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

Example 21 with DragSourceListener

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

the class DatabaseStructureView method addSession.

/**
 * Add a new session to the database structure view. This will create a new tab for the session.
 *
 * @param session
 */
private void addSession(final MetaDataSession session) throws SQLCannotConnectException {
    if (_allSessions.contains(session)) {
        return;
    }
    try {
        session.getMetaData();
        session.setAutoCommit(true);
    } catch (SQLCannotConnectException e) {
        SQLExplorerPlugin.error(e);
        throw e;
    } catch (SQLException e) {
        SQLExplorerPlugin.error(e);
        MessageDialog.openError(getSite().getShell(), "Cannot connect", e.getMessage());
    }
    DatabaseNode rootNode = session.getRoot();
    if (rootNode == null) {
        return;
    }
    _allSessions.add(session);
    if (_filterAction != null) {
        _filterAction.setEnabled(true);
    }
    if (_tabFolder == null || _tabFolder.isDisposed()) {
        clearParent();
        // create tab folder for different sessions
        _tabFolder = new CTabFolder(_parent, SWT.TOP | SWT.CLOSE);
        // add listener to keep both views on the same active tab
        _tabFolder.addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(SelectionEvent e) {
                // set the selected node in the detail view.
                DatabaseDetailView detailView = (DatabaseDetailView) getSite().getPage().findView(SqlexplorerViewConstants.SQLEXPLORER_DBDETAIL);
                synchronizeDetailView(detailView);
            }
        });
        // Set up a gradient background for the selected tab
        Display display = getSite().getShell().getDisplay();
        _tabFolder.setSelectionBackground(new Color[] { display.getSystemColor(SWT.COLOR_WHITE), new Color(null, 211, 225, 250), new Color(null, 175, 201, 246), IConstants.TAB_BORDER_COLOR }, new int[] { 25, 50, 75 }, true);
        // Add a listener to handle the close button on each tab
        _tabFolder.addCTabFolder2Listener(new CTabFolder2Adapter() {

            @Override
            public void close(CTabFolderEvent event) {
                CTabItem tabItem = (CTabItem) event.item;
                TabData tabData = (TabData) tabItem.getData();
                _allSessions.remove(tabData.session);
                event.doit = true;
            }
        });
        _parent.layout();
        _parent.redraw();
    }
    // create tab
    final CTabItem tabItem = new CTabItem(_tabFolder, SWT.NULL);
    TabData tabData = new TabData();
    tabItem.setData(tabData);
    tabData.session = session;
    // set tab text
    String labelText = session.getUser().getDescription();
    tabItem.setText(labelText);
    // create composite for our outline
    Composite composite = new Composite(_tabFolder, SWT.NULL);
    composite.setLayout(new FillLayout());
    tabItem.setControl(composite);
    // create outline
    final TreeViewer treeViewer = new TreeViewer(composite, SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.BORDER);
    tabData.treeViewer = treeViewer;
    // add drag support
    // TODO improve drag support options
    Transfer[] transfers = new Transfer[] { TableNodeTransfer.getInstance() };
    treeViewer.addDragSupport(DND.DROP_COPY, transfers, new DragSourceListener() {

        public void dragFinished(DragSourceEvent event) {
            System.out.println("$drag finished");
            TableNodeTransfer.getInstance().setSelection(null);
        }

        public void dragSetData(DragSourceEvent event) {
            Object sel = ((IStructuredSelection) treeViewer.getSelection()).getFirstElement();
            event.data = sel;
        }

