package com.exedosoft.plat.ui.jquery.tree;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.exedosoft.plat.DAOUtil;
import com.exedosoft.plat.DOServletContext;
import com.exedosoft.plat.bo.BOInstance;
import com.exedosoft.plat.bo.DOParameter;
import com.exedosoft.plat.bo.DOParameterService;
import com.exedosoft.plat.bo.DOService;
import com.exedosoft.plat.ui.DOPaneModel;
import com.exedosoft.plat.ui.DOTreeModel;
import com.exedosoft.plat.util.DOGlobals;
/**
* Servlet implementation class for Servlet: LoadTreeSvl
*
*/
public class LoadTreeSvl extends javax.servlet.http.HttpServlet implements
javax.servlet.Servlet {
/**
*
*/
private static final long serialVersionUID = -5836729213406076319L;
private static final String CONTENT_TYPE = "text/xml; charset=utf-8";
private static Log log = LogFactory.getLog(LoadTreeSvl.class);
/*
* (non-Java-doc)
*
* @see javax.servlet.http.HttpServlet#HttpServlet()
*/
public LoadTreeSvl() {
super();
}
/*
* (non-Java-doc)
*
* @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request,
* HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
response.setHeader("Pragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
response.setContentType(CONTENT_TYPE);
// this.getServletConfig(), this
// .getServletContext(),
// //////////////////////////初始化全局上下文
DOGlobals.getInstance().refreshContext(
new DOServletContext(request, response));
DOGlobals.getInstance().getSessoinContext().getThreadContext()
.initDataBus();
String instanceUid = request.getParameter("contextInstanceUid");
// System.out.println("instanceUid" + instn)
String treeModelUid = request.getParameter("treeModelUid");
String containerPaneUid = request.getParameter("containerPaneUid");
// System.out.println("Content Pane==========" + containerPaneUid);
String initOnly = request.getParameter("initOnly");
String dropDownID = request.getParameter("dropDownID");
String result = null;
// HbmDAO dao = new HbmDAO();
// dao.setAutoClose(false);
try {
DOTreeModel treeModel = DAOUtil.INSTANCE().getByObjUid(
DOTreeModel.class, treeModelUid);
if (dropDownID != null) {
treeModel.setDropDownID(dropDownID);
}
// //////////////初始化当前上下文环境1
if (instanceUid != null) {
if (treeModel.getParent() != null) {
DOService parentService = null;
if (treeModel.getParent().getService() != null) {
parentService = treeModel.getParent().getService();
} else {
parentService = this.getIfParentService(treeModel
.getParent());
}
if (parentService != null) {
parentService.getBo().refreshContext(instanceUid);
}
}
}
if (initOnly != null) {
log.info("instanceUid::" + instanceUid);
log.info("treeModelUid::" + treeModelUid);
/**
* 如果是初始化上下文环境，执行到这儿就返回。
*/
return;
}
DOPaneModel containerPaneModel = null;
if (containerPaneUid != null) {
containerPaneModel = DOPaneModel
.getPaneModelByID(containerPaneUid);
treeModel.setContainerPane(containerPaneModel);
}
log.info("treeModel.getStatus()::::" + treeModel.getStatus());
switch (treeModel.getStatus()) {
case DOTreeModel.STATUS_SELFLINK_ONLY:
result = dealSelfLinkOnly(treeModel, instanceUid);
break;
case DOTreeModel.STATUS_SELFLINK_CHILD:
result = this.dealSelfLinkChild(treeModel, instanceUid);
break;
case DOTreeModel.STATUS_CHILD_NULL:
result = this.dealChildNull(treeModel, instanceUid);
break;
case DOTreeModel.STATUS_CHILD_ONE:
result = this.dealChildOne(treeModel, instanceUid);
break;
case DOTreeModel.STATUS_CHILD_MULT:
result = this.dealChildMult(treeModel, instanceUid);
break;
}
} catch (Exception e) {
e.printStackTrace();
}
// finally {
// dao.closeSession();
// }
PrintWriter out = response.getWriter();
System.out.println(result);
out.println(result);
}
/**
* @param treeModel
*/
private String dealSelfLinkOnly(DOTreeModel treeModel, String instanceUid) {
List list = treeModel.getService().invokeSelect(instanceUid);
addListforNew(list, treeModel);
