/*******************************************************************************
 * @project: platform
 * @package: com.vci.platform.cs.workflow.editor.ui
 * @file: DecisionPanel.java
 * @author: yinww
 * @created: 2012-2-16
 * @purpose:
 * 
 * @version: 1.0
 * 
 * Revision History at the end of file.
 * 
 * Copyright 2012 vci-tech All rights reserved.
 ******************************************************************************/

package com.vci.client.workflow.editor.ui;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;

import org.dom4j.Attribute;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

import com.mxgraph.util.mxResources;
import com.mxgraph.view.mxGraph;
import com.vci.client.ui.locale.LocaleDisplay;
import com.vci.client.workflow.delegate.EventConfClientDelegate;
import com.vci.client.workflow.editor.FlowConstants;
import com.vci.client.workflow.editor.FlowNode;
import com.vci.corba.common.VCIError;

public class DecisionPanel extends JPanel implements IProcessProperty {
	
	private static final long serialVersionUID = 3501576995209608346L;
	
	private JTextField nameField;
	private JTextField expressionField;
	private JComboBox decisionComboBox;
	private mxGraph graph;
	private FlowNode node;

	public DecisionPanel(mxGraph graph, FlowNode node) {
		this.graph = graph;
		this.node = node;
		
		GridBagLayout gridBagLayout = new GridBagLayout();
		gridBagLayout.columnWidths = new int[]{0, 0, 0};
		gridBagLayout.rowHeights = new int[]{0, 0, 0, 0};
		gridBagLayout.columnWeights = new double[]{0.0, 1.0, Double.MIN_VALUE};
		gridBagLayout.rowWeights = new double[]{0.0, 0.0, 0.0, Double.MIN_VALUE};
		setLayout(gridBagLayout);
		
		JLabel lblNewLabel = new JLabel("名称：");
		GridBagConstraints g = new GridBagConstraints();
		g.insets = new Insets(5, 0, 0, 5);
		g.anchor = GridBagConstraints.EAST;
		g.gridx = 0;
		g.gridy = 0;
		add(lblNewLabel, g);
		JLabel exprLabel = new JLabel("条件表达式：");
		g.gridy = 1;
		add(exprLabel, g);
		g.gridy = 2;
		JLabel dealClass = new JLabel("处理类：");
		add(dealClass, g);
		
		nameField = new JTextField();
		nameField.setText(node.getName());
		nameField.setEditable(false);
		expressionField = new JTextField();
		expressionField.setEditable(false);
		expressionField.setText("#{content}");
		g.fill = GridBagConstraints.HORIZONTAL;
		g.gridx = 1;
		g.gridy = 0;
		add(nameField, g);
		g.gridy = 1;
		add(expressionField, g);
		g.gridy = 2;
		decisionComboBox = new JComboBox(getEventTypes());
		add(decisionComboBox, g);

		DocumentListener documentListener = new DocumentListener() {
			public void removeUpdate(DocumentEvent e) {
				updateFlow();
			}
			public void insertUpdate(DocumentEvent e) {
				updateFlow();
			}
			public void changedUpdate(DocumentEvent e) {
				updateFlow();
			}
		};
		nameField.getDocument().addDocumentListener(documentListener);
//		decisionComboBox.addItemListener(new ItemListener() {
//			public void itemStateChanged(ItemEvent e) {
//				if(e.getStateChange() == ItemEvent.SELECTED && decisionComboBox.getSelectedIndex() > 0) {
//					expressionField.setText("");
//				}else{
//					expressionField.setText("#{content}");
//				}
//			}
//		});
		decisionComboBox.addActionListener(new ActionListener() {
			
			public void actionPerformed(ActionEvent arg0) {
				KeyValueInfoWrapper keyValueInfoWrapper = (KeyValueInfoWrapper)decisionComboBox.getSelectedItem();
				KeyValueInfo keyValue = keyValueInfoWrapper.getKeyValue();
				if(keyValue.getValue()!=null&&!"".equals(keyValue.getValue())) {
					expressionField.setText("");
				}else{
					expressionField.setText("#{content}");
				}
			}
		});
		expressionField.getDocument().addDocumentListener(new DocumentListener() {
			public void removeUpdate(DocumentEvent e) {
				updateDecision();
			}
			
			public void insertUpdate(DocumentEvent e) {
				updateDecision();
			}
			
			public void changedUpdate(DocumentEvent e) {
				updateDecision();
			}
		});
	}

	private void updateDecision() {
		if(expressionField.getText().trim().length() > 0 && decisionComboBox.getSelectedIndex() > 0) {
			decisionComboBox.setSelectedIndex(0);
		}
	}
	
