source: main/trunk/greenstone3/src/java/org/greenstone/gsdl3/service/MapRetrieve.java@ 25635

Last change on this file since 25635 was 25635, checked in by sjm84, 12 years ago

Fixing Greenstone 3's use (or lack thereof) of generics, this was done automatically so we may want to change it over time. This change will also auto-format any files that have not already been formatted.
  • Property svn:keywords set to Author Date Id Revision
File size: 35.5 KB
Line 
1package org.greenstone.gsdl3.service;
2
3// Greenstone classes
4import org.greenstone.gsdl3.util.*;
5
6// XML classes
7import org.w3c.dom.Document;
8import org.w3c.dom.Element;
9import org.w3c.dom.NodeList;
10
11// General Java classes
12import java.io.*;
13import java.util.StringTokenizer;
14import java.util.Vector;
15import java.util.Set;
16import java.util.Iterator;
17import java.lang.reflect.Array;
18import java.util.Arrays;
19import java.util.ArrayList;
20import java.util.LinkedList;
21import javax.swing.tree.DefaultMutableTreeNode;
22
23import org.apache.log4j.*;
24
25public class MapRetrieve
26 extends ServiceRack {
27
28 static Logger logger = Logger.getLogger(org.greenstone.gsdl3.service.MapRetrieve.class.getName());
29
30 // the services on offer
31 protected static final String DOCUMENT_STRUCTURE_RETRIEVE_SERVICE = "DocumentStructureRetrieve";
32 protected static final String DOCUMENT_METADATA_RETRIEVE_SERVICE = "DocumentMetadataRetrieve";
33 protected static final String DOCUMENT_CONTENT_RETRIEVE_SERVICE = "DocumentContentRetrieve";
34
35 protected static final int DOCUMENT=1;
36
37 protected ArrayList<String> index_name_list = null;
38 protected ArrayList<String> index_display_list = null;
39 protected String files_home_dir = null;
40 protected String temp_files_dir = null;
41 //protected String temp_image_file = null;
42 //protected String temp_image_file2 = null;
43 protected final String jpg_ext = ".jpg";
44 protected String http_image_dir = null;
45 protected String http_temp_image_dir = null;
46 private LinkedList<String> namesInList = new LinkedList<String>();
47
48 private DefaultMutableTreeNode tree;
49
50 /** constructor */
51 public MapRetrieve() {}
52
53
54 /** configure this service */
55 public boolean configure(Element info, Element extra_info)
56 {
57 if (!super.configure(info, extra_info)){
58 return false;
59 }
60
61 logger.info("Configuring MapRetrieve...");
62 this.config_info = info;
63
64 // set up short_service_info_ - for now just has name and type
65 Element dmr_service = doc.createElement(GSXML.SERVICE_ELEM);
66 dmr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
67 dmr_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_METADATA_RETRIEVE_SERVICE);
68 short_service_info.appendChild(dmr_service);
69
70 Element dcr_service = doc.createElement(GSXML.SERVICE_ELEM);
71 dcr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
72 dcr_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_CONTENT_RETRIEVE_SERVICE);
73 short_service_info.appendChild(dcr_service);
74
75 Element dsr_service = doc.createElement(GSXML.SERVICE_ELEM);
76 dsr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
77 dsr_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_STRUCTURE_RETRIEVE_SERVICE);
78 short_service_info.appendChild(dsr_service);
79
80 // set the files_home variable for this collection
81 this.files_home_dir = GSFile.collectionIndexDir(this.site_home, this.cluster_name)+ File.separator+"assoc"+File.separator;
82 this.temp_files_dir = GSFile.collectionBaseDir(this.site_home, this.cluster_name) + File.separator + "temp"+File.separator;
83
84 //this.files_home_dir + "maps" + File.separator + "temp" + File.separator;
85 //this.temp_image_file = this.temp_files_dir+"temp_";
86 //this.temp_image_file2 = this.temp_files_dir+"temp2_";
87
88
89 this.http_image_dir = this.site_http_address + "/collect/"+this.cluster_name+"/index/assoc/maps/";
90 this.http_temp_image_dir = this.site_http_address + "/collect/"+this.cluster_name+"/temp/";
91
92 this.index_name_list = new ArrayList<String>();
93 this.index_display_list = new ArrayList<String>();
94 Element index_list = (Element)GSXML.getChildByTagName(this.config_info, GSXML.INDEX_ELEM+GSXML.LIST_MODIFIER);
95 Element display_index_list = (Element)GSXML.getChildByTagName(extra_info, "search");
96 if (index_list != null && display_index_list != null) {
97 NodeList indexes = index_list.getElementsByTagName(GSXML.INDEX_ELEM);
98 for (int i=0; i<indexes.getLength(); i++) {
99 String name = ((Element)indexes.item(i)).getAttribute(GSXML.NAME_ATT);
100 // add the index name
101 this.index_name_list.add(name);
102 // now look for the display name
103 Element this_index = GSXML.getNamedElement(display_index_list, "index", "name", name);
104 if (this_index != null) {
105 Element disp = GSXML.getNamedElement(this_index, "displayItem", "name", "name");
106 if (disp != null) {
107 String display = GSXML.getNodeText(disp);
108 if (!display.equals("")) {
109 this.index_display_list.add(display);
110 continue;
111 }
112
113 }
114 }
115 // add the id as default text
116 this.index_display_list.add(name);
117
118 }
119 }
120
121 // look for document display format
122 String path = GSPath.appendLink(GSXML.DISPLAY_ELEM, GSXML.FORMAT_ELEM);
123 Element display_format = (Element)GSXML.getNodeByPath(extra_info, path);
124 if (display_format != null) {
125 this.format_info_map.put(DOCUMENT_CONTENT_RETRIEVE_SERVICE, this.doc.importNode(display_format, true));
126 // shoudl we make a copy?
