1 | // |
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2 | // yWorks GraphMLViewer 1.0 |
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3 | // |
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4 | // |
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5 | var isIE = (navigator.appVersion.indexOf("MSIE") != -1); |
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6 | var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1); |
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7 | var isOpera = (navigator.userAgent.indexOf("Opera") != -1); |
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8 | |
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9 | // Get the URL of the HTML document. Needed to convert relative URLs into absolute URLs. |
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10 | function GetUrl() { |
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11 | return location.href; |
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12 | } |
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13 | |
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14 | var _factories = [ |
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15 | function() { return new XMLHttpRequest();}, |
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16 | function() { return new ActiveXObject("Msxml2.XMLHTTP"); }, |
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17 | function() { return new ActiveXObject("Microsoft.XMLHTTP"); }]; |
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18 | |
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19 | var _factory = null; |
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20 | |
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21 | // Creates a HttpRequest from one of the factories |
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22 | function newRequest() { |
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23 | if (_factory != null) return _factory; |
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24 | for (var i=0; i<_factories.length; i++) { |
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25 | try { |
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26 | var factory = _factories[i]; |
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27 | var request = factory(); |
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28 | if (request != null) { |
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29 | _factory = factory; |
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30 | return request; |
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31 | } |
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32 | }catch(e) { |
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33 | continue; |
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34 | } |
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35 | } |
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36 | return null; |
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37 | } |
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38 | |
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39 | // loads a GraphML |
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40 | function LoadGraphML(url) { |
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41 | var request = newRequest(); |
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42 | var func = null; //getCompleteCallback(); // async loading doesn't work currently |
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43 | if (request != null) { |
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44 | if (func) { |
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45 | request.open("GET", url, true); |
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46 | request.onreadystatechange = function() { |
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47 | if (request.readyState == 4) { |
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48 | onLoadComplete(request.responseText); |
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49 | } |
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50 | } |
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51 | request.send(null); |
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52 | return "async"; |
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53 | } else { |
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54 | request.open("GET", url, false); |
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55 | request.send(null); |
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56 | // var response = request.responseXML; |
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57 | var text = request.responseText; |
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58 | if (text) return text; |
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59 | |
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60 | } |
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61 | |
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62 | } |
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63 | return null; |
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64 | } |
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65 | |
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66 | function getCompleteCallback() { |
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67 | var swfFile; |
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68 | if (navigator.appName.indexOf("Microsoft") != -1) { |
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69 | swfFile = window["GraphMLViewer"]; |
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70 | } else { |
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71 | swfFile = document["GraphMLViewer"]; |
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72 | } |
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73 | return swfFile.loadCompleteCallback; |
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74 | } |
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75 | |
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76 | function onLoadComplete(value) { |
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77 | var func = getCompleteCallback(); |
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78 | func(value); |
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79 | } |
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80 | |
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81 | |
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82 | // Gets the parameters and creates and starts the viewer. |
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83 | // Returns false if the Flash Player is too old or not installed. |
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84 | function RunPlayer() { |
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85 | |
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86 | var hasRequestedVersion = DetectFlashVer(9, 0, 38); |
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87 | |
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88 | var params = CreateParams(arguments); |
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89 | |
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90 | if (!hasRequestedVersion) { |
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91 | return false; |
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92 | } |
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93 | |
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94 | initMouseWheel(); |
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95 | |
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96 | var url = "GraphMLViewer.swf"; |
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97 | if (location.href.substr(0, 5) != "file:") { |
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98 | url = "http://www.yworks.com/products/graphmlviewer/1.1/GraphMLViewer.swf"; |
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99 | } |
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100 | |
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101 | var str = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" ' + |
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102 | 'id="viewer'+ params["id"] + '" width="' + params["width"] + '" height="' + params["height"] + '"' + |
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103 | ' codebase="http://fpdownload.macromedia.com/get/flashplayer/current/swflash.cab">' + |
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104 | ' <param name="movie" value="' + url + '" />' + |
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105 | ' <param name="quality" value="high" />' + |
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106 | ' <param name="bgcolor" value="#ffffff" />' + |
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107 | ' <param name="allowScriptAccess" value="always" />' + |
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108 | ' <param name="FlashVars" value="' + params["flashvars"] + '" />' + |
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109 | ' <embed src="' + url + '" quality="high" bgcolor="#ffffff"' + |
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110 | ' width="' + params["width"] + '" height="' + params["height"] + '" name="viewer'+ params["id"] + '" align="middle"' + |
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111 | ' play="true"' + |
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112 | ' loop="false"' + |
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113 | ' allowScriptAccess="always"' + |
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114 | ' type="application/x-shockwave-flash"' + |