StringBuffer buffer = new StringBuffer();
buffer.append("\n<tree>\n");
dealSelfLinkOnlyHelper(treeModel, list, buffer, instanceUid);
buffer.append("</tree>\n");
return buffer.toString();
}
/**
* @param treeModel
* @param instanceUid
* @param list
* @param buffer
*/
private void dealSelfLinkOnlyHelper(DOTreeModel treeModel, List list,
StringBuffer buffer, String instanceUid) {
for (Iterator it = list.iterator(); it.hasNext();) {
BOInstance instance = (BOInstance) it.next();
buffer.append("\n<tree text=\"");
buffer.append(instance.getName());
this.appendIconXML(treeModel, buffer);
List listChilds = treeModel.getService().invokeSelect(
instance.getUid());
// ////////执行下面的代码可以有两个条件
if ((listChilds != null && listChilds.size() > 0) || // //////如果有数据
(treeModel.getChildren() != null && treeModel.getChildren()
.size() > 0) // ///下面还有层次
) {
appendSrc(treeModel.getObjUid(), treeModel, instance.getUid(),
buffer);
}
appendAction(treeModel, buffer, instance, instanceUid);
buffer.append("\"/>\n"); // / xml 关闭符号
}
}
/**
* @param treeModel
*/
private String dealSelfLinkChild(DOTreeModel treeModel, String instanceUid) {
List list = treeModel.getService().invokeSelect(instanceUid);
addListforNew(list, treeModel);
StringBuffer buffer = new StringBuffer();
buffer.append("\n<tree>\n");
dealSelfLinkOnlyHelper(treeModel, list, buffer, instanceUid);
dealMultChildHelper(treeModel, buffer, instanceUid);
buffer.append("</tree>\n");
return buffer.toString();
}
/**
* 处理一个节点拥有多个子节点的情况
*
* @param treeModel
* @return
*/
private String dealChildMult(DOTreeModel treeModel, String instanceUid) {
// ////如果没有配置Service,展开时没有相关数据库数据
// ////////仅仅作为分类使用
if (treeModel.getService() == null) {
StringBuffer buffer = new StringBuffer();
buffer.append("\n<tree>\n");
dealMultChildHelper(treeModel, buffer, instanceUid);
buffer.append("</tree>\n");
return buffer.toString();
}
// ///////////当前的查询
List list = treeModel.getService().invokeSelect(instanceUid);
// ///////////判断如果有两个child,并且有一个child是子连接，并且这个child对应的查询没有值，
// 那么可以作为STATUS_CHILD_ONE处理
List children = treeModel.getChildren();
if (children.size() == 2) {
DOTreeModel commModel = null;
DOTreeModel selfModel = null;
DOTreeModel childModel0 = (DOTreeModel) children.toArray()[0];
DOTreeModel childModel1 = (DOTreeModel) children.toArray()[1];
if (childModel0.isSelf()) {
selfModel = childModel0;
commModel = childModel1;
}
if (childModel1.isSelf()) {
selfModel = childModel1;
commModel = childModel0;
}
if (commModel != null && selfModel != null) {
List listChilds = selfModel.getService().invokeSelect(
instanceUid);
if (listChilds.size() == 0) {
StringBuffer buffer = new StringBuffer();
buffer.append("<tree>\n");
dealChildOneHelper(treeModel, instanceUid, list, buffer,
commModel);
buffer.append("</tree>\n");
return buffer.toString();
}
}
}
// ///////////////////end 判断
int i = 0;
if (list != null) {
i = list.size();
}
addListforNew(list, treeModel);
StringBuffer buffer = new StringBuffer();
buffer.append("<tree>\n");
for (Iterator it = list.iterator(); it.hasNext();) {
// //其中一个子节点
BOInstance instance = (BOInstance) it.next();
buffer.append("\n<tree text=\"");
buffer.append(instance.getName());
this.appendIconXML(treeModel, buffer);
appendAction(treeModel, buffer, instance, instanceUid);
buffer.append("\">\n");
if (i != 0) {
dealMultChildHelper(treeModel, buffer, instance.getUid());
}
buffer.append("</tree>");
}
buffer.append("</tree>\n");
return buffer.toString();
}
/**
* @param treeModel
* @param instanceUid
* @param buffer
*/
private void dealMultChildHelper(DOTreeModel treeModel,
StringBuffer buffer, String instanceUid) {
for (Iterator itChild = treeModel.getChildren().iterator(); itChild
.hasNext();) {
DOTreeModel childModel = (DOTreeModel) itChild.next();
childModel.setDropDownID(treeModel.getDropDownID());
