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 |
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151 | // disp.setmacro ("homeextra", "home", homeextra);
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152 | for (; count%3 != 0; count ++) homeextra += "<td></td>\n";
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153 | }
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154 | }
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155 | homeextra += "</td></tr>\n<tr>\n";
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156 | rprotolist_here ++;
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157 | }
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158 |
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159 | if (!found_valid_col) {
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160 | homeextra += "<td>No valid (i.e. built and public) collections are available</td>\n";
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161 | }
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162 | homeextra += "</tr></table></center>\n";
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163 | disp.setmacro ("homeextra", "home", homeextra);
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164 |
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165 | }
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166 |
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167 | void pageaction::define_internal_macros (displayclass &disp, cgiargsclass &args,
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168 | recptprotolistclass *protos, ostream &logout) {
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169 |
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170 | // define_internal_macros sets the following macros:
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171 |
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172 | // _numdocs_ the number of documents in the collection
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173 |
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174 | // _builddate_ the date last built
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175 |
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176 |
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177 | // if page is "home"
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178 | // _homeextra_ this is the list of available collections and collection info
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179 | // to be displayed on the home page
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180 |
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181 |
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182 | // if page is "preferences"
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183 | // _collectionoption_ collections to search/browse (if cross-collection-searching is on)
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184 |
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185 | // _htmloptions_ set to _htmloptionson_ if DocumentUseHTML is set
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186 |
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187 | // _PreferencesDocsFromWeb_ set to 1 if corresponding format option is set
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188 |
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189 | // _languageoption_ interface languages to select from (dependant on PreferenceLanguages)
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190 |
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191 | // _encodingoption_ will be overridden to "" if chinese language interface isn't specified
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192 |
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193 | // if page is "about"
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194 | // _textsubcollections_ the text on which subcollections make up the collection (if
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195 | // cross-collection searching is being used
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196 |
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197 | // _textbrowseoptions_ the 'how to find information' text in the about and help pages
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198 |
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199 | // _numbrowseoptions_ the number of browsing options
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200 |
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201 |
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202 | // if page is "help"
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203 | // _textbrowseoptions_ the 'how to find information' text in the about and help pages
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204 |
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205 | // _numbrowseoptions_ the number of browsing options
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206 |
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207 | // _topicreadingdocs_ this section of the help text differs depending on what type of
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208 | // _textreadingdocs_ collection it is (e.g. html collection, bibliographic collection etc.)
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209 | // _texthelpreadingdocs_
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210 |
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211 |
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212 | if (recpt == NULL) {
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213 | logout << "ERROR (pageaction::define_internal_macros): This action does not contain\n"
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214 | << " information about any receptionists. The method set_receptionist was\n"
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215 | << " probably not called from the module which instantiated this action.\n";
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216 | return;
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217 | }
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218 |
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219 | text_t &arg_p = args["p"];
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220 | text_t &arg_c = args["c"];
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221 | ColInfoResponse_t *cinfo = NULL;
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222 |
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223 | recptproto* collectproto = protos->getrecptproto (arg_c, logout);
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224 | if (collectproto != NULL) {
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225 | cinfo = recpt->get_collectinfo_ptr (collectproto, arg_c, logout);
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226 |
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227 | disp.setmacro ("numdocs", "Global", cinfo->numDocs);
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228 | unsigned long current_time = time(NULL);
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229 | unsigned long builddate = (current_time - cinfo->buildDate) / 86400;
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230 | disp.setmacro ("builddate", "Global", builddate);
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231 | }
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232 |
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233 | if (arg_p == "home") set_homeextra_macro (disp, protos, logout);
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234 |
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235 | else if (arg_p == "preferences") {
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236 |
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237 | // _collectionoption_
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238 |
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239 | if (args["ccs"] == "1" && collectproto != NULL && (cinfo->ccsCols.size() > 1)) {
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240 | text_t collectionoption = "_textcollectionoption_";
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241 | text_tarray::const_iterator col_here = cinfo->ccsCols.begin();
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242 | text_tarray::const_iterator col_end = cinfo->ccsCols.end();
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243 | int count = 0;
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244 | while (col_here != col_end) {
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245 | text_t colname;
