1 | #!/cygdrive/c/strawberry/perl/bin/perl -w
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2 |
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3 | # Need to specify the full path of Perl above, e.g. for Windows something like
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4 | #!C:\\Perl32\\bin\\perl -w
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5 |
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6 | use strict;
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7 |
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8 | # Set this to 1 to work around IIS 6 craziness
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9 | my $iis6_mode = 0;
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10 |
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11 |
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12 | # IIS 6: for some reason, IIS runs this script with the working directory set to the Greenstone
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13 | # directory rather than the cgi-bin directory, causing lots of stuff to fail
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14 | if ($iis6_mode)
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15 | {
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16 | # Change into cgi-bin directory
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17 | chdir("cgi-bin");
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18 | }
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19 |
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20 |
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21 | # We use require and an eval here (instead of "use") to catch any errors loading the module (for IIS)
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22 | eval("require \"gsdlCGI.pm\"");
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23 | if ($@)
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24 | {
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25 | print STDOUT "Content-type:text/plain\n\n";
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26 | print STDOUT "ERROR: $@\n";
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27 | exit 0;
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28 | }
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29 |
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30 | sub generate_html_form
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31 | {
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32 | my($isGSDL2,$site,$collect,$cl) = @_;
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33 |
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34 | # first generate the document frames
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35 | # then generate the classifier browsing frames.
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36 |
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37 | my $html_form = <<EOT;
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38 | <!DOCTYPE html>
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39 | <head>
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40 | <meta content="text/html;charset=utf-8" http-equiv="Content-Type">
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41 | <meta content="utf-8" http-equiv="encoding">
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42 | <title>HTML To Expeditee Frames</title>
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43 | <base href=".."/>
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44 |
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45 | <link type="text/css" href="ext/html-to-expeditee/jquery/css/le-frog/jquery-ui-1.8.16.custom.css" rel="stylesheet" />
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46 | <script type="text/javascript" src="ext/html-to-expeditee/jquery/js/jquery-1.6.2.min.js"></script>
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47 | <script type="text/javascript" src="ext/html-to-expeditee/jquery/js/jquery-ui-1.8.16.custom.min.js"></script>
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48 | <script type="text/javascript" src="ext/html-to-expeditee/js/gsajax-min.js"></script>
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49 | <script type="text/javascript" src="ext/html-to-expeditee/js/html-to-expeditee.js"></script>
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50 | </head>
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51 | <body>
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52 | <form class="ui-widget">
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53 | Convert the collection <input type="text" class="ui-corner-all" style="padding: 4px;" name="collect" value="$collect" id="collect" /> to Expeditee frames by traversing the classifier <input type="text" class="ui-corner-all" style="padding: 4px;" name="cl" value="$cl" id="cl" />
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54 |
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55 | <input value="$site" name="site" id="site" type="hidden">
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56 |
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57 | <p>
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58 | <input type="checkbox" id="checkBoxBrowsing" name="generate_browsing" value="generate_browsing">Generate Collection Space<br/>
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59 | </p>
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60 |
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61 | <p style="font-weight: bold;">Extra Expeditee Frame Output Options:</p>
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62 | <input type="checkbox" id="checkBoxFont" name="compute_font" value="compute_font">Compute Font<br/>
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63 | <input type="checkbox" id="checkBoxWidth" name="compute_width" value="compute_width">Compute Width<br/>
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64 |
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65 | <p><input value="Go" id="go" class="ui-button ui-widget ui-state-default ui-corner-all" type="submit"></p>
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66 | </form>
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67 |
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68 | <script type="text/javascript">
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69 | var collect;
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70 | var site;
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71 | var cl;
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72 | var gs2;
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73 |
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74 | var docOIDs = [];
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75 | var clPages = [];
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76 |
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77 | var hashMapDocFrames = new Array();
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78 |
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79 | var numDocOIDs = 0;
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80 | var numClPages = 0;
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81 |
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82 | var currDocFrameNum;
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83 | var currClFrameNum;
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84 |
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85 | var compute_font = false;
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86 | var compute_width = false;
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87 | var generate_browsing = false; //generate a matching collection space frameset
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88 |
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89 | \$(function(){
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90 |
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91 | \$('#progress').progressbar();
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92 |
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93 | \$('#go').button().click(function(){
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94 |
