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1   package org.kuali.student.lum.lu.ui.dependency.client.views;
2   
3   
4   import java.util.ArrayList;
5   import java.util.Arrays;
6   import java.util.HashMap;
7   import java.util.HashSet;
8   import java.util.List;
9   import java.util.Map;
10  import java.util.Set;
11  
12  import org.kuali.student.common.assembly.data.LookupMetadata;
13  import org.kuali.student.common.assembly.data.Metadata;
14  import org.kuali.student.common.assembly.data.ModelDefinition;
15  import org.kuali.student.common.search.dto.SearchParam;
16  import org.kuali.student.common.search.dto.SearchRequest;
17  import org.kuali.student.common.search.dto.SearchResult;
18  import org.kuali.student.common.search.dto.SearchResultCell;
19  import org.kuali.student.common.search.dto.SearchResultRow;
20  import org.kuali.student.common.ui.client.application.KSAsyncCallback;
21  import org.kuali.student.common.ui.client.mvc.Callback;
22  import org.kuali.student.common.ui.client.mvc.Controller;
23  import org.kuali.student.common.ui.client.mvc.DataModelDefinition;
24  import org.kuali.student.common.ui.client.mvc.ViewComposite;
25  import org.kuali.student.common.ui.client.service.MetadataRpcService;
26  import org.kuali.student.common.ui.client.service.MetadataRpcServiceAsync;
27  import org.kuali.student.common.ui.client.service.SearchRpcService;
28  import org.kuali.student.common.ui.client.service.SearchRpcServiceAsync;
29  import org.kuali.student.common.ui.client.util.UtilConstants;
30  import org.kuali.student.common.ui.client.widgets.HasWatermark;
31  import org.kuali.student.common.ui.client.widgets.KSButton;
32  import org.kuali.student.common.ui.client.widgets.KSLabel;
33  import org.kuali.student.common.ui.client.widgets.KSButtonAbstract.ButtonStyle;
34  import org.kuali.student.common.ui.client.widgets.field.layout.element.SpanPanel;
35  import org.kuali.student.common.ui.client.widgets.field.layout.layouts.VerticalFieldLayout;
36  import org.kuali.student.common.ui.client.widgets.filter.FilterEvent;
37  import org.kuali.student.common.ui.client.widgets.filter.FilterEventHandler;
38  import org.kuali.student.common.ui.client.widgets.filter.FilterResetEventHandler;
39  import org.kuali.student.common.ui.client.widgets.filter.KSFilterOptions;
40  import org.kuali.student.common.ui.client.widgets.headers.KSDocumentHeader;
41  import org.kuali.student.common.ui.client.widgets.layout.HorizontalBlockFlowPanel;
42  import org.kuali.student.common.ui.client.widgets.layout.VerticalFlowPanel;
43  import org.kuali.student.common.ui.client.widgets.progress.BlockingTask;
44  import org.kuali.student.common.ui.client.widgets.progress.KSBlockingProgressIndicator;
45  import org.kuali.student.common.ui.client.widgets.search.CollapsablePanel;
46  import org.kuali.student.common.ui.client.widgets.search.KSPicker;
47  import org.kuali.student.common.ui.client.widgets.suggestbox.KSSuggestBox;
48  import org.kuali.student.common.ui.client.widgets.suggestbox.IdableSuggestOracle.IdableSuggestion;
49  import org.kuali.student.core.statement.dto.ReqCompFieldInfo;
50  import org.kuali.student.core.statement.dto.ReqComponentInfo;
51  import org.kuali.student.core.statement.dto.StatementTreeViewInfo;
52  import org.kuali.student.core.statement.ui.client.widgets.rules.RulePreviewWidget;
53  import org.kuali.student.core.statement.ui.client.widgets.rules.RulesUtil;
54  import org.kuali.student.lum.common.client.lu.LUUIConstants;
55  import org.kuali.student.lum.common.client.widgets.AppLocations;
56  import org.kuali.student.lum.common.client.widgets.CluSetDetailsWidget;
57  import org.kuali.student.lum.common.client.widgets.CluSetRetriever;
58  import org.kuali.student.lum.common.client.widgets.CluSetRetrieverImpl;
59  import org.kuali.student.lum.lu.ui.dependency.client.controllers.DependencyAnalysisController;
60  import org.kuali.student.lum.lu.ui.dependency.client.controllers.DependencyAnalysisController.DependencyViews;
61  import org.kuali.student.lum.lu.ui.dependency.client.service.DependencyAnalysisRpcService;
