Source Code Cross Referenced for TaxonomyBrowserTreeView.java in  » Portal » Open-Portal » com » sun » portal » search » admin » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » Open Portal » com.sun.portal.search.admin 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright 2001 Sun Microsystems, Inc.  All rights reserved.
003:         * PROPRIETARY/CONFIDENTIAL.  Use of this product is subject to license terms.
004:         */
005:
006:        /*
007:         * TaxonomyBrowserTreeView.java
008:         *
009:         * Created on January 24, 2002, 12:42 AM
010:         */
011:
012:        package com.sun.portal.search.admin;
013:
014:        import java.io.*;
015:        import java.lang.reflect.*;
016:        import java.util.*;
017:        import java.util.logging.Logger;
018:        import java.util.logging.Level;
019:        import java.net.*;
020:
021:        import javax.servlet.*;
022:        import javax.servlet.http.*;
023:        import javax.servlet.jsp.tagext.Tag;
024:
025:        import com.iplanet.jato.*;
026:        import com.iplanet.jato.model.*;
027:        import com.iplanet.jato.util.*;
028:        import com.iplanet.jato.view.*;
029:        import com.iplanet.jato.view.event.*;
030:        import com.iplanet.jato.view.html.*;
031:        import com.iplanet.jato.taglib.tree.html.TreeNodeHandleTag;
032:
033:        import com.sun.portal.search.util.SearchConfig;
034:        import com.sun.portal.search.rdm.RDMClassification;
035:        import com.sun.portal.search.rdm.RDMTaxonomy;
036:        import com.sun.portal.search.admin.model.TaxonomyTreeModel;
037:        import com.sun.portal.log.common.PortalLogger;
038:
039:        import com.iplanet.am.console.components.view.html.IPlanetButton;
040:
041:        /**
042:         *
043:         */
044:        public class TaxonomyBrowserTreeView extends
045:                RequestHandlingTreeViewBase {
046:            //////////////////////////////////////
047:            // Class variables
048:            //////////////////////////////////////
049:            // children handles
050:            public static final String CHILD_NAME = "name";
051:            public static final String CHILD_HREF = "Href1";
052:
053:            //miscelaneous
054:            public static final String NODE_ID = "nodeId";
055:
056:            //////////////////////////////////////
057:            // Instance variables
058:            //////////////////////////////////////
059:            public int currentPage = 1;
060:            public int nbPages = 1;
061:            public int nbDisplayable = -1;
062:            public int maxNbNodesDisplayed;
063:            public int displayableNodeCounter = 0;
064:            // index of the page to display
065:            private int displayedPage = -1;
066:            private int editedCategory = -1;
067:            private String editTimeStamp = null;
068:
069:            // Create a Logger for this class
070:            private static Logger debugLogger = PortalLogger
071:                    .getLogger(TaxonomyBrowserTreeView.class);
072:
073:            /** Creates new NTTView */
074:            public TaxonomyBrowserTreeView(View parent, String name)
075:                    throws ModelControlException {
076:                super (parent, name);
077:                try {
078:                    setPrimaryModel(getTaxonomyTreeModel());
079:                    registerChildren();
080:                } catch (Exception e) {
081:                    debugLogger.log(Level.INFO, "PSSH_CSPSA0010", e
082:                            .getMessage());
083:                    throw new ModelControlException(e.getMessage());
084:                }
085:            }
086:
087:            /**
088:             *
089:             *
090:             */
091:            protected void registerChildren() {
092:                try {
093:                    registerChild(CHILD_NAME, StaticTextField.class);
094:                    registerChild(CHILD_HREF, HREF.class);
095:                    // in case we use images link for the editing commandes
096:                } catch (Exception e) {
097:                    debugLogger.log(Level.INFO, "PSSH_CSPSA0010", e
098:                            .getMessage());
099:                }
100:            }
101:
102:            /**
103:             *
104:             *
105:             */
106:            protected View createChild(String name) {
107:                try {
108:                    View child = null;
109:                    // CHILD_NAME
110:                    if (name.equals(CHILD_NAME)) {
111:                        child = new StaticTextField(this ,
112:                                getTaxonomyTreeModel(), CHILD_NAME,
113:                                TaxonomyTreeModel.FIELD_NAME, "", null);
114:                        return child;
115:                    }
116:                    // CHILD_HREF
117:                    if (name.equals(CHILD_HREF)) {
118:                        // build the URL
