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OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning. This module contains the examples which demonstrate how to use it in a normal Java application.
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/*
 * Copyright 2013 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.optaplanner.examples.common.swingui.timetable;

import java.awt.Dimension;
import java.awt.Rectangle;
import java.util.HashMap;
import java.util.Map;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.JViewport;
import javax.swing.Scrollable;

import org.optaplanner.examples.common.swingui.SolutionPanel;

public class TimeTablePanel extends JPanel implements Scrollable  {

    private TimeTableLayout layout = new TimeTableLayout();
    private Map xMap = new HashMap();
    private Map yMap = new HashMap();

    public TimeTablePanel() {
        setLayout(layout);
    }

    public void reset() {
        removeAll();
        layout.reset();
        xMap.clear();
        yMap.clear();
    }

    // ************************************************************************
    // Define methods
    // ************************************************************************

    public void defineColumnHeaderByKey(HeaderColumnKey xObject) {
        int x = layout.addColumn();
        xMap.put(xObject, x);
    }

    public void defineColumnHeader(XObject xObject) {
        int x = layout.addColumn();
        xMap.put(xObject, x);
    }

    public void defineColumnHeader(XObject xObject, int width) {
        int x = layout.addColumn(width);
        xMap.put(xObject, x);
    }

    public void defineRowHeaderByKey(HeaderRowKey yObject) {
        int y = layout.addRow();
        yMap.put(yObject, y);
    }

    public void defineRowHeader(YObject yObject) {
        int y = layout.addRow();
        yMap.put(yObject, y);
    }

    public void defineRowHeader(YObject yObject, int height) {
        int y = layout.addRow(height);
        yMap.put(yObject, y);
    }

    // ************************************************************************
    // Add methods
    // ************************************************************************

    public void addCornerHeader(HeaderColumnKey xObject, HeaderRowKey yObject, JComponent component) {
        int x = xMap.get(xObject);
        int y = yMap.get(yObject);
        add(component, new TimeTableLayoutConstraints(x, y, true));
    }

    public void addColumnHeader(XObject xObject, HeaderRowKey yObject, JComponent component) {
        int x = xMap.get(xObject);
        int y = yMap.get(yObject);
        add(component, new TimeTableLayoutConstraints(x, y, true));
    }

    public void addColumnHeader(XObject xObject1, HeaderRowKey yObject1, XObject xObject2, HeaderRowKey yObject2,
            JComponent component) {
        int x1 = xMap.get(xObject1);
        int y1 = yMap.get(yObject1);
        int x2 = xMap.get(xObject2);
        int y2 = yMap.get(yObject2);
        add(component, new TimeTableLayoutConstraints(x1, y1, x2 - x1 + 1, y2 - y1 + 1, true));
    }

    public void addRowHeader(HeaderColumnKey xObject, YObject yObject, JComponent component) {
        int x = xMap.get(xObject);
        int y = yMap.get(yObject);
        add(component, new TimeTableLayoutConstraints(x, y, true));
    }

    public void addRowHeader(HeaderColumnKey xObject1, YObject yObject1, HeaderColumnKey xObject2, YObject yObject2,
            JComponent component) {
        int x1 = xMap.get(xObject1);
        int y1 = yMap.get(yObject1);
        int x2 = xMap.get(xObject2);
        int y2 = yMap.get(yObject2);
        add(component, new TimeTableLayoutConstraints(x1, y1, x2 - x1 + 1, y2 - y1 + 1, true));
    }

    public void addCell(XObject xObject, YObject yObject, JComponent component) {
        int x = xMap.get(xObject);
        int y = yMap.get(yObject);
        add(component, new TimeTableLayoutConstraints(x, y));
    }

    public void addCell(XObject xObject1, YObject yObject1, XObject xObject2, YObject yObject2, JComponent component) {
        int x1 = xMap.get(xObject1);
        int y1 = yMap.get(yObject1);
        int x2 = xMap.get(xObject2);
        int y2 = yMap.get(yObject2);
        add(component, new TimeTableLayoutConstraints(x1, y1, x2 - x1 + 1, y2 - y1 + 1));
    }

    // ************************************************************************
    // Scrollable methods
    // ************************************************************************

    public Dimension getPreferredScrollableViewportSize() {
        return SolutionPanel.PREFERRED_SCROLLABLE_VIEWPORT_SIZE;
    }

    public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) {
        return 20;
    }

    public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction) {
        return 20;
    }

    public boolean getScrollableTracksViewportWidth() {
        if (getParent() instanceof JViewport) {
            return (((JViewport) getParent()).getWidth() > getPreferredSize().width);
        }
        return false;
    }

    public boolean getScrollableTracksViewportHeight() {
        if (getParent() instanceof JViewport) {
            return (((JViewport) getParent()).getHeight() > getPreferredSize().height);
        }
        return false;
    }

    public static enum HeaderColumnKey {
        HEADER_COLUMN_GROUP2,
        HEADER_COLUMN_GROUP1,
        HEADER_COLUMN,
        TRAILING_HEADER_COLUMN;
    }

    public static enum HeaderRowKey {
        HEADER_ROW_GROUP2,
        HEADER_ROW_GROUP1,
        HEADER_ROW,
        TRAILING_HEADER_ROW;
    }

}