62  import org.kuali.student.lum.lu.ui.dependency.client.service.DependencyAnalysisRpcServiceAsync;
63  import org.kuali.student.lum.lu.ui.dependency.client.widgets.DependencyResultPanel;
64  import org.kuali.student.lum.lu.ui.dependency.client.widgets.DependencyResultPanel.DependencyTypeSection;
65  import org.kuali.student.lum.lu.ui.tools.client.configuration.ClusetView.Picker;
66  import org.kuali.student.lum.program.dto.ProgramRequirementInfo;
67  
68  import com.google.gwt.core.client.GWT;
69  import com.google.gwt.event.dom.client.ClickEvent;
70  import com.google.gwt.event.dom.client.ClickHandler;
71  import com.google.gwt.user.client.Window;
72  import com.google.gwt.user.client.ui.Anchor;
73  import com.google.gwt.user.client.ui.FlowPanel;
74  import com.google.gwt.user.client.ui.HTMLPanel;
75  import com.google.gwt.user.client.ui.HorizontalPanel;
76  import com.google.gwt.user.client.ui.Widget;
77  
78  public class DependencyAnalysisView extends ViewComposite{
79         
80  	private static CluSetRetriever cluSetRetriever = new CluSetRetrieverImpl();
81  	
82      protected final BlockingTask initializingTask = new BlockingTask("Loading");
83      
84      protected DependencyAnalysisRpcServiceAsync depRpcServiceAsync = GWT.create(DependencyAnalysisRpcService.class);
85      protected MetadataRpcServiceAsync metadataServiceAsync = GWT.create(MetadataRpcService.class);
86      protected SearchRpcServiceAsync searchServiceAsync = GWT.create(SearchRpcService.class);
87  
88  	private ModelDefinition searchDefinition;
89  	private VerticalFieldLayout container = new VerticalFieldLayout();
90  	protected boolean initialized = false;
91  	
92  	protected String selectedCourseId;
93  	protected String selectedCourseCd;
94  	protected String selectedCourseName;
95  	
96  	protected DependencyResultPanel depResultPanel;
97  	protected KSFilterOptions dependencyFilter;
98  	protected HorizontalBlockFlowPanel resultContainer = new HorizontalBlockFlowPanel();
99  	
100 	private final BlockingTask loadDataTask = new BlockingTask("Retrieving Data");
101 	
102 	private KSDocumentHeader header;
103 		
104 	public DependencyAnalysisView(Controller controller) {
105 		super(controller, "Dependency Analysis", DependencyViews.MAIN);
106         this.initWidget(container);
107         this.addStyleName("blockLayout");
108         this.addStyleName("ks-dependency-container");
109 	}
110 	
111 	@Override
112 	public void beforeShow(final Callback<Boolean> onReadyCallback) {
113         if (!initialized) {
114     		KSBlockingProgressIndicator.addTask(initializingTask);
115 
116     		//This loads search definitions for the dependency analysis search 
117             metadataServiceAsync.getMetadata("dependency", null, null, new KSAsyncCallback<Metadata>(){
118 
119                 @Override
120                 public void handleFailure(Throwable caught) {
121                     KSBlockingProgressIndicator.removeTask(initializingTask);
122                     throw new RuntimeException("Failed to load search definitions.", caught);                        
123                 }
124 
125                 @Override
126                 public void onSuccess(Metadata result) {
127                 	searchDefinition = new DataModelDefinition(result);
128                 	init();
129                 	onReadyCallback.exec(true);                	
130                     initialized = true;
131                     KSBlockingProgressIndicator.removeTask(initializingTask);
132                 }                
133             });	        
134         } else {
135         	onReadyCallback.exec(true);
136         }
137 	}
138 
139 	protected void init(){		
140 		this.header = new KSDocumentHeader();
141 		
142         header.setTitle("Dependency Analysis");        
143 
144         //Get search definition for dependency analysis trigger search and create trigger picker          
145 		Metadata metaData = searchDefinition.getMetadata("courseId");
146 		final KSPicker triggerPicker = new Picker(metaData.getInitialLookup(), metaData.getAdditionalLookups());