119:                        child = new HREF(this , CHILD_HREF, "");
120:                        return child;
121:                    }
122:                    debugLogger.log(Level.INFO, "PSSH_CSPSA0002", name);
123:                    if (name != null) {
124:                        throw new IllegalArgumentException(
125:                                "Invalid child name [" + name + "]");
126:                    } else {
127:                        throw new IllegalArgumentException(
128:                                "Invalid child name [<NULL>]");
129:                    }
130:                } catch (Exception e) {
131:                    debugLogger.log(Level.INFO, "PSSH_CSPSA0010", e
132:                            .getMessage());
133:                    if (name != null) {
134:                        throw new IllegalArgumentException(
135:                                "Invalid child name [" + name + "]");
136:                    } else {
137:                        throw new IllegalArgumentException(
138:                                "Invalid child name [<NULL>]");
139:                    }
140:                }
141:            }
142:
143:            /*
144:             *
145:             */
146:            public boolean beginDisplayedNodeDisplay(ChildDisplayEvent event) {
147:                // increase the number of node Displayed.
148:                displayableNodeCounter++;
149:
150:                if (maxNbNodesDisplayed != -1) {
151:                    //if node in the page range display it
152:                    if ((displayableNodeCounter >= currentPage)
153:                            && (displayableNodeCounter < currentPage
154:                                    + maxNbNodesDisplayed)) {
155:                        return true;
156:                    } else {
157:                        return false;
158:                    }
159:                } else {
160:                    return true;
161:                }
162:            }
163:
164:            /**
165:             *
166:             *
167:             */
168:            public void beginDisplay(DisplayEvent event) {
169:                try {
170:                    super .beginDisplay(event);
171:                    ViewBean pvb = getParentViewBean();
172:                    String editTimeStamp = (String) pvb
173:                            .getPageSessionAttribute("editTimeStamp");
174:                    if (editTimeStamp == null) {
175:                        editTimeStamp = getRequestContext().getRequest()
176:                                .getParameter("editTimeStamp");
177:                        if (editTimeStamp != null) {
178:                            pvb.setPageSessionAttribute("editTimeStamp",
179:                                    editTimeStamp);
180:                        }
181:                    }
182:                } catch (ModelControlException e) {
183:                }
184:                TaxonomyBrowserView pv = (TaxonomyBrowserView) getParent();
185:                ViewBean pvb = getParentViewBean();
186:                nbPages = pv.nbPages;
187:                maxNbNodesDisplayed = pv.maxNbNodesDisplayed;
188:                currentPage = pv.currentPage;
189:            }
190:
191:            /*
192:             * returns true if current node is root
193:             */
194:            public boolean beginIsRootNodeDisplay(ChildDisplayEvent event) {
195:                boolean b = false;
196:                try {
197:                    RDMClassification currentNode = (RDMClassification) getTaxonomyTreeModel()
198:                            .getCurrentNode();
199:                    if (currentNode.getParentId() == null) {
200:                        b = true;
201:                    } else {
202:                        b = false;
203:                    }
204:                    return b;
205:                } catch (Exception e) {
206:                    debugLogger.log(Level.INFO, "PSSH_CSPSA0010", e
207:                            .getMessage());
208:                    return b;
209:                }
210:            }
211:
212:            /*
213:             * returns false if current node is NOT root
214:             */
215:            public boolean beginIsNotRootNodeDisplay(ChildDisplayEvent event) {
216:                boolean b = !beginIsRootNodeDisplay(event);
217:                return b;
218:            }
219:
220:            /**
221:             *
222:             */
223:            public boolean beginHrefDisplay(ChildDisplayEvent event, HREF href,
224:                    String action) {
225:                try {
226:                    RDMClassification currentNode = (RDMClassification) getTaxonomyTreeModel()
227:                            .getCurrentNode();
228:                    href.setValue(String.valueOf(displayableNodeCounter));
229:                    return true;
230:                } catch (Exception e) {
231:                    debugLogger.log(Level.INFO, "PSSH_CSPSA0066", new String[] {