127 }
128
129 // load the 2-dimensional tree for searching
130 try{
131 ObjectInputStream objectin = new ObjectInputStream(new FileInputStream(this.files_home_dir+"nametree.dat"));
132 tree = (DefaultMutableTreeNode)objectin.readObject();
133 objectin.close();
134 }catch(IOException ioe){
135 ioe.printStackTrace();
136 }catch(ClassNotFoundException cnfe){
137 cnfe.printStackTrace();
138 }
139
140
141 return true;
142 }
143
144 /** */
145 protected Element getServiceDescription(String service, String lang, String subset)
146 {
147 if (service.equals(DOCUMENT_STRUCTURE_RETRIEVE_SERVICE)) {
148
149 Element tq_service = doc.createElement(GSXML.SERVICE_ELEM);
150 tq_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_QUERY);
151 tq_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_STRUCTURE_RETRIEVE_SERVICE);
152 return tq_service;
153 }
154 else if (service.equals(DOCUMENT_METADATA_RETRIEVE_SERVICE)) {
155
156 Element tq_service = doc.createElement(GSXML.SERVICE_ELEM);
157 tq_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_QUERY);
158 tq_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_METADATA_RETRIEVE_SERVICE);
159 return tq_service;
160 }
161 else if (service.equals(DOCUMENT_CONTENT_RETRIEVE_SERVICE)) {
162
163 Element tq_service = doc.createElement(GSXML.SERVICE_ELEM);
164 tq_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_QUERY);
165 tq_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_CONTENT_RETRIEVE_SERVICE);
166 return tq_service;
167 }
168
169 return null;
170
171 }
172
173 /** Retrieve the structure of a document */
174 protected Element processDocumentStructureRetrieve(Element request)
175 {
176 // Create a new (empty) result message
177 Element result = doc.createElement(GSXML.RESPONSE_ELEM);
178 return result;
179 }
180
181 protected Element processDocumentMetadataRetrieve(Element request) {
182 // Create a new (empty) result message
183 try{
184 Element result = this.doc.createElement(GSXML.RESPONSE_ELEM);
185
186 String uid = request.getAttribute(GSXML.USER_ID_ATT);
187 if (uid.equals("")) {
188 logger.info("in metadata retrieve, uid = ''\n"+converter.getPrettyString(request));
189 }
190 result.setAttribute(GSXML.FROM_ATT, DOCUMENT_METADATA_RETRIEVE_SERVICE);
191 result.setAttribute(GSXML.TYPE_ATT, GSXML.REQUEST_TYPE_PROCESS);
192
193 // Get the parameters of the request
194 Element param_list = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
195 if (param_list == null) {
196 logger.error("missing paramList.\n");
197 return result; // Return the empty result
198 }
199
200 // The metadata information required
201 Vector<String> metadata_list = new Vector<String>();
202 boolean all_metadata = false;
203 // Process the request parameters
204 Element param = GSXML.getFirstElementChild(param_list);//(Element) param_list.getFirstChild();
205
206 while (param != null) {
207 // Identify the metadata information desired
208 if (param.getAttribute(GSXML.NAME_ATT).equals("metadata")) {
209 String metadata = GSXML.getValue(param);
210 if (metadata.equals("all")) {
211 all_metadata = true;
212 break;
213 }
214 metadata_list.add(metadata);
215 }
216 param = (Element) param.getNextSibling();
217 }
218
219 Element node_list = this.doc.createElement(GSXML.DOC_NODE_ELEM+GSXML.LIST_MODIFIER);
220 result.appendChild(node_list);
221
222 // Get the documents
223 Element request_node_list = (Element) GSXML.getChildByTagName(request, GSXML.DOC_NODE_ELEM+GSXML.LIST_MODIFIER);
224 if (request_node_list == null) {
225 logger.error(" DocumentMetadataRetrieve request had no "+GSXML.DOC_NODE_ELEM+GSXML.LIST_MODIFIER);
226 return result;
227 }
228
229 NodeList request_nodes = request_node_list.getChildNodes();
230
231 try{
232 //used just to ensure outfile is initialised
233 BufferedWriter outfile = new BufferedWriter(new FileWriter(this.temp_files_dir+"emptynothingness"));
234
235 for (int i = 0; i < request_nodes.getLength(); i++) {
236 Element request_node = (Element) request_nodes.item(i);
237 String node_id = request_node.getAttribute(GSXML.NODE_ID_ATT);
238 String place_data = "";
239 String year = "";
240 String coOrdinates = "";
241 String thumb = "";
242 String link = "";
243 int mapFreq = 0;
244 LinkedList place_data_list = new LinkedList();
245 LinkedList coOrdinates_list = new LinkedList();
246
247 //if this is a first displaying of the map
248 if(node_id.indexOf("```") != -1 && node_id.indexOf("imageChooser") == -1){
249 //get the number of query terms on this map
250 mapFreq = Integer.parseInt(node_id.substring(node_id.lastIndexOf('`',node_id.indexOf("```")-1)+1,node_id.indexOf("```")));
251 //get the place names on this map