147         ((HasWatermark)triggerPicker.getInputWidget()).setWatermarkText("Enter course code");		
148 
149         //Setup the "go" button for trigger picker
150         KSButton goButton = new KSButton("Go", ButtonStyle.PRIMARY_SMALL);
151 		goButton.addClickHandler(new ClickHandler(){
152 
153 			@Override
154 			public void onClick(ClickEvent event) {				
155                 selectedCourseId = triggerPicker.getValue().toString();
156                 KSSuggestBox suggestBox = (KSSuggestBox)triggerPicker.getInputWidget();
157                 IdableSuggestion selectedSuggestion = suggestBox.getCurrentSuggestion();
158                 
159                 // We need to make sure we only search for courses that have been selected from the suggest box
160                 if(selectedSuggestion != null && selectedSuggestion.getReplacementString().equalsIgnoreCase(suggestBox.getText())){
161 	                selectedCourseName = selectedSuggestion.getAttrMap().get("lu.resultColumn.luOptionalLongName");
162 	                if (!selectedCourseId.equals(UtilConstants.IMPOSSIBLE_CHARACTERS)){
163 	    				KSBlockingProgressIndicator.addTask(loadDataTask);
164 	                	selectedCourseCd = triggerPicker.getDisplayValue();                
165 		                if (depResultPanel != null){
166 		                	resultContainer.remove(depResultPanel);
167 		                }
168 		                depResultPanel = new DependencyResultPanel();
169 		                depResultPanel.setHeaderTitle(selectedCourseCd + " - " + selectedCourseName);		
170 		                resultContainer.add(depResultPanel);
171 		                resultContainer.setVisible(true);
172 		                updateDependencyResults();
173 		                
174 		                ((DependencyAnalysisController) DependencyAnalysisView.this.getController()).showExport(isExportButtonActive());
175 		                header.showPrint(true);
176 		                header.setPrintContent(depResultPanel); // we only want to print the results panel
177 	                }
178 	                
179                 }
180 			}
181 			
182 		});
183 
184 		
185         //Create search section with the trigger picker and go button
186 		HorizontalPanel pickerPanel = new HorizontalPanel();
187 		pickerPanel.add(triggerPicker);
188 		pickerPanel.add(goButton);
189         
190 		FlowPanel searchPanel = new FlowPanel();
191 		searchPanel.addStyleName("ks-dependency-search");
192 		searchPanel.add(new KSLabel("Search for item to view its dependencies"));
193 		searchPanel.add(pickerPanel);		
194 		
195 		//Add widgets to view
196 		container.setTitleWidget(header);
197 		container.addStyleName("blockLayout");
198         container.addWidget(searchPanel);
199         
200         List<LookupMetadata> lookups = new ArrayList<LookupMetadata>();
201         metaData = searchDefinition.getMetadata("filter");
202         lookups.add(metaData.getInitialLookup());
203         
204         dependencyFilter = new KSFilterOptions(metaData.getAdditionalLookups());
205         dependencyFilter.addFilterEventHandler(new FilterEventHandler(){
206 
207 			@Override
208 			public void onDeselect(FilterEvent e) {
209 				depResultPanel.hide(e.getFilterKey(), e.getFilterValue());
210 			}
211 
212 			@Override
213 			public void onSelect(FilterEvent e) {
214 				if (e.isInitialSelect()){
215 					depResultPanel.hideAll();
216 				}
217 				depResultPanel.show(e.getFilterKey(), e.getFilterValue());			
218 			}
219         	
220         });
221         
222         dependencyFilter.addFilterResetEventHandler(new FilterResetEventHandler(){
223 
224 			@Override
225 			public void onReset() {
226 				depResultPanel.showAll();				
227 			}        	
228         });
229         
230         resultContainer.add(dependencyFilter);
231         resultContainer.setVisible(false);
232         
233         container.addWidget(resultContainer);
234 	}
235 
236 	/*
237 	 * This method calls the dependency analysis search with the selected trigger from the picker,
238 	 * and updates the DependencyResultPanel with the results from the search. 