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115 | ' pluginspage="http://www.adobe.com/go/getflashplayer"' + |
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116 | ' FlashVars="' + params["flashvars"] + '">' + |
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117 | '</embed>' + |
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118 | '</object>'; |
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119 | |
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120 | document.write(str); |
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121 | |
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122 | return true; |
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123 | } |
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124 | |
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125 | function CreateParams(args) { |
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126 | var ret = new Object(); |
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127 | var flashVars = new Object(); |
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128 | for (var i = 0; i < args.length; i += 2) { |
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129 | var param = String(args[i]).toLowerCase(); |
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130 | switch (param) { |
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131 | case "width": |
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132 | case "height": |
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133 | case "flashvars": |
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134 | case "id": |
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135 | ret[param] = args[i + 1]; |
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136 | break; |
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137 | default: |
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138 | flashVars[param] = args[i + 1]; |
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139 | break; |
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140 | } |
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141 | } |
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142 | if (!ret["flashvars"]) { |
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143 | var flashVarString = ""; |
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144 | if (flashVars["graphurl"] != null) { |
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145 | flashVarString = flashVarString + "&graphUrl=" + flashVars["graphurl"]; |
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146 | } |
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147 | if (flashVars["overview"] != null) { |
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148 | flashVarString = flashVarString + "&overview=" + flashVars["overview"]; |
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149 | } |
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150 | if (flashVars["toolbar"] != null) { |
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151 | flashVarString = flashVarString + "&toolbar=" + flashVars["toolbar"]; |
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152 | } |
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153 | if (flashVars["tooltips"] != null) { |
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154 | flashVarString = flashVarString + "&tooltips=" + flashVars["tooltips"]; |
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155 | } |
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156 | if (flashVars["movable"] != null) { |
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157 | flashVarString = flashVarString + "&movable=" + flashVars["movable"]; |
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158 | } |
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159 | if (flashVars["links"] != null) { |
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160 | flashVarString = flashVarString + "&links=" + flashVars["links"]; |
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161 | } |
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162 | if (flashVars["linksinnewwindow"] != null) { |
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163 | flashVarString = flashVarString + "&linksInNewWindow=" + flashVars["linksinnewwindow"]; |
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164 | } |
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165 | if (flashVars["viewport"] != null) { |
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166 | flashVarString = flashVarString + "&viewport=" + flashVars["viewport"]; |
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167 | } |
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168 | if (flashVars["scrollbars"] != null) { |
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169 | flashVarString = flashVarString + "&scrollbars=" + flashVars["scrollbars"]; |
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170 | } |
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171 | if (flashVarString.length > 0) { |
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172 | ret["flashvars"] = flashVarString.substring(1, flashVarString.length); |
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173 | } |
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174 | } |
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175 | if (!ret["width"]) { |
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176 | ret["width"] = "100%"; |
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177 | } |
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178 | if (!ret["height"]) { |
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179 | ret["height"] = "100%"; |
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180 | } |
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181 | if (!ret["id"]) { |
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182 | ret["id"] = "1"; |
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183 | } |
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184 | return ret; |
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185 | } |
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186 | |
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187 | |
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188 | ////////////////// Mouse wheel stuff ////////////////////// |
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189 | |
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190 | |
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191 | // create unique namespace |
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192 | if(typeof eb == "undefined" || !eb) eb = {}; |
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193 | |
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194 | var userAgent = navigator.userAgent.toLowerCase(); |
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195 | eb.platform = { |
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196 | win:/win/.test(userAgent), |
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197 | mac:/mac/.test(userAgent) |
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198 | }; |
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199 | eb.browser = { |
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200 | version: (userAgent.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1], |
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201 | safari: /webkit/.test(userAgent), |
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202 | opera: /opera/.test(userAgent), |
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203 | msie: /msie/.test(userAgent) && !/opera/.test(userAgent), |
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204 | mozilla: /mozilla/.test(userAgent) && !/(compatible|webkit)/.test(userAgent), |
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205 | chrome: /chrome/.test(userAgent) |
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206 | }; |
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207 | |
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208 | function isHovering(evt) { |
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209 | var r = false; |
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210 | var elem = evt.srcElement ? evt.srcElement : evt.target; |
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211 | if( null != elem ) { |
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212 | var nodeName = elem.nodeName.toLowerCase(); |
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213 | if (( nodeName == "object" && |
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214 | elem.getAttribute("classid").toLowerCase() == "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000") || |
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215 | (nodeName == "embed" && |
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216 | elem.getAttribute("type") == "application/x-shockwave-flash")) { |
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217 | r = true; |
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218 | } |
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219 | } |
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220 | return r; |
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221 | } |
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222 | |
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223 | function onMouseWheel(evt) { |
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224 | evt = evt? evt : window.event; |
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225 | if (isHovering(evt)) { return handleMouseWheel(evt); } |
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226 | return true; |
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227 | } |
