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 | status_disabled = true;
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34 | collector_disabled = true;
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35 | recpt = NULL;
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36 |
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37 | // this action uses cgi variables "a", "p", and "hp"
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38 | cgiarginfo arg_ainfo;
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39 | arg_ainfo.shortname = "a";
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40 | arg_ainfo.longname = "action";
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41 | arg_ainfo.multiplechar = true;
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42 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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43 | arg_ainfo.argdefault = "p";
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44 | arg_ainfo.savedarginfo = cgiarginfo::must;
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45 | argsinfo.addarginfo (NULL, arg_ainfo);
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46 |
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47 | arg_ainfo.shortname = "p";
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48 | arg_ainfo.longname = "page";
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49 | arg_ainfo.multiplechar = true;
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50 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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51 | arg_ainfo.argdefault = "home";
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52 | arg_ainfo.savedarginfo = cgiarginfo::must;
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53 | argsinfo.addarginfo (NULL, arg_ainfo);
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54 |
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55 | arg_ainfo.shortname = "hp";
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56 | arg_ainfo.longname = "html page";
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57 | arg_ainfo.multiplechar = true;
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58 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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59 | arg_ainfo.argdefault = "";
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60 | arg_ainfo.savedarginfo = cgiarginfo::mustnot;
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61 | argsinfo.addarginfo (NULL, arg_ainfo);
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62 | }
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63 |
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64 | pageaction::~pageaction () {
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65 | }
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66 |
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67 | bool pageaction::check_cgiargs (cgiargsinfoclass &/*argsinfo*/, cgiargsclass &/*args*/,
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68 | ostream &/*logout*/) {
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69 | // don't want to check anything yet.
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70 | return true;
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71 | }
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72 |
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73 | void pageaction::get_cgihead_info (cgiargsclass &/*args*/, recptprotolistclass * /*protos*/,
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74 | response_t &response,text_t &response_data,
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75 | ostream &/*logout*/) {
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76 | response = content;
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77 | response_data = "text/html";
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78 | }
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79 |
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80 | void pageaction::set_homeextra_macro (displayclass &disp, recptprotolistclass *protos,
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81 | ostream &logout) {
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82 | cout << "Setting homepage " << endl;
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83 |
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84 | text_t homeextra = "<center><table width=_pagewidth_><tr valign=top>\n";
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85 | bool found_valid_col = false;
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86 |
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87 | recptprotolistclass::iterator rprotolist_here = protos->begin();
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88 | recptprotolistclass::iterator rprotolist_end = protos->end();
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89 | while (rprotolist_here != rprotolist_end) {
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90 | if ((*rprotolist_here).p != NULL) {
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91 |
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92 | text_tarray collist;
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93 | comerror_t err;
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94 | (*rprotolist_here).p->get_collection_list (collist, err, logout);
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95 | if (err == noError) {
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96 | text_tarray::iterator collist_here = collist.begin();
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97 | text_tarray::iterator collist_end = collist.end();
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98 |
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99 | int count = 0;
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100 | bool first = true;
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101 | while (collist_here != collist_end) {
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102 | ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr ((*rprotolist_here).p, *collist_here, logout);
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103 |
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104 | if (cinfo != NULL) {
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105 | if (cinfo->isPublic && (cinfo->buildDate > 0)) {
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106 |
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107 | found_valid_col = true;
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108 | FilterResponse_t response;
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109 | text_tset metadata;
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110 | metadata.insert ("collectionname");
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111 | metadata.insert ("iconcollection");