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95 | site = document.getElementById("site").value;
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96 |
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97 | collect = document.getElementById("collect").value;
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98 |
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99 | if(collect.match(/^\\s*\$/)){
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100 | alert("No collection specified");
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101 | return false;
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102 | }
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103 |
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104 | cl = document.getElementById("cl").value;
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105 | if(cl.match(/^\\s*\$/)){
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106 | alert("No classifier specified");
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107 | return false;
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108 | }
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109 |
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110 | compute_font = document.getElementById("checkBoxFont").checked;
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111 | compute_width = document.getElementById("checkBoxWidth").checked;
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112 |
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113 | generate_browsing = document.getElementById("checkBoxBrowsing").checked;
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114 |
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115 | gs2=$isGSDL2;
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116 |
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117 | var url;
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118 |
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119 | /*obtain url for classifier/browse page and grab all links (doc and CL links) from this page.*/
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120 | if(gs2){
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121 | url = "library.cgi";
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122 | url += "?c="+collect +"&a=d&cl=" + cl;
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123 | }else{
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124 | url = "library";
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125 | url += "?c="+collect +"&a=b&rt=s&s=ClassifierBrowse&cl=" + cl;\
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126 | url += "&excerptid=gs_content";
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127 | }
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128 |
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129 | docOIDs = [];
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130 | clPages = [];
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131 |
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132 | var outstandingURLs = [];
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133 | var visitedURLs = {};
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134 |
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135 | outstandingURLs.push(url);
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136 | visitedURLs[url] = 1;
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137 |
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138 | while(outstandingURLs.length > 0){
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139 | url = outstandingURLs.shift();
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140 |
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141 | var clHtml = urlGetSync(url);
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142 |
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143 | var workingTrav = document.getElementById("workingTraverse");
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144 | workingTrav.innerHTML = clHtml;
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145 |
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146 | var aElems = workingTrav.getElementsByTagName("a");
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147 |
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148 | /* any links with (document|browse)=> outstandingURLS */
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149 | /* any links with (document|browse)/CL[0-9]/[0-9] => clPages */
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150 | /* any links with (document) => docOIDs */
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151 |
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152 | var actionRE = new RegExp("(\\\\/)(?:document|browse)(\\\\/)");
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153 | var clRE = new RegExp("(\\\\/)browse\\\\/" + cl + "(\\\\/\\\\d+)+(\$)");
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154 | var docRE = new RegExp("(?:\\\\/)document\\\\/(.*?)(?:\$)");
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155 |
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156 | for(var i = 0; i < aElems.length; i++){
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157 | var aElem = aElems[i];
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158 | var href = aElem.href;
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159 |
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160 | if(href && href.match(actionRE)){
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161 | if(href.match(clRE)){
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162 | if(!visitedURLs[href]){
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163 | //console.log("found a new CL line: " + href);
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164 | outstandingURLs.push(href);
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165 | visitedURLs[href] = 1;
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166 | clPages.push(href);
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167 | }
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168 | }else if(href.match(docRE)){
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169 | if(!visitedURLs[href]){
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170 | var docMatch = docRE.exec(href);
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171 | var docOID = docMatch[1];
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172 |
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173 | //console.log("found a new doc line: " + docOID);
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174 | visitedURLs[href] = 1;
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175 | docOIDs.push(docOID);
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176 | }
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177 | }
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178 | }
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179 | }
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180 | }
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181 |
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182 | numDocOIDs = docOIDs.length;
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183 | numClPages = clPages.length;
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184 | var iframe = document.getElementById('iframe');
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185 |
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186 | startProcessing(iframe); //Process documents
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187 |
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188 | return false;
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189 | });
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190 |
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191 | });
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192 |
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193 | function startProcessing(iframe){
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194 |
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195 | var docOID = docOIDs.shift();
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196 |
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197 | iframe.src = getDocumentUrl(docOID);
