directoryview.java

来自「cwbbs 云网论坛源码」· Java 代码 · 共 378 行

package com.redmoon.forum.ui.menu;

import cn.js.fan.util.StrUtil;
import java.util.Vector;
import javax.servlet.jsp.JspWriter;
import java.util.Iterator;
import org.apache.log4j.Logger;
import cn.js.fan.util.ErrMsgException;
import cn.js.fan.web.SkinUtil;
import javax.servlet.http.HttpServletRequest;

public class DirectoryView {
    Logger logger = Logger.getLogger(Leaf.class.getName());
    Leaf rootLeaf;
    Vector UprightLineNodes = new Vector(); 
    HttpServletRequest request;

    public DirectoryView(HttpServletRequest request, Leaf rootLeaf) {
        this.rootLeaf = rootLeaf;
        this.request = request;
    }

    public void ListSimple(JspWriter out, String target, String link, String tableClass, String tableClassMouseOn) throws Exception {
        ListTreeSimple(out, rootLeaf, true, target, link, tableClass, tableClassMouseOn);
    }

    
    void ListTreeSimple(JspWriter out, Leaf leaf,
                  boolean isLastChild, String target, String link, String tableClass, String tableClassMouseOn) throws Exception {
        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;
            ListTreeSimple(out, childlf, isLastChild1, target, link, tableClass, tableClassMouseOn);
        }
        if (size > 0)
            out.print("</td></tr></table>");
    }

    
    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();

        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/folder_01.gif' 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/folder_01.gif' align='absmiddle'>");
                else
                    out.println("<img src='images/i_plus-2-3.gif' align='absmiddle'><img src='images/folder_01.gif' align='absmiddle'>");
            } else { 
                if (childcount > 0)
                    out.println("<img onClick=\"ShowChild(this, '" + tableid + "')\" src='images/i_plus2-1.gif' align='absmiddle'><img src='images/folder_01.gif' align='absmiddle'>");
                else
                    out.println("<img src='images/i_plus-2-2.gif' align='absmiddle'><img src='images/folder_01.gif' align='absmiddle'>");
            }
        }

        
        out.print(
                "<a target='" + target + "' href='" + link + "?dir_code=" +
                StrUtil.UrlEncode(code) + "'>" + name + "</a>");

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

    public void list(JspWriter out) throws Exception {
        ListTree(out, rootLeaf, true);
    }

    
    void ListTree(JspWriter out, Leaf leaf,
                  boolean isLastChild) throws Exception {
        ShowLeaf(out, leaf, isLastChild);

        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;
            ListTree(out, childlf, isLastChild1);
        }
        if (size > 0)
            out.print("</td></tr></table>");
    }

    
    void ShowLeaf(JspWriter out, Leaf leaf,
                  boolean isLastChild) throws Exception {
        String code = leaf.getCode();
        String name = leaf.getName();
        int layer = leaf.getLayer();
        String link = leaf.getLink();

        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='tbg1' cellspacing=0 cellpadding=0 width='100%' align=center onMouseOver=\"this.className='tbg1sel'\" onMouseOut=\"this.className='tbg1'\" border=0>");
        out.println("    <tbody><tr>");
        out.println("        <td width='85%' 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/folder_01.gif' 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/folder_01.gif' align='absmiddle'>");
                else
                    out.println("<img src='images/i_plus-2-3.gif' align='absmiddle'><img src='images/folder_01.gif' align='absmiddle'>");
            } else { 
                if (childcount > 0)
                    out.println("<img onClick=\"ShowChild(this, '" + tableid + "')\" src='images/i_plus2-1.gif' align='absmiddle'><img src='images/folder_01.gif' align='absmiddle'>");
                else
                    out.println("<img src='images/i_plus-2-2.gif' align='absmiddle'><img src='images/folder_01.gif' align='absmiddle'>");
            }
        }

        if (leaf.getType()==Leaf.TYPE_LINK) {
            out.print("<a class='link' target=_blank href='" + leaf.getLink(request) + "'>" + leaf.getName(request) + "</a>");
        }
        else if (leaf.getType()==Leaf.TYPE_PRESET) {
            out.print("<a class='pre' target=_blank href='" + leaf.getLink(request) + "'>" + leaf.getName(request) + "</a>");
        }
        else
            out.print(leaf.getName(request));

