musicdirview.java

cwbbs 云网论坛源码

package com.redmoon.forum.music;

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.module.cms.UprightLineNode;
import cn.js.fan.util.ErrMsgException;

public class MusicDirView {
    public MusicDirView() {
        try {
            jbInit();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    Logger logger = Logger.getLogger(MusicDirView.class.getName());
    MusicDirDb rootLeaf;
    Vector UprightLineNodes = new Vector(); 

    public MusicDirView(MusicDirDb rootLeaf) {
        this.rootLeaf = rootLeaf;
    }

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

    
    void ListTree(JspWriter out, MusicDirDb leaf,
                  boolean isLastChild) throws Exception {
        ShowLeaf(out, leaf, isLastChild);
        MusicDirMgr dm = new MusicDirMgr();
        Vector children = dm.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++;
            MusicDirDb childlf = (MusicDirDb) 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, MusicDirDb leaf,
                  boolean isLastChild) throws Exception {
        String code = leaf.getCode();
        String name = leaf.getName();
        int layer = leaf.getLayer();
        String description = leaf.getDescription();

        if (!isLastChild) {
            MusicDirDb 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() == 2) {
            out.print("<a target=_parent href='subject_list_m.jsp.jsp?code=" +
                      StrUtil.UrlEncode(code) + "'>" + name +
                      "</a>");
        } else if (leaf.getType() == 1)
            out.print(
                    "<a target=_parent href='subject_list_m.jsp?code=" +
                    StrUtil.UrlEncode(code) + "'>" + name + "</a>");
        else if (leaf.getType() == 0) {
            out.print(name);
        }

        out.print("     </td><td width='15%' align=right nowrap>");
        if (!leaf.getCode().equals("root")) {

            out.print(
                    "<a target=dirbottomFrame href='subject_bottom.jsp?parent_code=" +
                    StrUtil.UrlEncode(code, "utf-8") + "&parent_name=" +
                    StrUtil.UrlEncode(name, "utf-8") +
                    "&op=AddChild'>添子目录</a>&nbsp;");
            out.print(
                    "<a target='dirbottomFrame' href='subject_bottom.jsp?op=modify&code=" +
                    StrUtil.UrlEncode(code, "utf-8") + "&name=" +
                    StrUtil.UrlEncode(name, "utf-8") + "&description=" +
                    StrUtil.UrlEncode(description, "utf-8") + "'>修改</a>&nbsp;");
            out.print(
                    "<a target=_self href=# onClick=\"if (window.confirm('您确定要删除" +
                    name +
                    "吗?')) window.location.href='subject_top.jsp?op=del&root_code=" + StrUtil.UrlEncode(rootLeaf.getCode()) + "&delcode=" +
                    StrUtil.UrlEncode(code, "utf-8") + "'\">删除</a>&nbsp;");
            out.print("<a href='subject_top.jsp?op=move&direction=up&code=" +
                      StrUtil.UrlEncode(code, "utf-8") + "'>上移</a>&nbsp;");
            out.print("<a href='subject_top.jsp?op=move&direction=down&code=" +
                      StrUtil.UrlEncode(code, "utf-8") + "'>下移</a>&nbsp;");
        }
        out.println("  </td></tr></tbody></table>");
    }

    void ShowDirAsOption(JspWriter out, MusicDirDb 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 + "'>" + blank + "╋ " + name + "</option>");
        }
        else {
            out.print("<option value=\"" + code + "\">" + blank + "├『" + name +
                      "』</option>");
        }
    }

    public String getDirAsOption(MusicDirDb leaf, int rootlayer) {
        String outStr = "";
        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) {
            outStr += "<option value='" + code + "'>" + blank + "╋ " + name + "</option>";
        }
        else {
            outStr += "<option value=\"" + code + "\">" + blank + "├『" + name +
                      "』</option>";
        }
        return outStr;
    }

    public String getDirNameAsOptionValue(MusicDirDb leaf, int rootlayer) {
        String outStr = "";
        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) {
            outStr += "<option value='" + name + "'>" + blank + "╋ " + name + "</option>";
        }
        else {
            outStr += "<option value=\"" + name + "\">" + blank + "├『" + name +
                      "』</option>";
        }
        return outStr;
    }

    
    public void ShowDirAsOptions(JspWriter out, MusicDirDb leaf, int rootlayer) throws Exception {
        ShowDirAsOption(out, leaf, rootlayer);
        MusicDirMgr dm = new MusicDirMgr();
        Vector children = dm.getChildren(leaf.getCode());
        int size = children.size();
        if (size == 0)
            return;

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

    public StringBuffer getDirAsOptions(StringBuffer outStr, MusicDirDb leaf, int rootlayer) throws ErrMsgException {
        outStr.append(getDirAsOption(leaf, rootlayer));
        MusicDirMgr dm = new MusicDirMgr();
        Vector children = dm.getChildren(leaf.getCode());
        int size = children.size();
        if (size == 0)
            return outStr;

        Iterator ri = children.iterator();
        while (ri.hasNext()) {
            MusicDirDb childlf = (MusicDirDb) ri.next();
            getDirAsOptions(outStr, childlf, rootlayer);
        }
        return outStr;
    }

    public StringBuffer getDirNameAsOptions(StringBuffer outStr, MusicDirDb leaf, int rootlayer) throws ErrMsgException {
        outStr.append(getDirNameAsOptionValue(leaf, rootlayer));
        MusicDirMgr dm = new MusicDirMgr();
        Vector children = dm.getChildren(leaf.getCode());
        int size = children.size();
        if (size == 0)
            return outStr;

        int i = 0;
        Iterator ri = children.iterator();
        while (ri.hasNext()) {
            MusicDirDb childlf = (MusicDirDb) ri.next();
            getDirNameAsOptions(outStr, childlf, rootlayer);
        }
        return outStr;
    }

    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, MusicDirDb leaf,
                  boolean isLastChild, String target, String link, String tableClass, String tableClassMouseOn) throws Exception {
        ShowLeafSimple(out, leaf, isLastChild, target, link, tableClass, tableClassMouseOn);
        MusicDirMgr dir = new MusicDirMgr();
        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++;
            MusicDirDb childlf = (MusicDirDb) 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>");
    }