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1
15 package org.apache.tapestry.vlib.components;
16
17 import org.apache.hivemind.ApplicationRuntimeException;
18 import org.apache.tapestry.BaseComponent;
19 import org.apache.tapestry.IAsset;
20 import org.apache.tapestry.IBinding;
21 import org.apache.tapestry.IEngine;
22 import org.apache.tapestry.IPage;
23 import org.apache.tapestry.IRequestCycle;
24 import org.apache.tapestry.Tapestry;
25 import org.apache.tapestry.callback.ICallback;
26 import org.apache.tapestry.callback.PageCallback;
27 import org.apache.tapestry.vlib.IActivate;
28 import org.apache.tapestry.vlib.IMessageProperty;
29 import org.apache.tapestry.vlib.VirtualLibraryEngine;
30 import org.apache.tapestry.vlib.Visit;
31 import org.apache.tapestry.vlib.pages.Login;
32
33
43
44 public abstract class Border extends BaseComponent
45 {
46 public static final String  WINDOW_TITLE = "Tapestry Virtual Library";
47
48
50 private String _pageType;
51 private IAsset _titleImage;
52 private IAsset _searchImage;
53 private IAsset _searchRolloverImage;
54 private IAsset _myLibraryImage;
55 private IAsset _myLibraryRolloverImage;
56 private IAsset _borrowedBooksImage;
57 private IAsset _borrowedBooksRolloverImage;
58 private IAsset _loginImage;
59 private IAsset _loginRolloverImage;
60 private IAsset _newBookImage;
61 private IAsset _newBookRolloverImage;
62 private IAsset _editProfileImage;
63 private IAsset _editProfileRolloverImage;
64 private IAsset _giveAwayImage;
65 private IAsset _giveAwayRolloverImage;
66 private IAsset _editUsersImage;
67 private IAsset _editUsersRolloverImage;
68 private IAsset _editPublishersImage;
69 private IAsset _editPublishersRolloverImage;
70 private IAsset _transferBooksImage;
71 private IAsset _transferBooksRolloverImage;
72
73 public abstract String getSubtitle();
74
75 public void finishLoad()
76 {
77 IPage page = getPage();
78
79 String pageName = page.getPageName();
80
81 _pageType = page.getSpecification().getProperty("page-type");
82
83 if (_pageType == null)
84 _pageType = pageName;
85
86 _titleImage = getAsset("title_" + pageName);
87
88 if (_titleImage == null)
89 _titleImage = getAsset("title_" + _pageType);
90
91 if (_titleImage == null)
92 throw new ApplicationRuntimeException(
93 "Cannot find title image for " + pageName + " or " + _pageType + ".",
94 this,
95 null,
96 null);
97
98
101 _searchImage = selectImage("Search", "search");
102 _searchRolloverImage = selectImage("Search", "search_h");
103
104 _myLibraryImage = selectImage("MyLibrary", "mylibrary");
105 _myLibraryRolloverImage = selectImage("MyLibrary", "mylibrary_h");
106
107 _borrowedBooksImage = selectImage("BorrowedBooks", "borrowedbooks");
108 _borrowedBooksRolloverImage = selectImage("BorrowedBooks", "borrowedbooks_h");
109
110 _newBookImage = selectImage("NewBook", "newbook");
111 _newBookRolloverImage = selectImage("NewBook", "newbook_h");
112
113 _editProfileImage = selectImage("EditProfile", "editprofile");
114 _editProfileRolloverImage = selectImage("EditProfile", "editprofile_h");
115
116 _giveAwayImage = selectImage("GiveAwayBooks", "giveaway");
117 _giveAwayRolloverImage = selectImage("GiveAwayBooks", "giveaway_h");
118
119 _editUsersImage = selectImage("EditUsers", "editusers");
120 _editUsersRolloverImage = selectImage("EditUsers", "editusers_h");
121
122 _editPublishersImage = selectImage("EditPublishers", "editpublishers");
123 _editPublishersRolloverImage = selectImage("EditPublishers", "editpublishers_h");
124
125 _transferBooksImage = selectImage("TransferBooks", "transferbooks");
126 _transferBooksRolloverImage = selectImage("TransferBooks", "transferbooks_h");
127
128 _loginImage = selectImage("Login", "login");
129 _loginRolloverImage = selectImage("Login", "login_h");
130 }
131
132 private IAsset selectImage(String type, String baseName)
133 {
134 String key = _pageType.equals(type) ? baseName + "_s" : baseName;
135
136 return getAsset(key);
137 }
138
139 public String getWindowTitle()
140 {
141 String subtitle = getSubtitle();
142
143 if (subtitle == null)
144 return WINDOW_TITLE;
145
146 return WINDOW_TITLE + ": " + subtitle;
147 }
148