        public void dragStart(DragSourceEvent event) {
            event.doit = !treeViewer.getSelection().isEmpty();
            if (event.doit) {
                Object sel = ((IStructuredSelection) treeViewer.getSelection()).getFirstElement();
                if (!(sel instanceof TableNode)) {
                    event.doit = false;
                } else {
                    TableNode tn = (TableNode) sel;
                    TableNodeTransfer.getInstance().setSelection(tn);
                    if (!tn.isTable()) {
                        event.doit = false;
                    }
                }
            }
        }
    });
    // use hash lookup to improve performance
    treeViewer.setUseHashlookup(true);
    // add content and label provider
    treeViewer.setContentProvider(new DBTreeContentProvider());
    treeViewer.setLabelProvider(new DBTreeLabelProvider());
    // set input session
    treeViewer.setInput(rootNode);
    // add selection change listener, so we can update detail view as
    // required.
    treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        public void selectionChanged(SelectionChangedEvent ev) {
            // set the selected node in the detail view.
            DatabaseDetailView detailView = (DatabaseDetailView) getSite().getPage().findView(SqlexplorerViewConstants.SQLEXPLORER_DBDETAIL);
            synchronizeDetailView(detailView);
        }
    });
    // bring detail to front on doubleclick of node
    treeViewer.addDoubleClickListener(new IDoubleClickListener() {

        public void doubleClick(DoubleClickEvent event) {
            try {
                // find view
                DatabaseDetailView detailView = (DatabaseDetailView) getSite().getPage().findView(SqlexplorerViewConstants.SQLEXPLORER_DBDETAIL);
                if (detailView == null) {
                    getSite().getPage().showView(SqlexplorerViewConstants.SQLEXPLORER_DBDETAIL);
                }
                getSite().getPage().bringToTop(detailView);
                synchronizeDetailView(detailView);
            } catch (Exception e) {
            // fail silent
            }
        }
    });
    // add expand/collapse listener
    treeViewer.addTreeListener(new ITreeViewerListener() {

        public void treeCollapsed(TreeExpansionEvent event) {
            // refresh the node to change image
            INode node = (INode) event.getElement();
            node.setExpanded(false);
            TreeViewer viewer = (TreeViewer) event.getSource();
            viewer.update(node, null);
        }

        public void treeExpanded(TreeExpansionEvent event) {
            // refresh the node to change image
            INode node = (INode) event.getElement();
            node.setExpanded(true);
            TreeViewer viewer = (TreeViewer) event.getSource();
            viewer.update(node, null);
        }
    });
    // set new tab as the active one
    _tabFolder.setSelection(_tabFolder.getItemCount() - 1);
    // update detail view
    DatabaseDetailView detailView = (DatabaseDetailView) getSite().getPage().findView(SqlexplorerViewConstants.SQLEXPLORER_DBDETAIL);
    if (detailView != null) {
        // synchronze detail view with new session
        synchronizeDetailView(detailView);
        // bring detail to top of the view stack
        getSite().getPage().bringToTop(detailView);
    }
    // refresh view
    composite.layout();
    _tabFolder.layout();
    _tabFolder.redraw();
    // bring this view to top of the view stack, above detail if needed..
    getSite().getPage().bringToTop(this);
    // add context menu
    final DBTreeActionGroup actionGroup = new DBTreeActionGroup(treeViewer);
    MenuManager menuManager = new MenuManager("DBTreeContextMenu");
    menuManager.setRemoveAllWhenShown(true);
    Menu contextMenu = menuManager.createContextMenu(treeViewer.getTree());
    treeViewer.getTree().setMenu(contextMenu);
    menuManager.addMenuListener(new IMenuListener() {

        public void menuAboutToShow(IMenuManager manager) {
            actionGroup.fillContextMenu(manager);
        }
    });
// if (sessionSelectionMap.containsKey(tabData.session)) {
// tabData.treeViewer.setSelection(sessionSelectionMap.get(tabData.session));
// sessionSelectionMap.remove(tabData.session);
// _allSessions.remove(tabData.session);
// }
}

Example 22 with DragSourceListener

use of org.eclipse.swt.dnd.DragSourceListener 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 23 with DragSourceListener

use of org.eclipse.swt.dnd.DragSourceListener 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);
}

Example 24 with DragSourceListener

use of org.eclipse.swt.dnd.DragSourceListener in project archi by archimatetool.

the class UsedInRelationshipsSection method createTableControl.

