/*
* Copyright 2008 Sander Berents
*
* 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.gwtlib.client.table;
import org.gwtlib.client.table.ui.Column;
/**
* Column layout.
*
* @author Sander Berents
*/
public class ColumnLayout {
public interface Style {
public static final int SIMPLE = 1 << 0;
};
protected Column[] _columns;
public ColumnLayout(Column[] columns) {
_columns = columns;
}
public Column getColumn(int column) {
return _columns[column];
}
public int indexOf(Column column) {
for(int i = 0; i < _columns.length; ++i) if(column.getId() == _columns[i].getId()) return i;
return -1;
}
public int getSortColumn() {
for(int i = 0; i < _columns.length; ++i) {
Column column = _columns[i];
if(column.getSortDirection() != Column.Sort.NONE) return i;
}
return -1;
}
/**
* Returns the total number of columns.
* @return Total number of columns.
*/
public int getTotalColumnCount() {
return _columns.length;
}
/**
* Returns the number of visible columns.
* @return Number of visible columns.
*/
public int getVisibleColumnCount() {
int n = 0;
for(int i = 0; i < _columns.length; ++i) if(_columns[i].isVisible()) ++n;
return n;
}
}