source: tags/gsdl-2_40-distribution/niupepa/src/recpt/niupepapagedbrowserclass.cpp@ 4846

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1/**********************************************************************
2 *
3 * niupepapagedbrowserclass.cpp --
4 * Copyright (C) 1999 The New Zealand Digital Library Project
5 *
6 * A component of the Greenstone digital library software
7 * from the New Zealand Digital Library Project at the
8 * University of Waikato, New Zealand.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * $Id: niupepapagedbrowserclass.cpp 4846 2003-07-01 03:09:15Z None $
25 *
26 *********************************************************************/
27
28/*
29 $Log$
30 Revision 1.1 2000/03/08 20:44:50 sjboddie
31 Initial revision
32
33
34 */
35
36
37#include "niupepapagedbrowserclass.h"
38#include <assert.h>
39#include "OIDtools.h"
40
41niupepapagedbrowserclass::niupepapagedbrowserclass () {
42}
43
44niupepapagedbrowserclass::~niupepapagedbrowserclass () {
45}
46
47// if the "gp" (go to page) argument is set we need to set
48// the "d" argument to the corresponding page
49// also want to set "d" argument to first child if we're at
50// an 'Invisible' top level
51// this is overridden for niupepa collection as we want to set "gg"
52// argument to be 'prev' if it's text and there isn't any text,
53// 'full' if it's prev and there is no prev, 'text' if it's prev
54// and there's no full or prev, 'prev' if it's full and there's
55// no full, 'text' if it's full and there's no full or prev.
56// default to text if all else fails
57void niupepapagedbrowserclass::processOID (cgiargsclass &args, recptproto *collectproto,
58 ostream &logout) {
59
60 text_t &arg_d = args["d"];
61 text_t &arg_gp = args["gp"];
62 text_t &arg_gg = args["gg"];
63 text_tset metadata;
64 FilterResponse_t response;
65
66 bool hastxt = false, hasimg = false, hasprevimg = false;
67
68 if ((!arg_d.empty()) && (!arg_gp.empty()) && (is_number (arg_gp))) {
69 text_t top;
70 get_top (arg_d, top);
71 metadata.insert ("Title");
72 get_children (top, args["c"], metadata, false, collectproto, response, logout);
73 ResultDocInfo_tarray::iterator dochere = response.docInfo.begin();
74 ResultDocInfo_tarray::iterator docend = response.docInfo.end();
75 while (dochere != docend) {
76 if ((*dochere).metadata["Title"].values[0] == arg_gp) {
77 arg_d = (*dochere).OID;
78 break;
79 }
80 dochere ++;
81 }
82
83 } else if (!arg_d.empty() && is_top(arg_d)) { // if top level doc, check if not invisible
84 metadata.insert("thistype");
85 if (get_info(arg_d, args["c"], metadata, false, collectproto, response, logout)) {
86 text_t type = response.docInfo[0].metadata["thistype"].values[0];
87 if (type=="Invisible") { // display first child
88 arg_d = arg_d + ".fc";
89 }
90 }
91 }
92
93 metadata.erase (metadata.begin(), metadata.end());
94 metadata.insert ("hastxt");
95 metadata.insert ("hasimg");
96 metadata.insert ("hasprevimg");
97 if (get_info(arg_d, args["c"], metadata, false, collectproto, response, logout)) {
98 if (response.docInfo[0].metadata["hastxt"].values[0] == "1") hastxt = true;
99 if (response.docInfo[0].metadata["hasimg"].values[0] == "1") hasimg = true;
100 if (response.docInfo[0].metadata["hasprevimg"].values[0] == "1") hasprevimg = true;
101 }
102
103 if (arg_gg == "text" && !hastxt) {
104 if (hasprevimg) arg_gg = "prev";
105 else if (hasimg) arg_gg = "full";
106 } else if (arg_gg == "prev" && !hasprevimg) {
107 if (hasimg) arg_gg = "full";
108 else arg_gg = "text";
109 } else if (arg_gg == "full" && !hasimg) {
110 if (hasprevimg) arg_gg = "prev";
111 else arg_gg = "text";
112 }
113}
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