dirview.java

来自「一个用java编写的功能强大的OA系统」· Java 代码 · 共 283 行

package com.redmoon.oa.fileark;

import cn.js.fan.module.cms.DirectoryView;
import cn.js.fan.module.cms.Leaf;
import javax.servlet.jsp.JspWriter;
import cn.js.fan.util.StrUtil;
import java.util.Iterator;
import java.util.Vector;
import cn.js.fan.module.cms.UprightLineNode;
import javax.servlet.http.HttpServletRequest;
import com.redmoon.oa.pvg.Privilege;
import cn.js.fan.module.cms.LeafPriv;
import cn.js.fan.web.Global;
import cn.js.fan.module.cms.Directory;


public class DirView extends DirectoryView {
    String userName = "";

    String FOLDER_IMG_CANSEE = "folder_cansee.gif";
    String FOLDER_IMG_CANNOTSEE = "folder_cannotsee.gif";
    String FOLDER_IMG_CANMODIFY = "folder_canmodify.gif";

    public DirView(HttpServletRequest request, Leaf rootLeaf) {
        super(rootLeaf);
        Privilege privilege = new Privilege();
        userName = privilege.getUser(request);
    }

    public String getFolderImg(Leaf leaf) {
        LeafPriv lp = new LeafPriv(leaf.getCode());
        if (!lp.canUserSee(userName))
            return FOLDER_IMG_CANNOTSEE;
        if (lp.canUserModify(userName))
            return FOLDER_IMG_CANMODIFY;
        return FOLDER_IMG_CANSEE;
    }

    
    public void ListTreeSimple(JspWriter out, Leaf leaf,
                  boolean isLastChild, String target, String link, String tableClass, String tableClassMouseOn) throws Exception {
        LeafPriv lp = new LeafPriv(leaf.getCode());
        if (leaf.getIsHome()) {
            if (lp.canUserSee(userName))
                ShowLeafSimple(out, leaf, isLastChild, target, link, tableClass,
                               tableClassMouseOn);
        }
        Directory dir = new Directory();
        Vector children = dir.getChildren(leaf.getCode());
        int size = children.size();
        if (size == 0)
            return;

        int i = 0;
        if (size > 0)
            out.print("<table id='childoftable" + leaf.getCode() +
                    "' cellspacing=0 cellpadding=0 width='100%' align=center><tr><td>");
        Iterator ri = children.iterator();
        
        while (ri.hasNext()) {
            i++;
            Leaf childlf = (Leaf) ri.next();
            boolean isLastChild1 = true;
            if (size != i)
                isLastChild1 = false;
            if (childlf.getIsHome()) {
                if (lp.canUserSee(userName))
                    ListTreeSimple(out, childlf, isLastChild1, target, link,
                                   tableClass, tableClassMouseOn);
            }
        }
        if (size > 0)
            out.print("</td></tr></table>");
    }

    public void ShowLeafSimple(JspWriter out, Leaf leaf,
                  boolean isLastChild, String target, String link, String tableClass, String tableClassMouseOn) throws Exception {
        String code = leaf.getCode();
        String name = leaf.getName();
        int layer = leaf.getLayer();
        String folderImg = getFolderImg(leaf);

        if (!isLastChild) {
            Leaf brotherleaf = leaf.getBrother("down");
            
            
            if (brotherleaf != null) {
                
                Vector r = new Vector();
                leaf.getAllChild(r, leaf);
                int count = r.size();
                if (count>0) {
                    UprightLineNode uln = new UprightLineNode(layer, count);
                    
                    
                    UprightLineNodes.addElement(uln);
                }
            }
        }

        int childcount = leaf.getChildCount();
        

        String tableid = "table" + leaf.getCode();

        out.println("<table id=" + tableid + " name=" + tableid + " class='" + tableClass + "' cellspacing=0 cellpadding=0 width='100%' align=center onMouseOver=\"this.className='" + tableClassMouseOn + "'\" onMouseOut=\"this.className='" + tableClass + "'\" border=0>");
        out.println("    <tbody><tr>");
        out.println("        <td height='13' align=left nowrap>");
        
        for (int k = rootLeaf.getLayer(); k <= layer - 1; k++) {
            boolean isShowed = false;
            Iterator ir = UprightLineNodes.iterator();
            while (ir.hasNext()) {
                UprightLineNode node = (UprightLineNode) ir.next();
                
                if (node.getLayer() == k) {
                    node.show(out, "images/i_plus-2.gif");
                    if (node.getCount() == 0) {
                        UprightLineNodes.remove(node);
                        
                    }
                    isShowed = true;
                    break;
                }
            }
            if (!isShowed)
                out.println("<img src='' width=20 height=1>");
        }

        if (leaf.getCode().equals(rootLeaf.getCode())) { 
            out.println("<img onClick=\"ShowChild(this, '" + tableid + "')\" src='images/i_puls-root.gif' align='absmiddle'><img src='images/" + folderImg + "' align='absmiddle'>");
        } else {
            if (isLastChild) { 
                if (childcount > 0)
                    out.println("<img onClick=\"ShowChild(this, '" + tableid + "')\" src='images/i_plus2-2.gif' align='absmiddle'><img src='images/" + folderImg + "' align='absmiddle'>");
                else
                    out.println("<img src='images/i_plus-2-3.gif' align='absmiddle'><img src='images/" + folderImg + "' align='absmiddle'>");
            } else { 
                if (childcount > 0)
                    out.println("<img onClick=\"ShowChild(this, '" + tableid + "')\" src='images/i_plus2-1.gif' align='absmiddle'><img src='images/" + folderImg + "' align='absmiddle'>");
                else
                    out.println("<img src='images/i_plus-2-2.gif' align='absmiddle'><img src='images/" + folderImg + "' align='absmiddle'>");
            }
        }