252 place_data = node_id.substring(node_id.indexOf("```")+3,node_id.length());
253 //get the map metadata
254 node_id = node_id.substring(0,node_id.indexOf('`',node_id.indexOf("```")));
255
256 try{
257 // loop for each query term on the map
258 for(int r=0; r<mapFreq; r++){
259 // get title, type, location, and the string for creating the hyperlink for this query term
260 String title = place_data.substring(0,place_data.indexOf('`'));
261 String type = place_data.substring(place_data.indexOf('`')+1,place_data.indexOf('`',place_data.indexOf('`')+1));
262 String location = place_data.substring(place_data.indexOf('`',place_data.indexOf('`')+1)+1, place_data.indexOf('`',place_data.indexOf('`',place_data.indexOf('`')+1)+1));
263 if(place_data.indexOf("```") != -1)
264 link=place_data.substring(0,place_data.indexOf("```"));
265 else
266 link=place_data;
267 // resolve the type and location
268 type = getType(type);
269 location = getLocation(location);
270 // remove this query term from the string
271 if(place_data.indexOf("```") != -1)
272 place_data = place_data.substring(place_data.indexOf("```")+3,place_data.length());
273
274 //add the co-ordinates of this query term to the co-ordinates list
275 coOrdinates_list.add("`"+link.substring(link.lastIndexOf('`')+1,link.length())+"`"+link.substring(link.lastIndexOf('`',link.lastIndexOf('`')-1)+2,link.lastIndexOf('`')));
276
277 // add the title, type and location to the places list
278 place_data_list.add(title + ", " + type + ", " + location + ";");
279 }
280 }catch(StringIndexOutOfBoundsException sioobe){sioobe.printStackTrace();}
281 }
282
283 // Add the document to the list
284 Element new_node = (Element)this.doc.importNode(request_node, false);
285 node_list.appendChild(new_node);
286
287 // Add the requested metadata information
288 Element node_meta_list = this.doc.createElement(GSXML.METADATA_ELEM+GSXML.LIST_MODIFIER);
289 new_node.appendChild(node_meta_list);
290
291 // create the navigation thumbnails. This doesn't seem to work most of the time ???????
292 for (int m = 0; m < metadata_list.size(); m++) {
293 String metadata = metadata_list.get(m);
294 thumb = "";
295 String value = "";
296 if(node_id.indexOf('.') != -1)
297 thumb = node_id.substring(0,node_id.indexOf('.'));
298 if(node_id.indexOf('`') != -1)
299 value = node_id.substring(node_id.lastIndexOf('`',node_id.lastIndexOf('`')-1)+1,node_id.lastIndexOf('`',node_id.lastIndexOf('`')-1)+5);
300 year = value;
301
302 place_data="";
303 if(place_data_list.size() != 0)
304 for(int q=0; q<mapFreq; q++){
305 link = (String)place_data_list.get(q);
306 if(q!=0){
307 place_data = place_data + "<br>" + link;
308 }
309 else{
310 place_data = link;
311 coOrdinates = "``";
312 }
313 coOrdinates = coOrdinates+(String)coOrdinates_list.get(q);
314 }
315
316 link = "<a href=\"?a=d&c="+this.cluster_name+"&d="+node_id+coOrdinates+"&dt=map\">";
317 thumb = "<img src=\""+this.http_image_dir + thumb + "thumb.jpg\" border=0>";
318 value = "<table><tr><td>"+link+"<p>"+place_data+"<br>"+value+"</a></td><td>"+link+thumb+"</a></td></tr></table>";
319 if(metadata.equals("Title"))
320 if(!(place_data.equals("")) && place_data.indexOf(", , ;")==-1 && node_id.indexOf("```")==-1)
321 GSXML.addMetadata(this.doc, node_meta_list, "Title", value);//metadata, value);
322 else
323 GSXML.addMetadata(this.doc, node_meta_list, metadata, "");
324
325 if(place_data.indexOf(", , ;")==-1){
326 if(i==0)
327 if(!(mapFreq==0)){
328 outfile = new BufferedWriter(new FileWriter(this.temp_files_dir+"links"+uid));
329 outfile.write("<table align=\"center\"><tr>");
330 }
331
332 if(!(mapFreq==0)){
333 if(i%7 == 0)
334 outfile.write("</tr><tr>");
335 outfile.write("<td align=\"center\">"+link+thumb+"</a><br>"+link+year+"</a></td>");
336 }
337
338 if(i == request_nodes.getLength()-1){
339 outfile.write("</tr></table><p>");
340 outfile.flush();
341 outfile.close();
342 }
343 }
344 }
345
346 }
347 }catch(IOException ioe){ioe.printStackTrace();}
348
349 return result;
350 }catch(Exception excep){excep.printStackTrace();}
351 return null;
352
353 }
354
355 protected Element processDocumentContentRetrieve(Element request){
356 // Create a new (empty) result message
357 Element result = doc.createElement(GSXML.RESPONSE_ELEM);
358 result.setAttribute(GSXML.FROM_ATT, DOCUMENT_CONTENT_RETRIEVE_SERVICE);
359 result.setAttribute(GSXML.TYPE_ATT, GSXML.REQUEST_TYPE_PROCESS);
360
361 String uid = request.getAttribute(GSXML.USER_ID_ATT);
362 String temp_image_file = this.temp_files_dir+"temp_"+uid+".jpg";
363 String temp_image_file2 = this.temp_files_dir+"temp_"+uid+"_2.jpg";
364
365 Element query_doc_list = (Element) GSXML.getChildByTagName(request, GSXML.DOC_NODE_ELEM+GSXML.LIST_MODIFIER);
