
Next
 
Last edited:
Update 0.23
  • Fix Bug
 
buongiorno, ora mi dice che manca jcore, sono un pochino imbranato ma sono all'inizio...

Impossibile trovare: C:\Program Files (x86)\Anywhere Software\Basic4android\libraries\jcore.jar
 
imagine you are hearing B4j. jcore is the base library of b4j it is not possible that it is not present otherwise you have to install b4j again.

But if i instead you are using b4a then you have the wrong version of flexGrid. you must use the android version (aSD_FlexGrid)
 
Hello,
I have one column named as "Quantity" and datatype is "Float".
Now, How to check the empty value in the quantity column?

Ex:
If we going to edit the quantity column, Just clear the all values (make empty) and click the "Done" or "Next" button in the keypad.
It Shows the below message in the "Logs" tab:
B4X: Copy 
java.lang.NumberFormatException: empty String

How to check the empty value in number format?
In mobile screen, It shows the "Yes or No" message box. If we click yes, Nothing happened. that's ok. But if we click no, it will exit from the application.

Any Suggestion?

Thanks
 
Pravee7094 said:
Hello,
I have one column named as "Quantity" and datatype is "Float".
Now, How to check the empty value in the quantity column?

Ex:
If we going to edit the quantity column, Just clear the all values (make empty) and click the "Done" or "Next" button in the keypad.
It Shows the below message in the "Logs" tab:
B4X: Copy 
java.lang.NumberFormatException: empty String

How to check the empty value in number format?
In mobile screen, It shows the "Yes or No" message box. If we click yes, Nothing happened. that's ok. But if we click no, it will exit from the application.

Any Suggestion?

Thanks
Click to expand...
I guess the problem is related to B4J where you can't select the input type
 
lelelor said:
buongiorno, ora mi dice che manca jcore, sono un pochino imbranato ma sono all'inizio...

Impossibile trovare: C:\Program Files (x86)\Anywhere Software\Basic4android\libraries\jcore.jar
Click to expand...

Tranquillo, pure io sono un pochino imbranato, anche se sono alla fine...

???
 
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