extjs - Can i make a to json from datasource? -


i have json file:

[{ "text": "company", "id": "100", "leaf": false, "cls": "folder", "expanded": true, "children": [{     "text": "children level 1 1",     "id": "02",     "leaf": false,     "cls": "folder",     "expanded": false,     "children": [{         "text": "children level 2 1",         "id": "02.02",         "leaf": false,         "cls": "folder",         "children": [{             "text": "children level 3 1",             "id": "02.02.01",             "leaf": true,             "cls": "file"         }, {             "text": "children level 3 2",             "id": "02.02.02",             "leaf": true,             "cls": "file"         }]      }]     }]   }]

in extjs application have 3 comboboxes. want fill first combo "childrens level one". next combo "childrens level two" etc. if select "childrens level 1 1" in first combo want second combo filling "childrens level two" "children level 1 1". in example "children level 2 1". can somehow make query json file?

one approach might load json data , load separate stores. "child" store's model have "parent" property stores id of parent node. then, on beforequery event of dependent combobox filter dependent store selected id in parent combobox. pretty encapsulate logic have n number of nested, related comboboxes.

you flatten json nodes same level, "parentid" values nested nodes. use 1 store, still able filter selected values.


Comments

Post a Comment

Popular posts from this blog

commonjs - How to write a typescript definition file for a node module that exports a function? -

consider, toml node module can use: // toml.d.ts declare module toml { export function parse(value:string):any; } declare module "toml" { export = toml; } then: /// <reference path="../../../../../defs/toml/toml.d.ts"/> import toml = require('toml'); toml.parse(...); however, node module export single function, such 'glob' ( https://github.com/isaacs/node-glob ). the node usage of module be: var glob = require("glob") glob("*.js", {}, callback(err, files) { ... }); you'd naively expect this: // glob.d.ts declare function globs(paths:string, options:any, callback:{(err:any, files:string[]):void; ...but because typescripts 'import' semantics bit strange, seems can use 'import .. = require()' statement alias modules . trying call: /// <reference path="../../../../../defs/glob/glob.d.ts"/> import blog = require('glob'); results in: error ts2072: mod
Read more

openid - Okta: Failed to get authorization code through API call -

i'm integrating okta own idp server using okta's api. i'm implementing authorization code flow following steps below: in own server, use /api/v1/authn endpoint sessiontoken. use sessiontoken obtain authorization calling endpoint: /oauth2/v1/authorize?client_id=" + clientid + "&sessiontoken=" + sessiontoken + "&response_type=code&response_mode=query&scope=openid&redirect_uri=" + redirecturl + "&state=evanyang&nonce=" it's supposed return response status code 302 , location header containing redirect url code value. however, keep getting response status code 200 , without location header, html body saying "you using unsupported browser." , "javascript disabled on browser." according api documentation: http://developer.okta.com/docs/api/resources/oidc.html#authentication-request , sessiontoken parameter sufficient this: an okta one-time sessiontoken. allows api-based
Read more

thorough guide for profiling racket code -

did googling ("racket profiling", "racket measure performance"), didn't find , there no examples in docs. did google "profile" search on htdp - no luck. (profile (f ...)) output isn't obvious other small snippets. ideally want python's python -m cprofile usage examples. when search "python profiling", both duckduckgo , google give top result: 26.4. python profilers . (although scanned quickly, seems more of reference "thorough usage guide" examples. if had else in mind, perhaps please link that?) the equivalent racket documentation be: profile: statistical profiler . a usage example: #lang racket (require profile) (profile-thunk (thunk (function-to-profile arg0 arg1) )) here (thunk e) convenience (lambda () e) . bigger example: #lang racket (module mod racket (provide f) (define (f) (for/list ([i 10000]) i))) (require (prefix-in mod: 'mod)) (define (f) (for ([i 10000
Read more