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sample_code:visitor_log

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sample_code:visitor_log [2014/11/11 21:56]
stevegarman [Notes] larger databàses 		sample_code:visitor_log [2014/12/07 05:05] (current)
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 //Visitor sign-in app by Steve Garman //Visitor sign-in app by Steve Garman
 //saves one day's data as a JSON string in a file //saves one day's data as a JSON string in a file
- 
 //Global variables //Global variables
-var recArray = [], fileFolder = "/sdcard/sjgApps/", jsonPath;+var recArray = [], 
 +  fileFolder = "/sdcard/sjgApps/", 
 +  jsonPath;
 //Global layouts and controls //Global layouts and controls
-var scrollr, layScroll, edtName, edtOrg, edtVehicle,edtReason;+var scrollr, layScroll, edtName, edtOrg, edtVehicle, edtReason;
  
 //Called when application is started. //Called when application is started.
-function OnStart(){ +function OnStart() 
-  if( ! app.IsTablet()) app.SetOrientation("Landscape"); +  { 
-  //file variables +    if (!app.IsTablet()) app.SetOrientation("Landscape"); 
-  var d = new Date(); +    //file variables 
-  jsonPath = fileFolder + "vistorBook" + +    var d = new Date(); 
-     d.toISOString().slice(0,10).replace(/-/g,"_") +    jsonPath = fileFolder + "vistorBook" + 
-     + ".json"; +      d.toISOString().slice(0, 10).replace(/-/g, "_") + ".json"; 
-  app.MakeFolder(fileFolder) +    app.MakeFolder(fileFolder) 
-  //Create main layout. +      //Create main layout. 
-  var lay = app.CreateLayout( "linear", "Left" ); +    var lay = app.CreateLayout("linear", "Left"); 
-  //Create a scroller and add it to main layout +    //Create a scroller and add it to main layout 
-  scrollr = app.CreateScroller( 1.0, 0.8 );  +    scrollr = app.CreateScroller(1.0, 0.8); 
-  lay.AddChild( scrollr );   +    lay.AddChild(scrollr); 
-  //Create a layout inside scroller.  +    //Create a layout inside scroller.  
-  layScroll = app.CreateLayout( "Linear", "Left"); +    layScroll = app.CreateLayout("Linear", "Left"); 
-  scrollr.AddChild( layScroll ); +    scrollr.AddChild(layScroll); 
-   + 
-  //Create a sign-in layout +    //Create a sign-in layout 
-  var layNew = app.CreateLayout( "linear", "Horizontal,Left"); +    var layNew = app.CreateLayout("linear", "Horizontal,Left"); 
-  edtName = app.CreateTextEdit("", .16); +    edtName = app.CreateTextEdit("", .16); 
-  edtName.SetHint("Name"); +    edtName.SetHint("Name"); 
-  layNew.AddChild(edtName); +    layNew.AddChild(edtName); 
-  edtOrg = app.CreateTextEdit("", .16); +    edtOrg = app.CreateTextEdit("", .16); 
-  edtOrg.SetHint("Organization"); +    edtOrg.SetHint("Organization"); 
-  layNew.AddChild(edtOrg); +    layNew.AddChild(edtOrg); 
-  edtVehicle = app.CreateTextEdit("", .16); +    edtVehicle = app.CreateTextEdit("", .16); 
-  edtVehicle.SetHint("Vehicle reg."); +    edtVehicle.SetHint("Vehicle reg."); 
-  layNew.AddChild(edtVehicle); +    layNew.AddChild(edtVehicle); 
-  edtReason = app.CreateTextEdit("", .16); +    edtReason = app.CreateTextEdit("", .16); 
-  edtReason.SetHint("Reason for visit"); +    edtReason.SetHint("Reason for visit"); 
-  layNew.AddChild(edtReason); +    layNew.AddChild(edtReason); 
-  var btnCreate = app.CreateButton("Ok"); +    var btnCreate = app.CreateButton("Ok"); 
-  btnCreate.SetOnTouch(btnCreate_OnClick); +    btnCreate.SetOnTouch(btnCreate_OnClick); 
-  layNew.AddChild(btnCreate); +    layNew.AddChild(btnCreate); 
-   + 
-  //Add sign-in layout to main layout +    //Add sign-in layout to main layout 
-  lay.AddChild(layNew);+    lay.AddChild(layNew);
  
-  //Add main layout to app.     +    //Add main layout to app.     
-  app.AddLayout( lay ); +    app.AddLayout(lay); 
-  //check if today's visitor book already active. +    //check if today's visitor book already active. 
-  if(app.FileExists(jsonPath)){ +    if (app.FileExists(jsonPath)) 
-    loadJSONfile(); +    { 
-  } +      loadJSONfile(); 
-}//OnStart+    } 
 +  } //OnStart
  
