Coverage Report

Coverage Report - org.kuali.rice.kns.web.struts.form.KualiTableRenderFormMetadata

Classes in this File

Line Coverage

Branch Coverage

Complexity

KualiTableRenderFormMetadata

0/72

0/20

1.8

KualiTableRenderFormMetadata$1

0/24

0/18

1.8

 /*
  * Copyright 2007 The Kuali Foundation
  * 
  * Licensed under the Educational Community License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  * 
  * http://www.opensource.org/licenses/ecl2.php
  * 
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package org.kuali.rice.kns.web.struts.form;
 
 import org.apache.commons.beanutils.BeanComparator;
 import org.apache.commons.beanutils.PropertyUtils;
 import org.apache.commons.lang.StringUtils;
 import org.kuali.rice.kew.exception.WorkflowException;
 import org.kuali.rice.kns.util.TableRenderUtil;
 
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Date;
 import java.util.List;
 
 /**
  * This class holds the metadata necessary to render a table when displaytag is not being used.
  */
 public class KualiTableRenderFormMetadata {
     private int viewedPageNumber;
     private int totalNumberOfPages;
     private int firstRowIndex;
     private int lastRowIndex;
     private int switchToPageNumber;
 
     /**
      * The number of rows that match the query criteria
      */
     private int resultsActualSize;
 
     /**
      * The number of rows that match the query criteria or
      *  the max results limit size (if applicable), whichever is less
      */
     private int resultsLimitedSize;
 
     /**
      * when the looked results screen was rendered, the index of the column that the results were sorted on.  -1 for unknown, index numbers
      * starting at 0
      */
     private int previouslySortedColumnIndex;
 
     /**
      * Comment for <code>columnToSortIndex</code>
      */
     private int columnToSortIndex;
 
     /**
      * If it is not feasible to use an index for lookup, as with mapped properties in an Map<String, String>, it may be necessary to store a string value
      */
     private String columnToSortName;
 
     /**
      * When the screen was last rendered, the column name on which it was previously sorted -- this is important for toggling between ascending and descending
      * sort orders
      */
     private String previouslySortedColumnName;
 
     private boolean sortDescending;
 
     public KualiTableRenderFormMetadata() {
         sortDescending = false;
     }
 
     /**
      * Gets the columnToSortIndex attribute.
      * @return Returns the columnToSortIndex.
      */
     public int getColumnToSortIndex() {
         return columnToSortIndex;
     }
 
     /**
      * Sets the columnToSortIndex attribute value.
      * @param columnToSortIndex The columnToSortIndex to set.
      */
     public void setColumnToSortIndex(int columnToSortIndex) {
         this.columnToSortIndex = columnToSortIndex;
     }
 
     /**
      * Gets the previouslySortedColumnIndex attribute.
      * @return Returns the previouslySortedColumnIndex.
      */
     public int getPreviouslySortedColumnIndex() {
         return previouslySortedColumnIndex;
     }
 
     /**
      * Sets the previouslySortedColumnIndex attribute value.
      * @param previouslySortedColumnIndex The previouslySortedColumnIndex to set.
      */
     public void setPreviouslySortedColumnIndex(int previouslySortedColumnIndex) {
         this.previouslySortedColumnIndex = previouslySortedColumnIndex;
     }
 
     /**
      * Gets the resultsActualSize attribute.
      * @return Returns the resultsActualSize.
      */
     public int getResultsActualSize() {
         return resultsActualSize;
     }
 
     /**
      * Sets the resultsActualSize attribute value.
      * @param resultsActualSize The resultsActualSize to set.
      */
     public void setResultsActualSize(int resultsActualSize) {
         this.resultsActualSize = resultsActualSize;
     }
 
     /**
      * Gets the resultsLimitedSize attribute.
      * @return Returns the resultsLimitedSize.
      */
     public int getResultsLimitedSize() {
         return resultsLimitedSize;
     }
 
     /**
      * Sets the resultsLimitedSize attribute value.
      * @param resultsLimitedSize The resultsLimitedSize to set.
      */
     public void setResultsLimitedSize(int resultsLimitedSize) {
         this.resultsLimitedSize = resultsLimitedSize;
     }
 
     /**
      * Gets the switchToPageNumber attribute.
      * @return Returns the switchToPageNumber.
      */
     public int getSwitchToPageNumber() {
         return switchToPageNumber;
     }
 
