Examples with DragSourceEvent org.eclipse.swt.dnd.DragSourceEvent used on opensource projects

Example 1 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent in project tdi-studio-se by Talend.

the class DragDropManager method addDragSupport.

public void addDragSupport(final Control control, final IDragDropDelegate delegate) {
    DragSource dragSource = new DragSource(control, DND.DROP_MOVE | DND.DROP_COPY);
    dragSource.setTransfer(types);
    dragSource.addDragListener(new DragSourceAdapter() {

        @Override
        public void dragStart(DragSourceEvent event) {
            currentSelectionText = delegate.getDragItemsAsText();
            dropped = false;
        }

        @Override
        public void dragSetData(DragSourceEvent event) {
            // Get the selected items in the drag source
            event.data = currentSelectionText;
        }

        @Override
        public void dragFinished(DragSourceEvent event) {
            if (event.detail == DND.DROP_MOVE && dropped) {
                // remove selection
                delegate.removeDragItems(currentSelectionText);
            }
        }
    });
}

Example 2 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent in project tdi-studio-se by Talend.

the class NodeTransferDragSourceListener method getNodeTransferDragSourceListener.

public TransferDragSourceListener getNodeTransferDragSourceListener() {
    if (dragDropListener == null)
        dragDropListener = new TransferDragSourceListener() {

            TextTransfer transfer;

            public Transfer getTransfer() {
                transfer = TextTransfer.getInstance();
                return transfer;
            }

            public void dragFinished(final DragSourceEvent event) {
            }

            public void dragSetData(final DragSourceEvent event) {
                if (currentEditPart != null && currentEditPart.getParent() != null) {
                    INode node = (INode) currentEditPart.getParent().getModel();
                    String value = ElementParameterParser.parse(node, ((INodeReturn) currentEditPart.getModel()).getVarName());
                    event.data = value;
                }
            }

            public void dragStart(final DragSourceEvent event) {
                if (currentEditPart != null && currentEditPart.getParent() != null) {
                    // Make sure the process node can not be dragged and dropped.
                    if (currentEditPart.getParent().getModel() instanceof org.talend.designer.core.ui.editor.nodes.Node) {
                        event.doit = true;
                        return;
                    }
                }
                event.doit = false;
            }
        };
    return dragDropListener;
}

Example 3 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent in project cubrid-manager by CUBRID.

the class CubridNavigatorView method addDragDropSupport.

/**
	 * Add the drag drop support of tree.
	 *
	 * @param tree the tree need to drag and drop.
	 */
protected void addDragDropSupport(final Tree tree) {
    // Define 'Transfer Type', 'Operation'
    Transfer[] types = new Transfer[] { TextTransfer.getInstance() };
    int operations = DND.DROP_MOVE | DND.DROP_COPY;
    // DragSource
    final DragSource source = new DragSource(tree, operations);
    source.setTransfer(types);
    source.addDragListener(new DragSourceListener() {

        public void dragStart(DragSourceEvent event) {
            event.doit = false;
            if (!dataSupportDND(tree.getSelection())) {
                return;
            }
            event.doit = true;
        }

        public void dragSetData(DragSourceEvent event) {
            event.data = ((ICubridNode) tree.getSelection()[0].getData()).getLabel();
        }

        public void dragFinished(DragSourceEvent event) {
        }
    });
    addTreeDropTarget(tree);
    String perspectiveId = PerspectiveManager.getInstance().getCurrentPerspectiveId();
    // DropTarget for query editor.
    QueryEditorDNDController.registerDragSource(perspectiveId, tv);
    // DropTarget for multiple query
    MultiDBQueryDNDController.registerDragSource(perspectiveId, tv);
    // DropTarget for Run SQL file
    RunSQLFileDialogDNDController.registerDragSource(perspectiveId, tv);
    //DropTarget for ERD
    ERDNDController.registerDragSource(perspectiveId, tv);
}

Example 4 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent in project translationstudio8 by heartsome.

the class TableHierarchicalExample method initDND.

