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

Example 1 with DropTargetListener

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

the class JSONFileDragAndDropHandler method createDropTarget.

private void createDropTarget() {
    if (loopDropTarget != null) {
        loopDropTarget.dispose();
    }
    loopDropTarget = new DropTarget(linker.getTarget(), DND.DROP_DEFAULT | DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK);
    loopDropTarget.setTransfer(new Transfer[] { LocalDataTransfer.getInstance() });
    DropTargetListener targetListener = new TableDropTargetListener();
    loopDropTarget.addDropListener(targetListener);
}

Example 2 with DropTargetListener

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

the class AbstractElementPropertySectionController method addDragAndDropTarget.

/**
     * Accept Text and StyledText control.
     *
     * @param labelText
     */
public void addDragAndDropTarget(final Control textControl) {
    DropTargetListener dropTargetListener = new DropTargetListener() {

        String propertyName = null;

        @Override
        public void dragEnter(final DropTargetEvent event) {
        }

        @Override
        public void dragLeave(final DropTargetEvent event) {
        }

        @Override
        public void dragOperationChanged(final DropTargetEvent event) {
        }

        @Override
        public void dragOver(final DropTargetEvent event) {
            if (TextTransfer.getInstance().isSupportedType(event.currentDataType)) {
                propertyName = getParameterName(textControl);
                for (int i = 0; i < elem.getElementParameters().size(); i++) {
                    IElementParameter param = elem.getElementParameters().get(i);
                    if (param.getName().equals(propertyName)) {
                        if (param.isReadOnly()) {
                            event.detail = DND.ERROR_INVALID_DATA;
                        }
                    }
                }
            }
        }

        @Override
        public void drop(final DropTargetEvent event) {
            if (propertyName != null) {
                String text;
                if (textControl instanceof StyledText) {
                    text = ((StyledText) textControl).getText() + (String) event.data;
                    ((StyledText) textControl).setText(text);
                } else {
                    text = ((Text) textControl).getText() + (String) event.data;
                    ((Text) textControl).setText(text);
                }
                Command cmd = new PropertyChangeCommand(elem, propertyName, text);
                // getCommandStack().execute(cmd);
                executeCommand(cmd);
            }
        }

        @Override
        public void dropAccept(final DropTargetEvent event) {
        }
    };
    DropTarget target = new DropTarget(textControl, DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_DEFAULT);
    Transfer[] transfers = new Transfer[] { TextTransfer.getInstance() };
    target.setTransfer(transfers);
    target.addDropListener(dropTargetListener);
}

Example 3 with DropTargetListener

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

the class HL7Message2SchemaDragAndDropHandler method createDropTarget.

private void createDropTarget() {
    if (loopDropTarget != null) {
        loopDropTarget.dispose();
    }
    loopDropTarget = new DropTarget(linker.getTarget(), DND.DROP_DEFAULT | DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK);
    loopDropTarget.setTransfer(new Transfer[] { SegmentTransfer.getInstance() });
    DropTargetListener targetListener = new TableDropTargetListener();
    loopDropTarget.addDropListener(targetListener);
}

Example 4 with DropTargetListener

use of org.eclipse.swt.dnd.DropTargetListener 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 DropTargetListener

use of org.eclipse.swt.dnd.DropTargetListener in project pentaho-kettle by pentaho.

the class RepositoryExplorerDialog method open.

