Examples with Handler com.google.gwt.user.cellview.client.ColumnSortEvent.Handler used on opensource projects

Example 1 with Handler

use of com.google.gwt.user.cellview.client.ColumnSortEvent.Handler in project rstudio by rstudio.

the class FilesList method addColumnSortHandler.

private void addColumnSortHandler() {
    filesDataGrid_.addColumnSortHandler(new Handler() {

        @Override
        public void onColumnSort(ColumnSortEvent event) {
            ColumnSortList sortList = event.getColumnSortList();
            // insert the default initial sort order for size and modified
            if (!applyingProgrammaticSort_) {
                if (event.getColumn().equals(sizeColumn_) && forceSizeSortDescending) {
                    forceSizeSortDescending = false;
                    forceModifiedSortDescending = true;
                    sortList.insert(0, new com.google.gwt.user.cellview.client.ColumnSortList.ColumnSortInfo(event.getColumn(), false));
                } else if (event.getColumn().equals(modifiedColumn_) && forceModifiedSortDescending) {
                    forceModifiedSortDescending = false;
                    forceSizeSortDescending = true;
                    sortList.insert(0, new com.google.gwt.user.cellview.client.ColumnSortList.ColumnSortInfo(event.getColumn(), false));
                } else {
                    forceModifiedSortDescending = true;
                    forceSizeSortDescending = true;
                }
            }
            // record sort order and fire event to observer
            JsArray<ColumnSortInfo> sortOrder = newSortOrderArray();
            for (int i = 0; i < sortList.size(); i++) {
                // match the column index
                com.google.gwt.user.cellview.client.ColumnSortList.ColumnSortInfo sortInfo = sortList.get(i);
                Object column = sortInfo.getColumn();
                for (int c = 0; c < filesDataGrid_.getColumnCount(); c++) {
                    if (filesDataGrid_.getColumn(c).equals(column)) {
                        boolean ascending = sortInfo.isAscending();
                        sortOrder.push(ColumnSortInfo.create(c, ascending));
                        break;
                    }
                }
            }
            observer_.onColumnSortOrderChanaged(sortOrder);
            // record active sort column ascending state
            activeSortColumnAscending_ = event.isSortAscending();
            // delegate the sort
            sortHandler_.onColumnSort(event);
        }

        private final native JsArray<ColumnSortInfo> newSortOrderArray();

        private boolean forceSizeSortDescending = true;

        private boolean forceModifiedSortDescending = true;
    });
}