Rearranging rows by drag-and-drop

I have a program that, at one point, uses a JTable (presenting the meta-data of a group of fields) with draggable columns that control the order in which the fields are presented on another screen.
It's been a few years since I was even in that part of the code. And inded, a few years since I've tinkered with a JTable at all.
Is there a way (short of subclassing and re-implementing large portions of JTable) to make the rows of a JTable rearrangable by dragging and dropping?

[url http://java.sun.com/docs/books/tutorial/uiswing/dnd/intro.html#complex]Extending Default DnD Support

Similar Messages

Multi-row "Drag and Drop" works for some users, not others

      Background: We are working on Win7 SP1 clients, Project Prof. 2010, SP2
      A couple of users have reported that they cannot move ("drag") multiple selected rows in a task sheet, only a single row at a time. Other MS Project users around them (and myself) can move multiple rows with the "Drag"
feature. "Drag and Drop" is selected in the "Options/Advanced" section of both their local global template and the Enterprise Global.
     To my knowledge, the multiple row selections contain no collapsed summary tasks, in case that might be an issue.
     I'm suspecting some Windows setting is amiss on the offending clients, but wanted to see if anyone else had seen this behavior before in Project Prof. 2010.
     Thanks!
JTC
JAckson T. Cole, PMP, MCITP

    Thanks for the response, Shiva!
    User community is on MS Project 2010 (14.0.7011.1000) SP2, MSO (14.0.7128.1000)
    To reproduce the problem, MS Project user will select multiple task rows by selecting first row, then holding MB1, and "sliding" to the last row desired. The problem manifests itself by NOT turning the cursor into the "four-arrow cross"
after selection is accomplished. If only one row is selected, the ability to move that row alone is available.
     Again, only a couple of users (that have called me!) are seeing it. Their officemates are not having an issue.
     FYI ...
JTC
JAckson T. Cole, PMP, MCITP

Reordering of rows - issue with drag and drop of editable columns in table

JDeveloper: 11.1.1.6.0
ADF Faces - Drag and Drop for reordering of rows within the same af:table
I have a requirement for reordering rows in a table using drag and drop. This table is loaded using a list and I am able to programmatically do the reordering of the rows based on the events of drag and drop by manipulating the list. Reordering of rows is working fine if all the columns are read only. For all the input text and input date columns the values are not getting reordered. Anyone has any idea on what the issue may be with reordering of the rows for editable columns/rows (af:inputText and af:inputDate) in af:table. Below is what Iam doing on drop event which is a collection drop target.
public DnDAction dropCollection(DropEvent dropEvent) {
try
Object dropSite = dropEvent.getDropSite();
Transferable transferable = dropEvent.getTransferable();
DataFlavor<RowKeySet> rowKeySetFlavor = DataFlavor.getDataFlavor(RowKeySet.class, "rowmove");
RowKeySet rowKeySet = transferable.getData(rowKeySetFlavor);
RichTable table = (RichTable) dropEvent.getDragComponent();
if (rowKeySet != null)
CollectionModel dragModel = transferable.getData(CollectionModel.class);
Object dragM = dragModel.getRowData(0);
Object currKey = rowKeySet.iterator().next();
dragModel.setRowKey(currKey);
table.setRowKey(currKey);
OrderData orderData = (OrderData)this.prodReportTableData.get(Integer.parseInt(currKey.toString()));
this.prodReportTableData.remove(Integer.parseInt(currKey.toString()));
this.prodReportTableData.add(Integer.parseInt(dropSite.toString()), orderData);
OrderData orderDataAdded = this.prodReportTableData.get(Integer.parseInt(dropSite.toString()));
JSFUtils.addPartialTarget(this.getProdReportTableBinding());
catch(Exception e)
e.printStackTrace();
return DnDAction.MOVE;
Code snippet from UI:
<af:table value="#{pageFlowScope.prodReportBackingBean.prodReportTableData}"
var="row" styleClass="AFStretchWidth" rowBandingInterval="0"
rows="40" emptyText="No data to display." id="t1"
partialTriggers=":::cb1" columnStretching="column:c3"
binding="#{pageFlowScope.prodReportBackingBean.prodReportTableBinding}" summary="PROD TABLE">
<af:dragSource actions="MOVE" defaultAction="MOVE"
discriminant="rowmove"
dragDropEndListener="#{pageFlowScope.prodReportBackingBean.afterDragAndDrop}"/>
<af:collectionDropTarget dropListener="#{pageFlowScope.prodReportBackingBean.dropCollection}"
actions="MOVE"
modelName="rowmove"/>

