1 | /**
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2 | * @desc: constructor, data processor object
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3 | * @param: serverProcessorURL - url used for update
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4 | * @type: public
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5 | */
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6 | function dataProcessor(serverProcessorURL){
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7 | this.serverProcessor = serverProcessorURL;
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8 | this.action_param="!nativeeditor_status";
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9 |
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10 | this.object = null;
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11 | this.updatedRows = []; //ids of updated rows
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12 |
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13 | this.autoUpdate = true;
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14 | this.updateMode = "cell";
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15 | this._tMode="GET";
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16 | this.post_delim = "_";
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17 |
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18 | this._waitMode=0;
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19 | this._in_progress={};//?
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20 | this._invalid={};
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21 | this.mandatoryFields=[];
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22 | this.messages=[];
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23 |
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24 | this.styles={
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25 | updated:"font-weight:bold;",
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26 | inserted:"font-weight:bold;",
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27 | deleted:"text-decoration : line-through;",
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28 | invalid:"background-color:FFE0E0;",
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29 | invalid_cell:"border-bottom:2px solid red;",
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30 | error:"color:red;",
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31 | clear:"font-weight:normal;text-decoration:none;"
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32 | };
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33 |
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34 | this.enableUTFencoding(true);
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35 | dhtmlxEventable(this);
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36 |
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37 | return this;
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38 | }
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39 |
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40 | dataProcessor.prototype={
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41 | /**
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42 | * @desc: select GET or POST transaction model
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43 | * @param: mode - GET/POST
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44 | * @param: total - true/false - send records row by row or all at once (for grid only)
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45 | * @type: public
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46 | */
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47 | setTransactionMode:function(mode,total){
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48 | this._tMode=mode;
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49 | this._tSend=total;
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50 | },
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51 | escape:function(data){
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52 | if (this._utf)
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53 | return encodeURIComponent(data);
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54 | else
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55 | return escape(data);
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56 | },
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57 | /**
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58 | * @desc: allows to set escaping mode
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59 | * @param: true - utf based escaping, simple - use current page encoding
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60 | * @type: public
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61 | */
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62 | enableUTFencoding:function(mode){
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63 | this._utf=convertStringToBoolean(mode);
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64 | },
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65 | /**
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66 | * @desc: allows to define, which column may trigger update
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67 | * @param: val - array or list of true/false values
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68 | * @type: public
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69 | */
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70 | setDataColumns:function(val){
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71 | this._columns=(typeof val == "string")?val.split(","):val;
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72 | },
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73 | /**
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74 | * @desc: get state of updating
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75 | * @returns: true - all in sync with server, false - some items not updated yet.
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76 | * @type: public
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77 | */
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78 | getSyncState:function(){
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79 | return !this.updatedRows.length;
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80 | },
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81 | /**
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82 | * @desc: enable/disable named field for data syncing, will use column ids for grid
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83 | * @param: mode - true/false
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84 | * @type: public
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85 | */
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86 | enableDataNames:function(mode){
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87 | this._endnm=convertStringToBoolean(mode);
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88 | },
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89 | /**
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90 | * @desc: enable/disable mode , when only changed fields and row id send to the server side, instead of all fields in default mode
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91 | * @param: mode - true/false
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92 | * @type: public
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93 | */
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94 | enablePartialDataSend:function(mode){
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95 | this._changed=convertStringToBoolean(mode);
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96 | },
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97 | /**
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98 | * @desc: set if rows should be send to server automaticaly
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99 | * @param: mode - "row" - based on row selection changed, "cell" - based on cell editing finished, "off" - manual data sending
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100 | * @type: public
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101 | */
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102 | setUpdateMode:function(mode,dnd){
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103 | this.autoUpdate = (mode=="cell");