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112 | metadata.insert ("iconcollectionsmall");
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113 | text_t collectionname = *collist_here;
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114 | text_t alt = collectionname;
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115 |
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116 | if (get_info ("collection", *collist_here, metadata, false,
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117 | (*rprotolist_here).p, response, logout)) {
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118 | if (!response.docInfo[0].metadata["collectionname"].values[0].empty())
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119 | alt = response.docInfo[0].metadata["collectionname"].values[0];
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120 |
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121 | text_t iconurl;
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122 | iconurl.clear();
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123 |
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124 | if (!response.docInfo[0].metadata["iconcollectionsmall"].values[0].empty())
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125 | collectionname = "<img width=150 border=1 src=\""
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126 | + response.docInfo[0].metadata["iconcollectionsmall"].values[0]
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127 | + "\" alt=\"" + alt + "\">";
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128 | else if (!response.docInfo[0].metadata["iconcollection"].values[0].empty())
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129 | {
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130 | iconurl = response.docInfo[0].metadata["iconcollection"].values[0];
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131 | }
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132 |
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133 | if (!iconurl.empty())
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134 | {
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135 | // check to see URL is local to colserver
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136 | text_t::iterator iconurl_head = iconurl.begin();
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137 | text_t iconhead = substr(iconurl_head,iconurl_head+16);
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138 | if (iconhead=="_httpcollection_")
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139 | {
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140 | // local and using _httpcollection_
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141 | text_t icontail = substr(iconurl_head+16,iconurl.end());
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142 | iconurl = "http://" + cinfo->httpdomain
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143 | + cinfo->httpprefix + "/collect/"
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144 | + *collist_here + "/" + icontail;
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145 | }
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146 | else if (iconurl[0]=='/')
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147 | {
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148 | // local but with full path
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149 | iconurl = "http://" + cinfo->httpdomain + iconurl;
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150 | }
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151 |
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152 | collectionname
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153 | = "<img width=150 border=1 src=\"" + iconurl + "\" alt=\"" + alt + "\">";
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154 | }
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155 | else
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156 | {
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157 | collectionname = alt;
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158 | }
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159 |
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160 | }
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161 | if ((count%3 == 0) && (!first))
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162 | homeextra += "</tr><tr valign=top>\n";
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163 |
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164 | text_t optsite = "";
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165 | text_t site_name = (*rprotolist_here).p->get_site_name ();
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166 | if (!site_name.empty()) { optsite = "site="+site_name+"&"; }
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167 |
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168 | text_t link = "<a href=\"_gwcgi_?"+optsite+"a=p&p=about&c=" + *collist_here + "\">";
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169 | if (*collist_here == "chinese")
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170 | link = "<a href=\"_gwcgi_?"+optsite+"a=p&p=about&l=zh&nw=u&c=" + *collist_here + "\">";
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171 | if (*collist_here == "arabic")
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172 | link = "<a href=\"_gwcgi_?"+optsite+"a=p&p=about&w=a&c=" + *collist_here + "\">";
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173 |
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174 | if (!cinfo->receptionist.empty())
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175 | link = "<a href=\"" + cinfo->receptionist + "\">";
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176 |
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177 | homeextra += "<td>" + link + collectionname + "</a></td>\n";
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178 |
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179 | count ++;
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180 | first = false;
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181 | }
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182 | }
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183 | collist_here ++;
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184 | }
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185 |
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186 | // disp.setmacro ("homeextra", "home", homeextra);
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187 | for (; count%3 != 0; count ++) homeextra += "<td></td>\n";
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188 | }
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189 | }
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190 | homeextra += "</td></tr>\n<tr>\n";
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191 | rprotolist_here ++;
