How to retrieve JSON Data Array from ExtJS Store

Question

Is there a method allowing me to return my stored data in an ExtJS Grid Panel exactly the way I loaded it using   var data     value1    value2   Store loadData data     I would like to have a user option to reload the Grid  but changes to the store need to be taken into account  The user can make changes and the grid is dynamically updated  but if I reload the grid  the data that was originally loaded is shown even though the database has been updated with the new changes  I would prefer not to reload the page and just let them reload the grid data itself with the newly changed store   I guess I m looking for something like this   var data   Store getData      data     value1    value2     after its all said and done  Or is there a different way to refresh the grid with new data that I am not aware of  Even using the proxy still uses the  original  data  not the new store

User · Answer

proxy            type   ajax           actionMethods                read   POST               update   POST                     api                read    bcm rest gcl fetch               update    bcm rest gcl save                     paramsAsJson  true          reader                rootProperty   data               type   json                     writer                allowSingle  false              writeAllFields  true              type   json                    Use allowSingle it will convert into array

User · Answer

Store getRange   seems to be exactly what you are searching for  It will return you Ext data Record   - array of records  If no arguments is passed  all the records are returned

User · Answer

In my case I wanted a javascript jagged array e g     row1Cell1    row1cell2     row2Cell1    row2cell2    based on the contents of the Ext grid store   The javascript as below will create such an array  dropping the id key in the object which I didn t need   var tableDataArray       Ext ComponentQuery query   name  table1     0  store each function record       var thisRecordArray           for  var key in record data            if  key     id                 thisRecordArray push record data key                        tableDataArray push thisRecordArray

User · Answer

Try this   myStore each  function  model        console log  model get  name

User · Answer

Here is another simple clean way   var jsonArr       grid getStore   each  function  model        jsonArr push model data

User · Answer

function getJsonOfStore store           var datar   new Array            var jsonDataEncode               var records   store getRange            for  var i   0  i  lt  records length  i                  datar push records i  data                     jsonDataEncode   Ext util JSON encode datar            return jsonDataEncode

User · Answer

You don t need to make any loops and collect reprocess data  The json object you need is here   var jsonData   store proxy reader jsonData

User · Answer

A simple way to do this is  var jsonArray   store data items   So if your JSON store is     text    ABC      text    DEF     text    GHI     text    JKL      Then you can retreive  DEF  as  jsonArray 1  data text   In the following code  I noticed that it converts each and every character into an array item   var jsonData   Ext encode Ext pluck store data items   data

User · Answer

A one-line approach   var jsonData   Ext encode Ext pluck store data items   data      Not very pretty  but quite short

User · Answer

As suggested above I tried below one with fail   store proxy reader jsonData   But below one worked for me  store proxy reader rawData

User · Answer

I run into my share of trouble trying to access data from store without binding it to a component  and most of it was because store was loaded trough ajax  so it took to use the load event in order to read the data  This worked   store load    store on  load   function store  records        for  var i   0  i  lt  records length  i          console log records i  get  name

User · Answer

Try this one line code it worked for me like charm   var data    store getData   getSource      store getData    getRange

User · Answer

A better  IMO  one-line approach  works on ExtJS 4  not sure about 3   store proxy reader jsonData

User · Answer

I always use store proxy reader jsonData or store proxy reader rawData  For example - this return the items nested into a root node called  data    var some store   Ext data StoreManager lookup  some store id    Ext each some store proxy reader rawData data  function obj  i      console info obj         This only works immediately after a store read-operation  while not been manipulated yet

User · Answer

If you want to get the data exactly like what you get by Writer  for example ignoring fields with persist false config   use the following code  Note  I tested it in Ext 5 1     var arr               this store each function  record            arr push this store getProxy   getWriter   getRecordData record

[extjs] How to retrieve JSON Data Array from ExtJS Store

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