366 if (query_doc_list == null) {
367 logger.error("DocumentContentRetrieve request specified no doc nodes.\n");
368 return result;
369 }
370
371 String legend_file = this.temp_files_dir+"legend_"+uid+".jpg";
372 String blank_file = this.files_home_dir + "blank.jpg";
373 Element doc_list = doc.createElement(GSXML.DOC_NODE_ELEM+GSXML.LIST_MODIFIER);
374 result.appendChild(doc_list);
375
376 // Get the documents
377 String[] doc_ids = GSXML.getAttributeValuesFromList(query_doc_list,
378 GSXML.NODE_ID_ATT);
379
380 for (int i = 0; i < doc_ids.length; i++) {
381 String doc_id = doc_ids[i];
382 // img_num is the name of the map file eg. 072.jpg
383 String img_num = doc_id.substring(0,doc_id.indexOf('.'));
384 // strings for inserting image in html
385 String img_left = "<img border=0 src=\""+this.http_temp_image_dir;
386 String doc_content = "";
387 String co_ordinates = "";
388 String img_size = "";
389 int height = 0;
390 int width = 0;
391 // the number for the legend image if adding locations to the map
392 int leg_num = 0;
393 double ratio = 0;
394
395 // if user has clicked on the map. This does not resolve maps that are not North oriented.
396 if(doc_id.indexOf("imageChooser")==0){
397 try{
398 doc_id = doc_id.substring(doc_id.indexOf('`')+1,doc_id.length());
399 img_num = doc_id.substring(0,doc_id.indexOf('.'));
400
401 // get the map size
402 String get_size[] = {"identify","-size","10000", temp_image_file};
403 Process proc;
404 proc = Runtime.getRuntime().exec(get_size);
405 BufferedReader br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
406 img_size = br.readLine();
407 proc.waitFor();
408 img_size = img_size.substring(img_size.indexOf("JPEG")+5,img_size.indexOf(" ",img_size.indexOf("JPEG")+5));
409 width = Integer.parseInt(img_size.substring(0,img_size.indexOf("x")));
410 height = Integer.parseInt(img_size.substring(img_size.indexOf("x")+1,img_size.length()));
411
412 // scale image size according to the ratio
413 ratio = Double.parseDouble(doc_id.substring(doc_id.lastIndexOf('`',doc_id.indexOf("```")-1)+1,doc_id.indexOf("```")));
414 width = (int)(width*ratio);
415 height = (int)(height*ratio);
416
417 // get the position of the mouse click on the image
418 int xclick = Integer.parseInt(doc_id.substring(doc_id.indexOf("```")+3,doc_id.lastIndexOf('`')));
419 int yclick = Integer.parseInt(doc_id.substring(doc_id.lastIndexOf('`')+1,doc_id.length()));
420 doc_id = doc_id.substring(doc_id.indexOf('`')+1,doc_id.indexOf("```"));
421
422 // convert click position to percentage distance accross and down the image.
423 double xpercent = (xclick*1.0)/width;
424 double ypercent = (yclick*1.0)/height;
425
426 // get the top left and bottom right co-ordinates of the map
427 double ytop = Double.parseDouble(doc_id.substring(0,doc_id.indexOf('`')))*-1;
428 doc_id = doc_id.substring(doc_id.indexOf('`')+1,doc_id.length());
429 double xleft = Double.parseDouble(doc_id.substring(0,doc_id.indexOf('`')));
430 doc_id = doc_id.substring(doc_id.indexOf('`')+1,doc_id.length());
431 double ybot = Double.parseDouble(doc_id.substring(0,doc_id.indexOf('`')))*-1;
432 doc_id = doc_id.substring(doc_id.indexOf('`')+1,doc_id.length());
433 double xright = Double.parseDouble(doc_id.substring(0,doc_id.indexOf('`')));
434 doc_id = doc_id.substring(doc_id.indexOf('`')+1,doc_id.length());
435
436 // calculate the map co-ordinates of the mouse click
437 xpercent = ((xright-xleft)*xpercent)+xleft;
438 ypercent = ((ybot-ytop)*ypercent)+ytop;
439
440 // search the tree for nearby place names
441 namesInList.clear();
442 findName(xpercent, ypercent, 0.1, 0.1, tree, true);
443
444 int namesInArraySize = namesInList.size();
445 String returnNames[]=new String[namesInArraySize];
446
447 //put the names in an array
448 for(int ri=0; namesInList.size()>0; ri++){
449 returnNames[ri]=namesInList.getFirst();
450 returnNames[ri] = returnNames[ri].substring(0,returnNames[ri].indexOf('`'));
451 namesInList.removeFirst();
452 }
453
454 //sort the names
455 Arrays.sort(returnNames);
456 doc_content = "\n<script>\nfunction openIt(loc){\n\topener.location=loc;\n\tself.close();\n}\n</script>";
457 for(int nameIndex=0; nameIndex < namesInArraySize; nameIndex++){
458 String tempName = returnNames[nameIndex];
459 //convert names with spaces for hyperlinks
460 if(returnNames[nameIndex].indexOf(' ') != -1){
461 returnNames[nameIndex] = returnNames[nameIndex].replaceAll(" ","+");
462 returnNames[nameIndex] = "%22"+returnNames[nameIndex]+"%22";
463 }
464 // add the place name to the html
