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package org.kuali.rice.krad.uif.history; |
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import java.io.Serializable; |
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import java.io.UnsupportedEncodingException; |
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import java.net.URLDecoder; |
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import java.net.URLEncoder; |
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import java.util.ArrayList; |
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import java.util.Enumeration; |
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import java.util.List; |
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import javax.servlet.http.HttpServletRequest; |
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import org.apache.commons.lang.StringUtils; |
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import org.apache.log4j.Logger; |
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import org.kuali.rice.krad.uif.UifConstants; |
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import org.kuali.rice.krad.uif.container.View; |
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import org.kuali.rice.krad.uif.util.ViewModelUtils; |
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import org.kuali.rice.krad.web.spring.form.UifFormBase; |
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public class History implements Serializable{ |
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private static final long serialVersionUID = -8279297694371557335L; |
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| 40 | 0 | public History() { |
| 41 | 0 | historyEntries = new ArrayList<HistoryEntry>(); |
| 42 | 0 | } |
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| 44 | 0 | private static final Logger LOG = Logger.getLogger(History.class); |
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public static final String ENTRY_TOKEN = "$"; |
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public static final String VAR_TOKEN = ","; |
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private List<HistoryEntry> homewardPath; |
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private List<HistoryEntry> historyEntries; |
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private boolean appendHomewardPath; |
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private boolean appendPassedHistory; |
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private HistoryEntry current; |
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public List<HistoryEntry> getHomewardPath() { |
| 59 | 0 | return this.homewardPath; |
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} |
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public void setHomewardPath(List<HistoryEntry> homewardPath) { |
| 67 | 0 | this.homewardPath = homewardPath; |
| 68 | 0 | } |
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public List<HistoryEntry> getHistoryEntries() { |
| 79 | 0 | return this.historyEntries; |
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} |
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public void setHistoryEntries(List<HistoryEntry> history) { |
| 88 | 0 | this.historyEntries = history; |
| 89 | 0 | } |
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public HistoryEntry getCurrent() { |
| 100 | 0 | return this.current; |
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} |
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private void setCurrent(String viewId, String pageId, String title, String url, String formKey) { |
| 108 | 0 | HistoryEntry entry = new HistoryEntry(viewId, pageId, title, url, formKey); |
| 109 | 0 | current = entry; |
| 110 | 0 | } |
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public void setCurrent(HistoryEntry current) { |
| 117 | 0 | this.current = current; |
| 118 | 0 | } |
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public void buildHistoryFromParameterString(String parameterString) { |
| 129 | 0 | if (StringUtils.isNotEmpty(parameterString)) { |
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try { |
| 131 | 0 | parameterString = URLDecoder.decode(parameterString, "UTF-8"); |
| 132 | 0 | } catch (UnsupportedEncodingException e) { |
| 133 | 0 | LOG.error("Error decoding history param", e); |
| 134 | 0 | } |
| 135 | 0 | historyEntries = new ArrayList<HistoryEntry>(); |
| 136 | 0 | if (appendPassedHistory) { |
| 137 | 0 | String[] historyTokens = parameterString.split("\\" + ENTRY_TOKEN); |
| 138 | 0 | for (String token : historyTokens) { |
| 139 | 0 | String[] params = token.split(VAR_TOKEN); |
| 140 | 0 | pushToHistory(params[0], params[1], params[2], params[3], params[4]); |
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} |
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} |
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} |
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| 145 | 0 | if (appendHomewardPath) { |