        
        String linkstr = link;
        String targetstr = target;

        if (leaf.getType()==leaf.TYPE_LINK) {
            linkstr = leaf.getDescription();
            if (!leaf.getTarget().equals(""))
                targetstr = leaf.getTarget();
        }
        else
            linkstr += "?dir_code=" + StrUtil.UrlEncode(code);

        out.print(
                "<a target='" + targetstr + "' href='" + linkstr + "'>" + name + "</a>");

        out.print("     </td>");
        out.println("  </tr></tbody></table>");
    }

    
    public void ListTreeFunc(JspWriter out, Leaf leaf,
                  boolean isLastChild, String target, String func, String tableClass, String tableClassMouseOn) throws Exception {
        LeafPriv lp = new LeafPriv(leaf.getCode());
        
        if (leaf.getIsHome() && leaf.getType()!=leaf.TYPE_LINK) {
            if (lp.canUserSee(userName))
                ShowLeafFunc(out, leaf, isLastChild, target, func, tableClass,
                         tableClassMouseOn);
        }
        Directory dir = new Directory();
        Vector children = dir.getChildren(leaf.getCode());
        int size = children.size();
        if (size == 0)
            return;

        int i = 0;
        if (size > 0)
            out.print("<table id='childoftable" + leaf.getCode() +
                    "' cellspacing=0 cellpadding=0 width='100%' align=center><tr><td>");
        Iterator ri = children.iterator();
        
        while (ri.hasNext()) {
            i++;
            Leaf childlf = (Leaf) ri.next();
            boolean isLastChild1 = true;
            if (size != i)
                isLastChild1 = false;
            if (childlf.getIsHome() && childlf.getType()!=leaf.TYPE_LINK) {
                if (lp.canUserSee(userName))
                    ListTreeFunc(out, childlf, isLastChild1, target, func,
                                 tableClass, tableClassMouseOn);
            }
        }
        if (size > 0)
            out.print("</td></tr></table>");
    }

    public void ShowLeafFunc(JspWriter out, Leaf leaf,
                  boolean isLastChild, String target, String func, String tableClass, String tableClassMouseOn) throws Exception {
        String code = leaf.getCode();
        String name = leaf.getName();
        int layer = leaf.getLayer();
        

        String folderImg = getFolderImg(leaf);

        if (!isLastChild) {
            Leaf brotherleaf = leaf.getBrother("down");
            
            
            if (brotherleaf != null) {
                
                Vector r = new Vector();
                leaf.getAllChild(r, leaf);
                int count = r.size();
                if (count>0) {
                    UprightLineNode uln = new UprightLineNode(layer, count);
                    
                    
                    UprightLineNodes.addElement(uln);
                }
            }
        }

        int childcount = leaf.getChildCount();
        

        String tableid = "table" + leaf.getCode();

        out.println("<table id=" + tableid + " name=" + tableid + " class='" + tableClass + "' cellspacing=0 cellpadding=0 width='100%' align=center onMouseOver=\"this.className='" + tableClassMouseOn + "'\" onMouseOut=\"this.className='" + tableClass + "'\" border=0>");
        out.println("    <tbody><tr>");
        out.println("        <td height='13' align=left nowrap>");
        
        for (int k = rootLeaf.getLayer(); k <= layer - 1; k++) {
            boolean isShowed = false;
            Iterator ir = UprightLineNodes.iterator();
            while (ir.hasNext()) {
                UprightLineNode node = (UprightLineNode) ir.next();
                
                if (node.getLayer() == k) {
                    node.show(out, "images/i_plus-2.gif");
                    if (node.getCount() == 0) {
                        UprightLineNodes.remove(node);
                        
                    }
                    isShowed = true;
                    break;
                }
            }
            if (!isShowed)
                out.println("<img src='' width=20 height=1>");
        }

        if (leaf.getCode().equals(rootLeaf.getCode())) { 
            out.println("<img onClick=\"ShowChild(this, '" + tableid + "')\" src='images/i_puls-root.gif' align='absmiddle'><img src='" + Global.getRootPath() + "/fileark/images/" + folderImg + "' align='absmiddle'>");
        } else {
            if (isLastChild) { 
                if (childcount > 0)
                    out.println("<img onClick=\"ShowChild(this, '" + tableid + "')\" src='images/i_plus2-2.gif' align='absmiddle'><img src='" + Global.getRootPath() + "/fileark/images/" + folderImg + "' align='absmiddle'>");
                else
                    out.println("<img src='images/i_plus-2-3.gif' align='absmiddle'><img src='" + Global.getRootPath() + "/fileark/images/" + folderImg + "' align='absmiddle'>");
            } else { 
                if (childcount > 0)
                    out.println("<img onClick=\"ShowChild(this, '" + tableid + "')\" src='images/i_plus2-1.gif' align='absmiddle'><img src='" + Global.getRootPath() + "/fileark/images/" + folderImg + "' align='absmiddle'>");
                else
                    out.println("<img src='images/i_plus-2-2.gif' align='absmiddle'><img src='" + Global.getRootPath() + "/fileark/images/" + folderImg + "' align='absmiddle'>");
            }
        }

        
        out.print(
                "<a target='" + target + "' href='#' onClick=\"" + func + "('" + code + "', '" + name + "')\">" + name + "</a>");

        out.print("     </td>");
        out.println("  </tr></tbody></table>");
    }
}