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192 | }
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193 |
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194 | if (!found_valid_col) {
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195 | homeextra += "<td>No valid (i.e. built and public) collections are available</td>\n";
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196 | }
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197 | homeextra += "</tr></table></center>\n";
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198 | disp.setmacro ("homeextra", "home", homeextra);
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199 | }
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200 |
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201 | void pageaction::define_internal_macros (displayclass &disp, cgiargsclass &args,
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202 | recptprotolistclass *protos, ostream &logout) {
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203 |
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204 | cout << "Defining internal macros" << endl;
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205 |
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206 | // define_internal_macros sets the following macros:
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207 |
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208 | // _numdocs_ the number of documents in the collection
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209 |
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210 | // _builddate_ the date last built
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211 |
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212 |
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213 | // if page is "home"
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214 | // _homeextra_ this is the list of available collections and collection info
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215 | // to be displayed on the home page
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216 |
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217 |
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218 | // if page is "preferences"
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219 | // _collectionoption_ collections to search/browse (if cross-collection-searching is on)
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220 |
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221 | // _htmloptions_ set to _htmloptionson_ if DocumentUseHTML is set
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222 |
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223 | // _PreferencesDocsFromWeb_ set to 1 if corresponding format option is set
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224 |
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225 | // _languageoption_ interface languages to select from (dependant on PreferenceLanguages)
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226 |
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227 | // _encodingoption_ encodings to select from
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228 |
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229 | // if page is "about"
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230 | // _textsubcollections_ the text on which subcollections make up the collection (if
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231 | // cross-collection searching is being used
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232 |
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233 | // _textbrowseoptions_ the 'how to find information' text in the about and help pages
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234 |
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235 | // _numbrowseoptions_ the number of browsing options
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236 |
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237 |
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238 | // if page is "help"
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239 | // _textbrowseoptions_ the 'how to find information' text in the about and help pages
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240 |
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241 | // _numbrowseoptions_ the number of browsing options
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242 |
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243 | // _topicreadingdocs_ this section of the help text differs depending on what type of
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244 | // _textreadingdocs_ collection it is (e.g. html collection, bibliographic collection etc.)
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245 | // _texthelpreadingdocs_
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246 |
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247 | // _textgocollector_ set to "" if collector is disabled in main.cfg
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248 | // _textgoadmin_ set to "" if status is disabled in main.cfg
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249 |
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250 |
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251 | cout << "Defining internal macros" << endl;
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252 |
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253 | if (recpt == NULL) {
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254 | logout << "ERROR (pageaction::define_internal_macros): This action does not contain\n"
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255 | << " information about any receptionists. The method set_receptionist was\n"
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256 | << " probably not called from the module which instantiated this action.\n";
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257 | return;
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258 | }
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259 |
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260 | cout << "Defining internal macros" << endl;
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261 |
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262 | text_t &arg_p = args["p"];
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263 | text_t &arg_c = args["c"];
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264 | ColInfoResponse_t *cinfo = NULL;
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265 |
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266 | cout << "Subaction is " << arg_p << endl;
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267 |
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268 | recptproto* collectproto = protos->getrecptproto (arg_c, logout);
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269 | if (collectproto != NULL) {
