| 1 | /**********************************************************************
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| 2 | *
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| 3 | * pageaction.cpp --
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| 4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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| 5 | *
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| 6 | * A component of the Greenstone digital library software
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| 7 | * from the New Zealand Digital Library Project at the
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| 8 | * University of Waikato, New Zealand.
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| 9 | *
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| 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 2 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, write to the Free Software
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| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | *
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| 24 | *********************************************************************/
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| 25 |
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| 26 | #include "OIDtools.h"
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| 27 | #include "pageaction.h"
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| 28 | #include "receptionist.h"
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| 29 | #include <time.h>
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| 30 |
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| 31 | pageaction::pageaction () {
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| 32 |
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| 33 | recpt = NULL;
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| 34 |
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| 35 | // this action uses cgi variables "a", "p", and "hp"
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| 36 | cgiarginfo arg_ainfo;
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| 37 | arg_ainfo.shortname = "a";
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| 38 | arg_ainfo.longname = "action";
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| 39 | arg_ainfo.multiplechar = true;
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| 40 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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| 41 | arg_ainfo.argdefault = "p";
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| 42 | arg_ainfo.savedarginfo = cgiarginfo::must;
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| 43 | argsinfo.addarginfo (NULL, arg_ainfo);
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| 44 |
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| 45 | arg_ainfo.shortname = "p";
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| 46 | arg_ainfo.longname = "page";
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| 47 | arg_ainfo.multiplechar = true;
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| 48 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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| 49 | arg_ainfo.argdefault = "home";
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| 50 | arg_ainfo.savedarginfo = cgiarginfo::must;
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| 51 | argsinfo.addarginfo (NULL, arg_ainfo);
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| 52 |
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| 53 | arg_ainfo.shortname = "hp";
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| 54 | arg_ainfo.longname = "html page";
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| 55 | arg_ainfo.multiplechar = true;
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| 56 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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| 57 | arg_ainfo.argdefault = "";
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| 58 | arg_ainfo.savedarginfo = cgiarginfo::mustnot;
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| 59 | argsinfo.addarginfo (NULL, arg_ainfo);
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| 60 | }
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| 61 |
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| 62 | pageaction::~pageaction () {
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| 63 | }
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| 64 |
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| 65 | bool pageaction::check_cgiargs (cgiargsinfoclass &/*argsinfo*/, cgiargsclass &/*args*/,
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| 66 | ostream &/*logout*/) {
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| 67 | // don't want to check anything yet.
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| 68 | return true;
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| 69 | }
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| 70 |
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| 71 | void pageaction::get_cgihead_info (cgiargsclass &/*args*/, recptprotolistclass * /*protos*/,
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| 72 | response_t &response,text_t &response_data,
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| 73 | ostream &/*logout*/) {
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| 74 | response = content;
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| 75 | response_data = "text/html";
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| 76 | }
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| 77 |
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| 78 | void pageaction::set_homeextra_macro (displayclass &disp, recptprotolistclass *protos,
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| 79 | ostream &logout) {
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| 80 |
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| 81 | text_t homeextra = "<center><table width=_pagewidth_><tr valign=top>\n";
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| 82 | bool found_valid_col = false;
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| 83 |
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| 84 | recptprotolistclass::iterator rprotolist_here = protos->begin();
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| 85 | recptprotolistclass::iterator rprotolist_end = protos->end();
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| 86 | while (rprotolist_here != rprotolist_end) {
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| 87 | if ((*rprotolist_here).p != NULL) {
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| 88 |
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| 89 | text_tarray collist;
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| 90 | comerror_t err;
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| 91 | (*rprotolist_here).p->get_collection_list (collist, err, logout);
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| 92 | if (err == noError) {
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| 93 | text_tarray::iterator collist_here = collist.begin();
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| 94 | text_tarray::iterator collist_end = collist.end();
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| 95 |
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| 96 | int count = 0;
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| 97 | bool first = true;
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| 98 | while (collist_here != collist_end) {
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| 99 |
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| 100 | ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr ((*rprotolist_here).p, *collist_here, logout);
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| 101 |
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| 102 | if (cinfo != NULL) {
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| 103 | if (cinfo->isPublic && (cinfo->buildDate > 0)) {
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| 104 |
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| 105 | found_valid_col = true;
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| 106 | FilterResponse_t response;
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| 107 | text_tset metadata;
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| 108 | metadata.insert ("collectionname");
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| 109 | metadata.insert ("iconcollection");
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| 110 | metadata.insert ("iconcollectionsmall");