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228 | |
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229 | function handleMouseWheel(evt) { |
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230 | evt = evt ? evt : window.event; |
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231 | if (evt.stopPropagation) { |
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232 | evt.stopPropagation(); |
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233 | } |
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234 | if (evt.preventDefault) { |
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235 | evt.preventDefault(); |
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236 | } |
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237 | evt.cancelBubble = true; |
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238 | evt.cancel = true; |
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239 | evt.returnValue = false; |
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240 | var elem = evt.srcElement ? evt.srcElement : evt.target; |
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241 | if (evt.wheelDelta) delta = evt.wheelDelta / (eb.browser.opera ? 12 : 120); |
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242 | else if (evt.detail) delta = -evt.detail; |
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243 | if (eb.platform.mac && elem.externalMouseEvent) elem.externalMouseEvent(delta); |
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244 | return false; |
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245 | } |
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246 | var initialized = false; |
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247 | |
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248 | function initMouseWheel() { |
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249 | if (!initialized) { |
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250 | if (window.addEventListener) { |
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251 | window.addEventListener('DOMMouseScroll', onMouseWheel, false); |
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252 | } |
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253 | window.onmousewheel = document.onmousewheel = onMouseWheel; |
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254 | initialized = true; |
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255 | } |
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256 | } |
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257 | |
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258 | |
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259 | |
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260 | // JavaScript helper required to detect Flash Player PlugIn version information |
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261 | function GetSwfVer() { |
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262 | // NS/Opera version >= 3 check for Flash plugin in plugin array |
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263 | var flashVer = -1; |
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264 | |
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265 | if (navigator.plugins != null && navigator.plugins.length > 0) { |
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266 | if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) { |
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267 | var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : ""; |
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268 | var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description; |
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269 | var descArray = flashDescription.split(" "); |
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270 | var tempArrayMajor = descArray[2].split("."); |
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271 | var versionMajor = tempArrayMajor[0]; |
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272 | var versionMinor = tempArrayMajor[1]; |
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273 | var versionRevision = descArray[3]; |
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274 | if (versionRevision == "") { |
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275 | versionRevision = descArray[4]; |
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276 | } |
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277 | if (versionRevision[0] == "d") { |
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278 | versionRevision = versionRevision.substring(1); |
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279 | } else if (versionRevision[0] == "r") { |
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280 | versionRevision = versionRevision.substring(1); |
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281 | if (versionRevision.indexOf("d") > 0) { |
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282 | versionRevision = versionRevision.substring(0, versionRevision.indexOf("d")); |
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283 | } |
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284 | } |
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285 | flashVer = versionMajor + "." + versionMinor + "." + versionRevision; |
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286 | } |
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287 | } |
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288 | // MSN/WebTV 2.6 supports Flash 4 |
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289 | else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4; |
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290 | // WebTV 2.5 supports Flash 3 |
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291 | else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3; |
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292 | // older WebTV supports Flash 2 |
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293 | else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2; |
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294 | else if (isIE && isWin && !isOpera) { |
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295 | flashVer = ControlVersion(); |
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296 | } |
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297 | return flashVer; |
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298 | } |
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299 | |
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300 | function ControlVersion() |
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301 | { |
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302 | var version; |
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303 | var axo; |
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304 | var e; |
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305 | |
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306 | // NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry |
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307 | |
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308 | try { |
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309 | // version will be set for 7.X or greater players |
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310 | axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7"); |
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311 | version = axo.GetVariable("$version"); |
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312 | } catch (e) { |
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313 | } |
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314 | |
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315 | if (!version) |
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316 | { |
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317 | try { |
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318 | // version will be set for 6.X players only |
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319 | axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6"); |
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320 | |
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321 | // installed player is some revision of 6.0 |
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322 | // GetVariable("$version") crashes for versions 6.0.22 through 6.0.29, |
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323 | // so we have to be careful. |
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324 | |
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325 | // default to the first public version |
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326 | version = "WIN 6,0,21,0"; |
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327 | |
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328 | // throws if AllowScripAccess does not exist (introduced in 6.0r47) |
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329 | axo.AllowScriptAccess = "always"; |
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330 | |
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331 | // safe to call for 6.0r47 or greater |
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332 | version = axo.GetVariable("$version"); |
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333 | |
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334 | } catch (e) { |
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335 | } |
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336 | } |
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337 | |
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338 | if (!version) |
