1 | /***************************************************************************\ |
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2 | * eGroupWare - Contacts Center * |
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3 | * http://www.egroupware.org * |
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4 | * Written by: * |
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5 | * - Raphael Derosso Pereira <raphaelpereira@users.sourceforge.net> * |
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6 | * sponsored by Thyamad - http://www.thyamad.com * |
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7 | * ------------------------------------------------------------------------- * |
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8 | * This program is free software; you can redistribute it and/or modify it * |
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9 | * under the terms of the GNU General Public License as published by the * |
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10 | * Free Software Foundation; either version 2 of the License, or (at your * |
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11 | * option) any later version. * |
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12 | \***************************************************************************/ |
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13 | |
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14 | function cConnector() |
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15 | { |
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16 | /* Public Attributes */ |
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17 | this.requests = new Array(); |
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18 | this.progressContents = new Array(); |
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19 | this.visible = false; |
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20 | |
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21 | var _this = this; |
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22 | |
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23 | /* Private Attributes */ |
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24 | this._progressBox = null; |
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25 | this._progressHolder = document.createElement('span'); |
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26 | this._progressBlank = null; |
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27 | |
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28 | this._progressHolder.style.visibility = 'hidden'; |
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29 | // this._progressHolder.style.backgroundColor = '#db7e22'; |
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30 | } |
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31 | |
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32 | cConnector.prototype.newRequest = function (id, target, method, handler, data) |
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33 | { |
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34 | var _this = this; |
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35 | |
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36 | if (this.requests[id] && this.requests[id] != null) |
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37 | { |
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38 | |
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39 | //this.requests[id].abort(); |
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40 | //delete this.requests[id]; |
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41 | //this.requests[id] = null; |
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42 | |
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43 | //setTimeout(function() { _this.newRequest(id, target, method, handler, data); }, 100); |
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44 | |
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45 | return; |
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46 | } |
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47 | |
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48 | var oxmlhttp = null; |
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49 | |
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50 | try |
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51 | { |
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52 | oxmlhttp = new XMLHttpRequest(); |
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53 | oxmlhttp.overrideMimeType('text/plain'); |
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54 | } |
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55 | catch (e) |
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56 | { |
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57 | try |
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58 | { |
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59 | oxmlhttp = new ActiveXObject('Msxml2.XMLHTTP'); |
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60 | } |
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61 | catch (e1) |
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62 | { |
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63 | try |
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64 | { |
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65 | oxmlhttp = new ActiveXObject('Microsoft.XMLHTTP'); |
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66 | } |
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67 | catch (e2) |
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68 | { |
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69 | oxmlhttp = null; |
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70 | } |
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71 | } |
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72 | } |
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73 | |
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74 | if (!oxmlhttp) |
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75 | { |
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76 | return false; |
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77 | } |
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78 | |
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79 | this.requests[id] = oxmlhttp; |
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80 | |
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81 | var _this = this; |
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82 | |
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83 | var sub_handler = function () |
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84 | { |
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85 | try |
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86 | { |
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87 | _this._setProgressState(oxmlhttp.readyState); |
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88 | |
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89 | if (oxmlhttp.readyState == 4 )//&& oxmlhttp.channel.status == 0) |
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90 | { |
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91 | switch (oxmlhttp.status) |
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92 | { |
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93 | case 200: |
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94 | if (typeof(handler) == 'function') |
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95 | { |
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96 | handler(oxmlhttp.responseText); |
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97 | } |
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98 | delete _this.requests[id]; |
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99 | _this.requests[id] = null; |
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100 | break; |
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101 | |
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102 | case 404: |
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103 | alert('Page Not Found!'); |
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104 | break; |
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105 | |
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106 | default: |
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107 | //alert('Some problem while accessing the server. The status is '+oxmlhttp.status); |
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108 | } |
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109 | } |
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110 | } |
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111 | catch (e) |
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112 | { |
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113 | delete _this.requests[id]; |
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114 | //showMessage(e); |
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115 | } |
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116 | } |
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117 | |
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118 | try |
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119 | { |
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120 | if ( method != 'POST') |
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121 | method = 'GET'; |
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122 | oxmlhttp.open( method, target, true); |
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123 | oxmlhttp.setRequestHeader( 'BackgroundRequest', Date.parse( new Date ) ); |
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124 | if ( method == 'GET') |
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125 | { |
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126 | if (typeof(handler) == 'function') |
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127 | { |
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128 | oxmlhttp.onreadystatechange = sub_handler; |
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129 | } |
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130 | oxmlhttp.send(null); |
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131 | } |
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132 | else if (method == 'POST') |
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133 | { |
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134 | if (typeof(handler) == 'function') |
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135 | { |
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136 | oxmlhttp.onreadystatechange = sub_handler; |
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137 | } |
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138 | oxmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded'); |
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139 | oxmlhttp.send(data); |
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140 | //oxmlhttp.setRequestHeader('Content-Type','multipart/form-data; boundary=-----------------------------1156053686807595044986274307'); |
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141 | //oxmlhttp.setRequestHeader('Accept', 'text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5'); |
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142 | } |
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143 | } |
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144 | catch(e) |
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145 | { |
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146 | //showMessage(e); |
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147 | } |
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148 | |
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149 | return true; |
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150 | } |
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151 | |
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152 | cConnector.prototype.cancelRequest = function (id) |
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153 | { |
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154 | if (!this.requests[id]) |
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155 | { |
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156 | return false; |
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157 | } |
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158 | |
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159 | this.requests[id].abort(); |
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160 | } |
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161 | |
