package com.vci.client.workflow.task;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.text.MessageFormat;
import java.util.LinkedHashMap;

import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;
import javax.swing.SwingUtilities;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableColumnModel;

import com.vci.client.LogonApplication;
import com.vci.client.framework.rightConfig.object.FunctionObject;
import com.vci.client.logon.client.VciFrameTimerTask;
import com.vci.client.ui.exception.VCIException;
import com.vci.client.ui.image.BundleImage;
import com.vci.client.ui.locale.LocaleDisplay;
import com.vci.client.ui.swing.VCIOptionPane;
import com.vci.client.ui.swing.VCISwingUtil;
import com.vci.client.ui.swing.components.VCIJButton;
import com.vci.client.ui.swing.components.VCIJCalendarPanel;
import com.vci.client.workflow.commom.ClientHelper;
import com.vci.client.workflow.delegate.ProcessCustomClientDelegate;
import com.vci.client.workflow.editor.user.FowardUserDialog;
import com.vci.corba.common.VCIError;
import com.vci.corba.workflow.data.FlowTaskInfo;
import com.vci.corba.workflow.data.ProcessTaskInfo;

public class TodoTaskPanel extends JPanel {

	/**
	 * 待办任务
	 */
	//查询日期：由
	private String DATE_START = LocaleDisplay.getI18nString("rmip.framework.log.startDate", "RMIPFramework", getLocale());
	//到
	private String TO = LocaleDisplay.getI18nString("rmip.framework.log.to", "RMIPFramework", getLocale());
	//查询
	private String QUERY = LocaleDisplay.getI18nString("rmip.framework.log.query", "RMIPFramework", getLocale());
	
	private JLabel dateLabelStart = new JLabel(DATE_START);
	private JLabel dateLabelTo = new JLabel(TO);
	private JComboBox startDateBox = new JComboBox();
	private JComboBox endDateBox = new JComboBox();
	private JButton queryBtn = new JButton("查询");
	private JButton clearBtn = new JButton("清空");
	private JLabel missionJLabel = new JLabel("任务名称：");
	private JTextField missionField = new JTextField();
	private JLabel applicaJLabel = new JLabel("创建人：");
	private JTextField applicaField = new JTextField();
	private JLabel applicaDepartJLabel = new JLabel("创建部门：");
	private JTextField applicaDeparField = new JTextField();
	private static final long serialVersionUID = 1L;
	private VCIJButton btnRefresh = VCISwingUtil.createVCIJButton("", "刷新", "刷新", "arrow_refresh.png");
	private JButton btnNewButton = VCISwingUtil.createVCIJButton("", getI18nString("btnView"), getI18nString("btnView"), "edit.png");
	private JPanel todoTasksPanel;
	private JTable toDoTasksTable;
	private TodoTaskTableModel todoTaskTableModel;
	private VCIJCalendarPanel txtStartTime = new VCIJCalendarPanel();
	private VCIJCalendarPanel txtEndTime = new VCIJCalendarPanel();
	
	//added by ligang 分页功能的实现
	private JButton firstPageButton = null;
	private JButton prePageButton = null;
	private JButton nextPageButton = null;
	private JButton lastPageButton = null;
	private JTextField textField = null;
	private JButton zhidingPageButton = null;
	int pagesize = getPageSize();//每页记录数
	int pageCount = 0;//总页数
	int rowCount = 0;//总记录数
	int curPage = 1;
	int TABLE_PAGE = 1;//当前页数
	private String[] showDataIds = {};//重点显示的数据表示
	private JLabel laber_pageinfo = new JLabel(getI18nString("pageInfo"));//当前页/总页数

	private static TodoTaskPanel todoTaskPanel;
	LinkedHashMap<String, Integer> dataMap = new LinkedHashMap<String, Integer>();//key-value:taskId-rowIndex 
	//转发
	private JButton btnForward;
	
	/**
	 * 任务箱参数
	 */
	private String taskType ="";
	private String querySQL = "";
	FunctionObject funcObject = new FunctionObject();
	public static TodoTaskPanel getInstance(FunctionObject funcObject,String taskType) {
		if (todoTaskPanel == null) {
			todoTaskPanel = new TodoTaskPanel(taskType);
		}
		return todoTaskPanel;
	}

	private TodoTaskPanel(String taskType) {
		this.taskType = taskType;
		initUI();
		initializeData();
		//2012.04.26 ligang 去除任务箱权限校验，所有人都有操作权限
//		checkPermission() ;
	}
	/** 权限检查的模块标识 **/ 
	private String checkPermissionModuleId = "com.vci.rmip.workflow.client.task.TodoTaskPanel";