     /**
      * Sets the switchToPageNumber attribute value.
      * @param switchToPageNumber The switchToPageNumber to set.
      */
     public void setSwitchToPageNumber(int switchToPageNumber) {
         this.switchToPageNumber = switchToPageNumber;
     }
 
     /**
      * Gets the viewedPageNumber attribute.
      * @return Returns the viewedPageNumber.
      */
     public int getViewedPageNumber() {
         return viewedPageNumber;
     }
 
     /**
      * Sets the viewedPageNumber attribute value.
      * @param viewedPageNumber The viewedPageNumber to set.
      */
     public void setViewedPageNumber(int viewedPageNumber) {
         this.viewedPageNumber = viewedPageNumber;
     }
 
     /**
      * Gets the totalNumberOfPages attribute.
      * @return Returns the totalNumberOfPages.
      */
     public int getTotalNumberOfPages() {
         return totalNumberOfPages;
     }
 
     /**
      * Sets the totalNumberOfPages attribute value.
      * @param totalNumberOfPages The totalNumberOfPages to set.
      */
     public void setTotalNumberOfPages(int totalNumberOfPages) {
         this.totalNumberOfPages = totalNumberOfPages;
     }
 
     /**
      * Gets the firstRowIndex attribute.
      * @return Returns the firstRowIndex.
      */
     public int getFirstRowIndex() {
         return firstRowIndex;
     }
 
     /**
      * Sets the firstRowIndex attribute value.
      * @param firstRowIndex The firstRowIndex to set.
      */
     public void setFirstRowIndex(int firstRowIndex) {
         this.firstRowIndex = firstRowIndex;
     }
 
     /**
      * Gets the lastRowIndex attribute.
      * @return Returns the lastRowIndex.
      */
     public int getLastRowIndex() {
         return lastRowIndex;
     }
 
     /**
      * Sets the lastRowIndex attribute value.
      * @param lastRowIndex The lastRowIndex to set.
      */
     public void setLastRowIndex(int lastRowIndex) {
         this.lastRowIndex = lastRowIndex;
     }
 
     /**
      * Gets the sortDescending attribute.
      * @return Returns the sortDescending.
      */
     public boolean isSortDescending() {
         return sortDescending;
     }
 
     /**
      * Sets the sortDescending attribute value.
      * @param sortDescending The sortDescending to set.
      */
     public void setSortDescending(boolean sortDescending) {
         this.sortDescending = sortDescending;
     }
 
         /**
          * @return the columnToSortName
          */
         public String getColumnToSortName() {
                 return this.columnToSortName;
         }
 
         /**
          * @param columnToSortName the columnToSortName to set
          */
         public void setColumnToSortName(String columnToSortName) {
                 this.columnToSortName = columnToSortName;
         }
 
         /**
          * @return the previouslySortedColumnName
          */
         public String getPreviouslySortedColumnName() {
                 return this.previouslySortedColumnName;
         }
 
         /**
          * @param previouslySortedColumnName the previouslySortedColumnName to set
          */
         public void setPreviouslySortedColumnName(String previouslySortedColumnName) {
                 this.previouslySortedColumnName = previouslySortedColumnName;
         }
 
 
     /**
      * Sets the paging form parameters to go to the first page of the list
      *
      * @param listSize size of table being rendered
      * @param maxRowsPerPage
      */
     public void jumpToFirstPage(int listSize, int maxRowsPerPage) {
         jumpToPage(0, listSize, maxRowsPerPage);
     }
 
     /**
      * Sets the paging form parameters to go to the last page of the list
      *
      * @param listSize size of table being rendered
      * @param maxRowsPerPage
      */
     public void jumpToLastPage(int listSize, int maxRowsPerPage) {
         jumpToPage(TableRenderUtil.computeTotalNumberOfPages(listSize, maxRowsPerPage) - 1, listSize, maxRowsPerPage);
     }
 
     /**
      * Sets the paging form parameters to go to the specified page of the list
      *
      * @param pageNumber first page is 0, must be non-negative.  If the list is not large enough to have the page specified, then
      *   this method will be equivalent to calling jumpToLastPage.
      * @param listSize size of table being rendered
      * @param maxRowsPerPage
      *
      * @see KualiTableRenderFormMetadata#jumpToLastPage(int, int)
      */
     public void jumpToPage(int pageNumber, int listSize, int maxRowsPerPage) {
         int totalPages = TableRenderUtil.computeTotalNumberOfPages(listSize, maxRowsPerPage);
         setTotalNumberOfPages(totalPages);
         if (pageNumber >= totalPages) {
             pageNumber = totalPages - 1;
         }
         setViewedPageNumber(pageNumber);
         setFirstRowIndex(TableRenderUtil.computeStartIndexForPage(pageNumber, listSize, maxRowsPerPage));
         setLastRowIndex(TableRenderUtil.computeLastIndexForPage(pageNumber, listSize, maxRowsPerPage));
     }
 