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198 |
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199 | var progressbar = document.getElementById('progressbar');
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200 | progressbar.style.display = 'block';
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201 | }
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202 |
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203 |
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204 |
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205 |
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206 | function pageLoaded(){
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207 | var iframe = document.getElementById("iframe");
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208 |
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209 | if(iframe.src){
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210 |
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211 | if(iframe.style.display != 'block'){
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212 | iframe.height = '90%';
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213 | iframe.style.display = 'block';
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214 | }
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215 |
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216 | var iframeDoc = getIframeDoc(iframe);
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217 |
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218 |
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219 | /*Check url - if it's a doc Url, call "writeDocument", otherwise call "writeClPage"*/
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220 | var clRE = new RegExp("(\\\\/)browse\\\\/" + cl + "(\\\\/\\\\d+)+(\$)");
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221 |
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222 |
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223 | if(iframe.src.match(clRE)){
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224 | writeClPage(iframe,iframeDoc);
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225 | }else{
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226 | writeDocument(iframe,iframeDoc);
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227 | }
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228 | }
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229 | }
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230 |
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231 | function writeDocument(iframe){
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232 |
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233 | var xmlUrl = iframe.src + "&o=xml";
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234 | console.log("xml url: " + xmlUrl);
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235 | var iter = (numDocOIDs - docOIDs.length);
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236 | var progressPercent = iter/numDocOIDs * 100;
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237 |
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238 | var frameNum = getMetadata(xmlUrl,'frameID');
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239 |
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240 | if(frameNum === null){
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241 | frameNum = iter;
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242 | }
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243 |
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244 | var iframeDoc = getIframeDoc(iframe);
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245 |
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246 | \$(function(){
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247 | \$('#progressbar').progressbar({ value: progressPercent });
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248 | });
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249 |
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250 | var gsContent = iframeDoc.getElementById("gs_content");
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251 |
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252 | var assocElem = iframeDoc.getElementById("assocfilepath");
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253 |
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254 | var assoc = null;
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255 |
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256 | if(assocElem === undefined || assocElem === null){
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257 | assoc = getMetadata(xmlUrl,'assocfilepath');
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258 |
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259 | }
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260 |
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261 | var expFrameTree = htmlToExpeditee(gsContent,compute_font,compute_width);
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262 |
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263 | var expFrame = JSON.stringify(expFrameTree);
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264 | //console.log(expFrame);
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265 |
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266 | var url = "cgi-bin/html-to-expeditee.pl";
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267 | var params = "c=" + collect;
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268 |
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269 | if(site.match(/\\w/)){
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270 | params += "&site=" + site;
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271 | }
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272 |
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273 | params += "&a=generate-frame&fn=" + frameNum;
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274 | params += "&json=" + escape(expFrame);
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275 |
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276 | //Add an assocfilepath but only if it is defined
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277 | if(assoc !== null){
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278 | params += "&assoc=" + assoc;
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279 | }
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280 |
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281 | params += "&compute-font=" + compute_font;
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282 |
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283 | params += "&page-type=" + "document";
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284 |
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285 |
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286 | var clHtml = urlPostSync(url,params);
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287 |
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288 | if(!clHtml.match(/html-to-expeditee saved frame/)){
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289 | alert("ERROR PROCESSING URL: " + url);
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290 | }
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291 |
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292 | if(docOIDs.length > 0){
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293 | var docOID = docOIDs.shift();
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294 |
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295 | //Add docOID and matching frame number to an associative array for later use.
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296 | hashMapDocFrames[docOID] = frameNum;
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297 |
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298 | iframe.src = getDocumentUrl(docOID);
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299 |
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300 | }else{
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301 |
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302 | //start writing CL pages.