| 146 | 0 | historyEntries.addAll(homewardPath); |
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} |
| 148 | 0 | } |
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public String getHistoryParameterString() { |
| 158 | 0 | String historyString = ""; |
| 159 | 0 | for (HistoryEntry e : historyEntries) { |
| 160 | 0 | if (historyEntries.indexOf(e) == 0) { |
| 161 | 0 | historyString = historyString + e.toParam(); |
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} else { |
| 163 | 0 | historyString = historyString + ENTRY_TOKEN + e.toParam(); |
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} |
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} |
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| 167 | 0 | if (historyString.equals("")) { |
| 168 | 0 | historyString = historyString + current.toParam(); |
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} else { |
| 170 | 0 | historyString = historyString + ENTRY_TOKEN + current.toParam(); |
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} |
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try { |
| 173 | 0 | historyString = URLEncoder.encode(historyString, "UTF-8"); |
| 174 | 0 | } catch (Exception e) { |
| 175 | 0 | LOG.error("Error encoding history param", e); |
| 176 | 0 | } |
| 177 | 0 | return historyString; |
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} |
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public List<HistoryEntry> getGeneratedBreadcrumbs(){ |
| 190 | 0 | List<HistoryEntry> breadcrumbs = new ArrayList<HistoryEntry>(); |
| 191 | 0 | for(int i=0; i < historyEntries.size(); i++){ |
| 192 | 0 | if(i == 0){ |
| 193 | 0 | breadcrumbs.add(copyEntry(historyEntries.get(i))); |
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} |
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else{ |
| 196 | 0 | HistoryEntry breadcrumb = copyEntry(historyEntries.get(i)); |
| 197 | 0 | String historyParam = ""; |
| 198 | 0 | for(int j=0; j < i; j++){ |
| 199 | 0 | historyParam = historyParam + ENTRY_TOKEN + historyEntries.get(j).toParam(); |
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} |
| 201 | 0 | historyParam = historyParam.replaceFirst("\\" + ENTRY_TOKEN, ""); |
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try { |
| 203 | 0 | historyParam = URLEncoder.encode(historyParam, "UTF-8"); |
| 204 | 0 | } catch (Exception e) { |
| 205 | 0 | LOG.error("Error encoding history param", e); |
| 206 | 0 | } |
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| 208 | 0 | String url = ""; |
| 209 | 0 | if(breadcrumb.getUrl().contains("?")){ |
| 210 | 0 | url = breadcrumb.getUrl() + "&" + UifConstants.UrlParams.HISTORY + "=" + historyParam; |
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} |
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else{ |
| 213 | 0 | url = breadcrumb.getUrl() + "?" + UifConstants.UrlParams.HISTORY + "=" + historyParam; |
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} |
| 215 | 0 | breadcrumb.setUrl(url); |
| 216 | 0 | breadcrumbs.add(breadcrumb); |
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} |
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} |
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| 220 | 0 | return breadcrumbs; |
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} |
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public HistoryEntry getGeneratedCurrentBreadcrumb(){ |
| 229 | 0 | HistoryEntry breadcrumb = copyEntry(current); |
| 230 | 0 | String historyParam = ""; |
| 231 | 0 | for(int j=0; j < historyEntries.size(); j++){ |
| 232 | 0 | historyParam = historyParam + ENTRY_TOKEN + historyEntries.get(j).toParam(); |
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} |
| 234 | 0 | historyParam = historyParam.replaceFirst("\\" + ENTRY_TOKEN, ""); |
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try { |
| 237 | 0 | historyParam = URLEncoder.encode(historyParam, "UTF-8"); |
| 238 | 0 | } catch (Exception e) { |
| 239 | 0 | LOG.error("Error encoding history param", e); |
| 240 | 0 | } |
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| 242 | 0 | String url = ""; |
| 243 | 0 | if(breadcrumb.getUrl().contains("?")){ |
| 244 | 0 | url = breadcrumb.getUrl() + "&" + UifConstants.UrlParams.HISTORY + "=" + historyParam; |
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} |
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else{ |
| 247 | 0 | url = breadcrumb.getUrl() + "?" + UifConstants.UrlParams.HISTORY + "=" + historyParam; |
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} |
| 249 | 0 | breadcrumb.setUrl(url); |
| 250 | 0 | return breadcrumb; |
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} |
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private HistoryEntry copyEntry(HistoryEntry e){ |
| 260 | 0 | return new HistoryEntry(e.getViewId(), e.getPageId(), e.getTitle(), e.getUrl(), e.getFormKey()); |
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} |
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public void pushToHistory(String viewId, String pageId, String title, String url, String formKey) { |