239 	 */
240 	protected void updateDependencyResults(){
241 		//Setup up sections for DependencyResultPanel		
242 		depResultPanel.addSection(LUUIConstants.DEP_SECTION_COURSE,"Course Dependencies");		
243 		depResultPanel.addSection(LUUIConstants.DEP_SECTION_PROGRAM,"Program Dependencies");
244 		depResultPanel.addSection(LUUIConstants.DEP_SECTION_COURSE_SET, "Course Set Inclusions");		
245 			
246 		dependencyFilter.reset();
247 		
248 		//Setup and invoke the dependency analysis search and process the results
249 		SearchRequest searchRequest = new SearchRequest();
250 		searchRequest.setSearchKey("lu.search.dependencyAnalysis");
251 		
252 		SearchParam searchParam = new SearchParam();
253 		searchParam.setKey("lu.queryParam.luOptionalCluId");
254 		searchParam.setValue(selectedCourseId);				
255 		searchRequest.getParams().add(searchParam);
256 				
257 		searchServiceAsync.search(searchRequest, new KSAsyncCallback<SearchResult>(){
258 
259 			@Override
260 			public void onSuccess(SearchResult searchResults) {				
261 				for (SearchResultRow searchResultRow : searchResults.getRows ()) {
262 					
263 					//TODO: This should not use hard-coded result columns 
264 					String cluCode = "";
265 					String cluName = "";
266 					String cluType = "";
267 					String dependencyType = "";
268 					String dependencyTypeName = "";
269 					String reqComponentIds = "";
270 					String reqRootId = "";
271 					String cluId = "";
272 					String curriculumOversightNames = "";
273 					String dependencySectionKey = "";
274 					Boolean diffAdminOrg = false;
275 					String parentCluId = "";
276 					
277 					for (SearchResultCell searchResultCell : searchResultRow.getCells ()){
278 						if (searchResultCell.getKey().equals ("lu.resultColumn.luOptionalCode")) {
279 							cluCode = searchResultCell.getValue();	
280 						} if (searchResultCell.getKey().equals ("lu.resultColumn.cluId")) {
281 							cluId = searchResultCell.getValue();
282 						} else if (searchResultCell.getKey().equals("lu.resultColumn.luOptionalLongName")){
283 							cluName = searchResultCell.getValue();
284 						} else if (searchResultCell.getKey().equals("lu.resultColumn.cluType")){
285 							cluType = searchResultCell.getValue();
286 							if (cluType.equals(LUUIConstants.CLU_TYPE_CREDIT_COURSE)){
287 								dependencySectionKey = LUUIConstants.DEP_SECTION_COURSE;
288 							} else if (cluType != null){
289 								dependencySectionKey = LUUIConstants.DEP_SECTION_PROGRAM;
290 							}
291 						} else if (searchResultCell.getKey().equals("lu.resultColumn.luOptionalDependencyType")){
292 							dependencyType = searchResultCell.getValue();
293 							if (dependencyType.equals("cluSet")){
294 								dependencySectionKey = LUUIConstants.DEP_SECTION_COURSE_SET;
295 							} else if (LUUIConstants.DEP_TYPE_JOINT.equals(dependencyType) || 
296 										LUUIConstants.DEP_TYPE_CROSS_LISTED.equals(dependencyType)){
297 								dependencySectionKey = LUUIConstants.DEP_SECTION_COURSE;;
298 							}
299 						} else if (searchResultCell.getKey().equals("lu.resultColumn.luOptionalDependencyTypeName")){
300 							dependencyTypeName = searchResultCell.getValue();
301 						} else if (searchResultCell.getKey().equals("lu.resultColumn.luOptionalDependencyRequirementComponentIds")){
302 							reqComponentIds = searchResultCell.getValue();
303 						} else if (searchResultCell.getKey().equals("lu.resultColumn.luOptionalDependencyRootId")){
304 							reqRootId = searchResultCell.getValue();
305 						} else if (searchResultCell.getKey().equals("lu.resultColumn.luOptionalOversightCommitteeNames")){