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104 | this.updateMode = mode;
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105 | this.dnd=dnd;
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106 | },
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107 | ignore:function(code,master){
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108 | this._silent_mode=true;
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109 | code.call(master||window);
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110 | this._silent_mode=false;
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111 | },
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112 | /**
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113 | * @desc: mark row as updated/normal. check mandatory fields,initiate autoupdate (if turned on)
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114 | * @param: rowId - id of row to set update-status for
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115 | * @param: state - true for "updated", false for "not updated"
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116 | * @param: mode - update mode name
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117 | * @type: public
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118 | */
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119 | setUpdated:function(rowId,state,mode){
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120 | if (this._silent_mode) return;
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121 | var ind=this.findRow(rowId);
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122 |
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123 | mode=mode||"updated";
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124 | var existing = this.obj.getUserData(rowId,this.action_param);
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125 | if (existing && mode == "updated") mode=existing;
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126 | if (state){
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127 | this.set_invalid(rowId,false); //clear previous error flag
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128 | this.updatedRows[ind]=rowId;
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129 | this.obj.setUserData(rowId,this.action_param,mode);
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130 | if (this._in_progress[rowId])
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131 | this._in_progress[rowId]="wait";
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132 | } else{
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133 | if (!this.is_invalid(rowId)){
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134 | this.updatedRows.splice(ind,1);
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135 | this.obj.setUserData(rowId,this.action_param,"");
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136 | }
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137 | }
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138 |
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139 | //clear changed flag
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140 | if (!state)
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141 | this._clearUpdateFlag(rowId);
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142 |
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143 | this.markRow(rowId,state,mode);
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144 | if (state && this.autoUpdate) this.sendData(rowId);
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145 | },
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146 | _clearUpdateFlag:function(id){},
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147 | markRow:function(id,state,mode){
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148 | var str="";
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149 | var invalid=this.is_invalid(id);
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150 | if (invalid){
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151 | str=this.styles[invalid];
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152 | state=true;
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153 | }
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154 | if (this.callEvent("onRowMark",[id,state,mode,invalid])){
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155 | //default logic
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156 | str=this.styles[state?mode:"clear"]+str;
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157 |
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158 | this.obj[this._methods[0]](id,str);
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159 |
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160 | if (invalid && invalid.details){
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161 | str+=this.styles[invalid+"_cell"];
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162 | for (var i=0; i < invalid.details.length; i++)
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163 | if (invalid.details[i])
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164 | this.obj[this._methods[1]](id,i,str);
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165 | }
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166 | }
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167 | },
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168 | getState:function(id){
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169 | return this.obj.getUserData(id,this.action_param);
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170 | },
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171 | is_invalid:function(id){
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172 | return this._invalid[id];
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173 | },
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174 | set_invalid:function(id,mode,details){
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175 | if (details) mode={value:mode, details:details, toString:function(){ return this.value.toString(); }};
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176 | this._invalid[id]=mode;
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177 | },
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178 | /**
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179 | * @desc: check mandatory fields and varify values of cells, initiate update (if specified)
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180 | * @param: rowId - id of row to set update-status for
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181 | * @type: public
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182 | */
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183 | checkBeforeUpdate:function(rowId){
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184 | return true;
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185 | },
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186 | /**
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187 | * @desc: send row(s) values to server
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188 | * @param: rowId - id of row which data to send. If not specified, then all "updated" rows will be send
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189 | * @type: public
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190 | */
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191 | sendData:function(rowId){
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192 | if (this._waitMode && (this.obj.mytype=="tree" || this.obj._h2)) return;
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193 | if (this.obj.editStop) this.obj.editStop();
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194 |
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195 |
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196 | if(typeof rowId == "undefined" || this._tSend) return this.sendAllData();
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197 | if (this._in_progress[rowId]) return false;
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198 |
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199 | this.messages=[];
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200 | if (!this.checkBeforeUpdate(rowId) && this.callEvent("onValidatationError",[rowId,this.messages])) return false;
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201 | this._beforeSendData(this._getRowData(rowId),rowId);
