Example usage for java.awt.dnd DropTargetDragEvent rejectDrag

Introduction

In this page you can find the example usage for java.awt.dnd DropTargetDragEvent rejectDrag.

Prototype

public void rejectDrag() 

Source Link

Document

Rejects the drag as a result of examining either the dropAction or the available DataFlavor types.

Usage

From source file:javazoom.jlgui.player.amp.Player.java

/**
 * DnD : dragEnter implementation.//from   w ww .  j  a  v a  2  s .c o  m
 */
public void dragEnter(DropTargetDragEvent e) {
    if (isDragOk(e) == false) {
        e.rejectDrag();
        return;
    }
}

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From source file:javazoom.jlgui.player.amp.Player.java

/**
 * DnD : dragOver implementation.//from ww  w .  j a  va  2s  .c o  m
 */
public void dragOver(DropTargetDragEvent e) {
    if (isDragOk(e) == false) {
        e.rejectDrag();
        return;
    }
}

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From source file:javazoom.jlgui.player.amp.Player.java

/**
 * DnD : dropActionChanged implementation.
 *//*from  ww  w  .  j av a  2 s .com*/
public void dropActionChanged(DropTargetDragEvent e) {
    if (isDragOk(e) == false) {
        e.rejectDrag();
        return;
    }
}

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From source file:org.jets3t.apps.cockpit.Cockpit.java

/**
 * Initialise the application's File drop targets for drag and drop copying of local files
 * to S3./*from   w  ww.  ja  va 2s .  co  m*/
 *
 * @param dropTargetComponents
 * the components files can be dropped on to transfer them to S3
 */
private void initDropTarget(JComponent[] dropTargetComponents) {
    DropTargetListener dropTargetListener = new DropTargetListener() {

        private boolean checkValidDrag(DropTargetDragEvent dtde) {
            if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)
                    && (DnDConstants.ACTION_COPY == dtde.getDropAction()
                            || DnDConstants.ACTION_MOVE == dtde.getDropAction())) {
                dtde.acceptDrag(dtde.getDropAction());
                return true;
            } else {
                dtde.rejectDrag();
                return false;
            }
        }

        public void dragEnter(DropTargetDragEvent dtde) {
            if (checkValidDrag(dtde)) {
                SwingUtilities.invokeLater(new Runnable() {
                    public void run() {
                        objectsTable.requestFocusInWindow();
                    };
                });
            }
        }

        public void dragOver(DropTargetDragEvent dtde) {
            checkValidDrag(dtde);
        }

        public void dropActionChanged(DropTargetDragEvent dtde) {
            if (checkValidDrag(dtde)) {
                SwingUtilities.invokeLater(new Runnable() {
                    public void run() {
                        objectsTable.requestFocusInWindow();
                    };
                });
            } else {
                SwingUtilities.invokeLater(new Runnable() {
                    public void run() {
                        ownerFrame.requestFocusInWindow();
                    };
                });
            }
        }

        public void dragExit(DropTargetEvent dte) {
            SwingUtilities.invokeLater(new Runnable() {
                public void run() {
                    ownerFrame.requestFocusInWindow();
                };
            });
        }

        public void drop(DropTargetDropEvent dtde) {
            if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)
                    && (DnDConstants.ACTION_COPY == dtde.getDropAction()
                            || DnDConstants.ACTION_MOVE == dtde.getDropAction())) {
                dtde.acceptDrop(dtde.getDropAction());
                try {
                    final List fileList = (List) dtde.getTransferable()
                            .getTransferData(DataFlavor.javaFileListFlavor);
                    if (fileList != null && fileList.size() > 0) {
                        uploadFiles((File[]) fileList.toArray(new File[fileList.size()]));
                    }
                } catch (Exception e) {
                    String message = "Unable to start accept dropped items";
                    log.error(message, e);
                    ErrorDialog.showDialog(ownerFrame, null, message, e);
                }
            } else {
                dtde.rejectDrop();
            }
        }
    };

    // Attach drop target listener to each target component.
    for (int i = 0; i < dropTargetComponents.length; i++) {
        new DropTarget(dropTargetComponents[i], DnDConstants.ACTION_COPY, dropTargetListener, true);
    }
}

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From source file:de.tor.tribes.ui.windows.TribeTribeAttackFrame.java

@Override
public void dragEnter(DropTargetDragEvent dtde) {
    if (dtde.isDataFlavorSupported(VillageTransferable.villageDataFlavor)
            || dtde.isDataFlavorSupported(DataFlavor.stringFlavor)) {
        if (dtde.getDropTargetContext().getComponent() == jSourcesTable
                || dtde.getDropTargetContext().getComponent() == jVictimTable) {
            dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
        } else {/* ww  w  .  j  a v a 2s.c  om*/
            dtde.rejectDrag();
        }
    } else {
        dtde.rejectDrag();
    }
}

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From source file:org.jets3t.apps.cockpitlite.CockpitLite.java

