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1
18
19 package org.objectweb.jac.aspects.gui.web;
20
21 import org.objectweb.jac.aspects.gui.*;
22 import org.objectweb.jac.core.rtti.CollectionItem;
23 import org.objectweb.jac.util.ExtArrays;
24 import java.io.IOException  ;
25 import java.io.PrintWriter ;
26 import java.util.Collection ;
27 import java.util.Iterator ;
28
29
35
36 public class CollectionItemView extends AbstractView
37 implements HTMLViewer, CollectionItemViewListener, AbstractCollectionItemView
38 {
39 Object substance;
40 CollectionItem collection;
41 CollectionView collectionView;
42 CollectionModel model;
43
44 int current;
45 ObjectView objectView;
46 String viewType;
47 String [] viewParams;
48 View hiddenView;
49
50
56 public CollectionItemView(View view,
57 CollectionPosition coll,
58 String viewType, String [] viewParams,
59 View hiddenView) {
60 this.objectView = (ObjectView) view;
61 this.collection = coll.getCollection();
62 this.collectionView = coll.getCollectionView();
63 this.model = this.collectionView.getCollectionModel();
64 this.current = coll.getIndex();
65 this.substance = coll.getSubstance();
66 this.viewType = viewType;
67 this.viewParams = viewParams;
68 this.hiddenView = hiddenView;
69 }
70
71 public View getView()
72 {
73 return objectView;
74 }
75
76 public void close(boolean validate) {
77 super.close(validate);
78 objectView.close(validate);
79 }
80
81 public void setCollection(CollectionItem coll) {
82 collection = coll;
83 }
84
85 public CollectionItem getCollection() {
86 return collection;
87 }
88
89 public void setCurrent(int index) {
90 current = index;
91 }
92
93 public int getCurrent() {
94 return current;
95 }
96
97 private void genPrevNext(String prev,
98 String next,
99 int total,
100 PrintWriter out) {
101 out.println("<div class=\"navTool\">");
102
103 if (prev != null)
104 {
105 out.println("<div class=\"prev\">");
106 out.print("<a HREF=\""
107 + eventURL("onPreviousInCollection")
108 + "\">"
109 + "(" + prev + ")"
110 + iconElement(ResourceManager.getResource("previous_icon"),
111 "previous")
112 + "</a>");
113 out.println(" ");
114 out.println("</div>");
115 }
116
117 int cur = current + 1;
118 out.print("[" + cur + " / " + total + "]");
119
120 if (next != null)
121 {
122 out.println("<div class=\"next\">");
123 out.print("<a HREF=\""
124 + eventURL("onNextInCollection")
125 + "\">"
126 + iconElement(ResourceManager.getResource("next_icon"),
127 "next")
128 + "(" + next + ")"
129 + "</a>");
130 out.println("</div>");
131 }
132
133 if (((View)collectionView).isClosed()) {
134 out.println("<div class=\"back\">");
135 out.print("<a HREF=\""
136 +eventURL("onBackToCollection")
137 +"\">");
138 out.print(iconElement(ResourceManager.getResource("up_icon"),
139 "back"));
140 out.print("</a>");
141 out.println("</div>");
142 }
143
144 if (GuiAC.isRemovable(collection)) {
145 out.println("<div class=\"remove\">");
146 out.print("<a HREF=\""
147 +eventURL("onRemoveInCollection")
148 +"\">"
149 +iconElement(ResourceManager.getResource("remove_icon"),
150 "remove"));
151 out.println("</a>");
152 out.println("</div>");
153 }
154
155 out.println("</div>");
156 }
157
158 public void genHTML(PrintWriter out) throws IOException {
159 if (!GuiAC.hasSetNavBar(context.getCustomizedView().getCustomizedGUI(),
160 collection)) {
161 objectView.genHTML(out);
162 return;
163 }
164
165 int size = model.getRowCount();
166
167 String prevStr =
168 (current>0) ? GuiAC.toString(model.getObject(current-1)) : null;
169 String nextStr =
170 (current<(size-1)) ?
171 GuiAC.toString(model.getObject(current+1)) :
172 null;
173
174 genPrevNext(prevStr, nextStr, size, out);
175 objectView.genHTML(out);
176 genPrevNext(prevStr, nextStr, size, out);
177 }
178
179
180 public void onNextInCollection() {
181 if (current < model.getRowCount()-1)
182 {
183 current++;
184 if (collectionView!=null)
185 collectionView.setSelected(current);
186 Object curr = model.getObject(current);
187 objectView.close(true);
188 objectView = (ObjectView) factory.createView("target[?]", viewType,
189 ExtArrays.add(curr,viewParams),
190 context);
191 }
192 context.getDisplay().refresh();
193 }
194
195 public void onPreviousInCollection() {
196 Collection col = collection.getActualCollection(substance);
197 if (current > 0) {
198 current--;
199 if (collectionView!=null)
200 collectionView.setSelected(current);
201 Object curr = model.getObject(current);
202 objectView.close(true);
203 objectView = (ObjectView)
204 factory.createView("target[?]", viewType,
205 ExtArrays.add(curr,viewParams),
206 context);
207 }
208 context.getDisplay().refresh();
209 }
210
211 protected CompositeView findPanel() {
212 View current = getParentView();
213 View last = null;
214 while (current!=null && !(current instanceof PanelView)) {
215 last = current;
216 current = current.getParentView();
217 }
218 return (CompositeView)last;
219 }
220
221 public void onBackToCollection() {
222 CompositeView panel = findPanel();
223 if (panel!=null) {
224 int numRows = GuiAC.getNumRowsPerPage(collection);
225 GuiAC.setStartIndex(
226 collection,
227 numRows>0 ? (current - current%numRows) : 0);
228 try {
229 panel.addView(
230 factory.createView(substance.getClass().getName(),
231 "Object",new Object [] {"default",substance},context));
232 } finally {
233 GuiAC.removeStartIndex(collection);
234 }
235 }
236 context.getDisplay().refresh();
237 }
238
239 public void onRemoveInCollection() {
240 Collection col = collection.getActualCollection(substance);
241 int old = current;
242
243 if (current > 0) {
244 current--;
245 } else if (col.size() <= 1) {
246 col.clear();
247 objectView.close(true);
248 onBackToCollection();
249 return;
250 }
251
252 Object curr = null;
253 Iterator it = col.iterator();
254 for (int i=0; it.hasNext() && i<=old; i++)
255 curr = it.next();
256
257 try {
258 collection.removeThroughRemover(substance,curr);
259 } catch (Exception e) {
260 e.printStackTrace();
261 current = old;
262 context.getDisplay().refresh();
263 return;
264 }
265
266 Iterator it2 = col.iterator();
267 for (int i=0; it2.hasNext() && i<=current; i++) {
268 curr = it2.next();
269 }
270 objectView.close(true);
271 objectView = (ObjectView) factory.createView("target[?]", viewType,
272 ExtArrays.add(curr,viewParams),
273 context);
274
275 if (current > 0)
276 collectionView.setSelected(current);
277
278 context.getDisplay().refresh();
279 }
280
281 }
282 |
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