6
|
1 /* navcat_n6 -- JS library for digilib (Mozilla version)
|
|
2
|
|
3 Digital Image Library servlet components
|
|
4
|
|
5 Copyright (C) 2001, 2002 Christian Luginbuehl (luginbuehl@student.unibe.ch)
|
|
6
|
|
7 This program is free software; you can redistribute it and/or modify it
|
|
8 under the terms of the GNU General Public License as published by the
|
|
9 Free Software Foundation; either version 2 of the License, or (at your
|
|
10 option) any later version.
|
|
11
|
|
12 Please read license.txt for the full details. A copy of the GPL
|
|
13 may be found at http://www.gnu.org/copyleft/lgpl.html
|
|
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 */
|
|
20
|
|
21 // these two global variables have to be initialised before the frist use of the functions below
|
|
22 // to fill in the attributes you can use the function initPicture provided below
|
|
23 // - array with all attributes
|
|
24 var att = new Array();
|
|
25
|
|
26 // - variable to store the path to the frame, in which the pictures should be created
|
|
27 var whichFrame = parent.mainFrame;
|
|
28
|
|
29 // give a name to the window containing digicat - this way one can test if there is already a
|
|
30 // digicat-window open and replace the contents of it (ex. digilib)
|
|
31 window.name = "digicat";
|
|
32
|
|
33 function loadThumbTable() {
|
|
34 tableWidth = whichFrame.innerWidth-30;
|
|
35 tableHeight = whichFrame.innerHeight-30;
|
|
36
|
|
37 cellWidth = Math.floor(tableWidth/att[3])-6;
|
|
38 cellHeight = Math.floor(tableHeight/att[2])-4;
|
|
39
|
|
40 // alert(tableWidth + " " + tableHeight + "\n" + cellWidth + " " +cellHeight);
|
|
41
|
|
42 whichFrame.document.open();
|
|
43 whichFrame.document.write('<html><head>');
|
|
44 whichFrame.document.write('<style type="text/css">.myFont {font-family: sans-serif, Arial; font-size: 11px; color: #FFFFFF}</style>');
|
|
45 whichFrame.document.write('<script language="Javascript">');
|
|
46 whichFrame.document.write('function loadDigilib(idx) {');
|
|
47 whichFrame.document.write('linkRef = "http://' + location.host + '/docuserver/digitallibrary/digilib.html?' + parent.att[0] + '+" + idx;');
|
|
48 whichFrame.document.write('win = window.open(linkRef, "digilib");');
|
|
49 whichFrame.document.write('win.focus();');
|
|
50 whichFrame.document.write('}');
|
|
51 whichFrame.document.write('</script>');
|
|
52
|
|
53
|
|
54 whichFrame.document.write('</head><body bgcolor="#666666">');
|
|
55 whichFrame.document.write('<table border="1" width="' + tableWidth + '" height="' + tableHeight + '">');
|
|
56 for (i = 0; i < att[2]; i++) {
|
|
57 whichFrame.document.write('<tr>');
|
|
58 for (j = 0; j < att[3]; j++) {
|
|
59 indexNr = parseInt(att[1])+i*parseInt(att[3])+j;
|
|
60 thumb = "http://" + location.host + "/docuserver/digitallibrary/servlet/Scaler/"
|
|
61 thumb += att[0] + "?" + "pn=" + indexNr + "&ws=1.0&mo=fit&dw=" + cellWidth + "&dh=" + (cellHeight-25);
|
|
62 whichFrame.document.write('<td align="center" valign="middle" width="' + cellWidth + '" height="' + cellHeight + '" class="myFont">');
|
|
63 whichFrame.document.write('<a href="javascript:loadDigilib(' + indexNr + ')">');
|
|
64 whichFrame.document.write('<img src="' + thumb + '" border="0">');
|
|
65 whichFrame.document.write('</a><br>');
|
|
66 whichFrame.document.write(indexNr + '</td>');
|
|
67 }
|
|
68 whichFrame.document.write('</tr>');
|
|
69 }
|
|
70 whichFrame.document.write('</table></body></html>');
|
|
71 whichFrame.document.close();
|
|
72
|
|
73 initScripts();
|
|
74 }
|
|
75
|
|
76
|
|
77 function Backpage() {
|
|
78
|
|
79 if (att[1] <= 1) {
|
|
80 att[1] = 1;
|
|
81 alert("You are already on the first page!");
|
|
82 }
|
|
83
|
|
84 att[1] = parseInt(att[1])-parseInt(att[2]*att[3]);
|
|
85
|
|
86 if (att[1] < 1) {
|
|
87 att[1] = 1;
|
|
88 }
|
|
89 loadThumbTable();
|
|
90 }
|
|
91
|
|
92
|
|
93
|
|
94 function Nextpage() {
|
|
95
|
|
96 att[1] = parseInt(att[1])+parseInt(att[2]*att[3]);
|
|
97 loadThumbTable();
|
|
98 }
|
|
99
|
|
100
|
|
101 // capturing keypresses for next and previous page
|
|
102 // ascii-values of n = 110, b = 98
|
|
103 function parseKeypress (event) {
|
|
104 if (event.charCode == 110) {
|
|
105 Nextpage();
|
|
106 }
|
|
107 if (event.charCode == 98) {
|
|
108 Backpage();
|
|
109 }
|
|
110 }
|
|
111
|
|
112
|
|
113 // initialize browser specific things (keypress caputring)
|
|
114 function initScripts() {
|
|
115 for (var f = 0; f < frames.length; f++) {
|
|
116 frames[f].document.addEventListener('keypress', parseKeypress, true);
|
|
117 }
|
|
118 whichFrame.focus();
|
|
119 }
|
|
120
|
|
121
|
|
122 // fill in the values of the "att"-array
|
|
123 function initPicture(picURL) {
|
|
124 att = picURL.split("+");
|
|
125
|
|
126 if (att[0].lastIndexOf("/") == att[0].length-1) {
|
|
127 att[0] = att[0].substring(0, att[0].length-1);
|
|
128 }
|
|
129
|
|
130 if (att.length < 2 || att[1] == "") {
|
|
131 att[1] = 1;
|
|
132 }
|
|
133
|
|
134 if (att.length < 3 || att[2] == "") {
|
|
135 att[2] = 3;
|
|
136 }
|
|
137
|
|
138 if (att.length < 4) {
|
|
139 att[3] = 4;
|
|
140 }
|
|
141 }
|