Mercurial > hg > digilib-old
view client/digitallibrary/navcat_n4.js @ 8:36ab237acba4 vendor
First import of client module
author | robcast |
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date | Thu, 17 Jan 2002 15:29:52 +0100 |
parents | 254fca7a21ce |
children | 84a481a388bb 85126da2ae21 |
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/* navcat_n4 -- JS library for digilib (Netscape4 version) Digital Image Library servlet components Copyright (C) 2001, 2002 Christian Luginbuehl (luginbuehl@student.unibe.ch) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Please read license.txt for the full details. A copy of the GPL may be found at http://www.gnu.org/copyleft/lgpl.html You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ // these two global variables have to be initialised before the frist use of the functions below // to fill in the attributes you can use the function initPicture provided below // - array with all attributes var att = new Array(); // - variable to store the path to the frame, in which the pictures should be created var whichFrame = parent.mainFrame; // give a name to the window containing digicat - this way one can test if there is already a // digicat-window open and replace the contents of it (ex. digilib) window.name = "digicat"; function loadThumbTable() { tableWidth = whichFrame.innerWidth-30; tableHeight = whichFrame.innerHeight-30; cellWidth = Math.floor(tableWidth/att[3])-6; cellHeight = Math.floor(tableHeight/att[2])-4; // alert(tableWidth + " " + tableHeight + "\n" + cellWidth + " " +cellHeight); whichFrame.document.open(); whichFrame.document.write('<html><head>'); whichFrame.document.write('<style type="text/css">.myFont {font-family: sans-serif, Arial; font-size: 11px; color: #FFFFFF}</style>'); whichFrame.document.write('<script language="Javascript">'); whichFrame.document.write('function loadDigilib(idx) {'); whichFrame.document.write('linkRef = "http://' + location.host + '/docuserver/digitallibrary/digilib.html?' + parent.att[0] + '+" + idx;'); whichFrame.document.write('win = window.open(linkRef, "digilib");'); whichFrame.document.write('win.focus();'); whichFrame.document.write('}'); whichFrame.document.write('</script>'); whichFrame.document.write('</head><body bgcolor="#666666">'); whichFrame.document.write('<table border="1" width="' + tableWidth + '" height="' + tableHeight + '">'); for (i = 0; i < att[2]; i++) { whichFrame.document.write('<tr>'); for (j = 0; j < att[3]; j++) { indexNr = parseInt(att[1])+i*parseInt(att[3])+j; thumb = "http://" + location.host + "/docuserver/digitallibrary/servlet/Scaler/" thumb += att[0] + "?" + "pn=" + indexNr + "&ws=1.0&mo=fit&dw=" + cellWidth + "&dh=" + (cellHeight-25); whichFrame.document.write('<td align="center" valign="middle" width="' + cellWidth + '" height="' + cellHeight + '" class="myFont">'); whichFrame.document.write('<a href="javascript:loadDigilib(' + indexNr + ')">'); whichFrame.document.write('<img src="' + thumb + '" border="0">'); whichFrame.document.write('</a><br>'); whichFrame.document.write(indexNr + '</td>'); } whichFrame.document.write('</tr>'); } whichFrame.document.write('</table></body></html>'); whichFrame.document.close(); } function Backpage() { if (att[1] <= 1) { att[1] = 1; alert("You are already on the first page!"); } att[1] = parseInt(att[1])-parseInt(att[2]*att[3]); if (att[1] < 1) { att[1] = 1; } loadThumbTable(); } function Nextpage() { att[1] = parseInt(att[1])+parseInt(att[2]*att[3]); loadThumbTable(); } // capturing keypresses for next and previous page function parseKeypress(event) { var whichCode = (window.Event) ? event.which : event.keyCode; if (String.fromCharCode(whichCode) == "n") { Nextpage(); } if (String.fromCharCode(whichCode) == "b") { Backpage(); } } // initialize browser specific things (keypress caputring) function initScripts() { window.captureEvents(Event.KEYDOWN); window.onkeydown = parseKeypress; } // fill in the values of the "att"-array function initPicture(picURL) { att = picURL.split("+"); if (att[0].lastIndexOf("/") == att[0].length-1) { att[0] = att[0].substring(0, att[0].length-1); } if (att.length < 2 || att[1] == "") { att[1] = 1; } if (att.length < 3 || att[2] == "") { att[2] = 3; } if (att.length < 4) { att[3] = 4; } }