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246 | if (*col_here == arg_c) {
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247 | colname = cinfo->collectionmeta["collectionname"];
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248 | } else {
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249 | ColInfoResponse_t *this_cinfo = recpt->get_collectinfo_ptr (collectproto, *col_here, logout);
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250 | if (this_cinfo == NULL) {col_here ++; continue;}
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251 | colname = this_cinfo->collectionmeta["collectionname"];
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252 | }
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253 |
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254 | count ++;
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255 | collectionoption += "<input type=checkbox name=\"cc\" value=\"" +
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256 | *col_here + "\" onClick=\"updatecc(\'" + *col_here + "\');\"> " +
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257 | colname + "<br>\n";
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258 | col_here ++;
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259 | }
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260 |
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261 | if (count > 1)
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262 | disp.setmacro ("collectionoption", "preferences", collectionoption);
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263 | }
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264 |
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265 | // _htmloptions_
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266 |
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267 | text_tmap::const_iterator it = cinfo->format.find ("DocumentUseHTML");
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268 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
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269 | disp.setmacro ("htmloptions", "preferences", "_htmloptionson_");
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270 |
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271 |
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272 | // _PreferenceDocsFromWeb_
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273 |
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274 | it = cinfo->format.find ("PreferenceDocsFromWeb");
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275 | if ((it == cinfo->format.end()) || ((*it).second == "true"))
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276 | disp.setmacro ("PreferenceDocsFromWeb", "preferences", "1");
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277 | }
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278 |
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279 | // _languageoption_
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280 | // this is kind of a hack (another one!!). note that there're potential
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281 | // problems here as no checking is done anywhere to make sure language
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282 | // is set to a valid value. this does allow us to set which languages
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283 | // should go in the preference selection box (from collect.cfg) however
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284 | // and that's sufficient for current requirements
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285 |
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286 | // currently supported languages (_languageoption_ will default to all
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287 | // these languages unless PreferenceLanguages is set
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288 | text_tarray languages;
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289 | languages.push_back ("en");
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290 | languages.push_back ("fr");
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291 | languages.push_back ("de");
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292 | languages.push_back ("es");
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293 | languages.push_back ("mi");
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294 | languages.push_back ("zh");
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295 | languages.push_back ("ar");
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296 | languages.push_back ("pt");
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297 | languages.push_back ("nl");
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298 | text_tarray::const_iterator this_lang = languages.begin();
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299 | text_tarray::const_iterator end_lang = languages.end();
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300 |
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301 | text_t languageoption = "_textlanguage_\n<select name=\"l\" onChange=\"updatel();\">\n";
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302 | it = cinfo->format.find ("PreferenceLanguages");
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303 | if ((it != cinfo->format.end()) && (!(*it).second.empty())) {
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304 | text_tset pref_langs;
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305 | splitchar ((*it).second.begin(), (*it).second.end(), '|', pref_langs);
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306 | if (pref_langs.size() > 1) {
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307 | while (this_lang != end_lang) {
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308 | if (pref_langs.find(*this_lang) != pref_langs.end())
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309 | languageoption += "_" + *this_lang + "languageoption_\n";
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310 | this_lang ++;
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311 | }
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312 | languageoption += "</select>\n";
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313 | disp.setmacro ("languageoption", "preferences", languageoption);
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314 | }
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315 |
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316 | // _encodingoption_
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317 |
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318 | if (pref_langs.find("zh") == pref_langs.end())
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319 | disp.setmacro ("encodingoption", "preferences", "");
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320 |
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321 | } else {
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322 | while (this_lang != end_lang) {
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323 | languageoption += "_" + *this_lang + "languageoption_\n";
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324 | this_lang ++;
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325 | }
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326 | languageoption += "</select>\n";
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327 | disp.setmacro ("languageoption", "preferences", languageoption);
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328 | }
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329 |
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330 | } else if (arg_p == "about" || arg_p == "help") {
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331 | if (collectproto == NULL) return;
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332 |
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333 | // _textbrowseoptions_ and _numbrowseoptions_
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334 |
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335 | FilterResponse_t response;
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336 | text_tset metadata;
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337 | metadata.insert ("Title");
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338 | bool getParents = false;
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339 | get_children ("", args["c"], metadata, getParents, collectproto, response, logout);
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340 |