232:                            event.toString(), href.toString(), action,
233:                            e.getMessage() });
234:                    return false;
235:                }
236:            }
237:
238:            /**
239:             *
240:             */
241:            public boolean beginHref1Display(ChildDisplayEvent event) {
242:                try {
243:                    return beginHrefDisplay(event,
244:                            (HREF) getDisplayField(CHILD_HREF),
245:                            NTEViewBean.TAX_ACTION_EDIT);
246:                } catch (Exception e) {
247:                    debugLogger.log(Level.INFO, "PSSH_CSPSA0061", new String[] {
248:                            event.toString(), e.getMessage() });
249:                    return false;
250:                }
251:            }
252:
253:            /*
254:             *
255:             */
256:            public TaxonomyTreeModel getTaxonomyTreeModel() {
257:                try {
258:                    CSViewBeanBase pvb = (CSViewBeanBase) getParentViewBean();
259:                    ServletContext sc = getRequestContext().getServletContext();
260:                    Locale locale = pvb.getUserLocale();
261:                    // adding locale as part of attribute key, so user with same locale shares the same model */
262:                    TaxonomyTreeModel model = (TaxonomyTreeModel) sc
263:                            .getAttribute(TaxonomyTreeModel.MODEL_NAME + "."
264:                                    + locale.toString());
265:                    if (model == null) {
266:                        // instanciate the model and put it in the Servlet Context
267:                        model = new TaxonomyTreeModel();
268:                        model.userLocale = locale;
269:                        sc.setAttribute(TaxonomyTreeModel.MODEL_NAME + "."
270:                                + locale.toString(), model);
271:                    }
272:                    return model;
273:                } catch (Exception e) {
274:                    debugLogger.log(Level.INFO, "PSSH_CSPSA0010", e
275:                            .getMessage());
276:                    return null;
277:                }
278:            }
279:
280:            // Event handling methods
281:            //////////////////////////////////////
282:
283:            /**
284:             *
285:             */
286:            public void handleHref1Request(RequestInvocationEvent event)
287:                    throws ModelControlException {
288:                debugLogger.finer("PSSH_CSPSA0117");
289:                int i;
290:                int nodeIndex = getDisplayFieldIntValue(CHILD_HREF);
291:                ViewBean pvb = getParentViewBean();
292:                String taxName = getTaxByIndex(nodeIndex);
293:                debugLogger.log(Level.FINER, "PSSH_CSPSA0118", taxName);
294:                String editTimeStamp = (String) pvb
295:                        .getPageSessionAttribute("editTimeStamp");
296:                debugLogger.log(Level.FINER, "PSSH_CSPSA0089", editTimeStamp);
297:
298:                if (taxName != null
299:                        && !taxName.equals(RDMTaxonomy.RDM_TAXONOMY_ROOT)) {
300:                    Object selTaxObj = pvb
301:                            .getRequestContext()
302:                            .getRequest()
303:                            .getSession()
304:                            .getAttribute(
305:                                    TaxonomyBrowserView.SESION_ATTR_SELECTED_TAX
306:                                            + editTimeStamp);
307:                    if (selTaxObj != null) {
308:                        debugLogger.finer("PSSH_CSPSA0119");
309:                        //check multiple selection enabled
310:                        if (selTaxObj.getClass().isArray()) {
311:                            debugLogger.finer("PSSH_CSPSA0120");
312:                            String[] selTax = (String[]) selTaxObj;
313:                            String[] newSelTax = new String[selTax.length + 1];
314:                            for (i = 0; i < selTax.length; i++) {
315:                                newSelTax[i] = selTax[i];
316:                            }
317:                            newSelTax[i] = taxName;
318:                            pvb
319:                                    .getRequestContext()
320:                                    .getRequest()
321:                                    .getSession()
322:                                    .setAttribute(
323:                                            TaxonomyBrowserView.SESION_ATTR_SELECTED_TAX
324:                                                    + editTimeStamp, newSelTax);
325:                        } else {
326:                            debugLogger.log(Level.FINER, "PSSH_CSPSA0121",
327:                                    taxName);
328:                            pvb
329:                                    .getRequestContext()
330:                                    .getRequest()
