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31
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1 // this global variable has to be initialised before the frist use of the functions below
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2 // to fill in the attributes you can use the function init provided below
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17
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3 // - array with all attributes
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4 var att = new Array();
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5
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31
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6 // fill in the values of the "att"-array
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7 function init(fn, pn, ws, mo, mk, wx, wy, ww, wh) {
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8
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9 // debug window to check the parameters passed
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10 //alert ("DEBUG message (parameters in init):\n\npu = " + pu + "\npn = " + pn + "\nws = " + ws + "\nmo = " + mo + "\nmk = " + mk + "\nwx = " + wx + "\nwy = " + wy + "\nww = " + ww + "\nwh = " + wh);
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11
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12 // attaching the values to the att-array
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13 att[0] = fn;
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14 att[1] = parseInt(pn);
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15 att[2] = parseFloat(ws);
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16 att[3] = mo;
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17 att[4] = mk;
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18 att[5] = parseFloat(wx);
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19 att[6] = parseFloat(wy);
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20 att[7] = parseFloat(ww);
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21 att[8] = parseFloat(wh);
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22
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23 // compatablility issue
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24 if (att[3].indexOf("f") > -1) {
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25 att[3] = "fit";
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26 }
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17
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27
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31
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28 // converts the old mark format (0-1000) to new format(0.0 - 1.0)
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29 // could even be useless now
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30 if (att[4] != "0/0") {
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31 var tmp = att[4].split(";");
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32
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33 att[4] = "";
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34
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35 for (i = 0; i < tmp.length; i++) {
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36 tmp[i] = tmp[i].split("/");
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37
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38 if (tmp[i][0] > 1 && tmp[i][1] > 1) {
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39 tmp[i][0] /= 1000;
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40 tmp[i][1] /= 1000;
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41 }
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42
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43 att[4] += tmp[i][0] + "/" + tmp[i][1] + ";";
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44 }
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45 att[4] = att[4].slice(0, -1);
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46 }
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47
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48 // initialisation stuff
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49 // ====================
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50
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51 setMarks();
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52
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53 this.document.onkeypress = parseKeypress;
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54 focus();
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55
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56 // give a name to the window containing digilib - this way one can test if there is already a
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57 // digilib-window open and replace the contents of it (ex. digicat)
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58 top.window.name = "digilib";
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59 }
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60
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17
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61
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62 // function that launches the ScaleServlet
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63 // the different detailGrades:
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64 // 0 -> back, next, page
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65 // 1 -> zoomout
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66 // 2 -> zoomarea, zoompoint, moveto, scaledef
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67
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68 function loadPicture(detailGrade, keepArea) {
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69
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31
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70 var newURL = "dlImage.jsp?"
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71 newURL += "fn=" + att[0] + "&pn=" + att[1] + "&ws=" + att[2] + "&mo=" + att[3];
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17
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72
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73 if (detailGrade == 0) {
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74 att[4] = "0/0";
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75 }
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76
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77 if ((detailGrade == 1) || (detailGrade == 0 && !keepArea)) {
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78 att[5] = 0;
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79 att[6] = 0;
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80 att[7] = 1;
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81 att[8] = 1;
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82 }
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31
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83
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84 newURL += "&mk=" + att[4] + "&wx=" + att[5] + "&wy=" + att[6] + "&ww=" + att[7] + "&wh=" + att[8];
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85 newURL += "&dw=" + (document.body.clientWidth-30) + "&dh=" + (document.body.clientHeight-30);
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17
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86
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31
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87 // debug window - checking the parameters passed to the next image