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303 | if(generate_browsing){
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304 | iframe.src = clPages.shift();
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305 | }else{
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306 | //We are finished
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307 | finish(iframe);
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308 | }
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309 | }
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310 | }
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311 |
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312 | function getIframeDoc(){
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313 |
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314 | var iframeDoc = null;
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315 |
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316 | if(iframe.contentDocument){ /* FF and Chrome */
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317 | iframeDoc = iframe.contentDocument;
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318 | }else if(iframe.contentWindow){ /* IE */
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319 | iframeDoc = iframe.contentWindow.document;
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320 | }
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321 |
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322 |
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323 | return iframeDoc;
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324 | }
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325 |
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326 | function getDocumentUrl(docOID){
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327 | var url;
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328 |
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329 | if(gs2){
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330 | url = "library.cgi";
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331 | }else{
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332 | url = "library";
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333 | }
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334 |
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335 | url += "?c=" + collect + "&a=d&d=" + docOID;
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336 |
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337 | url += "&p.showAssocFilePath=1";
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338 |
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339 | return url;
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340 | }
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341 |
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342 | function writeClPage(iframe){
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343 |
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344 | var frameNum = numClPages - clPages.length;
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345 | var progressPercent = frameNum / numClPages * 100;
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346 | var iframeDoc = getIframeDoc(iframe);
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347 | //console.log("Processing cl page: " + iframe.src + " ****");
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348 |
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349 | \$(function(){
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350 | \$('#progressbar').progressbar({ value: progressPercent });
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351 | });
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352 |
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353 | var gsContent = iframeDoc.getElementById("gs_content");
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354 | var gsContentChildren = gsContent.getElementsByTagName('*');
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355 |
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356 | var docRE = new RegExp("(?:\\\\/)document\\\\/(.*?)(?:\$)");
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357 | var clRE = new RegExp("(\\\\/)browse\\\\/" + cl + "(\\\\/\\\\d+)+(\$)");
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358 |
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359 | for(var i = 0; i < gsContentChildren.length; i++){
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360 | var child = gsContentChildren[i];
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361 |
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362 | //get rid of rectangles around nodes.
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363 | if(child.tagName !== "IMG"){
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364 | child.setAttribute('rect','norect');
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365 | }
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366 |
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367 | if(child.tagName === "A"){
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368 | var aElem = child;
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369 | var aElemSrc = aElem.href;
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370 |
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371 | //if aElemSrc is a document url, then extract docOID then access hash map and get matching frame number.
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372 | if(aElemSrc.match(docRE)){
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373 | var docMatch = docRE.exec(aElemSrc);
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374 | var docOID = docMatch[1];
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375 |
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376 | var fn = hashMapDocFrames[docOID];
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377 |
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378 | var aElemChildren = aElem.getElementsByTagName('*');
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379 |
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380 | for(var j = 0; j < aElemChildren.length; j++){
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381 | var aElemChild = aElemChildren[j];
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382 |
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383 | if(fn !== null && fn!== undefined){
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384 | var frameName = collect + fn;
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385 | aElemChild.setAttribute("link",frameName);
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386 | }
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387 | }
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388 |
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389 | }else if(aElemSrc.match(clRE)){ //link the item to one of the other CL browsing frameset pages
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390 |
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391 | var clMatch = clRE.exec(aElemSrc);
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392 | var clPage = clMatch[2].substring(1);
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393 | console.log(clPage);
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394 | aElem.setAttribute("link",clPage);
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395 | }
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396 | }
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397 | }
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398 |
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399 | var expFrameTree = htmlToExpeditee(gsContent);
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400 | var expFrame = JSON.stringify(expFrameTree);
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401 | console.log(expFrame);
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402 |
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403 | var url = "cgi-bin/html-to-expeditee.pl";
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404 | var params = "c=" + collect;
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405 |
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406 | if(site.match(/\\w/)){
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407 | params += "&site=" + site;
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408 | }
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409 |
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410 | params += "&cl=" + cl;
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411 | params += "&a=generate-frame&fn=" + frameNum;
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412 | params += "&json=" + escape(expFrame);
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413 | params += "&page-type=" + "clPage";
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414 |
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415 | var clHtml = urlPostSync(url,params);
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416 |
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417 | if(!clHtml.match(/html-to-expeditee saved frame/)){
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418 | alert("Error processing url: " + url);
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419 | }
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420 |
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421 | if(clPages.length > 0){
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422 | iframe.src = clPages.shift();
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423 | }else{
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424 | finish(iframe);
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425 | }
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426 | }
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427 |
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428 | function finish(iframe){
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429 | var progressbar = document.getElementById("progressbar");
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430 | progressbar.style.display = "none";
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431 |
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432 | iframe.style.display = "none";
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433 | delete iframe.src;
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434 | }
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435 |
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436 | /**
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437 | * This method is used at this stage to retrieve assocfilepath and
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438 | * frame number metadata values from the document's xml.
