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1 package com.teamkonzept.webman.mainint;
2
3 import com.teamkonzept.db.*;
4 import com.teamkonzept.lib.*;
5 import com.teamkonzept.webman.*;
6 import com.teamkonzept.web.*;
7 import com.teamkonzept.webman.db.*;
8 import com.teamkonzept.webman.mainint.events.*;
9
10 import java.util.Stack  ;
11 import java.sql.*;
12
13
18 public class TreeUtils implements ParameterTypes
19 {
20
25 public static TKDBResult mergeIntoTree( TKDBResult tree, TKDBResult branch, String whichNodeId ) throws Throwable
26 {
27 int i = 0;
28 int j = 0;
29 TKDBResult resTree = (TKDBResult) tree.clone();
30 resTree.removeAllElements();
31 TKDBResultRow treeRow = (tree==null)? null : (TKDBResultRow)(tree.get( i++ ));
32 TKDBResultRow branchRow = (branch==null)? null : (TKDBResultRow)(branch.get( j++ ));
33 while( true ) {
34 if( treeRow == null && branchRow == null ) { break; }
35 int treeLeft = getDBResultRowColumnVal( treeRow, "LEFT_NR" );
36 int branchLeft = getDBResultRowColumnVal( branchRow, "LEFT_NR" );
37 if( treeRow == null ) {
38 resTree.addElement( branchRow );
39 branchRow = (TKDBResultRow)(branch.get( j++ ));
40 }
41 else if( branchRow == null ) {
42 resTree.addElement( treeRow );
43 treeRow = (TKDBResultRow)(tree.get( i++ ));
44 }
45 else if( treeLeft == branchLeft ) {
46 int branchNodeId = getDBResultRowColumnVal( branchRow, "NODE_ID" );
47 int branchConNodeId = getDBResultRowColumnVal( branchRow, whichNodeId );
48 if( branchNodeId != branchConNodeId ) {
49 resTree.addElement( branchRow );
50 }
51 else {
52 resTree.addElement( treeRow );
53 }
54 treeRow = (TKDBResultRow)(tree.get( i++ ));
55 branchRow = (TKDBResultRow)(branch.get( j++ ));
56 }
57 else if( treeLeft < branchLeft ) {
58 resTree.addElement( treeRow );
59 treeRow = (TKDBResultRow)(tree.get( i++ ));
60 }
61 else if( treeLeft > branchLeft ) {
62 resTree.addElement( branchRow );
63 branchRow = (TKDBResultRow)(branch.get( j++ ));
64 }
65 }
66 return resTree;
67 }
68
69
74 public static int getMaxDepth( TKDBResult tree, String treeName ) throws Throwable
75 {
76 int depth = 0;
77 int maxDepth = 0;
78 int lastLeft = -1;
79 int lastRight = -1;
80 int thisParent;
81 Stack parents = new Stack ();
82 for(int i = 0; i < tree.size(); i++) {
83 TKDBResultRow resultRow = (TKDBResultRow)(tree.get( i ));
84 int thisLeft = Integer.parseInt( (String ) resultRow.getColumn( "LEFT_NR" ) );
85 int thisRight = Integer.parseInt( (String ) resultRow.getColumn( "RIGHT_NR" ) );
86 String tmp = (String ) resultRow.getColumn( treeName+"_NODE_PARENT" );
87 thisParent = ( tmp == null || tmp.equals("") )?Integer.parseInt( (String ) resultRow.getColumn( treeName+"_NODE_ID" ) ):Integer.parseInt( tmp );
88 if( thisLeft > lastLeft && thisRight < lastRight ) { depth++;
90 parents.push( new Integer ( thisParent ) );
91 }
92 else if( !parents.empty() ) { if( !(parents.peek().equals( new Integer (thisParent))) ) {
94 while( !parents.empty() ) {
95 if( parents.pop().equals( new Integer ( thisParent )) ) {
96 parents.push( new Integer ( thisParent ) );
97 break;
98 }
99 depth--;
100 }
101 }
102 }
103 maxDepth = (depth >= maxDepth) ? depth : maxDepth;
104 lastLeft = thisLeft;
105 lastRight = thisRight;
106 }
107 return maxDepth;
108 }
109
110
116 public static int getDBResultRowColumnVal( TKDBResultRow row, String name )
117 {
118 if( row != null ) {
119 String sVal = (String ) row.getColumn( name );
120 if( sVal.equals( "" ) ) return -1;
121 int val = Integer.parseInt( sVal );
122 return val;
123 }
124 else return -1;
125 }
126
127
134 public static void keepOpenNodes(TKEvent evt, TKHTMLTemplate tmpl ) throws Throwable
135 {
136 TKVector openNodes = new TKVector();
137 if( evt.getParams().hasMultiple( PARAMETER, "OPEN_NODES" ) ) {
138 openNodes = evt.getParams().getVector( PARAMETER, "OPEN_NODES" );
139 }
140 else {
141 openNodes.put( 0, evt.getParameter( PARAMETER, "OPEN_NODES" ) );
143 }
144 if( openNodes.get( 0 ) != null ) {
146 TKStandardIterator iterator1 = new TKStandardIterator( openNodes, tmpl.getListIterator(), "OPEN_NODES", "OPEN_NODES" );
147 tmpl.setListIterator( iterator1 );
148 }
149 }
150
151
164 public static TKVector updateOpenNodes( TKVector openNodes, String openNodeId, String closeNodeId, String me, Class isChildQuery ) throws Throwable
165 {
166 if( !closeNodeId.equals( "-1" ) )
167 { int size = openNodes.size(); TKQuery q;
170 int i = 0;
171 while( i<size ) {
172 String id = (String ) openNodes.get( i );
173 if( id!=null )
174 {
175 if (id.equals(me))
176 {
177 openNodes.removeElementAt( i );
178 size--;
179 }
180 else
181 {
182 q = TKDBManager.newQuery( isChildQuery );
183 q.setQueryParams( "PARENT_ID", new Integer (me) );
184 q.setQueryParams( "CHILD_ID", new Integer (id) );
185 q.execute();
186 ResultSet rs = q.fetchResultSet();
187 if( rs.next() ) {
188 int isChild = rs.getInt("ISCHILD");
189 if( isChild == 1 ) {
190 openNodes.removeElementAt( i ); size--; }
193 else {
194 i++;
195 }
196 }
197 }
198 }
199 }
200 }
201 else { int size = openNodes.size();
203 TKQuery q;
204 int i = 0;
205 while( i<size ) {
206 String id = (String ) openNodes.get( i );
207 if( id!=null ) {
208 q = TKDBManager.newQuery( isChildQuery );
209 q.setQueryParams( "PARENT_ID", new Integer (id) );
210 q.setQueryParams( "CHILD_ID", new Integer (openNodeId) );
211 q.execute();
212 ResultSet rs = q.fetchResultSet();
213 if( rs.next() ) {
214 int isChild = rs.getInt("ISCHILD");
215 if( isChild == 1 ) {
216 openNodes.removeElementAt( i ); size--;
218 }
219 else {
220 i++;
221 }
222 }
223 }
224 }
225 }
226 if( !openNodes.contains( openNodeId ) && openNodeId != null ) openNodes.addElement( openNodeId );
227 if( openNodes.size() >= 2 && openNodes.contains("-1") ) {
228 openNodes.removeElement("-1");
229 }
231 return openNodes;
232 }
233
234 }
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