|
1
17
18 package org.objectweb.jac.aspects.gui.web;
19
20 import java.awt.Dimension  ;
21 import java.io.File ;
22 import java.io.IOException ;
23 import java.io.PrintWriter ;
24 import java.util.Arrays ;
25 import java.util.Hashtable ;
26 import java.util.Iterator ;
27 import java.util.Map ;
28 import org.apache.log4j.Logger;
29 import org.objectweb.jac.aspects.cache.MethodCache;
30 import org.objectweb.jac.aspects.gui.*;
31 import org.objectweb.jac.aspects.gui.web.html.*;
32 import org.objectweb.jac.aspects.timestamp.Timestamps;
33 import org.objectweb.jac.core.rtti.FieldItem;
34 import org.objectweb.jac.core.rtti.MethodItem;
35 import org.objectweb.jac.util.Images;
36 import org.objectweb.jac.util.ObjectArray;
37 import org.objectweb.jac.util.Strings;
38
39 public abstract class AbstractView implements View {
40 static Logger logger = Logger.getLogger("web");
41 static Logger loggerClose = Logger.getLogger("gui.close");
42 static Logger loggerDisplay = Logger.getLogger("display");
43 static Logger loggerContext = Logger.getLogger("display.context");
44
45 protected String label;
46 protected DisplayContext context;
47 protected Length width;
48 protected Length height;
49 ViewFactory factory;
50
51 String style;
53
54 Object [] parameters;
55 String type;
56
57
58 protected boolean isCellViewer = false;
59 protected int row;
60 protected int column;
61 protected View table;
62
63 public AbstractView() {
64 }
65
66 public AbstractView(ViewFactory factory, DisplayContext context) {
67 this.factory = factory;
68 this.context = context;
69 }
70
71 Border viewBorder;
72
73
77 public Border getViewBorder() {
78 return viewBorder;
79 }
80
81
85 public void setViewBorder(Border v) {
86 this.viewBorder = v;
87 }
88
89 MethodItem message;
90
91
95 public MethodItem getMessage() {
96 return message;
97 }
98
99
103 public void setMessage(MethodItem v) {
104 this.message = v;
105 }
106
107 protected String description;
108
109
113 public String getDescription() {
114 return description;
115 }
116
117
121 public void setDescription(String v) {
122 this.description = v;
123 }
124
125 protected View parentView;
126
127
131 public View getParentView() {
132 return parentView;
133 }
134
135
139 public void setParentView(View v) {
140 this.parentView = v;
141 }
142
143 public View getRootView() {
144 if (parentView==null)
145 return this;
146 return parentView.getRootView();
147 }
148
149 public boolean isDescendantOf(View ancestor) {
150 if (this==ancestor)
151 return true;
152 else if (parentView==null)
153 return false;
154 else
155 return parentView.isDescendantOf(ancestor);
156 }
157
158 public void setContext(DisplayContext context) {
159 loggerContext.debug("setContext on "+this);
160 this.context = context;
161 }
162
163 public DisplayContext getContext() {
164 return context;
165 }
166
167 public void setFactory(ViewFactory factory) {
168 this.factory = factory;
169 }
170
171 public ViewFactory getFactory() {
172 return factory;
173 }
174
175 public void setLabel(String label) {
176 this.label = label;
177 }
178
179 public String getLabel() {
180 return label;
181 }
182
183 public void setSize(Length width, Length height) {
184 this.width = width;
185 this.height = height;
186 }
187
188 public void setType(String type) {
189 this.type = type;
190 }
191
192 public String getType() {
193 return type;
194 }
195
196 public void setStyle(String style) {
197 this.style = style;
198 }
199
200 public String getStyle() {
201 return style;
202 }
203
204 public void setParameters(Object [] parameters) {
205 this.parameters = parameters;
206 }
207
208 public Object [] getParameters() {
209 return parameters;
210 }
211
212 public void setFocus(FieldItem field, Object option) {
213 }
214
215 public void close(boolean validate) {
216 loggerClose.debug("closing "+this);
217 closed = true;
218 ((WebDisplay)context.getDisplay()).unregisterView(this);
219 }
220
221 boolean closed = false;
222
223 public boolean isClosed() {
224 return closed;