if (childModel.isSelf()) {
log.info("Enter is Self::::" + childModel.getL10n());
setTempPara(instanceUid, treeModel, childModel);
List list = childModel.getService().invokeSelect();
childModel.setContainerPane(treeModel.getContainerPane());
dealSelfLinkOnlyHelper(childModel, list, buffer, instanceUid);
} else {
if (childModel.getService() == null) {
buffer.append("\n<tree text=\"").append(
childModel.getL10n());
this.appendIconXML(treeModel, buffer);
appendSrc(childModel.getObjUid(), treeModel, instanceUid,
buffer);
buffer.append("\"/>\n"); // / xml 关闭符号
} else {
List listChilds = childModel.getService().invokeSelect(
instanceUid);
if (listChilds != null && listChilds.size() > 0) {
buffer.append("\n<tree text=\"").append(
childModel.getL10n());
this.appendIconXML(treeModel, buffer);
appendSrc(childModel.getObjUid(), treeModel,
instanceUid, buffer);
buffer.append("\"/>\n"); // / xml 关闭符号
}
}
}
}
}
private void setTempPara(String instanceUid, DOTreeModel treeModel,
DOTreeModel selfLinkModel) {
for (Iterator it = selfLinkModel.getService()
.retrieveParaServiceLinks().iterator(); it.hasNext();) {
DOParameterService dops = (DOParameterService) it.next();
DOParameter dop = dops.getDop();
if (dop.getParaBO().getObjUid()
.equals(treeModel.getService().getBo().getObjUid())) {
selfLinkModel.getService().addTempParaValue(dops, instanceUid);
return;
}
}
}
/**
* @param list
* @param buffer
*/
private String dealChildNull(DOTreeModel treeModel, String instanceUid) {
List list = treeModel.getService().invokeSelect(instanceUid);
addListforNew(list, treeModel);
StringBuffer buffer = new StringBuffer();
buffer.append("<tree>\n");
for (Iterator it = list.iterator(); it.hasNext();) {
BOInstance instance = (BOInstance) it.next();
buffer.append("\n<tree text=\"");
buffer.append(instance.getName());
this.appendIconXML(treeModel, buffer);
appendAction(treeModel, buffer, instance, instanceUid);
buffer.append("\"/>\n"); // / xml 关闭符号
}
buffer.append("</tree>\n");
return buffer.toString();
}
/**
* @param list
* @param buffer
*/
private String dealChildOne(DOTreeModel treeModel, String instanceUid) {
List list = treeModel.getService().invokeSelect(instanceUid);
addListforNew(list, treeModel);
StringBuffer buffer = new StringBuffer();
buffer.append("<tree>\n");
DOTreeModel childModel = (DOTreeModel) treeModel.getChildren()
.toArray()[0];
dealChildOneHelper(treeModel, instanceUid, list, buffer, childModel);
buffer.append("</tree>\n");
return buffer.toString();
}
private void dealChildOneHelper(DOTreeModel treeModel, String instanceUid,
List list, StringBuffer buffer, DOTreeModel childModel) {
childModel.setDropDownID(treeModel.getDropDownID());
for (Iterator it = list.iterator(); it.hasNext();) {
BOInstance instance = (BOInstance) it.next();
buffer.append("\n<tree text=\"");
buffer.append(instance.getName());
this.appendIconXML(treeModel, buffer);
// /这个地方可以放开，但是放开后，如果数据量大了，效率会急剧降低
// List listChilds = childModel.getService().invokeSelect(
// instance.getUid());
// if (listChilds != null && listChilds.size() > 0) {
List listChilds = childModel.getService().invokeSelect(
instance.getUid());
if (listChilds != null && listChilds.size() > 0) {
appendSrc(childModel.getObjUid(), treeModel, instance.getUid(),
buffer);
}
// }
appendAction(treeModel, buffer, instance, instanceUid);
buffer.append("\"/>\n"); // / xml 关闭符号
}
}
/**
* @param treeModel
* @param instanceUid
* @param buffer
* @param childModel
*/
private void appendSrc(String linkTreeModelUid, DOTreeModel treeModel,
String instanceUid, StringBuffer buffer) {
if (instanceUid == null) {
return;
}
buffer.append("\" src=\"");
appendBaseUrl(linkTreeModelUid, instanceUid, buffer);
if (treeModel.getContainerPane() != null) {
buffer.append("&containerPaneUid=").append(
treeModel.getContainerPane().getObjUid());
}