306 							curriculumOversightNames = searchResultCell.getValue();
307 						} else if (searchResultCell.getKey().equals("lu.resultColumn.luOptionalDependencyRequirementDifferentAdminOrg")){
308 							diffAdminOrg = ("true").equals(searchResultCell.getValue());
309 						} else if (searchResultCell.getKey().equals("lu.resultColumn.parentCluId")){
310 							parentCluId = searchResultCell.getValue();
311 						}
312 						
313 							
314 					}
315 					
316 					//Get the dependency type section to add the dependency to, create new one if this is the first dependency for the t
317 					DependencyTypeSection typeSection = depResultPanel.getDependencyTypeSection(dependencySectionKey, dependencyType);
318 					if (typeSection == null){						
319 						typeSection = depResultPanel.addDependencyTypeSection(dependencySectionKey, dependencyType, getDependencyTypeLabel(dependencySectionKey, dependencyType, dependencyTypeName));
320 					}
321 					
322 					//If dependency has details, create the details widget
323 					VerticalFieldLayout depDetails = null;
324 					if (hasDependencyDetails(dependencyType)){
325 						depDetails = getDependencyDetails(dependencySectionKey, dependencyType, cluCode, reqRootId, reqComponentIds);
326 						KSLabel curricOversightLabel = new KSLabel("Curriculum Oversight: " + curriculumOversightNames);
327 						curricOversightLabel.addStyleName("ks-dependency-oversight");
328 						depDetails.addWidget(curricOversightLabel);
329 					}
330 
331 					//Add the dependency to the dependency section
332 					typeSection.addDependencyItem(getDependencyLabel(dependencySectionKey, dependencyType, cluId, cluCode, cluName, cluType, diffAdminOrg, parentCluId), depDetails);
333 				}
334 				
335 				depResultPanel.finishLoad();
336 				KSBlockingProgressIndicator.removeTask(loadDataTask);
337 			}
338 			
339 		});
340 	}
341 	
342 
343 	private VerticalFieldLayout getDependencyDetails(String dependencySectionKey, String dependencyType, final String cluCode, final String rootId, String reqComponentIds){
344 		VerticalFieldLayout depDetails = new VerticalFieldLayout();
345 		depDetails.addStyleName("KS-Dependency-Details");
346 		if (reqComponentIds != null && !reqComponentIds.isEmpty()){
347 			List<String> reqComponentIdList = Arrays.asList(reqComponentIds.split(","));
348 
349 			final VerticalFlowPanel simpleRequirement = new VerticalFlowPanel();			
350 			simpleRequirement.addStyleName("KS-Dependency-Simple-Rule");
351 			
352 			//For programs, add ability to display both the simple requirement and complex requirement for the details
353 			if (LUUIConstants.DEP_SECTION_PROGRAM.equals(dependencySectionKey)){
354 				final KSButton complexReqLabel = new KSButton("Display complex requirement", ButtonStyle.DEFAULT_ANCHOR);
355 				final KSButton simpleReqLabel = new KSButton("Display simple requirement", ButtonStyle.DEFAULT_ANCHOR);
356 				
357 				//Initialize the complex requirement panel, set it so it is not initially open (ie. not visible)
358 				final FlowPanel complexContent = new FlowPanel();
359 				final CollapsablePanel complexRequirement = new CollapsablePanel("", complexContent, false, false);				
360 				
361 				complexContent.addStyleName("KS-Dependency-Complex-Rule");
362 				depDetails.addWidget(simpleRequirement);
363 				depDetails.addWidget(complexRequirement);
364 				depDetails.addWidget(complexReqLabel);
365 				depDetails.addWidget(simpleReqLabel);
366 				
367 				simpleReqLabel.setVisible(false);
368 				
369 				//Click handler to display the complex requirement, which will go and fetch the requirement components
370 				//if displaying for first time.
