/*
* Copyright 2008 biaoping.yin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.frameworkset.common.tag.pager.config;
import java.io.IOException;
import java.io.StringWriter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import com.frameworkset.common.ecs.Link;
import com.frameworkset.common.ecs.Script;
import com.frameworkset.common.tag.BaseTag;
import com.frameworkset.util.VelocityUtil;
import bboss.org.apache.velocity.Template;
import bboss.org.apache.velocity.VelocityContext;
import bboss.org.apache.velocity.exception.MethodInvocationException;
import bboss.org.apache.velocity.exception.ParseErrorException;
import bboss.org.apache.velocity.exception.ResourceNotFoundException;
/**
* <p>Title: PageConfig.java</p>
* <p>Description: </p>
* <p>bboss workgroup</p>
* <p>Copyright (c) 2008</p>
* @Date 2010-4-12 下午05:55:45
* @author biaoping.yin
* @version 1.0
*/
public class PageConfig extends BaseTag
{
private static final String popscript = "contextmenu/popscript.vm";
public static final String popscript_set_flag= "popscript_set_flag________";
public static final String jqueryscript_set_flag= "jqueryscript_set_flag________";
public static final String pagerscript_set_flag= "pagerscript_set_flag________";
public static final String treescript_set_flag= "treescript_set_flag________";
private boolean enablecontextmenu = true;
private boolean enabletree = true;
@Override
public int doEndTag() throws JspException
{
this.enablecontextmenu = true;
return super.doEndTag();
}
public static final String node_parent_indent = "node_parent_indent";
public static final String easyui_css = "/include/themes/default/easyui.css";
public static final String icon_css = "/include/themes/icon.css";
public static final String jquery_easyui_js = "/include/jquery.easyui.min.js";
public static final String jquery_js = "/include/jquery-1.4.2.min.js";
public static final String pager_js = "/include/pager.js";
public static final String pager_css = "/include/pager.css";
public static String getPopScript(HttpServletRequest request ,boolean enablecontextmenu)
{
// if(!enablecontextmenu) //没有启用右键菜单，不输出右键菜单js脚本
// {
// return "";
// }
// StringBuffer output = new StringBuffer(150);
String enablecontextmenu_flag = (String)request.getAttribute(popscript_set_flag);
String parent_indent = request.getParameter(node_parent_indent);
if(parent_indent == null || parent_indent.equals(""))
{
}
else //启用右键菜单，但是是树的延迟加载，不需要输出右键菜单js脚本
{
return "";
}
if(enablecontextmenu_flag != null && enablecontextmenu_flag.equals("true")) //启用右键菜单，已经输出右键菜单js脚本不需要加
{
return "";
}
else //启用右键菜单，第一次输出右键菜单js脚本，并设置标记enablecontextmenu_flag为true
{
try
{
/**
* <link rel="stylesheet" type="text/css" href="${contextpath}/include/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="${contextpath}/include/themes/icon.css">
<script type="text/javascript" src="${contextpath}/include/jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="${contextpath}/include/jquery.easyui.min.js"></script>
*/
java.io.StringWriter wi = new StringWriter();
wi.write(PageConfig.getLink(request.getContextPath() + easyui_css, request));
wi.write(PageConfig.getLink(request.getContextPath() + icon_css, request));
wi.write(PageConfig.getScript(request.getContextPath() + jquery_js, request));
wi.write(PageConfig.getScript(request.getContextPath() + jquery_easyui_js, request));
if(enablecontextmenu)
{
Template template = VelocityUtil.getTemplate(popscript);
VelocityContext context = new VelocityContext();
context.put("contextpath",request.getContextPath());
template.merge(context,wi);
}
// System.out.println("wi.getBuffer()________________________________________________");
// System.out.println(wi.getBuffer());
// output.append(wi.getBuffer());
request.setAttribute(popscript_set_flag, "true");
return wi.getBuffer().toString();
}
catch (ResourceNotFoundException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch (ParseErrorException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch (MethodInvocationException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
return "";//启用右键菜单，第一次输出右键菜单js脚本，加载时出现异常返回""
}
// if(enablecontextmenu)
// {
// Template template = VelocityUtil.getTemplate(popscript);
//
// VelocityContext context = new VelocityContext();
// context.put("contextpath",request.getContextPath());
//
// java.io.StringWriter wi = new StringWriter();
// template.merge(context,wi);
// // System.out.println("wi.getBuffer()________________________________________________");
// // System.out.println(wi.getBuffer());
// output.append(wi.getBuffer());
// request.setAttribute(popscript_set_flag, "true");
// }
// return output.toString();
}
public static final String treeview_css = "/include/treeview.css";
public static String getTreeConfig(HttpServletRequest request,boolean enabletree)
{
// String configed = (String)request.getAttribute(treescript_set_flag);
