RemoveColumnRefLabelProvider.java example

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ares-studio-master
/**
 * Դ�������ƣ�TableColumnChineseNameLabelProvider.java
 * �������Ȩ���������ӹɷ����޹�˾ ��Ȩ����
 * ϵͳ���ƣ�JRES Studio
 * ģ�����ƣ�com.hundsun.ares.studio.jres.database.ui
 * ����˵����$desc
 * ����ĵ���
 * ���ߣ�
 */
package com.hundsun.ares.studio.jres.clearinghouse.provider;

import org.apache.commons.lang.StringUtils;
import org.eclipse.jface.viewers.ColumnLabelProvider;

import com.hundsun.ares.studio.core.IARESBundle;
import com.hundsun.ares.studio.core.IARESProject;
import com.hundsun.ares.studio.core.service.DataServiceManager;
import com.hundsun.ares.studio.jres.metadata.service.IMetadataService;
import com.hundsun.ares.studio.jres.metadata.service.IStandardField;
import com.hundsun.ares.studio.jres.model.chouse.RemovedTableColumn;
import com.hundsun.ares.studio.jres.model.database.ColumnType;

/**
 * @author gongyf
 *
 */
public class RemoveColumnRefLabelProvider extends ColumnLabelProvider {
	
	public enum TYPE {
		ChineseName, Type, Desciption
	}
	
	private IARESBundle bundle;
	private TYPE type;
	
	/**
	 * 
	 * @param bundle 
	 * @param type ��ʾ��������Ϣ {@link TYPE}
	 */
	public RemoveColumnRefLabelProvider(IARESBundle bundle, TYPE type) {
		super();
		this.bundle = bundle;
		this.type = type;
	}


	/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.ColumnLabelProvider#getText(java.lang.Object)
	 */
	@Override
	public String getText(Object element) {
		RemovedTableColumn column = (RemovedTableColumn) element;
		// �Ǳ�׼�ֶ�ֱ�ӷ������Ե�ֵ
		if (column.getColumnType() == ColumnType.NON_STD_FIELD) {
			switch (type) {
			case ChineseName:
				return StringUtils.defaultString(column.getChineseName()) ;
			case Desciption:
				return StringUtils.defaultString(column.getDescription()) ;
			case Type:
				return StringUtils.defaultString(column.getDataType()) ;
			}
			return StringUtils.EMPTY;
		}
		IARESProject project = com.hundsun.ares.studio.core.util.ResourcesUtil.getARESProject(bundle);
		IMetadataService service = DataServiceManager.getInstance().getService(project, IMetadataService.class);
		if (service != null) {
			IStandardField filed = service.getStandardField(column.getName());
			if (filed != null) {
				switch (type) {
				case ChineseName:
					return StringUtils.defaultString(filed.getChineseName()) ;
				case Desciption:
					return StringUtils.defaultString(filed.getDescription()) ;
				case Type:
					return StringUtils.defaultString(filed.getDataTypeId()) ;
				}
			}
		}
		
		return StringUtils.EMPTY;
	}
}