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1
19
20 package za.org.coefficient.html;
21
22 import za.org.coefficient.interfaces.ThemeLocalIf;
23 import za.org.coefficient.util.ejb.VelocityScreenUtil;
24
25 import java.util.HashMap  ;
26 import java.util.Properties ;
27
28
34 public abstract class Theme implements ThemeLocalIf {
35
37 public static final String WEST_POSITION = "WEST";
38 public static final String EAST_POSITION = "EAST";
39 public static final String NORTH_POSITION = "NORTH";
40 public static final String SOUTH_POSITION = "SOUTH";
41 public static final String CENTER_POSITION = "CENTER";
42 public static final String NULL_POSITION = "null";
43
44 public String TABLEWIDTH = new String ("100%");
45 public String BGCOLOUR = new String ("ffffff");
46 public String CENTERBGCOLOUR = new String ("ffffff");
47 public String CENTERPERCENTAGE = "60%";
48 public String EAST = "east.vm";
49 public String EASTBGCOLOUR = new String ("ffffff");
50 public String EASTPERCENTAGE = "20%";
51 public String HEADER = "header.vm";
52 public String NORTH = "north.vm";
53 public String NORTHBGCOLOUR = new String ("ffffff");
54 public String SOUTH = "south.vm";
55 public String SOUTHBGCOLOUR = new String ("ffffff");
56 public String WELCOME = "welcome.vm";
57 public String WEST = "west.vm";
58 public String WESTBGCOLOUR = new String ("ffffff");
59 public String WESTPERCENTAGE = "20%";
60 public String CELLPADDING = "1";
61 public String CELLSPACING = "1";
62 public String themeName = null;
63 Properties props = new Properties ();
64 VelocityScreenUtil velocityScreenUtil = null;
65
66 protected String pathToThemeResource;
67
68 public void init(String themeName) {
69 this.themeName = themeName;
70 pathToThemeResource = this.getClass().getName();
71 int lastPos = pathToThemeResource.lastIndexOf(".");
73 if (lastPos>0) {
74 pathToThemeResource = pathToThemeResource.substring(0, lastPos).replaceAll("\\.","/")+"/resource";
75 } else {
76 pathToThemeResource="resource";
77 }
78 try {
79 VelocityScreenUtil velocityScreenUtil = new VelocityScreenUtil();
80
81 java.io.InputStream propStream = null;
82 propStream =
83 Theme.class.getResourceAsStream("/"+pathToThemeResource+"/"+themeName+".properties");
84 if (propStream == null) {
85 System.out.println(themeName + " no properties");
86 }
87
88 if (propStream != null) {
89 props.load(propStream);
90 }
91
92 java.lang.reflect.Field [] fields = this.getClass()
93 .getFields();
94 int i;
95 for (i = 0; i < fields.length; i++) {
96 String name = fields[i].getName();
97 String value = props.getProperty(name);
98 if (value != null) {
99 fields[i].set(this, value.trim());
100 }
101 }
102 } catch (Throwable t) {
103 System.out.println(themeName + "Theme throws " + t);
104 }
105 }
106
107
109 public String getTableWidth(Page page) {
110 return TABLEWIDTH;
111 }
112 public String getBackGround(Page page) {
113 return BGCOLOUR;
114 }
115
116 public String getPathToThemeResource() {
117 return this.pathToThemeResource;
118 }
119
120 public String getCenter(Page page) {
121 StringBuffer sb = new StringBuffer ("");
122 sb.append("<table width=\"100%\" border=\"0\" cellpadding=\"0\" ");
124 sb.append("cellspacing=\"0\" ");
125 sb.append(BGCOLOUR);
126 sb.append(">\n");
128 sb.append("<tr><td>\n");
129 sb.append(page.getCenterContent());
130 sb.append("</table>");
131
132 return sb.toString();
133 }
134
135 public String getCenterBackGround(Page page) {
136 return CENTERBGCOLOUR;
137 }
138
139 public String getCenterPercentage(Page page) {
140 return CENTERPERCENTAGE;
141 }
142
143 public String getEast(Page page) {
144 StringBuffer sb = new StringBuffer ("");
145 HashMap hash = new HashMap ();
146 hash.put("content", page.getEastContent());
147 hash.put("width", EASTPERCENTAGE);
148 sb.append(velocityScreenUtil.getProcessedScreenFullyQualified(pathToThemeResource + "/" +EAST, hash));
149
150 return sb.toString();
151 }
152
153 public String getEastBackGround(Page page) {
154 return EASTBGCOLOUR;
155 }
156
157 public String getEastPercentage(Page page) {
