Source Code Cross Referenced for CENodeDeleteHandler.java in  » Content-Management-System » webman » de » webman » content » eventhandler » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Content Management System » webman » de.webman.content.eventhandler 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package de.webman.content.eventhandler;
002:
003:        import com.teamkonzept.web.*;
004:        import com.teamkonzept.webman.*;
005:        import com.teamkonzept.webman.db.TKWebmanDBManager;
006:        import com.teamkonzept.webman.mainint.*;
007:        import com.teamkonzept.webman.mainint.db.*;
008:        import com.teamkonzept.webman.mainint.db.queries.*;
009:        import com.teamkonzept.webman.mainint.events.*;
010:        import com.teamkonzept.lib.*;
011:        import com.teamkonzept.db.*;
012:
013:        import java.sql.*;
014:        import org.apache.log4j.Category;
015:
016:        /**
017:         * Loeschen eines Knotens aus dem ContentTree:
018:         * aus DB loeschen und Neuaufbauen der NodeListe
019:         *
020:         *	!!!CHecken, ob der zu loeschende node oder seine Kinder in der liste der offenen Nodes ist, wenn ja, dann raus aus der liste
021:         *
022:         * Reihenfolge der Params im String:
023:         * 1.) ROLE
024:         * 2.) CONTENT_NODE_ID
025:         *
026:         *
027:         * @author  $Author: alex $
028:         * @version $Revision: 1.12 $
029:         */
030:        public class CENodeDeleteHandler extends DefaultEventHandler implements 
031:                ParameterTypes, FrameConstants, DatabaseDefaults {
032:            /** Logging */
033:            private static Category cat = Category
034:                    .getInstance(CENodeDeleteHandler.class);
035:
036:            private CENodeDeleteHandler() {
037:            }
038:
039:            private static CENodeDeleteHandler instance = new CENodeDeleteHandler();
040:
041:            public static CENodeDeleteHandler getInstance() {
042:                return instance;
043:            }
044:
045:            public void handleEvent(TKEvent evt) throws TKException {
046:                try {
047:                    CEUtils.checkEvent(evt);
048:                    String nodeParent = evt.getParameter(PARAMETER,
049:                            "CONTENT_NODE_PARENT");
050:                    String sNodeId = evt.getParameter(PARAMETER,
051:                            "CONTENT_NODE_ID");
052:                    String sType = evt.getParameter(PARAMETER,
053:                            "CONTENT_NODE_TYPE");
054:                    // wenn checked gesetzt ist, wurde schon eine Sicherheitsabfrage durchgefuehrt
055:                    boolean checked = evt.getParameter(PARAMETER, "CHECKED") != null;
056:                    TKVector depends = new TKVector();
057:                    boolean isDependent = CEUtils.checkDependencies(
058:                            new Integer(sNodeId), depends, true);
059:                    if (isDependent && !checked) {
060:                        // Sicherheitsabfrage 
061:                        TKHTMLTemplate t = evt
062:                                .getPrepHTMLTemplate("warning_message.tmpl");
063:                        if (nodeParent != null)
064:                            t.set("CONTENT_NODE_PARENT", nodeParent);
065:                        t.set("CONTENT_NODE_ID", sNodeId);
066:                        t.set("CONTENT_NODE_TYPE", sType);
067:                        TKVector openNodes = new TKVector();
068:                        if (evt.getParams()
069:                                .hasMultiple(PARAMETER, "OPEN_NODES")) {
070:                            openNodes = evt.getParams().getVector(PARAMETER,
071:                                    "OPEN_NODES");
072:                        } else {
073:                            openNodes.put(0, evt.getParameter(PARAMETER,
074:                                    "OPEN_NODES"));
075:                        }
076:                        // die liste der offenen nodes kommt ins template
077:                        TKStandardIterator iterator1 = new TKStandardIterator(
078:                                openNodes, t.getListIterator(), "OPEN_NODES",
079:                                "OPEN_NODES");
080:                        t.setListIterator(iterator1);
081:                        t.setListIterator(new TKStandardPluginIterator(
082:                                "REFERENCES", null, depends, false, t
083:                                        .getListIterator()));
084:
085:                        String navContext = evt.getParameter(PARAMETER,
086:                                "NAVIGATION_CONTEXT");
087:                        ContentContext ce;
088:                        if (navContext != null)
