package com.vci.client.workflow.editor;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

import javax.swing.JComponent;

import com.mxgraph.model.mxCell;
import com.mxgraph.view.mxGraph;
import com.vci.client.workflow.editor.ui.DecisionPanel;
import com.vci.client.workflow.editor.ui.FlowInfoPanel;
import com.vci.client.workflow.editor.ui.MailPanel;
import com.vci.client.workflow.editor.ui.StartEndPanel;
import com.vci.client.workflow.editor.ui.SubProcesslPanel;
import com.vci.client.workflow.editor.ui.TaskNewPanel;
import com.vci.client.workflow.editor.ui.TaskPanel;
import com.vci.client.workflow.editor.ui.TransitionPanel;
import com.vci.corba.common.VCIError;

public class ProcessComponentFactory {

	public static JComponent getComponent(mxGraph graph, mxCell cell) throws VCIError {
		Object value = cell.getValue();
		if (value == null) {
			return new FlowInfoPanel(graph);
		} else if (value instanceof JComponent) {
			return (JComponent) value;
		} else if (value instanceof FlowNode) {
			// 克隆一份
			FlowNode node = (FlowNode) ((FlowNode) value).clone();
			if (cell.isEdge()) {
				return new TransitionPanel(graph, node);
			}
			if (node.getType().equals(FlowConstants.XMLTASK)) {
				Properties properties = new Properties();
				try {
					ClassLoader cl = TaskNewPanel.class.getClassLoader();
					InputStream in = cl.getResourceAsStream("flow-custom.properties");
					properties.load(in);
					String flag = (String) properties.get("workflow.template");
					if ("1".equals(flag)) {
						// 任务节点属性面板
						try {
							return new TaskPanel(graph, node);
						} catch (VCIError e) {
							// TODO Auto-generated catch block
							e.printStackTrace();
						}
					} else if ("2".equals(flag)) {
						// 任务节点属性面板
						try {
							return new TaskNewPanel(graph, node);
						} catch (VCIError e) {
							// TODO Auto-generated catch block
							e.printStackTrace();
						}
					}
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				} catch (SecurityException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				} catch (IllegalArgumentException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}

			} else if (node.getType().equals(FlowConstants.XMLSTART) || node.getType().equals(FlowConstants.XMLEND)
			// || node.getType().startsWith(FlowConstants.TRANSITION)
					|| node.getType().startsWith(FlowConstants.XMLFORK)
					|| node.getType().startsWith(FlowConstants.XMLJOIN)) {
				return new StartEndPanel(graph, node);
			} else if (node.getType().equals(FlowConstants.DECISION)) {
				DecisionPanel decisionPanel = new DecisionPanel(graph, node);
				return decisionPanel;
			} else if (node.getType().startsWith(FlowConstants.TRANSITION)) {
				return new TransitionPanel(graph, node);
			} else if (node.getType().startsWith(FlowConstants.MAIL)) {
				return new MailPanel(graph, node);
			} else if (node.getType().startsWith(FlowConstants.SUBPROCESS)) {
				return new SubProcesslPanel(graph, node);
			}
			return (JComponent) value;
		} else if (value instanceof String) {
			FlowNode node = new FlowNode("", "");
//			return new StartEndPanel(graph, node);
			return new TransitionPanel(graph, node);
		}
		return null;
	}

}