158 return EASTPERCENTAGE;
159 }
160
161 public String getFooter(Page page) {
162 return "";
163 }
164
165 public String getHeader(Page page) {
166 StringBuffer sb = new StringBuffer ("");
167 sb.append(velocityScreenUtil.getProcessedScreenFullyQualified(pathToThemeResource + "/" +HEADER,
168 new HashMap ()));
169
170 return sb.toString();
171 }
172
173 public String getName(Page page) {
174 return themeName + "Theme";
175 }
176
177 public String getName() {
178 return getName(null);
179 }
180
181
182 public String getNorth(Page page) {
183 StringBuffer sb = new StringBuffer ("");
184 HashMap hash = new HashMap ();
185 hash.put("content", page.getNorthContent());
186 hash.put("project", page.getProject());
187 sb.append(velocityScreenUtil.getProcessedScreenFullyQualified(pathToThemeResource + "/" +NORTH,
188 hash));
189
190 return sb.toString();
191 }
192
193 public String getNorthBackGround(Page page) {
194 return NORTHBGCOLOUR;
195 }
196
197 public String getPosition(String moduleName) {
198 String position = props.getProperty(moduleName.trim());
201 if (position == null) {
202 position = "CENTER";
203 }
204
205 return position;
206 }
207
208 public String getSouth(Page page) {
209 StringBuffer sb = new StringBuffer ("");
210 HashMap hash = new HashMap ();
211 hash.put("content", page.getSouthContent());
212 sb.append(velocityScreenUtil.getProcessedScreenFullyQualified(pathToThemeResource + "/" +SOUTH,
213 hash));
214
215 return sb.toString();
216 }
217
218 public String getSouthBackGround(Page page) {
219 return SOUTHBGCOLOUR;
220 }
221
222 public String getWelcomePageContent() {
223 String content = null;
224 HashMap hash = new HashMap ();
225 try {
226 content =
227 velocityScreenUtil.getProcessedScreenFullyQualified(pathToThemeResource + "/" +WELCOME,
228 hash)
229 .toString();
230 } catch (Throwable t) {
231 }
233
234 return content;
235 }
236
237 public String getWest(Page page) {
238 StringBuffer sb = new StringBuffer ("");
239 HashMap hash = new HashMap ();
240 hash.put("content", page.getWestContent());
241 hash.put("project", page.getProject());
242 hash.put("width", WESTPERCENTAGE);
243 sb.append(velocityScreenUtil.getProcessedScreenFullyQualified(pathToThemeResource + "/" +WEST, hash));
244
245 return sb.toString();
246 }
247
248 public String getWestBackGround(Page page) {
249 return WESTBGCOLOUR;
250 }
251
252 public String getWestPercentage(Page page) {
253 return WESTPERCENTAGE;
254 }
255
256 public String getCellPadding(Page page) {
257 return CELLPADDING;
258 }
259
260 public String getCellSpacing(Page page) {
261 return CELLSPACING;
262 }
263
264 public void format(Page page, String moduleName, String html) {
265 String position = getPosition(moduleName.replaceAll(" ", ""));
273
274 if (position.toLowerCase().equals(NULL_POSITION)) {
280 return;
281 }
282
283 int idx = position.indexOf(",");
284 Integer index = null;
285 if (idx > 0) {
286 index = Integer.decode(position.substring(idx + 1, position.length()).trim());
287 position = position.substring(0, idx).trim();
288 }
289 if(position.equals(WEST_POSITION)) {
290 page.setWestContent(html, index, moduleName);
291 } else if(position.equals(EAST_POSITION)) {
292 page.setEastContent(html, index, moduleName);
293 } else if(position.equals(NORTH_POSITION)) {
294 page.setNorthContent(html, index, moduleName);
295 } else if(position.equals(SOUTH_POSITION)) {
296 page.setSouthContent(html, index, moduleName);
297 } else if(position.equals(CENTER_POSITION)) {
298 page.setCenterContent(html, index, moduleName);
299 }
300 }
301
302 public String getPositionForModule(String moduleName) {
303 String position = getPosition(moduleName.replaceAll(" ", ""));
311
312 if(position.toLowerCase().equals(NULL_POSITION)) {
318 return NULL_POSITION;
319 }
320
321 int idx = position.indexOf(",");
322 if (idx > 0) {
323 position = position.substring(0, idx).trim();
324 }
325 if(position == null) {
326 position = CENTER_POSITION;
327 }
328 return position;
329 }
330 }
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