package com.vci.client.workflow.task;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Toolkit;
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 javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableColumnModel;

import com.vci.client.LogonApplication;
import com.vci.client.ui.exception.VCIException;
import com.vci.client.ui.image.BundleImage;
import com.vci.client.ui.swing.KJButton;
import com.vci.client.workflow.commom.ClientHelper;
import com.vci.client.workflow.delegate.ProcessCustomClientDelegate;
import com.vci.corba.common.VCIError;
import com.vci.corba.workflow.data.FlowTaskInfo;
import com.vci.corba.workflow.data.ProcessTaskInfo;

public class FlowSearchDialog extends JDialog {
	/**
	 * 
	 */
	private static final long serialVersionUID = -8012025583336084880L;
	private JTable doneTasksTable;
	private SearchTaskTableModel donetasksModel;
	private JPanel doneTasksPanle;
	String finishFlag = "";
	
	//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 KJButton closeBtn = new KJButton("关闭", "cancel.gif");
	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 JLabel laber_pageinfo = new JLabel();//当前页/总页数
	String[] values = new String[5];
	String objectId = "";
	public FlowSearchDialog(String objectId) {
		super(LogonApplication.frame);
		this.objectId = objectId;
		initUI();
		initData();
		this.setVisible(true);
	}
	
	private void initUI() {
		this.setTitle("流程历史查看");
		setSize(820, 500);
		centerToScreen();
		
		pagesize = getPageSize();
		setLayout(new BorderLayout(0, 0));
		donetasksModel = new SearchTaskTableModel();

		doneTasksPanle = new JPanel();
		add(doneTasksPanle, BorderLayout.CENTER);
		doneTasksPanle.setLayout(new BorderLayout(0, 0));
		
		JPanel pane3 = new JPanel();
		doneTasksPanle.add(pane3,BorderLayout.SOUTH);
		initPageerButtons(pane3);

		JPanel panel_1 = new JPanel();
		doneTasksPanle.add(panel_1, BorderLayout.CENTER);
		panel_1.setLayout(new BorderLayout(0, 0));

		JScrollPane scrollPane_1 = new JScrollPane();
		panel_1.add(scrollPane_1, BorderLayout.CENTER);

		doneTasksTable = new JTable();
		doneTasksTable.setAutoResizeMode(JTable.AUTO_RESIZE_NEXT_COLUMN);
		doneTasksTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		doneTasksTable.setModel(donetasksModel);
		doneTasksTable.setRowHeight(25);
		doneTasksTable.addMouseListener(new MouseAdapter(){
			public void mouseClicked(MouseEvent e) {
				if(e.getClickCount()==2){
					viewFlowInfo();
				}
			}
			
		});
		Dimension size = doneTasksTable.getTableHeader().getPreferredSize();
		size.height = 22;
		doneTasksTable.getTableHeader().setPreferredSize(size);

		scrollPane_1.setViewportView(doneTasksTable);

		DefaultTableCellRenderer r = new DefaultTableCellRenderer();
		r.setHorizontalAlignment(JLabel.CENTER);

		TableColumnModel doneModel = doneTasksTable.getColumnModel();
		doneModel.getColumn(0).setPreferredWidth(28);
		doneModel.getColumn(0).setMaxWidth(28);
		doneModel.getColumn(2).setPreferredWidth(150);
		doneModel.getColumn(3).setPreferredWidth(150);

		doneModel.getColumn(0).setCellRenderer(r);
		
	}
	
	private void initData() {
		ProcessCustomClientDelegate del = new ProcessCustomClientDelegate(LogonApplication.getUserEntityObject());
		try {
			for(int i=0;i<values.length;i++) {
				values[i] = "";
			}
			FlowTaskInfo[] dataObjs = del.getTaskByCondition(values, curPage, pagesize,objectId);
			donetasksModel.setData(dataObjs);
			doneTasksTable.removeAll();
			doneTasksTable.setModel(donetasksModel);
		} catch (VCIError e) {
			e.printStackTrace();
		}
		updateBtnStatus();
	}
	
	private void initPageerButtons(JPanel pal){
		
		pal.add(closeBtn);
		closeBtn.addActionListener(new ActionListener() {
			
			public void actionPerformed(ActionEvent arg0) {
				dispose();
			}
		});
		
