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1 package com.opensymphony.webwork.components;
2
3 import com.opensymphony.webwork.components.template.Template;
4 import com.opensymphony.webwork.components.template.TemplateEngine;
5 import com.opensymphony.webwork.components.template.TemplateEngineManager;
6 import com.opensymphony.webwork.components.template.TemplateRenderingContext;
7 import com.opensymphony.webwork.config.Configuration;
8 import com.opensymphony.xwork.config.ConfigurationException;
9 import com.opensymphony.xwork.util.OgnlValueStack;
10 import org.apache.commons.logging.Log;
11 import org.apache.commons.logging.LogFactory;
12
13 import javax.servlet.http.HttpServletRequest  ;
14 import javax.servlet.http.HttpServletResponse ;
15 import java.io.Writer ;
16
17
22 public abstract class UIBean extends Component {
23 private static final Log LOG = LogFactory.getLog(UIBean.class);
24
25 protected HttpServletRequest request;
26 protected HttpServletResponse response;
27
28 public UIBean(OgnlValueStack stack, HttpServletRequest request, HttpServletResponse response) {
29 super(stack);
30 this.request = request;
31 this.response = response;
32 }
33
34 protected String template;
36
37 protected String templateDir;
39 protected String theme;
40
41 protected String cssClass;
42 protected String cssStyle;
43 protected String disabled;
44 protected String label;
45 protected String labelPosition;
46 protected String name;
47 protected String required;
48 protected String tabindex;
49 protected String value;
50
51 protected String onclick;
53 protected String ondblclick;
54 protected String onmousedown;
55 protected String onmouseup;
56 protected String onmouseover;
57 protected String onmousemove;
58 protected String onmouseout;
59 protected String onfocus;
60 protected String onblur;
61 protected String onkeypress;
62 protected String onkeydown;
63 protected String onkeyup;
64 protected String onselect;
65 protected String onchange;
66
67 public void end(Writer writer) {
68 evaluateParams();
69 try {
70 mergeTemplate(writer, buildTemplateName(template, getDefaultTemplate()));
71 } catch (Exception e) {
72 e.printStackTrace();
73 }
74
75 super.end(writer);
76 }
77
78
86 protected abstract String getDefaultTemplate();
87
88 protected Template buildTemplateName(String myTemplate, String myDefaultTemplate) {
89 String template = myDefaultTemplate;
90
91 if (myTemplate != null) {
92 template = findString(myTemplate);
93 }
94
95 String templateDir = getTemplateDir();
96 String theme = getTheme();
97
98 return new Template(templateDir, theme, template);
99
100 }
101
102 protected void mergeTemplate(Writer writer, Template template) throws Exception {
103 final TemplateEngine engine = TemplateEngineManager.getTemplateEngine(template);
104 if (engine == null) {
105 throw new ConfigurationException("Unable to find a TemplateEngine for template " + template);
106 }
107
108 if (LOG.isDebugEnabled()) {
109 LOG.debug("Rendering template " + template);
110 }
111
112 final TemplateRenderingContext context = new TemplateRenderingContext(template, writer, getStack(), getParameters(), this);
113 engine.renderTemplate(context);
114 }
115
116 public String getTemplateDir() {
117 String templateDir = null;
118
119 if (this.templateDir != null) {
120 templateDir = findString(this.templateDir);
121 }
122
123 if ((templateDir == null) || (templateDir.equals(""))) {
126 templateDir = (String ) stack.findValue("#attr.templateDir");
127 }
128
129 if ((templateDir == null) || (templateDir.equals(""))) {
131 templateDir = Configuration.getString("webwork.ui.templateDir");
132 }
133
134 if ((templateDir == null) || (templateDir.equals(""))) {
136 templateDir = "template";
137 }
138
139 return templateDir;
140 }
141
142 public String getTheme() {
143 String theme = null;
144
145 if (this.theme != null) {
146 theme = findString(this.theme);
147 }
148
149 if ((theme == null) || (theme.equals(""))) {
152 theme = (String ) stack.findValue("#attr.theme");
153 }
154
155 if ((theme == null) || (theme.equals(""))) {
157 theme = Configuration.getString("webwork.ui.theme");
158 }
159
160 return theme;
161 }
162
163 public void evaluateParams() {
164 addParameter("templateDir", getTemplateDir());
165 addParameter("theme", getTheme());
166
167 Object name = null;
168
169 if (this.name != null) {
170 name = findString(this.name);
171 addParameter("name", name);
172 }
173
174 if (label != null) {
175 addParameter("label", findString(label));
176 }
177
178 if (labelPosition != null) {
179 addParameter("labelposition", findString(labelPosition));
180 }
181
182 if (required != null) {
183 addParameter("required", findValue(required, Boolean .class));
184 }
185
186 if (disabled != null) {
187 addParameter("disabled", findValue(disabled, Boolean .class));
188 }
189
190 if (tabindex != null) {
191 addParameter("tabindex", findString(tabindex));
192 }
193
