org.drools.brms.client.common.DirtyableFlexTable.java Source code

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Here is the source code for org.drools.brms.client.common.DirtyableFlexTable.java

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package org.drools.brms.client.common;
/*
 * Copyright 2005 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.
 */

import java.util.ArrayList;
import java.util.Iterator;

import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.Widget;

public class DirtyableFlexTable extends FlexTable implements DirtyableContainer {

    private int length;
    private ArrayList list = new ArrayList();

    public boolean hasDirty() {

        Pair coordinates;
        Widget element;

        for (Iterator iter = list.iterator(); iter.hasNext();) {
            coordinates = (Pair) iter.next();
            element = (Widget) getWidget(coordinates.getRow(), coordinates.getColumn());
            if (element instanceof DirtyableWidget)
                if (((DirtyableWidget) element).isDirty())
                    return true;
            if (element instanceof DirtyableContainer)
                if (((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++, new Pair(row, column));
        }
    }

}

class Pair {
    private int row;
    private int column;

    public Pair(int row, int column) {
        this.row = row;
        this.column = column;
    }

    public int getColumn() {
        return column;
    }

    public int getRow() {
        return row;
    }

}