directoryview.java

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package cn.js.fan.module.cms;

import java.util.*;

import javax.servlet.http.*;
import javax.servlet.jsp.*;

import cn.js.fan.module.cms.plugin.*;
import cn.js.fan.module.pvg.*;
import cn.js.fan.util.*;
import cn.js.fan.web.*;
import org.apache.log4j.*;

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

    public DirectoryView(Leaf rootLeaf) {
        this.rootLeaf = rootLeaf;
        logger = Logger.getLogger(Leaf.class.getName());
    }

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

    public void ListSimpleAjax(JspWriter out, String target, String link, String tableClass, String tableClassMouseOn, boolean isShowRoot) throws Exception {
        Privilege privilege = new Privilege();
        ListTreeSimpleAjax(privilege, out, rootLeaf, true, target, link, tableClass, tableClassMouseOn, isShowRoot);
    }

    
    public void SelectSingleAjax(JspWriter out, String func, String tableClass, String tableClassMouseOn, boolean isShowRoot) throws Exception {
        Privilege privilege = new Privilege();
        SelectTreeSingleAjax(privilege, out, rootLeaf, func, tableClass, tableClassMouseOn, isShowRoot);
    }

    void SelectTreeSingleAjax(Privilege privilege, JspWriter out, Leaf leaf,
                        String func,
                        String tableClass, String tableClassMouseOn, boolean isShowRoot) throws
            Exception {
        if (isShowRoot)
            ShowLeafSingleAjax(privilege, out, leaf, 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='childof" + 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();
            ShowLeafSingleAjax(privilege, out, childlf, func, tableClass,
                           tableClassMouseOn);
        }
        if (size > 0)
            out.print("</td></tr></table>");
    }


    
    void ShowLeafSingleAjax(Privilege privilege, JspWriter out, Leaf leaf,
                  String func, String tableClass, String tableClassMouseOn) throws Exception {
        String code = leaf.getCode();
        String name = leaf.getName();
        int layer = leaf.getLayer();

        int childcount = leaf.getChildCount();

        String tableid = 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='20' align=left nowrap>");

        int padWidth = 0;
        for (int k = 1; k <= layer - 1; k++) {
            padWidth += 21;
        }
        if (childcount==0)
            padWidth += 16;
        out.print("<img src='' width=" + padWidth + " 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 (childcount > 0)
                out.println("<img onClick=\"ShowChild(this, '" + tableid + "')\" src='images/i_plus.gif' align='absmiddle'><img src='' width=3px height=1><img src='images/folder_01.gif' align='absmiddle'>");
            else
                out.println("<img src='images/folder_01.gif' align='absmiddle'>");
        }

        
        if (leaf.getType()==Leaf.TYPE_COLUMN) {
            out.print(
                    "<a href=\"javascript:" + func
                     + "('" + code + "','" + name + "')\" class=\"column\">" + name + "</a>");
        }
        else if (leaf.getType() == Leaf.TYPE_SUB_SITE) {
            out.print(
                     "<a href=\"javascript:" + func
                      + "('" + code + "','" + name + "')\" class=\"subsite\">" + name + "</a>");
        }
        else {
            out.print(
                     "<a href=\"javascript:" + func
                      + "('" + code + "','" + name + "')\">" + name + "</a>");
        }
        out.print("     </td>");
        out.println("  </tr></tbody></table>");

        LeafPriv lp = new LeafPriv(leaf.getCode());
        if (!lp.canUserSeeWithAncestorNode(privilege.getUser(request))) {
            if (!leaf.getCode().equals("root")) {
                out.println("<script>\n");
                out.println("tableid.style.display='none';\n");
                out.println("</script>\n");
            }
        }
    }

    
    void ListTreeSimpleAjax(Privilege privilege, JspWriter out, Leaf leaf,
                        boolean isLastChild, String target, String link,
                        String tableClass, String tableClassMouseOn, boolean isShowRoot) throws
            Exception {
        if (isShowRoot)
            ShowLeafSimpleAjax(privilege, 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='childof" + 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;
            ShowLeafSimpleAjax(privilege, out, childlf, isLastChild, target, link, tableClass,
                           tableClassMouseOn);
        }
        if (size > 0)
            out.print("</td></tr></table>");
    }

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

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

    
    void ShowLeafSimple(Privilege privilege, 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 description = leaf.getDescription();

        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'>");