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270 | cinfo = recpt->get_collectinfo_ptr (collectproto, arg_c, logout);
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271 |
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272 | disp.setmacro ("numdocs", "Global", cinfo->numDocs);
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273 | unsigned long current_time = time(NULL);
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274 | unsigned long builddate = (current_time - cinfo->buildDate) / 86400;
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275 | disp.setmacro ("builddate", "Global", builddate);
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276 | }
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277 |
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278 | cout << "Subaction is " << arg_p << endl;
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279 |
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280 | if (arg_p == "home") {
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281 | set_homeextra_macro (disp, protos, logout);
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282 | if (status_disabled) disp.setmacro ("textgoadmin", "home", "");
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283 | if (collector_disabled) disp.setmacro ("textgocollector", "home", "");
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284 | }
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285 |
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286 | else if (arg_p == "preferences") {
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287 |
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288 | // _collectionoption_
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289 |
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290 | if (args["ccs"] == "1" && collectproto != NULL && (cinfo->ccsCols.size() > 1)) {
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291 | text_t collectionoption = "_textcollectionoption_";
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292 | text_tarray::const_iterator col_here = cinfo->ccsCols.begin();
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293 | text_tarray::const_iterator col_end = cinfo->ccsCols.end();
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294 | int count = 0;
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295 | while (col_here != col_end) {
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296 | text_t colname;
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297 | if (*col_here == arg_c) {
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298 | colname = cinfo->collectionmeta["collectionname"];
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299 | } else {
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300 | ColInfoResponse_t *this_cinfo = recpt->get_collectinfo_ptr (collectproto, *col_here, logout);
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301 | if (this_cinfo == NULL) {col_here ++; continue;}
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302 | colname = this_cinfo->collectionmeta["collectionname"];
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303 | }
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304 |
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305 | count ++;
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306 | collectionoption += "<input type=checkbox name=\"cc\" value=\"" +
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307 | *col_here + "\" onClick=\"updatecc(\'" + *col_here + "\');\"> " +
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308 | colname + "<br>\n";
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309 | col_here ++;
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310 | }
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311 |
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312 | if (count > 1)
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313 | disp.setmacro ("collectionoption", "preferences", collectionoption);
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314 | }
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315 |
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316 | // _htmloptions_
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317 |
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318 | text_tmap::const_iterator it = cinfo->format.find ("DocumentUseHTML");
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319 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
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320 | disp.setmacro ("htmloptions", "preferences", "_htmloptionson_");
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321 |
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322 |
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323 | // _PreferenceDocsFromWeb_
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324 |
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325 | it = cinfo->format.find ("PreferenceDocsFromWeb");
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326 | if ((it == cinfo->format.end()) || ((*it).second == "true"))
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327 | disp.setmacro ("PreferenceDocsFromWeb", "preferences", "1");
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328 | }
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329 |
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330 | // _languageoption_
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331 | // Create the "interface language" selection box for the preferences page.
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332 | // You can use something like "format PreferenceLanguages en|fr|zn" from within
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333 | // a collect.cfg file to use only a subset of the available languages for
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334 | // any given collection. This facility is kind of ugly though and should be
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335 | // replaced by something better when the configuration files are tidied up (as
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336 | // should all the other "format Preference..." options).
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337 |
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338 | text_t &arg_l = args["l"];
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339 | const recptconf &configinfo = recpt->get_configinfo();
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340 | // put languages in another map to sort them by longname
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341 | text_tmap languages;
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342 | languageinfo_tmap::const_iterator thislang = configinfo.languages.begin();
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343 | languageinfo_tmap::const_iterator endlang = configinfo.languages.end();
