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

Example 41 with DragSource

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

the class EnterListDialog method open.

public String[] open() {
    Shell parent = getParent();
    shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MAX | SWT.MIN);
    props.setLook(shell);
    shell.setImage(GUIResource.getInstance().getImageTransGraph());
    shell.setText(BaseMessages.getString(PKG, "EnterListDialog.Title"));
    shell.setLayout(new FormLayout());
    int margin = Const.MARGIN;
    // //////////////////////////////////////////////////
    // Top & Bottom regions.
    // //////////////////////////////////////////////////
    Composite top = new Composite(shell, SWT.NONE);
    FormLayout topLayout = new FormLayout();
    topLayout.marginHeight = margin;
    topLayout.marginWidth = margin;
    top.setLayout(topLayout);
    FormData fdTop = new FormData();
    fdTop.left = new FormAttachment(0, 0);
    fdTop.top = new FormAttachment(0, 0);
    fdTop.right = new FormAttachment(100, 0);
    fdTop.bottom = new FormAttachment(100, -50);
    top.setLayoutData(fdTop);
    props.setLook(top);
    Composite bottom = new Composite(shell, SWT.NONE);
    bottom.setLayout(new FormLayout());
    FormData fdBottom = new FormData();
    fdBottom.left = new FormAttachment(0, 0);
    fdBottom.top = new FormAttachment(top, 0);
    fdBottom.right = new FormAttachment(100, 0);
    fdBottom.bottom = new FormAttachment(100, 0);
    bottom.setLayoutData(fdBottom);
    props.setLook(bottom);
    // //////////////////////////////////////////////////
    // Sashform
    // //////////////////////////////////////////////////
    SashForm sashform = new SashForm(top, SWT.HORIZONTAL);
    sashform.setLayout(new FormLayout());
    FormData fdSashform = new FormData();
    fdSashform.left = new FormAttachment(0, 0);
    fdSashform.top = new FormAttachment(0, 0);
    fdSashform.right = new FormAttachment(100, 0);
    fdSashform.bottom = new FormAttachment(100, 0);
    sashform.setLayoutData(fdSashform);
    // ////////////////////////
    // / LEFT
    // ////////////////////////
    Composite leftsplit = new Composite(sashform, SWT.NONE);
    leftsplit.setLayout(new FormLayout());
    FormData fdLeftsplit = new FormData();
    fdLeftsplit.left = new FormAttachment(0, 0);
    fdLeftsplit.top = new FormAttachment(0, 0);
    fdLeftsplit.right = new FormAttachment(100, 0);
    fdLeftsplit.bottom = new FormAttachment(100, 0);
    leftsplit.setLayoutData(fdLeftsplit);
    props.setLook(leftsplit);
    // Source list to the left...
    wlListSource = new Label(leftsplit, SWT.NONE);
    wlListSource.setText(BaseMessages.getString(PKG, "EnterListDialog.AvailableItems.Label"));
    props.setLook(wlListSource);
    FormData fdlListSource = new FormData();
    fdlListSource.left = new FormAttachment(0, 0);
    fdlListSource.top = new FormAttachment(0, 0);
    wlListSource.setLayoutData(fdlListSource);
    wListSource = new List(leftsplit, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);
    props.setLook(wListSource);
    FormData fdListSource = new FormData();
    fdListSource.left = new FormAttachment(0, 0);
    fdListSource.top = new FormAttachment(wlListSource, 0);
    fdListSource.right = new FormAttachment(100, 0);
    fdListSource.bottom = new FormAttachment(100, 0);
    wListSource.setLayoutData(fdListSource);
    // /////////////////////////
    // MIDDLE
    // /////////////////////////
    Composite compmiddle = new Composite(sashform, SWT.NONE);
    compmiddle.setLayout(new FormLayout());
    FormData fdCompMiddle = new FormData();
    fdCompMiddle.left = new FormAttachment(0, 0);
    fdCompMiddle.top = new FormAttachment(0, 0);
    fdCompMiddle.right = new FormAttachment(100, 0);
    fdCompMiddle.bottom = new FormAttachment(100, 0);