371 				complexReqLabel.addClickHandler(new ClickHandler(){
372 					public void onClick(ClickEvent event) {
373 						simpleReqLabel.setVisible(true);
374 						simpleRequirement.setVisible(false);
375 						complexReqLabel.setVisible(false);
376 
377 						if (complexContent.getWidgetCount() <= 0){
378 							KSBlockingProgressIndicator.addTask(loadDataTask);
379 							//TODO: This code copied from program screens, need common reusable code
380 							depRpcServiceAsync.getProgramRequirement(rootId, new KSAsyncCallback<ProgramRequirementInfo>(){
381 								public void onSuccess(ProgramRequirementInfo progReqInfo) {															
382 							        int minCredits = (progReqInfo.getMinCredits() == null ? 0 : progReqInfo.getMinCredits());
383 							        int maxCredits = (progReqInfo.getMaxCredits() == null ? 0 : progReqInfo.getMaxCredits());
384 							        String plainDesc = (progReqInfo.getDescr() == null ? "" : progReqInfo.getDescr().getPlain());
385 							        final RulePreviewWidget rulePreviewWidget = new RulePreviewWidget(1, progReqInfo.getShortTitle(),
386 							                getTotalCreditsString(minCredits, maxCredits),
387 							                plainDesc, progReqInfo.getStatement(),
388 							                true, getCluSetWidgetList(progReqInfo.getStatement()));
389 							        complexContent.add(rulePreviewWidget);
390 							        KSBlockingProgressIndicator.removeTask(loadDataTask);
391 									complexRequirement.open();
392 								}							
393 							});
394 						} else {
395 							complexRequirement.open();
396 						}
397 					}					
398 				});
399 				
400 				//Click handler to display the simple requirement only
401 				simpleReqLabel.addClickHandler(new ClickHandler(){
402 					public void onClick(ClickEvent event) {
403 						complexReqLabel.setVisible(true);						
404 						complexRequirement.close();
405 						simpleRequirement.setVisible(true);
406 						simpleReqLabel.setVisible(false);						
407 					}
408 				});
409 			} else {
410 				depDetails.addWidget(simpleRequirement);
411 			}
412 			
413 			depRpcServiceAsync.getRequirementComponentNL(reqComponentIdList, new KSAsyncCallback<List<String>>(){
414 				public void onSuccess(List<String> results) {
415 					for (String reqCompNL:results){
416 						int codeIdx = reqCompNL.indexOf(selectedCourseCd);
417 						SpanPanel requirement = new SpanPanel();
418 						requirement.setHTML(reqCompNL.substring(0,codeIdx) + 
419 								" <b>" + selectedCourseCd + "</b>" + reqCompNL.substring(codeIdx + selectedCourseCd.length()));
420 						simpleRequirement.add(requirement);
421 					}								
422 				}							
423 			});
424 		}
425 
426 		return depDetails;
427 	}
428 	
429 	//This generates the label for the dependency type section (eg. Pre-req requirement, course set inclusion, etc).
