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

Star-Dust · Dec 29, 2018

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:

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.
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
It is still in beta version, presents problems in large grids.
~~Now only for~~ ~~B4A and B4i~~ Now for B4A,B4i,B4j
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: 0.45

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

List/Spinner

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

Star-Dust · Jun 18, 2021

Update 0.14

Fix Bugs
Method name change: From ClearRow to ClearRows

Star-Dust · Jun 20, 2021

ANNOUNCEMENT

With the next (or one of the next) update you can change the number of columns from code .... ?

Peter Simpson · Jun 20, 2021

Star-Dust said:
ANNOUNCEMENT

What an excellent addition S ?

epiCode · Jun 25, 2021

@Star-Dust great lib !!!

Some questions for you
Is it possible ...
1. to hide columns? (not delete - we can refer to them programmatically but they are not displayed)
2. for Grid to be opened as read only - except checkbox should respond to user inputs
3. for Row header to be invisible
4. for cell to expand on double tap and resize when focus is moved to another cell

Star-Dust · Jun 28, 2021

Update rel 0.15

Added HeaderFont property to change the header font
Added example to post # 2 on how to populate the grid from a db

Star-Dust · Jun 29, 2021

Update rel. 0.16

Added SetColsNumber method. Allows you to set the number of columns by code. When the number of columns is set, the grid will be cleared.

Star-Dust · Jun 29, 2021

mohsyn said:
@Star-Dust great lib !!!

Some questions for you
Is it possible ...
1. to hide columns? (not delete - we can refer to them programmatically but they are not displayed)
2. for Grid to be opened as read only - except checkbox should respond to user inputs
3. for Row header to be invisible
4. for cell to expand on double tap and resize when focus is moved to another cell

You can set the column width to 0dip and it will be invisible
I'm not sure I understand what you want
You can do it from Design
I don't understand what it's for. In B4A and B4J you can edit in an enlarged box with the EditCell command

qle · Jun 30, 2021

Hi,
Great library, Thanks, (donated)

i have one issue, and that it seems last row is not added

B4X:

      .
    FlexGrid1.ColsName=Array As String("Size","Qty")
    FlexGrid1.ColsWidth=Array As Int(50dip,48dip)
    FlexGrid1.ColsType=Array As Int(FlexGrid1.TypeString,FlexGrid1.TypeString)
    FlexGrid1.ColsAlignment=Array As String("RIGHT","LEFT")
    FlexGrid1.SetColCustomize(0,xui.Color_Black  ,xui.Color_RGB(255,255,255),xui.CreateDefaultFont(14))
    FlexGrid1.SetColCustomize(0,xui.Color_Blue   ,xui.Color_RGB(255,255,255),xui.CreateDefaultFont(14))

    For i=1 To 100
        Log("adding: B" &i&", "&i)
        FlexGrid1.AddRow(Array As Object("B" &i&" "," "&i),True)
    Next

log shows 'adding: B100, 100'
grid last row shows only 99

Lee.

Star-Dust · Jun 30, 2021

I guess you're talking about B4A.
Download update 0.16 again and you shouldn't have the problem

qle · Jun 30, 2021

Hi,
Sorry, yes B4A
I had already installed 0.16,

i have now done it again to make sure, still no change

Adding 10 rows

B4X:

    For i=1 To 10
        Log("adding: B" &i&", "&i)
        FlexGrid1.AddRow(Array As Object("B" &i&" "," "&i),True)
    Next

it shows

But, if i add the FlexGrid1_CellClick, and tap a cell, then the last row appears
I have attached my test project

Note: The version in the SD_FlexGrid.xml is still 15 (but the FlexGrid1.SetColsNumber now exists)
<version>0.15</version>
<author>Star-Dust</author>

Lee

Star-Dust · Jun 30, 2021

Sorry I sent an old version by mistake. Now I have renamed it to 0.17. I think you have no problems this way

qle · Jul 1, 2021

Hi,
Thank you, that fixed the issue.

