| 1 | /**********************************************************************
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| 2 | *
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| 3 | * vlistbrowserclass.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 "vlistbrowserclass.h"
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| 27 | #include <assert.h>
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| 28 | #include "OIDtools.h"
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| 29 | #include "browsetoolsclass.h"
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| 30 |
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| 31 | vlistbrowserclass::vlistbrowserclass () {
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| 32 | }
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| 33 |
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| 34 | vlistbrowserclass::~vlistbrowserclass () {
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| 35 | }
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| 36 |
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| 37 | // returns the name that specifies the browserclass type
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| 38 | text_t vlistbrowserclass::get_browser_name () {
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| 39 | return "VList";
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| 40 | }
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| 41 |
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| 42 | browserclass* vlistbrowserclass::clone()
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| 43 | {
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| 44 | vlistbrowserclass* browser = new vlistbrowserclass();
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| 45 | if (browser != NULL) {
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| 46 | #ifdef GSDL_USE_BY_BOOK_MACROS
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| 47 | browser->m_oByBookMacros.Copy(m_oByBookMacros);
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| 48 | #endif
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| 49 | }
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| 50 | return browser;
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| 51 | }
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| 52 |
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| 53 | void vlistbrowserclass::load_metadata_defaults (text_tset &metadata) {
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| 54 | metadata.insert ("haschildren");
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| 55 | metadata.insert ("doctype");
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| 56 | }
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| 57 |
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| 58 | text_t vlistbrowserclass::get_default_formatstring () {
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| 59 | return "<td valign=\"top\">[link][icon][/link]</td>"
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| 60 | "<td valign=\"top\">[srclink]{Or}{[thumbicon],[srcicon]}[/srclink]</td>"
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| 61 | "<td valign=\"top\">[highlight]{Or}{[dls.Title],[dc.Title],[Title],Untitled}[/highlight]"
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| 62 | "{If}{[Source],<br><i>([Source])</i>}</td>";
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| 63 | }
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| 64 |
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| 65 | int vlistbrowserclass::output_section_group(ResultDocInfo_t §ion, cgiargsclass &args,
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| 66 | const text_t &collection, int colnumber,
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| 67 | format_t *formatlistptr, bool use_table,
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| 68 | text_tset &metadata, bool &getParents,
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| 69 | recptproto * collectproto, displayclass &disp,
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| 70 | outconvertclass &outconvert, ostream &textout,
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| 71 | ostream& logout)
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| 72 | {
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| 73 | browsetoolsclass btools;
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| 74 | text_t link, icon;
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| 75 | text_t collink = collection;
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| 76 |
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| 77 | #ifndef DOCHANDLE
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| 78 | if (!collink.empty()) collink = "&c=" + collink;
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| 79 | #endif
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| 80 |
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| 81 | get_link_icon (section, args, collink, link, icon);
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| 82 | bool highlight = false;
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| 83 | if (!args["d"].empty()) {
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| 84 | if (args["d"] == section.OID) highlight = true;
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| 85 | } else
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| 86 | if (args["cl"] == section.OID) highlight = true;
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| 87 |
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| 88 |
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| 89 | /* use_table is set to true if the format string starts with <td> */
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| 90 | if (use_table || colnumber > 0) {
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| 91 | textout << outconvert << "<table class=\"v_list\"><tr valign=\"top\">";
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| 92 | // get tab size
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| 93 | text_t tab; int itab;
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| 94 | disp.expandstring (displayclass::defaultpackage, "_tabwidth_", tab);
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| 95 | itab = tab.getint();
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| 96 | if (colnumber > 0) textout << outconvert << disp
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| 97 | << "<td><img alt=\"\" src=\"_httpimg_/space.gif\" width=\""
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| 98 | << (itab*colnumber) << "\"/></td>";
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| 99 | } else {
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| 100 | textout << outconvert << "<div class=\"v_list\">\n";
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| 101 | }
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| 102 |
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| 103 | text_tmap options;
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| 104 | options["link"] = link;
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| 105 | options["icon"] = icon;
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| 106 | if (highlight) options["highlight"] = "1";
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| 107 | else options["highlight"] = "0";
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| 108 | options["DocImage"] = btools.get_cover_image();
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| 109 | textout << outconvert << disp
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| 110 | << get_formatted_string (collection, collectproto,