Hi,
not sure its the reason but you have huge bummer in your configuration.
<af:table value="#{pageFlowScope.prodReportBackingBean.prodReportTableData}"
var="row" styleClass="AFStretchWidth" rowBandingInterval="0"
rows="40" emptyText="No data to display." id="t1"
partialTriggers=":::cb1" columnStretching="column:c3"
*binding="#{pageFlowScope.prodReportBackingBean.prodReportTableBinding}"* summary="PROD TABLE">
JSF component bindings should not be to beans in a scope larger than request to avoid stale component instances.
Frank

Drag and Drop rows between tables in JSP

I have to convert a swing application into a web project. One of the screens in my swing application uses drag and drop of records between two tables. The key is that when one of the rows is picked and dropped in the other table values get allocated to each column accordingly. I need to bring this functionality into a JSP. There is no constraint on using Javascripts. Please help me asap.
Regards,
KK

Yes it is possible, but not so easy. If you'll be at OOW this year, you can come to my session (S301752, Monday 13:00-14:00) - I will show something similar there. If you're not so lucky, you can read the excellent blogpost of my colleague at [http://rutgerderuiter.blogspot.com/2008/07/drag-planboard.html]
Cheers
Roel

Drag and Drop Characteristic to Rows in QD

I am trying to drag and drop ship-to characteristic from infoprovider pane to the rows pane in query designer but the system is restricting me from doing that, but I can move other characterisitcs from other dimensions and drop them in the rows area. Only ship-to is the problem. Have I accidentally pressed some key or what? The "ship-to party" was provided as filter in the characteristics restriction section as a variable with manual input, so I removed it as a filter thinking that might be causing some problems but still no success. Any help would be appreciated.

LMAO..You are so right, I knew it would be something simple, but it usually takes an hour or two for my brain to warm up before I can start thinking and functioning.
Thanks, bro..points awarded!

Moving Rows in ADF Table Using Drag and Drop

I implemented a drag and drop functionality it works fine, I want to accomplish the following functionality:
The user selects the rows and what if he drags the selected rows and wants to move to section beyond the limit of the table I want to scroll the table in the direction the user is dragging.
I think it should be a default behavior in the ADF table but it doesn't, could you please anyone tell me how to scroll the table while dragging the selected rows?
Thank you,

What make you think that this is a default behavior?
Adf tables a data bound. So the data appears in an order (mostly defined by a sort condition on the db).
Even if you implement this behavior (which is possible but hard to do) you loose the new order by the next round trip to the db.
You may try to use trinidad tables but then you don't have the drag & drop featur (I guess).
Timo

Drag and Drop; What row is my drop positon (ADF 11g)

Hello!
I have a request for an drag and drop - site. First a test the technic with the examples in the web - great feature, but by my request i have one great problem.
facts:
two pannels, in all pannels are one af:table with different data controls
- in the first pannel/table (source) i defined on a column a client attribute and the attributeDragSource
- in the second pannel/table (goal) i defined on a PanelGroupLayout (surround a column) the dropTarget (inclusive dataFlavor)
I definied a session-scope class and write the methode "public DnDAction handleItemDrop(DropEvent dropEvent)"
Till then its work sucessful - the methode will be called and the transfer data can be read.
problem:
- I need the row for the drop position (for manual queuing).
- I have found the component, the id of the component, the x and y - position of the drop.
- A try with the current row of the IteratorBinding what returned the last marked row in the table, not the drop-position.
I need a key (at best the value of a row.binding.Value) of the drop position in the table.
Any idea - a simple code example?
Harald

Hi!
My problem was not the correct component ... this information was already available, my problem was the correct row in the component.
In the meantime I have found a result, i not sure it´s the best, but it works.
    public DnDAction handleItemDrop(DropEvent dropEvent) {
        System.out.println("demo1.java - handleItemDrop");
        try {
            DataFlavor<Number> d = DataFlavor.getDataFlavor(Number.class);
            //get drag Value
            Number dragValue = dropEvent.getTransferable().getData(d);
            if (dragValue == null)
                return DnDAction.NONE;
            else {
                // get the current record
                ELContext elContext = FacesContext.getCurrentInstance().getELContext();
                // creating value expression with the help of the expression factory and the ELContext
                System.out.println("Component/Id of the drop value:"+dropEvent.getDropComponent().getId());
                System.out.println("Value of the drop value (PK of the row):"+dropEvent.getDropComponent().getValueExpression("value").getValue(elContext));
                // and now work with the available data
                return DnDAction.COPY;
        } catch (Exception ex) {
            System.out.println("item drop failed with : " + ex.getMessage());
            return DnDAction.NONE;
    }

Drag and drop row within same table.

