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1 package com.teamkonzept.webman.mainint;
2
3 import com.teamkonzept.lib.*;
4 import java.util.*;
5
6
15 public class TKOpenContentTreeIterator implements TKListIterator {
16
17 TKListIterator oldIterator;
18 String  listName;
19 TKDBResult dbResult;
20 int lastLeft = -1;
21 int lastRight = -1;
22 int destId = -1;
23 Stack parents;
24 int level;
25 int levels = 0;
26 int maxlevels;
27
28 public TKOpenContentTreeIterator( TKDBResult dbResult, TKListIterator oldIterator, String listName, int maxlevels )
29 {
30 this.oldIterator = oldIterator;
31 this.listName = listName;
32 this.dbResult = dbResult;
33 this.parents = new Stack();
34 this.level = 0;
35 this.maxlevels = maxlevels;
36 }
37 public TKOpenContentTreeIterator( TKDBResult dbResult, TKListIterator oldIterator, String listName, int destId, int maxlevels )
38 {
39 this.oldIterator = oldIterator;
40 this.listName = listName;
41 this.dbResult = dbResult;
42 this.destId = destId;
43 this.parents = new Stack();
44 this.level = 0;
45 this.maxlevels = maxlevels;
46 }
47
48 public boolean apply( TKTemplate template, int i, String currListName )
49 {
50 if( currListName.equalsIgnoreCase( listName ) ) {
51 if (i >= dbResult.size()) {
52 if (!parents.empty())
53 parents.clear();
54 level = 0;
55 lastLeft = -1;
56 lastRight = -1;
57 return false;
58 }
59 TKDBResultRow resultRow = (TKDBResultRow)(dbResult.get( i ));
60 if( !TKDBTemplate.prepareTemplate( resultRow,template ) ) return false;
61 try {
62 int myId = Integer.parseInt( (String ) resultRow.getColumn( "CONTENT_NODE_ID" ) );
63 if( destId != -1 && myId == destId ) {
64 template.set( "IS_DESTINATION", Boolean.TRUE );
65 }
66 int thisLeft = Integer.parseInt( (String ) resultRow.getColumn( "LEFT_NR" ) );
67 int thisRight = Integer.parseInt( (String ) resultRow.getColumn( "RIGHT_NR" ) );
68 String tmp = (String ) resultRow.getColumn( "CONTENT_NODE_PARENT" );
69 int thisParent = ( tmp == null || tmp.equals("") )?myId:Integer.parseInt( tmp );
70
71 String nodeId = (String ) resultRow.getColumn( "NODE_ID" );
72 int thisPar = ( nodeId.equals("") )?myId+1:Integer.parseInt( nodeId );
73
74 String nodeType = (String ) resultRow.getColumn( "CONTENT_NODE_TYPE" );
75 if(nodeType != null && nodeType.equals(DatabaseDefaults.GROUP)) {
76 template.set( "IS_GROUP", Boolean.TRUE );
77 }
78
79 if( nodeId.equals("")){
80 template.set( "IS_LEAF", Boolean.TRUE );
81 }
82 else if( thisPar == myId ) {
83 template.set( "IS_CLOSED", Boolean.TRUE );
84 }
85 else {
86 template.set( "IS_OPEN", Boolean.TRUE );
87 }
88
89 if( i == 0 ) template.set( "IS_ROOT", Boolean.TRUE );
90 if( thisLeft > lastLeft && thisRight < lastRight ) {
91 parents.push( new Integer ( thisParent ) );
92 level++;
93 }
94 else if( !parents.empty() ) {
95 if( !(parents.peek().equals( new Integer (thisParent))) ) {
100 while( !parents.empty() ) {
101 if( parents.pop().equals( new Integer ( thisParent )) ) {
102 parents.push( new Integer ( thisParent ) );
103 break;
104 }
105 level--;
106 }
107 }
108 }
109 levels = level;
110 template.set( "LEVEL", new Integer ( level ) );
111 template.set( "CURR_COLSPAN", new Integer ( maxlevels - level + 1 ) );
112 lastLeft = thisLeft;
113 lastRight = thisRight;
114 }
115 catch ( Throwable th ) {
116 throw new Error ( th.getMessage() );
117 }
118 return true;
119 }
120 else if( currListName.equalsIgnoreCase( "LEVELS" ) ) {
121 return (--levels >= 0);
122 }
123 else if( oldIterator != null ) {
124 return oldIterator.apply( template, i, currListName );
125 }
126 else {
127 return false;
128 }
129 }
130 }
131
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