331:                                    .getSession()
332:                                    .setAttribute(
333:                                            TaxonomyBrowserView.SESION_ATTR_SELECTED_TAX
334:                                                    + editTimeStamp, taxName);
335:                        }
336:                    } else {
337:                        debugLogger.finer("PSSH_CSPSA0122");
338:                    }
339:                }
340:                pvb.forwardTo(getRequestContext());
341:            }
342:
343:            /*
344:             * The index start with 1 no 0
345:             */
346:            public String getTaxByIndex(int index) {
347:                try {
348:                    int i;
349:                    resetNodeLocation();
350:                    for (i = 1; nextNode() && i < index; i++)
351:                        ;
352:                    if (i == index) {
353:                        RDMClassification node = (RDMClassification) ((TaxonomyTreeModel) getPrimaryModel())
354:                                .getCurrentNode();
355:                        return node.getId();
356:                    }
357:                } catch (Exception e) {
358:                }
359:                return null;
360:            }
361:
362:            public int getIndexByTax(String taxName) {
363:                try {
364:                    int i;
365:                    debugLogger.log(Level.FINER, "PSSH_CSPSA0123", taxName);
366:                    resetNodeLocation();
367:                    for (i = 1; nextNode(); i++) {
368:                        RDMClassification node = (RDMClassification) ((TaxonomyTreeModel) getPrimaryModel())
369:                                .getCurrentNode();
370:                        if (taxName.equals(node.getId())) {
371:                            debugLogger.log(Level.FINER, "PSSH_CSPSA0124",
372:                                    Integer.toString(i));
373:                            return i;
374:                        }
375:                    }
376:                } catch (Exception e) {
377:                }
378:                return -1;
379:            }
380:
381:            /*
382:             * count number of node in current three shape.
383:             * also add first node name for every page into given ArrayList
384:             * by giving number of nodes per page.
385:             */
386:            public int getNbDisplay(int numPerPage, ArrayList pageNodeList) {
387:                int numNode = 0;
388:                int numPage = 1;
389:                try {
390:                    resetNodeLocation();
391:                    int currPageNodeCount = 0;
392:                    pageNodeList.clear();
393:                    while (nextNode()) {
394:                        numNode++;
395:                        if (currPageNodeCount == 0) {
396:                            RDMClassification node = (RDMClassification) ((TaxonomyTreeModel) getPrimaryModel())
397:                                    .getCurrentNode();
398:                            if (node.getParent() != null) {
399:                                pageNodeList.add(node.getParentId() + ":"
400:                                        + node.getId());
401:                            } else {
402:                                pageNodeList.add(getTaxonomyTreeModel()
403:                                        .getNodeName(
404:                                                RDMTaxonomy.RDM_TAXONOMY_ROOT));
405:                            }
406:                        }
407:                        currPageNodeCount = ++currPageNodeCount % numPerPage;
408:                    }
409:                    debugLogger.log(Level.FINER, "PSSH_CSPSA0125", Integer
410:                            .toString(numNode));
411:                } catch (Exception e) {
412:                }
413:                return numNode;
414:            }
415:
416:            public void expandAll() {
417:                try {
418:                    resetNodeLocation();
419:                    while (nextNode()) {
420:                        if (isParentNode() && !isNodeExpanded()) {
421:                            getStateData().setNodeExpanded(
422:                                    getPrimaryModel().getNodeID(), true);
423:                        }
424:                    }
425:                } catch (Exception e) {
426:                }
427:            }
428:
429:            public void collapseAll() {
430:                try {
431:                    resetNodeLocation();
432:                    while (nextNode()) {
433:                        if (isParentNode() && isNodeExpanded()) {
434:                            getStateData().setNodeExpanded(
435:                                    getPrimaryModel().getNodeID(), false);
436:                        }
437:                    }
438:                } catch (Exception e) {
439:                }
440:            }
441:
442:        }
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