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| 111 | text_t collectionname = *collist_here;
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| 112 | text_t alt = collectionname;
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| 113 | if (get_info ("collection", *collist_here, metadata, false,
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| 114 | (*rprotolist_here).p, response, logout)) {
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| 115 | if (!response.docInfo[0].metadata["collectionname"].values[0].empty())
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| 116 | alt = response.docInfo[0].metadata["collectionname"].values[0];
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| 117 |
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| 118 | if (!response.docInfo[0].metadata["iconcollectionsmall"].values[0].empty())
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| 119 | collectionname = "<img width=150 border=1 src=\""
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| 120 | + response.docInfo[0].metadata["iconcollectionsmall"].values[0]
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| 121 | + "\" alt=\"" + alt + "\">";
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| 122 | else if (!response.docInfo[0].metadata["iconcollection"].values[0].empty())
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| 123 | collectionname = "<img width=150 border=1 src=\""
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| 124 | + response.docInfo[0].metadata["iconcollection"].values[0]
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| 125 | + "\" alt=\"" + alt + "\">";
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| 126 | else collectionname = alt;
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| 127 | }
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| 128 |
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| 129 | if ((count%3 == 0) && (!first))
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| 130 | homeextra += "</tr><tr valign=top>\n";
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| 131 |
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| 132 | text_t link = "<a href=\"_gwcgi_?a=p&p=about&c=" + *collist_here + "\">";
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| 133 | if (*collist_here == "chinese")
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| 134 | link = "<a href=\"_gwcgi_?a=p&p=about&l=zh&nw=u&c=" + *collist_here + "\">";
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| 135 | if (*collist_here == "arabic")
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| 136 | link = "<a href=\"_gwcgi_?a=p&p=about&l=ar&nw=u&c=" + *collist_here + "\">";
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| 137 |
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| 138 | if (!cinfo->receptionist.empty())
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| 139 | link = "<a href=\"" + cinfo->receptionist + "\">";
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| 140 |
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| 141 | homeextra += "<td>" + link + collectionname + "</a></td>\n";
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| 142 |
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| 143 | count ++;
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| 144 | first = false;
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| 145 | }
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| 146 | }
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| 147 |
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| 148 | collist_here ++;
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| 149 | }
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| 150 | for (; count%3 != 0; count ++) homeextra += "<td></td>\n";
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| 151 | }
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| 152 | }
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| 153 | rprotolist_here ++;
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| 154 | }
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| 155 |
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| 156 | if (!found_valid_col) {
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| 157 | homeextra += "<td>No valid (i.e. built and public) collections are available</td>\n";
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| 158 | }
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| 159 | homeextra += "</tr></table></center>\n";
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| 160 | disp.setmacro ("homeextra", "home", homeextra);
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| 161 |
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| 162 | }
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| 163 |
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| 164 | void pageaction::define_internal_macros (displayclass &disp, cgiargsclass &args,
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| 165 | recptprotolistclass *protos, ostream &logout) {
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| 166 |
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| 167 | // define_internal_macros sets the following macros:
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| 168 |
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| 169 | // _numdocs_ the number of documents in the collection
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| 170 |
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| 171 | // _builddate_ the date last built
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| 172 |
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| 173 |
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| 174 | // if page is "home"
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| 175 | // _homeextra_ this is the list of available collections and collection info
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| 176 | // to be displayed on the home page
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| 177 |
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| 178 |
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| 179 | // if page is "preferences"
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| 180 | // _collectionoption_ collections to search/browse (if cross-collection-searching is on)
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| 181 |
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| 182 | // _htmloptions_ set to _htmloptionson_ if DocumentUseHTML is set
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| 183 |
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| 184 | // _PreferencesDocsFromWeb_ set to 1 if corresponding format option is set
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| 185 |
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| 186 | // _languageoption_ interface languages to select from (dependant on PreferenceLanguages)
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| 187 |
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| 188 | // _encodingoption_ will be overridden to "" if chinese language interface isn't specified
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| 189 |
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| 190 | // if page is "about"
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| 191 | // _textsubcollections_ the text on which subcollections make up the collection (if
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| 192 | // cross-collection searching is being used
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| 193 |
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| 194 | // _textbrowseoptions_ the 'how to find information' text in the about and help pages
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| 195 |
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| 196 | // _numbrowseoptions_ the number of browsing options
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| 197 |
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| 198 |
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| 199 | // if page is "help"
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| 200 | // _textbrowseoptions_ the 'how to find information' text in the about and help pages
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| 201 |
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| 202 | // _numbrowseoptions_ the number of browsing options
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| 203 |
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| 204 | // _topicreadingdocs_ this section of the help text differs depending on what type of
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| 205 | // _textreadingdocs_ collection it is (e.g. html collection, bibliographic collection etc.)
