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 | * $Id: pageaction.cpp 867 2000-01-25 22:31:09Z sjboddie $
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25 | *
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26 | *********************************************************************/
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27 |
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28 | /*
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29 | $Log$
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30 | Revision 1.24 2000/01/25 22:31:09 sjboddie
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31 | more hacky changes to get preferences to be a bit smarter
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32 |
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33 | Revision 1.23 2000/01/24 22:59:57 sjboddie
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34 | changes to set macros differently for preferences page depending
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35 | on type of collection - pageaction is getting kind of hacky - should
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36 | tidy it up some day
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37 |
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38 | Revision 1.22 1999/11/25 23:01:09 sjboddie
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39 | now need to be able to handle it if no collection is selected
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40 |
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41 | Revision 1.21 1999/11/03 22:50:13 sjboddie
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42 | now defaults to home page
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43 |
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44 | Revision 1.20 1999/11/01 21:58:02 sjboddie
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45 | changes to arguments of many functions, now pass list of protocols
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46 | instead of just that for this collection
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47 |
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48 | Revision 1.19 1999/10/19 21:59:09 sjboddie
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49 | bug in generating "how to find information" text for about pages
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50 |
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51 | Revision 1.18 1999/10/19 03:23:44 davidb
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52 | Collection building support through web pages
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53 | and internal and external link handling for collection documents
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54 |
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55 | Revision 1.17 1999/10/14 23:04:44 sjboddie
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56 | some hacks to make nzdl home page look right
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57 |
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58 | Revision 1.16 1999/10/10 08:14:09 sjboddie
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59 | - metadata now returns mp rather than array
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60 | - redesigned browsing support (although it's not finished so
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61 | won't currently work ;-)
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62 |
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63 | Revision 1.15 1999/09/17 04:46:05 sjboddie
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64 | fixed a couple of problems with 'unknown' classifier
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65 |
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66 | Revision 1.14 1999/09/07 23:08:09 rjmcnab
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67 | Removed some compiler warnings
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68 |
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69 | Revision 1.13 1999/09/07 04:56:57 sjboddie
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70 | added GPL notice
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71 |
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72 | Revision 1.12 1999/09/02 00:26:43 rjmcnab
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73 | made the p cgi argument always saved in the compressed arguments
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74 |
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75 | Revision 1.11 1999/08/25 04:48:43 sjboddie
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76 | changes to the home and about pages
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77 |
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78 | Revision 1.10 1999/08/11 23:29:43 sjboddie
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79 | added support for html classifier (i.e. the hp argument)
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80 |
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81 | Revision 1.9 1999/08/03 03:29:47 sjboddie
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82 | added ability to set receptionist from collect.cfg
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83 |
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84 | Revision 1.8 1999/07/30 02:24:44 sjboddie
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85 | added collectinfo argument to some functions
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86 |
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87 | Revision 1.7 1999/06/24 05:12:24 sjboddie
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88 | lots of small changes
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89 |
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90 | Revision 1.6 1999/06/10 00:39:16 sjboddie
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91 | navigation bar is no longer written out for every page (it should
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92 | be included in the _content_ macro of pages wanting to display it).
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93 |
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94 | Revision 1.5 1999/06/08 04:29:35 sjboddie
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95 | added argsinfo to the call to check_cgiargs to make it easy to set
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96 | args to their default if they're found to be screwed up
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97 |
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98 | Revision 1.4 1999/02/28 20:00:14 rjmcnab
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99 |
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100 |
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101 | Fixed a few things.
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102 |
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103 | Revision 1.3 1999/02/25 21:58:58 rjmcnab
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104 |
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105 | Merged sources.