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341 | disp.setmacro ("numbrowseoptions", "help", response.docInfo.size()+1);
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342 |
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343 | ResultDocInfo_tarray::iterator here = response.docInfo.begin();
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344 | ResultDocInfo_tarray::iterator end = response.docInfo.end();
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345 |
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346 | // we're assuming that we've always got a search button
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347 | text_t shorttext = "<ul><li>_textSearchshort_\n";
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348 | text_t longtext = "_textSearchlong_";
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349 |
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350 | while (here != end) {
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351 | text_t title = (*here).metadata["Title"].values[0];
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352 |
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353 | text_t stext, ltext;
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354 | disp.expandstring ("help", "_text" + title + "short_", stext);
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355 | if (stext == ("_text" + title + "short_")) {
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356 | shorttext += "<li>_help:textdefaultshorttext_";
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357 | longtext += "_help:textdefaultlongtext_";
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358 | } else {
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359 | shorttext += "<li>_help:text" + title + "short_";
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360 | longtext += "_help:text" + title + "long_";
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361 | }
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362 |
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363 | here ++;
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364 | }
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365 | shorttext += "</ul>\n";
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366 | if (response.docInfo.size() > 1) disp.setmacro ("textbrowseoptions", "help", shorttext + longtext);
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367 | else disp.setmacro ("textbrowseoptions", "help", longtext);
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368 |
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369 | if (arg_p == "help") {
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370 |
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371 | // _topicreadingdocs_ _textreadingdocs_ _texthelpreadingdocs_
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372 |
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373 | // if HTML collection there's no how to read document text
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374 | text_tmap::const_iterator it = cinfo->format.find ("HelpNoDocs");
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375 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
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376 | disp.setmacro ("topicreadingdocs", "help", "");
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377 | disp.setmacro ("texthelpreadingdocs", "help", "");
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378 | }
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379 | it = cinfo->format.find ("HelpBibDocs");
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380 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
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381 | disp.setmacro ("texthelpreadingdocs", "help", "_bibtexthelpreadingdocs_");
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382 | disp.setmacro ("textreadingdocs", "help", "_bibtextreadingdocs_");
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383 | }
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384 | it = cinfo->format.find ("HelpBookDocs");
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385 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
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386 | disp.setmacro ("texthelpreadingdocs", "help", "_booktexthelpreadingdocs_");
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387 | disp.setmacro ("textreadingdocs", "help", "_booktextreadingdocs_");
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388 | }
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389 |
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390 | }
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391 | if (arg_p == "about") {
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392 |
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393 | // _textsubcollections_
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394 | if (args["ccs"] == "1" && (cinfo->ccsCols.size() > 1)) {
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395 | text_t textsubcollections = "_textsubcols1_(" + text_t(cinfo->ccsCols.size()) + ")";
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396 | text_tarray::const_iterator here = cinfo->ccsCols.begin();
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397 | text_tarray::const_iterator end = cinfo->ccsCols.end();
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398 | bool first = true;
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399 | int count = 0;
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400 | while (here != end) {
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401 | if (*here == arg_c) {
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402 | if (!first) textsubcollections += "<br>";
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403 | textsubcollections += "\n" + cinfo->collectionmeta["collectionname"] + "\n";
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404 | } else {
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405 | ColInfoResponse_t *this_cinfo = recpt->get_collectinfo_ptr (collectproto, *here, logout);
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406 | if (this_cinfo == NULL) {here ++; continue;}
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407 | if (!first) textsubcollections += "<br>";
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408 | textsubcollections += "\n" + this_cinfo->collectionmeta["collectionname"] + "\n";
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409 | }
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410 | count ++;
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411 | first = false;
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412 | here ++;
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413 | }
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414 | textsubcollections += "_textsubcols2_";
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415 | if (count > 1)
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416 | disp.setmacro ("textsubcollections", "about", textsubcollections);
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417 | }
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418 | }
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419 | }
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420 | }
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421 |
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422 | bool pageaction::do_action (cgiargsclass &args, recptprotolistclass * /*protos*/,
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423 | browsermapclass * /*browsers*/, displayclass &disp,
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424 | outconvertclass &outconvert, ostream &textout,
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425 | ostream &/*logout*/) {
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426 |
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427 | text_t &arg_p = args["p"];
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428 |
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429 | textout << outconvert << disp << ("_" + arg_p + ":header_\n")
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430 | << ("_" + arg_p + ":content_\n")
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431 | << ("_" + arg_p + ":footer_\n");
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432 |
|
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433 | return true;
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434 | }
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