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344 | while (thislang != endlang) {
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345 | languages[(*thislang).second.longname] = (*thislang).first;
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346 | thislang++;
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347 | }
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348 | text_tmap::iterator tlang = languages.begin();
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349 | text_tmap::iterator elang = languages.end();
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350 |
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351 | text_t languageoption;
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352 | it = cinfo->format.find ("PreferenceLanguages");
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353 | if ((it != cinfo->format.end()) && (!(*it).second.empty())) {
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354 | text_tset pref_langs;
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355 | splitchar ((*it).second.begin(), (*it).second.end(), '|', pref_langs);
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356 | if (pref_langs.size() > 1) {
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357 | while (tlang != elang) {
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358 | if (pref_langs.find((*tlang).second) != pref_langs.end()) {
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359 | languageoption += "<option value=\"" + (*tlang).second + "\"";
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360 | if ((*tlang).second == arg_l) languageoption += " selected";
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361 | languageoption += ">" + (*tlang).first + "\n";
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362 | }
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363 | tlang ++;
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364 | }
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365 | }
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366 |
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367 | if (pref_langs.find("zh") == pref_langs.end())
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368 | disp.setmacro ("encodingoption", "preferences", "");
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369 |
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370 | } else {
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371 | while (tlang != elang) {
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372 | languageoption += "<option value=\"" + (*tlang).second + "\"";
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373 | if ((*tlang).second == arg_l) languageoption += " selected";
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374 | languageoption += ">" + (*tlang).first + "\n";
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375 | tlang ++;
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376 | }
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377 | }
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378 | if (!languageoption.empty()) {
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379 | languageoption = "<select name=\"l\" onChange=\"updatel();\">\n" + languageoption;
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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 | // create the "encoding" selection box for the preferences page
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386 | text_t &arg_w = args["w"];
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387 | // put encodings in another map to sort them by longname
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388 | text_tmap encodings;
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389 | encodinginfo_tmap::const_iterator thisenc = configinfo.encodings.begin();
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390 | encodinginfo_tmap::const_iterator endenc = configinfo.encodings.end();
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391 | while (thisenc != endenc) {
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392 | encodings[(*thisenc).second.longname] = (*thisenc).first;
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393 | thisenc++;
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394 | }
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395 | text_tmap::iterator tenc = encodings.begin();
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396 | text_tmap::iterator eenc = encodings.end();
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397 |
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398 | text_t encodingoption;
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399 | while (tenc != eenc) {
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400 | encodingoption += "<option value=\"" + (*tenc).second + "\"";
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401 | if ((*tenc).second == arg_w) encodingoption += " selected";
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402 | encodingoption += ">" + (*tenc).first + "\n";
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403 | tenc ++;
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404 | }
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405 |
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406 | if (!encodingoption.empty()) {
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407 | encodingoption = "<select name=\"w\" onChange=\"updatew();\">\n" + encodingoption;
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408 | encodingoption += "</select>\n";
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409 | disp.setmacro ("encodingoption", "preferences", encodingoption);
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410 | }
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411 |
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412 | } else if (arg_p == "about" || arg_p == "help") {
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413 | if (collectproto == NULL) return;
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414 |
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415 | // _textbrowseoptions_ and _numbrowseoptions_
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416 |
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417 | FilterResponse_t response;
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418 | text_tset metadata;
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419 | metadata.insert ("Title");
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420 | bool getParents = false;
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421 | get_children ("", args["c"], metadata, getParents, collectproto, response, logout);
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422 |
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423 | disp.setmacro ("numbrowseoptions", "help", response.docInfo.size()+1);