089:                            ce = new ContentContext(navContext);
090:                        else
091:                            ce = new ContentContext(evt.getParams());
092:                        t.set("NAVIGATION_CONTEXT", ce.calculateNavContext());
093:                        evt.finishTemplate(t);
094:                        return;
095:                    }
096:                    if (isDependent) {
097:                        TKQuery q = TKDBManager
098:                                .newQuery(TKDBContentTreeDependentST.class);
099:                        q.setQueryParams("CONTENT_NODE_ID",
100:                                new Integer(sNodeId));
101:                        q.execute();
102:                        TKDBResult dbrs = new TKDBResult(q.fetchResultSet());
103:                        TKDBResultRow row;
104:                        int curr = 0;
105:                        while ((row = (TKDBResultRow) dbrs.get(curr++)) != null) {
106:                            String delSiteNode = (String) row
107:                                    .getColumn("SITE_NODE_ID");
108:                            cat.debug(".....so I DELETE site tree node "
109:                                    + delSiteNode);
110:                            q = TKDBManager
111:                                    .newQuery(TKDBSiteTreeDeleteNode.class);
112:                            q.setQueryParams("SITE_NODE_ID", new Integer(
113:                                    delSiteNode));
114:                            q.execute();
115:                        }
116:                        cat
117:                                .debug(".....AND I DELETE all in DOCUMENT_CONTENT with content tree node "
118:                                        + sNodeId);
119:                        q = TKDBManager
120:                                .newQuery(TKDBContentTreeDeleteDependentDC.class);
121:                        q.setQueryParams("CONTENT_NODE_ID",
122:                                new Integer(sNodeId));
123:                        q.execute();
124:                    }
125:                    TKQuery q = TKDBManager
126:                            .newQuery(TKDBContentTreeDeleteNode.class);
127:                    q.setQueryParams("CONTENT_NODE_ID", new Integer(sNodeId));
128:                    q.execute();
129:                    if (sType.equals(GROUP) || sType.equals(DIRECTORY_NODE)) {
130:                        TKVector openNodes = new TKVector();
131:                        if (evt.getParams()
132:                                .hasMultiple(PARAMETER, "OPEN_NODES")) {
133:                            openNodes = evt.getParams().getVector(PARAMETER,
134:                                    "OPEN_NODES");
135:                        } else {
136:                            String openNode = evt.getParameter(PARAMETER,
137:                                    "OPEN_NODES");
138:                            if (openNode != null)
139:                                openNodes.put(0, openNode);
140:                        }
141:                        if (openNodes.size() > 0)
142:                            openNodes = TreeUtils.updateOpenNodes(openNodes,
143:                                    nodeParent, "1", sNodeId,
144:                                    TKDBContentTreeIsChild.class);
145:                        TKHTMLTemplate frame = evt
146:                                .getPrepHTMLTemplate("f_ce.tmpl");
147:                        // behalte sortier-Parameter
148:                        CEUtils.keepSortParameter(evt, frame);
149:
150:                        HTMLUtils.fillFrameSet(frame, LEFT_FRAME_WIDTH,
151:                                "CE_SHOWLIST", "CE_EMPTY");
152:                        TKStandardIterator iterator1 = new TKStandardIterator(
153:                                openNodes, frame.getListIterator(),
154:                                "OPEN_NODES", "OPEN_NODES");
155:                        frame.setListIterator(iterator1);
156:                        evt.finishTemplate(frame);
157:                    } else {
158:                        // SINGLE
159:                        evt.getParams().put(PARAMETER, "RECALCULATE", "a");
160:                        CEBrowseHandler.getInstance().handleEvent(evt);
161:                    }
162:                } catch (Throwable e) {
163:                    // TO DO : Analyze Exception !
164:                    throw WebmanExceptionHandler.getException(e);
165:                }
166:            }
167:
168:            public boolean isHandler(TKEvent evt) {
169:                return evt.getName().equalsIgnoreCase("CE_NODE_DELETE");
170:            }
171:        }
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