194 if (onclick != null) {
195 addParameter("onclick", findString(onclick));
196 }
197
198 if (ondblclick != null) {
199 addParameter("ondblclick", findString(ondblclick));
200 }
201
202 if (onmousedown != null) {
203 addParameter("onmousedown", findString(onmousedown));
204 }
205
206 if (onmouseup != null) {
207 addParameter("onmouseup", findString(onmouseup));
208 }
209
210 if (onmouseover != null) {
211 addParameter("onmouseover", findString(onmouseover));
212 }
213
214 if (onmousemove != null) {
215 addParameter("onmousemove", findString(onmousemove));
216 }
217
218 if (onmouseout != null) {
219 addParameter("onmouseout", findString(onmouseout));
220 }
221
222 if (onfocus != null) {
223 addParameter("onfocus", findString(onfocus));
224 }
225
226 if (onblur != null) {
227 addParameter("onblur", findString(onblur));
228 }
229
230 if (onkeypress != null) {
231 addParameter("onkeypress", findString(onkeypress));
232 }
233
234 if (onkeydown != null) {
235 addParameter("onkeydown", findString(onkeydown));
236 }
237
238 if (onkeyup != null) {
239 addParameter("onkeyup", findString(onkeyup));
240 }
241
242 if (onselect != null) {
243 addParameter("onselect", findString(onselect));
244 }
245
246 if (onchange != null) {
247 addParameter("onchange", findString(onchange));
248 }
249
250 if (cssClass != null) {
251 addParameter("cssClass", findString(cssClass));
252 }
253
254 if (cssStyle != null) {
255 addParameter("cssStyle", findString(cssStyle));
256 }
257
258 if (evaluateNameValue()) {
259 final Class valueClazz = getValueClassType();
260
261 if (valueClazz != null) {
262 if (value != null) {
263 addParameter("nameValue", findValue(value, valueClazz));
264 } else if (name != null) {
265 String expr = name.toString();
266 if (ALT_SYNTAX) {
267 expr = "%{" + expr + "}";
268 }
269
270 addParameter("nameValue", findValue(expr, valueClazz));
271 }
272 } else {
273 if (value != null) {
274 addParameter("nameValue", findValue(value));
275 } else if (name != null) {
276 addParameter("nameValue", findValue(name.toString()));
277 }
278 }
279 }
280
281 final Form form = (Form) findAncestor(Form.class);
282
283 if (id != null) {
284 addParameter("id", id);
285 } else if (form != null) {
286 addParameter("id", form.getParameters().get("id") + "_" + name);
287 }
288
289 if (form != null) {
290 addParameter("form", form.getParameters());
291 }
292
293 evaluateExtraParams();
294 }
295
296 protected void evaluateExtraParams() {
297 }
298
299 protected boolean evaluateNameValue() {
300 return true;
301 }
302
303 protected Class getValueClassType() {
304 return String .class;
305 }
306
307 public void setTheme(String theme) {
308 this.theme = theme;
309 }
310
311 public String getTemplate() {
312 return template;
313 }
314
315 public void setTemplate(String template) {
316 this.template = template;
317 }
318
319 public void setCssClass(String cssClass) {
320 this.cssClass = cssClass;
321 }
322
323 public void setCssStyle(String cssStyle) {
324 this.cssStyle = cssStyle;
325 }
326
327 public void setDisabled(String disabled) {
328 this.disabled = disabled;
329 }
330
331 public void setLabel(String label) {
332 this.label = label;
333 }
334
335 public void setLabelPosition(String labelPosition) {
336 this.labelPosition = labelPosition;
337 }
338
339 public void setName(String name) {
340 this.name = name;
341 }
342
343 public void setRequired(String required) {
344 this.required = required;
345 }
346
347 public void setTabindex(String tabindex) {
348 this.tabindex = tabindex;
349 }
350
351 public void setValue(String value) {
352 this.value = value;
353 }
354
355 public void setOnclick(String onclick) {
356 this.onclick = onclick;
357 }
358
359 public void setOndblclick(String ondblclick) {
360 this.ondblclick = ondblclick;
361 }
362
363 public void setOnmousedown(String onmousedown) {
364 this.onmousedown = onmousedown;
365 }
366
367 public void setOnmouseup(String onmouseup) {
368 this.onmouseup = onmouseup;
369 }
370
371 public void setOnmouseover(String onmouseover) {
372 this.onmouseover = onmouseover;
373 }
374
375 public void setOnmousemove(String onmousemove) {
376 this.onmousemove = onmousemove;
377 }
378
379 public void setOnmouseout(String onmouseout) {
380 this.onmouseout = onmouseout;
381 }
382
383 public void setOnfocus(String onfocus) {
384 this.onfocus = onfocus;
385 }
386
387 public void setOnblur(String onblur) {
388 this.onblur = onblur;
389 }
390
391 public void setOnkeypress(String onkeypress) {
392 this.onkeypress = onkeypress;
393 }
394
395 public void setOnkeydown(String onkeydown) {
396 this.onkeydown = onkeydown;
397 }
398
399 public void setOnkeyup(String onkeyup) {
400 this.onkeyup = onkeyup;
401 }
402
403 public void setOnselect(String onselect) {
404 this.onselect = onselect;
405 }
406
407 public void setOnchange(String onchange) {
408 this.onchange = onchange;
409 }
410 }
411 |
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