    compmiddle.setLayoutData(fdCompMiddle);
    props.setLook(compmiddle);
    Composite gButtonGroup = new Composite(compmiddle, SWT.NONE);
    GridLayout gridLayout = new GridLayout(1, false);
    gButtonGroup.setLayout(gridLayout);
    wAddOne = new Button(gButtonGroup, SWT.PUSH);
    wAddOne.setText(" > ");
    wAddOne.setToolTipText(BaseMessages.getString(PKG, "EnterListDialog.AddOne.Tooltip"));
    wAddAll = new Button(gButtonGroup, SWT.PUSH);
    wAddAll.setText(" >> ");
    wAddAll.setToolTipText(BaseMessages.getString(PKG, "EnterListDialog.AddAll.Tooltip"));
    wRemoveOne = new Button(gButtonGroup, SWT.PUSH);
    wRemoveOne.setText(" < ");
    wRemoveOne.setToolTipText(BaseMessages.getString(PKG, "EnterListDialog.RemoveOne.Tooltip"));
    wRemoveAll = new Button(gButtonGroup, SWT.PUSH);
    wRemoveAll.setText(" << ");
    wRemoveAll.setToolTipText(BaseMessages.getString(PKG, "EnterListDialog.RemoveAll.Tooltip"));
    GridData gdAddOne = new GridData(GridData.FILL_BOTH);
    wAddOne.setLayoutData(gdAddOne);
    GridData gdAddAll = new GridData(GridData.FILL_BOTH);
    wAddAll.setLayoutData(gdAddAll);
    GridData gdRemoveAll = new GridData(GridData.FILL_BOTH);
    wRemoveAll.setLayoutData(gdRemoveAll);
    GridData gdRemoveOne = new GridData(GridData.FILL_BOTH);
    wRemoveOne.setLayoutData(gdRemoveOne);
    FormData fdButtonGroup = new FormData();
    // get a size
    wAddAll.pack();
    fdButtonGroup.left = new FormAttachment(50, -(wAddAll.getSize().x / 2) - 5);
    fdButtonGroup.top = new FormAttachment(30, 0);
    // the default looks ugly
    gButtonGroup.setBackground(shell.getBackground());
    gButtonGroup.setLayoutData(fdButtonGroup);
    // ///////////////////////////////
    // RIGHT
    // ///////////////////////////////
    Composite rightsplit = new Composite(sashform, SWT.NONE);
    rightsplit.setLayout(new FormLayout());
    FormData fdRightsplit = new FormData();
    fdRightsplit.left = new FormAttachment(0, 0);
    fdRightsplit.top = new FormAttachment(0, 0);
    fdRightsplit.right = new FormAttachment(100, 0);
    fdRightsplit.bottom = new FormAttachment(100, 0);
    rightsplit.setLayoutData(fdRightsplit);
    props.setLook(rightsplit);
    wlListDest = new Label(rightsplit, SWT.NONE);
    wlListDest.setText(BaseMessages.getString(PKG, "EnterListDialog.Selection.Label"));
    props.setLook(wlListDest);
    FormData fdlListDest = new FormData();
    fdlListDest.left = new FormAttachment(0, 0);
    fdlListDest.top = new FormAttachment(0, 0);
    wlListDest.setLayoutData(fdlListDest);
    wListDest = new List(rightsplit, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);
    props.setLook(wListDest);
    FormData fdListDest = new FormData();
    fdListDest.left = new FormAttachment(0, 0);
    fdListDest.top = new FormAttachment(wlListDest, 0);
    fdListDest.right = new FormAttachment(100, 0);
    fdListDest.bottom = new FormAttachment(100, 0);
    wListDest.setLayoutData(fdListDest);
    sashform.setWeights(new int[] { 40, 16, 40 });
    // //////////////////////////////////////////////////////////////
    // THE BOTTOM BUTTONS...
    // //////////////////////////////////////////////////////////////
    wOK = new Button(bottom, SWT.PUSH);
    wOK.setText(BaseMessages.getString(PKG, "System.Button.OK"));
    wCancel = new Button(bottom, SWT.PUSH);
    wCancel.setText(BaseMessages.getString(PKG, "System.Button.Cancel"));
    FormData fdOK = new FormData();
    FormData fdCancel = new FormData();
    fdOK.left = new FormAttachment(35, 0);
    fdOK.bottom = new FormAttachment(100, 0);
    wOK.setLayoutData(fdOK);
    fdCancel.left = new FormAttachment(wOK, 10);
    fdCancel.bottom = new FormAttachment(100, 0);
    wCancel.setLayoutData(fdCancel);
    // Add listeners
    wCancel.addListener(SWT.Selection, new Listener() {

