[6779] | 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)
|
---|
| 433 | this.obj._dp_init(this);
|
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| 434 | },
|
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| 435 |
|
---|
| 436 |
|
---|
| 437 | setOnAfterUpdate:function(ev){
|
---|
| 438 | this.attachEvent("onAfterUpdate",ev);
|
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| 439 | },
|
---|
| 440 | enableDebug:function(mode){
|
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| 441 | },
|
---|
| 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 |
|
---|
| 448 | /*! starts autoupdate mode
|
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| 449 | @param interval
|
---|
| 450 | time interval for sending update requests
|
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| 451 | */
|
---|
| 452 | setAutoUpdate: function(interval, user) {
|
---|
| 453 | interval = interval || 2000;
|
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| 454 |
|
---|
| 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){
|
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| 461 | this.afterAutoUpdate(sid, action, tid, xml_node);
|
---|
| 462 | });
|
---|
| 463 | this.attachEvent("onFullSync",function(){
|
---|
| 464 | this.fullSync();
|
---|
| 465 | });
|
---|
| 466 |
|
---|
| 467 | var self = this;
|
---|
| 468 | window.setInterval(function(){
|
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| 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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