465 doc_content = doc_content+"<a href=\"\" onClick=openIt('?a=q&sa=&rt=r&s=MapQuery&c="+this.cluster_name+"&startPage=1&s1.index=none&s1.maxDocs=10&s1.query="+returnNames[nameIndex]+"')>"+tempName+"</a><br>";
466 }
467
468 }catch(Exception ioexception){ioexception.printStackTrace();}
469 }
470 else{
471
472 try{
473 //file for converting image
474 BufferedWriter bw = new BufferedWriter(new FileWriter(this.temp_files_dir + "add_x_"+uid));;
475 Process proc;
476
477 // if a new search
478 if(doc_id.indexOf("```") != -1){
479 // copy requested map to temp.jpg
480 proc = Runtime.getRuntime().exec("cp "+this.files_home_dir+"maps"+File.separator+img_num+".jpg "+temp_image_file);
481 proc.waitFor();
482 }
483
484 //get the image size
485 String get_size[] = {"identify","-size","10000", temp_image_file};
486 proc = Runtime.getRuntime().exec(get_size);
487 BufferedReader br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
488 img_size = br.readLine();
489 proc.waitFor();
490 img_size = img_size.substring(img_size.indexOf("JPEG")+5,img_size.indexOf(" ",img_size.indexOf("JPEG")+5));
491 if (img_size.indexOf("+")!=-1) {
492 img_size = img_size.substring(0, img_size.indexOf("+"));
493 }
494 width = Integer.parseInt(img_size.substring(0,img_size.indexOf("x")));
495 height = Integer.parseInt(img_size.substring(img_size.indexOf("x")+1,img_size.length()));
496
497 // if a new search
498 if(doc_id.indexOf("```") != -1){
499 co_ordinates = doc_id.substring(doc_id.indexOf("```")+2, doc_id.length());
500 // get the number of places to mark on the map
501 int x_number = Integer.parseInt(doc_id.substring(doc_id.lastIndexOf('`',doc_id.indexOf("```")-1)+1,doc_id.indexOf("```")));
502
503 //write the convert command
504 bw.write("convert -font helvetica -fill red -pointsize 48 ");
505
506 for(int xi=0; xi<x_number; xi++){
507
508 // get the co-ordinates of the place name
509 double xco = Double.parseDouble(co_ordinates.substring(co_ordinates.lastIndexOf('`',co_ordinates.lastIndexOf('`')-1)+1,co_ordinates.lastIndexOf('`',co_ordinates.lastIndexOf('`')-1)+7));
510 double yco = Double.parseDouble(co_ordinates.substring(co_ordinates.lastIndexOf('`')+1,co_ordinates.length()));
511 if(xi != x_number-1)
512 co_ordinates = co_ordinates.substring(0,co_ordinates.lastIndexOf('`',co_ordinates.lastIndexOf('`')-1));
513
514 int index = 0;
515 index = doc_id.indexOf('`')+2;
516
517 // get the zoom ratio and the top left and bottom right co-ordinates of the map
518 ratio = 0.4;
519 double tly = Double.parseDouble(doc_id.substring(index,index+5));
520 index = doc_id.indexOf('`',index)+1;
521 double tlx = Double.parseDouble(doc_id.substring(index,index+6));
522 index = doc_id.indexOf('`',index)+2;
523 double bry = Double.parseDouble(doc_id.substring(index,index+5));
524 index = doc_id.indexOf('`',index)+1;
525 double brx = Double.parseDouble(doc_id.substring(index,index+6));
526 index = doc_id.indexOf('`',index)+1;
527 double orient = Double.parseDouble(doc_id.substring(index,doc_id.indexOf('`',index)));
528
529 // find the centre of the map
530 double xcent = ((brx-tlx)/2)+tlx;
531 double ycent = ((bry-tly)/2)+tly;
532
533 // get the orientation of the map
534 orient = Math.toRadians(orient);
535
536 // rotate the co-ordinates around the centre of the map
537 xco=xco-xcent;
538 yco=yco-ycent;
539 double oldx=xco;
540 xco=xco*Math.cos(orient)-yco*Math.sin(orient);
541 yco=oldx*Math.sin(orient)+yco*Math.cos(orient);
542 xco=xco+xcent;
543 yco=yco+ycent;
544 xco = (xco-tlx)/(brx-tlx);
545 yco = (yco-tly)/(bry-tly);
546
547 // calculate the pixels for placing the mark
548 width = (int)(xco*width)-5;
549 height = (int)(yco*height)-5;
550
551 // write the options for convert
552 bw.write("-draw 'text "+width+","+height+" \"x\"' ");
553 bw.flush();
554
555 // reset the width and height variables for the image
556 width = Integer.parseInt(img_size.substring(0,img_size.indexOf("x")));
557 height = Integer.parseInt(img_size.substring(img_size.indexOf("x")+1,img_size.length()));
558 }
559 doc_id = doc_id.substring(0,doc_id.lastIndexOf('`',doc_id.indexOf("```")-1));
560
561 // write the end of the convert command, then command for zooming image to the right level, then command to copy the blank image over legend.jpg
562 bw.write(temp_image_file+" "+temp_image_file+";convert -scale "+((int)(ratio*width))+"x"+((int)(ratio*height))+" "+temp_image_file+" "+temp_image_file2+";cp "+blank_file +" "+legend_file);
563
564 // reset legend number
565 leg_num = 0;
566 }
567
568 else
569 // if changing zoom level
570 if(doc_id.substring(doc_id.lastIndexOf('`'),doc_id.length()).indexOf('.')!=-1){
571 // get the ratio
572 ratio = Double.parseDouble(doc_id.substring(doc_id.lastIndexOf('`')+1,doc_id.length()));