if (treeModel.getDropDownID() != null) {
buffer.append("&dropDownID=").append(treeModel.getDropDownID());
}
appendIconURL(treeModel, buffer, true);
}
public static void appendIconURL(DOTreeModel treeModel,
StringBuffer buffer, boolean isXmlTrans) {
// if (treeModel.getService() != null) {
//
// System.out.println("ICON:::::::::::::::"
// + treeModel.getService().getBo().getIcon());
// }
String andSymbol = "&";
if (isXmlTrans) {
andSymbol = "&";
}
if (treeModel.getIcon() != null
&& !treeModel.getIcon().trim().equals("")) {
buffer.append(andSymbol).append("icon=")
.append(treeModel.getIcon());
} else {
if (treeModel.getService() != null
&& treeModel.getService().getBo().getIcon() != null
&& !treeModel.getService().getBo().getIcon().trim()
.equals("")) {
buffer.append(andSymbol).append("icon=")
.append(treeModel.getService().getBo().getIcon());
}
}
if (treeModel.getOpenIcon() != null
&& !treeModel.getOpenIcon().trim().equals("")) {
buffer.append(andSymbol).append("openIcon=")
.append(treeModel.getOpenIcon());
} else {
if (treeModel.getService() != null
&& treeModel.getService().getBo().getOpenIcon() != null
&& !treeModel.getService().getBo().getOpenIcon().trim()
.equals("")) {
buffer.append(andSymbol).append("openIcon=")
.append(treeModel.getService().getBo().getOpenIcon());
}
}
}
private void appendIconXML(DOTreeModel treeModel, StringBuffer buffer) {
if (treeModel.getIcon() != null
&& !treeModel.getIcon().trim().equals("")) {
buffer.append("\" icon=\"").append(treeModel.getIcon());
} else {
if (treeModel.getService() != null
&& treeModel.getService().getBo().getIcon() != null
&& !treeModel.getService().getBo().getIcon().trim()
.equals("")) {
buffer.append("\" icon=\"").append(
treeModel.getService().getBo().getIcon());
}
}
if (treeModel.getOpenIcon() != null
&& !treeModel.getOpenIcon().trim().equals("")) {
buffer.append("\" openIcon=\"").append(treeModel.getOpenIcon());
} else {
if (treeModel.getService() != null
&& treeModel.getService().getBo().getOpenIcon() != null
&& !treeModel.getService().getBo().getOpenIcon().trim()
.equals("")) {
buffer.append("\" openIcon=\"").append(
treeModel.getService().getBo().getOpenIcon());
}
}
}
/**
* @param linkTreeModelUid
* @param instanceUid
* @param buffer
*/
private void appendBaseUrl(String linkTreeModelUid, String instanceUid,
StringBuffer buffer) {
buffer.append("/").append(DOGlobals.URL)
.append("/loadtreesvl?treeModelUid=");
buffer.append(linkTreeModelUid);
buffer.append("&contextInstanceUid=").append(instanceUid);
}
/**
* @param treeModel
* @param buffer
* @param instance
* @param parentUid
* TODO
*/
private void appendAction(DOTreeModel treeModel, StringBuffer buffer,
BOInstance instance, String parentUid) {
if (treeModel.getActionPane() != null
&& treeModel.getDropDownID() == null) {
appendActionUrl(treeModel, buffer, instance, parentUid);
if (treeModel.getInitPane() != null) {
String initUrl = treeModel.getInitPane().getFullCorrHref(
instance, null);
initUrl = initUrl.replaceAll("&", "&");
// /////////////////////确定targetPaneID
String targetPaneId = treeModel.getInitPane().getName();
if (treeModel.getInitPane().getTargetPane() != null) {
targetPaneId = treeModel.getInitPane().getTargetPane()
.getName();
}
// //////////////////////确定targetPaneID
// $("#divMain").load();
// loadPml({
// 'pml':'${model.linkPaneModel.name}',
// 'title':'${model.linkPaneModel.title}',
// 'formName':'a${model.gridModel.objUid}'
// <#if (item.targetPaneModel)?exists>
// ,'target':'${model.targetPaneModel.name}'
// </#if> }
// );
buffer.append(";loadPml({'pml':'")
.append(treeModel.getActionPane().getName())
.append("','pmlName':'")
.append(treeModel.getActionPane().getName())
.append("','title':'").append(instance.getName())
.append("','target':'")
.append(treeModel.getTargetPane().getName())
.append("'} );");