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106 |
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107 | Revision 1.2 1999/02/21 22:33:54 rjmcnab
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108 |
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109 | Lots of stuff :-)
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110 |
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111 | Revision 1.1 1999/02/12 02:40:17 sjboddie
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112 |
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113 | Added page action
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114 |
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115 | */
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116 |
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117 | #include "OIDtools.h"
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118 | #include "pageaction.h"
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119 | #include "receptionist.h"
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120 | #include <time.h>
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121 |
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122 | pageaction::pageaction () {
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123 |
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124 | recpt = NULL;
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125 |
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126 | // this action uses cgi variables "a", "p", and "hp"
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127 | cgiarginfo arg_ainfo;
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128 | arg_ainfo.shortname = "a";
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129 | arg_ainfo.longname = "action";
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130 | arg_ainfo.multiplechar = true;
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131 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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132 | arg_ainfo.argdefault = "p";
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133 | arg_ainfo.savedarginfo = cgiarginfo::must;
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134 | argsinfo.addarginfo (NULL, arg_ainfo);
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135 |
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136 | arg_ainfo.shortname = "p";
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137 | arg_ainfo.longname = "page";
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138 | arg_ainfo.multiplechar = true;
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139 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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140 | arg_ainfo.argdefault = "home";
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141 | arg_ainfo.savedarginfo = cgiarginfo::must;
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142 | argsinfo.addarginfo (NULL, arg_ainfo);
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143 |
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144 | arg_ainfo.shortname = "hp";
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145 | arg_ainfo.longname = "html page";
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146 | arg_ainfo.multiplechar = true;
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147 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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148 | arg_ainfo.argdefault = "";
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149 | arg_ainfo.savedarginfo = cgiarginfo::mustnot;
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150 | argsinfo.addarginfo (NULL, arg_ainfo);
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151 | }
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152 |
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153 | pageaction::~pageaction () {
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154 | }
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155 |
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156 | bool pageaction::check_cgiargs (cgiargsinfoclass &/*argsinfo*/, cgiargsclass &/*args*/,
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157 | ostream &/*logout*/) {
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158 | // don't want to check anything yet.
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159 | return true;
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160 | }
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161 |
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162 | void pageaction::get_cgihead_info (cgiargsclass &/*args*/, recptprotolistclass * /*protos*/,
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163 | response_t &response,text_t &response_data,
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164 | ostream &/*logout*/) {
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165 | response = content;
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166 | response_data = "text/html";
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167 | }
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168 |
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169 | void pageaction::set_homeextra_macro (displayclass &disp, recptprotolistclass *protos,
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170 | ostream &logout) {
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171 |
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172 | text_t homeextra = "<center><table width=_pagewidth_><tr valign=top>\n";
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173 |
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174 | recptprotolistclass::iterator rprotolist_here = protos->begin();
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175 | recptprotolistclass::iterator rprotolist_end = protos->end();
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176 | while (rprotolist_here != rprotolist_end) {
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177 | if ((*rprotolist_here).p != NULL) {
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178 |
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179 | text_tarray collist;
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180 | comerror_t err;
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181 | (*rprotolist_here).p->get_collection_list (collist, err, logout);
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182 | if (err == noError) {
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183 | text_tarray::iterator collist_here = collist.begin();
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184 | text_tarray::iterator collist_end = collist.end();
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185 |
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186 | int row1 = 7;
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187 | int row2 = 5;
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188 | int count = 1;
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189 | while (collist_here != collist_end) {
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190 |
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191 | if (*collist_here == "niupepa")
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192 | homeextra += "<p><a href=\"_httpmusiclibrary_\">_iconmusiclibrary_</a>\n";
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193 |
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194 | ColInfoResponse_t cinfo;
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195 | (*rprotolist_here).p->get_collectinfo (*collist_here, cinfo, err, logout);
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196 |
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197 | if (err == noError) {
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198 | if (cinfo.isPublic && (cinfo.buildDate > 0)) {
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199 |
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200 | FilterResponse_t response;
