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1 package net.sourceforge.formview.displayer;
2
3 import java.util.ArrayList  ;
4 import java.util.HashMap ;
5 import java.util.Iterator ;
6 import java.util.List ;
7 import java.util.Map ;
8
9 import net.sourceforge.formview.FieldView;
10 import net.sourceforge.formview.LabelValue;
11 import net.sourceforge.formview.util.FormulaUtil;
12
13
23 public class BaseElement {
24
25 private String name;
26
27 private String insertBeforeElement;
28 private String insertAfterElement;
29 private String replaceElement;
30
31
32 private List lInsertAttribute = null;
33
34 private List lForEach = null;
35 private List lIf = null;
36
37 public String getName() {
38 return name;
39 }
40 public void setName(String name) {
41 this.name = name;
42 }
43 public String getInsertAfterElement() {
44 return insertAfterElement;
45 }
46 public void setInsertAfterElement(String insertAfterElement) {
47 this.insertAfterElement = insertAfterElement;
48 }
49 public String getInsertBeforeElement() {
50 return insertBeforeElement;
51 }
52 public void setInsertBeforeElement(String insertBeforeElement) {
53 this.insertBeforeElement = insertBeforeElement;
54 }
55 public String getReplaceElement() {
56 return replaceElement;
57 }
58 public void setReplaceElement(String replaceElement) {
59 this.replaceElement = replaceElement;
60 }
61
62 public void addInsertAttribute(Attribute attribute) {
63 if (lInsertAttribute == null)
64 lInsertAttribute = new ArrayList ();
65 lInsertAttribute.add(attribute);
66 }
67
68
69
70 public List getInsertAttributeList() {
71 return lInsertAttribute;
72 }
73
74 public void addIf(If testIf) {
75 if (lIf == null)
76 lIf = new ArrayList ();
77 lIf.add(testIf);
78 }
79
80 public void addForEach(ForEach forEach) {
81 if (lForEach == null)
82 lForEach = new ArrayList ();
83 lForEach.add(forEach);
84 }
85
86 public List getForEachList() {
87 return lForEach;
88 }
89
90 public String toString() {
91 StringBuffer results = new StringBuffer ();
92 results.append("\t\tname = " + name + "\n");
93 results.append("\t\tinsertBeforeElement = " + insertBeforeElement + "\n");
94 results.append("\t\tinsertAfterElement = " + insertAfterElement + "\n");
95 results.append("\t\treplaceElement = " + replaceElement + "\n");
96 if (lInsertAttribute != null) {
97 for (Iterator iter = lInsertAttribute.iterator(); iter.hasNext();) {
98 results.append("\t\tinsertAttribute : \n");
99 results.append(iter.next());
100 }
101 }
102 if (lIf != null) {
103 for (Iterator iter = lIf.iterator(); iter.hasNext();) {
104 results.append("\t\tif : \n");
105 results.append(iter.next());
106 }
107 }
108 if (lForEach != null) {
109 for (Iterator iter = lForEach.iterator(); iter.hasNext();) {
110 results.append("\t\tforEach : \n");
111 results.append(iter.next());
112 }
113 }
114 return results.toString();
115 }
116
117 public void processHTML(FieldView field, String defaultBehaviour, Map contextValuesMap, StringBuffer htmlContentToInsertBefore, StringBuffer htmlContentToInsertAfter, StringBuffer htmlContentToReplace, Map attributeMap) {
118 if (lIf != null) {
119 If elementToExecute = null;
121 for (Iterator iter = lIf.iterator(); iter.hasNext();) {
122 If elementIf = (If) iter.next();
123 if (FormulaUtil.executeCondition(elementIf.getTest() ,attributeMap)) {
124 elementToExecute = elementIf;
125 break;
126 }
127 }
128 if (elementToExecute != null) {
129 List forEachList = elementToExecute.getForEachList();
131 if (forEachList != null) {
132 for (Iterator iter = forEachList.iterator(); iter.hasNext();) {
133 ForEach elementForEach = (ForEach) iter.next();
134
135 String items = elementForEach.getItems();
136 String var = elementForEach.getVar();
137
138 List itemsList = (List )contextValuesMap.get(items);