        out.print("     </td><td width='15%' align=right nowrap>");
        if (!leaf.getCode().equals("root")) {
            if (leaf.getLayer()<=3) {
                out.print(
                        "<a target=dirbottomFrame href='menu_bottom.jsp?parent_code=" +
                        StrUtil.UrlEncode(code, "utf-8") + "&parent_name=" +
                        StrUtil.UrlEncode(name, "utf-8") +
                        "&op=AddChild'>" +
                        SkinUtil.LoadString(request, "res.forum.DirectoryView",
                                            "link_addchild") + "</a>&nbsp;");
            }
            out.print(
                    "<a target='dirbottomFrame' href='menu_bottom.jsp?op=modify&code=" +
                    StrUtil.UrlEncode(code) + "&name=" +
                    StrUtil.UrlEncode(name) + "&link=" +
                    StrUtil.UrlEncode(link) + "'>" + SkinUtil.LoadString(request, "res.forum.DirectoryView", "link_modify") + "</a>&nbsp;");
            out.print(
                    "<a target=_self href=# onClick=\"if (window.confirm('" + SkinUtil.LoadString(request, "res.forum.DirectoryView", "confirm_del") + "')) window.location.href='menu_top.jsp?op=del&delcode=" +
                    StrUtil.UrlEncode(code, "utf-8") + "'\">" + SkinUtil.LoadString(request, "res.forum.DirectoryView", "link_del") + "</a>&nbsp;");
            out.print("<a href='menu_top.jsp?op=move&direction=up&code=" +
                      StrUtil.UrlEncode(code, "utf-8") + "'>" + SkinUtil.LoadString(request, "res.forum.DirectoryView", "link_move_up") + "</a>&nbsp;");
            out.print("<a href='menu_top.jsp?op=move&direction=down&code=" +
                      StrUtil.UrlEncode(code, "utf-8") + "'>" + SkinUtil.LoadString(request, "res.forum.DirectoryView", "link_move_down") + "</a>&nbsp;");
        }
        out.println("  </td></tr></tbody></table>");
    }

    void ShowLeafAsOption(JspWriter out, Leaf leaf, int rootlayer)
                  throws Exception {
        String code = leaf.getCode();
        String name = leaf.getName();
        int layer = leaf.getLayer();
        String blank = "";
        int d = layer-rootlayer;
        for (int i=0; i<d; i++) {
            blank += "　";
        }
        if (leaf.getChildCount()>0) {
            out.print("<option value='" + code + "' style='COLOR: #0005ff'>" + blank + "╋ " + name + "</option>");
        }
        else {
            out.print("<option value=\"" + code + "\" style='COLOR: #0005ff'>" + blank + "├『" + name +
                      "』</option>");
        }
    }

    public void ShowLeafAsOptionToString(StringBuffer sb, Leaf leaf, int rootlayer)
                  throws Exception {
        String code = leaf.getCode();
        String name = leaf.getName();
        int layer = leaf.getLayer();
        String blank = "";
        int d = layer-rootlayer;
        for (int i=0; i<d; i++) {
            blank += "　";
        }
        if (leaf.getChildCount()>0) {
            sb.append("<option value='" + code + "' style='COLOR: #0005ff'>" + blank + "╋ " + name + "</option>");
        }
        else {
            sb.append("<option value=\"" + code + "\" style='COLOR: #0005ff'>" + blank + "├『" + name +
                      "』</option>");
        }
    }

    
    public void ShowDirectoryAsOptions(JspWriter out, Leaf leaf, int rootlayer) throws Exception {
        ShowLeafAsOption(out, leaf, rootlayer);
        Directory dir = new Directory();
        Vector children = dir.getChildren(leaf.getCode());
        int size = children.size();
        if (size == 0)
            return;

        int i = 0;
        Iterator ri = children.iterator();
        while (ri.hasNext()) {
            Leaf childlf = (Leaf) ri.next();
            ShowDirectoryAsOptions(out, childlf, rootlayer);
        }
    }

    
    public void ShowDirectoryAsOptionsToString(StringBuffer sb, Leaf leaf, int rootlayer) throws Exception {
        ShowLeafAsOptionToString(sb, leaf, rootlayer);
        Directory dir = new Directory();
        Vector children = dir.getChildren(leaf.getCode());
        int size = children.size();
        if (size == 0)
            return;

        int i = 0;
        Iterator ri = children.iterator();
        while (ri.hasNext()) {
            Leaf childlf = (Leaf) ri.next();
            ShowDirectoryAsOptionsToString(sb, childlf, rootlayer);
        }
    }

    
    void ShowLeafAsOptionWithCode(JspWriter out, Leaf leaf, int rootlayer)
                  throws Exception {
        String code = leaf.getCode();
        String name = leaf.getName();
        int layer = leaf.getLayer();
        String blank = "";
        int d = layer-rootlayer;
        for (int i=0; i<d; i++) {
            blank += "　";
        }
        out.print("<option value='" + code + "'>" + blank + "╋ " + name + "</option>");
    }

    
    public void ShowDirectoryAsOptionsWithCode(JspWriter out, Leaf leaf, int rootlayer) throws Exception {
        ShowLeafAsOptionWithCode(out, leaf, rootlayer);
        Directory dir = new Directory();
        Vector children = dir.getChildren(leaf.getCode());
        int size = children.size();
        if (size == 0)
            return;

        int i = 0;
        Iterator ri = children.iterator();
        while (ri.hasNext()) {
            Leaf childlf = (Leaf) ri.next();
            ShowDirectoryAsOptionsWithCode(out, childlf, rootlayer);
        }
    }
}