Examples with TableViewerCreator org.talend.commons.ui.swt.tableviewer.TableViewerCreator used on opensource projects

Example 36 with TableViewerCreator

use of org.talend.commons.ui.swt.tableviewer.TableViewerCreator in project tdi-studio-se by Talend.

the class DropContextAnalyzer method analyzeCursorOverExpressionCell.

/**
     * .
     */
@SuppressWarnings("unchecked")
private void analyzeCursorOverExpressionCell() {
    boolean targetTableIsGlobalMapTable = targetTableIsGlobalMapTable(dataMapTableViewTarget);
    DataMapTableView dataMapTableView = mapperManager.retrieveDataMapTableView(currentTableTarget);
    TableViewerCreator tableViewerCreator = null;
    if (targetTableIsGlobalMapTable) {
        tableViewerCreator = dataMapTableView.getTableViewerCreatorForGlobalMap();
    } else {
        tableViewerCreator = dataMapTableView.getTableViewerCreatorForColumns();
    }
    Point pointCursor = currentTableTarget.toControl(event.x, event.y);
    if (tableViewerCreator.getTable() != currentTableTarget) {
        isCursorOverExpressionCell = false;
        return;
    }
    int maxY = (WindowSystem.isWIN32() && currentTableTarget.getHeaderVisible() ? currentTableTarget.getHeaderHeight() : 0) + (currentTableTarget.getItemCount() * (currentTableTarget.getItemHeight() + currentTableTarget.getBorderWidth() + (WindowSystem.isGTK() ? 2 : 0)));
    if (pointCursor.y < 0 || pointCursor.y >= maxY) {
        isCursorOverExpressionCell = false;
        return;
    }
    // searching current column index
    int currentColumnIndex = 0;
    TableColumn[] columns = currentTableTarget.getColumns();
    for (int i = 0, width = 0; i < columns.length; i++) {
        TableColumn column = columns[i];
        int widthColumn = column.getWidth();
        if (pointCursor.x >= width && pointCursor.x <= width + widthColumn) {
            currentColumnIndex = i;
            break;
        }
        width += widthColumn;
    }
    if (pointCursor.y < currentTableTarget.getHeaderHeight()) {
        isCursorOverHeader = true;
    } else {
        isCursorOverHeader = false;
    }
    List<TableViewerCreatorColumnNotModifiable> viewerColumns = tableViewerCreator.getColumns();
    TableViewerCreatorColumnNotModifiable viewerColumn = viewerColumns.get(currentColumnIndex);
    if (DataMapTableView.ID_EXPRESSION_COLUMN.equals(viewerColumn.getId())) {
        isCursorOverExpressionCell = true;
    } else {
        isCursorOverExpressionCell = false;
    }
}