	@SuppressWarnings("unchecked")
	private void checkPermission() {
	}
	private void initUI() {
		setLayout(new BorderLayout());
		JPanel topPanel = new JPanel(new BorderLayout());
		JPanel palNorthBtn = new JPanel(new FlowLayout(FlowLayout.CENTER, 5, 5));
		btnNewButton = new JButton(getI18nString("btnView"));
		btnNewButton.setIcon(VCISwingUtil.createImageIcon("edit.png"));
		btnForward = new JButton("转发");
		palNorthBtn.add(btnNewButton);
		palNorthBtn.add(btnRefresh);
		btnRefresh.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				SwingUtilities.invokeLater(new Runnable() {
					public void run() {
						initializeData();
					}
				});
			}
		});
		JPanel searchPanel = new JPanel(new FlowLayout(FlowLayout.LEFT,5,5));
		searchPanel.add(missionJLabel);
		missionField.setPreferredSize(new Dimension(100,25));
		searchPanel.add(missionField);
		searchPanel.add(applicaJLabel);
		applicaField.setPreferredSize(new Dimension(100,25));
		searchPanel.add(applicaField);
		searchPanel.add(applicaDepartJLabel);
		applicaDeparField.setPreferredSize(new Dimension(100,25));
		searchPanel.add(applicaDeparField);
		JPanel dataPanel = new JPanel(new FlowLayout(FlowLayout.LEFT,5,5));
		dataPanel.add(dateLabelStart);
		dataPanel.add(txtStartTime);
		dataPanel.add(dateLabelTo);
		dataPanel.add(txtEndTime);
		queryBtn.setIcon(VCISwingUtil.createImageIcon("search.png"));
		clearBtn.setIcon(VCISwingUtil.createImageIcon("clear.gif"));
		dataPanel.add(queryBtn);
		queryBtn.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				SwingUtilities.invokeLater(new Runnable() {
					public void run() {
						queryBtn_ActionPerformed();
					}
				});
			}
		});
		dataPanel.add(clearBtn);
		clearBtn.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				SwingUtilities.invokeLater(new Runnable() {
					public void run() {
						clearBtn_ActionPerformed();
					}
				});
			}
		});
		topPanel.add(searchPanel,BorderLayout.NORTH);
		topPanel.add(dataPanel,BorderLayout.CENTER);
		add(topPanel, BorderLayout.NORTH);
		todoTaskTableModel = new TodoTaskTableModel();
		toDoTasksTable = new JTable();
		toDoTasksTable.setAutoResizeMode(JTable.AUTO_RESIZE_NEXT_COLUMN);
		toDoTasksTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		toDoTasksTable.setModel(todoTaskTableModel);
		toDoTasksTable.setRowHeight(25);
		toDoTasksTable.setShowGrid(true);
		toDoTasksTable.getTableHeader().setFont(VCISwingUtil.FONT_DEFAULT);
		toDoTasksTable.addMouseListener(new MouseAdapter(){
			public void mouseClicked(MouseEvent e) {
				if(e.getClickCount()==2){
					viewFlowInfo();
				}
			}
		});
		TableColumnModel todoModel = toDoTasksTable.getColumnModel();
		DefaultTableCellRenderer firstColumnRender = new DefaultTableCellRenderer();
		firstColumnRender.setHorizontalAlignment(JLabel.CENTER);
		todoModel.getColumn(0).setCellRenderer(firstColumnRender);
		todoModel.getColumn(0).setPreferredWidth(48);
		todoModel.getColumn(0).setMaxWidth(48);
		todoModel.getColumn(2).setPreferredWidth(150);
		todoModel.getColumn(4).setWidth(150);
		JScrollPane jspTable = new JScrollPane();
		jspTable.getViewport().add(toDoTasksTable);
		add(jspTable, BorderLayout.CENTER);
		
		JPanel palPageBtns = new JPanel();
		JPanel southPanel = new JPanel(new BorderLayout());
		southPanel.add(palNorthBtn,BorderLayout.NORTH);
		southPanel.add(palPageBtns,BorderLayout.CENTER);
		add(southPanel, BorderLayout.SOUTH);
		initPageerButtons(palPageBtns);

		addListener();
	}

	private void addListener() {
		btnNewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent event) {
				viewFlowInfo();

			}
		});
		btnForward.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent event) {
				foward();
				
