source: trunk/gsdl/src/recpt/pagedbrowserclass.cpp@ 943

Last change on this file since 943 was 943, checked in by sjboddie, 21 years ago

minor change to macro name

  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 7.1 KB
Line 
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: pagedbrowserclass.cpp 943 2000-02-17 20:54:00Z sjboddie $
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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