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comparison client/digitallibrary/navcat.js @ 224:b51840f2ff75

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new digicat version with only one js file
author luginbue
date Fri, 09 Jul 2004 02:15:54 +0200
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223:41de43a00bf8 224:b51840f2ff75
1 /*
2
3 Copyright (C) 2003 WTWG, Uni Bern
4
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
18
19 Author: Christian Luginbuehl, 07.04.2004 , Version Alcatraz 0.6
20
21 */
22
23 function identify() {
24 return 'Digicat v0.3';
25 }
26
27
28 dcParams = new Object();
29
30 function newParameter(name, value, defaultValue, detail) {
31
32 if ( !dcParams[name] ) {
33
34 dcParams[name] = new Object();
35
36 dcParams[name].value = value;
37 dcParams[name].defaultValue = defaultValue;
38 dcParams[name].detail = detail;
39
40 return dcParams[name];
41
42 } else {
43
44 alert("Fatal: An object with name '" + name + "' already exists - cannot recreate!");
45 return false;
46
47 }
48 }
49
50 function getParameter(name) {
51
52 if ( dcParams[name] ) {
53 return dcParams[name].value;
54 } else {
55 return false;
56 }
57 }
58
59
60
61 function listParametersAsString() {
62
63 var params = new Array();
64
65 for ( param in dcParams ) {
66 params.push(param);
67 }
68
69 return params.join(",");
70
71 }
72
73
74 function listParameters() {
75
76 var params = new Array();
77
78 for ( param in dcParams ) {
79 params.push(param);
80 }
81
82 return params;
83
84 }
85
86
87 function init() {
88
89 var fWidth = document.body ? document.body.clientWidth : innerWidth;
90 var fHeight = document.body ? document.body.clientHeight : innerHeight;
91
92 if (!dcParams.mo.value) {
93 dcParams.mo.value = dcParams.mo.defaultValue;
94 }
95
96 var cells = dcParams.mo.value.split('x');
97
98 var picWidth = (dcParams.dw.value != 0) ? dcParams.dw.value : Math.floor((fWidth-30)/cells[0])-2*cells[0]-1;
99 var picHeight = (dcParams.dh.value != 0) ? dcParams.dh.value : picWidth;
100
101 if (cells.length > 1) {
102 picHeight = (dcParams.dh.value != 0) ? dcParams.dh.value : Math.floor(((fHeight-30)-12*cells[1])/cells[1])-2*cells[1]-1;
103 } else {
104 cells[1] = Math.ceil(dcParams.pt.value/cells[0]);
105 }
106
107 var cellWidth = parseInt(picWidth)+8;
108 var cellHeight = parseInt(picHeight)+18;
109
110 document.write('<table border="0" cellspacing="1" cellpadding="0">');
111
112 for (var j = 0; j < cells[1]; j++) {
113 document.write(' <tr>');
114 for (var i = 0; i < cells[0]; i++) {
115 var idx = parseInt(dcParams.pn.value)+i+j*cells[0];
116 var img = baseUrl + "/servlet/Scaler/?fn=" + dcParams.fn.value + "&pn=" + idx;
117 img += "&dw=" + picWidth + "&dh=" + picHeight + "&mo=q0";
118 document.write(' <td width="' + cellWidth + '" height="' + cellHeight + '">');
119 if (idx <= dcParams.pt.value) {
120 document.write(' <a href="javascript:load(' + idx + ')"><img src="' + img + '" border="0"></a><br>' + idx);
121 } else {
122 document.write(' &nbsp;');
123 }
124 document.write(' </td>');
125
126 }
127 document.write(' </tr>');
128 }
129
130 document.write('</table>');
131 }
132
133
134 function load(i) {
135 var link = baseUrl + "/digilib.jsp?fn=" + dcParams.fn.value + "&pn=" + i + "&lv=3";
136
137 if (typeof(top.loadFocusedFrame) == 'function') {
138 top.loadFocusedFrame(link);
139 } else {
140 var win = window.open(link, 'digilib');
141 win.focus();
142 }
143 }
144
145
146 function Backpage() {
147
148 if (att[1] <= 1) {
149 att[1] = 1;
150 alert("You are already on the first page!");
151 }
152
153 att[1] = parseInt(att[1])-parseInt(att[2]*att[3]);
154
155 if (att[1] < 1) {
156 att[1] = 1;
157 }
158 loadThumbTable();
159 }
160
161
162
163 function Nextpage() {
164
165 att[1] = parseInt(att[1])+parseInt(att[2]*att[3]);
166 loadThumbTable();
167 }
168
169
170 // capturing keypresses for next and previous page
171 // ascii-values of n = 110, b = 98
172 function parseKeypress (event) {
173 if (event.charCode == 110) {
174 Nextpage();
175 }
176 if (event.charCode == 98) {
177 Backpage();
178 }
179 }
180
181
182 // initialize browser specific things (keypress caputring)
183 function initScripts() {
184 for (var f = 0; f < frames.length; f++) {
185 frames[f].document.addEventListener('keypress', parseKeypress, true);
186 }
187 whichFrame.focus();
188 }