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1
13 package org.openi.xmla.navigator;
14
15 import java.util.List  ;
16 import java.util.Set ;
17
18 import javax.servlet.http.HttpSession ;
19
20 import org.w3c.dom.Document ;
21
22 import com.tonbeller.jpivot.core.ModelChangeEvent;
23 import com.tonbeller.jpivot.core.ModelChangeListener;
24 import org.openi.xmla.navigator.hierarchy.*;
25 import com.tonbeller.jpivot.navigator.member.MemberNavigator;
26 import com.tonbeller.jpivot.olap.model.Hierarchy;
27 import com.tonbeller.jpivot.olap.model.OlapModel;
28 import com.tonbeller.jpivot.ui.Available;
29 import com.tonbeller.wcf.component.Component;
30 import com.tonbeller.wcf.component.ComponentSupport;
31 import com.tonbeller.wcf.controller.RequestContext;
32 import com.tonbeller.wcf.controller.RequestListener;
33 import com.tonbeller.wcf.selection.SelectionModel;
34 import com.tonbeller.wcf.tree.NodeSorter;
35
36
42
43 public class Navigator extends ComponentSupport implements ModelChangeListener, Available {
44 OlapModel olapModel;
45 MemberNavigator memberNav;
46 HierarchyNavigator hierarchyNav;
47 HierarchyItem currentItem;
48 Component current;
49
50 public Navigator(String id, Component parent, OlapModel olapModel) {
51 super(id, parent);
52 this.olapModel = olapModel;
53 olapModel.addModelChangeListener(this);
54
55 RequestListener acceptHandler = createMemberNavAcceptHandler();
56 RequestListener cancelHandler = createMemberNavCancelHandler();
57 memberNav = new MemberNavigator(id + ".membernav", this, olapModel, acceptHandler, cancelHandler);
58 hierarchyNav = new HierarchyNavigator(id + ".hiernav", this, olapModel);
59 if (memberNav.isAvailable())
60 hierarchyNav.setHierarchyItemClickHandler(createHierarchyItemClickHandler());
61 current = hierarchyNav;
62 }
63
64
67 public void initialize(RequestContext context) throws Exception {
68 super.initialize(context);
69 memberNav.initialize(context);
70 hierarchyNav.initialize(context);
71 }
72
73
76 public void destroy(HttpSession session) throws Exception {
77 memberNav.destroy(session);
78 hierarchyNav.destroy(session);
79 super.destroy(session);
80 }
81
82 public Document render(RequestContext context) throws Exception {
83 return current.render(context);
84 }
85
86
89 public void show(Component component) {
90 if (component == null)
91 this.current = hierarchyNav;
92 else
93 this.current = component;
94 }
95
96
99 private class HierarchyItemClickAdapter implements HierarchyItemClickHandler {
100 public void itemClicked(
101 RequestContext context,
102 HierarchyItem item,
103 SelectionModel selection,
104 boolean allowChangeOrder) {
105
106 currentItem = item;
107 Hierarchy[] hiers = item.getDimension().getHierarchies();
108 memberNav.setHierarchies(hiers, allowChangeOrder);
109 memberNav.setSelectionModel(selection);
110 memberNav.expandSelected(false);
111 Set deleted = memberNav.getDeleteNodeModel().getDeleted();
112 deleted.clear();
113 deleted.addAll(item.getDeleted());
114 show(memberNav);
115 }
116 }
117
118 private class MemberNavAcceptHandler implements RequestListener {
119 public void request(RequestContext context) throws Exception {
120 boolean valid = memberNav.validate(context);
122
123 Set set = memberNav.getSelectionModel().getSelection();
126 List list = NodeSorter.preOrder(set, memberNav.getModel());
127 String errmesg = currentItem.validateSelection(list);
128 if (errmesg != null)
129 memberNav.setError(errmesg);
130 else if (valid) {
131 currentItem.setSelection(list);
132 currentItem.setDeleted(memberNav.getDeleteNodeModel().getDeleted());
133 show(hierarchyNav);
134 hierarchyNav.getAcceptHandler().request(context);
136 }
137 }
138 }
139
140 private class MemberNavCancelHandler implements RequestListener {
141 public void request(RequestContext context) throws Exception {
142 memberNav.revert(context);
143 show(hierarchyNav);
144 }
145 }
146
147
150 protected RequestListener createMemberNavAcceptHandler() {
151 return new MemberNavAcceptHandler();
152 }
153
154
157 protected HierarchyItemClickHandler createHierarchyItemClickHandler() {
158 return new HierarchyItemClickAdapter();
159 }
160
161
164 protected RequestListener createMemberNavCancelHandler() {
165 return new MemberNavCancelHandler();
166 }
167
168
172 public boolean isVisible() {
173 return hierarchyNav.isVisible();
174 }
175
176
180 public void setVisible(boolean visible) {
181 hierarchyNav.setVisible(visible);
182 }
183
184 public void modelChanged(ModelChangeEvent e) {
185 show(hierarchyNav);
186 }
187
188 public void structureChanged(ModelChangeEvent e) {
189 if (memberNav.isAvailable())
190 hierarchyNav.setHierarchyItemClickHandler(createHierarchyItemClickHandler());
191 else
192 hierarchyNav.setHierarchyItemClickHandler(null);
193 show(hierarchyNav);
194 }
195
196 public HierarchyNavigator getHierarchyNav() {
197 return hierarchyNav;
198 }
199
200 public MemberNavigator getMemberNav() {
201 return memberNav;
202 }
203
204 public boolean isAvailable() {
205 return hierarchyNav.isAvailable();
206 }
207
208 }
209 |
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