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201 | text_tset metadata;
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202 | metadata.insert ("collectionname");
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203 | metadata.insert ("iconcollection");
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204 | metadata.insert ("iconcollectionsmall");
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205 | text_t collectionname = *collist_here;
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206 | text_t alt = collectionname;
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207 | if (get_info ("collection", *collist_here, metadata, false,
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208 | (*rprotolist_here).p, response, logout)) {
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209 | if (!response.docInfo[0].metadata["collectionname"].values[0].empty())
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210 | alt = response.docInfo[0].metadata["collectionname"].values[0];
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211 |
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212 | if (!response.docInfo[0].metadata["iconcollectionsmall"].values[0].empty())
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213 | collectionname = "<img width=150 border=1 src=\""
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214 | + response.docInfo[0].metadata["iconcollectionsmall"].values[0]
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215 | + "\" alt=\"" + alt + "\">";
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216 | else if (!response.docInfo[0].metadata["iconcollection"].values[0].empty())
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217 | collectionname = "<img width=150 border=1 src=\""
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218 | + response.docInfo[0].metadata["iconcollection"].values[0]
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219 | + "\" alt=\"" + alt + "\">";
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220 | else collectionname = alt;
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221 | }
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222 |
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223 | if ((count == 1) || (count == (row1+1)) || (count == ((row1+row2)+1)))
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224 | homeextra += "<td align=center>";
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225 | else homeextra += "<p>";
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226 | text_t link = "<a href=\"_gwcgi_?a=p&p=about&c=" + *collist_here + "\">";
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227 | if (*collist_here == "chinese")
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228 | link = "<a href=\"_gwcgi_?a=p&p=about&l=zh&nw=u&c=" + *collist_here + "\">";
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229 | if (*collist_here == "arabic")
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230 | link = "<a href=\"_gwcgi_?a=p&p=about&w=a&c=" + *collist_here + "\">";
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231 |
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232 | if (!cinfo.receptionist.empty())
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233 | link = "<a href=\"" + cinfo.receptionist + "\">";
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234 |
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235 | homeextra += link + collectionname + "</a>\n";
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236 |
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237 | if ((count == row1) || (count == (row1+row2)))
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238 | homeextra += "</td>";
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239 |
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240 | count ++;
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241 | }
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242 | }
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243 |
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244 | collist_here ++;
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245 | }
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246 | homeextra += "</tr></table></center>\n";
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247 | disp.setmacro ("homeextra", "home", homeextra);
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248 | }
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249 | }
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250 | rprotolist_here ++;
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251 | }
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252 | }
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253 |
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254 | void pageaction::define_internal_macros (displayclass &disp, cgiargsclass &args,
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255 | recptprotolistclass *protos, ostream &logout) {
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256 |
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257 | // define_internal_macros sets the following macros:
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258 |
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259 | // _numdocs_ the number of documents in the collection
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260 |
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261 | // _builddate_ the date last built
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262 |
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263 |
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264 | // if page is "home"
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265 | // _homeextra_ this is the list of available collections and collection info
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266 | // to be displayed on the home page
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267 |
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268 |
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269 | // if page is "preferences"
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270 | // _collectionoption_ collections to search/browse (if cross-collection-searching is on)
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271 |
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272 | // _htmloptions_ set to _htmloptionson_ if DocumentUseHTML is set
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273 |
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274 | // _PreferencesDocsFromWeb_ set to 1 if corresponding format option is set
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275 |
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276 | // _languageoption_ interface languages to select from (dependant on PreferenceLanguages)
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277 |
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278 | // _encodingoption_ will be overridden to "" if chinese language interface isn't specified
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279 |
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280 | // if page is "about"
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281 | // _textsubcollections_ the text on which subcollections make up the collection (if
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282 | // cross-collection searching is being used
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283 |
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284 | // _textbrowseoptions_ the 'how to find information' text in the about and help pages
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285 |
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286 | // _numbrowseoptions_ the number of browsing options
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287 |
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288 |