// buffer.append("\" action=\"javascript:$('#"
// + treeModel.getTargetPane().getName().replace(".", "_")
// + "').empty().load('"
// + treeModel.getActionPane().getFullCorrHref(instance,
// null).replaceAll("&", "&") + "");
// buffer.append("');");
}
} else if (treeModel.getDropDownID() != null) {
// buffer.append("\" action=\"javascript:dojo.widget.byId('").append(
// treeModel.getDropDownID()).append("').onSetValues('")
// .append(instance.getName()).append("','").append(
// instance.getUid()).append("','").append(
// treeModel.getDropDownID()).append("');");
}
}
/**
* 当点击树节点时，触发的Action's URL
*
* @param treeModel
* @param buffer
* @param instance
* @param parentUid
*/
private void appendActionUrl(DOTreeModel treeModel, StringBuffer buffer,
BOInstance instance, String parentUid) {
String actionUrl = "";
String targetPaneId = "";
if (treeModel.getNoRecordPane() != null && instance != null
&& instance.getUid().equals("tree.new.record")) {
actionUrl = treeModel.getNoRecordPane().getFullCorrHref(instance,
null);
// /////////////////////确定targetPaneID
targetPaneId = treeModel.getNoRecordPane().getName();
if (treeModel.getNoRecordPane().getTargetPane() != null) {
targetPaneId = treeModel.getNoRecordPane().getTargetPane()
.getName();
}
} else {
actionUrl = treeModel.getActionPane().getFullCorrHref(instance,
null);
// /////////////////////确定targetPaneID
targetPaneId = treeModel.getTargetPaneID();
}
if (treeModel.getParent() != null && !treeModel.isSelf()) {// /更新上一层的主键，理论上讲应该一直更新到最上层(需要界面层处理，更新xtree2.js下一步，只有界面层才清楚的知道上层节点的对应，并且可以为树节点加属性)
actionUrl = new StringBuffer(actionUrl)
.append("&dataBus=setContext&contextKey=")
.append(treeModel.getParent().getService().getBo()
.getName()).append("&contextValue=")
.append(parentUid).toString();
}
actionUrl = actionUrl.replaceAll("&", "&");
buffer.append("\" action=\"javascript:loadPml({'pml':'")
.append(actionUrl).append("','pmlName':'")
.append(treeModel.getActionPane().getName())
.append("','title':'").append(instance.getName())
.append("','target':'")
.append(treeModel.getTargetPane().getName()).append("'} );");
// buffer.append("\" id='").append(actionUrl).append(
// "' action=\"javascript:$('#"
// + treeModel.getTargetPane().getName().replace(".", "_")
// + "').empty().load('" + actionUrl);
// $('#webfx-tree-row:eq(0)').parent('table .gMain').next('tr
// .gRi').next('div #divMain').next('div #mRight')
// if (!treeModel.isSelf() && parentUid != null) {
// buffer.append("','");
// this.appendBaseUrl(treeModel.getObjUid(), parentUid, buffer);
// buffer.append("&initOnly=init");
// }
// buffer.append("'");
// // if (treeModel.getActionPane().getIsCache() != null
// // && !treeModel.getActionPane().getIsCache().booleanValue()) {
// buffer.append(",false");
// }
// buffer.append("');");
}
private void addListforNew(List list, DOTreeModel treeModel) {
if (list != null && list.size() > 0) {
return;
}
if (treeModel.getParent() != null) {
return;
}
DOService service = treeModel.getService();
if (service == null || service.getBo() == null) {
return;
}
if (list == null) {
list = new ArrayList();
}
BOInstance instance = new BOInstance();
instance.setUid("tree.new.record");
instance.setBo(service.getBo());
instance.putValue(service.getBo().getValueCol(), "Add New");
list.add(instance);
}
public DOService getIfParentService(DOTreeModel treeModel) {
if (treeModel.getStatus() == DOTreeModel.STATUS_CHILD_MULT) {
if (treeModel.getService() == null) {
if (treeModel.getParent() != null) {
if (treeModel.getParent().getService() != null) {
return treeModel.getParent().getService();
} else {
return getIfParentService(treeModel.getParent());
}
}
}
}
return null;
}
/*
* (non-Java-doc)
*
* @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request,
* HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}