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439 | **/
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440 | function getMetadata(xmlUrl,nameValue){
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441 | var metadata = null;
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442 |
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443 | \$.ajax({
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444 | type: "GET",
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445 | async: false,
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446 | url: xmlUrl,
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447 | dataType: "xml",
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448 | success: function(xml){
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449 | \$(xml).find('metadata').each(function(){
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450 | var name = \$(this).attr('name');
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451 |
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452 | if(name === nameValue){
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453 | if(metadata === null){
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454 | metadata = \$(this).text();
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455 | }
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456 | }
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457 | });
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458 | }
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459 | });
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460 |
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461 | return metadata;
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462 | }
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463 |
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464 | </script>
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465 |
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466 | <div id="progressbar" width="100%" style="display: none; margin: 10px; height: 10px;"></div>
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467 |
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468 | <div id="workingTraverse" style="display: none"></div>
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469 |
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470 | <hr style="margin: 10px;">
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471 |
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472 | <iframe width="100%" id="iframe" style="display:none;" onload="pageLoaded()"></iframe>
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473 | </body>
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474 | </html>
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475 | EOT
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476 |
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477 | print "Content-type:text/html\n\n";
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478 | print $html_form;
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479 | }
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480 |
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481 | sub main
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482 | {
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483 | my $gsdl_cgi = new gsdlCGI();
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484 |
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485 | #Load GS modules
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486 | $gsdl_cgi->setup_gsdl();
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487 |
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488 | my $gsdlhome = $ENV{'GSDLHOME'};
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489 | $gsdl_cgi->checked_chdir($gsdlhome);
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490 |
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491 | #TODO: Refactor so we only need to use HtmlToExpediteeAction
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492 | require cgiactions::HtmlToExpediteeAction;
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493 | require cgiactions::CollectionSpaceAction;
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494 |
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495 | $gsdl_cgi->parse_cgi_args();
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496 | $gsdl_cgi->{'xml'} = 0;
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497 |
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498 | my $fn = $gsdl_cgi->clean_param("fn");
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499 |
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500 | if(defined $fn){
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501 | #page_type can have two values: "document" or "clPage"
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502 | my $page_type = $gsdl_cgi->clean_param("page-type");
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503 |
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504 | if(defined $page_type){
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505 | my $action;
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506 |
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507 | if($page_type eq "document"){
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508 | $action = new HtmlToExpediteeAction($gsdl_cgi,$iis6_mode);
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509 | }elsif($page_type eq "clPage"){
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510 | $action = new CollectionSpaceAction($gsdl_cgi,$iis6_mode);
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511 | }else{
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512 | $gsdl_cgi->generate_error("Invalid page type specified. Must be 'document' or 'clPage'");
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513 | }
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514 |
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515 | $action->do_action();
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516 | }else{
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517 | $gsdl_cgi->generate_error("No page type specified. Must be 'document' or 'clPage'");
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518 | }
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519 |
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520 | }else{
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521 | # generate html form
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522 | my $collect = $gsdl_cgi->clean_param("collect");
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523 | my $cl = $gsdl_cgi->clean_param("cl");
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524 |
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525 | #Establish collect_dir using defining 'site' along the way if GS3
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526 | my $site = undef;
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527 | my $isGSDL2 = undef;
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528 |
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529 | if($gsdl_cgi->greenstone_version() == 2){
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530 | $isGSDL2 = 1;
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531 | }else{
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532 | $isGSDL2 = 0;
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533 |
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534 | #GS3 (and possible future versions) make use of 'site'
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535 | $site = $gsdl_cgi->clean_param("site");
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536 |
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537 | if(!defined $site){
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538 | $gsdl_cgi->generate_error("No site specified.");
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539 | }
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540 | }
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541 |
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542 | generate_html_form($isGSDL2,$site,$collect,$cl);
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543 | }
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544 | }
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545 |
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546 | &main(); |
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