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289 | // if page is "help"
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290 | // _textbrowseoptions_ the 'how to find information' text in the about and help pages
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291 |
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292 | // _numbrowseoptions_ the number of browsing options
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293 |
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294 |
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295 | text_t &arg_p = args["p"];
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296 | text_t &arg_c = args["c"];
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297 | ColInfoResponse_t cinfo;
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298 | comerror_t err;
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299 |
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300 | recptproto* collectproto = protos->getrecptproto (arg_c, logout);
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301 | if (collectproto != NULL) {
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302 | collectproto->get_collectinfo (arg_c, cinfo, err, logout);
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303 |
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304 | disp.setmacro ("numdocs", "Global", cinfo.numDocs);
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305 | unsigned long current_time = time(NULL);
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306 | unsigned long builddate = (current_time - cinfo.buildDate) / 86400;
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307 | disp.setmacro ("builddate", "Global", builddate);
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308 | }
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309 |
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310 | if (arg_p == "home") set_homeextra_macro (disp, protos, logout);
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311 |
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312 | else if (arg_p == "preferences") {
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313 |
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314 | // _collectionoption_
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315 |
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316 | if (args["ccs"] == "1" && collectproto != NULL && (cinfo.ccsCols.size() > 1)) {
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317 | text_t collectionoption = "_textcollectionoption_";
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318 | text_tarray::const_iterator col_here = cinfo.ccsCols.begin();
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319 | text_tarray::const_iterator col_end = cinfo.ccsCols.end();
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320 | while (col_here != col_end) {
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321 | text_t colname;
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322 | if (*col_here == arg_c) {
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323 | colname = cinfo.collectionmeta["collectionname"];
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324 | } else {
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325 | ColInfoResponse_t this_cinfo;
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326 | collectproto->get_collectinfo (*col_here, this_cinfo, err, logout);
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327 | colname = this_cinfo.collectionmeta["collectionname"];
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328 | }
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329 |
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330 | collectionoption += "<input type=checkbox name=\"cc\" value=\"" +
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331 | *col_here + "\" onClick=\"updatecc(\'" + *col_here + "\');\"> " +
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332 | colname + "<br>\n";
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333 | col_here ++;
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334 | }
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335 |
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336 | disp.setmacro ("collectionoption", "preferences", collectionoption);
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337 | }
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338 |
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339 | // _htmloptions_
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340 |
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341 | text_tmap::const_iterator it = cinfo.format.find ("DocumentUseHTML");
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342 | if ((it != cinfo.format.end()) && ((*it).second == "true")) {
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343 | disp.setmacro ("htmloptions", "preferences", "_htmloptionson_");
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344 |
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345 |
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346 | // _PreferenceDocsFromWeb_
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347 |
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348 | it = cinfo.format.find ("PreferenceDocsFromWeb");
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349 | if ((it == cinfo.format.end()) || ((*it).second == "true"))
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350 | disp.setmacro ("PreferenceDocsFromWeb", "preferences", "1");
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351 | }
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352 |
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353 | // _languageoption_
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354 | // this is kind of a hack (another one!!). note that there're potential
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355 | // problems here as no checking is done anywhere to make sure language
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356 | // is set to a valid value. this does allow us to set which languages
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357 | // should go in the preference selection box (from collect.cfg) however
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358 | // and that's sufficient for current requirements
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359 |
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360 | // currently supported languages (_languageoption_ will default to all
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361 | // these languages unless PreferenceLanguages is set
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362 | text_tarray languages;
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363 | languages.push_back ("en");
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364 | languages.push_back ("mi");
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365 | languages.push_back ("zh");
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366 | text_tarray::const_iterator this_lang = languages.begin();
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367 | text_tarray::const_iterator end_lang = languages.end();
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368 |
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369 | text_t languageoption = "_textlanguage_\n<select name=\"l\" onChange=\"updatel();\">\n";
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370 | it = cinfo.format.find ("PreferenceLanguages");
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371 | if ((it != cinfo.format.end()) && (!(*it).second.empty())) {
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372 | text_tset pref_langs;
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373 | splitchar ((*it).second.begin(), (*it).second.end(), '|', pref_langs);
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374 | if (pref_langs.size() > 1) {
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375 | while (this_lang != end_lang) {