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88 //alert ("DEBUG MESSAGE (complete URL in loadPicture):\n\n" + newURL);
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17
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89
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31
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90 location.href = newURL;
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17
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91 }
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92
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93
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31
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94 function backPage(keepArea) {
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17
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95
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96 att[1] = parseInt(att[1]) - 1;
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97
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98 if (att[1] > 0) {
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99 loadPicture(0, keepArea);
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100 } else {
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101 att[1] = parseInt(att[1]) + 1;
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102 alert("You are already on the first page!");
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103 }
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104 }
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105
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106
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31
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107 function nextPage(keepArea) {
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17
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108
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109 att[1] = parseInt(att[1]) + 1;
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110
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31
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111 loadPicture(0, keepArea);
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17
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112 }
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113
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114
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31
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115 function page(keepArea) {
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17
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116
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117 do {
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31
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118 page = prompt("Goto Page:", 1);
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119 } while ((page != null) && (page < 1));
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17
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120
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121 if (page != null && page != att[1]) {
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122 att[1] = page;
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123 loadPicture(0, keepArea);
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124 }
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125 }
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126
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127
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31
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128 function digicat() {
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17
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129 var url = "http://" + location.host + "/docuserver/digitallibrary/digicat.html?" + att[0] + "+" + att[1];
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130 win = window.open(url, "digicat");
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131 win.focus();
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132 }
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133
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134
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31
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135 function ref(refselect) {
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17
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136
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137 var hyperlinkRef = "http://" + location.host + "/docuserver/digitallibrary/digilib.jsp?";
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138 hyperlinkRef += att[0] + "+" + att[1] + "+" + att[2] + "+" + att[3] + "+" + att[4];
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139
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140 if ((att[5] != 0) || (att[6] != 0) || (att[7] != 1) || (att[8] != 1)) {
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141 hyperlinkRef += "+" + att[5] + "+" + att[6] + "+" + att[7] + "+" + att[8];
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142 }
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143
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144 if (refselect == 1) {
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145 prompt("Link for HTML--documents", hyperlinkRef);
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146 } else {
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147 prompt("Link for LaTeX--documents", "\\href{" + hyperlinkRef + "}{TEXT}");
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148 }
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149 }
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150
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151
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31
|
152 function mark(refselect) {
|
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17
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153
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|
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154 if (att[4].split(";").length > 7) {
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155 alert("Only 8 marks are possible at the moment!");
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156 return;
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157 }
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158
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31
|
159 document.all.lay1.onmousedown = function() {
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160 e = event;
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17
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161
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162 if ((att[4] != "") && (att[4] != "0/0")) {
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163 att[4] += ";";
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164 } else {
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165 att[4] = "";
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166 }
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167
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31
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168 markX = cropFloat(att[5]+att[7]*(document.body.scrollLeft+e.x-parseInt(document.all.lay1.style.left))/document.all.lay1.offsetWidth);
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169 markY = cropFloat(att[6]+att[8]*(document.body.scrollTop+e.y-parseInt(document.all.lay1.style.top))/document.all.lay1.offsetHeight);
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17
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170
