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

Example 71 with DropTarget

use of org.eclipse.swt.dnd.DropTarget in project tdq-studio-se by Talend.

the class ExpressionEditDialog method addDropVariableListenerToText.

/**
 * add Drop Variable Listener To Text.
 *
 * @param text
 */
public void addDropVariableListenerToText(final Text text) {
    DropTarget dt = new DropTarget(text, DND.DROP_MOVE);
    dt.setTransfer(new Transfer[] { TextTransfer.getInstance() });
    dt.addDropListener(new DropTargetAdapter() {

        @Override
        public void drop(DropTargetEvent event) {
            String head, end;
            Text editText = text;
            head = editText.getText().substring(0, editText.getSelection().x);
            end = editText.getText().substring(editText.getSelection().x + editText.getSelectionCount());
            editText.setText(head + (String) event.data + end);
            editText.setFocus();
        }
    });
}

Example 72 with DropTarget

use of org.eclipse.swt.dnd.DropTarget in project tdq-studio-se by Talend.

the class ColumnViewerDND method installDND.

/**
 * DOC xqliu Comment method "installDND". bug 8791 2009-08-31.
 *
 * @param myTable
 */
public static void installDND(final Table targetControl) {
    IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
    DQRespositoryView findView = (DQRespositoryView) activePage.findView(DQRespositoryView.ID);
    final CommonViewer commonViewer = findView.getCommonViewer();
    final LocalSelectionTransfer transfer = LocalSelectionTransfer.getTransfer();
    int operations = DND.DROP_COPY | DND.DROP_MOVE;
    Transfer[] transfers = new Transfer[] { transfer };
    DropTarget dropTarget = new DropTarget(targetControl, operations);
    dropTarget.setTransfer(transfers);
    DropTargetListener dndListener = new TableDropTargetEffect(targetControl) {

        ISelectionReceiver receiver = null;

        @Override
        public void dragEnter(DropTargetEvent event) {
            super.dragEnter(event);
            IStructuredSelection selection = (IStructuredSelection) LocalSelectionTransfer.getTransfer().getSelection();
            Object object = selection.getFirstElement();
            // MOD klliu 2011-03-08 bug 19286
            if (object instanceof DBColumnRepNode) {
                receiver = new ColumnReceiverTable();
            }
            if (receiver == null) {
                event.detail = DND.DROP_NONE;
            } else {
                event.feedback = DND.FEEDBACK_EXPAND;
                receiver.doDropValidation(event, commonViewer);
            }
        }

        @Override
        public void dragOver(DropTargetEvent event) {
            if (receiver == null) {
                return;
            }
            super.dragOver(event);
            receiver.doDropValidation(event, commonViewer);
        }

        @Override
        public void drop(DropTargetEvent event) {
            if (receiver == null) {
                return;
            }
            int index = targetControl.getItemCount();
            super.drop(event);
            if (event.item == null) {
                index = -1;
            } else {
                // Widget widget = event.widget;
                // Object data = event.data;
                TableItem item = (TableItem) event.item;
                TableItem[] items = targetControl.getItems();
                for (int i = 0; i < items.length; i++) {
                    if (items[i] == item) {
                        index = i;
                        break;
                    }
                }
            }
            receiver.drop(event, commonViewer, index);
        }
    };
    dropTarget.addDropListener(dndListener);
}

Example 73 with DropTarget

use of org.eclipse.swt.dnd.DropTarget in project tdq-studio-se by Talend.

the class TableViewerDND method installDND.

