Examples with ColumnPixelData org.eclipse.jface.viewers.ColumnPixelData used on opensource projects

Example 46 with ColumnPixelData

use of org.eclipse.jface.viewers.ColumnPixelData in project yamcs-studio by yamcs.

the class PVTupleTableEditor method createPVTupleListTableViewer.

/**
 * Creates and configures a {@link TableViewer}.
 *
 * @param parent
 *            The parent for the table
 * @return The {@link TableViewer}
 */
private TableViewer createPVTupleListTableViewer(Composite parent, TableColumnLayout tcl) {
    var viewer = new TableViewer(parent, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER | SWT.FULL_SELECTION | SWT.MULTI);
    viewer.getTable().setLinesVisible(true);
    viewer.getTable().setHeaderVisible(true);
    var numColumn = new TableViewerColumn(viewer, SWT.NONE);
    numColumn.getColumn().setText("#");
    tcl.setColumnData(numColumn.getColumn(), new ColumnPixelData(50));
    var pvColumn = new TableViewerColumn(viewer, SWT.NONE);
    pvColumn.getColumn().setText("PV Name");
    tcl.setColumnData(pvColumn.getColumn(), new ColumnWeightData(50));
    pvColumn.setEditingSupport(new PVColumnEditingSupport(viewer, viewer.getTable()));
    var trigColumn = new TableViewerColumn(viewer, SWT.NONE);
    trigColumn.getColumn().setText("Trigger");
    tcl.setColumnData(trigColumn.getColumn(), new ColumnPixelData(50));
    trigColumn.setEditingSupport(new TriggerColumnEditingSupport(viewer, viewer.getTable()));
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.setLabelProvider(new PVTupleLabelProvider(pvTupleList));
    viewer.addSelectionChangedListener(event -> refreshToolbarOnSelection());
    viewer.getTable().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    var target = new DropTarget(viewer.getControl(), DND.DROP_MOVE | DND.DROP_COPY);
    target.setTransfer(new Transfer[] { TextTransfer.getInstance() });
    target.addDropListener(new DropTargetListener() {

        @Override
        public void dragEnter(DropTargetEvent event) {
        }

        @Override
        public void dragLeave(DropTargetEvent event) {
        }

        @Override
        public void dragOperationChanged(DropTargetEvent event) {
        }

        @Override
        public void dragOver(DropTargetEvent event) {
        }

        @Override
        public void drop(DropTargetEvent event) {
            if (event == null || !(event.data instanceof String)) {
                return;
            }
            var txt = (String) event.data;
            var names = txt.split("[\r\n]+");
            var tuples = new PVTuple[names.length];
            var i = 0;
            for (var name : names) {
                tuples[i] = new PVTuple(name, true);
                pvTupleList.add(tuples[i]);
                i++;
            }
            refreshTableViewerFromAction(tuples);
        }

        @Override
        public void dropAccept(DropTargetEvent event) {
        }
    });
    return viewer;
}