Version 12.1.2
I am trying to implement drag and drop row within same table, and I am trying to follow this sample from Frank:
http://www.oracle.com/technetwork/developer-tools/adf/learnmore/106-reorder-table-rows-1921121.pdf
But, I am getting this cast exception. The code I have in my dropEvent bean is identical to whats on the sample.
oracle.jbo.server.ViewRowImpl cannot be cast to oracle.jbo.uicli.binding.JUCtrlHierNodeBinding
ADF_FACES-60097:For more information, please see the server's error log for an entry beginning with: ADF_FACES-60096:Server Exception during PPR, #1
Not sure if anything has changed on 12c release, or if I am missing anything.
Here is my complete code:
public DnDAction doDnD(DropEvent dropEvent) {
RichTable table = (RichTable) dropEvent.getDragComponent();
List dropRowKey = (List) dropEvent.getDropSite();
if (dropRowKey == null) {
return DnDAction.NONE;
Transferable t = dropEvent.getTransferable();
DataFlavor<RowKeySet> df = DataFlavor.getDataFlavor(RowKeySet.class, "rowmove");
RowKeySet rks = t.getData(df);
Iterator iter = rks.iterator();
List draggedRowKey = (List) iter.next();
JUCtrlHierNodeBinding draggeRowNode = (JUCtrlHierNodeBinding) table.getRowData(draggedRowKey);
Row dragRow = draggeRowNode.getRow();
JUCtrlHierNodeBinding dropRowObject = (JUCtrlHierNodeBinding) table.getRowData(dropRowKey);
Row dropRow = dropRowObject.getRow();
//get the table's ADF JUCtrlHierBinding
CollectionModel collectionModel = (CollectionModel) table.getValue();
JUCtrlHierBinding treeBinding = (JUCtrlHierBinding) collectionModel.getWrappedData();
DCIteratorBinding objectsIterator = treeBinding.getDCIteratorBinding();
RowSetIterator rsi = objectsIterator.getRowSetIterator();
int indexOfDropRow = rsi.getRangeIndexOf(dropRow);
dragRow.removeAndRetain();
rsi.insertRowAtRangeIndex(indexOfDropRow, dragRow);
objectsIterator.setCurrentRowIndexInRange(indexOfDropRow);
AdfFacesContext adfctx = AdfFacesContext.getCurrentInstance();
adfctx.addPartialTarget(table.getParent());
return DnDAction.MOVE;
It does not seem to like this line of code:
JUCtrlHierNodeBinding draggeRowNode = (JUCtrlHierNodeBinding) table.getRowData(draggedRowKey);
I would greatly appreciate any help.
Thanks.

Well there has bee a changes somehow. using 12c
table.getRowData(draggedRowKey);
returns a ViewRowImpl and no longer anything which can be convertet to JUCtrlHierNodeBinding. Anyway, the fix is easy:
    public DnDAction onDepartmentsRowDrop(DropEvent dropEvent) {
        //get the table instance. This information is later used
        //to determine the tree binding and the iterator binding
        RichTable table = (RichTable) dropEvent.getDragComponent();
        List dropRowKey = (List) dropEvent.getDropSite();
        //if no dropsite then drop area was not a data area
        if (dropRowKey == null) {
            return DnDAction.NONE;
        //The transferable is the payload that contains the dragged row's
        //row key that we use to access the dragged row handle in the ADF
        //iterator binding
        Transferable t = dropEvent.getTransferable();
        //get the row key set of the dragged row. The "rowmove" string is the
        //discriminant defined on the drag source and the collectionDrop target.
        DataFlavor<RowKeySet> df = DataFlavor.getDataFlavor(RowKeySet.class, "rowmove");
        RowKeySet rks = t.getData(df);
        Iterator iter = rks.iterator();
        //for this use case the re-order of rows is one-by-one, which means that the rowKeySet
        //should only contain a single entry. If it contains more then still we only look at a
        //singe (first) row key entry
        List draggedRowKey = (List) iter.next();
        //get access to the oracle.jbo.Row instance represneting this table row
        Object objdragg = table.getRowData(draggedRowKey);
        Row dragRow = (Row) objdragg;
        Object objdrop = table.getRowData(dropRowKey);
        Row dropRow = (Row) objdrop;
        //get the table's ADF JUCtrlHierBinding
        CollectionModel collectionModel = (CollectionModel) table.getValue();
        JUCtrlHierBinding treeBinding = (JUCtrlHierBinding) collectionModel.getWrappedData();
        //get access to the ADF iterator binding used by the table and the underlying RowSetIterator.
        //The RowSetIterator allows us to remove and re-instert the dragged row
        DCIteratorBinding departmentsIterator = treeBinding.getDCIteratorBinding();
        RowSetIterator rsi = departmentsIterator.getRowSetIterator();
        int indexOfDropRow = rsi.getRangeIndexOf(dropRow);
        //remove dragged row from collection so it can be added back
        dragRow.removeAndRetain();
        rsi.insertRowAtRangeIndex(indexOfDropRow, dragRow);
        //make row current in ADF iterator.
        departmentsIterator.setCurrentRowIndexInRange(indexOfDropRow);
        //ppr the table
        AdfFacesContext adfctx = AdfFacesContext.getCurrentInstance();
        //note that the refresh of the table didn't work when refreshing the table
        //so I needed to refresh the container component (af:panelStretchLayout).
        adfctx.addPartialTarget(table.getParent());
        return DnDAction.MOVE;
does the trick. I changed the line to
//get access to the oracle.jbo.Row instance represneting this table row
        Object objdragg = table.getRowData(draggedRowKey);
        Row dragRow = (Row) objdragg;
so you don't need the detour through the JUCtrlHierNodeBinding any longer.
Timo