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424 |
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425 | ResultDocInfo_tarray::iterator here = response.docInfo.begin();
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426 | ResultDocInfo_tarray::iterator end = response.docInfo.end();
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427 |
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428 | // we're assuming that we've always got a search button
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429 | text_t shorttext = "<ul><li>_textSearchshort_\n";
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430 | text_t longtext = "_textSearchlong_";
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431 |
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432 | while (here != end) {
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433 | text_t title = (*here).metadata["Title"].values[0];
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434 |
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435 | text_t stext, ltext;
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436 | disp.expandstring ("help", "_text" + title + "short_", stext);
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437 | if (stext == ("_text" + title + "short_")) {
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438 | shorttext += "<li>_help:textdefaultshorttext_";
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439 | longtext += "_help:textdefaultlongtext_";
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440 | } else {
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441 | shorttext += "<li>_help:text" + title + "short_";
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442 | longtext += "_help:text" + title + "long_";
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443 | }
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444 |
|
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445 | here ++;
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446 | }
|
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447 | shorttext += "</ul>\n";
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448 | if (response.docInfo.size() > 1) disp.setmacro ("textbrowseoptions", "help", shorttext + longtext);
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449 | else disp.setmacro ("textbrowseoptions", "help", longtext);
|
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450 |
|
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451 | if (arg_p == "help") {
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452 |
|
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453 | // _topicreadingdocs_ _textreadingdocs_ _texthelpreadingdocs_
|
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454 |
|
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455 | // if HTML collection there's no how to read document text
|
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456 | text_tmap::const_iterator it = cinfo->format.find ("HelpNoDocs");
|
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457 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
|
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458 | disp.setmacro ("topicreadingdocs", "help", "");
|
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459 | disp.setmacro ("texthelpreadingdocs", "help", "");
|
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460 | }
|
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461 | it = cinfo->format.find ("HelpBibDocs");
|
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462 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
|
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463 | disp.setmacro ("texthelpreadingdocs", "help", "_bibtexthelpreadingdocs_");
|
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464 | disp.setmacro ("textreadingdocs", "help", "_bibtextreadingdocs_");
|
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465 | }
|
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466 | it = cinfo->format.find ("HelpBookDocs");
|
---|
467 | if ((it != cinfo->format.end()) && ((*it).second == "true")) {
|
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468 | disp.setmacro ("texthelpreadingdocs", "help", "_booktexthelpreadingdocs_");
|
---|
469 | disp.setmacro ("textreadingdocs", "help", "_booktextreadingdocs_");
|
---|
470 | }
|
---|
471 |
|
---|
472 | }
|
---|
473 | if (arg_p == "about") {
|
---|
474 |
|
---|
475 | // _textsubcollections_
|
---|
476 | if (args["ccs"] == "1" && (cinfo->ccsCols.size() > 1)) {
|
---|
477 | text_t textsubcollections = "_textsubcols1_(" + text_t(cinfo->ccsCols.size()) + ")";
|
---|
478 | text_tarray::const_iterator here = cinfo->ccsCols.begin();
|
---|
479 | text_tarray::const_iterator end = cinfo->ccsCols.end();
|
---|
480 | bool first = true;
|
---|
481 | int count = 0;
|
---|
482 | while (here != end) {
|
---|
483 | if (*here == arg_c) {
|
---|
484 | if (!first) textsubcollections += "<br>";
|
---|
485 | textsubcollections += "\n" + cinfo->collectionmeta["collectionname"] + "\n";
|
---|
486 | } else {
|
---|
487 | ColInfoResponse_t *this_cinfo = recpt->get_collectinfo_ptr (collectproto, *here, logout);
|
---|
488 | if (this_cinfo == NULL) {here ++; continue;}
|
---|
489 | if (!first) textsubcollections += "<br>";
|
---|
490 | textsubcollections += "\n" + this_cinfo->collectionmeta["collectionname"] + "\n";
|
---|
491 | }
|
---|
492 | count ++;
|
---|
493 | first = false;
|
---|
494 | here ++;
|
---|
495 | }
|
---|
496 | textsubcollections += "_textsubcols2_";
|
---|
497 | if (count > 1)
|
---|
498 | disp.setmacro ("textsubcollections", "about", textsubcollections);
|
---|
499 | }
|
---|
500 | }
|
---|
501 | }
|
---|
502 | }
|
---|
503 |
|
---|
504 | bool pageaction::do_action (cgiargsclass &args, recptprotolistclass * /*protos*/,
|
---|
505 | browsermapclass * /*browsers*/, displayclass &disp,
|
---|
506 | outconvertclass &outconvert, ostream &textout,
|
---|
507 | ostream &/*logout*/) {
|
---|
508 |
|
---|
509 | text_t &arg_p = args["p"];
|
---|
510 |
|
---|
511 | textout << outconvert << disp << ("_" + arg_p + ":header_\n")
|
---|
512 | << ("_" + arg_p + ":content_\n")
|
---|
513 | << ("_" + arg_p + ":footer_\n");
|
---|
514 |
|
---|
515 | return true;
|
---|
516 | }
|
---|
517 |
|
---|
518 | void pageaction::configure (const text_t &key, const text_tarray &cfgline) {
|
---|
519 | if ((key == "status") && (cfgline.size() == 1) &&
|
---|
520 | (cfgline[0] == "true" || cfgline[0] == "on" || cfgline[0] == "enabled")) {
|
---|
521 | status_disabled = false;
|
---|
522 | } else if ((key == "collector") && (cfgline.size() == 1) &&
|
---|
523 | (cfgline[0] == "true" || cfgline[0] == "on" || cfgline[0] == "enabled")) {
|
---|
524 | collector_disabled = false;
|
---|
525 | } else {
|
---|
526 | // call the parent class to deal with the things which
|
---|
527 | // are not dealt with here
|
---|
528 | action::configure (key, cfgline);
|
---|
529 | }
|
---|
530 | }
|
---|