/**
     * Init a simple drag and drop operation for moving rows in the table.
     * 
     * @param table
     * @param parent
     */
private void initDND(final JaretTable table, Composite parent) {
    // support move only
    int operations = DND.DROP_MOVE;
    final DragSource source = new DragSource(table, operations);
    // Provide data in Text format
    Transfer[] types = new Transfer[] { TextTransfer.getInstance() };
    source.setTransfer(types);
    source.addDragListener(new DragSourceListener() {

        public void dragStart(DragSourceEvent event) {
            // check whether drag occured on the hierarchy column
            IColumn column = table.colForX(event.x);
            if (column != null && table.isHierarchyColumn(column)) {
                // TODO check whether a resize may have
                // higher priority
                // possible row drag
                IRow row = table.rowForY(event.y);
                if (row != null) {
                    // row hit, start row drag
                    _draggedRow = row;
                    // capture the data for internal use
                    // row drag: use row at starting position
                    _parentTableNode = getParent(table.getHierarchicalModel().getRootNode(), (ITableNode) row);
                } else {
                    event.doit = false;
                }
            }
        }

        public void dragSetData(DragSourceEvent event) {
            // Provide the data of the requested type.
            if (TextTransfer.getInstance().isSupportedType(event.dataType)) {
                if (_draggedRow != null) {
                    event.data = "row: " + _draggedRow.getId();
                }
            }
        }

        public void dragFinished(DragSourceEvent event) {
            // for this simple case we do all the manipulations in the drop
            // target
            // this is more of a hack ...
            _draggedRow = null;
        }
    });
    // ////////////////////
    // Drop target
    // moved to the drop target
    operations = DND.DROP_MOVE;
    final DropTarget target = new DropTarget(table, operations);
    // Receive data in Text
    final TextTransfer textTransfer = TextTransfer.getInstance();
    types = new Transfer[] { textTransfer };
    target.setTransfer(types);
    target.addDropListener(new DropTargetListener() {

        public void dragEnter(DropTargetEvent event) {
        }

        public void dragOver(DropTargetEvent event) {
            if (_draggedRow != null) {
            // no drag over effect right now
            }
        }

        public void dragOperationChanged(DropTargetEvent event) {
        }

        public void dragLeave(DropTargetEvent event) {
        }

        public void dropAccept(DropTargetEvent event) {
        }

        public void drop(DropTargetEvent event) {
            // this is kind of a hack ...
            if (textTransfer.isSupportedType(event.currentDataType)) {
                String text = (String) event.data;
                System.out.println("DROP: " + text);
                if (_draggedRow != null) {
                    int destY = Display.getCurrent().map(null, table, event.x, event.y).y;
                    int destX = Display.getCurrent().map(null, table, event.x, event.y).x;
                    IRow overRow = table.rowForY(destY);
                    if (overRow != null) {
                        System.out.println("over row " + overRow.getId());
                        // this is an action from the drag source listener
                        // ...
                        // this has to be done right here because otherwise
                        // the node would be at two places
                        // at the same time causing some redraw trouble ...
                        _parentTableNode.remNode((ITableNode) _draggedRow);
                        ITableNode node = (ITableNode) overRow;
                        node.addNode((ITableNode) _draggedRow);
                    }
                }
            }
        }
    });
    // Dispose listener on parent of timebar viewer to dispose the
    // dragsource and dragtarget BEFORE the timebar
    // viewer
    // this prevents an exception beeing thrown by SWT
    parent.addDisposeListener(new DisposeListener() {

        public void widgetDisposed(DisposeEvent e) {
            source.dispose();
            target.dispose();
        }
    });
}

Example 5 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent in project eclipse.platform.swt by eclipse.

the class FileViewer method createTableDragSource.

/**
 * Creates the Drag & Drop DragSource for items being dragged from the table.
 *
 * @return the DragSource for the table
 */
private DragSource createTableDragSource(final Table table) {
    DragSource dragSource = new DragSource(table, DND.DROP_MOVE | DND.DROP_COPY);
    dragSource.setTransfer(FileTransfer.getInstance());
    dragSource.addDragListener(new DragSourceListener() {

        TableItem[] dndSelection = null;

        String[] sourceNames = null;

        @Override
        public void dragStart(DragSourceEvent event) {
            dndSelection = table.getSelection();
            sourceNames = null;
            event.doit = dndSelection.length > 0;
            isDragging = true;
        }

        @Override
        public void dragFinished(DragSourceEvent event) {
            dragSourceHandleDragFinished(event, sourceNames);
            dndSelection = null;
            sourceNames = null;
            isDragging = false;
            handleDeferredRefresh();
        }

        @Override
        public void dragSetData(DragSourceEvent event) {
            if (dndSelection == null || dndSelection.length == 0)
                return;
            if (!FileTransfer.getInstance().isSupportedType(event.dataType))
                return;
            sourceNames = new String[dndSelection.length];
            for (int i = 0; i < dndSelection.length; i++) {
                File file = (File) dndSelection[i].getData(TABLEITEMDATA_FILE);
                sourceNames[i] = file.getAbsolutePath();
            }
            event.data = sourceNames;
        }
    });
    return dragSource;
}