Drag and drop ALV Row

HI All,
My requirement is that " user should be able to drag and drop one row position to another row position( example: if the user select row 2 and drag and drop it to row5 then the row 2 should move to the row 5 ).
Can anybody knows how to achieve this functionality in WD application
Thanks & Regards,
Ruchi Tiwari

hi ,
refer Thomas quote in the thread :
Re: Drag And Drop
on NetWeaver 7.0 Enhancement Package 1. On this release we have a DragSourceInfo UI element:
http://help.sap.com/saphelp_nw70ehp1/helpdata/en/47/e0a9f17e483c84e10000000a42189c/frameset.htm
and a DropTargetInfo UI element:
http://help.sap.com/saphelp_nw70ehp1/helpdata/en/47/e0aa477e483c84e10000000a42189c/frameset.htm
We also have the DropTarget UI element:
http://help.sap.com/saphelp_nw70ehp1/helpdata/en/e4/a9f9a9b52742d3b0c43b6c671b8f60/frameset.htm
and an onDrop event built into several of the standard UI elements. These new events and new UI elements make Drag and Drop possible. For an overview on Drag and Drop in WDA, read this link:
http://help.sap.com/saphelp_nw70ehp1/helpdata/en/a5/bf47414eca430794189fbb5919cc2f/frameset.htm
refer the standard WD component WDR_TEST_DRAG_AND_DROP .
regards,
amit
Edited by: amit saini on Jan 15, 2010 5:13 AM

How to Drag and Drop mutliple rows in the jtable

hai
i am having a jtree ,in which i added many nodes,each nodes hav
corresponding jtable with values. now i need to drag a group of rows from a jtable of particular node in jtree to another node.
at the same time i am possible to drag and drop the single row in the same sceanrio which i mentioned above.
how to do this,can anyone pls help me regarding this
goutham

The Swing tutorial on [url http://java.sun.com/docs/books/tutorial/uiswing/misc/dnd.html]How to Use Drag and Drop has an example with JTable support.

MULTIPLE-ROW drag and drop between 2 ALV grids

Hi,
Can anybody help me with acheiving MULTIPLE-ROW drag and drop functionality between 2 ALV grids.