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162 | cConnector.prototype.setProgressContent = function (state, content) |
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163 | { |
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164 | switch (state) |
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165 | { |
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166 | case 0: |
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167 | case 'UNINITIALIZED': |
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168 | this.progressContents[0] = content; |
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169 | break; |
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170 | |
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171 | case 1: |
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172 | case 'LOADING': |
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173 | this.progressContents[1] = content; |
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174 | break; |
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175 | |
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176 | case 2: |
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177 | case 'LOADED': |
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178 | this.progressContents[2] = content; |
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179 | break; |
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180 | |
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181 | case 3: |
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182 | case 'INTERACTIVE': |
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183 | this.progressContents[3] = content; |
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184 | break; |
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185 | |
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186 | case 4: |
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187 | case 'COMPLETED': |
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188 | this.progressContents[4] = content; |
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189 | break; |
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190 | |
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191 | default: |
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192 | throw('INVALID STATE!'); |
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193 | } |
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194 | } |
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195 | |
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196 | cConnector.prototype.setProgressHolder = function (holder) |
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197 | { |
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198 | var objHolder; |
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199 | |
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200 | if (typeof(holder) == 'string') |
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201 | { |
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202 | objHolder = Element(holder); |
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203 | } |
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204 | else if (typeof(holder) == 'object') |
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205 | { |
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206 | objHolder = holder; |
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207 | } |
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208 | else |
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209 | { |
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210 | return false; |
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211 | } |
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212 | |
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213 | objHolder.appendChild(this._progressHolder); |
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214 | } |
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215 | |
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216 | cConnector.prototype.setProgressBox = function (box, auto) |
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217 | { |
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218 | var objBox; |
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219 | |
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220 | if (typeof(box) == 'string') |
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221 | { |
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222 | objBox = Element(box); |
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223 | } |
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224 | else if (typeof(box) == 'object') |
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225 | { |
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226 | objBox = box; |
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227 | } |
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228 | else |
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229 | { |
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230 | return false; |
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231 | } |
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232 | |
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233 | this._progressBox = objBox; |
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234 | this._progressBoxAuto = auto ? true : false; |
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235 | } |
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236 | |
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237 | cConnector.prototype.setVisible = function (visible) |
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238 | { |
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239 | this.visible = visible; |
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240 | if (!visible) |
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241 | { |
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242 | this._progressHolder.style.visibility = 'hidden'; |
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243 | } |
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244 | } |
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245 | |
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246 | /****************************************************************************\ |
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247 | * Private Methods * |
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248 | \****************************************************************************/ |
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249 | |
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250 | cConnector.prototype._setProgressState = function (state) |
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251 | { |
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252 | switch (state) |
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253 | { |
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254 | case 0: |
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255 | case 4: |
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256 | if (this._progressBox != null) |
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257 | { |
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258 | this._progressBox.style.visibility = 'hidden'; |
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259 | this._progressBox.style.zIndex = '-1'; |
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260 | |
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261 | if (is_ie && this._progressBlank) |
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262 | this._progressBlank.style.visibility = 'hidden'; |
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263 | } |
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264 | |
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265 | this._progressHolder.style.visibility = 'hidden'; |
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266 | this._progressHolder.style.zIndex = '-1'; |
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267 | |
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268 | if (is_ie && this._progressBlank) |
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269 | this._progressBlank.style.visibility = 'hidden'; |
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270 | |
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271 | break; |
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272 | |
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273 | default: |
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274 | if (this.visible && Element('cc_connector_visible').value == 'true') |
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275 | { |
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276 | if (this._progressBox != null) |
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277 | { |
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278 | if (this._progressBoxAuto) |
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279 | { |
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280 | if (is_ie) |
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281 | { |
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282 | this._progressBox.style.top = parseInt(document.body.offsetHeight)/2 + 'px'; |
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283 | this._progressBox.style.left = parseInt(document.body.offsetWidth)/2 + 'px'; |
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284 | this._progressBlank = document.getElementById('divBlank'); |
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285 | if(! this._progressBlank ) { |
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286 | document.body.insertAdjacentHTML("beforeEnd", '<iframe id="divBlank" src="about:blank" style="position:absolute" scrolling="no" frameborder="0"></iframe>'); |
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287 | this._progressBlank = document.getElementById('divBlank'); |
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288 | this._progressBlank.style.top = parseInt(document.body.offsetHeight)/2 + 'px'; |
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289 | this._progressBlank.style.left = parseInt(document.body.offsetWidth)/2 + 'px'; |
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290 | this._progressBlank.style.height = "36px"; |
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291 | this._progressBlank.style.width = "130px"; |
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292 | } |
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293 | } |
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294 | else |
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295 | { |
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296 | this._progressBox.style.top = parseInt(window.innerHeight)/2 + parseInt(window.pageYOffset) - this._progressBox.style.height/2 + 'px'; |
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297 | this._progressBox.style.left = parseInt(window.innerWidth)/2 + parseInt(window.pageXOffset) - this._progressBox.style.width/2 + 'px'; |
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298 | } |
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299 | } |
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300 | this._progressBox.style.visibility = 'visible'; |
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301 | this._progressBox.style.zIndex = '1000'; |
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302 | } |
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303 | |
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304 | this._progressHolder.style.visibility = 'visible'; |
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305 | this._progressHolder.style.zIndex = '1000'; |
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306 | |
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307 | this._progressHolder.innerHTML = this.progressContents[state] ? this.progressContents[state] : ''; |
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308 | |
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309 | if(is_ie) { |
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310 | this._progressBlank.style.visibility = 'visible'; |
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311 | this._progressBlank .style.zIndex = '999'; |
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312 | } |
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313 | |
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314 | } |
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315 | } |
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316 | } |
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