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| 111 | section, disp, formatlistptr,
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| 112 | options, logout);
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| 113 |
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| 114 | if (use_table || colnumber > 0) {
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| 115 | textout << outconvert << "</tr></table>\n";
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| 116 | } else {
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| 117 | textout << outconvert << "</div>\n";
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| 118 | }
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| 119 |
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| 120 | return 1;
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| 121 | }
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| 122 |
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| 123 | int vlistbrowserclass::output_section_group(FilterResponse_t §ions, cgiargsclass &args,
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| 124 | const text_t &collection, int colnumber,
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| 125 | format_t *formatlistptr, bool use_table,
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| 126 | text_tset &/*metadata*/, bool &/*getParents*/,
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| 127 | recptproto * collectproto, displayclass &disp,
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| 128 | outconvertclass &outconvert, ostream &textout,
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| 129 | ostream& logout)
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| 130 | {
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| 131 | browsetoolsclass btools;
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| 132 | text_t link, icon;
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| 133 | text_t &arg_d = args["d"];
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| 134 | text_t &arg_cl = args["cl"];
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| 135 |
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| 136 | text_t collink = collection;
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| 137 | #ifndef DOCHANDLE
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| 138 | if (!collink.empty()) collink = "&c=" + collink;
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| 139 | #endif
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| 140 |
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| 141 | if (colnumber > 0) {
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| 142 | textout << outconvert << "<table><tr valign=\"top\">";
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| 143 | // get tab size
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| 144 | text_t tab; int itab;
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| 145 | disp.expandstring (displayclass::defaultpackage, "_tabwidth_", tab);
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| 146 | itab = tab.getint();
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| 147 | if (colnumber > 0) textout << outconvert << disp
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| 148 | << "<td><img alt=\"\" src=\"_httpimg_/space.gif\" width=\""
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| 149 | << (itab*colnumber) << "\"/></td>";
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| 150 | textout << outconvert << "<td>";
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| 151 | }
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| 152 |
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| 153 | /* use table set to true if format string starts with <td> */
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| 154 | if (use_table) {
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| 155 | textout << outconvert << "<table class=\"v_list\">\n";
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| 156 | } else {
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| 157 | textout << outconvert << "<div class=\"v_list\">\n";
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| 158 | }
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| 159 |
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| 160 | ResultDocInfo_tarray::iterator thissection = sections.docInfo.begin();
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| 161 | ResultDocInfo_tarray::iterator endsection = sections.docInfo.end();
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| 162 |
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| 163 | // ** here lies Alan's hack to get 4 results per table row
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| 164 | int item = 0, perline; // set perline to 1 normally
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| 165 | text_t fstring;
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| 166 |
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| 167 | text_tmap options;
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| 168 | options["link"] = link;
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| 169 | options["icon"] = icon;
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| 170 | options["highlight"] = "0";
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| 171 | options["DocImage"] = btools.get_cover_image();
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| 172 |
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| 173 | if ( thissection != endsection ) { // only if there are results (else corrupts display)
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| 174 | fstring = get_formatted_string (collection, collectproto, *thissection,
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| 175 | disp, formatlistptr, options, logout);
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| 176 | // if format string
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| 177 | // has <td><t (e.g. <td><table>) then
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| 178 | // we assume it is an image and put it in 4 columns
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| 179 | if (fstring[5] == 't')
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| 180 | perline = 4;
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| 181 | else
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| 182 | perline = 1;
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| 183 | }
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| 184 |
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| 185 | while (thissection != endsection) {
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| 186 | ++item;
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| 187 | get_link_icon (*thissection, args, collink, link, icon);
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| 188 | bool highlight = false;
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| 189 | if (!arg_d.empty()) {
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| 190 | if (arg_d == (*thissection).OID) highlight = true;
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| 191 | } else
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| 192 | if (arg_cl == (*thissection).OID) highlight = true;
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| 193 |
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| 194 | if ((item == 1 && use_table) || colnumber > 0 )
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| 195 | textout << outconvert << "<tr valign=top>\n";
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| 196 |
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| 197 | options["link"] = link;