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339 | { |
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340 | try { |
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341 | // version will be set for 4.X or 5.X player |
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342 | axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3"); |
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343 | version = axo.GetVariable("$version"); |
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344 | } catch (e) { |
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345 | } |
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346 | } |
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347 | |
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348 | if (!version) |
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349 | { |
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350 | try { |
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351 | // version will be set for 3.X player |
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352 | axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3"); |
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353 | version = "WIN 3,0,18,0"; |
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354 | } catch (e) { |
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355 | } |
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356 | } |
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357 | |
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358 | if (!version) |
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359 | { |
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360 | try { |
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361 | // version will be set for 2.X player |
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362 | axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"); |
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363 | version = "WIN 2,0,0,11"; |
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364 | } catch (e) { |
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365 | version = -1; |
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366 | } |
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367 | } |
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368 | |
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369 | return version; |
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370 | } |
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371 | |
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372 | // When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available |
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373 | function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) |
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374 | { |
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375 | var versionStr = GetSwfVer(); |
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376 | if (versionStr == -1) { |
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377 | return false; |
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378 | } else if (versionStr != 0) { |
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379 | if (isIE && isWin && !isOpera) { |
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380 | // Given "WIN 2,0,0,11" |
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381 | var tempArray = versionStr.split(" "); |
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382 | // ["WIN", "2,0,0,11"] |
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383 | var tempString = tempArray[1]; |
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384 | // "2,0,0,11" |
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385 | var versionArray = tempString.split(","); |
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386 | // ['2', '0', '0', '11'] |
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387 | } else { |
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388 | var versionArray = versionStr.split("."); |
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389 | } |
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390 | var versionMajor = versionArray[0]; |
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391 | var versionMinor = versionArray[1]; |
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392 | var versionRevision = versionArray[2]; |
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393 | |
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394 | // is the major.revision >= requested major.revision AND the minor version >= requested minor |
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395 | if (versionMajor > parseFloat(reqMajorVer)) { |
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396 | return true; |
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397 | } else if (versionMajor == parseFloat(reqMajorVer)) { |
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398 | if (versionMinor > parseFloat(reqMinorVer)) |
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399 | return true; |
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400 | else if (versionMinor == parseFloat(reqMinorVer)) { |
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401 | if (versionRevision >= parseFloat(reqRevision)) |
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402 | return true; |
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403 | } |
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404 | } |
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405 | } |
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406 | return false; |
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407 | } |
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408 | |
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409 | // Installs the latest Flash player. |
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410 | // Needs Flash Player 6.0.65 or later. |
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411 | // Returns false if the Flash player is too old or not installed. |
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412 | function InstallFlashUpdate() { |
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413 | |
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414 | var hasProductInstall = DetectFlashVer(6, 0, 65); |
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415 | if (hasProductInstall) { |
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416 | var params = CreateParams(arguments); |
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417 | var MMPlayerType = isIE ? "ActiveX" : "PlugIn"; |
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418 | var MMredirectURL = window.location; |
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419 | document.title = document.title.slice(0, 47) + " - Flash Player Installation"; |
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420 | var MMdoctitle = document.title; |
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421 | var fv = "MMredirectURL=" + MMredirectURL + '&MMplayerType=' + MMPlayerType + '&MMdoctitle=' + MMdoctitle; |
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422 | document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" ' + |
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423 | 'id="GraphMLViewer" width="' + params["width"] + '" height="' + params["height"] + '"' + |
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424 | ' codebase="http://fpdownload.macromedia.com/get/flashplayer/current/swflash.cab">' + |
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425 | ' <param name="movie" value="http://www.yworks.com/products/graphmlviewer/1.0.1/playerProductInstall.swf" />' + |
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426 | ' <param name="quality" value="high" />' + |
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427 | ' <param name="bgcolor" value="#ffffff" />' + |
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428 | ' <param name="allowScriptAccess" value="sameDomain" />' + |
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429 | ' <param name="FlashVars" value="' + fv + '" />' + |
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430 | ' <embed src="http://www.yworks.com/products/graphmlviewer/1.0.1/playerProductInstall.swf" quality="high" bgcolor="#ffffff"' + |
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431 | ' width="' + params["width"] + '" height="' + params["height"] + '" name="yEdViewer.graphml" align="middle"' + |
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432 | ' play="true"' + |
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433 | ' loop="false"' + |
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434 | ' quality="high"' + |
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435 | ' allowScriptAccess="sameDomain"' + |
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436 | ' type="application/x-shockwave-flash"' + |
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437 | ' pluginspage="http://www.adobe.com/go/getflashplayer"' + |
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438 | ' FlashVars="' + fv + '">' + |
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439 | '</embed>' + |
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440 | '</object>'); |
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441 | return true; |
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442 | } else { |
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443 | return false; |
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444 | } |
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445 | } |
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