Java tutorial
/* * Copyright 2012 JBoss Inc * * 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.client.common; import java.util.ArrayList; import java.util.List; import com.google.gwt.user.client.ui.FlexTable; import com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant; import com.google.gwt.user.client.ui.Widget; import org.kie.commons.data.Pair; public class DirtyableFlexTable extends FlexTable implements DirtyableContainer { private int length; private List<Pair<Integer, Integer>> list = new ArrayList<Pair<Integer, Integer>>(); public boolean hasDirty() { for (final Pair<Integer, Integer> coord : list) { final Widget element = getWidget(coord.getK1(), coord.getK2()); if ((element instanceof DirtyableWidget && ((DirtyableWidget) element).isDirty()) || (element instanceof DirtyableContainer && ((DirtyableContainer) element).hasDirty())) { return true; } } return false; } public void setWidget(int row, int column, Widget arg2) { super.setWidget(row, column, arg2); if (arg2 instanceof IDirtyable) { list.add(length++, Pair.newPair(row, column)); } } public void setHorizontalAlignmentForFlexCellFormatter(int row, int column, HorizontalAlignmentConstant horizontalAlignmentConstant) { getFlexCellFormatter().setHorizontalAlignment(row, column, horizontalAlignmentConstant); } }