573 // write the command for scaling image
574 bw.write("convert -scale "+((int)(ratio*width))+"x"+((int)(ratio*height))+" "+temp_image_file+" "+temp_image_file2);
575 doc_id = doc_id.substring(0,doc_id.lastIndexOf('`'));
576 }
577
578 // if adding locations to map
579 else{
580
581 // get the location type to add
582 String restricter= doc_id.substring(doc_id.lastIndexOf('`')+1,doc_id.length());
583 doc_id = doc_id.substring(0,doc_id.lastIndexOf('`'));
584
585 // get the number for the legend image
586 leg_num = Integer.parseInt(doc_id.substring(doc_id.lastIndexOf('`')+1,doc_id.length()));
587 doc_id = doc_id.substring(0,doc_id.lastIndexOf('`'));
588
589 //open file for location type
590 BufferedReader inType = new BufferedReader(new FileReader(this.files_home_dir + "place_types"+File.separator + restricter + ".txt"));
591
592 //check through the file and add any places that are in the bounds of this map.
593
594 // check value. set to true if a place to add is found
595 boolean add_place_type = false;
596
597 int index = 0;
598 index = doc_id.indexOf('`')+2;
599 // get zoom ratio
600 ratio = Double.parseDouble(doc_id.substring(doc_id.lastIndexOf('`')+1,doc_id.length()));
601 // get top left and bottom right co-ordinates of the map
602 double tly = Double.parseDouble(doc_id.substring(index,index+5));
603 index = doc_id.indexOf('`',index)+1;
604 double tlx = Double.parseDouble(doc_id.substring(index,index+6));
605 index = doc_id.indexOf('`',index)+2;
606 double bry = Double.parseDouble(doc_id.substring(index,index+5));
607 index = doc_id.indexOf('`',index)+1;
608 double brx = Double.parseDouble(doc_id.substring(index,index+6));
609 index = doc_id.indexOf('`',index)+1;
610 // get orientation of the map
611 double orient = Double.parseDouble(doc_id.substring(index,doc_id.indexOf('`',index)));
612 // calculate centre of map
613 double xcent = ((brx-tlx)/2)+tlx;
614 double ycent = ((bry-tly)/2)+tly;
615 orient = Math.toRadians(orient);
616
617 String type_point = "";
618 double xco = 0.0;
619 double yco = 0.0;
620
621 // read the file
622 while(inType.ready()){
623 //read a line
624 type_point = inType.readLine();
625
626 // get the co-ordinates of the point
627 xco = Double.parseDouble(type_point.substring(type_point.lastIndexOf('`')+1,type_point.length()));
628 yco = Double.parseDouble(type_point.substring(type_point.lastIndexOf('`',type_point.lastIndexOf('`')-1)+2,type_point.lastIndexOf('`')));
629
630 // if it is within the co-ordinates of the map
631 if(xco >= tlx && xco < brx && yco >= tly && yco < bry){
632 // rotate the point around the centre according to map orientation
633 xco=xco-xcent;
634 yco=yco-ycent;
635 double oldx=xco;
636 xco=xco*Math.cos(orient)-yco*Math.sin(orient);
637 yco=oldx*Math.sin(orient)+yco*Math.cos(orient);
638 xco=xco+xcent;
639 yco=yco+ycent;
640 // get the pixels for where to place the mark
641 xco = (xco-tlx)/(brx-tlx);
642 yco = (yco-tly)/(bry-tly);
643 width = (int)(xco*width)-5;
644 height = (int)(yco*height)-5;
645
646 //if this is the first point to be added
647 if(!add_place_type){
648 // write the initial convert command
649 bw.write("convert -font helvetica -fill red -pointsize 36 ");
650 // toggle check value
651 add_place_type = true;
652 }
653
654 // write the options for the convert command
655 bw.write("-draw 'text "+width+","+height+" \""+leg_num+"\"' ");
656 bw.flush();
657
658 // reset width and height variables for the image
659 width = Integer.parseInt(img_size.substring(0,img_size.indexOf("x")));
660 height = Integer.parseInt(img_size.substring(img_size.indexOf("x")+1,img_size.length()));
661 }
662 }
663
664 //if there are places to mark on the map
665 if(add_place_type){
666 // finish the convert command and write command for scaling image
667 bw.write(temp_image_file+" "+temp_image_file+";convert -scale "+((int)(ratio*width))+"x"+((int)(ratio*height))+" "+temp_image_file+" "+temp_image_file2);
668
669 // open file for converting the legend command
670 BufferedWriter buf = new BufferedWriter(new FileWriter(this.temp_files_dir+"add_l_"+uid));
671 if(leg_num == 1)
672 buf.write("cp "+blank_file +" "+legend_file+";");
673 // write the command for adding to the legend
674 buf.write("convert -font helvetica -fill red -pointsize 12 -draw 'text 15,"+(leg_num*15+20)+" \""+leg_num+" "+getType(restricter)+"\"' "+legend_file+" "+legend_file);
675 buf.flush();
676 buf.close();
677 // execute the command for the legend image
678 proc = Runtime.getRuntime().exec("sh "+this.temp_files_dir+"add_l_"+uid);
679 proc.waitFor();
680 }
681 inType.close();
682 }
683 bw.flush();
684 bw.close();
685
686 // execute the convert commands etc.