I now have another problem trying to use SetRowCustomize

If i use

B4X:

     FlexGrid1.SetRowCustomize(0,xui.Color_Blue,xui.Color_LightGray,xui.CreateDefaultFont(14))

I get error


   java.lang.ClassCastException: anywheresoftware.b4a.objects.ActivityWrapper$AllViewsIterator cannot be cast to android.view.View

Lee.

Star-Dust · Jul 1, 2021

qle said:
Hi,
Thank you, that fixed the issue.

I now have another problem trying to use SetRowCustomize

If i use

B4X:

FlexGrid1.SetRowCustomize(0,xui.Color_Blue,xui.Color_LightGray,xui.CreateDefaultFont(14))

I get error java.lang.ClassCastException: anywheresoftware.b4a.objects.ActivityWrapper$AllViewsIterator cannot be cast to android.view.View

Lee.

I tried your code and it didn't raise the error you report to me. Can you post another example where this error reproduces?

It could be an error with your source, because the error indicates that you are trying to assign a list to a View.

qle · Jul 1, 2021

Hi,
In the code.. did you un-remark the line?

Lee.

Star-Dust · Jul 1, 2021

Update rel 0.18

fixbugs of SetRowCustomize

qle · Jul 1, 2021

Perfect..
Thank you..

epiCode · Jul 1, 2021

I was asking if whole table can be set to "read only" with only exception of columns which have checkboxes

Star-Dust said:
I don't understand what it's for. In B4A and B4J you can edit in an enlarged box with the EditCell command

Ability to view full content of a cell by clicking on it (it zooms up) and goes back to normal when clicked elsewhere (focus lost)

Star-Dust · Jul 1, 2021

mohsyn said:
I was asking if whole table can be set to "read only" with only exception of columns which have checkboxes

Basically they are all read-only except the CkecBox.

To make them editable, you must insert the editing activation in the Click or LongClick event with the EditCellonsite or EditCell command. But if you do not enter it all remain read-only

B4X:

Sub FlexGrid1_CellClick(Row As Int, Col As Int)
    If Col=0 Then
        FlexGrid1.SelectRow(Row)
    Else
        Select FlexGrid1.GetTypeCol(Col)
            Case FlexGrid1.TypeInt
                 ' edit cell
                FlexGrid1.EditCellonsite(Row,Col) '   <--------------- Delete this line
            Case FlexGrid1.TypeString
                 ' edit cell
                FlexGrid1.EditCellonsite(Row,Col) '   <--------------- Delete this line
        End Select
    End If
End Sub

or

B4X:

Sub FlexGrid1_CellClick(Row As Int, Col As Int)
         FlexGrid1.SelectRow(Row)
End Sub

mohsyn said:
Ability to view full content of a cell by clicking on it (it zooms up) and goes back to normal when clicked elsewhere (focus lost)

This function don't exists

Star-Dust · Jul 5, 2021

IMPORTANT UPDATE

Update 0.19

Add method AddRowCustomize (Cell As Object(), Text_Color As Int, Background_Color As Int, TextFont As B4XFont, Refresh As Boolean) As String
Adds a row with custom graphics formatting
Add method 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 you set exactly as true it will search for the box that contains exactly that expression if set to false it will check if the expression is contained in the box

Example AddRowCustomize

B4X:

Dim B As boolean = False For i=11 To 100 B=Not(B) If b Then FlexGrid1.AddRowCustomize(Array As Object("B" & i,i,B,"User " & i,Null,Rnd(50,1000)/10),xui.Color_Black,0xFFFFFFFF,xui.CreateDefaultFont(16),True) Else FlexGrid1.AddRowCustomize(Array As Object("B" & i,i,B,"User " & i,Null,Rnd(50,1000)/10),xui.Color_Black,0xFF44FF44,xui.CreateDefaultFont(16),True) End If Next

Example SearchInColumn

B4X:

Dim rw As Int = FlexGrid1.SearchInColumn("User 10",3,0,True,True) If rw>-1 Then FlexGrid1.SelectCell(rw,3,False) Log("Find :" & rw)

Star-Dust · Jul 6, 2021

In the future I plan to insert the following methods:

SearchInAllColumn: To search all columns
FilterView: To display only the lines that correspond to certain parameters described in the filter, for example display only the lines where there is a certain text

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

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