149 public boolean isLoggedIn()
150 {
151 IEngine engine = getPage().getEngine();
152 Visit visit = (Visit) engine.getVisit();
153
154 if (visit == null)
155 return false;
156
157 return visit.isUserLoggedIn();
158 }
159
160 public boolean isAdmin()
161 {
162 IEngine engine = getPage().getEngine();
163 Visit visit = (Visit) engine.getVisit();
164
165 if (visit == null)
166 return false;
167
168 IRequestCycle cycle = getPage().getRequestCycle();
169
170 return visit.isUserLoggedIn() && visit.getUser(cycle).isAdmin();
171 }
172
173 public void editProfile(IRequestCycle cycle)
174 {
175 activate("EditProfile", cycle);
176 }
177
178 public void viewBorrowedBooks(IRequestCycle cycle)
179 {
180 activate("BorrowedBooks", cycle);
181 }
182
183 public void viewMyLibrary(IRequestCycle cycle)
184 {
185 activate("MyLibrary", cycle);
186 }
187
188 private void activate(String pageName, IRequestCycle cycle)
189 {
190 IActivate page = (IActivate) cycle.getPage(pageName);
191
192 page.validate(cycle);
193
194 page.activate(cycle);
195 }
196
197 public void login(IRequestCycle cycle)
198 {
199 Visit visit = (Visit) cycle.getEngine().getVisit();
200
201 if (visit != null && visit.isUserLoggedIn())
202 return;
203
204 ICallback callback = new PageCallback(getPage().getPageName());
205 Login loginPage = (Login) cycle.getPage("Login");
206 loginPage.setCallback(callback);
207 cycle.activate(loginPage);
208 }
209
210 public void logout(IRequestCycle cycle)
211 {
212 VirtualLibraryEngine vengine = (VirtualLibraryEngine) getPage().getEngine();
213
214 vengine.logout();
215
216 IMessageProperty home = (IMessageProperty) cycle.getPage("Home");
217
218 home.setMessage(getMessage("goodbye"));
219
220 cycle.activate(home);
221 }
222
223 public void selectBrowserPage(IRequestCycle cycle)
224 {
225 Integer page = (Integer ) cycle.getServiceParameters()[0];
226
227
229 IBinding browserBinding = getBrowserBinding();
230
231 Browser browser = (Browser) browserBinding.getObject("browser", Browser.class);
232
233 if (browser == null)
234 throw Tapestry.createRequiredParameterException(this, "browser");
235
236 browser.jump(page.intValue());
237 }
238
239 public IAsset getBorrowedBooksImage()
240 {
241 return _borrowedBooksImage;
242 }
243
244 public IAsset getBorrowedBooksRolloverImage()
245 {
246 return _borrowedBooksRolloverImage;
247 }
248
249 public IAsset getTitleImage()
250 {
251 return _titleImage;
252 }
253
254 public IAsset getSearchImage()
255 {
256 return _searchImage;
257 }
258
259 public IAsset getSearchRolloverImage()
260 {
261 return _searchRolloverImage;
262 }
263
264 public IAsset getMyLibraryImage()
265 {
266 return _myLibraryImage;
267 }
268
269 public IAsset getMyLibraryRolloverImage()
270 {
271 return _myLibraryRolloverImage;
272 }
273
274 public IAsset getLoginImage()
275 {
276 return _loginImage;
277 }
278
279 public IAsset getLoginRolloverImage()
280 {
281 return _loginRolloverImage;
282 }
283
284 public String getPageType()
285 {
286 return _pageType;
287 }
288
289 public IAsset getNewBookImage()
290 {
291 return _newBookImage;
292 }
293
294 public IAsset getNewBookRolloverImage()
295 {
296 return _newBookRolloverImage;
297 }
298
299 public IAsset getEditProfileImage()
300 {
301 return _editProfileImage;
302 }
303
304 public IAsset getEditProfileRolloverImage()
305 {
306 return _editProfileRolloverImage;
307 }
308
309 public IAsset getGiveAwayImage()
310 {
311 return _giveAwayImage;
312 }
313
314 public IAsset getGiveAwayRolloverImage()
315 {
316 return _giveAwayRolloverImage;
317 }
318
319 public IAsset getEditPublishersImage()
320 {
321 return _editPublishersImage;
322 }
323
324 public IAsset getEditPublishersRolloverImage()
325 {
326 return _editPublishersRolloverImage;
327 }
328
329 public IAsset getEditUsersImage()
330 {
331 return _editUsersImage;
332 }
333
334 public IAsset getEditUsersRolloverImage()
335 {
336 return _editUsersRolloverImage;
337 }
338
339 public IAsset getTransferBooksImage()
340 {
341 return _transferBooksImage;
342 }
343
344 public IAsset getTransferBooksRolloverImage()
345 {
346 return _transferBooksRolloverImage;
347 }
348
349 } |
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