     /**
      * Sorts a list on the form according to the form metadata (sortColumName, previouslySortedColumnName)
      *
      * @param memberTableMetadata
      * @param items
      * @param maxRowsPerPage
      * @throws WorkflowException
      */
     public void sort(List<?> items, int maxRowsPerPage) {
 
             // Don't bother to sort null, empty or singleton lists
             if (items == null || items.size() <= 1)
                     return;
 
         String columnToSortOn = getColumnToSortName();
 
         // Don't bother to sort if no column to sort on is provided
         if (StringUtils.isEmpty(columnToSortOn))
                 return;
 
         String previouslySortedColumnName = getPreviouslySortedColumnName();
 
         // We know members isn't null or empty from the check above
             Object firstItem = items.get(0);
             // Need to decide if the comparator is for a bean property or a mapped key on the qualififer attribute set
             Comparator comparator = null;
             Comparator subComparator = new Comparator<Object>() {
 
                     public int compare(Object o1, Object o2) {
                             if (o1 == null)
                                     return -1;
                             if (o2 == null)
                                     return 1;
 
                             if (o1 instanceof java.util.Date && o2 instanceof java.util.Date) {
                                     Date d1 = (Date)o1;
                                     Date d2 = (Date)o2;
                                     return d1.compareTo(d2);
                             }
 
                             String s1 = o1.toString();
                             String s2 = o2.toString();
                             int n1=s1.length(), n2=s2.length();
                             for (int i1=0, i2=0; i1<n1 && i2<n2; i1++, i2++) {
                                     char c1 = s1.charAt(i1);
                                     char c2 = s2.charAt(i2);
                                     if (c1 != c2) {
                                             c1 = Character.toUpperCase(c1);
                                             c2 = Character.toUpperCase(c2);
                                             if (c1 != c2) {
                                                     c1 = Character.toLowerCase(c1);
                                                     c2 = Character.toLowerCase(c2);
                                                     if (c1 != c2) {
                                                             return c1 - c2;
                                                     }
                                             }
                                     }
                             }
                             return n1 - n2;
                     }
             };
             // If the columnName is a readable bean property on the first member, then it's safe to say we need a simple bean property comparator,
             // otherwise it's a mapped property -- syntax for BeanComparator is "name" and "name(key)", respectively
             if (PropertyUtils.isReadable(firstItem, columnToSortOn))
                     comparator = new BeanComparator(columnToSortOn, subComparator);
             else
                     comparator = new BeanComparator(new StringBuilder().append("qualifierAsMap<String, String>(").append(columnToSortOn).append(")").toString(), subComparator);
 
 
         // If the user has decided to resort by the same column that the list is currently sorted by, then assume that s/he wants to reverse the order of the sort
         if (!StringUtils.isEmpty(columnToSortOn) && !StringUtils.isEmpty(previouslySortedColumnName) && columnToSortOn.equals(previouslySortedColumnName)) {
             // we're already sorted on the same column that the user clicked on, so we reverse the list
                 if (isSortDescending())
                         comparator = Collections.reverseOrder(comparator);
 
                 setSortDescending(!isSortDescending());
         } else {
                 // Track which column we're currently sorting, so that the above logic will work on the next sort
                 setPreviouslySortedColumnName(columnToSortOn);
                 setSortDescending(true);
         }
 
         Collections.sort(items, comparator);
 
