I've created a model with following structure:
Model Code:
Ext.define('MyApp.model.FavoriteScreen', {
extend: 'Ext.data.Model',
config: {
fields: [
{
name: 'Name'
},
{
name: 'ScreenId'
}
]
}
});
And I've created a store with following structure:
Store code:
Ext.define('MyApp.store.FavoriteStore', {
extend: 'Ext.data.Store',
requires: [
'MyApp.model.FavoriteScreen'
],
config: {
autoLoad: true,
model: 'MyApp.model.FavoriteScreen',
storeId: 'FavStore',
proxy: {
type: 'ajax',
api: {
read: '/api/sample/FavoriteList'
},
headers: {
'Content-Type': 'application/json; charset=UTF-8'
},
reader: {
type: 'json',
rootProperty: 'data'
}
}
}
});
Now I want to get particular record from this store but my store does not return any value. To get value from store I've written following line of code:
var myStore = Ext.getStore('FavStore');
myStore.load({
scope: this,
callback: function (records, operation, success) {
if (success) {
Ext.Msg.alert(myStore.getAt(0).getData());
}
}
});
The above code I've written on The above code I’ve written on nestedlistleafitemtap event.
Any help is appreciated!!
First of all - don't use getData() - use get('name') for example.
Second - try to add logging before your loading call and inside your callback function. This way you can see whether you started loading and was it completed.
Related
According to the docs, I should be able to define functions on a Model, and then call the function on instances of that model.
At least in the case where I load the model from a proxy, its not working.
My model:
Ext.define('MyApp.model.Detail', {
extend: 'Ext.data.Model',
fields: [
'someField',
'anotherField',
],
someFunction: function() {
//do something
},
proxy: {
type: 'ajax',
url: 'http://example.com/details',
reader: {
type: 'json',
root: 'data',
totalProperty: 'total',
successProperty: 'success',
}
},
});
Store:
Ext.define('MyApp.store.DetailStore', {
extend: 'Ext.data.Store',
storeId: 'detailStore',
model: 'MyApp.model.Detail',
});
Controller:
Ext.define('MyApp.controller.appController', {
extend: 'Ext.app.Controller',
init: function() {
this.getDetailStoreStore().addListener('load', this.newDetails, this);
},
stores: ['DetailStore'],
models: ['Detail'],
views : ['DetailView], //exists, not copied into question
newDetails: function(store, records) {
var details = records[0].data;
details.someFunction(); // Uncaught TypeError: Object #<Object> has no method 'someFunction'
}
});
The error happens in the newDetails function, when calling data.someFunction().
Do I have the wrong expectation?
The function exists on the model, so you would call:
records[0].someFunction();
How to add a data to a json store if my data is coming from a back end AJAX call.
my store is as follows .
Ext.define('MyApp.store.GeographyMasterStore', { extend: 'Ext.data.Store',
requires: [
'MyApp.model.GeographyMasterModel'
],
config: {
model: 'MyApp.model.GeographyMasterModel',
storeId: 'geographyMasterStore',
proxy: {
type: 'ajax',
reader: {
type: 'json'
}
}
}
});
And my model is as follows:
Ext.define('MyApp.model.GeographyMasterModel', {
extend: 'Ext.data.Model',
config: {
fields: [
{
name: 'Code'
},
{
name: 'Description'
},
{
name: 'Level_Code',
mapping: 'Level Code'
},
{
name: 'Name'
}
]
}
});
If I add the data like this
var geographyMasterStore = Ext.getStore('geographyMasterStore');
geographyMasterStore.add(<data from backend AJAX call>);
it does not show me the mapped field i.e. Level_Code
Usually I when add a record to the store like this :
Ext.create('App.model.MyModel', JSON.parse(response.responseText);
Where response is the response from an Ext.Ajax.request
Hope this helps
You need create a model:
var record = Ext.create('model.GeographyMasterModel', Ext.JSON.decode(response.responseText));
save the model:
record.save()
reload the store:
geographyMasterStore.load()
I'm developing an app in Sencha Touch 2.0 that is supposed to parse JSON through a web service that resides on a different domain.
I'm stuck parsing JSON. If I use nodes with names like title, author description link etc then it works perfectly.
But if I use other names for nodes then it does not display anything.
Here is the JSON response I'm trying to parse:
http://stassuet.byethost15.com/services/test/index.php
This is what I'm doing to parse the response in Sencha app:
Ext.define('GS.store.MyStore', {
extend: 'Ext.data.Store',
requires: [
'GS.model.MainEvent',
'Ext.data.proxy.JsonP',
'Ext.data.proxy.Rest'
//'GS.util.JsonpX'
],
config: {
autoLoad: true,
model: 'GS.model.MainEvent',
storeId: '55',
headers: {
"Accept": "text/xml"
//"access-control-allow-origin": "*",
//"Origin": "goodnews.pk",
//"Referer": "goodnews.pk"
},
method: 'GET',
callbackKey: 'myFunction',
proxy: {
type: 'jsonp',
url: 'http://stassuet.byethost15.com/services/test/index.php',
reader: {
type: 'json',
rootProperty: 'albums.images'
}
}
}
});
Where am I going wrong?
You seem to have a lot of configurations set even though you don't need them. For example:
headers
method
callbackKey
Is there a reason for this?