private void createTableControl(Composite parent) {
    createLabel(parent, Messages.UsedInRelationshipsSection_0, ITabbedLayoutConstants.STANDARD_LABEL_WIDTH, SWT.NONE);
    // Table
    Composite tableComp = createTableComposite(parent, SWT.NONE);
    TableColumnLayout tableLayout = (TableColumnLayout) tableComp.getLayout();
    fTableViewer = new TableViewer(tableComp, SWT.BORDER | SWT.FULL_SELECTION | SWT.MULTI);
    // Font
    UIUtils.setFontFromPreferences(fTableViewer.getTable(), IPreferenceConstants.ANALYSIS_TABLE_FONT, true);
    // Mac Silicon Item height
    UIUtils.fixMacSiliconItemHeight(fTableViewer.getTable());
    // Column
    TableViewerColumn column = new TableViewerColumn(fTableViewer, SWT.NONE, 0);
    tableLayout.setColumnData(column.getColumn(), new ColumnWeightData(100, false));
    // On Mac shows alternate table row colours
    fTableViewer.getTable().setLinesVisible(true);
    // Help ID
    PlatformUI.getWorkbench().getHelpSystem().setHelp(fTableViewer.getTable(), HELP_ID);
    fTableViewer.setContentProvider(new IStructuredContentProvider() {

        @Override
        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }

        @Override
        public void dispose() {
        }

        @Override
        public Object[] getElements(Object inputElement) {
            return ArchimateModelUtils.getAllRelationshipsForConcept((IArchimateConcept) inputElement).toArray();
        }
    });
    fTableViewer.setLabelProvider(new UsedInRelationshipsTableLabelProvider());
    fTableViewer.addDoubleClickListener(new IDoubleClickListener() {

        @Override
        public void doubleClick(DoubleClickEvent event) {
            if (isAlive(fArchimateConcept)) {
                Object o = ((IStructuredSelection) event.getSelection()).getFirstElement();
                if (o instanceof IArchimateRelationship) {
                    IArchimateRelationship relation = (IArchimateRelationship) o;
                    ITreeModelView view = (ITreeModelView) ViewManager.findViewPart(ITreeModelView.ID);
                    if (view != null) {
                        view.getViewer().setSelection(new StructuredSelection(relation), true);
                    }
                }
            }
        }
    });
    fTableViewer.setComparator(new ViewerComparator());
    // DND
    fTableViewer.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE, new Transfer[] { LocalSelectionTransfer.getTransfer() }, new DragSourceListener() {

        @Override
        public void dragStart(DragSourceEvent event) {
            // Drag started from the Table
            LocalSelectionTransfer.getTransfer().setSelection(fTableViewer.getSelection());
            event.doit = true;
        }

        @Override
        public void dragSetData(DragSourceEvent event) {
            // For consistency set the data to the selection even though
            // the selection is provided by the LocalSelectionTransfer
            // to the drop target adapter.
            event.data = LocalSelectionTransfer.getTransfer().getSelection();
        }

        @Override
        public void dragFinished(DragSourceEvent event) {
            LocalSelectionTransfer.getTransfer().setSelection(null);
        }
    });
}

Example 25 with DragSourceListener

use of org.eclipse.swt.dnd.DragSourceListener in project archi by archimatetool.

the class UserPropertiesSection method addDragSupport.

/*
     * Drag Source support
     */
private void addDragSupport() {
    int operations = DND.DROP_MOVE;
    Transfer[] transferTypes = new Transfer[] { LocalSelectionTransfer.getTransfer() };
    fTableViewer.addDragSupport(operations, transferTypes, new DragSourceListener() {

        @Override
        public void dragFinished(DragSourceEvent event) {
            LocalSelectionTransfer.getTransfer().setSelection(null);
            fDragSourceValid = false;
        }

        @Override
        public void dragSetData(DragSourceEvent event) {
            // For consistency set the data to the selection even though
            // the selection is provided by the LocalSelectionTransfer
            // to the drop target adapter.
            event.data = LocalSelectionTransfer.getTransfer().getSelection();
        }

        @Override
        public void dragStart(DragSourceEvent event) {
            if (isAlive(fPropertiesElement)) {
                IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
                LocalSelectionTransfer.getTransfer().setSelection(selection);
                event.doit = true;
                fDragSourceValid = true;
            }
        }
    });
}