package com.vci.client.uif.actions.client;

import java.util.Map;

import com.vci.client.bof.ClientBusinessObject;
import com.vci.client.bof.ClientLinkObject;
import com.vci.client.fm.FileObject;
import com.vci.client.uif.engine.common.IDataNode;
import com.vci.mw.ClientContextVariable;

/**
 * 文档文件下载按钮
 * 对于下载操作，需要在按钮中配置fileObject oid所在字段
 * 下载操作始终针对的是BO对象，如果按钮获得的输入时LO时加载LO的FROM端或TO端对象
 * 加一个参数是否调用系统的默认打开方式
 * @author VCI-STGK006
 *
 */
public class DownloadAction extends AbstractBatchBusionessOperationAction {

	/**
	 * 操作方法
	 */
	private UIFUtils operation =
			new UIFUtils();
	
	/**
	 * 文件上传下载方法
	 */
	private FileOperation fopreation = new FileOperation(); 
	
	public DownloadAction(){
		super();
	}
	
	@Override
	public String getKey() {
		return DOWNLOAD;
	}
	
	@Override
	public boolean checkHasRight(){
		// 按BO进行数据权限检查
		setDataRightCheckType(RightCheckConstants.RIGHT_CHECK_TYPE_B);
		return super.checkHasRight();
	}

	@SuppressWarnings("unchecked")
	@Override
	public boolean doPost() {
		try {
			//显示创建窗口
			Map<String, String> paramsMap = getButtonParams();
			String oidField = paramsMap.get("oid");
			String direction = paramsMap.get("direction");
			String open = paramsMap.get("open");
			if(oidField == null || oidField.equals("")){
				oidField = "oid";
			}
			if(direction == null || direction.equals("")){
				direction = "true";
			}
			if(open == null || open.equals("")){
				open = "false";
			}
			
			//基本信息
			boolean isOpen = open.equals("true")? true : false;
			boolean isDirection = direction.equals("false")? false : true;
			
			//得到用户选择数据
			Object[] selectedObjects = getDataModel().getSelectObjects();

			//根据不同的参数获得所有FileObject对象的OID
			String[] foOids = new String[selectedObjects.length];
			for(int i = 0; i< selectedObjects.length; i++){
				if(selectedObjects[i] instanceof Map){
					foOids[i] = ((Map<String, String>) selectedObjects[i]).get("OID");
				} else if (selectedObjects[i] instanceof IDataNode){
					Object mainObject = ((IDataNode)selectedObjects[i]).getMaterObject();
					if(mainObject instanceof ClientBusinessObject){
						foOids[i] = ((ClientBusinessObject) mainObject).getAttributeValue(oidField);
					} else if(mainObject instanceof ClientLinkObject){
						String oid = "";
						String btmName = "";
						if(isDirection){
							oid = ((ClientLinkObject) mainObject).getLinkObject().toOid;
							btmName = ((ClientLinkObject) mainObject).getLinkObject().toBTName;
						} else {
							oid = ((ClientLinkObject) mainObject).getLinkObject().fromOid;
							btmName = ((ClientLinkObject) mainObject).getLinkObject().fromBTName;
						}
						//加载BO对象
						ClientBusinessObject cbo = operation.reloadClientBusinessObject(
								ClientContextVariable.getFrame(), oid, btmName);
						if(cbo != null){
							foOids[i] = cbo.getAttributeValue(oidField);
						}
					}
				}
			}
			//判断附件是否存在
			if(foOids == null || foOids.length < 1 
					|| (foOids.length == 1 && (foOids[0] == null || foOids[0].equals("")))){
				UIFUtils.showMessage(null, "uifmodel.plm.uif.actions.download.filenotexist", "");
				return false;
			}
			//判断是下载文件还是打开文件
			if(isOpen){
				if(!fopreation.openFile(foOids)){
					UIFUtils.showErrorMessage(ClientContextVariable.getFrame(),
							"uifmodel.plm.uif.actions.downloadfileerror", new Exception("文件不存在！"));
				}
			} else {
				FileObject[] fos = fopreation.downloadFile(ClientContextVariable.getFrame(), foOids, "");
				if(fos == null){
					return false;
				}
				String fileName = "";
				if(fos.length > 0 && fos.length <= 5){
					for(FileObject fo : fos){
						fileName += ";" + fo.getBusinessObject().name;
					}
				}
				if(!fileName.equals("")){
					fileName = fileName.substring(1);
				}
				UIFUtils.showMessage(ClientContextVariable.getFrame(),
						"uifmodel.plm.uif.actions.downloadfilesuccessmsg",fileName);
			}
			return false;
		} catch (Exception e){
			UIFUtils.showErrorMessage(ClientContextVariable.getFrame(),
					"uifmodel.plm.uif.actions.downloadfileerror", e);
			return false;
		}
	}

}