public RepositoryObjectReference open() {
    debug = "opening repository explorer";
    try {
        debug = "open new independent shell";
        Shell parent = getParent();
        Display display = parent.getDisplay();
        shell = new Shell(display, SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MAX | SWT.MIN);
        props.setLook(shell);
        shell.setImage(GUIResource.getInstance().getImageFolderConnections());
        shell.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Title") + rep.getName() + "]");
        FormLayout formLayout = new FormLayout();
        formLayout.marginWidth = Const.FORM_MARGIN;
        formLayout.marginHeight = Const.FORM_MARGIN;
        shell.setLayout(formLayout);
        // Add a small toolbar to expand/collapse all items
        // 
        ToolBar treeTb = new ToolBar(shell, SWT.HORIZONTAL | SWT.FLAT);
        props.setLook(treeTb);
        fdTreeTb = new FormData();
        fdTreeTb.left = new FormAttachment(0, 0);
        fdTreeTb.top = new FormAttachment(0, 0);
        treeTb.setLayoutData(fdTreeTb);
        // Add the items...
        // 
        exportToXML = new ToolItem(treeTb, SWT.PUSH);
        exportToXML.setImage(GUIResource.getInstance().getImageExport());
        exportToXML.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.ExportToXML.Label"));
        exportToXML.setToolTipText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.ExportToXML.Tooltip"));
        importFromXML = new ToolItem(treeTb, SWT.PUSH);
        importFromXML.setImage(GUIResource.getInstance().getImageImport());
        importFromXML.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.ImportFromXML.Label"));
        importFromXML.setToolTipText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.ImportFromXML.Tooltip"));
        new ToolItem(treeTb, SWT.SEPARATOR);
        showHideDeleted = new ToolItem(treeTb, SWT.PUSH);
        showHideDeleted.setImage(GUIResource.getInstance().getImageShowDeleted());
        showHideDeleted.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.ShowDeleted.Label"));
        showHideDeleted.setToolTipText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.ShowDeleted.Tooltip"));
        showHideDeleted.setEnabled(rep.getRepositoryMeta().getRepositoryCapabilities().supportsRevisions());
        new ToolItem(treeTb, SWT.SEPARATOR);
        expandAll = new ToolItem(treeTb, SWT.PUSH);
        expandAll.setImage(GUIResource.getInstance().getImageExpandAll());
        expandAll.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.ExpandAll.Label"));
        expandAll.setToolTipText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.ExpandAll.Tooltip"));
        collapseAll = new ToolItem(treeTb, SWT.PUSH);
        collapseAll.setImage(GUIResource.getInstance().getImageCollapseAll());
        collapseAll.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.CollapseAll.Label"));
        collapseAll.setToolTipText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.CollapseAll.Tooltip"));
        // Tree
        wTree = new Tree(shell, SWT.MULTI | SWT.BORDER);
        wTree.setHeaderVisible(true);
        props.setLook(wTree);
        // Add some columns to it as well...
        nameColumn = new TreeColumn(wTree, SWT.LEFT);
        nameColumn.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Column.Name"));
        nameColumn.setWidth(350);
        nameColumn.setAlignment(10);
        nameColumn.addListener(SWT.Selection, new Listener() {

            @Override
            public void handleEvent(Event e) {
                setSort(0);
            }
        });
        // No sorting on the type column just yet.
        typeColumn = new TreeColumn(wTree, SWT.LEFT);
        typeColumn.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Column.Type"));
        typeColumn.setWidth(100);
        typeColumn.addListener(SWT.Selection, new Listener() {

            @Override
            public void handleEvent(Event e) {
                setSort(1);
            }
        });
        userColumn = new TreeColumn(wTree, SWT.LEFT);
        userColumn.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Column.User"));
        userColumn.setWidth(100);
        userColumn.addListener(SWT.Selection, new Listener() {

            @Override
            public void handleEvent(Event e) {
                setSort(2);
            }
        });
        changedColumn = new TreeColumn(wTree, SWT.LEFT);
        changedColumn.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Column.Changed"));
        changedColumn.setWidth(120);
        changedColumn.addListener(SWT.Selection, new Listener() {

            @Override
            public void handleEvent(Event e) {
                setSort(3);
            }
        });
        descriptionColumn = new TreeColumn(wTree, SWT.LEFT);
        descriptionColumn.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Column.Description"));
        descriptionColumn.setWidth(120);
        descriptionColumn.addListener(SWT.Selection, new Listener() {

            @Override
            public void handleEvent(Event e) {
                setSort(4);
            }
        });
        lockColumn = new TreeColumn(wTree, SWT.LEFT);
        lockColumn.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Column.LockMessage"));
        lockColumn.setWidth(120);
        lockColumn.addListener(SWT.Selection, new Listener() {

            @Override
            public void handleEvent(Event e) {
                setSort(5);
            }
        });
        // Add a memory to the tree.
        TreeMemory.addTreeListener(wTree, STRING_REPOSITORY_EXPLORER_TREE_NAME);
        // Buttons
        wOK = new Button(shell, SWT.PUSH);
        wOK.setText(BaseMessages.getString(PKG, "System.Button.OK"));
        FormData fdTree = new FormData();
        int margin = 10;
        // To the right of the label
        fdTree.left = new FormAttachment(0, 0);
        fdTree.top = new FormAttachment(treeTb, 0);
        fdTree.right = new FormAttachment(100, 0);
        fdTree.bottom = new FormAttachment(100, -50);
        wTree.setLayoutData(fdTree);
        BaseStepDialog.positionBottomButtons(shell, new Button[] { wOK }, margin, null);
        // Add listeners
        wOK.addListener(SWT.Selection, new Listener() {

