package easyJ.http.tags;
import javax.servlet.jsp.tagext.TagSupport;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.JspWriter;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import easyJ.http.Globals;
import java.util.ArrayList;
import easyJ.system.data.UserPropertyRight;
import easyJ.common.Format;
import easyJ.common.BeanUtil;
import easyJ.database.dao.Page;
import easyJ.common.validate.GenericValidator;
import easyJ.system.service.UserColumnService;
import easyJ.system.data.SysUserCache;
public class DataSelectTag extends TagSupport {
public DataSelectTag() {}
public int doStartTag() throws JspTagException { // 程序的执行起始点
try {
JspWriter out = pageContext.getOut();
HttpServletRequest request = (HttpServletRequest) pageContext
.getRequest();
String className = request.getParameter(Globals.CLASS_NAME);
String primaryKeyName = BeanUtil.getPrimaryKeyName(className);
/* 将来要进行替换 用户ID */
SysUserCache userCache = (SysUserCache) request.getSession()
.getAttribute(Globals.SYS_USER_CACHE);
Long userId = userCache.getUser().getUserId();
/* 这里是从request当中取到用户拥有权限并选择的字段，将来应该是从缓存当中得到，这是需要修改的地方 */
ArrayList displayProperties = userCache
.getDisplayProperties(className);
if (displayProperties == null)
return this.SKIP_BODY;
int propertySize = displayProperties.size();
StringBuffer buffer = new StringBuffer();
buffer
.append("<table width=\"100%\" border=\"1\" id=\"selectDetails\" >\n");
buffer.append("<tr class=\"listTableHead\" id=\"title\">\n");
/* 下面是输出题头栏的checkbox */
buffer.append("<td>选择</td>");
/* 下面输入用来浏览的数据字段 */
/* 为了进行选择，需要将id也放到表格里面，但是就不用显示 */
/* 这里是处理题头 */
buffer
.append("<td nowrap class=\"trTitle\" align=\"center\" style=\"display:none\" ></td>\n");
for (int i = 0; i < propertySize; i++) {
UserPropertyRight property = (UserPropertyRight) displayProperties
.get(i);
/* 其他的一些不用显示的id应该是用不到，但是也还是放过去吧 */
if (!GenericValidator.isBlankOrNull(property.getShowProperty()))
buffer
.append("<td nowrap class=\"trTitle\" align=\"center\" style=\"display:none\" ></td>\n");
buffer
.append("<td nowrap class=\"trTitle\" align=\"center\">\n");
/* 此处 */
buffer.append("<a href=\"javascript:PopUpWindow.orderBy('"
+ property.getPropertyName() + "')\">"
+ property.getPropertyChiName() + "</a>\n");
buffer.append("</td>\n");
}
buffer.append("</tr>\n");
if (request.getAttribute(Globals.PAGE) != null) {
Page page = (Page) request.getAttribute(Globals.PAGE);
ArrayList dataList = page.getPageData();
int dataSize = dataList.size();
ArrayList propertyNameList = new ArrayList();
/* 用来标识隐藏的属性是否已经添加到属性字段properties中，因为是多行显示，只要添加一行就可以了，所以在这里做一个标记。 */
boolean getProperty = false;
for (int i = 0; i < dataSize; i++) {
buffer.append("<tr>\n");
Object object = dataList.get(i);
buffer
.append("<td class=\"trContent\"><input type=\"button\" class=\"button\" id=\"button"
+ i
+ "\" value=\"选择\" onclick=\"PopUpWindow.select(this)\"/> </td>\n");
buffer
.append("<td class=\"trContent\" style=\"display: none;\">"
+ BeanUtil.getPrimaryKeyValue(object)
+ "</td>\n");
for (int j = 0; j < propertySize; j++) {
UserPropertyRight property = (UserPropertyRight) displayProperties
.get(j);
String propertyName = property.getPropertyName();
String value = "";
if (GenericValidator.isBlankOrNull(property
.getShowProperty())) {
value = Format.formatDisplay(BeanUtil
.getFieldValue(object, propertyName));
if (!getProperty)
propertyNameList.add(propertyName);
buffer.append("<td class=\"trContent\" nowrap>"
+ value + "</td>\n");
} else {
String idValue = Format.formatDisplay(BeanUtil
.getFieldValue(object, propertyName));
value = Format.formatDisplay(BeanUtil
.getFieldValue(object, property
.getShowProperty()));
/* 将id属性和要显示的属性都加到页面上面去 */
if (!getProperty) {
propertyNameList.add(propertyName);
propertyNameList
.add(property.getShowProperty());
}
buffer
.append("<td class=\"trContent\" style=\"display:none\">"
+ idValue + "</td>\n");
buffer.append("<td class=\"trContent\" nowrap>"
+ value + "</td>\n");
}
}
getProperty = true;
buffer.append("</tr>\n");
}
/* 这个字段用来告诉客户端有什么样的属性在客户端进行了显示，其中包括一些id */
String propertiesStr = primaryKeyName;
for (int i = 0; i < propertyNameList.size(); i++)
propertiesStr = propertiesStr + ","
+ propertyNameList.get(i);
// propertiesStr=propertiesStr.replaceFirst(",","");
buffer
.append("<input type=\"hidden\" id=\"properties\" value=\""
+ propertiesStr + "\"/>\n");
}
buffer.append("</table>\n");
out.println(buffer.toString());
} catch (IOException e) {
e.printStackTrace();
} catch (easyJ.common.EasyJException ee) {
ee.printStackTrace();
}
return this.SKIP_BODY;
}
}