430 	private SpanPanel getDependencyTypeLabel(String dependencySectionKey, String dependencyType, String dependencyTypeName) {
431 		SpanPanel header = new SpanPanel();
432 		if (dependencyType.equals("joint") || dependencyType.equals("crossListed")){
433 			header.setHTML("<b>" + selectedCourseCd + "</b> is <b>" + dependencyTypeName + "</b> with the following ");
434 		} else if (dependencySectionKey.equals("course sets")){
435 			header.setHTML("<b>" + selectedCourseCd + "</b> belongs to the following course sets");
436 		} else {
437 			header.setHTML("<b>" + selectedCourseCd + "</b> is a/an <b>" + dependencyTypeName + "</b> for the following " + dependencySectionKey);			
438 		}
439     	header.setStyleName("KS-DependencyType-Label");
440 		return header;
441 	}
442 	
443 	/*
444 	 * This generates the title for the actual dependency (eg. course, course set, program), which may include links to 
445 	 * view the actual course, course set or program
446 	 */
447 	private SpanPanel getDependencyLabel(final String dependencySectionKey, String dependencyType, final String cluId,  String cluCode, String cluName, final String cluType, boolean diffAdminOrg, final String parentCluId){
448 		
449 		//Figure out the view hyperlink for course/program/course set screen based on dependencyType
450 		Anchor viewLinkAnchor = null;
451 		final String viewLinkUrl;
452 		if (LUUIConstants.CLU_TYPE_CREDIT_COURSE.equals(cluType) && 
453 				!LUUIConstants.DEP_TYPE_CROSS_LISTED.equals(dependencyType)){
454 			viewLinkAnchor = new Anchor("View Course");
455 			viewLinkUrl = AppLocations.Locations.VIEW_COURSE.toString(); 
456 		} else if ("kuali.lu.type.MajorDiscipline".equals(cluType) || "kuali.lu.type.Variation".equals(cluType)){
457 			viewLinkAnchor = new Anchor("View Program ");
458 			viewLinkUrl = AppLocations.Locations.VIEW_PROGRAM.toString(); 
459 		} else if ("kuali.lu.type.CoreProgram".equals(cluType)){
460 			viewLinkAnchor = new Anchor("View Program ");
461 			viewLinkUrl = AppLocations.Locations.VIEW_CORE_PROGRAM.toString(); 
462 		} else if (cluType.startsWith("kuali.lu.type.credential")){
463 			viewLinkAnchor = new Anchor("View Program ");
464 			viewLinkUrl = AppLocations.Locations.VIEW_BACC_PROGRAM.toString(); 
465 		} else if (LUUIConstants.DEP_TYPE_COURSE_SET.equals(dependencyType)){
466 			viewLinkAnchor = new Anchor("View Course Set");
467 			viewLinkUrl = AppLocations.Locations.VIEW_CLU_SET.toString();
468 		} else {
469 			viewLinkUrl = null;
470 		}
471 		
472 		//Add click handler to open new window for user to view the course/program/cluset in more detail
473 		if (viewLinkAnchor != null){
474 	    	viewLinkAnchor.addStyleName("KS-Dependency-View-Link");
475 	        viewLinkAnchor.addClickHandler(new ClickHandler(){
476 	
477 				@Override
478 				public void onClick(ClickEvent event) {
479 					String url =  "http://" + Window.Location.getHost() + Window.Location.getPath() +
480 						"?view=" + viewLinkUrl;
481 					if("kuali.lu.type.Variation".equals(cluType)){
482 						url += "&docId=" + parentCluId + "&variationId=" + cluId;
483 					}else {
484 						url += "&docId=" + cluId;
485 					}
486 					String features = "height=600,width=960,dependent=0,directories=1," +
487 							"fullscreen=1,location=1,menubar=1,resizable=1,scrollbars=1,status=1,toolbar=1";
488 					Window.open(url, HTMLPanel.createUniqueId(), features);				
489 				}
490 			});
491 		}		
492 			
493 		//Determine if we need to display differing org highlight