                 jumpToFirstPage(items.size(), maxRowsPerPage);
     }
 
 }

1		/*
2		* Copyright 2007 The Kuali Foundation
3		*
4		* Licensed under the Educational Community License, Version 2.0 (the "License");
5		* you may not use this file except in compliance with the License.
6		* You may obtain a copy of the License at
7		*
8		* http://www.opensource.org/licenses/ecl2.php
9		*
10		* Unless required by applicable law or agreed to in writing, software
11		* distributed under the License is distributed on an "AS IS" BASIS,
12		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13		* See the License for the specific language governing permissions and
14		* limitations under the License.
15		*/
16		package org.kuali.rice.kns.web.struts.form;
17
18		import org.apache.commons.beanutils.BeanComparator;
19		import org.apache.commons.beanutils.PropertyUtils;
20		import org.apache.commons.lang.StringUtils;
21		import org.kuali.rice.kew.exception.WorkflowException;
22		import org.kuali.rice.kns.util.TableRenderUtil;
23
24		import java.util.Collections;
25		import java.util.Comparator;
26		import java.util.Date;
27		import java.util.List;
28
29		/**
30		* This class holds the metadata necessary to render a table when displaytag is not being used.
31		*/
32		public class KualiTableRenderFormMetadata {
33		private int viewedPageNumber;
34		private int totalNumberOfPages;
35		private int firstRowIndex;
36		private int lastRowIndex;
37		private int switchToPageNumber;
38
39		/**
40		* The number of rows that match the query criteria
41		*/
42		private int resultsActualSize;
43
44		/**
45		* The number of rows that match the query criteria or
46		* the max results limit size (if applicable), whichever is less
47		*/
48		private int resultsLimitedSize;
49
50		/**
51		* when the looked results screen was rendered, the index of the column that the results were sorted on. -1 for unknown, index numbers
52		* starting at 0
53		*/
54		private int previouslySortedColumnIndex;
55
56		/**
57		* Comment for <code>columnToSortIndex</code>
58		*/
59		private int columnToSortIndex;
60
61		/**
62		* If it is not feasible to use an index for lookup, as with mapped properties in an Map<String, String>, it may be necessary to store a string value
63		*/
64		private String columnToSortName;
65
66		/**
67		* When the screen was last rendered, the column name on which it was previously sorted -- this is important for toggling between ascending and descending
68		* sort orders
69		*/
70		private String previouslySortedColumnName;
71
72		private boolean sortDescending;
73
74	0	public KualiTableRenderFormMetadata() {
75	0	sortDescending = false;
76	0	}
77
78		/**
79		* Gets the columnToSortIndex attribute.
80		* @return Returns the columnToSortIndex.
81		*/
82		public int getColumnToSortIndex() {
83	0	return columnToSortIndex;
84		}
85
86		/**
87		* Sets the columnToSortIndex attribute value.
88		* @param columnToSortIndex The columnToSortIndex to set.
89		*/
90		public void setColumnToSortIndex(int columnToSortIndex) {
91	0	this.columnToSortIndex = columnToSortIndex;
92	0	}
93
94		/**
95		* Gets the previouslySortedColumnIndex attribute.
96		* @return Returns the previouslySortedColumnIndex.
97		*/
98		public int getPreviouslySortedColumnIndex() {
99	0	return previouslySortedColumnIndex;
100		}
101
102		/**
103		* Sets the previouslySortedColumnIndex attribute value.
104		* @param previouslySortedColumnIndex The previouslySortedColumnIndex to set.
105		*/
106		public void setPreviouslySortedColumnIndex(int previouslySortedColumnIndex) {
107	0	this.previouslySortedColumnIndex = previouslySortedColumnIndex;
108	0	}
109
110		/**
111		* Gets the resultsActualSize attribute.
112		* @return Returns the resultsActualSize.
113		*/
114		public int getResultsActualSize() {
115	0	return resultsActualSize;
116		}
117
118		/**
119		* Sets the resultsActualSize attribute value.
120		* @param resultsActualSize The resultsActualSize to set.
121		*/
122		public void setResultsActualSize(int resultsActualSize) {
123	0	this.resultsActualSize = resultsActualSize;
124	0	}
125
126		/**
127		* Gets the resultsLimitedSize attribute.
128		* @return Returns the resultsLimitedSize.
129		*/
130		public int getResultsLimitedSize() {
131	0	return resultsLimitedSize;
132		}