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376 | if (pref_langs.find(*this_lang) != pref_langs.end())
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377 | languageoption += "_" + *this_lang + "languageoption_\n";
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378 | this_lang ++;
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379 | }
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380 | languageoption += "</select>\n";
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381 | disp.setmacro ("languageoption", "preferences", languageoption);
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382 | }
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383 |
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384 | // _encodingoption_
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385 |
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386 | if (pref_langs.find("zh") == pref_langs.end())
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387 | disp.setmacro ("encodingoption", "preferences", "");
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388 |
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389 | } else {
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390 | while (this_lang != end_lang) {
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391 | languageoption += "_" + *this_lang + "languageoption_\n";
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392 | this_lang ++;
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393 | }
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394 | languageoption += "</select>\n";
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395 | disp.setmacro ("languageoption", "preferences", languageoption);
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396 | }
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397 |
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398 | } else if (arg_p == "about" || arg_p == "help") {
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399 | if (collectproto == NULL) return;
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400 |
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401 | // _textbrowseoptions_ and _numbrowseoptions_
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402 |
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403 | FilterResponse_t response;
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404 | text_tset metadata;
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405 | metadata.insert ("Title");
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406 | bool getParents = false;
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407 | get_children ("", args["c"], metadata, getParents, collectproto, response, logout);
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408 |
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409 | disp.setmacro ("numbrowseoptions", "help", response.docInfo.size()+1);
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410 |
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411 | ResultDocInfo_tarray::iterator here = response.docInfo.begin();
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412 | ResultDocInfo_tarray::iterator end = response.docInfo.end();
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413 |
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414 | // we're assuming that we've always got a search button
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415 | text_t shorttext = "<ul><li>_textSearchshort_\n";
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416 | text_t longtext = "_textSearchlong_";
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417 |
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418 | while (here != end) {
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419 | text_t title = (*here).metadata["Title"].values[0];
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420 |
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421 | text_t stext, ltext;
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422 | disp.expandstring ("help", "_text" + title + "short_", stext);
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423 | if (stext == ("_text" + title + "short_")) {
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424 | shorttext += "<li>_help:textdefaultshorttext_";
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425 | longtext += "_help:textdefaultlongtext_";
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426 | } else {
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427 | shorttext += "<li>" + stext;
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428 | longtext += "_help:text" + title + "long_";
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429 | }
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430 |
|
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431 | here ++;
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432 | }
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433 | shorttext += "</ul>\n";
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434 | if (response.docInfo.size() > 1) disp.setmacro ("textbrowseoptions", "help", shorttext + longtext);
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435 | else disp.setmacro ("textbrowseoptions", "help", longtext);
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436 |
|
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437 | if (arg_p == "about") {
|
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438 |
|
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439 | // _textsubcollections_
|
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440 | if (args["ccs"] == "1" && (cinfo.ccsCols.size() > 1)) {
|
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441 | text_t textsubcollections = "_textsubcols1_(" + text_t(cinfo.ccsCols.size()) + ")";
|
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442 | text_tarray::const_iterator here = cinfo.ccsCols.begin();
|
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443 | text_tarray::const_iterator end = cinfo.ccsCols.end();
|
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444 | bool first = true;
|
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445 | while (here != end) {
|
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446 | if (*here == arg_c) {
|
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447 | if (!first) textsubcollections += "<br>";
|
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448 | textsubcollections += "\n" + cinfo.collectionmeta["collectionname"] + "\n";
|
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449 | } else {
|
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450 | ColInfoResponse_t this_cinfo;
|
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451 | collectproto->get_collectinfo (*here, this_cinfo, err, logout);
|
---|
452 | if (err == noError) {
|
---|
453 | if (!first) textsubcollections += "<br>";
|
---|
454 | textsubcollections += "\n" + this_cinfo.collectionmeta["collectionname"] + "\n";
|
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455 | }
|
---|
456 | }
|
---|
457 | first = false;
|
---|
458 | here ++;
|
---|
459 | }
|
---|
460 | textsubcollections += "_textsubcols2_";
|
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461 | disp.setmacro ("textsubcollections", "about", textsubcollections);
|
---|
462 | }
|
---|
463 | }
|
---|
464 | }
|
---|
465 | }
|
---|
466 |
|
---|
467 | bool pageaction::do_action (cgiargsclass &args, recptprotolistclass * /*protos*/,
|
---|
468 | browsermapclass * /*browsers*/, displayclass &disp,
|
---|
469 | outconvertclass &outconvert, ostream &textout,
|
---|
470 | ostream &/*logout*/) {
|
---|
471 |
|
---|
472 | text_t &arg_p = args["p"];
|
---|
473 |
|
---|
474 | textout << outconvert << disp << ("_" + arg_p + ":header_\n")
|
---|
475 | << ("_" + arg_p + ":content_\n")
|
---|
476 | << ("_" + arg_p + ":footer_\n");
|
---|
477 |
|
---|
478 | return true;
|
---|
479 | }
|
---|