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| 198 | options["icon"] = icon;
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| 199 | if (highlight) options["highlight"] = "1";
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| 200 | else options["highlight"] = "0";
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| 201 | options["DocImage"] = btools.get_cover_image();
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| 202 |
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| 203 | textout << outconvert << disp
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| 204 | << " " << get_formatted_string (collection, collectproto, *thissection, disp,
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| 205 | formatlistptr, options, logout);
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| 206 |
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| 207 | if ((item >= perline && use_table) || colnumber > 0) {
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| 208 | textout << outconvert << "\n</tr>";
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| 209 | item = 0;
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| 210 | }
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| 211 | textout << outconvert << "\n";
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| 212 | ++thissection;
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| 213 | }
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| 214 |
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| 215 | if (use_table)
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| 216 | textout << outconvert << "</table>\n";
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| 217 | else
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| 218 | textout << outconvert << "</div>\n";
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| 219 | if (colnumber > 0) textout << outconvert << "</td></tr></table>\n";
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| 220 |
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| 221 | return 1;
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| 222 | }
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| 223 |
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| 224 |
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| 225 | // get_link_icon attempts to work out what type of icon should be displayed for
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| 226 | // the given section and what it should link to.
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| 227 | // [modification to allow default document detach settings -- kjdon]
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| 228 | void vlistbrowserclass::get_link_icon (ResultDocInfo_t §ion, cgiargsclass &args,
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| 229 | const text_t &collink, text_t &link, text_t &icon) {
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| 230 |
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| 231 | #ifndef DOCHANDLE
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| 232 | link = "<a href=\"_httpdocument_" + collink;
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| 233 | #else
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| 234 | link = "<a href=\"_httpdocumenthandle_(" + collink;
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| 235 | #endif
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| 236 |
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| 237 | text_t link_end = "\">";
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| 238 | #ifndef DOCHANDLE
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| 239 | text_t detach_link_end = "&x=1\" target=\\_blank>"; // to detach the link, and x=1 signifies it is a detached page
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| 240 | #else
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| 241 | text_t detach_link_end = "\" target=\\_blank>"; // to detach the link, and x=1 signifies it is a detached page
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| 242 | #endif
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| 243 |
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| 244 | icon = "_document:icontext_";
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| 245 |
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| 246 | text_t doctype;
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| 247 | int haschildren = 0;
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| 248 |
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| 249 | if (section.metadata.count("haschildren")>0)
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| 250 | haschildren = section.metadata["haschildren"].values[0].getint();
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| 251 | if (section.metadata.count("doctype")>0)
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| 252 | doctype = section.metadata["doctype"].values[0];
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| 253 |
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| 254 | text_t &arg_d = args["d"];
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| 255 | text_t &arg_cl = args["cl"];
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| 256 |
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| 257 | if (args["a"] == "q") {
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| 258 | // query results list
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| 259 | #ifndef DOCHANDLE
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| 260 | link += "&cl=search&d=" + section.OID;
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| 261 | #else
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| 262 | link += "," + section.OID+")";
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| 263 | #endif
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| 264 | if (args["xx"] == "1") {
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| 265 | link += detach_link_end;
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| 266 | } else {
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| 267 | link += link_end;
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| 268 | }
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| 269 | if ((is_top (section.OID)) && (haschildren == 1)) icon = "_document:iconclosedbook_";
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| 270 | else if (haschildren == 1) icon = "_document:iconclosedfolder_";
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| 271 |
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| 272 | } else if (!arg_d.empty()) {
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| 273 | // we are in a document - none of the links should be detach links
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| 274 | if (is_top(section.OID)) {
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| 275 | // we link back to the originating page eg search page or classifier page
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| 276 | icon = "_document:iconopenbook_";
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| 277 | if (arg_cl == "search") {
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| 278 | link = "<a href=\"_httpquery_\">";
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| 279 | }
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| 280 | else {
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| 281 | #ifndef DOCHANDLE
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| 282 | link += "&cl=" + arg_cl + "\">";
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| 283 | #else