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171 att[4] += markX + "/" + markY;
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172
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31
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173 document.all.lay1.cancleBubble = true;
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17
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174
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31
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175 setMarks();
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17
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176 }
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177 }
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178
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179
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31
|
180 function zoomArea() {
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17
|
181 var state = 0;
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182 var x1, y1, x2, y2;
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183
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31
|
184 function click() {
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185 e = event;
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17
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186
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|
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187 if (state == 0) {
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188 state = 1;
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189
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31
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190 x1 = document.body.scrollLeft+e.x;
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191 y1 = document.body.scrollTop+e.y;
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17
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192 x2 = x1;
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193 y2 = y1;
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194
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31
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195 document.all.eck1.style.left = x1;
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196 document.all.eck1.style.top = y1;
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197 document.all.eck2.style.left = x2-12;
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198 document.all.eck2.style.top = y1;
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199 document.all.eck3.style.left = x1;
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200 document.all.eck3.style.top = y2-12;
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201 document.all.eck4.style.left = x2-12;
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202 document.all.eck4.style.top = y2-12;
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17
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203
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31
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204 document.all.eck1.style.visibility="visible";
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205 document.all.eck2.style.visibility="visible";
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206 document.all.eck3.style.visibility="visible";
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207 document.all.eck4.style.visibility="visible";
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17
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208
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31
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209 document.all.lay1.onmousemove = move;
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210 document.all.eck4.onmousemove = move;
|
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17
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211
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|
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212 } else {
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213
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31
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214 x1 -= parseInt(document.all.lay1.style.left);
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215 y1 -= parseInt(document.all.lay1.style.top);
|
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17
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216
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31
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217 x2 = document.body.scrollLeft+e.x-parseInt(document.all.lay1.style.left);
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218 y2 = document.body.scrollTop+e.y-parseInt(document.all.lay1.style.left);
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17
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219
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31
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220 document.all.eck1.visibility="hidden";
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221 document.all.eck2.visibility="hidden";
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222 document.all.eck3.visibility="hidden";
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223 document.all.eck4.visibility="hidden";
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17
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224
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31
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225 document.all.lay1.cancleBubble = true;
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226 document.all.eck4.cancleBubble = true;
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17
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227
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31
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228 att[5] = cropFloat(att[5]+att[7]*((x1 < x2) ? x1 : x2)/document.all.lay1.offsetWidth);
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229 att[6] = cropFloat(att[6]+att[8]*((y1 < y2) ? y1 : y2)/document.all.lay1.offsetHeight);
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17
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230
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31
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231 att[7] = cropFloat(att[7]*Math.abs(x1-x2)/document.all.lay1.offsetWidth);
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232 att[8] = cropFloat(att[8]*Math.abs(y1-y2)/document.all.lay1.offsetHeight);
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17
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233
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234 if (att[7] != 0 && att[8] != 0) {
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235 loadPicture(2);
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236 }
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|
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237 }
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|
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238 }
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239
|
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31
|
240 function move() {
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|
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241 e = event;
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17
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242
|
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31
|
243 x2 = document.body.scrollLeft+e.x;
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244 y2 = document.body.scrollTop+e.y;
|