687 proc = Runtime.getRuntime().exec("sh "+this.temp_files_dir+"add_x_"+uid);
688 proc.waitFor();
689
690 }catch(Exception ioe){ioe.printStackTrace();}
691
692 //write the html for the document
693
694 String doc_content_head = "?a=d&c="+this.cluster_name+"&dt=map&d=";
695 doc_content = "<td valign=\"top\"><script>document.write('"+img_left+"legend_"+uid+".jpg"+"?'+new Date().getTime())</script>\"></td>";
696 doc_content = doc_content+"<td><script>document.write('"+img_left+"temp_"+uid+"_2.jpg?'+new Date().getTime())</script>\" onclick=\"imgClickHandler(event, this, '"+img_num+"')\"></td>";
697
698 // replace _httpimg_ with the correct address
699 doc_content = "<table><tr>"+doc_content+"</tr></table>";
700
701 String javascript = getJavascript(ratio, doc_id, leg_num);
702
703 doc_content = "<center>You are currently viewing the map at "+(int)(ratio*100)+"%<br>Select a radio button for a new zoom level.</center>"+javascript+doc_content;
704 doc_content = doc_content.replaceAll("zoomhead", doc_content_head);
705 doc_content = doc_content.replaceAll("placeChooserImage", doc_content_head+"imageChooser`"+doc_id+"`"+ratio);
706
707 // read the file for the navigation thumbnails
708 try{
709 BufferedReader infile = new BufferedReader(new FileReader(this.temp_files_dir+"links"+uid));
710 doc_content = doc_content + infile.readLine();
711 infile.close();
712 }catch(Exception ioexc){ioexc.printStackTrace();}
713 }
714
715 // put the html in a text node
716 Element text_doc = doc.createElement(GSXML.DOC_NODE_ELEM);
717 text_doc.setAttribute(GSXML.NODE_ID_ATT, doc_id);
718 GSXML.addDocText(doc, text_doc, doc_content);
719 doc_list.appendChild(text_doc);
720
721 }
722 return result;
723 }
724
725 // resolves location codes for places from LINZ database
726 private String getLocation(String location){
727 String read;
728 try{
729 BufferedReader in = new BufferedReader(new FileReader(this.files_home_dir+"files"+File.separator+"landdist.txt"));
730 in.readLine();
731 while(in.ready()){
732 read = in.readLine();
733 if(read.substring(0,2).equals(location)){
734 in.close();
735 return read.substring(3, read.length());
736 }
737 }
738 }catch(Exception e){}
739 return "";
740 }
741
742 // resolves type codes for the LINZ database
743 private String getType(String type){
744 String read;
745 try{
746 BufferedReader in = new BufferedReader(new FileReader(this.files_home_dir+"files"+File.separator+"pointdes.txt"));
747 in.readLine();
748 while(in.ready()){
749 read = in.readLine();
750 if(read.substring(0,read.indexOf('`')).toLowerCase().equals(type.toLowerCase())){
751 in.close();
752 return read.substring(read.indexOf('`')+1, read.indexOf(':'));
753 }
754 }
755 }catch(Exception e){}
756 return "";
757 }
758
759 //recursive pre-order traversal of the 2-dimensional tree
760 // x & y are co-ordinates of mouse click, xoff & yoff are the distance in degrees away from x & y to search,
761 // d is the current node of the tree, xcomp controls whether searching is by x co-ordinate or y co-ordinate.
762 private void findName(double x, double y, double xoff, double yoff, DefaultMutableTreeNode d, boolean xcomp){
763 //if a leaf node return. All leaf nodes are empty
764 if(d.isLeaf())
765 return;
766 //get coordinates of the current node
767 double xco = Double.parseDouble(((String)d.getUserObject()).substring(((String)d.getUserObject()).length()-6,((String)d.getUserObject()).length()));
768 double yco = Double.parseDouble(((String)d.getUserObject()).substring(((String)d.getUserObject()).length()-12,((String)d.getUserObject()).length()-7));
769 //if in range
770 if((x-xoff)<xco && (x+xoff)>xco && (y-yoff)<yco && (y+yoff)>yco){
771 //add to list
772 namesInList.addFirst((String)d.getUserObject());
773 }
774 //if comparing the x axis
775 if(xcomp){
776 //if need to search left subtree
777 if((x-xoff)<xco)
778 findName(x,y,xoff,yoff,(DefaultMutableTreeNode)d.getChildAt(0),!xcomp);
779 //if need to search right subtree
780 if((x+xoff)>xco)
781 findName(x,y,xoff,yoff,(DefaultMutableTreeNode)d.getChildAt(1),!xcomp);
782 }
783 else{
784 //if need to search left subtree
785 if((y-yoff)<yco)
786 findName(x,y,xoff,yoff,(DefaultMutableTreeNode)d.getChildAt(0),!xcomp);
787 //if need to search right subtree
788 if((y+yoff)>yco)
789 findName(x,y,xoff,yoff,(DefaultMutableTreeNode)d.getChildAt(1),!xcomp);
790 }
791 }
792
793 // a whole lot of stuff for the html that is hidden at the bottom here because it clutters more than I already have further up!