/**
 * Initialise the application's File drop targets for drag and drop copying of local files
 * to S3./*from   www  .ja  va 2s.c  o  m*/
 *
 * @param dropTargetComponents
 * the components files can be dropped on to transfer them to S3
 */
private void initDropTarget(JComponent[] dropTargetComponents) {
    DropTargetListener dropTargetListener = new DropTargetListener() {

        private boolean checkValidDrag(DropTargetDragEvent dtde) {
            if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)
                    && (DnDConstants.ACTION_COPY == dtde.getDropAction()
                            || DnDConstants.ACTION_MOVE == dtde.getDropAction())) {
                dtde.acceptDrag(dtde.getDropAction());
                return true;
            } else {
                dtde.rejectDrag();
                return false;
            }
        }

        public void dragEnter(DropTargetDragEvent dtde) {
            if (checkValidDrag(dtde)) {
                SwingUtilities.invokeLater(new Runnable() {
                    public void run() {
                        objectsTable.requestFocusInWindow();
                    };
                });
            }
        }

        public void dragOver(DropTargetDragEvent dtde) {
            checkValidDrag(dtde);
        }

        public void dropActionChanged(DropTargetDragEvent dtde) {
            if (checkValidDrag(dtde)) {
                SwingUtilities.invokeLater(new Runnable() {
                    public void run() {
                        objectsTable.requestFocusInWindow();
                    };
                });
            } else {
                SwingUtilities.invokeLater(new Runnable() {
                    public void run() {
                        ownerFrame.requestFocusInWindow();
                    };
                });
            }
        }

        public void dragExit(DropTargetEvent dte) {
            SwingUtilities.invokeLater(new Runnable() {
                public void run() {
                    ownerFrame.requestFocusInWindow();
                };
            });
        }

        public void drop(DropTargetDropEvent dtde) {
            if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)
                    && (DnDConstants.ACTION_COPY == dtde.getDropAction()
                            || DnDConstants.ACTION_MOVE == dtde.getDropAction())) {
                dtde.acceptDrop(dtde.getDropAction());
                try {
                    final List fileList = (List) dtde.getTransferable()
                            .getTransferData(DataFlavor.javaFileListFlavor);
                    if (fileList != null && fileList.size() > 0) {
                        new Thread() {
                            @Override
                            public void run() {
                                prepareForFilesUpload((File[]) fileList.toArray(new File[fileList.size()]));
                            }
                        }.start();
                    }
                } catch (Exception e) {
                    String message = "Unable to start accept dropped item(s)";
                    log.error(message, e);
                    ErrorDialog.showDialog(ownerFrame, null, cockpitLiteProperties.getProperties(), message, e);
                }
            } else {
                dtde.rejectDrop();
            }
        }
    };

    // Attach drop target listener to each target component.
    for (int i = 0; i < dropTargetComponents.length; i++) {
        new DropTarget(dropTargetComponents[i], DnDConstants.ACTION_COPY, dropTargetListener, true);
    }
}

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From source file:org.kuali.test.ui.dnd.RepositoryDropTargetAdapter.java

@Override
public void dragOver(DropTargetDragEvent dtde) {
    if (canDrop(dtde)) {
        dtde.acceptDrag(dtde.getDropAction());
    } else {//from   w ww . j  a va2 s . co m
        dtde.acceptDrag(DnDConstants.ACTION_NONE);
        dtde.rejectDrag();
    }
}

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From source file:org.pentaho.reporting.designer.core.util.dnd.GenericDNDHandler.java

/**
 * Called when a drag operation is ongoing, while the mouse pointer is still over the operable part of the drop site
 * for the <code>DropTarget</code> registered with this listener.
 *
 * @param dtde the <code>DropTargetDragEvent</code>
 *//*from  w  w w. ja v a2  s. c o m*/

public void dragOver(final DropTargetDragEvent dtde) {
    final Transferable transferable = dtde.getTransferable();

    for (int i = 0; i < acceptedFlavors.length; i++) {
        final DataFlavor acceptedFlavor = acceptedFlavors[i];
        if (transferable.isDataFlavorSupported(acceptedFlavor)) {
            // a transfer from the palette.
            try {
                transferData = transferable.getTransferData(acceptedFlavor);
                position = dtde.getLocation();
                flavor = acceptedFlavor;
                final int result = updateDragOver(dtde);
                if (result > 0) {
                    dtde.acceptDrag(DnDConstants.ACTION_COPY);
                } else {
                    transferData = null;
                    position = null;
                    flavor = null;
                    dtde.rejectDrag();
                }
                break;
            } catch (Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("ReportPanel.dragOver ", e); // NON-NLS
                }
                transferData = null;
                position = null;
                flavor = null;
                dtde.rejectDrag();
            }
        }
    }
}

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From source file:tvbrowser.ui.mainframe.MainFrame.java

@Override
public void dragEnter(DropTargetDragEvent dtde) {
    File[] files = getDragDropPlugins(dtde.getCurrentDataFlavors(), dtde.getTransferable());
    if (files.length > 0) {
        dtde.acceptDrag(dtde.getDropAction());
    } else {//from ww  w  .ja  v  a 2s . c  o m
        dtde.rejectDrag();
    }
}

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