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| 284 | link += ","+arg_cl + ")\">";
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| 285 | #endif
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| 286 | }
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| 287 |
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| 288 | } else if (haschildren == 1) {
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| 289 | if ((args["gc"] == "1") ||
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| 290 | (is_child_of (section.OID, arg_d)) ||
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| 291 | (section.OID == arg_d)) {
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| 292 | icon = "_document:iconopenfolder_";
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| 293 | #ifndef DOCHANDLE
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| 294 | link += "&cl=" + arg_cl + "&d=" + section.OID + ".pr\">";
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| 295 | #else
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| 296 | link += ","+section.OID + ".pr)\">";
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| 297 | #endif
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| 298 | } else {
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| 299 | icon = "_document:iconclosedfolder_";
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| 300 | #ifndef DOCHANDLE
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| 301 | link += "&cl=" + arg_cl + "&d=" + section.OID + "\">";
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| 302 | #else
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| 303 | link += ","+section.OID + ")\">";
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| 304 | #endif
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| 305 | }
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| 306 | } else {
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| 307 | if (args["gt"] == "0") {
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| 308 | #ifndef DOCHANDLE
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| 309 | link += "&cl=" + arg_cl + "&d=" + section.OID + "\">";
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| 310 | #else
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| 311 | link += ","+section.OID + ")\">";
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| 312 | #endif
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| 313 | } else {
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| 314 | #ifndef DOCHANDLE
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| 315 | link += "&cl=" + arg_cl + "&d=" + section.OID + "#" + section.OID + "\">";
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| 316 | #else
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| 317 | link += ","+section.OID + "#" + section.OID + ")\">";
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| 318 | #endif
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| 319 | }
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| 320 | }
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| 321 |
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| 322 | } else {
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| 323 | // classification level - links to docs may be detaching
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| 324 | if (haschildren == 1) {
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| 325 | if (doctype == "classify") {
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| 326 | if ((args["gc"] == "1") ||
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| 327 | (is_child_of (section.OID, arg_cl)) ||
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| 328 | (section.OID == arg_cl)) {
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| 329 | icon = "_document:iconopenbookshelf_";
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| 330 |
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| 331 | #ifndef DOCHANDLE
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| 332 | link += "&cl=" + section.OID + ".pr\">";
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| 333 | #else
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| 334 | link += ","+section.OID + ".pr)\">";
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| 335 | #endif
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| 336 |
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| 337 |
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| 338 | } else {
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| 339 | icon = "_document:iconclosedbookshelf_";
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| 340 |
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| 341 | #ifndef DOCHANDLE
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| 342 | link += "&cl=" + section.OID + "\">";
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| 343 | #else
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| 344 | link += ","+section.OID + ")\">";
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| 345 | #endif
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| 346 |
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| 347 | }
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| 348 | } else {
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| 349 |
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| 350 | icon = "_document:iconclosedbook_";
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| 351 | #ifndef DOCHANDLE
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| 352 | link += "&cl=" + arg_cl + "&d=" + section.OID;
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| 353 | #else
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| 354 | link += ","+section.OID+")";
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| 355 | #endif
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| 356 | if (args["xx"] == "1") {
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| 357 | link += detach_link_end;
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| 358 | } else {
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| 359 | link += link_end;
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| 360 | }
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| 361 |
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| 362 | }
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| 363 | } else {
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| 364 | if (doctype == "classify") link = "";
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| 365 | else {
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| 366 | #ifndef DOCHANDLE
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| 367 | link += "&cl=" + arg_cl + "&d=" + section.OID;
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| 368 | #else
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| 369 | link += "," + section.OID +")";
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| 370 | #endif
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| 371 | if (args["xx"] == "1") {
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| 372 | link += detach_link_end;
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| 373 | } else {
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| 374 | link += link_end;
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| 375 | }
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| 376 | }
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| 377 | }
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| 378 | }
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| 379 |
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| 380 | }
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