combobindedtablecolumn.java

Eclipse RCP下编写的工作管理软件代码

/**
 * 
 */
package net.sf.component.table;

import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ComboBoxCellEditor;
import org.eclipse.swt.SWT;

/**
 * $Id: ComboBindedTableColumn.java 844 2005-09-12 03:18:14Z yflei $
 * Created Date: 2005-7-19
 * @author SimonLei
 */
public class ComboBindedTableColumn extends BindedTableColumn {
	
	private Object[] comboItems;

	/**
	 * @param name
	 */
	public ComboBindedTableColumn(String name) {
		super(name);
	}

	@Override
	protected CellEditor getDefaultCellEditor() {
		ComboBoxCellEditor cbce = new ComboBoxCellEditor();
		cbce.setStyle( SWT.READ_ONLY);
		cbce.setItems(getItemsFromComboItems());
		return cbce;
	}

	public String[] getItemsFromComboItems() {
		String[] strs = new String[ comboItems.length];
		for (int i = 0; i < comboItems.length; i++) {
			Object obj = comboItems[i];
			strs[i] = (obj == null ? "" : obj.toString());
		}
		return strs;
	}

	public Object[] getComboItems() {
		return comboItems;
	}

	public void setComboItems(Object[] comboItems) {
		this.comboItems = comboItems;
	}

	/* (non-Javadoc)
	 * @see com.xab.swt.table.BindedTableColumn#getValue(java.lang.Object)
	 */
	@Override
	public Object getValue(Object obj) {
		int index = 0;
		for (Object item: comboItems) {
			if ( item.equals( obj)) return new Integer( index);
			index++;
		}
		return -1;
	}

	/* (non-Javadoc)
	 * @see com.xab.swt.table.BindedTableColumn#getModifiedValue(java.lang.Object)
	 */
	@Override
	public Object getModifiedValue(Object obj) {
		Integer intValue = (Integer)obj;
		if ( intValue == -1) return null;
		return comboItems[ intValue];
	}

	@Override
	public Class getValueClass() {
		return valueClass == null ? String.class : valueClass;
	}

	/**
	 * Combo 当中值的Class，缺省为 String
	 */
	private Class valueClass;

	public void setValueClass(Class valueClass) {
		this.valueClass = valueClass;
	}
}