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17
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245
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31
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246 document.all.eck1.style.left = ((x1 < x2) ? x1 : x2);
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247 document.all.eck1.style.top = ((y1 < y2) ? y1 : y2);
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248 document.all.eck2.style.left = ((x1 < x2) ? x2 : x1)-12;
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249 document.all.eck2.style.top = ((y1 < y2) ? y1 : y2);
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250 document.all.eck3.style.left = ((x1 < x2) ? x1 : x2);
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251 document.all.eck3.style.top = ((y1 < y2) ? y2 : y1)-12;
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252 document.all.eck4.style.left = ((x1 < x2) ? x2 : x1)-12;
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253 document.all.eck4.style.top = ((y1 < y2) ? y2 : y1)-12;
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17
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254 }
|
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255
|
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31
|
256 document.all.lay1.onmousedown = click;
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|
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257 document.all.eck4.onmousedown = click;
|
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17
|
258 }
|
|
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259
|
|
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260
|
|
31
|
261 function zoomPoint() {
|
|
17
|
262
|
|
31
|
263 document.all.lay1.onmousedown = function() {
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|
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264 e = event;
|
|
17
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265
|
|
31
|
266 att[5] = cropFloat(att[5]+att[7]*(document.body.scrollLeft+e.x-parseInt(document.all.lay1.style.left))/document.all.lay1.offsetWidth-0.5*att[7]*0.7);
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267 att[6] = cropFloat(att[6]+att[8]*(document.body.scrollTop+e.y-parseInt(document.all.lay1.style.top))/document.all.lay1.offsetHeight-0.5*att[8]*0.7);
|
|
17
|
268
|
|
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269 att[7] = cropFloat(att[7]*0.7);
|
|
|
270 att[8] = cropFloat(att[8]*0.7);
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|
|
271
|
|
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272 if (att[5] < 0) {
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|
|
273 att[5] = 0;
|
|
|
274 }
|
|
|
275 if (att[6] < 0) {
|
|
|
276 att[6] = 0;
|
|
|
277 }
|
|
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278 if (att[5]+att[7] > 1) {
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|
|
279 att[5] = 1-att[7];
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|
|
280 }
|
|
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281 if (att[6]+att[8] > 1) {
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|
|
282 att[6] = 1-att[8];
|
|
|
283 }
|
|
|
284
|
|
31
|
285 document.all.lay1.cancleBubble = true;
|
|
17
|
286
|
|
|
287 loadPicture(2);
|
|
|
288 }
|
|
|
289 }
|
|
|
290
|
|
|
291
|
|
31
|
292 function zoomOut() {
|
|
17
|
293 loadPicture(1);
|
|
|
294 }
|
|
|
295
|
|
|
296
|
|
31
|
297 function moveTo() {
|
|
17
|
298
|
|
31
|
299 document.all.lay1.onmousedown = function() {
|
|
|
300 e = event;
|
|
17
|
301
|
|
31
|
302 att[5] = cropFloat(att[5]+att[7]*(document.body.scrollLeft+e.x-parseInt(document.all.lay1.style.left))/document.all.lay1.offsetWidth-0.5*att[7]);
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303 att[6] = cropFloat(att[6]+att[8]*(document.body.scrollTop+e.y-parseInt(document.all.lay1.style.top))/document.all.lay1.offsetHeight-0.5*att[8]);
|
|
17
|
304
|
|
|
305 if (att[5] < 0) {
|
|
|
306 att[5] = 0;
|
|
|
307 }
|
|
|
308 if (att[6] < 0) {
|
|
|
309 att[6] = 0;
|
|
|
310 }
|
|
|
311 if (att[5]+att[7] > 1) {
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|
|
312 att[5] = 1-att[7];
|
|
|
313 }
|
|
|
314 if (att[6]+att[8] > 1) {
|
|
|
315 att[6] = 1-att[8];
|
|
|
316 }
|
|
|
317
|
|
31
|
318 document.all.lay1.cancleBubble = true;
|
|
17
|
319
|
|
|
320 loadPicture(2);
|
|
|
321 }
|
|
|
322 }
|
|
|
323
|
|
|
324
|
|
31
|
325 function scale(scaledef) {
|
|
17
|
326
|
|
|
327 att[2] = scaledef;
|
|
|
328 loadPicture(2);
|
|
|
329 }
|
|
|
330
|
|
|
331
|
|
31
|
332 function setMarks() {
|
|
17
|
333 if ((att[4] != "") && (att[4] != "0/0")) {
|
|
|
334 var mark = att[4].split(";");
|
|
|
335
|
|
|
336 var countMarks = mark.length;
|
|
|
337
|
|
|
338 // maximum of marks is 8
|
|
|
339 // we do not report this error because this is already done in func. "Mark"
|
|
|
340 if (countMarks > 8) countMarks = 8;
|
|
|
341
|
|
31
|
342 var picWidth = document.all.lay1.offsetWidth;
|
|
|
343 var picHeight = document.all.lay1.offsetHeight;
|
|
17
|
344
|
|
|
345 // catch the cases where the picture had not been loaded already and
|
|
|
346 // make a timeout so that the coordinates are calculated with the real dimensions
|
|
|
347 if (picWidth > 30) {
|
|
|
348
|
|
31
|
349 var xoffset = parseInt(document.all.lay1.style.left);
|
|
|
350 var yoffset = parseInt(document.all.lay1.style.top);
|
|
17
|
351
|
|
|
352 for (var i = 0; i < countMarks; i++) {
|
|
|
353 mark[i] = mark[i].split("/");
|
|
|
354
|
|
|
355 if ((mark[i][0] > att[5]) && (mark[i][1] > att[6]) && (mark[i][0] < (att[5]+att[7])) && (mark[i][1] < (att[6]+att[8]))) {
|
|
|
356
|
|
|
357 mark[i][0] = parseInt(xoffset+picWidth*(mark[i][0]-att[5])/att[7]);
|
|
|
358 mark[i][1] = parseInt(yoffset+picHeight*(mark[i][1]-att[6])/att[8]);
|
|
|
359
|
|
31
|
360 document.getElementById("dot" + i).style.left = mark[i][0]-5;
|
|
|
361 document.getElementById("dot" + i).style.top = mark[i][1]-5;
|
|
|
362 document.getElementById("dot" + i).style.visibility = "visible";
|
|
17
|
363 }
|
|
|
364 }
|
|
|
365 } else {
|
|
31
|
366 setTimeout("setMarks()", 100);
|
|
17
|
367 }
|
|
|
368 }
|
|
|
369 }
|
|
|
370
|
|
|
371
|
|
|
372 // capturing keypresses for next and previous page
|
|
|
373 function parseKeypress() {
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31
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374 e = event;
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17
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375
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|
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376 if (e.keyCode == 110) {
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377 Nextpage();
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378 }
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379 if (e.keyCode == 98) {
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380 Backpage();
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|
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381 }
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31
|
382 document.cancleBubble = true;
|
|
17
|
383 }
|
|
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384
|
|
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385
|
|
|
386 // auxiliary function to crop senseless precicsion
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|
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387 function cropFloat(tmp) {
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|
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388 return parseInt(10000*tmp)/10000;
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|
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389 }
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