diff --git a/sites/lowlevelapi/dataaccess.html b/sites/lowlevelapi/dataaccess.html index 1b5a319..3a9d498 100644 --- a/sites/lowlevelapi/dataaccess.html +++ b/sites/lowlevelapi/dataaccess.html @@ -35,7 +35,7 @@
If you need data, that is allready loaded by a component. You can access those data over the component object.
Be aware, that if you modify the content of a dataset, it will change the data in the component, too.
// Wait for component to be ready
window.swac.reactions.addReaction(function (requestors) {
@@ -53,14 +53,18 @@ Access data from component
let set2 = mydatasets[2];
}, "present_example1");
-
-
-
+
+
+
You can access data by useing window.swac.Model.load(). The
object given to Model.load() is a DataRequestor.
It can contain one of the sources configured in configuration
- or global variable name or URL.
// Get the model
let Model = window.swac.Model;
@@ -96,8 +100,8 @@ Load data with DataRequestor
Load data with reference
You can access data by useing window.swac.Model.getFromReference().
- This gives you the opportunity to get data from references found in
- another datasets.
+ This gives you the opportunity to get data from references found in
+ another datasets.
// Get the model
let Model = window.swac.Model;
@@ -131,7 +135,7 @@ Load data with reference
Add data to component (from reference)
You can load data from a reference directly into an component.
- The component is than automatically observer of each dataset the source.
+ The component is than automatically observer of each dataset the source.
@@ -155,14 +159,14 @@ Add data to component (from javascript objects)
}];
req.swac_comp.addData('myCustomSource', datasets);
-
+
Remove data from component
To remove all data from a component, simply use the removeAllData() or removeData(source) methods available on every component.
-
+
let req = document.getElementById('datapresent');
req.swac_comp.removeAllData();
-
+
Watch single sets
You can register own code to watch changes in datasets.
@@ -182,10 +186,10 @@ Watch single sets
// Done. You will be notified on data updates
});
-
+
Watch all sets
You can watch all sets you requested with your own code useing
- model.loadData() or model.getFromReference()
+ model.loadData() or model.getFromReference()
// Simple observer
@@ -215,12 +219,12 @@ Watch all sets
// Handle load error
});
-
+
Useing the getFromReference the array of observers is the last parameter:
let dataPromise = Model.getFromReference(reference,idAttr,attributeDefaults,attributeRenames,reloadInterval,observers);
-
+
Save data
To save datasets, use the Model.save() method. If your dataset
contains an id, the dataset will be updated, else it will be created.
@@ -268,7 +272,7 @@ Update data
// Request data (returns promise)
Model.save(dataCapsule).then().catch();
-
+
Delete data
Deleteing data is is the same way.
@@ -285,27 +289,27 @@ Delete data
// Request data (returns promise)
Model.delete(dataCapsule).then().catch();
-
+
Data creation
to create your own data that is automatic synchronising over differend
components, create a WatchableSource and WatchableSets.
-
+
Create a WatchableSource
A WatchableSource is observeable and auto observed by components,
- that use date of that source.
-
+ that use date of that source.
+
let ws = window.swac.Model.createWatchableSource({fromName: 'sourcename', requestId: 'sourcename?filter=id,es,1'});
-
+
Create a WatchableSet
WatchableSets are observeable and inform the components they are
- used in about changes of data values.
-
+ used in about changes of data values.
+
let set = window.swac.Model.createWatchableSet(dataobject);
-
+