            @Override
            public void handleEvent(Event e) {
                close();
            }
        });
        wTree.addMenuDetectListener(new MenuDetectListener() {

            @Override
            public void menuDetected(MenuDetectEvent e) {
                setTreeMenu();
            }
        });
        wTree.addMouseListener(new MouseAdapter() {

            @Override
            public void mouseDoubleClick(MouseEvent e) {
                if (e.button == 1) {
                    // left double click!
                    doDoubleClick();
                }
            }
        });
        wTree.addKeyListener(new KeyAdapter() {

            @Override
            public void keyPressed(KeyEvent e) {
                // F2 --> rename...
                if (e.keyCode == SWT.F2) {
                    if (!readonly) {
                        renameInTree();
                    }
                }
                // F5 --> refresh...
                if (e.keyCode == SWT.F5) {
                    refreshTree();
                }
            }
        });
        expandAll.addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(SelectionEvent event) {
                expandAllItems(wTree.getItems(), true);
            }
        });
        collapseAll.addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(SelectionEvent event) {
                expandAllItems(wTree.getItems(), false);
            }
        });
        importFromXML.addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(SelectionEvent event) {
                importAll();
            }
        });
        exportToXML.addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(SelectionEvent event) {
                exportAll(null);
            }
        });
        showHideDeleted.addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(SelectionEvent event) {
                includeDeleted = !includeDeleted;
                if (includeDeleted) {
                    showHideDeleted.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.HideDeleted.Label"));
                    showHideDeleted.setToolTipText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.HideDeleted.Tooltip"));
                } else {
                    showHideDeleted.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.ShowDeleted.Label"));
                    showHideDeleted.setToolTipText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.ToolItem.ShowDeleted.Tooltip"));
                }
                refreshTree();
            }
        });
        // Drag & Drop
        Transfer[] ttypes = new Transfer[] { TextTransfer.getInstance() };
        DragSource ddSource = new DragSource(wTree, DND.DROP_MOVE);
        ddSource.setTransfer(ttypes);
        ddSource.addDragListener(new DragSourceListener() {

            @Override
            public void dragStart(DragSourceEvent event) {
                debug = "drag start";
                event.doit = true;
            }

            @Override
            public void dragSetData(DragSourceEvent event) {
                debug = "drag set data";
                event.data = "";
                event.doit = false;
                TreeItem[] ti = wTree.getSelection();
                if (ti.length >= 1) {
                    int cat = getItemCategory(ti[0]);
                    // 
                    if (cat == ITEM_CATEGORY_TRANSFORMATION) {
                        debug = "drag set: drag around transformation";
                        RepositoryDirectoryInterface repdir = getDirectory(ti[0]);
                        if (repdir != null) {
                            // 
                            // Pass info as a piece of XML
                            // 
                            String xml = XMLHandler.getXMLHeader();
                            xml += "<dragdrop>" + Const.CR;
                            xml += "  " + XMLHandler.addTagValue("directory", repdir.getPath());
                            xml += "  " + XMLHandler.addTagValue("transformation", ti[0].getText());
                            xml += "</dragdrop>" + Const.CR;
                            event.data = xml;
                            event.doit = true;
                        }
                    } else if (cat == ITEM_CATEGORY_JOB) {
                        debug = "drag set: drag around job";
                        RepositoryDirectoryInterface repdir = getDirectory(ti[0]);
                        if (repdir != null) {
                            // 
                            // Pass info as a piece of XML
                            // 
                            String xml = XMLHandler.getXMLHeader();
                            xml += "<dragdrop>" + Const.CR;
                            xml += "  " + XMLHandler.addTagValue("directory", repdir.getPath());
                            xml += "  " + XMLHandler.addTagValue("job", ti[0].getText());
                            xml += "</dragdrop>" + Const.CR;
                            event.data = xml;
                            event.doit = true;
                        }
                    } else {
                        debug = "do nothing";
                        String xml = XMLHandler.getXMLHeader();
                        xml += "<dragdrop>" + Const.CR;
                        xml += "</dragdrop>" + Const.CR;
                        event.data = xml;
                        event.doit = true;
                    }
                }
            }