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202 | },
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203 | _beforeSendData:function(data,rowId){
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204 | if (!this.callEvent("onBeforeUpdate",[rowId,this.getState(rowId),data])) return false;
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205 | this._sendData(data,rowId);
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206 | },
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207 | serialize:function(data, id){
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208 | if (typeof data == "string")
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209 | return data;
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210 | if (typeof id != "undefined")
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211 | return this.serialize_one(data,"");
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212 | else{
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213 | var stack = [];
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214 | var keys = [];
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215 | for (var key in data)
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216 | if (data.hasOwnProperty(key)){
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217 | stack.push(this.serialize_one(data[key],key+this.post_delim));
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218 | keys.push(key);
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219 | }
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220 | stack.push("ids="+this.escape(keys.join(",")));
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221 | return stack.join("&");
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222 | }
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223 | },
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224 | serialize_one:function(data, pref){
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225 | if (typeof data == "string")
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226 | return data;
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227 | var stack = [];
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228 | for (var key in data)
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229 | if (data.hasOwnProperty(key))
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230 | stack.push(this.escape((pref||"")+key)+"="+this.escape(data[key]));
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231 | return stack.join("&");
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232 | },
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233 | _sendData:function(a1,rowId){
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234 | if (!a1) return; //nothing to send
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235 | if (!this.callEvent("onBeforeDataSending",rowId?[rowId,this.getState(rowId),a1]:[null, null, a1])) return false;
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236 |
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237 | if (rowId)
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238 | this._in_progress[rowId]=(new Date()).valueOf();
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239 | var a2=new dtmlXMLLoaderObject(this.afterUpdate,this,true);
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240 |
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241 | var a3 = this.serverProcessor+(this._user?(getUrlSymbol(this.serverProcessor)+["dhx_user="+this._user,"dhx_version="+this.obj.getUserData(0,"version")].join("&")):"");
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242 |
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243 | if (this._tMode!="POST")
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244 | a2.loadXML(a3+((a3.indexOf("?")!=-1)?"&":"?")+this.serialize(a1,rowId));
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245 | else
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246 | a2.loadXML(a3,true,this.serialize(a1,rowId));
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247 |
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248 | this._waitMode++;
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249 | },
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250 | sendAllData:function(){
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251 | if (!this.updatedRows.length) return;
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252 |
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253 | this.messages=[]; var valid=true;
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254 | for (var i=0; i<this.updatedRows.length; i++)
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255 | valid&=this.checkBeforeUpdate(this.updatedRows[i]);
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256 | if (!valid && !this.callEvent("onValidatationError",["",this.messages])) return false;
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257 |
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258 | if (this._tSend)
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259 | this._sendData(this._getAllData());
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260 | else
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261 | for (var i=0; i<this.updatedRows.length; i++)
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262 | if (!this._in_progress[this.updatedRows[i]]){
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263 | if (this.is_invalid(this.updatedRows[i])) continue;
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264 | this._beforeSendData(this._getRowData(this.updatedRows[i]),this.updatedRows[i]);
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265 | if (this._waitMode && (this.obj.mytype=="tree" || this.obj._h2)) return; //block send all for tree
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266 | }
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267 | },
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268 |
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269 |
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270 |
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271 |
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272 |
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273 |
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274 |
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275 |
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276 | _getAllData:function(rowId){
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277 | var out={};
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278 | var has_one = false;
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279 | for(var i=0;i<this.updatedRows.length;i++){
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280 | var id=this.updatedRows[i];
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281 | if (this._in_progress[id] || this.is_invalid(id)) continue;
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282 | if (!this.callEvent("onBeforeUpdate",[id,this.getState(id)])) continue;
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283 | out[id]=this._getRowData(id,id+this.post_delim);
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284 | has_one = true;
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285 | this._in_progress[id]=(new Date()).valueOf();
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286 | }
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287 | return has_one?out:null;
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288 | },
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289 |
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290 |
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291 | /**
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292 | * @desc: specify column which value should be varified before sending to server
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293 | * @param: ind - column index (0 based)
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294 | * @param: verifFunction - function (object) which should verify cell value (if not specified, then value will be compared to empty string). Two arguments will be passed into it: value and column name
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295 | * @type: public
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296 | */
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297 | setVerificator:function(ind,verifFunction){