		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"));
		
		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.setEnabled(false);
		prePageButton.setEnabled(false);
		nextPageButton.setEnabled(false);
		lastPageButton.setEnabled(false);
		
		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();
			}
		});
		
		pal.add(Box.createHorizontalStrut(30));
		pal.add(laber_pageinfo);
	}
	private void viewFlowInfo() {
		int selectedRow = doneTasksTable.getSelectedRow();
		if (selectedRow == -1) {
			JOptionPane.showMessageDialog(doneTasksPanle, "请选择需要查看的已办任务!", "提示信息", JOptionPane.INFORMATION_MESSAGE);
			return;
		}

		FlowTaskInfo flowHistoryTaskInfo = donetasksModel.getValue(selectedRow);
		if (flowHistoryTaskInfo == null) {
			return;
		}
		// 查出阶段名称

		ProcessCustomClientDelegate processCustomClientDelegate = new ProcessCustomClientDelegate(LogonApplication.getUserEntityObject());
		String jbpmDeploymentId;
		try {
			jbpmDeploymentId = processCustomClientDelegate.getDeploymentIdByExecutionId(flowHistoryTaskInfo.executionId);
			if("".equals(jbpmDeploymentId)){
//				JOptionPane.showMessageDialog(doneTaskPanel, "该流程不存在或已经执行完成！","提示信息", JOptionPane.INFORMATION_MESSAGE);
				jbpmDeploymentId = processCustomClientDelegate.getDepolymentID(flowHistoryTaskInfo.executionId);
				ProcessTaskInfo frocessTaskInfo = processCustomClientDelegate.findById(jbpmDeploymentId, flowHistoryTaskInfo.name);
				finishFlag="完成";
				DoneTaskDialog todoTaskDialog = new DoneTaskDialog(flowHistoryTaskInfo, frocessTaskInfo,finishFlag);
				todoTaskDialog.setVisible(true);
//				initData();
//				return;
			}else{
				ProcessTaskInfo frocessTaskInfo = processCustomClientDelegate.findById(jbpmDeploymentId, flowHistoryTaskInfo.name);
				DoneTaskDialog todoTaskDialog = new DoneTaskDialog(flowHistoryTaskInfo, frocessTaskInfo,finishFlag);
				todoTaskDialog.setVisible(true);
			}
		} catch (VCIError e) {
			e.printStackTrace();
		}
	}
	
	private int getPageSize() {
		if(this.pagesize == 0){
			String pageSize = "40";
//			try {
//				pageSize = new SystemCfgClientDelegate().getConfigValue("log.query.pagesize");
//			} catch (VCIException e) {
//				e.printStackTrace();
//			}
			int pageSizeGet = Integer.parseInt(pageSize);
			this.pagesize = pageSizeGet;
		}
		return pagesize;
	}
	
	private int getRowCount(){
		try {
			return new ProcessCustomClientDelegate(LogonApplication.getUserEntityObject()).queryFlowTaskCount(values,objectId,false);
		} 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));
	}
	
	/**
	 * 居中屏幕
	 */
	private void centerToScreen() {
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		Dimension componentSize = getSize();
		if (componentSize.height > screenSize.height) {
			componentSize.height = screenSize.height;
		}

		if (componentSize.width > screenSize.width) {
			componentSize.width = screenSize.width;
		}

		setLocation((screenSize.width - componentSize.width) / 2, (screenSize.height - componentSize.height) / 2);
	}
	
	private String getI18nString(String spCode) {
		return ClientHelper.getI18nStringForWorkflow(this.getClass().getName() + "." + spCode, this.getLocale());
	}
}