hi Prakash,
Actually I'm trying to develop multiple drag and drop between 2 ALV's. To understand the events properly, I started working on this sample program where it uses 1 ALV and splits it into 2 and uses single row drag and drop between them. Now I'm making it to work for multiple drag and drop, so that I can use it on my application. This is the code which I'm working on..
*& Report Z_ALV_GRID_CONTROLS_DRAG_DROP                               *
REPORT z_alv_grid_controls_drag_drop.
DATA   : i_ztransactions TYPE TABLE OF ztransactions
                               WITH HEADER LINE.
DATA   : i_ztransactions2 TYPE TABLE OF ztransactions
                               WITH HEADER LINE.
DATA   : ok_code LIKE sy-ucomm .
DATA : mcontainer TYPE REF TO cl_gui_custom_container .
DATA : mcontleft TYPE REF TO cl_gui_container .
DATA : mcontright TYPE REF TO cl_gui_container .
DATA : msplitcont TYPE REF TO
                        cl_gui_easy_splitter_container .
DATA : malv_left TYPE REF TO cl_gui_alv_grid .
DATA : malv_right TYPE REF TO cl_gui_alv_grid .
DATA : mrow TYPE lvc_s_row .
DATA : gt_outtab_source TYPE ztransactions.
DATA : gt_outtab_target TYPE ztransactions.
DATA : g_repid LIKE sy-repid.
DATA:   gs_layout TYPE lvc_s_layo ,
        g_behaviour_alv TYPE REF TO cl_dragdrop .
DATA : mlines TYPE i .
      CLASS lcl_dragdropobj DEFINITION
This is the Class of Drag Drop Object .
This Object is used as a temporary storage means
of the information extracted with drag
CLASS lcl_dragdropobj DEFINITION.
PUBLIC SECTION.
    DATA: i_ztransactions TYPE ztransactions ,
          index TYPE i ,
          original_table(5) TYPE c ,
          proceed_trans(1) TYPE c .
ENDCLASS.                    "lcl_dragdropobj DEFINITION
DATA : mdata TYPE REF TO lcl_dragdropobj .
      CLASS DND_TOOLS DEFINITION
This class contains the methods responding to the
events ONDRAG , ONDROP , ONDROPCOMPLETE
of the ALV Grid Controls
CLASS dnd_tools DEFINITION .
PUBLIC SECTION .
   METHODS:handle_user_command
                           FOR EVENT user_command OF
                           cl_gui_alv_grid
                           IMPORTING
                           e_ucomm.
    METHODS : handle_drag_from_left
                         FOR EVENT ondrag OF
                          cl_gui_alv_grid
                          IMPORTING
                          e_row
                          e_dragdropobj .
    METHODS : handle_dropcomplete_from_left
                          FOR EVENT ondropcomplete OF
                          cl_gui_alv_grid
                          IMPORTING
                          e_row
                          e_dragdropobj .
    METHODS : handle_drag_from_right
                          FOR EVENT ondrag OF
                          cl_gui_alv_grid
                          IMPORTING
                          e_row
                          e_dragdropobj .
    METHODS : handle_dropcomplete_from_right
                          FOR EVENT ondropcomplete OF
                          cl_gui_alv_grid
                          IMPORTING
                          e_row
                          e_dragdropobj .
    METHODS : handle_drop_to_left
                          FOR EVENT ondrop OF
                          cl_gui_alv_grid
                          IMPORTING
                           e_dragdropobj .
    METHODS : handle_drop_to_right
                          FOR EVENT ondrop OF
                          cl_gui_alv_grid
                          IMPORTING
                          e_dragdropobj .
ENDCLASS .                    "DND_TOOLS DEFINITION
      CLASS DND_TOOLS IMPLEMENTATION
CLASS dnd_tools IMPLEMENTATION .
METHOD handle_drag_from_left .
METHOD handle_user_command.
   DATA: lt_rows TYPE lvc_t_row.
    DATA: lt_rows TYPE lvc_t_roid.
    DATA: lt_row TYPE lvc_s_roid.
    DATA: mdata TYPE REF TO lcl_dragdropobj .
    DATA: dragdropobj TYPE REF TO lcl_dragdropobj .
get selected row
    CALL METHOD malv_left->get_selected_rows
      IMPORTING
        et_row_no = lt_rows.
    CALL METHOD cl_gui_cfw=>flush.
    IF sy-subrc NE 0.
add your handling, for example
      CALL FUNCTION 'POPUP_TO_INFORM'
        EXPORTING
          titel = g_repid
          txt2 = sy-subrc
          txt1 = 'Error in Flush'(500).
    ENDIF.
    CREATE OBJECT mdata.
    LOOP AT lt_rows INTO lt_row.
     mrow = lt_row .
      READ TABLE i_ztransactions INDEX lt_row-row_id INTO
                 i_ztransactions.
      MOVE i_ztransactions TO mdata->i_ztransactions .
      MOVE lt_row-row_id TO mdata->index.
