it.filosganga.mobile.widgets.component.TableCell.java Source code

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Here is the source code for it.filosganga.mobile.widgets.component.TableCell.java

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/*
 * $Id$
 * 
 * This file is released under the GNU General Public License. 
 * Refer to the COPYING file distributed with this package.
 *
 * Copyright (c) 2008 WURFL-Pro S.r.l.
 */
package it.filosganga.mobile.widgets.component;

import java.util.List;

import org.apache.commons.lang.Validate;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;

/**
 * @author Filippo De Luca
 * @version $Id$
 */
public class TableCell extends CompositeComponent {

    private static final long serialVersionUID = 10L;

    private int colspan = 1;

    private boolean summary = false;

    public TableCell(List<Component> children, boolean summary, int colspan) {
        super(children);

        Validate.isTrue(colspan >= 1);

        this.summary = summary;
        this.colspan = colspan;
    }

    public TableCell(List<Component> children, boolean summary) {
        this(children, summary, 1);
    }

    public TableCell(List<Component> children) {
        this(children, false, 1);
    }

    public int getColspan() {
        return colspan;
    }

    public boolean isSummary() {
        return summary;
    }

    // Business methods ***************************************************

    public TableRow getRow() {
        return (TableRow) getParent();
    }

    public Table getTable() {

        if (getRow() == null) {
            throw new IllegalStateException("The cell have no row associated.");
        }

        return getRow().getTable();
    }

    public int getIndex() {

        if (getRow() == null) {
            throw new IllegalStateException("The cell have no row associated.");
        }

        return getRow().getColumnIndex(this);
    }

    public boolean isLast() {

        if (getRow() == null) {
            throw new IllegalStateException("The cell have no row associated.");
        }

        return getRow().isLastCell(this);
    }

    // Common methods *****************************************************

    @Override
    public boolean equals(Object obj) {
        EqualsBuilder builder = new EqualsBuilder();

        builder.appendSuper(super.equals(obj));
        if (builder.isEquals() && obj instanceof TableCell) {
            TableCell other = (TableCell) obj;
            builder.append(summary, other.summary);
            builder.append(colspan, other.colspan);
        }

        return builder.isEquals();
    }

    @Override
    public int hashCode() {
        HashCodeBuilder builder = new HashCodeBuilder();
        builder.appendSuper(super.hashCode());

        builder.append(summary);
        builder.append(colspan);

        return builder.toHashCode();
    }

    @Override
    public String toString() {
        ToStringBuilder builder = new ToStringBuilder(this);

        builder.appendSuper(super.toString());
        builder.append(summary);
        builder.append(colspan);

        return builder.toString();
    }

}