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| 206 | // _texthelpreadingdocs_
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| 207 |
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| 208 |
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| 209 | if (recpt == NULL) {
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| 210 | logout << "ERROR (pageaction::define_internal_macros): This action does not contain\n"
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| 211 | << " information about any receptionists. The method set_receptionist was\n"
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| 212 | << " probably not called from the module which instantiated this action.\n";
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| 213 | return;
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| 214 | }
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| 215 |
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| 216 | text_t &arg_p = args["p"];
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| 217 | text_t &arg_c = args["c"];
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| 218 | ColInfoResponse_t *cinfo = NULL;
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| 219 |
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| 220 | recptproto* collectproto = protos->getrecptproto (arg_c, logout);
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| 221 | if (collectproto != NULL) {
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| 222 | cinfo = recpt->get_collectinfo_ptr (collectproto, arg_c, logout);
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| 223 |
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| 224 | disp.setmacro ("numdocs", "Global", cinfo->numDocs);
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| 225 | unsigned long current_time = time(NULL);
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| 226 | unsigned long builddate = (current_time - cinfo->buildDate) / 86400;
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| 227 | disp.setmacro ("builddate", "Global", builddate);
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| 228 | }
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| 229 |
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| 230 | if (arg_p == "home") set_homeextra_macro (disp, protos, logout);
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| 231 |
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| 232 | else if (arg_p == "preferences") {
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| 233 |
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| 234 | // _collectionoption_
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| 235 |
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| 236 | if (args["ccs"] == "1" && collectproto != NULL && (cinfo->ccsCols.size() > 1)) {
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| 237 | text_t collectionoption = "_textcollectionoption_";
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| 238 | text_tarray::const_iterator col_here = cinfo->ccsCols.begin();
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| 239 | text_tarray::const_iterator col_end = cinfo->ccsCols.end();
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| 240 | int count = 0;
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| 241 | while (col_here != col_end) {
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| 242 | text_t colname;
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| 243 | if (*col_here == arg_c) {
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| 244 | colname = cinfo->collectionmeta["collectionname"];
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| 245 | } else {
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| 246 | ColInfoResponse_t *this_cinfo = recpt->get_collectinfo_ptr (collectproto, *col_here, logout);
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| 247 | if (this_cinfo == NULL) {col_here ++; continue;}
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| 248 | colname = this_cinfo->collectionmeta["collectionname"];
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| 249 | }
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| 250 |
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| 251 | count ++;
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| 252 | collectionoption += "<input type=checkbox name=\"cc\" value=\"" +
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| 253 | *col_here + "\" onClick=\"updatecc(\'" + *col_here + "\');\"> " +
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| 254 | colname + "<br>\n";
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| 255 | col_here ++;
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| 256 | }
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| 257 |
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| 258 | if (count > 1)
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| 259 | disp.setmacro ("collectionoption", "preferences", collectionoption);
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| 260 | }
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| 261 |
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| 262 | // _htmloptions_
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| 263 |
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| 264 | text_tmap::const_iterator it = cinfo->format.find ("DocumentUseHTML");
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| 265 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
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| 266 | disp.setmacro ("htmloptions", "preferences", "_htmloptionson_");
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| 267 |
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| 268 |
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| 269 | // _PreferenceDocsFromWeb_
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| 270 |
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| 271 | it = cinfo->format.find ("PreferenceDocsFromWeb");
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| 272 | if ((it == cinfo->format.end()) || ((*it).second == "true"))
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| 273 | disp.setmacro ("PreferenceDocsFromWeb", "preferences", "1");
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| 274 | }
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| 275 |
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| 276 | // _languageoption_
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| 277 | // this is kind of a hack (another one!!). note that there're potential
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| 278 | // problems here as no checking is done anywhere to make sure language
