|
1
49
50 package com.lowagie.text.pdf.internal;
51
52 import java.io.IOException  ;
53 import java.net.URL ;
54 import java.util.ArrayList ;
55 import java.util.HashMap ;
56
57 import com.lowagie.text.Annotation;
58 import com.lowagie.text.ExceptionConverter;
59 import com.lowagie.text.Rectangle;
60 import com.lowagie.text.pdf.PdfAcroForm;
61 import com.lowagie.text.pdf.PdfAction;
62 import com.lowagie.text.pdf.PdfAnnotation;
63 import com.lowagie.text.pdf.PdfArray;
64 import com.lowagie.text.pdf.PdfFileSpecification;
65 import com.lowagie.text.pdf.PdfFormField;
66 import com.lowagie.text.pdf.PdfName;
67 import com.lowagie.text.pdf.PdfObject;
68 import com.lowagie.text.pdf.PdfRectangle;
69 import com.lowagie.text.pdf.PdfString;
70 import com.lowagie.text.pdf.PdfWriter;
71
72 public class PdfAnnotationsImp {
73
74
77 protected PdfAcroForm acroForm;
78
79
83 protected ArrayList annotations;
84
85
89 protected ArrayList delayedAnnotations = new ArrayList ();
90
91
92 public PdfAnnotationsImp(PdfWriter writer) {
93 acroForm = new PdfAcroForm(writer);
94 }
95
96
99 public boolean hasValidAcroForm() {
100 return acroForm.isValid();
101 }
102
103
107 public PdfAcroForm getAcroForm() {
108 return acroForm;
109 }
110
111 public void setSigFlags(int f) {
112 acroForm.setSigFlags(f);
113 }
114
115 public void addCalculationOrder(PdfFormField formField) {
116 acroForm.addCalculationOrder(formField);
117 }
118
119 public void addAnnotation(PdfAnnotation annot) {
120 if (annot.isForm()) {
121 PdfFormField field = (PdfFormField)annot;
122 if (field.getParent() == null)
123 addFormFieldRaw(field);
124 }
125 else
126 annotations.add(annot);
127 }
128
129 public void addPlainAnnotation(PdfAnnotation annot) {
130 annotations.add(annot);
131 }
132
133 void addFormFieldRaw(PdfFormField field) {
134 annotations.add(field);
135 ArrayList kids = field.getKids();
136 if (kids != null) {
137 for (int k = 0; k < kids.size(); ++k)
138 addFormFieldRaw((PdfFormField)kids.get(k));
139 }
140 }
141
142 public boolean hasUnusedAnnotations() {
143 return !annotations.isEmpty();
144 }
145
146 public void resetAnnotations() {
147 annotations = delayedAnnotations;
148 delayedAnnotations = new ArrayList ();
149 }
150
151 public PdfArray rotateAnnotations(PdfWriter writer, Rectangle pageSize) {
152 PdfArray array = new PdfArray();
153 int rotation = pageSize.getRotation() % 360;
154 int currentPage = writer.getCurrentPageNumber();
155 for (int k = 0; k < annotations.size(); ++k) {
156 PdfAnnotation dic = (PdfAnnotation)annotations.get(k);
157 int page = dic.getPlaceInPage();
158 if (page > currentPage) {
159 delayedAnnotations.add(dic);
160 continue;
161 }
162 if (dic.isForm()) {
163 if (!dic.isUsed()) {
164 HashMap templates = dic.getTemplates();
165 if (templates != null)
166 acroForm.addFieldTemplates(templates);
167 }
168 PdfFormField field = (PdfFormField)dic;
169 if (field.getParent() == null)
170 acroForm.addDocumentField(field.getIndirectReference());
171 }
172 if (dic.isAnnotation()) {
173 array.add(dic.getIndirectReference());
174 if (!dic.isUsed()) {
175 PdfRectangle rect = (PdfRectangle)dic.get(PdfName.RECT);
176 if (rect != null) {
177 switch (rotation) {
178 case 90:
179 dic.put(PdfName.RECT, new PdfRectangle(
180 pageSize.getTop() - rect.bottom(),
181 rect.left(),
182 pageSize.getTop() - rect.top(),
183 rect.right()));
184 break;
185 case 180:
186 dic.put(PdfName.RECT, new PdfRectangle(
187 pageSize.getRight() - rect.left(),
188 pageSize.getTop() - rect.bottom(),
189 pageSize.getRight() - rect.right(),
190 pageSize.getTop() - rect.top()));
191 break;
192 case 270:
193 dic.put(PdfName.RECT, new PdfRectangle(
194 rect.bottom(),
195 pageSize.getRight() - rect.left(),
196 rect.top(),
197 pageSize.getRight() - rect.right()));
198 break;
199 }
200 }
201 }
202 }
203 if (!dic.isUsed()) {
204 dic.setUsed();
205 try {
206 writer.addToBody(dic, dic.getIndirectReference());
207 }
208 catch (IOException e) {
209 throw new ExceptionConverter(e);
210 }
211 }
212 }
213 return array;
214 }
215
216 public static PdfAnnotation convertAnnotation(PdfWriter writer, Annotation annot, Rectangle defaultRect) throws IOException {
217 switch(annot.annotationType()) {
218 case Annotation.URL_NET:
219 return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((URL ) annot.attributes().get(Annotation.URL)));
220 case Annotation.URL_AS_STRING:
221 return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((String ) annot.attributes().get(Annotation.FILE)));
222 case Annotation.FILE_DEST:
223 return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((String ) annot.attributes().get(Annotation.FILE), (String ) annot.attributes().get(Annotation.DESTINATION)));
224 case Annotation.SCREEN:
225 boolean sparams[] = (boolean[])annot.attributes().get(Annotation.PARAMETERS);
226 String fname = (String ) annot.attributes().get(Annotation.FILE);
227 String mimetype = (String ) annot.attributes().get(Annotation.MIMETYPE);
228 PdfFileSpecification fs;
229 if (sparams[0])
230 fs = PdfFileSpecification.fileEmbedded(writer, fname, fname, null);
231 else
232 fs = PdfFileSpecification.fileExtern(writer, fname);
233 PdfAnnotation ann = PdfAnnotation.createScreen(writer, new Rectangle(annot.llx(), annot.lly(), annot.urx(), annot.ury()),
234 fname, fs, mimetype, sparams[1]);
235 return ann;
236 case Annotation.FILE_PAGE:
237 return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((String ) annot.attributes().get(Annotation.FILE), ((Integer ) annot.attributes().get(Annotation.PAGE)).intValue()));
238 case Annotation.NAMED_DEST:
239 return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction(((Integer ) annot.attributes().get(Annotation.NAMED)).intValue()));
240 case Annotation.LAUNCH:
241 return new PdfAnnotation(writer, annot.llx(), annot.lly(), annot.urx(), annot.ury(), new PdfAction((String ) annot.attributes().get(Annotation.APPLICATION),(String ) annot.attributes().get(Annotation.PARAMETERS),(String ) annot.attributes().get(Annotation.OPERATION),(String ) annot.attributes().get(Annotation.DEFAULTDIR)));
242 default:
243 return new PdfAnnotation(writer, defaultRect.getLeft(), defaultRect.getBottom(), defaultRect.getRight(), defaultRect.getTop(), new PdfString(annot.title(), PdfObject.TEXT_UNICODE), new PdfString(annot.content(), PdfObject.TEXT_UNICODE));
244 }
245 }
246 }
247 |
Popular Tags |
Java API By Example, From Geeks To Geeks.