133
134		/**
135		* Sets the resultsLimitedSize attribute value.
136		* @param resultsLimitedSize The resultsLimitedSize to set.
137		*/
138		public void setResultsLimitedSize(int resultsLimitedSize) {
139	0	this.resultsLimitedSize = resultsLimitedSize;
140	0	}
141
142		/**
143		* Gets the switchToPageNumber attribute.
144		* @return Returns the switchToPageNumber.
145		*/
146		public int getSwitchToPageNumber() {
147	0	return switchToPageNumber;
148		}
149
150		/**
151		* Sets the switchToPageNumber attribute value.
152		* @param switchToPageNumber The switchToPageNumber to set.
153		*/
154		public void setSwitchToPageNumber(int switchToPageNumber) {
155	0	this.switchToPageNumber = switchToPageNumber;
156	0	}
157
158		/**
159		* Gets the viewedPageNumber attribute.
160		* @return Returns the viewedPageNumber.
161		*/
162		public int getViewedPageNumber() {
163	0	return viewedPageNumber;
164		}
165
166		/**
167		* Sets the viewedPageNumber attribute value.
168		* @param viewedPageNumber The viewedPageNumber to set.
169		*/
170		public void setViewedPageNumber(int viewedPageNumber) {
171	0	this.viewedPageNumber = viewedPageNumber;
172	0	}
173
174		/**
175		* Gets the totalNumberOfPages attribute.
176		* @return Returns the totalNumberOfPages.
177		*/
178		public int getTotalNumberOfPages() {
179	0	return totalNumberOfPages;
180		}
181
182		/**
183		* Sets the totalNumberOfPages attribute value.
184		* @param totalNumberOfPages The totalNumberOfPages to set.
185		*/
186		public void setTotalNumberOfPages(int totalNumberOfPages) {
187	0	this.totalNumberOfPages = totalNumberOfPages;
188	0	}
189
190		/**
191		* Gets the firstRowIndex attribute.
192		* @return Returns the firstRowIndex.
193		*/
194		public int getFirstRowIndex() {
195	0	return firstRowIndex;
196		}
197
198		/**
199		* Sets the firstRowIndex attribute value.
200		* @param firstRowIndex The firstRowIndex to set.
201		*/
202		public void setFirstRowIndex(int firstRowIndex) {
203	0	this.firstRowIndex = firstRowIndex;
204	0	}
205
206		/**
207		* Gets the lastRowIndex attribute.
208		* @return Returns the lastRowIndex.
209		*/
210		public int getLastRowIndex() {
211	0	return lastRowIndex;
212		}
213
214		/**
215		* Sets the lastRowIndex attribute value.
216		* @param lastRowIndex The lastRowIndex to set.
217		*/
218		public void setLastRowIndex(int lastRowIndex) {
219	0	this.lastRowIndex = lastRowIndex;
220	0	}
221
222		/**
223		* Gets the sortDescending attribute.
224		* @return Returns the sortDescending.
225		*/
226		public boolean isSortDescending() {
227	0	return sortDescending;
228		}
229
230		/**
231		* Sets the sortDescending attribute value.
232		* @param sortDescending The sortDescending to set.
233		*/
234		public void setSortDescending(boolean sortDescending) {
235	0	this.sortDescending = sortDescending;
236	0	}
237
238		/**
239		* @return the columnToSortName
240		*/
241		public String getColumnToSortName() {
242	0	return this.columnToSortName;
243		}
244
245		/**
246		* @param columnToSortName the columnToSortName to set
247		*/
248		public void setColumnToSortName(String columnToSortName) {
249	0	this.columnToSortName = columnToSortName;
250	0	}
251
252		/**
253		* @return the previouslySortedColumnName
254		*/
255		public String getPreviouslySortedColumnName() {
256	0	return this.previouslySortedColumnName;
257		}
258
259		/**
260		* @param previouslySortedColumnName the previouslySortedColumnName to set
261		*/
262		public void setPreviouslySortedColumnName(String previouslySortedColumnName) {
263	0	this.previouslySortedColumnName = previouslySortedColumnName;
264	0	}
265
266
267		/**
268		* Sets the paging form parameters to go to the first page of the list
269		*
270		* @param listSize size of table being rendered
271		* @param maxRowsPerPage
272		*/
273		public void jumpToFirstPage(int listSize, int maxRowsPerPage) {
274	0	jumpToPage(0, listSize, maxRowsPerPage);
275	0	}
276
277		/**
278		* Sets the paging form parameters to go to the last page of the list
279		*
280		* @param listSize size of table being rendered
281		* @param maxRowsPerPage
282		*/
283		public void jumpToLastPage(int listSize, int maxRowsPerPage) {
284	0	jumpToPage(TableRenderUtil.computeTotalNumberOfPages(listSize, maxRowsPerPage) - 1, listSize, maxRowsPerPage);
285	0	}