139 if (itemsList != null) {
140 for (Iterator iterator = itemsList.iterator(); iterator
141 .hasNext();) {
142 LabelValue elementItem = (LabelValue) iterator.next();
143 String value = elementItem.getValue();
144 String label = elementItem.getLabel();
145
146 String optionContextValue = "${" + var + ".value}";
147 String optionContextLabel = "${" + var + ".label}";
148
149 Map itemContextValuesMap = new HashMap (contextValuesMap);
150 itemContextValuesMap.put(optionContextValue, value);
151 itemContextValuesMap.put(optionContextLabel, label);
152
153 processHTML(itemContextValuesMap, htmlContentToInsertBefore, htmlContentToInsertAfter, htmlContentToReplace, attributeMap,
154 elementForEach);
155 }
156
157 }
158
159
160 }
161 }
162
163
164 processHTML(contextValuesMap, htmlContentToInsertBefore, htmlContentToInsertAfter, htmlContentToReplace, attributeMap,
165 elementToExecute);
166 }
167 }
168 else {processHTML(contextValuesMap, htmlContentToInsertBefore, htmlContentToInsertAfter, htmlContentToReplace, attributeMap,
169 this);
170 }
171 }
172
173
174 private void processHTML(Map contextValuesMap, StringBuffer htmlContentToInsertBefore,
175 StringBuffer htmlContentToInsertAfter, StringBuffer htmlContentToReplace, Map attributeMap,
176 BaseElement element) {
177 String insertBeforeElement = element.getInsertBeforeElement();
179 String insertAfterElement = element.getInsertAfterElement();
180 String replaceElement =element.getReplaceElement();
181 List lInsertAttribute = element.getInsertAttributeList();
182 if (insertBeforeElement != null) {
183 String htmlContent = replaceKeyWithContextValue(insertBeforeElement, contextValuesMap);
184 htmlContentToInsertBefore.append(htmlContent);
185 }
186 if (insertAfterElement != null) {
187 String htmlContent = replaceKeyWithContextValue(insertAfterElement, contextValuesMap);
188 htmlContentToInsertAfter.append(htmlContent);
189 }
190 if (replaceElement != null) {
191 String htmlContent = replaceKeyWithContextValue(replaceElement, contextValuesMap);
192 htmlContentToReplace.append(htmlContent);
193 }
194 if (lInsertAttribute != null) {
196 for (Iterator iter = lInsertAttribute.iterator(); iter.hasNext();) {
197 Attribute attribute = (Attribute) iter.next();
198 String attributeName = attribute.getName();
199 if (attributeMap.get(attributeName) == null) {
200 String attributeValue = replaceKeyWithContextValue(attribute.getValue(), contextValuesMap);
201 attributeMap.put(attributeName, attributeValue);
203 }
204
205 }
206 }
207 }
208
209
210 private String replaceKeyWithContextValue(String htmlContent, Map contextValuesMap) {
211 if (htmlContent.indexOf("${") == -1) {
213 return htmlContent;
215 }
216 for (Iterator iter = contextValuesMap.keySet().iterator(); iter.hasNext();) {
218 String key = (String ) iter.next();
219 Object o = contextValuesMap.get(key);
220 if (o instanceof String ) {
221 String value = (String )contextValuesMap.get(key);
222 htmlContent = replace(htmlContent, key, value);
223 }
224 }
225 return htmlContent;
226 }
227
228 private String replace(
229 String value,
230 String key,
231 String replaceValue) {
232
233 if (value == null || key == null || replaceValue == null) {
234 return value;
235 }
236
237 int pos = value.indexOf(key);
238
239 if (pos < 0) {
240 return value;
241 }
242
243 int length = value.length();
244 int start = pos;
245 int end = pos + key.length();
246
247 if (length == key.length()) {
248 value = replaceValue;
249
250 } else if (end == length) {
251 value = value.substring(0, start) + replaceValue;
252
253 } else {
254 value =
255 value.substring(0, start)
256 + replaceValue
257 + replace(value.substring(end), key, replaceValue);
258 }
259
260 return value;
261 }
262
263
264
265 }
266 |
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