-function btnCreate_OnClick( ){ +function btnCreate_OnClick() 
-  app.HideKeyboard(); +  { 
-  var name = edtName.GetText(); +    app.HideKeyboard(); 
-  var org = edtOrg.GetText(); +    var name = edtName.GetText(); 
-  var reg = edtVehicle.GetText(); +    var org = edtOrg.GetText(); 
-  var reason = edtReason.GetText(); +    var reg = edtVehicle.GetText(); 
-  //check required fields +    var reason = edtReason.GetText(); 
-  var errs = ""; +    //check required fields 
-  if ( name == "" ) errs = "'Name' "; +    var errs = ""; 
-  if ( reason == "" ) errs = errs + "'Reason for visit' "; +    if (name == "") errs = "'Name' "; 
-  if ( errs != ""){ +    if (reason == "") errs = errs + "'Reason for visit' "; 
-    //bail out +    if (errs != "") 
-    app.Alert( errs + "cannot be empty"); +    { 
-    return; +      //bail out 
-  } +      app.Alert(errs + "cannot be empty"); 
-  // clear sign-in form for next visitor +      return; 
-  edtName.SetText(""); +    } 
-  edtOrg.SetText(""); +    // clear sign-in form for next visitor 
-  edtVehicle.SetText(""); +    edtName.SetText(""); 
-  edtReason.SetText(""); +    edtOrg.SetText(""); 
-  // create a record +    edtVehicle.SetText(""); 
-  var obj = {}; +    edtReason.SetText(""); 
-  obj.name = name; +    // create a record 
-  obj.org = org; +    var obj = {}; 
-  obj.reg = reg; +    obj.name = name; 
-  obj.reason = reason; +    obj.org = org; 
-  var d = new Date(); +    obj.reg = reg; 
-  obj.timeIn = d.toTimeString().slice(0,5); +    obj.reason = reason; 
-  obj.timeOut = "Out"; +    var d = new Date(); 
-  // add this record to the array +    obj.timeIn = d.toTimeString().slice(0, 5); 
-  recArray.push( obj ); +    obj.timeOut = "Out"; 
-  saveJSONfile(); +    // add this record to the array 
-  // display record on scroller +    recArray.push(obj); 
-  layScroll.AddChild( recordLayout(obj) ); +    saveJSONfile(); 
-  scrollr.ScrollTo(0, layScroll.GetHeight()); +    // display record on scroller 
-}//btnCreate_OnClick+    layScroll.AddChild(recordLayout(obj)); 
 +    scrollr.ScrollTo(0, layScroll.GetHeight()); 
 +  } //btnCreate_OnClick
  
-function btnOut_OnClick( ){ +function btnOut_OnClick() 
-  //has this visitor already signed out? +  { 
-  if (this.GetText() != "Out") return; +    //has this visitor already signed out? 
-  //not yet, so record time out +    if (this.GetText() != "Out") return; 
-  var d = new Date(); +    //not yet, so record time out 
-  this.obj.timeOut = d.toTimeString().slice(0,5); +    var d = new Date(); 
-  this.SetText(this.obj.timeOut); +    this.obj.timeOut = d.toTimeString().slice(0, 5); 
-  //update copy of recArray on file +    this.SetText(this.obj.timeOut); 
-  saveJSONfile(); +    //update copy of recArray on file 
-}//btnOut_OnClick+    saveJSONfile(); 
 +  } //btnOut_OnClick
  
-function recordLayout(obj){ +function recordLayout(obj) 
-  //create a new horizontal layout to display this record +  { 
-  var newlay = app.CreateLayout( "Linear", "Horizontal,FillXY" ); +    //create a new horizontal layout to display this record 
-  var txt = app.CreateText(obj.name, 0.15); +    var newlay = app.CreateLayout("Linear", "Horizontal,FillXY"); 
-  newlay.AddChild(txt); +    var txt = app.CreateText(obj.name, 0.15); 
-  txt = app.CreateText(obj.org, 0.15); +    newlay.AddChild(txt); 
-  newlay.AddChild(txt); +    txt = app.CreateText(obj.org, 0.15); 
-  txt = app.CreateText(obj.reg, 0.15); +    newlay.AddChild(txt); 
-  newlay.AddChild(txt); +    txt = app.CreateText(obj.reg, 0.15); 
-  txt = app.CreateText(obj.reason, 0.15); +    newlay.AddChild(txt); 
-  newlay.AddChild(txt); +    txt = app.CreateText(obj.reason, 0.15); 
-  txt = app.CreateText(obj.timeIn, 0.15); +    newlay.AddChild(txt); 
-  newlay.AddChild(txt); +    txt = app.CreateText(obj.timeIn, 0.15); 
-  var btn = app.CreateButton(obj.timeOut, 0.15); +    newlay.AddChild(txt); 
-  btn.obj = obj; +    var btn = app.CreateButton(obj.timeOut, 0.15); 
-  btn.SetOnTouch(btnOut_OnClick); +    btn.obj = obj; 
-  newlay.AddChild(btn); +    btn.SetOnTouch(btnOut_OnClick); 
-  return newlay; +    newlay.AddChild(btn); 
-}//recordLayout+    return newlay; 
 +  } //recordLayout
  
-function saveJSONfile(){ +function saveJSONfile() 
-  //update copy of recArray on file +  { 
-  var s = JSON.stringify(recArray); +    //update copy of recArray on file 
-  app.WriteFile(jsonPath, s ) +    var s = JSON.stringify(recArray); 
-}//saveJSONfile+    app.WriteFile(jsonPath, s) 
 +  } //saveJSONfile
  
-function loadJSONfile(){ +function loadJSONfile() 
-  //read copy of recArray from file +  { 
-  var s = app.ReadFile(jsonPath) +    //read copy of recArray from file 
-  recArray = JSON.parse(s) +    var s = app.ReadFile(jsonPath) 
-  var len = recArray.length; +    recArray = JSON.parse(s) 
-  for (var i=0; i<len;i++){ +    var len = recArray.length; 
-    var obj = recArray[i]; +    for (var i = 0; i < len; i++) 
-    layScroll.AddChild( recordLayout(obj) ); +    { 
-  } +      var obj = recArray[i]; 
-  scrollr.ScrollTo(0, layScroll.GetHeight()); +      layScroll.AddChild(recordLayout(obj)); 
-}//loadJSONfile+    } 
 +    scrollr.ScrollTo(0, layScroll.GetHeight()); 
 +  } //loadJSONfile
  
 </code> </code>
sample_code/visitor_log.1415742986.txt.gz · Last modified: 2014/11/12 05:56 (external edit)

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