source: trunk/gsdl/src/recpt/pagedbrowserclass.cpp@ 937

Last change on this file since 937 was 937, checked in by sjboddie, 21 years ago

tidied up a bit

  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 7.0 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 937 2000-02-17 02:35:48Z sjboddie $
25 *
26 *********************************************************************/
27
28/*
29 $Log$
30 Revision 1.7 2000/02/17 02:35:48 sjboddie
31 tidied up a bit
32
33 Revision 1.6 2000/02/15 22:53:51 kjm18
34 search history stuff added.
35
36 Revision 1.5 2000/02/06 21:29:11 sjboddie
37 fixed a bug - made some functions virtual for use with cstr collection
38
39 Revision 1.4 1999/10/30 23:06:25 sjboddie
40 tidied up a bit
41
42 Revision 1.3 1999/10/30 22:16:37 sjboddie
43 added a collection argument
44
45 Revision 1.2 1999/10/19 08:40:11 sjboddie
46 fixed some stupid compiler warnings on windows
47
48 Revision 1.1 1999/10/14 22:59:35 sjboddie
49 finished off browser classes
50
51 */
52
53
54#include "pagedbrowserclass.h"
55#include <assert.h>
56#include "OIDtools.h"
57
58pagedbrowserclass::pagedbrowserclass () {
59}
60
61pagedbrowserclass::~pagedbrowserclass () {
62}
63
64// returns the name that specifies the browserclass type
65text_t pagedbrowserclass::get_browser_name () {
66 return "Paged";
67}
68
69
70void pagedbrowserclass::load_metadata_defaults (text_tset &metadata) {
71 metadata.insert ("Title");
72}
73
74text_t pagedbrowserclass::get_default_formatstring () {
75 return "";
76}
77
78// if the "gp" (go to page) argument is set we need to set
79// the "d" argument to the corresponding page
80// also want to set "d" argument to first child if we're at
81// an 'Invisible' top level
82void pagedbrowserclass::processOID (cgiargsclass &args, recptproto *collectproto,
83 ostream &logout) {
84
85 text_t &arg_d = args["d"];
86 text_t &arg_gp = args["gp"];
87 text_tset metadata;
88 bool getParents = false;
89 FilterResponse_t response;
90
91 if ((!arg_d.empty()) && (!arg_gp.empty()) && (is_number (arg_gp))) {
92 text_t top;
93 get_top (arg_d, top);
94 metadata.insert ("Title");
95 get_children (top, args["c"], metadata, getParents, collectproto, response, logout);
96 ResultDocInfo_tarray::iterator dochere = response.docInfo.begin();
97 ResultDocInfo_tarray::iterator docend = response.docInfo.end();
98 while (dochere != docend) {
99 if ((*dochere).metadata["Title"].values[0] == arg_gp) {
100 arg_d = (*dochere).OID;
101 break;
102 }
103 dochere ++;
104 }
105
106 } else if (!arg_d.empty() && is_top(arg_d)) { // if top level doc, check if not invisible
107 metadata.insert("thistype");
108 if (get_info(arg_d, args["c"], metadata, getParents, collectproto, response, logout)) {
109 text_t type = response.docInfo[0].metadata["thistype"].values[0];
110 if (type=="Invisible") { // display first child
111 arg_d = arg_d + ".fc";
112 }
113 }
114 }
115
116
117
118}
119
120int pagedbrowserclass::output_section_group (ResultDocInfo_t &section, cgiargsclass &args,
121 const text_t &/*collection*/, int /*colnumber*/,
122 format_t * /*formatlistptr*/, bool /*use_table*/,
123 text_tset &/*metadata*/, bool &/*getParents*/,
124 recptproto * /*collectproto*/, displayclass &disp,
125 outconvertclass &outconvert, ostream &textout,
126 ostream &/*logout*/) {
127
128 // this browser class only handles document levels
129 if (args["d"].empty()) return 0;
130
131 if (section.OID != args["d"]) {
132 // set the _parentarrow_ macro
133 text_t parentarrow = "<a href=\"_httpdocument_&cl=" + args["cl"] +
134 "&d=" + section.OID + "\">_iconprev_</a>\n";
135 disp.setmacro ("parentarrow", "document", parentarrow);
136 return 0;
137 }
138
139 // must be at top level to get to here!
140 textout << outconvert << disp << "<table><tr valign=top><td colspan=3><center><b>"
141 << section.metadata["Title"].values[0] << "_document:textintro_</b>\n";
142
143 return 0;
144}
145
146int pagedbrowserclass::output_section_group (FilterResponse_t &sections, cgiargsclass &args,
147 const text_t &/*collection*/, int /*colnumber*/,
148 format_t * /*formatlistptr*/, bool /*use_table*/,
149 text_tset &/*metadata*/, bool &/*getParents*/,
150 recptproto * /*collectproto*/, displayclass &disp,
151 outconvertclass &outconvert, ostream &textout,
152 ostream &/*logout*/) {
153
154 text_t &arg_d = args["d"];
155
156 // this browser class only handles document levels
157 if (arg_d.empty()) return 0;
158
159 text_t previousOID, previoustitle, nextOID, nexttitle;
160 text_t previousarrow, nextarrow;
161 bool found = false;
162
163 // this should be our list of pages
164
165 ResultDocInfo_tarray::iterator thissection = sections.docInfo.begin();
166 ResultDocInfo_tarray::iterator endsection = sections.docInfo.end();
167
168 while (thissection != endsection) {
169 if (arg_d == (*thissection).OID) {
170 found = true;
171 textout << outconvert << disp
172 << "<table><tr valign=top><td colspan=3><center><b>_document:textpage_"
173 << (*thissection).metadata["Title"].values[0] << "</b>\n";
174 if (thissection != sections.docInfo.begin()) {
175 previousOID = (*(thissection-1)).OID;
176 previoustitle = (*(thissection-1)).metadata["Title"].values[0];
177 } else
178 previousarrow = "_document:parentarrow_";
179
180 if ((thissection+1) != endsection) {
181 nextOID = (*(thissection+1)).OID;
182 nexttitle = (*(thissection+1)).metadata["Title"].values[0];
183 }
184 break;
185 }
186 thissection ++;
187 }
188
189 if (!found) {
190 textout << outconvert << disp
191 << "<table><tr valign=top> <td colspan=3><center>\n";
192 }
193 int numpages = sections.docInfo.size();
194 textout << outconvert << disp
195 << ("_document:textnumpages_(" + text_t(numpages) + ")</center></td></tr>\n");
196
197 if (!found)
198 nextarrow = "<a href=\"_httpdocument_&cl=" + args["cl"] + "&d=" + sections.docInfo[0].OID +
199 "\">" + sections.docInfo[0].metadata["Title"].values[0] + "_iconnext_</a>\n";
200 else {
201 if (!previousOID.empty())
202 previousarrow = "<a href=\"_httpdocument_&cl=" + args["cl"] + "&d=" +
203 previousOID + "\">_iconprev_" + previoustitle + "</a>\n";
204 if (!nextOID.empty())
205 nextarrow = "<a href=\"_httpdocument_&cl=" + args["cl"] + "&d=" +
206 nextOID + "\">" + nexttitle + "_iconnext_</a>\n";
207 }
208
209 textout << outconvert << disp << "<tr valign=middle>\n"
210 << "<td align=right>" << previousarrow << "</td>\n"
211 << "<td align=center valign=top>_document:gotoform_</td>"
212 << "<td align=left>" << nextarrow << "</td>\n"
213 << "</tr></table>\n";
214
215 return 0;
216}
217
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