			}
		});
	}

	public void initData() {

		FlowTaskInfo[] dataObjs;
		try {
			dataObjs = new ProcessCustomClientDelegate(LogonApplication.getUserEntityObject()).getTodoTaskByUserId(LogonApplication.getUserObject().getUserName(),curPage,pagesize,taskType,querySQL);
			todoTaskTableModel.setData(dataObjs);
			int index = 0;
			for(FlowTaskInfo info : dataObjs){
				String id = info.executionId;
				if(info.executionId.lastIndexOf(".") > 0){
					id = info.executionId.substring(info.executionId.lastIndexOf(".") + 1);
				}
				dataMap.put(id,index++);
			}
			setDataMap(dataMap);
		} catch (VCIError e) {
			e.printStackTrace();
		}
		updateUI();
	}

	/**
	 * 
	 * <p>设置table特殊数据行的显示样式: </p>
	 * 
	 * @time 2013-4-10
	 */
	public void setTableToSelect(){
			if(dataMap.size()>0){
				final Integer[] rowIndexArray = getAllRow(dataMap);
				int cols = toDoTasksTable.getColumnModel().getColumnCount();
				for(int i = 0; i < cols; i++){
					toDoTasksTable.getColumnModel().getColumn(i).setCellRenderer(new DefaultTableCellRenderer(){
						public Component getTableCellRendererComponent(JTable table, Object value,
								    boolean isSelected, boolean hasFocus, 
								    int row, int column){
							 Component compt = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
							 for(Integer i : rowIndexArray){
								 if(i == row){
									 if(!isSelected){
										 compt.setForeground(Color.RED);
									 } else{
										 compt.setForeground(Color.WHITE);
									 }
									 compt.setFont(new Font("宋体", Font.BOLD, 12));
								 } else {
									 if(!isSelected){
										 compt.setForeground(Color.BLACK);
									 } else{
										 compt.setForeground(Color.WHITE);
									 }
								 }
							 }
							 return compt;
						 }
					});
				}
				updateUI();
			}
	}
	
	/**
	 * 
	 * <p>得到需要被特殊显示的数据行rowIndex， 并把这些rowIndex按照从小到大的顺序存放在数组中返回: </p>
	 * 
	 * @time 2013-4-10
	 * @param map
	 * @return
	 */
	private Integer[]  getAllRow(LinkedHashMap<String, Integer>  map){
		String[] dataId = getShowDataIds();
		Integer[] rowIndex = new Integer[dataId.length];
		int index = 0;
		for(String id: dataId){
			rowIndex[index++] = map.get(id);
		}
		int temp,j,flag=1;
		for(int i = 0 ;i<rowIndex.length-1&&flag==1;i++){
			flag = 0;
			for(j=0;j<rowIndex.length-i-1;j++){
				temp = rowIndex[j];
				if(rowIndex[j+1]<rowIndex[j]){
					rowIndex[j] = rowIndex[j+1];
					rowIndex[j+1] = temp;
					flag = 1;
				}
			}
		}
		return rowIndex;
	} 
	private void viewFlowInfo() {
		int selectedRow = toDoTasksTable.getSelectedRow();
		if (selectedRow == -1) {
			JOptionPane.showMessageDialog(todoTasksPanel, getI18nString("message"), getI18nString("title"), JOptionPane.INFORMATION_MESSAGE);
			return;
		}

		FlowTaskInfo flowTask = todoTaskTableModel.getValue(selectedRow);
		if (flowTask == null) {
			return;
		}
		// 查出阶段名称
		ProcessCustomClientDelegate processCustomClientDelegate = new ProcessCustomClientDelegate();

		String jbpmDeploymentId;
		try {
			jbpmDeploymentId = processCustomClientDelegate.getDeploymentIdByExecutionId(flowTask.executionId);
			if ("".equals(jbpmDeploymentId)) {
				JOptionPane.showMessageDialog(todoTasksPanel, "该流程不存在或已经执行完成！", getI18nString("title"), JOptionPane.INFORMATION_MESSAGE);
				initData();
				return;
			}
			ProcessTaskInfo frocessTaskInfo = processCustomClientDelegate.findById(jbpmDeploymentId, flowTask.name);
			TodoTaskDialog todoTaskDialog = new TodoTaskDialog(flowTask, frocessTaskInfo, this);
			todoTaskDialog.setVisible(true);
			//处理代办任务之后，显示剩余任务数量。
			String currentUser = LocaleDisplay.getI18nString("rmip.framework.current.user", "RMIPFramework",this.getLocale());
			new VciFrameTimerTask(currentUser).displayTaskCount();
			initializeData();
		} catch (VCIError e) {
			e.printStackTrace();
		}
	}
	