225 }
226
227 public boolean equalsView(ViewIdentity view) {
228 return
229 ( ( type!=null &&
230 type.equals(view.getType()) )
231 || (type==null && view.getType()==null ) )
232 && ( ( parameters!=null &&
233 Arrays.equals(parameters,view.getParameters()) )
234 || (parameters==null && view.getParameters()==null) );
235 }
236
237 public boolean equalsView(String type, Object [] parameters) {
238 return this.type.equals(type)
239 && Arrays.equals(this.parameters,parameters);
240 }
241
242
245 protected boolean isInForm() {
246 return true;
247 }
248
249
256 protected Composite eventURL(String text, String event, String params) {
257 JacRequest request = WebDisplay.getRequest();
258 String parameters = "event="+event+"&source="+getId()+params;
259 if (request.isIEUserAgent()) {
260 logger.debug("user-agent: "+request.getUserAgent());
262 Link link = new Link(
263 ((WebDisplay)context.getDisplay()).getServletName()+
264 "?"+parameters,
265 text);
266 link.attribute("onclick","return commitForm(this,'"+parameters+"')");
267 return link;
268 } else {
269 if (isInForm()) {
270 Button button =
271 new Button("submit","eventAndAction",parameters);
272 button.add(text);
273 return button;
274 } else {
275 return new Link(
276 ((WebDisplay)context.getDisplay()).getServletName()+
277 "?event="+event+"&source="+getId()+params,
278 text);
279 }
280 }
281 }
282
283
291 protected void showButton(PrintWriter out, String icon, String label, String event) {
292 JacRequest request = WebDisplay.getRequest();
293 if (request.isIEUserAgent()) {
294 out.println(
295 "<table class=\"method\"><td>"+
296 (icon!=null?iconElement(ResourceManager.getResource(icon),"").toString():"")+
297 eventURL(label,event,"").toString()+
298 "</td></table>");
299 } else {
300 out.println(
301 eventURL(label,event,"")
302 .add(0,(icon!=null?iconElement(ResourceManager.getResource(icon),"").toString():""))
303 .cssClass("method")
304 .toString());
305 }
306 }
307
308 public String getOpenBorder() {
309 String s = "";
310 if (viewBorder==null)
311 return s;
312 s += "<div class=\"BORDER_"+Border.i2aStyle(viewBorder.getStyle())+"\">";
313 if (viewBorder.hasTitle()) {
314 s += "<div class=\"label\">"+viewBorder.getTitle()+"</div>";
315 }
316 return s;
317 }
318
319 public String getCloseBorder() {
320 if (viewBorder==null)
321 return "";
322 return "</div>";
323 }
324
325 protected String getBaseURL() {
326 return ((WebDisplay)context.getDisplay()).getServletName();
327 }
328
329
333 protected String eventURL(String event) {
334 String base = getBaseURL()+
335 "?event="+event+"&source="+getId();
336 if (isCellViewer)
337 return base+"&tableEventSource="+getId(table)+
338 "&row="+row+"&col="+column;
339 else
340 return base;
341 }
342
343
349 protected Element iconElement(String icon, String alt) {
350 return iconElement(icon,alt,true);
351 }
352
353 static MethodCache iconCache = new MethodCache(null);
354
355
362 protected Element iconElement(String icon, String alt, boolean showAlt) {
363 if (Strings.isEmpty(icon)) {
364 return new Text(showAlt?alt:"");
365 } else {
366 Dimension size = null;
367 File file = new File (icon);
368 ObjectArray args = new ObjectArray(new Object []{file});
369 MethodCache.Entry entry = iconCache.getEntry(args,null);
370 if (entry!=null) {
371 size = (Dimension )entry.value;
372 } else {
373 try {
374 size = Images.getImageFileSize(file);
375 logger.debug("size of "+icon+": "+size.width+"x"+size.height);
376 } catch (Exception e) {
377 logger.warn("Could not determine size of icon "+icon,e);
378 }
379 }
380 if (size==null) {
381 logger.warn("Could not determine size of icon "+icon);
382 } else {
383 iconCache.putEntry(args,size);
384 }
385 return new Image("resources/"+icon,alt,size).cssClass("icon");
386 }
387 }
388
389 protected String getId() {
390 return ((WebDisplay)context.getDisplay()).registerView(this);
391 }
392
393 protected String getId(View view) {
394 return ((WebDisplay)context.getDisplay()).registerView(view);
