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1 /*
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2
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3 Copyright (C) 2003 WTWG, Uni Bern
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4
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5 This program is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU General Public License
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7 as published by the Free Software Foundation; either version 2
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8 of the License, or (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program; if not, write to the Free Software
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17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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18
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19 Author: Christian Luginbuehl, 22.05.2003 , Version Alcatraz 0.4
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20
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21 */
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22
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23 /*************************************************************************
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24 * pagesTotal.js : digilib-module *
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25 * *
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26 * desc: displaying the total number of pages in a designated frame, *
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27 * when calling pagesTotal(). also overrides nextPage() and *
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28 * page() functions, by adding last-page tests. *
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29 * *
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30 *************************************************************************/
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31
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31
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32
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33 /**
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34 * shows 'page XX of YY' in a designated frame
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35 */
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36 function showTotalPages() {
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37
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38 var pf = parent.pageFrame;
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39
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40 if ( pf ) {
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41 pf.document.open();
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42 pf.document.write('<html><head></head>');
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43 pf.document.write('<body bgcolor="#CCCCCC" topmargin="5" marginheight="5">');
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44 pf.document.write('<p style="font-family: Verdana, Arial, Helvetica, sans-serif; text-align: center; color: #CC3333; font-size: 11px">');
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45 pf.document.write(dlParams.pn.value + '<b> of </b>' + dlParams.pt.value + '</p></body></html>');
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46 pf.document.close();
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47 }
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48
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49 }
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50
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51
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52 /**
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53 * extending init from novaigation.js
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54 */
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55 function init_pagesTotal() {
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56
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57 init();
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58
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59 showTotalPages();
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60
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61 }
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62
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63
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64 /**
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65 * overriding 'page' in navigation.js
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66 */
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67 function page(page, details) {
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68
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69 if ( details == null ) {
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70 details = 1;
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71 }
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72
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73 if ( page && page.indexOf('-') == 0 ) {
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74 if ( dlParams.pn.value > 1 ) {
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75 page = Math.max(parseInt(dlParams.pn.value) - parseInt(page.slice(1)), 1);
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76 dlParams.pn.value = page;
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77 display(details);
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78 } else {
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79 alert("You are already on the first page!");
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80 }
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81
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82 } else if ( page && page.indexOf('+') == 0 ) {
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83 if ( parseInt(dlParams.pn.value) < parseInt(dlParams.pt.value) ) {
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84 page = Math.min(parseInt(dlParams.pn.value) + parseInt(page.slice(1)), dlParams.pt.value);
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85 dlParams.pn.value = page;
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86 display(details);
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87 } else {
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88 alert("You are already on the last page!");
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89 }
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90 } else if ( page && page == parseInt(page) ) {
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91 if ( (page > 0) && (page <= parseInt(dlParams.pt.value)) ) {
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92 dlParams.pn.value = parseInt(page);
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93 display(details);
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94 } else {
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95 alert ("Illegal page number (1 - " + dlParams.pt.value + ")!");
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96 }
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97 }
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98
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99 } |
