| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * 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 com.intellij.ui.components; |
| |
| import javax.swing.*; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| public class FixedColumnsModel extends MultiColumnListModel { |
| private final int myMaxColumns; |
| |
| public FixedColumnsModel(ListModel model, int maxColumns) { |
| super(model); |
| myMaxColumns = maxColumns; |
| } |
| |
| @Override |
| public int getRowCount() { |
| final int columns = getColumnCount(); |
| return columns == 0 ? 0 : getSize() / columns + 1; |
| } |
| |
| @Override |
| public int getColumnCount() { |
| return Math.min(myMaxColumns, getSize()); |
| } |
| |
| @Override |
| public int toListIndex(int row, int column) { |
| final int columns = getColumnCount(); |
| return columns == 0 ? -1 : row * columns + column; |
| } |
| |
| @Override |
| public int getColumn(int listIndex) { |
| return listIndex % myMaxColumns; |
| } |
| |
| @Override |
| public int getRow(int listIndex) { |
| return listIndex / myMaxColumns; |
| } |
| } |