      MOVE 'LEFT' TO mdata->original_table .
      e_dragdropobj->object = mdata .
    ENDLOOP.
ENDMETHOD.                           "handle_user_command
METHOD handle_dropcomplete_from_left .
NB : the following data object MDATA is local to
the method and contains the information from the
import parameter of the method E_DRAGDROPOBJ
    DATA : mdata TYPE REF TO lcl_dragdropobj .
    DATA: lt_rows TYPE lvc_t_roid.
    DATA: lt_row TYPE lvc_s_roid.
    CALL METHOD malv_left->get_selected_rows
      IMPORTING
        et_row_no = lt_rows.
    CALL METHOD cl_gui_cfw=>flush.
    IF sy-subrc NE 0.
add your handling, for example
      CALL FUNCTION 'POPUP_TO_INFORM'
        EXPORTING
          titel = g_repid
          txt2 = sy-subrc
          txt1 = 'Error in Flush'(500).
    ENDIF.
    LOOP AT lt_rows INTO lt_row.
      mdata ?= e_dragdropobj->object .
      CHECK mdata->proceed_trans = 'X' .
      mrow = mdata->index.
      DELETE i_ztransactions INDEX mrow .
      APPEND mdata->i_ztransactions TO i_ztransactions2 .
      SORT i_ztransactions2 BY kunnr belnr .
      DELETE i_ztransactions2 WHERE kunnr IS INITIAL .
      DESCRIBE TABLE i_ztransactions LINES mlines .
      IF mlines EQ 0 .
        CLEAR i_ztransactions .
        APPEND i_ztransactions TO i_ztransactions .
      ENDIF .
    ENDLOOP.
    CALL METHOD malv_left->refresh_table_display.
    CALL METHOD malv_right->refresh_table_display.
ENDMETHOD .                    "HANDLE_DROPCOMPLETE_FROM_LEFT
METHOD handle_drag_from_right.
    mrow = e_row-index .
    READ TABLE i_ztransactions2 INDEX mrow INTO
               i_ztransactions2 .
    CREATE OBJECT mdata .
    MOVE i_ztransactions2 TO mdata->i_ztransactions .
    MOVE mrow TO mdata->index .
    MOVE 'RIGHT' TO mdata->original_table .
    e_dragdropobj->object = mdata .
ENDMETHOD .                    "HANDLE_DRAG_FROM_RIGHT
METHOD handle_dropcomplete_from_right .
    DATA : mdata TYPE REF TO lcl_dragdropobj .
    mdata ?= e_dragdropobj->object .
    CHECK mdata->proceed_trans = 'X' .
    mrow = mdata->index .
    DELETE i_ztransactions2 INDEX mrow .
    APPEND mdata->i_ztransactions TO i_ztransactions .
    SORT i_ztransactions BY kunnr belnr .
    DELETE i_ztransactions WHERE kunnr IS INITIAL .
    DESCRIBE TABLE i_ztransactions2 LINES mlines .
    IF mlines EQ 0 .
      CLEAR i_ztransactions2 .
      APPEND i_ztransactions2 TO i_ztransactions2 .
    ENDIF .
    CALL METHOD malv_left->refresh_table_display.
    CALL METHOD malv_right->refresh_table_display.
ENDMETHOD .                    "HANDLE_DROPCOMPLETE_FROM_RIGHT
METHOD handle_drop_to_left .
    DATA : mdata TYPE REF TO lcl_dragdropobj .
    mdata ?= e_dragdropobj->object .
    IF mdata->original_table = 'RIGHT' .
      mdata->proceed_trans = 'X' .
    ELSE .
      mdata->proceed_trans = ' ' .
    ENDIF .
    e_dragdropobj->object = mdata .
ENDMETHOD .                    "HANDLE_DROP_TO_LEFT
METHOD handle_drop_to_right .
    DATA : mdata TYPE REF TO lcl_dragdropobj .
    DATA: lt_rows TYPE lvc_t_roid.
    DATA: lt_row TYPE lvc_s_roid.
    CALL METHOD malv_left->get_selected_rows
      IMPORTING
        et_row_no = lt_rows.
    CALL METHOD cl_gui_cfw=>flush.
    IF sy-subrc NE 0.
add your handling, for example
      CALL FUNCTION 'POPUP_TO_INFORM'
        EXPORTING
          titel = g_repid
          txt2 = sy-subrc
          txt1 = 'Error in Flush'(500).
    ENDIF.
    LOOP AT lt_rows INTO lt_row.
      mdata ?= e_dragdropobj->object .
      IF mdata->original_table = 'LEFT' .
        mdata->proceed_trans = 'X' .
      ELSE .
        mdata->proceed_trans = ' ' .
      ENDIF .
      e_dragdropobj->object = mdata .
    ENDLOOP.
ENDMETHOD .                    "HANDLE_DROP_TO_RIGHT
ENDCLASS .                    "DND_TOOLS IMPLEMENTATION
DATA : mlistener TYPE REF TO dnd_tools .
======================================================
START OF SELECTION
======================================================
START-OF-SELECTION .
PERFORM get_data .
CALL SCREEN 100 .
The screen 100 has the custom control MCONTAINER and
on the flow logic has the following modules :
PROCESS BEFORE OUTPUT.
MODULE STATUS_0100.
MODULE PREPARE_SCREEN .
PROCESS AFTER INPUT.
MODULE USER_COMMAND_0100.
(Off course not commented out in the real flow logic)
      FORM GET_DATA                                 *
FOR THIS EXAMPLE THE DATA SELECTION IS HARD CODED
FORM get_data .
CLEAR : i_ztransactions , i_ztransactions[] .
i_ztransactions-mandt = sy-mandt .
i_ztransactions-waers = 'EUR ' .
i_ztransactions-kunnr = '0000000001' .
i_ztransactions-belnr = '0000000001' .
