SalesRecordsManager


1   /*
2    * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3    *
4    * "The contents of this file are subject to the Mozilla Public License
5    * Version 1.1 (the "License"); you may not use this file except in
6    * compliance with the License. You may obtain a copy of the License at
7    * http://www.mozilla.org/MPL/
8    *
9    * Software distributed under the License is distributed on an "AS IS"
10   * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
11   * License for the specific language governing rights and limitations under
12   * the License.
13   *
14   * The Original Code is ICEfaces 1.5 open source software code, released
15   * November 5, 2006. The Initial Developer of the Original Code is ICEsoft
16   * Technologies Canada, Corp. Portions created by ICEsoft are Copyright (C)
17   * 2004-2006 ICEsoft Technologies Canada, Corp. All Rights Reserved.
18   *
19   * Contributor(s): _____________________.
20   *
21   * Alternatively, the contents of this file may be used under the terms of
22   * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"
23   * License), in which case the provisions of the LGPL License are
24   * applicable instead of those above. If you wish to allow use of your
25   * version of this file only under the terms of the LGPL License and not to
26   * allow others to use your version of this file under the MPL, indicate
27   * your decision by deleting the provisions above and replace them with
28   * the notice and other provisions required by the LGPL License. If you do
29   * not delete the provisions above, a recipient may use your version of
30   * this file under either the MPL or the LGPL License."
31   *
32   */
33  
34  package com.icesoft.icefaces.samples.showcase.components.expandableTable;
35  
36  import com.icesoft.icefaces.samples.showcase.util.StyleBean;
37  
38  import javax.faces.application.Application;
39  import javax.faces.context.FacesContext;
40  import java.util.ArrayList  ;
41  import java.util.GregorianCalendar  ;
42  
43  /**
44   * <p>The <code>SalesRecordsManager</code> class is responsible for constructing
45   * the list of <code>SalesGroupRecordBean</code> beans which will be bound to a
46   * ice:dataTable JSF component.  This construction process is currently static
47   * but could easily be configured to work with Hibernate or DAO implementation.
48   * </p>
49   * <p/>
50   * <p>Large data sets could be handle by adding a ice:dataPaginator.
51   * Alternatively the dataTable could also be hidden and the dataTable could be
52   * added to scrollable ice:panelGroup. </p>
53   * <p/>
54   * <p>All default style allocation can be changed in this class.  The
55   * application /lib/sytle.css file can be edited to change the style properties
56   * of the table.</p>
57   */
58  public class SalesRecordsManager {
59  
60      private ArrayList   inventoryGroupItemBeans;
61  
62      private boolean isInit;
63  
64      // css style related constants
65      public static final String   GROUP_INDENT_STYLE_CLASS = "groupRowIndentStyle";
66      public static final String   GROUP_ROW_STYLE_CLASS = "groupRowStyle";
67      public static final String   CHILD_INDENT_STYLE_CLASS = "childRowIndentStyle";
68      public static final String   CHILD_ROW_STYLE_CLASS = "childRowStyle";
69      // toggle for expand contract
70      public static final String   CONTRACT_IMAGE = "tree_nav_top_close_no_siblings.gif";
71      public static final String   EXPAND_IMAGE = "tree_nav_top_open_no_siblings.gif";
72  
73      public SalesRecordsManager() {
74          init();
75      }
76  
77      private void init() {
78  
79          // check if manager has been initiated
80          if (isInit) {
81              return;
82          }
83          isInit = true;
84  
85          // initiate the list
86          if (inventoryGroupItemBeans != null) {
87              inventoryGroupItemBeans.clear();
88          } else {
89              inventoryGroupItemBeans = new ArrayList  (10);
90          }
91          
92          Application application =
93                  FacesContext.getCurrentInstance().getApplication();
94          StyleBean styleBean =
95                  ((StyleBean) application.createValueBinding("#{styleBean}").
96                          getValue(FacesContext.getCurrentInstance()));
97  
98          /**
99           * Build the array list group items.  Currently static but could be easily
100          * bound to a database.