/**
 * DOC xqliu Comment method "installDND".
 *
 * @param targetControl
 */
public static void installDND(final Tree targetControl) {
    IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
    DQRespositoryView findView = (DQRespositoryView) activePage.findView(DQRespositoryView.ID);
    final CommonViewer commonViewer = findView.getCommonViewer();
    final LocalSelectionTransfer transfer = LocalSelectionTransfer.getTransfer();
    int operations = DND.DROP_COPY | DND.DROP_MOVE;
    Transfer[] transfers = new Transfer[] { transfer };
    DropTarget dropTarget = new DropTarget(targetControl, operations);
    dropTarget.setTransfer(transfers);
    DropTargetListener dndListener = new TreeDropTargetEffect(targetControl) {

        ISelectionReceiver receiver = null;

        @Override
        public void dragEnter(DropTargetEvent event) {
            super.dragEnter(event);
            IStructuredSelection selection = (IStructuredSelection) LocalSelectionTransfer.getTransfer().getSelection();
            Object object = selection.getFirstElement();
            if (object instanceof RuleRepNode) {
                receiver = new DQRuleReceiver();
            }
            if (object instanceof NamedColumnSet) {
                receiver = new TableReceiver();
            }
            if (object instanceof DBTableRepNode) {
                receiver = new TableReceiver();
            }
            if (object instanceof DBViewRepNode) {
                receiver = new TableReceiver();
            }
            if (receiver == null) {
                event.detail = DND.DROP_NONE;
            } else {
                event.feedback = DND.FEEDBACK_EXPAND;
                receiver.doDropValidation(event, commonViewer);
            }
        }

        @Override
        public void dragOver(DropTargetEvent event) {
            super.dragOver(event);
            if (receiver != null) {
                receiver.doDropValidation(event, commonViewer);
            }
        }

        @Override
        public void drop(DropTargetEvent event) {
            int index = targetControl.getItemCount();
            super.drop(event);
            if (event.item == null) {
            // TreeItem item = new TreeItem(targetControl, SWT.NONE);
            // item.setText(texts);
            // item.setText(text);
            } else {
                TreeItem item = (TreeItem) event.item;
                TreeItem[] items = targetControl.getItems();
                for (int i = 0; i < items.length; i++) {
                    if (items[i] == item) {
                        index = i;
                        break;
                    }
                }
            }
            if (receiver != null) {
                receiver.drop(event, commonViewer, index);
            }
        }
    };
    dropTarget.addDropListener(dndListener);
}

Example 74 with DropTarget

use of org.eclipse.swt.dnd.DropTarget in project tdq-studio-se by Talend.

the class ComparisonTableViewerDNDDecorate method installDND.

/**
 * Install a drag&drop function for target table viewer.
 *
 * @param targetViewer the target table viewer for installing drag&drop, it's input value must a <code>List</code>
 * type.
 * @param installDragListener decide to whether install a drag listener for targetViewer: if true, will install the
 * listener; else, will not install.
 * @param validateType
 * @see ComparisonTableViewerDNDDecorate#NON_VALIDATETYPE
 * @see ComparisonTableViewerDNDDecorate#COLUMN_VALIDATETYPE
 */
public void installDND(final TableViewer targetViewer, final boolean installDragListener, final int validateType, final boolean isLeftPart) {
    int operations = DND.DROP_COPY | DND.DROP_MOVE;
    if (installDragListener) {
        installDragListener(targetViewer, operations);
    }
    DropTarget dropTarget = new DropTarget(targetViewer.getTable(), operations);
    dropTarget.setTransfer(transferTypes);
    DropTargetListener dndListener = new AbstractSelectionReceiver(targetViewer.getTable(), null) {

        @Override
        @SuppressWarnings("unchecked")
        public void drop(DropTargetEvent event, LocalSelectionTransfer transfer) {
            List inputElements = (List) targetViewer.getInput();
            // MOD mzhao bug:12766,Avoid an null pointer exception error.
            if (inputElements == null) {
                inputElements = new ArrayList();
            }
            if (dragSelectedElement != null) {
                TableItem item = (TableItem) event.item;
                TableItem[] items = targetViewer.getTable().getItems();
                int index = 0;
                for (int i = 0; i < items.length; i++) {
                    if (items[i] == item) {
                        index = i;
                        break;
                    }
                }
                inputElements.remove(dragSelectedElement);
                inputElements.add(index, dragSelectedElement);
                dragSelectedElement = null;
            } else {
                StructuredSelection selection = (StructuredSelection) transfer.getSelection();
                List selectionElements = selection.toList();
                inputElements.addAll(selectionElements);
            }
            targetViewer.setInput(inputElements);
            // Update connection widget.
            compareTreeViewer.updateBindConnection(masterPage, tableViewerPosStack);
            compareTreeViewer.setDirty(true);
            // TDQ-11606 msjian: when add a column, will update the datapreview part
            compareTreeViewer.computeRefreshDataPreviewPart(isLeftPart, inputElements, targetViewer);
        }