i_ztransactions-bldat = '20030101' .
i_ztransactions-dmbtr = '1000' .
APPEND i_ztransactions .
i_ztransactions-belnr = '0000000002' .
i_ztransactions-bldat = '20030202' .
i_ztransactions-dmbtr = '1010' .
APPEND i_ztransactions .
i_ztransactions-belnr = '0000000003' .
i_ztransactions-bldat = '20030323' .
i_ztransactions-dmbtr = '1020' .
APPEND i_ztransactions .
i_ztransactions-belnr = '0000000004' .
i_ztransactions-bldat = '20030404' .
i_ztransactions-dmbtr = '1030' .
APPEND i_ztransactions .
i_ztransactions-belnr = '0000000005' .
i_ztransactions-bldat = '20030505' .
i_ztransactions-dmbtr = '1040' .
APPEND i_ztransactions .
i_ztransactions-belnr = '0000000006' .
i_ztransactions-bldat = '20030606' .
i_ztransactions-dmbtr = '1050' .
APPEND i_ztransactions .
i_ztransactions-belnr = '0000000007' .
i_ztransactions-bldat = '20030707' .
i_ztransactions-dmbtr = '1060' .
APPEND i_ztransactions .
i_ztransactions-belnr = '0000000008' .
i_ztransactions-bldat = '20030808' .
i_ztransactions-dmbtr = '1070' .
APPEND i_ztransactions .
i_ztransactions-belnr = '0000000009' .
i_ztransactions-bldat = '20030909' .
i_ztransactions-dmbtr = '1080' .
APPEND i_ztransactions .
i_ztransactions-belnr = '0000000010' .
i_ztransactions-bldat = '20031010' .
i_ztransactions-dmbtr = '1090' .
APPEND i_ztransactions .
CLEAR : i_ztransactions2 , i_ztransactions2[] .
APPEND i_ztransactions2 .
ENDFORM .                    "GET_DATA
*&      Module STATUS_0100 OUTPUT
The PF STATUS STATUS100 called from the module below,
has on the Standard toolbar the buttons
BACK , EXIT and CANCEL .
These buttons are provided with function code = 'EXIT'
MODULE status_0100 OUTPUT.
SET TITLEBAR 'TITLEDRAGDROP' .
SET PF-STATUS 'STATUS100'.
ENDMODULE.                 " STATUS_0100 OUTPUT
     Module USER_COMMAND_0100 INPUT
The following module checks the User Command and ends
the program
MODULE user_command_0100 INPUT.
IF ok_code = 'EXIT' .
    CLEAR : mcontainer ,
           mcontleft ,
           mcontright ,
           msplitcont ,
           malv_left ,
           malv_right .
    LEAVE TO SCREEN 0 .
ENDIF .
ENDMODULE.                 " USER_COMMAND_0100 INPUT
*&      Module PREPARE_SCREEN OUTPUT
MODULE prepare_screen OUTPUT.
IF mcontainer IS INITIAL .
    CREATE OBJECT mcontainer
                  EXPORTING
                  container_name = 'MCONTAINER' .
    CREATE OBJECT msplitcont
                  EXPORTING
                  parent = mcontainer
                  orientation = 1 .
    mcontleft = msplitcont->top_left_container .
    mcontright = msplitcont->bottom_right_container .
    CREATE OBJECT malv_left
                  EXPORTING i_parent = mcontleft .
    gs_layout-sel_mode = 'D'.
    CREATE OBJECT malv_right
                  EXPORTING i_parent = mcontright .
    gs_layout-sel_mode = 'D'.
    PERFORM set_layout_capable_of_drag_dro
                  USING 'X' 'X' .
    CALL METHOD malv_left->set_table_for_first_display
      EXPORTING
        i_structure_name = 'ZTRANSACTIONS'
        is_layout        = gs_layout
      CHANGING
        it_outtab        = i_ztransactions[].
    CALL METHOD malv_right->set_table_for_first_display
      EXPORTING
        i_structure_name = 'ZTRANSACTIONS'
        is_layout        = gs_layout
      CHANGING
        it_outtab        = i_ztransactions2[].
    CREATE OBJECT mlistener .
    CALL METHOD malv_left->set_toolbar_interactive.
    SET HANDLER mlistener->handle_drag_from_left
                FOR malv_left .
    SET HANDLER mlistener->handle_dropcomplete_from_left
                FOR malv_left .
    SET HANDLER mlistener->handle_drag_from_right
                FOR malv_right.
    SET HANDLER mlistener->handle_dropcomplete_from_right
                  FOR malv_right .
    SET HANDLER mlistener->handle_drop_to_right
                 FOR malv_right .
    SET HANDLER mlistener->handle_drop_to_left
                 FOR malv_left .
ENDIF .
ENDMODULE.                 " PREPARE_SCREEN OUTPUT
      Form SET_LAYOUT_CAPABLE_OF_DRAG_DRO
Definition of a Drag & Drop behaviour for the ALV
grid
FORM set_layout_capable_of_drag_dro USING drag drop.
DATA : effect TYPE i ,
         handle_alv TYPE i .
CREATE OBJECT g_behaviour_alv.
effect = cl_dragdrop=>move + cl_dragdrop=>copy .
CALL METHOD g_behaviour_alv->add
    EXPORTING
      flavor     = 'Line'
      dragsrc    = drag
      droptarget = drop
      effect     = effect.
CALL METHOD g_behaviour_alv->get_handle
    IMPORTING
      handle = handle_alv.
gs_layout-s_dragdrop-row_ddid = handle_alv.
ENDFORM.              " SET_LAYOUT_CAPABLE_OF_DRAG_DRO

