/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.uberfire.ext.wires.core.grids.client.util;
import java.util.List;
import org.uberfire.ext.wires.core.grids.client.model.GridColumn;
/**
* Utilities class
*/
public class ColumnIndexUtilities {
/**
* Finds the UI Column index corresponding to a Model Column index from the provided range of columns.
* A "UI Column" is a Canvas element as rendered from left-to-right representing a Grid. Index 0 would
* be the left most column, index N would be the right most column. A "Model Column index" is the index
* a column relates to in the Row's data. Row data is not reordered when columns are reordered.
* @param columns The range of columns to check. Cannot be null.
* @param modelColumnIndex The index a model column represents in a row of data.
* @return The UI Column index corresponding to model column index.
*/
public static int findUiColumnIndex(final List<GridColumn<?>> columns,
final int modelColumnIndex) {
for (int uiColumnIndex = 0; uiColumnIndex < columns.size(); uiColumnIndex++) {
final GridColumn<?> c = columns.get(uiColumnIndex);
if (c.getIndex() == modelColumnIndex) {
return uiColumnIndex;
}
}
throw new IllegalStateException("Column was not found!");
}
}