root/trunk/gsdl/src/recpt/pagedbrowserclass.cpp @ 943

Revision 943, 7.1 KB (checked in by sjboddie, 20 years ago)

minor change to macro name

  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
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1/**********************************************************************
2 *
3 * pagedbrowserclass.cpp --
4 * Copyright (C) 1999  The New Zealand Digital Library Project
5 *
6 * A component of the Greenstone digital library software
7 * from the New Zealand Digital Library Project at the
8 * University of Waikato, New Zealand.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * $Id$
25 *
26 *********************************************************************/
27
28/*
29   $Log$
30   Revision 1.8  2000/02/17 20:54:00  sjboddie
31   minor change to macro name
32
33   Revision 1.7  2000/02/17 02:35:48  sjboddie
34   tidied up a bit
35
36   Revision 1.6  2000/02/15 22:53:51  kjm18
37   search history stuff added.
38
39   Revision 1.5  2000/02/06 21:29:11  sjboddie
40   fixed a bug - made some functions virtual for use with cstr collection
41
42   Revision 1.4  1999/10/30 23:06:25  sjboddie
43   tidied up a bit
44
45   Revision 1.3  1999/10/30 22:16:37  sjboddie
46   added a collection argument
47
48   Revision 1.2  1999/10/19 08:40:11  sjboddie
49   fixed some stupid compiler warnings on windows
50
51   Revision 1.1  1999/10/14 22:59:35  sjboddie
52   finished off browser classes
53
54 */
55
56
57#include "pagedbrowserclass.h"
58#include <assert.h>
59#include "OIDtools.h"
60
61pagedbrowserclass::pagedbrowserclass () {
62}
63
64pagedbrowserclass::~pagedbrowserclass () {
65}
66
67// returns the name that specifies the browserclass type
68text_t pagedbrowserclass::get_browser_name () {
69  return "Paged";
70}
71
72
73void pagedbrowserclass::load_metadata_defaults (text_tset &metadata) {
74  metadata.insert ("Title");
75}
76
77text_t pagedbrowserclass::get_default_formatstring () {
78  return "";
79}
80
81// if the "gp" (go to page) argument is set we need to set
82// the "d" argument to the corresponding page
83// also want to set "d" argument to first child if we're at
84// an 'Invisible' top level
85void pagedbrowserclass::processOID (cgiargsclass &args, recptproto *collectproto,
86                                    ostream &logout) {
87
88  text_t &arg_d = args["d"];
89  text_t &arg_gp = args["gp"];
90  text_tset metadata;
91  bool getParents = false;
92  FilterResponse_t response;
93
94  if ((!arg_d.empty()) && (!arg_gp.empty()) && (is_number (arg_gp))) {
95    text_t top;
96    get_top (arg_d, top);
97    metadata.insert ("Title");
98    get_children (top, args["c"], metadata, getParents, collectproto, response, logout);
99    ResultDocInfo_tarray::iterator dochere = response.docInfo.begin();
100    ResultDocInfo_tarray::iterator docend = response.docInfo.end();
101    while (dochere != docend) {
102      if ((*dochere).metadata["Title"].values[0] == arg_gp) {
103        arg_d = (*dochere).OID;
104        break;
105      }
106      dochere ++;
107    }
108
109  } else if (!arg_d.empty() && is_top(arg_d)) { // if top level doc, check if not invisible
110    metadata.insert("thistype");
111    if (get_info(arg_d, args["c"], metadata, getParents, collectproto, response, logout)) {
112      text_t type = response.docInfo[0].metadata["thistype"].values[0];
113      if (type=="Invisible") { // display first child
114        arg_d = arg_d + ".fc";
115      }
116    }
117  }
118       
119
120   
121}
122
123int pagedbrowserclass::output_section_group (ResultDocInfo_t &section, cgiargsclass &args,
124                         const text_t &/*collection*/, int /*colnumber*/,
125                         format_t * /*formatlistptr*/, bool /*use_table*/,
126                         text_tset &/*metadata*/, bool &/*getParents*/,