        public void handleEvent(Event e) {
            dispose();
        }
    });
    // Add listeners
    wOK.addListener(SWT.Selection, new Listener() {

        public void handleEvent(Event e) {
            handleOK();
        }
    });
    // Drag & Drop for steps
    Transfer[] ttypes = new Transfer[] { TextTransfer.getInstance() };
    DragSource ddSource = new DragSource(wListSource, DND.DROP_MOVE | DND.DROP_COPY);
    ddSource.setTransfer(ttypes);
    ddSource.addDragListener(new DragSourceListener() {

        public void dragStart(DragSourceEvent event) {
        }

        public void dragSetData(DragSourceEvent event) {
            String[] ti = wListSource.getSelection();
            String data = new String();
            for (int i = 0; i < ti.length; i++) {
                data += ti[i] + Const.CR;
            }
            event.data = data;
        }

        public void dragFinished(DragSourceEvent event) {
        }
    });
    DropTarget ddTarget = new DropTarget(wListDest, DND.DROP_MOVE | DND.DROP_COPY);
    ddTarget.setTransfer(ttypes);
    ddTarget.addDropListener(new DropTargetListener() {

        public void dragEnter(DropTargetEvent event) {
        }

        public void dragLeave(DropTargetEvent event) {
        }

        public void dragOperationChanged(DropTargetEvent event) {
        }

        public void dragOver(DropTargetEvent event) {
        }

        public void drop(DropTargetEvent event) {
            if (event.data == null) {
                // no data to copy, indicate failure in event.detail
                event.detail = DND.DROP_NONE;
                return;
            }
            StringTokenizer strtok = new StringTokenizer((String) event.data, Const.CR);
            while (strtok.hasMoreTokens()) {
                String source = strtok.nextToken();
                addToDestination(source);
            }
        }

        public void dropAccept(DropTargetEvent event) {
        }
    });
    wListSource.addKeyListener(new KeyAdapter() {

        public void keyPressed(KeyEvent e) {
            if (e.character == SWT.CR) {
                addToSelection(wListSource.getSelection());
            }
        }
    });
    wListDest.addKeyListener(new KeyAdapter() {

        public void keyPressed(KeyEvent e) {
            if (e.character == SWT.CR) {
                delFromSelection(wListDest.getSelection());
            }
        }
    });
    // Double click adds to destination.
    wListSource.addSelectionListener(new SelectionAdapter() {

        public void widgetDefaultSelected(SelectionEvent e) {
            addToSelection(wListSource.getSelection());
        }
    });
    // Double click adds to source
    wListDest.addSelectionListener(new SelectionAdapter() {

        public void widgetDefaultSelected(SelectionEvent e) {
            delFromSelection(wListDest.getSelection());
        }
    });
    wAddOne.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent e) {
            addToSelection(wListSource.getSelection());
        }
    });
    wRemoveOne.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent e) {
            delFromSelection(wListDest.getSelection());
        }
    });
    wAddAll.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent e) {
            addToSelection(wListSource.getItems());
        }
    });
    wRemoveAll.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent e) {
            delFromSelection(wListDest.getItems());
        }
    });
    opened = true;
    getData();
    BaseStepDialog.setSize(shell);
    shell.open();
    Display display = parent.getDisplay();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    return retval;
}

Example 42 with DragSource

use of org.eclipse.swt.dnd.DragSource in project mylyn.docs by eclipse.

the class DndConfigurationStrategy method configure.

public void configure(CommandManager commandManager, Control control, ISelectionProvider provider) {
    dragAdapter = new DelegatingDragAdapter();
    dragSource = new DragSource(control, DND.DROP_COPY | DND.DROP_MOVE);
    dragAdapter.addDragSourceListener(new OutlineDragSourceListener(provider));
    dragSource.addDragListener(dragAdapter);
    dragSource.setTransfer(dragAdapter.getTransfers());
    dropAdapter = new DelegatingDropAdapter();
    dropTarget = new DropTarget(control, DND.DROP_COPY | DND.DROP_MOVE);
    dropAdapter.addDropTargetListener(new OutlineDropTargetListener(commandManager));
    dropTarget.addDropListener(dropAdapter);
    dropTarget.setTransfer(dropAdapter.getTransfers());
}