286
287		/**
288		* Sets the paging form parameters to go to the specified page of the list
289		*
290		* @param pageNumber first page is 0, must be non-negative. If the list is not large enough to have the page specified, then
291		* this method will be equivalent to calling jumpToLastPage.
292		* @param listSize size of table being rendered
293		* @param maxRowsPerPage
294		*
295		* @see KualiTableRenderFormMetadata#jumpToLastPage(int, int)
296		*/
297		public void jumpToPage(int pageNumber, int listSize, int maxRowsPerPage) {
298	0	int totalPages = TableRenderUtil.computeTotalNumberOfPages(listSize, maxRowsPerPage);
299	0	setTotalNumberOfPages(totalPages);
300	0	if (pageNumber >= totalPages) {
301	0	pageNumber = totalPages - 1;
302		}
303	0	setViewedPageNumber(pageNumber);
304	0	setFirstRowIndex(TableRenderUtil.computeStartIndexForPage(pageNumber, listSize, maxRowsPerPage));
305	0	setLastRowIndex(TableRenderUtil.computeLastIndexForPage(pageNumber, listSize, maxRowsPerPage));
306	0	}
307
308		/**
309		* Sorts a list on the form according to the form metadata (sortColumName, previouslySortedColumnName)
310		*
311		* @param memberTableMetadata
312		* @param items
313		* @param maxRowsPerPage
314		* @throws WorkflowException
315		*/
316		public void sort(List<?> items, int maxRowsPerPage) {
317
318		// Don't bother to sort null, empty or singleton lists
319	0	if (items == null \|\| items.size() <= 1)
320	0	return;
321
322	0	String columnToSortOn = getColumnToSortName();
323
324		// Don't bother to sort if no column to sort on is provided
325	0	if (StringUtils.isEmpty(columnToSortOn))
326	0	return;
327
328	0	String previouslySortedColumnName = getPreviouslySortedColumnName();
329
330		// We know members isn't null or empty from the check above
331	0	Object firstItem = items.get(0);
332		// Need to decide if the comparator is for a bean property or a mapped key on the qualififer attribute set
333	0	Comparator comparator = null;
334	0	Comparator subComparator = new Comparator<Object>() {
335
336		public int compare(Object o1, Object o2) {
337	0	if (o1 == null)
338	0	return -1;
339	0	if (o2 == null)
340	0	return 1;
341
342	0	if (o1 instanceof java.util.Date && o2 instanceof java.util.Date) {
343	0	Date d1 = (Date)o1;
344	0	Date d2 = (Date)o2;
345	0	return d1.compareTo(d2);
346		}
347
348	0	String s1 = o1.toString();
349	0	String s2 = o2.toString();
350	0	int n1=s1.length(), n2=s2.length();
351	0	for (int i1=0, i2=0; i1<n1 && i2<n2; i1++, i2++) {
352	0	char c1 = s1.charAt(i1);
353	0	char c2 = s2.charAt(i2);
354	0	if (c1 != c2) {
355	0	c1 = Character.toUpperCase(c1);
356	0	c2 = Character.toUpperCase(c2);
357	0	if (c1 != c2) {
358	0	c1 = Character.toLowerCase(c1);
359	0	c2 = Character.toLowerCase(c2);
360	0	if (c1 != c2) {
361	0	return c1 - c2;
362		}
363		}
364		}
365		}
366	0	return n1 - n2;
367		}
368		};
369		// If the columnName is a readable bean property on the first member, then it's safe to say we need a simple bean property comparator,
370		// otherwise it's a mapped property -- syntax for BeanComparator is "name" and "name(key)", respectively
371	0	if (PropertyUtils.isReadable(firstItem, columnToSortOn))
372	0	comparator = new BeanComparator(columnToSortOn, subComparator);
373		else
374	0	comparator = new BeanComparator(new StringBuilder().append("qualifierAsMap<String, String>(").append(columnToSortOn).append(")").toString(), subComparator);
375
376
377		// If the user has decided to resort by the same column that the list is currently sorted by, then assume that s/he wants to reverse the order of the sort
378	0	if (!StringUtils.isEmpty(columnToSortOn) && !StringUtils.isEmpty(previouslySortedColumnName) && columnToSortOn.equals(previouslySortedColumnName)) {
379		// we're already sorted on the same column that the user clicked on, so we reverse the list
380	0	if (isSortDescending())
381	0	comparator = Collections.reverseOrder(comparator);
382
383	0	setSortDescending(!isSortDescending());
384		} else {
385		// Track which column we're currently sorting, so that the above logic will work on the next sort
386	0	setPreviouslySortedColumnName(columnToSortOn);
387	0	setSortDescending(true);
388		}
389
390	0	Collections.sort(items, comparator);
391
392	0	jumpToFirstPage(items.size(), maxRowsPerPage);
393	0	}
394
395		}