listtablemodel.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.web.data.results;

import java.util.List;

/**
 * @author Carsten Piepel
 * 
 */
public class ListTableModel extends AbstractTableModel {

    /**
     * The current row index (0-based).
     */
    private int rowIndex = -1;

    /**
     * The list we are wrapping.
     */
    @SuppressWarnings("unchecked")
    private List data;

    private EntityInfo entityInfo;

    /**
     * <p>
     * Construct a new {@link ListTableModel} with no specified bound data.
     * </p>
     */
    public ListTableModel() {
        this(null);
    }

    /**
     * <p>
     * Construct a new {@link ListTableModel} binding the specified list.
     * </p>
     * 
     * @param data
     *            List to be wrapped (if any)
     */
    @SuppressWarnings("unchecked")
    public ListTableModel(List data) {
        super();
        setData(data);
    }

    public boolean isRowAvailable() {
        if (data == null) {
            return (false);
        } else if ((rowIndex >= 0) && (rowIndex < data.size())) {
            return (true);
        } else {
            return (false);
        }
    }

    public int getRowCount() {
        if (data == null) {
            return (-1);
        }
        return (data.size());
    }

    public Object getRowData() throws DataBindingException {
        if (data == null) {
            return (null);
        } else if (!isRowAvailable()) {
            throw new IllegalArgumentException("no row available");
        } else {
            return (data.get(rowIndex));
        }
    }

    public Object getRowData(int rowIndex) throws DataBindingException {
        if (data == null) {
            return (null);
        } else if (rowIndex < 0) {
            throw new IllegalArgumentException("rowIndex < 0");
        } else if (rowIndex >= data.size()) {
            throw new IllegalArgumentException("rowIndex >= getRowCount()");
        } else {
            return (data.get(rowIndex));
        }
    }

    public int getRowIndex() {
        return rowIndex;
    }

    public void setRowIndex(int rowIndex) {
        if (rowIndex < -1) {
            throw new IllegalArgumentException();
        }
        int oldIndex = this.rowIndex;
        this.rowIndex = rowIndex;
        if (data == null) {
            return;
        }
        if (oldIndex != rowIndex) {
            Object rowData = null;
            if (isRowAvailable()) {
                rowData = getRowData();
            }
            RowSelectionEvent event =
                    new RowSelectionEvent(this, rowIndex, rowData);
            fireRowSelectedEvent(event);
        }
    }

    public Object getData() {
        return getListData();
    }

    @SuppressWarnings("unchecked")
    public void setData(Object data) {
        setListData((List) data);
    }

    @SuppressWarnings("unchecked")
    public List getListData() {
        return data;
    }

    @SuppressWarnings("unchecked")
    public void setListData(List data) {
        this.data = data;
        if (getRowIndex() > -1) {
            rowIndex = -1;
        }
        if (getPageIndex() > -1) {
            pageIndex = -1;
        }

        DataBindingEvent event = new DataBindingEvent(this, this.data);
        fireDataBoundEvent(event);
    }

    public EntityInfo getEntityInfo() {
        return entityInfo;
    }

    public void setEntityInfo(EntityInfo entityInfo) {
        this.entityInfo = entityInfo;
    }
}