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| 279 | // is set to a valid value. this does allow us to set which languages
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| 280 | // should go in the preference selection box (from collect.cfg) however
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| 281 | // and that's sufficient for current requirements
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| 282 |
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| 283 | // currently supported languages (_languageoption_ will default to all
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| 284 | // these languages unless PreferenceLanguages is set
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| 285 | text_tarray languages;
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| 286 | languages.push_back ("en");
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| 287 | languages.push_back ("fr");
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| 288 | languages.push_back ("de");
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| 289 | languages.push_back ("es");
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| 290 | languages.push_back ("mi");
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| 291 | languages.push_back ("zh");
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| 292 | languages.push_back ("ar");
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| 293 | text_tarray::const_iterator this_lang = languages.begin();
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| 294 | text_tarray::const_iterator end_lang = languages.end();
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| 295 |
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| 296 | text_t languageoption = "_textlanguage_\n<select name=\"l\" onChange=\"updatel();\">\n";
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| 297 | it = cinfo->format.find ("PreferenceLanguages");
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| 298 | if ((it != cinfo->format.end()) && (!(*it).second.empty())) {
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| 299 | text_tset pref_langs;
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| 300 | splitchar ((*it).second.begin(), (*it).second.end(), '|', pref_langs);
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| 301 | if (pref_langs.size() > 1) {
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| 302 | while (this_lang != end_lang) {
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| 303 | if (pref_langs.find(*this_lang) != pref_langs.end())
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| 304 | languageoption += "_" + *this_lang + "languageoption_\n";
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| 305 | this_lang ++;
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| 306 | }
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| 307 | languageoption += "</select>\n";
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| 308 | disp.setmacro ("languageoption", "preferences", languageoption);
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| 309 | }
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| 310 |
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| 311 | // _encodingoption_
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| 312 |
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| 313 | if (pref_langs.find("zh") == pref_langs.end())
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| 314 | disp.setmacro ("encodingoption", "preferences", "");
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| 315 |
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| 316 | } else {
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| 317 | while (this_lang != end_lang) {
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| 318 | languageoption += "_" + *this_lang + "languageoption_\n";
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| 319 | this_lang ++;
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| 320 | }
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| 321 | languageoption += "</select>\n";
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| 322 | disp.setmacro ("languageoption", "preferences", languageoption);
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| 323 | }
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| 324 |
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| 325 | } else if (arg_p == "about" || arg_p == "help") {
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| 326 | if (collectproto == NULL) return;
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| 327 |
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| 328 | // _textbrowseoptions_ and _numbrowseoptions_
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| 329 |
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| 330 | FilterResponse_t response;
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| 331 | text_tset metadata;
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| 332 | metadata.insert ("Title");
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| 333 | bool getParents = false;
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| 334 | get_children ("", args["c"], metadata, getParents, collectproto, response, logout);
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| 335 |
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| 336 | disp.setmacro ("numbrowseoptions", "help", response.docInfo.size()+1);
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| 337 |
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| 338 | ResultDocInfo_tarray::iterator here = response.docInfo.begin();
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| 339 | ResultDocInfo_tarray::iterator end = response.docInfo.end();
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| 340 |
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| 341 | // we're assuming that we've always got a search button
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| 342 | text_t shorttext = "<ul><li>_textSearchshort_\n";
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| 343 | text_t longtext = "_textSearchlong_";
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| 344 |
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| 345 | while (here != end) {
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| 346 | text_t title = (*here).metadata["Title"].values[0];
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| 347 |
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| 348 | text_t stext, ltext;
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| 349 | disp.expandstring ("help", "_text" + title + "short_", stext);
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| 350 | if (stext == ("_text" + title + "short_")) {