127                         recptproto * /*collectproto*/, displayclass &disp,
128                         outconvertclass &outconvert, ostream &textout,
129                         ostream &/*logout*/) {
130
131  // this browser class only handles document levels
132  if (args["d"].empty()) return 0;
133
134  if (section.OID != args["d"]) {
135    // set the _parentarrow_ macro
136    text_t parentarrow = "<a href=\"_httpdocument_&cl=" + args["cl"] +
137      "&d=" + section.OID + "\">_iconprev_</a>\n";
138    disp.setmacro ("parentarrow", "document", parentarrow);
139    return 0;
140  }
141
142  // must be at top level to get to here!
143  textout << outconvert << disp << "<table><tr valign=top><td colspan=3><center><b>"
144      << section.metadata["Title"].values[0] << "_document:textintro_</b>\n";
145 
146  return 0;
147}
148
149int pagedbrowserclass::output_section_group (FilterResponse_t &sections, cgiargsclass &args,
150                         const text_t &/*collection*/, int /*colnumber*/,
151                         format_t * /*formatlistptr*/, bool /*use_table*/,
152                         text_tset &/*metadata*/, bool &/*getParents*/,
153                         recptproto * /*collectproto*/, displayclass &disp,
154                         outconvertclass &outconvert, ostream &textout,
155                         ostream &/*logout*/) {
156
157  text_t &arg_d = args["d"];
158
159  // this browser class only handles document levels
160  if (arg_d.empty()) return 0;
161
162  text_t previousOID, previoustitle, nextOID, nexttitle;
163  text_t previousarrow, nextarrow;
164  bool found = false;
165
166  // this should be our list of pages
167
168  ResultDocInfo_tarray::iterator thissection = sections.docInfo.begin();
169  ResultDocInfo_tarray::iterator endsection = sections.docInfo.end();
170
171  while (thissection != endsection) {
172    if (arg_d == (*thissection).OID) {
173      found = true;
174      textout << outconvert << disp
175          << "<table><tr valign=top><td colspan=3><center><b>_page_"
176          << (*thissection).metadata["Title"].values[0] << "</b>\n";
177      if (thissection != sections.docInfo.begin()) {
178    previousOID = (*(thissection-1)).OID;
179    previoustitle = (*(thissection-1)).metadata["Title"].values[0];
180      } else
181    previousarrow = "_document:parentarrow_";
182
183      if ((thissection+1) != endsection) {
184    nextOID = (*(thissection+1)).OID;
185    nexttitle = (*(thissection+1)).metadata["Title"].values[0];
186      }
187      break;
188    }
189    thissection ++;
190  }
191
192  if (!found) {
193    textout << outconvert << disp
194        << "<table><tr valign=top> <td colspan=3><center>\n";
195  }
196  int numpages = sections.docInfo.size();
197  textout << outconvert << disp
198      << ("_document:textnumpages_(" + text_t(numpages) + ")</center></td></tr>\n");
199
200  if (!found)
201    nextarrow = "<a href=\"_httpdocument_&cl=" + args["cl"] + "&d=" + sections.docInfo[0].OID +
202      "\">" + sections.docInfo[0].metadata["Title"].values[0] + "_iconnext_</a>\n";
203  else {
204    if (!previousOID.empty())
205      previousarrow = "<a href=\"_httpdocument_&cl=" + args["cl"] + "&d=" +
206    previousOID + "\">_iconprev_" + previoustitle + "</a>\n";
207    if (!nextOID.empty())
208      nextarrow = "<a href=\"_httpdocument_&cl=" + args["cl"] + "&d=" +
209    nextOID + "\">" + nexttitle + "_iconnext_</a>\n";
210  }
211
212  textout << outconvert << disp << "<tr valign=middle>\n"
213      << "<td align=right>" << previousarrow << "</td>\n"
214      << "<td align=center valign=top>_document:gotoform_</td>"
215      << "<td align=left>" << nextarrow << "</td>\n"
216      << "</tr></table>\n";
217
218  return 0;
219}
220
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225
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