// if(configed == null || !configed.equals("true"))
// {
// StringBuffer output = new StringBuffer(150);
//
// output.append("<link rel=\"stylesheet\" type=\"text/css\" href=\"").append(request.getContextPath()).append("/include/treeview.css\"/>");
// request.setAttribute(treescript_set_flag,"true");
// return output.toString();
// }
// return "";
if(!enabletree )
return "";
String treecss = request.getContextPath()+treeview_css;
return PageConfig.getLink(treecss, request);
}
public static String getJqueryConfig(HttpServletRequest request)
{
String src = request.getContextPath()+jquery_js;
return PageConfig.getScript(src, request);
// String configed = (String)request.getAttribute(jqueryscript_set_flag);
//
// if(configed == null || !configed.equals("true"))
// {
// StringBuffer output = new StringBuffer(150);
//
// output.append("<script src=\"").append(request.getContextPath())
// .append("/include/jquery-1.4.2.min.js\" type=\"text/javascript\"></script>");
//
// request.setAttribute(jqueryscript_set_flag,"true");
// return output.toString();
// }
// return "";
}
public static String getPagerConfig(HttpServletRequest request)
{
// String configed = (String)request.getAttribute(pagerscript_set_flag);
// if(configed == null || !configed.equals("true"))
// {
// StringBuffer output = new StringBuffer(150);
// output.append("<script src=\"").append(request.getContextPath())
// .append("/include/pager.js\" type=\"text/javascript\"></script>");
//
// request.setAttribute(pagerscript_set_flag,"true");
// return output.toString();
// }
// return "";
String pagerjs = request.getContextPath()+pager_js;
return PageConfig.getScript(pagerjs, request);
}
public static String getPagerCss(HttpServletRequest request)
{
// String configed = (String)request.getAttribute(pagerscript_set_flag);
// if(configed == null || !configed.equals("true"))
// {
// StringBuffer output = new StringBuffer(150);
// output.append("<script src=\"").append(request.getContextPath())
// .append("/include/pager.js\" type=\"text/javascript\"></script>");
//
// request.setAttribute(pagerscript_set_flag,"true");
// return output.toString();
// }
// return "";
String pagerjs = request.getContextPath()+pager_css;
return PageConfig.getLink(pagerjs, request);
}
@Override
public int doStartTag() throws JspException
{
int ret = super.doStartTag();
try
{
out.print(getJqueryConfig(request));
out.print(getPagerConfig(request));
out.print(getPagerCss(request));
out.print(getTreeConfig(request,enabletree));
out.print(getPopScript(request, enablecontextmenu));
}
catch (Exception e)
{
throw new JspException(e);
}
return ret;
}
public boolean isEnablecontextmenu()
{
return enablecontextmenu;
}
public void setEnablecontextmenu(boolean enablecontextmenu)
{
this.enablecontextmenu = enablecontextmenu;
}
public static final Object lock = new Object();
public static void putScript(String src,HttpServletRequest request,JspWriter out)
{
if(src == null || src.equals(""))
return ;
if(request.getAttribute(src) != null)
return ;
Script script = new Script();
script.setSrc(src);
script.setType("text/javascript");
try {
out.print(script.toString());
request.setAttribute(src, lock);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static String getScript(String src,HttpServletRequest request)
{
if(src == null || src.equals(""))
return "";
if(request.getAttribute(src) != null)
return "";
Script script = new Script();
script.setSrc(src);
script.setType("text/javascript");
request.setAttribute(src, lock);
return script.toString();
}
// public static String getPagerCSS(String src,HttpServletRequest request)
// {
// if(src == null || src.equals(""))
// return "";
// if(request.getAttribute(src) != null)
// return "";
// /**
// * <link rel="stylesheet"
// href="${pageContext.request.contextPath}/css/classic/mainnav.css"
// type="text/css">
// */
// Link link = new Link();
// link.setRel("stylesheet");
// link.setHref(src);
// link.setType("text/css");
//
//
// request.setAttribute(src, lock);
// return link.toString();
//
//
//
// }
public static void putLink(String src,HttpServletRequest request,JspWriter out)
{
if(src == null || src.equals(""))
return ;
if(request.getAttribute(src) != null)
return ;
Link script = new Link();
script.setHref(src);
script.setRel("stylesheet");
script.setType("text/css");
try {
out.print(script.toString());
request.setAttribute(src, lock);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static String getLink(String src,HttpServletRequest request)
{
if(src == null || src.equals(""))
return "";
if(request.getAttribute(src) != null)
return "";
Link script = new Link();
script.setHref(src);
script.setRel("stylesheet");
script.setType("text/css");
request.setAttribute(src, lock);
return script.toString();
}
public boolean isEnabletree() {
return enabletree;
}
public void setEnabletree(boolean enabletree) {
this.enabletree = enabletree;
}
}