494 		String orgHighlight = (diffAdminOrg ? " <span class=\"ks-dependency-highlight\">Different Org</span> ":"");
495 		
496 		//Create dependency item header label
497 		String headerLabel = "";
498 		if (LUUIConstants.DEP_TYPE_CROSS_LISTED.equals(dependencyType)){
499 			headerLabel = cluCode + " - " + selectedCourseName + orgHighlight;
500 		} else if (LUUIConstants.DEP_TYPE_COURSE_SET.equals(dependencyType)){
501 			headerLabel = cluName;
502 		} else {
503 			headerLabel = cluCode + " - " + cluName + orgHighlight;
504 		}
505     	
506 		//Build header widget to return
507 		SpanPanel header = new SpanPanel();		
508 		header.setStyleName("KS-DependencyType-Label");	
509 		header.setHTML(headerLabel);
510 		if (viewLinkAnchor != null){
511 			header.add(viewLinkAnchor);
512 		}
513 		
514 		return header;		
515 	}
516 
517 	protected boolean hasDependencyDetails(String dependencyType){
518 		//Only course and programs have dependency details, since there could be multiple program types, easier to
519 		//check those that don't have details to show.
520 		return !(LUUIConstants.DEP_TYPE_JOINT.equals(dependencyType) || 
521 					LUUIConstants.DEP_TYPE_CROSS_LISTED.equals(dependencyType) || 
522 					LUUIConstants.DEP_TYPE_COURSE_SET.equals(dependencyType));
523 	}
524 	
525     private String getTotalCreditsString(int min, int max) {
526         return "Expected Total Credits:" + min + "-" + max;
527     }
528 
529     //TODO: This code copied from Program summary, need to create reusable version for this and program summary
530     protected Map<String, Widget> getCluSetWidgetList(StatementTreeViewInfo rule) {
531         Map<String, Widget> widgetList = new HashMap<String, Widget>();
532         Set<String> cluSetIds = new HashSet<String>();
533         findCluSetIds(rule, cluSetIds);
534         for (String clusetId : cluSetIds) {
535             widgetList.put(clusetId, new CluSetDetailsWidget(clusetId, cluSetRetriever));
536         }
537 
538         return widgetList;
539     }
540 
541     //TODO: This code copied from Program summary, need to create reusable version for this and program summary
542     private void findCluSetIds(StatementTreeViewInfo rule, Set<String> list) {
543 
544         List<StatementTreeViewInfo> statements = rule.getStatements();
545         List<ReqComponentInfo> reqComponentInfos = rule.getReqComponents();
546 
547         if ((statements != null) && (statements.size() > 0)) {
548             // retrieve all statements
549             for (StatementTreeViewInfo statement : statements) {
550                 findCluSetIds(statement, list); // inside set the children of this statementTreeViewInfo
551             }
552         } else if ((reqComponentInfos != null) && (reqComponentInfos.size() > 0)) {
553             // retrieve all req. component LEAFS
554             for (ReqComponentInfo reqComponent : reqComponentInfos) {
555                 List<ReqCompFieldInfo> fieldInfos = reqComponent.getReqCompFields();
556                 for (ReqCompFieldInfo fieldInfo : fieldInfos) {
557                     if (RulesUtil.isCluSetWidget(fieldInfo.getType())) {
558                         list.add(fieldInfo.getValue());
559                     }
560                 }
561             }
562         }
563     }
564 
565 	public KSDocumentHeader getHeader() {
566 		return header;
567 	}
568 
569 	@Override
570 	public boolean isExportButtonActive() {
571 		return true;
572 	}
573 
574 	public DependencyResultPanel getDepResultPanel() {
575 		return depResultPanel;
576 	}
577 
578 }