794 private String getJavascript(double ratio, String doc_id, int leg_num)
795 {
796 String javascript = "\n<script>\nfunction imgClickHandler (evt, img, num) {\n\tif (window.event){\n\t\tvar chooserString = 'placeChooserImage' + '```' + window.event.offsetX + '`' + window.event.offsetY\n\t\tmywindow = window.open(chooserString,'Choose','width=600, height=500, scrollbars=yes, resizable=yes, toolbar=no, location=no, status=yes, menubar=no');\n\t\t//alert(window.event.offsetX + ':' + window.event.offsetY + ':' + num);\n\t}\n\telse if (evt.target) {\n\t\tvar coords = {x: 0, y: 0 };\n\t\tvar el = evt.target;\n\t\tdo {\n\t\t\tcoords.x += el.offsetLeft;\n\t\t\tcoords.y += el.offsetTop;\n\t\t}\n\t\twhile ((el = el.offsetParent));\n\t\tvar offsetX = evt.clientX - coords.x;\n\t\tvar offsetY = evt.clientY - coords.y;\n\t\talert(offsetX + ':' + offsetY + ':' + num);\n\t}\n}\nfunction leapTo (link)\n{\n\tvar new_url=link;\n\tif ( (new_url != \"\") && (new_url != null) ) \n\t\twindow.location=new_url;\n\telse \n\t\talert(\"You must make a selection.\");\n}\nfunction jumpTo (front,link,back)\n{\n\tvar new_url=front+link+back;\n\tif ( (new_url != \"\") && (new_url != null) ) \n\t\twindow.location=new_url;\n\telse \n\t\talert(\"You must make a selection.\");\n}// Deactivate Cloaking -->\n</script>";
797
798 String radioButtons = "\n<center><FORM>";
799 if(ratio != 0.4)
800 radioButtons = radioButtons + "\n\t<INPUT TYPE=\"radio\" NAME=\"buttons1\" onClick=\"leapTo('zoomhead"+doc_id+"`0.4')\">40%";
801 if(ratio != 0.5)
802 radioButtons = radioButtons + "\n\t<INPUT TYPE=\"radio\" NAME=\"buttons1\" onClick=\"leapTo('zoomhead"+doc_id+"`0.5')\">50%";
803 if(ratio != 0.6)
804 radioButtons = radioButtons + "\n\t<INPUT TYPE=\"radio\" NAME=\"buttons1\" onClick=\"leapTo('zoomhead"+doc_id+"`0.6')\">60%";
805 if(ratio != 0.7)
806 radioButtons = radioButtons + "\n\t<INPUT TYPE=\"radio\" NAME=\"buttons1\" onClick=\"leapTo('zoomhead"+doc_id+"`0.7')\">70%";
807 if(ratio != 0.8)
808 radioButtons = radioButtons + "\n\t<INPUT TYPE=\"radio\" NAME=\"buttons1\" onClick=\"leapTo('zoomhead"+doc_id+"`0.8')\">80%";
809 if(ratio != 0.9)
810 radioButtons = radioButtons + "\n\t<INPUT TYPE=\"radio\" NAME=\"buttons1\" onClick=\"leapTo('zoomhead"+doc_id+"`0.9')\">90%";
811 if(ratio != 1.0)
812 radioButtons = radioButtons + "\n\t<INPUT TYPE=\"radio\" NAME=\"buttons1\" onClick=\"leapTo('zoomhead"+doc_id+"`1.0')\">100%";
813 radioButtons = radioButtons + "\n</FORM></center>";
814
815 leg_num = leg_num+1;
816
817 String doc_link = "?a=d&c="+this.cluster_name+"&dt=map&d="+doc_id+"`"+ratio+"`"+leg_num+"`";
818
819 StringBuffer dropDownBox = new StringBuffer();
820
821 dropDownBox.append("Add Locations Of Type: <form name=\"myForm\"><select name=\"s1index\" onChange=\"jumpTo('");
822 dropDownBox.append(doc_link);
823 dropDownBox.append("',document.myForm.s1index.options[document.myForm.s1index.selectedIndex].value,'')\">\n");
824
825 for (int i=0; i<this.index_name_list.size(); i++) {
826 String name = this.index_name_list.get(i);
827 dropDownBox.append("<option value=\"");
828 dropDownBox.append(name);
829 dropDownBox.append("\">");
830 String display = this.index_display_list.get(i);
831 dropDownBox.append(display);
832 dropDownBox.append("\n");
833 }
834 // for each option, Malcolm had onClick=\"leapTo('"+doc_link+name+"')\" - dont seem to need this
835 dropDownBox.append("</select></form>\n");
836
837 return javascript + radioButtons + dropDownBox;
838 }
839}
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