            @Override
            public void dragFinished(DragSourceEvent event) {
            }
        });
        DropTarget ddTarget = new DropTarget(wTree, DND.DROP_MOVE);
        ddTarget.setTransfer(ttypes);
        ddTarget.addDropListener(new DropTargetListener() {

            @Override
            public void dragEnter(DropTargetEvent event) {
            }

            @Override
            public void dragLeave(DropTargetEvent event) {
                debug = "drag leave";
            }

            @Override
            public void dragOperationChanged(DropTargetEvent event) {
            }

            @Override
            public void dragOver(DropTargetEvent event) {
                debug = "drag over";
            }

            @Override
            public void drop(DropTargetEvent event) {
                try {
                    debug = "Drop item in tree";
                    if (event.data == null) {
                        // no data to copy, indicate failure in event.detail
                        event.detail = DND.DROP_NONE;
                        return;
                    }
                    // event.feedback = DND.FEEDBACK_NONE;
                    TreeItem ti = (TreeItem) event.item;
                    if (ti != null) {
                        debug = "Get category";
                        int category = getItemCategory(ti);
                        if (category == ITEM_CATEGORY_TRANSFORMATION_DIRECTORY || category == ITEM_CATEGORY_TRANSFORMATION) {
                            debug = "Get directory";
                            RepositoryDirectoryInterface repdir = getDirectory(ti);
                            if (repdir != null) {
                                event.feedback = DND.FEEDBACK_SELECT | DND.FEEDBACK_SCROLL;
                                if (moveTransformation((String) event.data, repdir)) {
                                    refreshTree();
                                } else {
                                    MessageBox mb = new MessageBox(shell, SWT.ICON_INFORMATION | SWT.OK);
                                    mb.setMessage(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Trans.Move.UnableToMove.Message"));
                                    mb.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Trans.Move.UnableToMove.Title"));
                                    mb.open();
                                }
                            }
                        } else if (category == ITEM_CATEGORY_JOB_DIRECTORY || category == ITEM_CATEGORY_JOB) {
                            debug = "Get directory";
                            RepositoryDirectoryInterface repdir = getDirectory(ti);
                            if (repdir != null) {
                                event.feedback = DND.FEEDBACK_SELECT | DND.FEEDBACK_SCROLL;
                                if (moveJob((String) event.data, repdir)) {
                                    refreshTree();
                                } else {
                                    MessageBox mb = new MessageBox(shell, SWT.ICON_INFORMATION | SWT.OK);
                                    mb.setMessage(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Job.Move.UnableToMove.Message"));
                                    mb.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Job.Move.UnableToMove.Title"));
                                    mb.open();
                                }
                            }
                        } else {
                            MessageBox mb = new MessageBox(shell, SWT.ICON_INFORMATION | SWT.OK);
                            mb.setMessage(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Trans.Move.SorryOneItemAtATime.Message"));
                            mb.setText(BaseMessages.getString(PKG, "RepositoryExplorerDialog.Trans.Move.SorryOneItemAtATime.Title"));
                            mb.open();
                        }
                    }
                } catch (Throwable e) {
                    new ErrorDialog(shell, BaseMessages.getString(PKG, "RepositoryExplorerDialog.Drop.UnexpectedError.Title"), BaseMessages.getString(PKG, "RepositoryExplorerDialog.Drop.UnexpectedError.Message1") + debug + "]" + Const.CR + BaseMessages.getString(PKG, "RepositoryExplorerDialog.Drop.UnexpectedError.Message2"), e);
                }
            }

            @Override
            public void dropAccept(DropTargetEvent event) {
                debug = "drop accept";
            }
        });
        // Detect X or ALT-F4 or something that kills this window...
        shell.addShellListener(new ShellAdapter() {

            @Override
            public void shellClosed(ShellEvent e) {
                close();
            }
        });
        debug = "set screen size and position";
        BaseStepDialog.setSize(shell, 400, 480, true);
        // refreshes too.
        setSort(0);
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }
    } catch (Throwable e) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "RepositoryExplorerDialog.Main.UnexpectedError.Title"), BaseMessages.getString(PKG, "RepositoryExplorerDialog.Main.UnexpectedError.Message1") + debug + "]" + Const.CR + BaseMessages.getString(PKG, "RepositoryExplorerDialog.Main.UnexpectedError.Message2") + Const.CR + BaseMessages.getString(PKG, "RepositoryExplorerDialog.Main.UnexpectedError.Message3"), e);
    }
    return lastOpened;
}