        @Override
        public boolean doDropValidation(DropTargetEvent event, LocalSelectionTransfer transfer) {
            StructuredSelection selection = (StructuredSelection) transfer.getSelection();
            if (dragSelectedElement != null && selection != null) {
                return true;
            }
            // boolean doDropValidation = super.doDropValidation(event, transfer);
            boolean doDropValidation = false;
            // if (doDropValidation) {
            switch(validateType) {
                case COLUMN_VALIDATETYPE:
                    doDropValidation = validateColumnType(selection, targetViewer);
                    break;
                default:
                    doDropValidation = true;
            }
            // }
            return doDropValidation;
        }
    };
    dropTarget.addDropListener(dndListener);
}

Example 75 with DropTarget

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

the class RipDatabaseWizardPage2 method createControl.

public void createControl(Composite parent) {
    shell = parent.getShell();
    int margin = Const.MARGIN;
    // create the composite to hold the widgets
    Composite composite = new Composite(parent, SWT.NONE);
    props.setLook(composite);
    FormLayout compLayout = new FormLayout();
    compLayout.marginHeight = Const.FORM_MARGIN;
    compLayout.marginWidth = Const.FORM_MARGIN;
    composite.setLayout(compLayout);
    // Put it all on the composite!
    // //////////////////////////////////////////////////
    // Top & Bottom regions.
    // //////////////////////////////////////////////////
    Composite top = new Composite(composite, 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(composite, 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("Available items:");
    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);
    wAddOne = new Button(compmiddle, SWT.PUSH);
    wAddOne.setText(" > ");
    wAddOne.setToolTipText("Add the selected items on the left.");
    wAddAll = new Button(compmiddle, SWT.PUSH);
    wAddAll.setText(" >> ");
    wAddAll.setToolTipText("Add all items on the left.");
    wRemoveOne = new Button(compmiddle, SWT.PUSH);
    wRemoveOne.setText(" < ");
    wRemoveOne.setToolTipText("Remove the selected items on the right.");
    wRemoveAll = new Button(compmiddle, SWT.PUSH);
    wRemoveAll.setText(" << ");
    wRemoveAll.setToolTipText("Add all items on the right.");
    FormData fdAddOne = new FormData();
    fdAddOne.left = new FormAttachment(compmiddle, 0, SWT.CENTER);
    fdAddOne.top = new FormAttachment(30, 0);
    wAddOne.setLayoutData(fdAddOne);
    FormData fdAddAll = new FormData();
    fdAddAll.left = new FormAttachment(compmiddle, 0, SWT.CENTER);
    fdAddAll.top = new FormAttachment(wAddOne, margin);
    wAddAll.setLayoutData(fdAddAll);
    FormData fdRemoveAll = new FormData();
    fdRemoveAll.left = new FormAttachment(compmiddle, 0, SWT.CENTER);
    fdRemoveAll.top = new FormAttachment(wAddAll, margin);
    wRemoveAll.setLayoutData(fdRemoveAll);
    FormData fdRemoveOne = new FormData();
    fdRemoveOne.left = new FormAttachment(compmiddle, 0, SWT.CENTER);
    fdRemoveOne.top = new FormAttachment(wRemoveAll, margin);
    wRemoveOne.setLayoutData(fdRemoveOne);
    // ///////////////////////////////
    // 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("Your selection:");
    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[] { 45, 10, 45 });
    // 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) {
            String[] sel = wListDest.getSelection();
            delFromSelection(sel);
        }
    });
    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) {
            addAllToSelection();
        }
    });
    wRemoveAll.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent e) {
            removeAllFromSelection();
        }
    });
    // set the composite as the control for this page
    setControl(composite);
}