Stationary rows in a drag and drop AdvancedDataGrid

I have an AdvancedDataGrid that has drag-and-drop capabilities. The one caveat is that I don't want to be able to move the first or last rows in the grid. So if a user tries to drag one of these rows it is disallowed or if a user tries to drop another row into the first or last row it is disallowed. Does anyone know how I would do this?
Thanks

Found the answer
private function dragDropHandler(event:DragEvent):void{
                var dropTarget:AdvancedDataGrid = AdvancedDataGrid(event.currentTarget);
                var index:int = dropTarget.calculateDropIndex(event);
                if( index == 0 || index == event.currentTarget.dataProvider.length -1){
                    event.preventDefault();
                    event.stopImmediatePropagation();

Cannot drag and drop in my playlist to rearrange the song order???

I have created a playlist in my iTunes 10 and all I want to do is change the order up a bit, so that all the same artists are not lumped together. Help says I should be able to just drag and drop to reorder my songs in the play list. However, it won't let me do it. What am I missing?

By re-arranging the windows, this appears to work.
i.e. left window to right window.

After updating to 3.6.18, I am unable to drag and drop my tabs to rearrange them.

I just ran an auto update for both Firefox and Flash. After restarting FF, I have not been able to drag and drop my tabs anymore. If I attempt to, the thumbnail of the tab flashes briefly before disappearing, and the arrow showing where the tab would be going never appears.

I have to agree, a once rapid firefox is now an absolute pain, I have scanned the computer with Malware bites and AVG nothing found..anybody got the fix?

Why does not drag and drop work?!

Hello,
I am trying to implent a drag and drop from a table to an icon representing a trash.
The drop handler fails in converting the selected rows to a list:
com.sun.el.MethodExpressionImpl@87d9c00d javax.el.ELException: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List
Could you help me to understand why? Below are the details.
This is the af:table:
<af:table var="row" rowBandingInterval="0" id="t1"
value="#{bindings.MyView1.collectionModel}"
rowSelection="multiple"
columnStretching="last"
horizontalGridVisible="false"
verticalGridVisible="false" fetchSize="-1"
autoHeightRows="6" width="190"
disableColumnReordering="true">
<af:column sortable="true" headerText="Entry" id="c1"
align="start">
<af:outputText value="#{row.Description}" id="ot1"/>
</af:column>
<af:dragSource actions="MOVE" defaultAction="MOVE"
discriminant="delete"/>
</af:table>
This is the drop area:
<af:image source="Images/empty_trash_32.png" id="i2">
<af:dropTarget dropListener="#{backingBeanScope.DropHandlerBean.dropHandler}"
actions="MOVE">
<af:dataFlavor flavorClass="org.apache.myfaces.trinidad.model.RowKeySet"
discriminant="delete"/>
</af:dropTarget>
</af:image>
This is the failing listener listener (the failing point is bold):
public DnDAction dropHandler(DropEvent dropEvent) {
DnDAction dnda = DnDAction.NONE;
if (dropEvent.getProposedAction() == DnDAction.MOVE) { // delete
RichTable table = (RichTable)dropEvent.getDragComponent();
//determine the rows that are dragged over
Transferable t = dropEvent.getTransferable();
//when looking for data, use the same discriminator as defined
//on the drag source
DataFlavor<RowKeySet> df =
DataFlavor.getDataFlavor(RowKeySet.class, "delete");
RowKeySet rks = t.getData(df);
if (rks == null) {
return DnDAction.NONE;
Iterator iter = rks.iterator();
while (iter.hasNext()) {
//get next selected row key
System.out.println(rks.toArray().length); // the number of selected rows is ok
List key = (List)iter.next(); // here gives: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List
//make row current so we can access it
table.setRowKey(key);
//the table model represents its row by the ADF binding class,
//which is JUCtrlHierNodeBinding
JUCtrlHierNodeBinding rowBinding =
(JUCtrlHierNodeBinding)table.getRowData();
Row row = (Row)rowBinding.getRow();
//delete row;
row.remove();
//activate animation
dnda = DnDAction.MOVE;
return dnda;
thanks.

I did try, I obtained this:
java.lang.NullPointerException
Why NullPointerException?
I don't know if this helps, but consider that the collection model comes from a ViewObject built on three EOs with many fields, although the table only shows one column.
This is the Iterator in my pageDef:
<table IterBinding="MyView1Iterator" id="MyView1">
<AttrNames>
<Item Value="Cod1"/>
<Item Value="Cod2"/>
<Item Value="Cod3"/>
<Item Value="Cod4"/>
<Item Value="Description"/>
<Item Value="Cod5"/>
</AttrNames>
</table>
Any idea?
I will see the Key content with the debugger.

Rearranging rows by drag-and-drop

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