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47
48 package com.lowagie.text.pdf;
49 import java.util.ArrayList  ;
50 import java.util.Iterator ;
51
52 import com.lowagie.text.Rectangle;
53
54
58 public class PdfFormField extends PdfAnnotation {
59
60 public static final int FF_READ_ONLY = 1;
61 public static final int FF_REQUIRED = 2;
62 public static final int FF_NO_EXPORT = 4;
63 public static final int FF_NO_TOGGLE_TO_OFF = 16384;
64 public static final int FF_RADIO = 32768;
65 public static final int FF_PUSHBUTTON = 65536;
66 public static final int FF_MULTILINE = 4096;
67 public static final int FF_PASSWORD = 8192;
68 public static final int FF_COMBO = 131072;
69 public static final int FF_EDIT = 262144;
70 public static final int FF_FILESELECT = 1048576;
71 public static final int FF_MULTISELECT = 2097152;
72 public static final int FF_DONOTSPELLCHECK = 4194304;
73 public static final int FF_DONOTSCROLL = 8388608;
74 public static final int FF_COMB = 16777216;
75 public static final int FF_RADIOSINUNISON = 1 << 25;
76 public static final int Q_LEFT = 0;
77 public static final int Q_CENTER = 1;
78 public static final int Q_RIGHT = 2;
79 public static final int MK_NO_ICON = 0;
80 public static final int MK_NO_CAPTION = 1;
81 public static final int MK_CAPTION_BELOW = 2;
82 public static final int MK_CAPTION_ABOVE = 3;
83 public static final int MK_CAPTION_RIGHT = 4;
84 public static final int MK_CAPTION_LEFT = 5;
85 public static final int MK_CAPTION_OVERLAID = 6;
86 public static final PdfName IF_SCALE_ALWAYS = PdfName.A;
87 public static final PdfName IF_SCALE_BIGGER = PdfName.B;
88 public static final PdfName IF_SCALE_SMALLER = PdfName.S;
89 public static final PdfName IF_SCALE_NEVER = PdfName.N;
90 public static final PdfName IF_SCALE_ANAMORPHIC = PdfName.A;
91 public static final PdfName IF_SCALE_PROPORTIONAL = PdfName.P;
92 public static final boolean MULTILINE = true;
93 public static final boolean SINGLELINE = false;
94 public static final boolean PLAINTEXT = false;
95 public static final boolean PASSWORD = true;
96 static PdfName mergeTarget[] = {PdfName.FONT, PdfName.XOBJECT, PdfName.COLORSPACE, PdfName.PATTERN};
97
98
99 protected PdfFormField parent;
100
101 protected ArrayList kids;
102
103
106
107 public PdfFormField(PdfWriter writer, float llx, float lly, float urx, float ury, PdfAction action) {
108 super(writer, llx, lly, urx, ury, action);
109 put(PdfName.TYPE, PdfName.ANNOT);
110 put(PdfName.SUBTYPE, PdfName.WIDGET);
111 annotation = true;
112 }
113
114
115 protected PdfFormField(PdfWriter writer) {
116 super(writer, null);
117 form = true;
118 annotation = false;
119 }
120
121 public void setWidget(Rectangle rect, PdfName highlight) {
122 put(PdfName.TYPE, PdfName.ANNOT);
123 put(PdfName.SUBTYPE, PdfName.WIDGET);
124 put(PdfName.RECT, new PdfRectangle(rect));
125 annotation = true;
126 if (highlight != null && !highlight.equals(HIGHLIGHT_INVERT))
127 put(PdfName.H, highlight);
128 }
129
130 public static PdfFormField createEmpty(PdfWriter writer) {
131 PdfFormField field = new PdfFormField(writer);
132 return field;
133 }
134
135 public void setButton(int flags) {
136 put(PdfName.FT, PdfName.BTN);
137 if (flags != 0)
138 put(PdfName.FF, new PdfNumber(flags));
139 }
140