	private KeyValueInfoWrapper[] getEventTypes() {
//		String decisionFlag = "workflow.decision.type";
//		String eventTypes = mxResources.get(decisionFlag);
		/*String[] types = EventProperties.getStringProperty("workflow.decision.type").split(",");*/
		//add by caill start 2016.4.8 通过corba连接服务端
		String[] types = null;
		try {
			types = new EventConfClientDelegate().getStringProperty("workflow.decision.type").split(",");
		} catch (VCIError e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		//add by caill end
//		if(types != null) {
//			String[] types = eventTypes.split(",");
			List<KeyValueInfoWrapper> taskTypes = new ArrayList<KeyValueInfoWrapper>();
			taskTypes.add(new KeyValueInfoWrapper("", ""));
			for (int i = 0; i < types.length; i++) {
//				taskTypes.add(new KeyValueInfoWrapper(types[i], mxResources.get(decisionFlag + "." + types[i])));
				/*taskTypes.add(new KeyValueInfoWrapper(types[i],
						EventProperties.getStringProperty("workflow.decision.type" + "." + types[i])));*/
				//add by caill start 2016.4.8 通过corba连接服务端
				try {
					taskTypes.add(new KeyValueInfoWrapper(types[i],
							new EventConfClientDelegate().getStringProperty("workflow.decision.type" + "." + types[i])));
				} catch (VCIError e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				//add by caill end
				
			}
			return taskTypes.toArray(new KeyValueInfoWrapper[0]);
//		}
		
//		return new KeyValueInfoWrapper[0]; 
	}

	protected void updateFlow() {
		String name = this.toString();
		node.setName(name);
		graph.refresh();
	}
	
	@Override
	public String toString() {
		return nameField.getText().trim();
	}

	public String getNodeType() {
		return node.getType();
	}

	public void createAttribute(Element owner) {
		String name = toString();
		if(name.length() > 0) {
			Attribute nameAttribute = DocumentHelper.createAttribute(owner, FlowConstants.XMLNAME, nameField.getText());
			owner.add(nameAttribute);
		}
		
		String expr = expressionField.getText().trim();
		if(expr.length() > 0) {
			Attribute exprAttribute = DocumentHelper.createAttribute(owner, FlowConstants.EXPRESSION, expr);
			owner.add(exprAttribute);
		} else {
			KeyValueInfoWrapper selectedDecision = (KeyValueInfoWrapper) decisionComboBox.getSelectedItem();
			if(selectedDecision.toString().length() > 0) {
				Element handlerElement = owner.addElement(FlowConstants.HANDLER);
				/*String handlerClass = EventProperties.getStringProperty("workflow.decision.type" + "." + selectedDecision.getKey()+".class");*/
//				//add by caill start 2016.4.8 通过corba连接服务端
				String handlerClass = null;
				try {
					 handlerClass = new EventConfClientDelegate().getStringProperty("workflow.decision.type" + "." + selectedDecision.getKey()+".class");
				} catch (VCIError e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				//add by caill end
				mxResources.get("workflow.decision.type." + selectedDecision.getKey() + ".class");
				Attribute classAttribute = DocumentHelper.createAttribute(handlerElement, FlowConstants.EVENT_CLASS, handlerClass);
				handlerElement.add(classAttribute);
			}
		}
		
	}

	public void setValue(String text) {
		expressionField.setText(text);
	}

	public void setHandlerClass(String handlerClass) {
		if(handlerClass != null && handlerClass.trim().length() > 0) {
			int itemCount = decisionComboBox.getItemCount();
			for (int i = 0; i < itemCount; i++) {
				KeyValueInfoWrapper obj = (KeyValueInfoWrapper)decisionComboBox.getItemAt(i);
//				String property = mxResources.get("workflow.decision.type." + obj.getKey() + ".class");
				/*String property = EventProperties.getStringProperty("workflow.decision.type" + "." + obj.getKey()+".class");*/
				//add by caill start 2016.4.8 通过corba连接服务端
				String property = null;
				try {
					 property = new EventConfClientDelegate().getStringProperty("workflow.decision.type" + "." + obj.getKey()+".class");
				} catch (VCIError e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				//add by caill end
				if(property != null && property.equals(handlerClass)) {
					decisionComboBox.setSelectedIndex(i);
					break;
				}
			}
			
		}
	}
	
	private String getI18nForEvent(String key) {
		return LocaleDisplay.getI18nString(key, "RMIPWorkflow", getLocale());
	}
}

/*******************************************************************************
 * <B>Revision History</B><BR>
 * [type 'revision' and press Alt + / to insert revision block]<BR>
 * 
 * 
 * 
 * Copyright 2012 vci-tech All rights reserved.
 ******************************************************************************/