Example usage for org.eclipse.jface.util DelegatingDragAdapter getTransfers

Introduction

In this page you can find the example usage for org.eclipse.jface.util DelegatingDragAdapter getTransfers.

Prototype

public Transfer[] getTransfers() 

Source Link

Document

Returns the Transfers from every TransferDragSourceListener.

Usage

From source file:eu.geclipse.ui.views.GridModelViewPart.java

License:Open Source License

protected void initDrag(final StructuredViewer sViewer) {
    int operations = DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_DEFAULT;
    DelegatingDragAdapter adapter = new DelegatingDragAdapter();
    addDragSourceListeners(adapter);/*from  ww w.  jav a  2s.co  m*/
    sViewer.addDragSupport(operations, adapter.getTransfers(), adapter);
}

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From source file:org.peprframework.ide.views.pages.input.InputPage.java

License:Apache License

private void createInputTargetViewer() {
    Section section = toolkit.createSection(panel,
            Section.SHORT_TITLE_BAR | Section.EXPANDED | Section.CLIENT_INDENT | Section.DESCRIPTION);
    GridData data = new GridData(SWT.FILL, SWT.FILL, false, false);
    data.widthHint = 400;/*from  w ww  . j  a  v a  2s. com*/
    section.setLayoutData(data);
    section.setText("Input");
    section.setDescription("The input parameters of the selected Activity.");

    targetViewerContentProvider = new InputTargetContentProvider();
    targetViewerLabelProvider = new InputTargetLabelProvider();
    targetViewer = new TableViewer(section, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.SINGLE);
    //      targetViewer = new ListViewer(section, SWT.SINGLE | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    TableViewerColumn typeColumn = new TableViewerColumn(targetViewer, SWT.NONE);
    typeColumn.getColumn().setWidth(80);
    TableViewerColumn nameColumn = new TableViewerColumn(targetViewer, SWT.NONE);
    nameColumn.getColumn().setWidth(320);
    targetViewer.getTable().setHeaderVisible(false);
    targetViewer.setSorter(new ViewerSorter() {

        /* (non-Javadoc)
         * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
         */
        @Override
        public int compare(Viewer viewer, Object e1, Object e2) {
            InputProperty p1 = (InputProperty) e1;
            InputProperty p2 = (InputProperty) e2;

            return p1.getName().compareTo(p2.getName());
        }

    });
    section.setClient(targetViewer.getControl());

    targetViewer.setContentProvider(targetViewerContentProvider);
    targetViewer.setLabelProvider(targetViewerLabelProvider);

    // DnD
    DelegatingDragAdapter dragAdapter = new DelegatingDragAdapter();
    dragAdapter.addDragSourceListener(new TransferDragSourceListener() {

        private IStructuredSelection selection;

        public void dragStart(DragSourceEvent event) {
            IStructuredSelection selection = (IStructuredSelection) targetViewer.getSelection();

            if (!selection.isEmpty() && selection.getFirstElement() instanceof InputProperty) {
                this.selection = selection;
                event.doit = true;
            } else {
                this.selection = null;
                event.doit = false;
            }
        }

        public void dragSetData(DragSourceEvent event) {
            InputProperty inputProperty = (InputProperty) this.selection.getFirstElement();
            event.data = "input." + inputProperty.getName() + " = ";
        }

        public void dragFinished(DragSourceEvent event) {
        }

        public Transfer getTransfer() {
            return TextTransfer.getInstance();
        }
    });
    targetViewer.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE, dragAdapter.getTransfers(), dragAdapter);
}

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From source file:org.peprframework.ide.views.pages.input.InputPage.java

License:Apache License

private void createInputSourceViewer() {
    Section section = toolkit.createSection(panel,
            Section.SHORT_TITLE_BAR | Section.EXPANDED | Section.CLIENT_INDENT | Section.DESCRIPTION);
    GridData data = new GridData(SWT.FILL, SWT.FILL, false, true);
    section.setLayoutData(data);// ww w  .  j a v a  2s  .c  o  m
    section.setText("Context");
    section.setDescription("The available output of previous Activities in the current Context.");

    sourceViewerContentProvider = new InputSourceContentProvider();
    sourceViewerLabelProvider = new InputSourceLabelProvider();
    sourceViewer = new TreeViewer(section);
    section.setClient(sourceViewer.getControl());

    sourceViewer.setContentProvider(sourceViewerContentProvider);
    sourceViewer.setLabelProvider(sourceViewerLabelProvider);

    sourceViewer.setSorter(new ViewerSorter() {

        /* (non-Javadoc)
         * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
         */
        @Override
        public int compare(Viewer viewer, Object e1, Object e2) {
            if (e1 instanceof Activity && e2 instanceof Activity) {
                return ((Activity) e1).getName().compareTo(((Activity) e2).getName());
            }

            return ((OutputProperty) e1).getName().compareTo(((OutputProperty) e2).getName());
        }

    });

    // DnD
    DelegatingDragAdapter dragAdapter = new DelegatingDragAdapter();
    dragAdapter.addDragSourceListener(new TransferDragSourceListener() {

        private ITreeSelection selection;

        public void dragStart(DragSourceEvent event) {
            ITreeSelection selection = (ITreeSelection) sourceViewer.getSelection();

            if (!selection.isEmpty() && selection.getFirstElement() instanceof OutputProperty) {
                this.selection = selection;
                event.doit = true;
            } else {
                this.selection = null;
                event.doit = false;
            }
        }

        public void dragSetData(DragSourceEvent event) {
            OutputProperty outputProperty = (OutputProperty) this.selection.getFirstElement();
            event.data = "context.get(\"" + outputProperty.getSource() + "\")." + outputProperty.getName();
        }

        public void dragFinished(DragSourceEvent event) {
        }

        public Transfer getTransfer() {
            return TextTransfer.getInstance();
        }
    });
    sourceViewer.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE, dragAdapter.getTransfers(), dragAdapter);
}

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