141 protected static PdfFormField createButton(PdfWriter writer, int flags) {
142 PdfFormField field = new PdfFormField(writer);
143 field.setButton(flags);
144 return field;
145 }
146
147 public static PdfFormField createPushButton(PdfWriter writer) {
148 return createButton(writer, FF_PUSHBUTTON);
149 }
150
151 public static PdfFormField createCheckBox(PdfWriter writer) {
152 return createButton(writer, 0);
153 }
154
155 public static PdfFormField createRadioButton(PdfWriter writer, boolean noToggleToOff) {
156 return createButton(writer, FF_RADIO + (noToggleToOff ? FF_NO_TOGGLE_TO_OFF : 0));
157 }
158
159 public static PdfFormField createTextField(PdfWriter writer, boolean multiline, boolean password, int maxLen) {
160 PdfFormField field = new PdfFormField(writer);
161 field.put(PdfName.FT, PdfName.TX);
162 int flags = (multiline ? FF_MULTILINE : 0);
163 flags += (password ? FF_PASSWORD : 0);
164 field.put(PdfName.FF, new PdfNumber(flags));
165 if (maxLen > 0)
166 field.put(PdfName.MAXLEN, new PdfNumber(maxLen));
167 return field;
168 }
169
170 protected static PdfFormField createChoice(PdfWriter writer, int flags, PdfArray options, int topIndex) {
171 PdfFormField field = new PdfFormField(writer);
172 field.put(PdfName.FT, PdfName.CH);
173 field.put(PdfName.FF, new PdfNumber(flags));
174 field.put(PdfName.OPT, options);
175 if (topIndex > 0)
176 field.put(PdfName.TI, new PdfNumber(topIndex));
177 return field;
178 }
179
180 public static PdfFormField createList(PdfWriter writer, String options[], int topIndex) {
181 return createChoice(writer, 0, processOptions(options), topIndex);
182 }
183
184 public static PdfFormField createList(PdfWriter writer, String options[][], int topIndex) {
185 return createChoice(writer, 0, processOptions(options), topIndex);
186 }
187
188 public static PdfFormField createCombo(PdfWriter writer, boolean edit, String options[], int topIndex) {
189 return createChoice(writer, FF_COMBO + (edit ? FF_EDIT : 0), processOptions(options), topIndex);
190 }
191
192 public static PdfFormField createCombo(PdfWriter writer, boolean edit, String options[][], int topIndex) {
193 return createChoice(writer, FF_COMBO + (edit ? FF_EDIT : 0), processOptions(options), topIndex);
194 }
195
196 protected static PdfArray processOptions(String options[]) {
197 PdfArray array = new PdfArray();
198 for (int k = 0; k < options.length; ++k) {
199 array.add(new PdfString(options[k], PdfObject.TEXT_UNICODE));
200 }
201 return array;
202 }
203
204 protected static PdfArray processOptions(String options[][]) {
205 PdfArray array = new PdfArray();
206 for (int k = 0; k < options.length; ++k) {
207 String subOption[] = options[k];
208 PdfArray ar2 = new PdfArray(new PdfString(subOption[0], PdfObject.TEXT_UNICODE));
209 ar2.add(new PdfString(subOption[1], PdfObject.TEXT_UNICODE));
210 array.add(ar2);
211 }
212 return array;
213 }
214
215 public static PdfFormField createSignature(PdfWriter writer) {
216 PdfFormField field = new PdfFormField(writer);
217 field.put(PdfName.FT, PdfName.SIG);
218 return field;
219 }
220
221
224 public PdfFormField getParent() {
225 return parent;
226 }
227
228 public void addKid(PdfFormField field) {
229 field.parent = this;
230 if (kids == null)
231 kids = new ArrayList ();
232 kids.add(field);
233 }
234