	/**
	 * 任务转发 
	 */
	private void foward(){
		int selectedRow = toDoTasksTable.getSelectedRow();
		if (selectedRow == -1) {
			JOptionPane.showMessageDialog(todoTasksPanel, "请选择要转发的任务！", getI18nString("title"), JOptionPane.INFORMATION_MESSAGE);
			return;
		}

		FlowTaskInfo flowTask = todoTaskTableModel.getValue(selectedRow);
		if (flowTask == null) {
			return;
		}
		
		ProcessCustomClientDelegate processCustomClientDelegate = new ProcessCustomClientDelegate();
		String jbpmDeploymentId;
		try {
			jbpmDeploymentId = processCustomClientDelegate.getDeploymentIdByExecutionId(flowTask.executionId);
			if ("".equals(jbpmDeploymentId)) {
				JOptionPane.showMessageDialog(todoTasksPanel, "该流程不存在或已经执行完成！", getI18nString("title"), JOptionPane.INFORMATION_MESSAGE);
				initData();
				return;
			}
//			ProcessTaskInfo frocessTaskInfo = processCustomClientDelegate.findById(jbpmDeploymentId, flowTask.name);
			FowardUserDialog dialog = new FowardUserDialog(flowTask.executionId);
//			TodoTaskDialog todoTaskDialog = new TodoTaskDialog(flowTask, frocessTaskInfo);
//			todoTaskDialog.setVisible(true);
//			//处理代办任务之后，显示剩余任务数量。
//			String currentUser = LocaleDisplay.getI18nString("rmip.framework.current.user", "RMIPFramework",this.getLocale());
//			new VciFrameTimerTask(currentUser).displayTaskCount();
			initializeData();
		} catch (VCIError e) {
			e.printStackTrace();
		}
		
	}
	public void initializeData() {
		curPage = 1;
		rowCount = getRowCount();
		pageCount = getPageCount();
		initData();
		updateBtnStatus();
		laber_pageinfo.setText(MessageFormat.format(getI18nString("pageInfo"), rowCount, pageCount, curPage));
	}
	
	
	private void initPageerButtons(JPanel pal){
		
		firstPageButton = new JButton(""); 
		pal.add(firstPageButton);
		firstPageButton.setIcon(new BundleImage().createImageIcon("resultset_first.png"));
		
		prePageButton = new JButton(""); 
		pal.add(prePageButton);
		prePageButton.setIcon(new BundleImage().createImageIcon("resultset_previous.png"));
		
		textField = new JTextField(3);
		pal.add(textField);
		zhidingPageButton = new JButton();
		pal.add(zhidingPageButton);
		zhidingPageButton.setIcon(new BundleImage().createImageIcon("arrow_rotate_clockwise.png"));
		
		nextPageButton = new JButton("");
		pal.add(nextPageButton);  
		nextPageButton.setIcon(new BundleImage().createImageIcon("resultset_next.png"));
		
		lastPageButton = new JButton("");
		pal.add(lastPageButton);
		lastPageButton.setIcon(new BundleImage().createImageIcon("resultset_last.png"));
		
		firstPageButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				curPage = 1;
				initData();
				updateBtnStatus();
			}
		});
		prePageButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if(curPage > 1){
					curPage--;
				}
				initData();
				updateBtnStatus();
			}
		});
		nextPageButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if(curPage < getPageCount()){
					curPage++;
				}
				initData();
				updateBtnStatus();
			}
		});
		lastPageButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				curPage = getPageCount();
				initData();
				updateBtnStatus();
			}
		});
		zhidingPageButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				int i = getTextField();
				if(i != 0 ){
					curPage = i;
					initData();
					updateBtnStatus();
				}
			}
		});
		pal.add(Box.createHorizontalStrut(30));
		pal.add(laber_pageinfo);
	}
	
	private int getPageSize() {
		if(this.pagesize == 0){
			String pageSize = "150";
//			try {
//				pageSize = new UserRightClientDelegate().getConfigValue("log.query.pagesize");
//			} catch (VCIError e) {
//				e.printStackTrace();
//			}
			int pageSizeGet = Integer.parseInt(pageSize);
			this.pagesize = pageSizeGet;
		}
		return pagesize;
	}
	
