Mercurial > hg > digilib-old

comparison client/digitallibrary/navcat_n4.js @ 6:254fca7a21ce vendor

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
First import of client module
author robcast
date Thu, 17 Jan 2002 15:29:52 +0100
parents
children 84a481a388bb 85126da2ae21
comparison
equal deleted inserted replaced
5:fa22d26c02d3 6:254fca7a21ce
1 /* navcat_n4 -- JS library for digilib (Netscape4 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
74
75 function Backpage() {
76
77 if (att[1] <= 1) {
78 att[1] = 1;
79 alert("You are already on the first page!");
80 }
81
82 att[1] = parseInt(att[1])-parseInt(att[2]*att[3]);
83
84 if (att[1] < 1) {
85 att[1] = 1;
86 }
87 loadThumbTable();
88 }
89
90
91 function Nextpage() {
92
93 att[1] = parseInt(att[1])+parseInt(att[2]*att[3]);
94 loadThumbTable();
95 }
96
97
98 // capturing keypresses for next and previous page
99 function parseKeypress(event) {
100 var whichCode = (window.Event) ? event.which : event.keyCode;
101 if (String.fromCharCode(whichCode) == "n") {
102 Nextpage();
103 }
104 if (String.fromCharCode(whichCode) == "b") {
105 Backpage();
106 }
107 }
108
109
110 // initialize browser specific things (keypress caputring)
111 function initScripts() {
112 window.captureEvents(Event.KEYDOWN);
113 window.onkeydown = parseKeypress;
114 }
115
116
117 // fill in the values of the "att"-array
118 function initPicture(picURL) {
119 att = picURL.split("+");
120
121 if (att[0].lastIndexOf("/") == att[0].length-1) {
122 att[0] = att[0].substring(0, att[0].length-1);
123 }
124
125 if (att.length < 2 || att[1] == "") {
126 att[1] = 1;
127 }
128 if (att.length < 3 || att[2] == "") {
129 att[2] = 3;
130 }
131
132 if (att.length < 4) {
133 att[3] = 4;
134 }
135 }