395 }
396
397
399
400 String styleSheet = "resources/org/objectweb/jac/aspects/gui/web/style.css";
401 String styleSheetIE = "resources/org/objectweb/jac/aspects/gui/web/ie.css";
402 String styleSheetKonqueror = "resources/org/objectweb/jac/aspects/gui/web/konqueror.css";
403
404 String javascript = "resources/org/objectweb/jac/aspects/gui/web/script.js";
405
406 public void setStyleSheet(String styleSheet) {
407 this.styleSheet = styleSheet;
408 }
409
410
414 protected void genPage(PrintWriter out) throws IOException {
415 out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\">");
416 out.println("<html>");
417 out.println(" <head>");
418 out.println(" <title>"+label+"</title>");
419 out.println(" <meta name=\"Author\" content=\"JAC web-gui server\">" );
420 out.println(" <script type=\"text/javascript\" SRC=\""+javascript+"\"></script>");
421 genStyleSheets(out,context.getCustomizedView());
422 out.println(" </head>");
423 out.println(" <body>");
424 genBody(out);
425 out.println(" </body>");
426 out.println("</html>");
427 }
428
429 protected void genStyleSheets(PrintWriter out, CustomizedView customized) {
430 out.println(" <link rel=\"stylesheet\" type=\"text/css\" "+
431 "href=\""+styleSheet+"\" title=\"JAC\">");
432 JacRequest request = WebDisplay.getRequest();
433 if (request.isIEUserAgent()) {
434 out.println(" <link rel=\"stylesheet\" type=\"text/css\" "+
435 "href=\""+styleSheetIE+"\">");
436 }
437 if (request.userAgentMatch("Konqueror")) {
438 out.println(" <link rel=\"stylesheet\" type=\"text/css\" "+
439 "href=\""+styleSheetKonqueror+"\">");
440 }
441
442 out.println(" <style type=\"text/css\">");
443 Iterator it;
444 if (customized!=null) {
445 it = customized.getCustomizedGUI().getStyleSheetURLs().iterator();
446 while (it.hasNext()) {
447 String url = (String )it.next();
448 out.println(" @import \""+url+"\";");
449 }
450 }
451 it = GuiAC.getStyleSheetURLs().iterator();
452 while (it.hasNext()) {
453 String url = (String )it.next();
454 out.println(" @import \""+url+"\";");
455 }
456 out.println(" </style>");
457 }
458
459
463 protected void genBody(PrintWriter out) throws IOException {
464 out.println(" <p>Empty page</p>");
465 }
466
467
469 public void setTable(View table) {
470 this.table = table;
471 }
472
473 public void setRow(int row) {
474 this.row = row;
475 }
476
477 public void setColumn(int column) {
478 this.column = column;
479 }
480
481 Hashtable attributes = new Hashtable ();
482 public void setAttribute(String name, String value) {
483 attributes.put(name,value);
484 }
485 protected void printAttributes(PrintWriter out) {
486 Iterator it = attributes.entrySet().iterator();
487 while (it.hasNext()) {
488 Map.Entry entry = (Map.Entry )it.next();
489 out.write(" "+entry.getKey()+"=\""+entry.getValue()+"\"");
490 }
491 }
492
493 protected void openForm(PrintWriter out) {
494 out.println(" <form action=\""+
495 ((WebDisplay)context.getDisplay()).getServletName()+"\" "+
496 "method=\"post\" accept-charset=\""+GuiAC.getEncoding()+"\" "+
497 "enctype=\"multipart/form-data\">");
498 }
499
500 protected void closeForm(PrintWriter out) {
501 out.println(" </form>");
502 }
503
504 protected void showFormButtons(PrintWriter out, boolean dialog) {
505 out.println(" <div class=\"actions\">");
506 out.println(" <input type=\"hidden\" name=\"source\" value=\""+getId()+"\">");
507 if (dialog) {
508 showButton(out,null,GuiAC.getLabelOK(),"onOK");
509 showButton(out,null,GuiAC.getLabelCancel(),"onCancel");
510 } else {
511 showButton(out,null,GuiAC.getLabelClose(),"onOK");
512 }
513 if (context.hasEnabledEditor()) {
514 showButton(out,null,"Refresh","onRefresh");
515 }
516 out.println(" </div>");
517 }
518
519 protected void showFormButtons(PrintWriter out) {
520 showFormButtons(out,true);
521 }
522
523 protected void genEventAndActionButton(PrintWriter out, String event) {
524 showButton(out,null,"Refresh",event);
525 }
526 }
527 |
Popular Tags |
Java API By Example, From Geeks To Geeks.