	private int getRowCount(){
		try {
			return new ProcessCustomClientDelegate(LogonApplication.getUserEntityObject()).queryTodoTaskCount(LogonApplication.getUserObject().getUserName(),taskType);
		} catch (VCIException e) {
			e.printStackTrace();
			return 1;
		}
	}
	private int getPageCount(){
		int dataRowCount = getRowCount();
		int pageSize = getPageSize();
		int pageCount = dataRowCount / pageSize;
		if (dataRowCount % pageSize > 0) {
			pageCount++;
		}
		return pageCount;
	}
	private void updateBtnStatus() {
		int rowCount = this.getRowCount();
		int pageSize = getPageSize();
		int pageCount = rowCount / pageSize;
		if (rowCount % pageSize > 0) {
			pageCount++;
		}
		if (pageCount <= 1) {
			firstPageButton.setEnabled(false);
			prePageButton.setEnabled(false);
			lastPageButton.setEnabled(false);
			nextPageButton.setEnabled(false);
		} else {
			if (curPage == 1) {
				firstPageButton.setEnabled(false);
				prePageButton.setEnabled(false);
				lastPageButton.setEnabled(true);
				nextPageButton.setEnabled(true);
			} else if (curPage >= pageCount) {
				firstPageButton.setEnabled(true);
				prePageButton.setEnabled(true);
				lastPageButton.setEnabled(false);
				nextPageButton.setEnabled(false);
			} else {
				firstPageButton.setEnabled(true);
				prePageButton.setEnabled(true);
				lastPageButton.setEnabled(true);
				nextPageButton.setEnabled(true);
			}
		}
		laber_pageinfo.setText(MessageFormat.format(getI18nString("pageInfo"), rowCount, pageCount, curPage));
	}

	private void queryBtn_ActionPerformed(){
		getDateTimeFilterString();
		initData();
		updateBtnStatus();
	}
	private void clearBtn_ActionPerformed(){
		txtStartTime.setDateString();
		txtEndTime.setDateString();
		missionField.setText("");
		applicaField.setText("");
		applicaDeparField.setText("");
		querySQL = "";
	}
	/**
	 * 返回日期范围的过滤条件字符串
	 * <p>Description: </p>
	 * 
	 * @author xchao
	 * @time 2012-11-9
	 * @return
	 */
	public String getDateTimeFilterString(){
		String filterString = "";
		String startTime = txtStartTime.getDateString();//开始时间
		String endTime = txtEndTime.getDateString();//结束时间
		String mission = missionField.getText();//任务名称
		String application = applicaField.getText();//创建人
		String applicaDepar = applicaDeparField.getText();//创建人部门
		if(startTime == null || "".equals(startTime.trim())){
			startTime = "1900-01-01 00:00:00";
		} else {
			startTime = startTime.substring(0, 10) + " 00:00:00";
		}
		if(endTime == null || "".equals(endTime.trim())){
			endTime = "9900-12-30 23:59:59";
		} else {
			endTime = endTime.substring(0, 10) + " 23:59:59";
		}
		filterString = " AND " +
				"(" +
				"createTime >= TO_DATE('" + startTime + "','yyyy-MM-dd HH24:mi:ss')" + 
				" AND " +
				"createTime <= TO_DATE('" + endTime + "','yyyy-MM-dd HH24:mi:ss')";
		filterString +=	")" +
		"";
		if(!"".equals(mission)){
			filterString += " AND PLDESC = '" + mission +"'";
		}
		if (!"".equals(application)){
			filterString += " AND plcreator like '%" + application +"%'";
		}
		if (!"".equals(applicaDepar)){
			filterString += "#"+applicaDepar;
		}
		
		querySQL = filterString;
		return querySQL;
	}
	
	public String[] getShowDataIds() {
		return showDataIds;
	}
	public void setShowDataIds(String[] showDataIds) {
		this.showDataIds = showDataIds;
	}
	public LinkedHashMap<String, Integer> getDataMap() {
		return dataMap;
	}
	public void setDataMap(LinkedHashMap<String, Integer> dataMap) {
		this.dataMap = dataMap;
	}
	private String getI18nString(String spCode) {
		return ClientHelper.getI18nStringForWorkflow(this.getClass().getName() + "." + spCode, this.getLocale());
	}
	private int getTextField(){
		int i = 0;//输入的页数
		int count = getPageCount();//总页数
		if(textField.getText() == ""){
			VCIOptionPane.showMessage(this, "请输入要跳转的页数");
			return i;
		}else {
			String field = textField.getText();
			if(!field.matches("^[0-9_]+$")) {
				VCIOptionPane.showMessage(this, "请输入数字");
				return i;		
			}else if(Integer.parseInt(field)>count){
				VCIOptionPane.showMessage(this, "输入的页数大于总页数");
				return i;	
			}else {
				i = Integer.parseInt(field);
				return i;
			}
		}
	}
	public String getTaskType() {
		return taskType;
	}
	public void setTaskType(String taskType) {
		this.taskType = taskType;
	}
	public String getQuerySQL() {
		return querySQL;
	}
	public void setQuerySQL(String querySQL) {
		this.querySQL = querySQL;
	}
}