| 274 | 0 | HistoryEntry entry = new HistoryEntry(viewId, pageId, title, url, formKey); |
| 275 | 0 | historyEntries.add(entry); |
| 276 | 0 | } |
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public void setAppendHomewardPath(boolean appendHomewardPath) { |
| 286 | 0 | this.appendHomewardPath = appendHomewardPath; |
| 287 | 0 | } |
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public boolean isAppendHomewardPath() { |
| 293 | 0 | return appendHomewardPath; |
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} |
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public void setAppendPassedHistory(boolean appendPassedHistory) { |
| 304 | 0 | this.appendPassedHistory = appendPassedHistory; |
| 305 | 0 | } |
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public boolean isAppendPassedHistory() { |
| 311 | 0 | return appendPassedHistory; |
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} |
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@SuppressWarnings("unchecked") |
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public void setCurrent(UifFormBase form, HttpServletRequest request) { |
| 324 | 0 | if(!request.getMethod().equals("POST")){ |
| 325 | 0 | boolean showHomeValue = false; |
| 326 | 0 | boolean pageIdValue = false; |
| 327 | 0 | boolean formKeyValue = false; |
| 328 | 0 | String queryString = ""; |
| 329 | 0 | String url = request.getRequestURL().toString(); |
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| 331 | 0 | Enumeration<String> params = request.getParameterNames(); |
| 332 | 0 | while(params.hasMoreElements()){ |
| 333 | 0 | String key = params.nextElement(); |
| 334 | 0 | if(!key.equals(UifConstants.UrlParams.HISTORY)){ |
| 335 | 0 | for(String value: request.getParameterValues(key)){ |
| 336 | 0 | queryString = queryString + "&" + key + "=" + value; |
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} |
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} |
| 339 | 0 | else if(key.equals(UifConstants.UrlParams.PAGE_ID)){ |
| 340 | 0 | pageIdValue = true; |
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} |
| 342 | 0 | else if(key.equals(UifConstants.UrlParams.SHOW_HOME)){ |
| 343 | 0 | showHomeValue = true; |
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} |
| 345 | 0 | else if(key.equals(UifConstants.UrlParams.FORM_KEY)){ |
| 346 | 0 | formKeyValue = true; |
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} |
| 348 | 0 | } |
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| 351 | 0 | if(StringUtils.isNotBlank(form.getFormKey()) && !formKeyValue){ |
| 352 | 0 | queryString = queryString + "&" + UifConstants.UrlParams.FORM_KEY + "=" + form.getFormKey(); |
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} |
| 354 | 0 | if(StringUtils.isNotBlank(form.getPageId()) && !pageIdValue){ |
| 355 | 0 | queryString = queryString + "&" + UifConstants.UrlParams.PAGE_ID + "=" + form.getPageId(); |
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} |
| 357 | 0 | if(!showHomeValue){ |
| 358 | 0 | queryString = queryString + "&" + UifConstants.UrlParams.SHOW_HOME + "=false"; |
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} |
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| 361 | 0 | queryString = queryString.replaceFirst("&", ""); |
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| 363 | 0 | if(StringUtils.isNotEmpty(queryString)){ |
| 364 | 0 | url = url + "?" + queryString; |
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} |
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| 367 | 0 | View view = form.getView(); |
| 368 | 0 | String title = view.getTitle(); |
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| 371 | 0 | Object titleValue = ViewModelUtils.getValue(view, form, view.getViewLabelFieldPropertyName(), view.getViewLabelFieldBindingInfo()); |
| 372 | 0 | String titleAppend = ""; |
| 373 | 0 | if(titleValue != null){ |
| 374 | 0 | titleAppend = titleValue.toString(); |
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} |
| 376 | 0 | if(StringUtils.isNotBlank(titleAppend) && view.getAppendOption() != null){ |
| 377 | 0 | if(view.getAppendOption().equalsIgnoreCase(UifConstants.TitleAppendTypes.DASH)){ |
| 378 | 0 | title = title + " - " + titleAppend; |
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} |
| 380 | 0 | else if(view.getAppendOption().equalsIgnoreCase(UifConstants.TitleAppendTypes.PARENTHESIS)){ |
| 381 | 0 | title = title + "(" + titleAppend +")"; |
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} |
| 383 | 0 | else if(view.getAppendOption().equalsIgnoreCase(UifConstants.TitleAppendTypes.REPLACE)){ |
| 384 | 0 | title = titleAppend; |
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} |
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} |
| 388 | 0 | this.setCurrent(form.getViewId(), form.getPageId(), title, url, form.getFormKey()); |
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} |
| 390 | 0 | } |
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} |