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298 | this.mandatoryFields[ind] = verifFunction||(function(value){return (value!="");});
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299 | },
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300 | /**
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301 | * @desc: remove column from list of those which should be verified
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302 | * @param: ind - column Index (0 based)
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303 | * @type: public
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304 | */
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305 | clearVerificator:function(ind){
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306 | this.mandatoryFields[ind] = false;
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307 | },
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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 |
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313 | findRow:function(pattern){
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314 | var i=0;
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315 | for(i=0;i<this.updatedRows.length;i++)
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316 | if(pattern==this.updatedRows[i]) break;
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317 | return i;
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318 | },
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319 |
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320 |
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321 |
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322 |
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323 |
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324 |
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325 |
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326 |
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327 |
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328 |
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329 |
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330 | /**
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331 | * @desc: define custom actions
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332 | * @param: name - name of action, same as value of action attribute
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333 | * @param: handler - custom function, which receives a XMl response content for action
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334 | * @type: private
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335 | */
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336 | defineAction:function(name,handler){
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337 | if (!this._uActions) this._uActions=[];
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338 | this._uActions[name]=handler;
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339 | },
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340 |
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341 |
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342 |
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343 |
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344 | /**
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345 | * @desc: used in combination with setOnBeforeUpdateHandler to create custom client-server transport system
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346 | * @param: sid - id of item before update
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347 | * @param: tid - id of item after up0ate
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348 | * @param: action - action name
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349 | * @type: public
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350 | * @topic: 0
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351 | */
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352 | afterUpdateCallback:function(sid, tid, action, btag) {
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353 | var marker = sid;
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354 | var correct=(action!="error" && action!="invalid");
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355 | if (!correct) this.set_invalid(sid,action);
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356 | if ((this._uActions)&&(this._uActions[action])&&(!this._uActions[action](btag)))
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357 | return (delete this._in_progress[marker]);
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358 |
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359 | if (this._in_progress[marker]!="wait")
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360 | this.setUpdated(sid, false);
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361 |
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362 | var soid = sid;
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363 |
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364 | switch (action) {
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365 | case "inserted":
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366 | case "insert":
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367 | if (tid != sid) {
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368 | this.obj[this._methods[2]](sid, tid);
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369 | sid = tid;
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370 | }
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371 | break;
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372 | case "delete":
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373 | case "deleted":
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374 | this.obj.setUserData(sid, this.action_param, "true_deleted");
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375 | this.obj[this._methods[3]](sid);
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376 | delete this._in_progress[marker];
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377 | return this.callEvent("onAfterUpdate", [sid, action, tid, btag]);
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378 | break;
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379 | }
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380 |
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381 | if (this._in_progress[marker]!="wait"){
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382 | if (correct) this.obj.setUserData(sid, this.action_param,'');
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383 | delete this._in_progress[marker];
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384 | } else {
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385 | delete this._in_progress[marker];
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386 | this.setUpdated(tid,true,this.obj.getUserData(sid,this.action_param));
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387 | }
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388 |
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389 | this.callEvent("onAfterUpdate", [sid, action, tid, btag]);
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390 | },
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391 |
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392 | /**
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393 | * @desc: response from server
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394 | * @param: xml - XMLLoader object with response XML
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395 | * @type: private
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396 | */
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397 | afterUpdate:function(that,b,c,d,xml){
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398 | xml.getXMLTopNode("data"); //fix incorrect content type in IE
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399 | if (!xml.xmlDoc.responseXML) return;
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400 | var atag=xml.doXPath("//data/action");
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401 | for (var i=0; i<atag.length; i++){
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402 | var btag=atag[i];
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403 | var action = btag.getAttribute("type");