235 public ArrayList getKids() {
236 return kids;
237 }
238
239 public int setFieldFlags(int flags) {
240 PdfNumber obj = (PdfNumber)get(PdfName.FF);
241 int old;
242 if (obj == null)
243 old = 0;
244 else
245 old = obj.intValue();
246 int v = old | flags;
247 put(PdfName.FF, new PdfNumber(v));
248 return old;
249 }
250
251 public void setValueAsString(String s) {
252 put(PdfName.V, new PdfString(s, PdfObject.TEXT_UNICODE));
253 }
254
255 public void setValueAsName(String s) {
256 put(PdfName.V, new PdfName(s));
257 }
258
259 public void setValue(PdfSignature sig) {
260 put(PdfName.V, sig);
261 }
262
263 public void setDefaultValueAsString(String s) {
264 put(PdfName.DV, new PdfString(s, PdfObject.TEXT_UNICODE));
265 }
266
267 public void setDefaultValueAsName(String s) {
268 put(PdfName.DV, new PdfName(s));
269 }
270
271 public void setFieldName(String s) {
272 if (s != null)
273 put(PdfName.T, new PdfString(s, PdfObject.TEXT_UNICODE));
274 }
275
276 public void setUserName(String s) {
277 put(PdfName.TU, new PdfString(s, PdfObject.TEXT_UNICODE));
278 }
279
280 public void setMappingName(String s) {
281 put(PdfName.TM, new PdfString(s, PdfObject.TEXT_UNICODE));
282 }
283
284 public void setQuadding(int v) {
285 put(PdfName.Q, new PdfNumber(v));
286 }
287
288 static void mergeResources(PdfDictionary result, PdfDictionary source, PdfStamperImp writer) {
289 PdfDictionary dic = null;
290 PdfDictionary res = null;
291 PdfName target = null;
292 for (int k = 0; k < mergeTarget.length; ++k) {
293 target = mergeTarget[k];
294 PdfDictionary pdfDict = (PdfDictionary)PdfReader.getPdfObject(source.get(target));
295 if ((dic = pdfDict) != null) {
296 if ((res = (PdfDictionary)PdfReader.getPdfObject(result.get(target), result)) == null) {
297 res = new PdfDictionary();
298 }
299 res.mergeDifferent(dic);
300 result.put(target, res);
301 if (writer != null)
302 writer.markUsed(res);
303 }
304 }
305 }
306
307 static void mergeResources(PdfDictionary result, PdfDictionary source) {
308 mergeResources(result, source, null);
309 }
310
311 public void setUsed() {
312 used = true;
313 if (parent != null)
314 put(PdfName.PARENT, parent.getIndirectReference());
315 if (kids != null) {
316 PdfArray array = new PdfArray();
317 for (int k = 0; k < kids.size(); ++k)
318 array.add(((PdfFormField)kids.get(k)).getIndirectReference());
319 put(PdfName.KIDS, array);
320 }
321 if (templates == null)
322 return;
323 PdfDictionary dic = new PdfDictionary();
324 for (Iterator it = templates.keySet().iterator(); it.hasNext();) {
325 PdfTemplate template = (PdfTemplate)it.next();
326 mergeResources(dic, (PdfDictionary)template.getResources());
327 }
328 put(PdfName.DR, dic);
329 }
330
331 public static PdfAnnotation shallowDuplicate(PdfAnnotation annot) {
332 PdfAnnotation dup;
333 if (annot.isForm()) {
334 dup = new PdfFormField(annot.writer);
335 PdfFormField dupField = (PdfFormField)dup;
336 PdfFormField srcField = (PdfFormField)annot;
337 dupField.parent = srcField.parent;
338 dupField.kids = srcField.kids;
339 }
340 else
341 dup = new PdfAnnotation(annot.writer, null);
342 dup.merge(annot);
343 dup.form = annot.form;
344 dup.annotation = annot.annotation;
345 dup.templates = annot.templates;
346 return dup;
347 }
348 }
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