101          */
102 
103         // Tuesday's group
104         SalesGroupRecordBean salesRecordGroup =
105                 new SalesGroupRecordBean(GROUP_INDENT_STYLE_CLASS,
106                                          GROUP_ROW_STYLE_CLASS,
107                                          styleBean,
108                                          EXPAND_IMAGE, CONTRACT_IMAGE,
109                                          inventoryGroupItemBeans, false);
110         salesRecordGroup.setDescription("Tuesday's Items");
111         salesRecordGroup.setDate(new GregorianCalendar  (2006, 5, 2));
112 
113         // add Tuesday's children
114         SalesGroupRecordBean childSalesGroup =
115                 new SalesGroupRecordBean(CHILD_INDENT_STYLE_CLASS,
116                                          CHILD_ROW_STYLE_CLASS);
117         childSalesGroup.setDescription("2mm Torx screws");
118         childSalesGroup.setDate(new GregorianCalendar  (2006, 6, 3));
119         childSalesGroup.setQuantity(6);
120         childSalesGroup.setPrice(0.25);
121         salesRecordGroup.addChildSalesGroupRecord(childSalesGroup);
122         childSalesGroup =
123                 new SalesGroupRecordBean(CHILD_INDENT_STYLE_CLASS,
124                                          CHILD_ROW_STYLE_CLASS);
125         childSalesGroup.setDescription("5mm Torx screws");
126         childSalesGroup.setDate(new GregorianCalendar  (2006, 7, 2));
127         childSalesGroup.setQuantity(6);
128         childSalesGroup.setPrice(0.25);
129         salesRecordGroup.addChildSalesGroupRecord(childSalesGroup);
130 
131         // Wednesday's group
132         salesRecordGroup =
133                 new SalesGroupRecordBean(GROUP_INDENT_STYLE_CLASS,
134                                          GROUP_ROW_STYLE_CLASS,
135                                          styleBean,
136                                          EXPAND_IMAGE, CONTRACT_IMAGE,
137                                          inventoryGroupItemBeans, true);
138         salesRecordGroup.setDescription("Wednesday's Items");
139         salesRecordGroup.setDate(new GregorianCalendar  (2006, 6, 2));
140 
141         // add Wednesday's children
142         childSalesGroup =
143                 new SalesGroupRecordBean(CHILD_INDENT_STYLE_CLASS,
144                                          CHILD_ROW_STYLE_CLASS);
145         childSalesGroup.setDescription("Steel Hammer");
146         childSalesGroup.setDate(new GregorianCalendar  (2006, 6, 6));
147         childSalesGroup.setQuantity(1);
148         childSalesGroup.setPrice(35.0);
149         salesRecordGroup.addChildSalesGroupRecord(childSalesGroup);
150         childSalesGroup =
151                 new SalesGroupRecordBean(CHILD_INDENT_STYLE_CLASS,
152                                          CHILD_ROW_STYLE_CLASS);
153         childSalesGroup.setDescription("Bag of 10# nails");
154         childSalesGroup.setDate(new GregorianCalendar  (2006, 6, 6));
155         childSalesGroup.setQuantity(2);
156         childSalesGroup.setPrice(15.0);
157         salesRecordGroup.addChildSalesGroupRecord(childSalesGroup);
158         childSalesGroup =
159                 new SalesGroupRecordBean(CHILD_INDENT_STYLE_CLASS,
160                                          CHILD_ROW_STYLE_CLASS);
161         childSalesGroup.setDescription("Bag of 15# nails");
162         childSalesGroup.setDate(new GregorianCalendar  (2006, 6, 6));
163         childSalesGroup.setQuantity(5);
164         childSalesGroup.setPrice(15.0);
165         salesRecordGroup.addChildSalesGroupRecord(childSalesGroup);
166 
167         // Thursday's group
168         salesRecordGroup =
169                 new SalesGroupRecordBean(GROUP_INDENT_STYLE_CLASS,
170                                          GROUP_ROW_STYLE_CLASS,
171                                          styleBean,
172                                          EXPAND_IMAGE, CONTRACT_IMAGE,
173                                          inventoryGroupItemBeans, false);
174         salesRecordGroup.setDescription("Thursday's Items");
175         salesRecordGroup.setDate(new GregorianCalendar  (2006, 7, 2));
176 
177         // add Thursday's children
178         childSalesGroup =
179                 new SalesGroupRecordBean(CHILD_INDENT_STYLE_CLASS,
180                                          CHILD_ROW_STYLE_CLASS);
181         childSalesGroup.setDescription("B&D Table Saw");
182         childSalesGroup.setDate(new GregorianCalendar  (2006, 6, 15));
183         childSalesGroup.setQuantity(1);
184         childSalesGroup.setPrice(310.0);
185         salesRecordGroup.addChildSalesGroupRecord(childSalesGroup);
186 
187     }
188 
189     /**
190      * Cleans up the resources used by this class.  This method could be called
191      * when a session destroyed event is called.
192      */
193     public void dispose() {
194         isInit = false;
195         // clean up the array list
196         if (inventoryGroupItemBeans != null) {
197             SalesGroupRecordBean tmp;
198             ArrayList   tmpList;
199             for (int i = 0; i < inventoryGroupItemBeans.size(); i++) {
200                 tmp = (SalesGroupRecordBean) inventoryGroupItemBeans.get(i);
201                 tmpList = tmp.getChildSalesRecords();
202                 if (tmpList != null) {
203                     tmpList.clear();
204                 }
205             }
206             inventoryGroupItemBeans.clear();
207         }
208     }
209 
210     /**
211      * Gets the list of SalesGroupRecordBean which will be used by the
212      * ice:dataTable component.
213      *
214      * @return array list of parent SalesGroupRecordBeans
215      */
216     public ArrayList   getSalesGroupRecordBeans() {
217         return inventoryGroupItemBeans;
218     }
219 }
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