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404 | var sid = btag.getAttribute("sid");
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405 | var tid = btag.getAttribute("tid");
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406 |
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407 | that.afterUpdateCallback(sid,tid,action,btag);
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408 | }
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409 | that.finalizeUpdate();
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410 | },
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411 | finalizeUpdate:function(){
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412 | if (this._waitMode) this._waitMode--;
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413 |
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414 | if ((this.obj.mytype=="tree" || this.obj._h2) && this.updatedRows.length)
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415 | this.sendData();
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416 | this.callEvent("onAfterUpdateFinish",[]);
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417 | if (!this.updatedRows.length)
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418 | this.callEvent("onFullSync",[]);
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419 | },
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420 |
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421 |
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422 |
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423 |
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424 |
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425 | /**
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426 | * @desc: initializes data-processor
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427 | * @param: anObj - dhtmlxGrid object to attach this data-processor to
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428 | * @type: public
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429 | */
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430 | init:function(anObj){
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431 | this.obj = anObj;
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432 | if (this.obj._dp_init)
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433 | this.obj._dp_init(this);
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434 | },
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435 |
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436 |
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437 | setOnAfterUpdate:function(ev){
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438 | this.attachEvent("onAfterUpdate",ev);
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439 | },
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440 | enableDebug:function(mode){
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441 | },
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442 | setOnBeforeUpdateHandler:function(func){
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443 | this.attachEvent("onBeforeDataSending",func);
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444 | },
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445 |
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446 |
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447 |
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448 | /*! starts autoupdate mode
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449 | @param interval
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450 | time interval for sending update requests
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451 | */
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452 | setAutoUpdate: function(interval, user) {
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453 | interval = interval || 2000;
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454 |
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455 | this._user = user || (new Date()).valueOf();
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456 | this._need_update = false;
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457 | this._loader = null;
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458 | this._update_busy = false;
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459 |
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460 | this.attachEvent("onAfterUpdate",function(sid,action,tid,xml_node){
|
---|
461 | this.afterAutoUpdate(sid, action, tid, xml_node);
|
---|
462 | });
|
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463 | this.attachEvent("onFullSync",function(){
|
---|
464 | this.fullSync();
|
---|
465 | });
|
---|
466 |
|
---|
467 | var self = this;
|
---|
468 | window.setInterval(function(){
|
---|
469 | self.loadUpdate();
|
---|
470 | }, interval);
|
---|
471 | },
|
---|
472 |
|
---|
473 |
|
---|
474 | /*! process updating request answer
|
---|
475 | if status == collision version is depricated
|
---|
476 | set flag for autoupdating immidiatly
|
---|
477 | */
|
---|
478 | afterAutoUpdate: function(sid, action, tid, xml_node) {
|
---|
479 | if (action == 'collision') {
|
---|
480 | this._need_update = true;
|
---|
481 | return false;
|
---|
482 | } else {
|
---|
483 | return true;
|
---|
484 | }
|
---|
485 | },
|
---|
486 |
|
---|
487 |
|
---|
488 | /*! callback function for onFillSync event
|
---|
489 | call update function if it's need
|
---|
490 | */
|
---|
491 | fullSync: function() {
|
---|
492 | if (this._need_update == true) {
|
---|
493 | this._need_update = false;
|
---|
494 | this.loadUpdate();
|
---|
495 | }
|
---|
496 | return true;
|
---|
497 | },
|
---|
498 |
|
---|
499 |
|
---|
500 | /*! sends query to the server and call callback function
|
---|
501 | */
|
---|
502 | getUpdates: function(url,callback){
|
---|
503 | if (this._update_busy)
|
---|
504 | return false;
|
---|
505 | else
|
---|
506 | this._update_busy = true;
|
---|
507 |
|
---|
508 | this._loader = this._loader || new dtmlXMLLoaderObject(true);
|
---|
509 |
|
---|
510 | this._loader.async=true;
|
---|
511 | this._loader.waitCall=callback;
|
---|
512 | this._loader.loadXML(url);
|
---|
513 | },
|
---|
514 |
|
---|
515 |
|
---|
516 | /*! returns xml node value
|
---|
517 | @param node
|
---|
518 | xml node
|
---|
519 | */
|
---|
520 | _v: function(node) {
|
---|
521 | if (node.firstChild) return node.firstChild.nodeValue;
|
---|
522 | return "";
|
---|
523 | },
|
---|
524 |
|
---|
525 |
|
---|
526 | /*! returns values array of xml nodes array
|
---|
527 | @param arr
|
---|
528 | array of xml nodes
|
---|
529 | */
|
---|
530 | _a: function(arr) {
|
---|
531 | var res = [];
|
---|
532 | for (var i=0; i < arr.length; i++) {
|
---|
533 | res[i]=this._v(arr[i]);
|
---|
534 | };
|
---|
535 | return res;
|
---|
536 | },
|
---|
537 |
|
---|
538 |
|
---|
539 | /*! loads updates and processes them
|
---|
540 | */
|
---|
541 | loadUpdate: function(){
|
---|
542 | var self = this;
|
---|
543 | var version = this.obj.getUserData(0,"version");
|
---|
544 | var url = this.serverProcessor+getUrlSymbol(this.serverProcessor)+["dhx_user="+this._user,"dhx_version="+version].join("&");
|
---|
545 | url = url.replace("editing=true&","");
|
---|
546 | this.getUpdates(url, function(){
|
---|
547 | var vers = self._loader.doXPath("//userdata");
|
---|
548 | self.obj.setUserData(0,"version",self._v(vers[0]));
|
---|
549 |
|
---|
550 | var upds = self._loader.doXPath("//update");
|
---|
551 | if (upds.length){
|
---|
552 | self._silent_mode = true;
|
---|
553 |
|
---|
554 | for (var i=0; i<upds.length; i++) {
|
---|
555 | var status = upds[i].getAttribute('status');
|
---|
556 | var id = upds[i].getAttribute('id');
|
---|
557 | var parent = upds[i].getAttribute('parent');
|
---|
558 | switch (status) {
|
---|
559 | case 'inserted':
|
---|
560 | self.callEvent("insertCallback",[upds[i], id, parent]);
|
---|
561 | break;
|
---|
562 | case 'updated':
|
---|
563 | self.callEvent("updateCallback",[upds[i], id, parent]);
|
---|
564 | break;
|
---|
565 | case 'deleted':
|
---|
566 | self.callEvent("deleteCallback",[upds[i], id, parent]);
|
---|
567 | break;
|
---|
568 | }
|
---|
569 | }
|
---|
570 |
|
---|
571 | self._silent_mode = false;
|
---|
572 | }
|
---|
573 |
|
---|
574 | self._update_busy = false;
|
---|
575 | self = null;
|
---|
576 | });
|
---|
577 | }
|
---|
578 |
|
---|
579 | };
|
---|
580 |
|
---|
581 | //(c)dhtmlx ltd. www.dhtmlx.com |
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