Anyway, using this class, everything loads as it should:
Ext.define('Example.store.SO', {
extend: 'Ext.data.Store',
config: {
autoLoad: true,
fields: [
'name',
'author',
'last_modified'
],
proxy: {
type: 'jsonp',
url: 'http://stassuet.byethost15.com/services/test/index.php',
reader: {
rootProperty: 'albums.images'
}
}
}
});
I have a global variable which needs to be initialized when the store is loaded and needs to use that value in another store as follows
var cp = 0;
Ext.onReady(function() {
Ext.define('Init', {
singleton: true,
cp: 0
});
Ext.define('loggedUserList', {
extend: 'Ext.data.Model',
fields: [
'id',
'name'
]
});
loggedUser = Ext.create('Ext.data.Store', {
model: 'loggedUserList',
autoLoad: true,
proxy: {
type: 'ajax',
url: url+'/lochweb/loch/users/getLoggedUser',
reader: {
type: 'json',
root: 'provider'
},
listeners: {
load: function(loggedUser) {
Init.cp = loggedUser.getAt(0).data.id;
}
}
});
});
I am using the value of cp in another url as follows: url: url + '/lochweb/loch/vocabulary/getVocabularyByProvider?providerId=' + Init.cp,
Ext.define('vocbList', {
extend: 'Ext.data.Model',
fields: [
{
name: 'id',
mapping: 'id'
},
{
name: 'code',
mapping: 'code'
}
]
});
var vocabulary = Ext.create('Ext.data.Store', {
model: 'vocbList',
autoLoad: true,
proxy: {
type: 'ajax',
url: url+'/lochweb/loch/vocabulary/getVocabularyByProvider?providerId='+Init.cp,
reader: {
type: 'json',
root: 'Vocabulary'
}
}
});
but its value is still 0. I tried using(cp, Init.cp). How to assign its value form store so that it can be reused?
Thanks
Store loads data asynchronously, so you can't be sure that Init.cp will be initialized with a new value before the other store is been loaded.
Try with this:
var cp=0;
Ext.onReady(function(){
Ext.define('Init', {
singleton: true,
cp: 0
});
Ext.define('vocbList', {
extend: 'Ext.data.Model',
fields: [
{ name: 'id', mapping: 'id' },
{ name: 'code', mapping: 'code' }
]
});
var vocabulary = Ext.create('Ext.data.Store', {
model: 'vocbList',
proxy: {
type: 'ajax',
reader: {
type: 'json',
root: 'Vocabulary'
}
}
Ext.define('loggedUserList', {
extend: 'Ext.data.Model',
fields: ['id','name']
});
loggedUser = Ext.create('Ext.data.Store', {
model: 'loggedUserList',
autoLoad: true,
proxy: {
type: 'ajax',
url : url+'/lochweb/loch/users/getLoggedUser',
reader: {
type: 'json',
root: 'provider'
}
},
listeners: {
load:function(loggedUser){
Init.cp = loggedUser.getAt(0).data.id;
vocabulary.getProxy().url = url+'/lochweb/loch/vocabulary/getVocabularyByProvider?providerId='+Init.cp;
vocabulary.load();
}
}
});
});
As you can see, you have to set the url of the vocabulary proxy dynamically when the first store is just loaded and then load the store.
Cyaz
Here you declare loggedUser = Ext.create('Ext.data.Store', {
model: 'loggedUserList',
autoLoad: true,...} with Init.cp is assigned with some data in load(). But you cannot confirm that Init.cp has actually had value at the time you declare variable vocabulary (i.e. maybe loggedUser has not yet fully been loaded). So it still be 0 in the url.
To confirm, you should move codes of vocbList and vocabulary into a function:
function vocabularyLoad() {
Ext.define('vocbList', {...});
var vocabulary = ...
}
and use the function this way in loggedUser:
loggedUser = Ext.create('Ext.data.Store', {
...
listeners: {
load:function(loggedUser){
Init.cp = loggedUser.getAt(0).data.id;
vocabularyLoad();
}
}
});
But actually, this refactoring makes the assignment of Init.cp redundant because you can directly pass the value of loggedUser.getAt(0).data.id into the defined function.
I have defined a model which I want to use twice but with a different url int he proxy (in fact only the id differs) But how can I manage this?
Ext.define('TesterModel', {
extend: 'Ext.data.Model',
autoLoad: false,
fields: [
{ name: 'prename', type: 'string' },
{ name: 'lastname', type: 'string' },
{ name: 'dept', type: 'string' },
{ name: 'rackName', type: 'string' },
{ name: 'rackIP' , vtype:'IPAddress'}],
proxy: {
type: 'ajax',
url: 'php/getData_db.php?id=',
reader: {
type: 'json',
messageProperty: 'message',
root: 'data',
}
},
constructor: function() {
UrlParams=document.URL.split("?");
if(UrlParams.length > 1) {
SingleUrlParams=Ext.Object.fromQueryString(UrlParams[1]);
this.proxy.url = this.proxy.url + SingleUrlParams.right;
console.log(this.proxy.url);
}
return this;
}});
Ext.ModelMgr.getModel('TesterModel').load(0, { // load user with ID of "0"
success: function(tester) {
var rightPanel=Ext.getCmp('rightTester');
rightPanel.loadRecord(tester); // when tester is loaded successfully, load the data into the form
}
});
I thought that the constructor will be done before loading, but nope, it is done after. It's weired to me.
Any hints, please?
(the main URL it's like: .../index.html?left=xx&right=yy )
so I want to fill up a panel on the left with the one id, and a panel on the right window side eith th right id.
Thanks!
Try .getProxy().url = "what/ever.php"