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| 351 | shorttext += "<li>_help:textdefaultshorttext_";
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| 352 | longtext += "_help:textdefaultlongtext_";
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| 353 | } else {
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| 354 | shorttext += "<li>" + stext;
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| 355 | longtext += "_help:text" + title + "long_";
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| 356 | }
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| 357 |
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| 358 | here ++;
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| 359 | }
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| 360 | shorttext += "</ul>\n";
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| 361 | if (response.docInfo.size() > 1) disp.setmacro ("textbrowseoptions", "help", shorttext + longtext);
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| 362 | else disp.setmacro ("textbrowseoptions", "help", longtext);
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| 363 |
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| 364 | if (arg_p == "help") {
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| 365 |
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| 366 | // _topicreadingdocs_ _textreadingdocs_ _texthelpreadingdocs_
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| 367 |
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| 368 | // if HTML collection there's no how to read document text
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| 369 | text_tmap::const_iterator it = cinfo->format.find ("HelpNoDocs");
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| 370 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
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| 371 | disp.setmacro ("topicreadingdocs", "help", "");
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| 372 | disp.setmacro ("texthelpreadingdocs", "help", "");
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| 373 | }
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| 374 | it = cinfo->format.find ("HelpBibDocs");
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| 375 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
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| 376 | disp.setmacro ("texthelpreadingdocs", "help", "_bibtexthelpreadingdocs_");
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| 377 | disp.setmacro ("textreadingdocs", "help", "_bibtextreadingdocs_");
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| 378 | }
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| 379 | it = cinfo->format.find ("HelpBookDocs");
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| 380 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
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| 381 | disp.setmacro ("texthelpreadingdocs", "help", "_booktexthelpreadingdocs_");
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| 382 | disp.setmacro ("textreadingdocs", "help", "_booktextreadingdocs_");
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| 383 | }
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| 384 |
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| 385 | }
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| 386 | if (arg_p == "about") {
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| 387 |
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| 388 | // _textsubcollections_
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| 389 | if (args["ccs"] == "1" && (cinfo->ccsCols.size() > 1)) {
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| 390 | text_t textsubcollections = "_textsubcols1_(" + text_t(cinfo->ccsCols.size()) + ")";
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| 391 | text_tarray::const_iterator here = cinfo->ccsCols.begin();
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| 392 | text_tarray::const_iterator end = cinfo->ccsCols.end();
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| 393 | bool first = true;
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| 394 | int count = 0;
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| 395 | while (here != end) {
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| 396 | if (*here == arg_c) {
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| 397 | if (!first) textsubcollections += "<br>";
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| 398 | textsubcollections += "\n" + cinfo->collectionmeta["collectionname"] + "\n";
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| 399 | } else {
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| 400 | ColInfoResponse_t *this_cinfo = recpt->get_collectinfo_ptr (collectproto, *here, logout);
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| 401 | if (this_cinfo == NULL) {here ++; continue;}
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| 402 | if (!first) textsubcollections += "<br>";
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| 403 | textsubcollections += "\n" + this_cinfo->collectionmeta["collectionname"] + "\n";
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| 404 | }
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| 405 | count ++;
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| 406 | first = false;
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| 407 | here ++;
|
|---|
| 408 | }
|
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| 409 | textsubcollections += "_textsubcols2_";
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| 410 | if (count > 1)
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| 411 | disp.setmacro ("textsubcollections", "about", textsubcollections);
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| 412 | }
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| 413 | }
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| 414 | }
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| 415 | }
|
|---|
| 416 |
|
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| 417 | bool pageaction::do_action (cgiargsclass &args, recptprotolistclass * /*protos*/,
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| 418 | browsermapclass * /*browsers*/, displayclass &disp,
|
|---|
| 419 | outconvertclass &outconvert, ostream &textout,
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|---|
| 420 | ostream &/*logout*/) {
|
|---|
| 421 |
|
|---|
| 422 | text_t &arg_p = args["p"];
|
|---|
| 423 |
|
|---|
| 424 | textout << outconvert << disp << ("_" + arg_p + ":header_\n")
|
|---|
| 425 | << ("_" + arg_p + ":content_\n")
|
|---|
| 426 | << ("_" + arg_p + ":footer_\n");
|
|---|
| 427 |
|
|---|
| 428 | return true;
|
|---|
| 429 | }
|
|---|
