I am trying to substitute the text value in the constructor of the busyindicator with a variable rather hardcoding it. But for some reason the app is not able to understand the variable...
function wlCommonInit(){
var locale = "Caricamento";
var busyIndicator = new WL.BusyIndicator('content',{text:locale});
busyIndicator.show();
}
WL.BusyIndicator's text option expect a string, so you may not place a variable.
Instead, use WL.ClientMessages. For example:
var busy;
function wlCommonInit(){
WL.ClientMessages.loading = "טוען...";
busy = new WL.BusyIndicator();
busy.show();
}
Reading material:
Enabling Translation training module, slide #8
Related
I know I can use get a notification when the value of a variable has changed, Code A is OK.
I hope to monitor the change of a normal variable such as var myFilename="OK" in Code B, but myObserv isn't launching when myFilename has changed.
Can I observe the change fo a variable in Kotlin?
Code A
var savedFilename: String by Delegates.observable("") {
prop, old, new -> ...
}
Code B
var myFilename="OK"
var myObserv String by Delegates.observable(myFilename) {
prop, old, new -> ...
}
I am still learning Vue. I know how to remove all spaces from a string using Javascript, such as:
var str = " a b c d e f g ";
var newStr = str.replace(/\s+/g, '');
I can't figure out how to implement this in Vue.
I would like to take a string from my Firestore database, say a field called "title1", with a value of "This is my string" and remove all spaces so it says "Thisismystring". Then I want to be able to use that string in my Vue app in the same way I would use title1... like a variable called title1nospaces.
I'm not sure if I should be using a computed property or a method. Anything I've tried always comes back as "title1nospaces" is not defined on the instance but is referenced during render".
Any help appreciated.
var str = " This is a test ";
var new_str = str.split(' ').join('');
console.log(new_str); // 'Thisisatest'
In your vue app, you should add a mixin and in that mixin you should implement a method that takes an input with spaces and it should return the output as a string without a spaces (or formatted string).
E.g.
let myApp = new Vue({
mixins: [CommonUtils],
});
CommonUtils.js code ( I am using ES6 syntax):
export default {
methods: {
myStringFormattingFun(input) {
// Do your magic and return the formatted string
}
}
}
OR you can just implement the function in your myApp component (main component).
Is there a way to set the context of the expression in Dynamic Expresso library, so that we can do something like the following:
interpreter.Eval("FirstName", new Parameter("person", new { FirstName="Homer", LastName="Simpson"}));
rather than
interpreter.Eval("person.FirstName", new Parameter("person", new { FirstName="Homer", LastName="Simpson"}));
Maybe we could have a another option that would say that the first parameter is to be used as the context for the expression.
I guess there could also be another version of Parse and Eval methods that simply takes the expression text and a simple object value that will serve as the expression context.
Other than that and the lack of support for dynamic types, I am really liking this library. I had worked on something similar, but had not added support for extension methods and generic method calls.
Thanks for the great library,
Neal
There isn't a built-in solution but you can simulate it in many ways:
Option 1: Inject an expression
var workingContext = new { FirstName = "homer" };
var workingContextExpression = Expression.Constant(workingContext);
var firstNameExpression = Expression.Property(workingContextExpression, "FirstName");
var interpreter = new Interpreter();
interpreter.SetExpression("FirstName", firstNameExpression);
Assert.AreEqual(workingContext.FirstName, interpreter.Eval("FirstName"));
Basically I inject an expression using SetExpression method. The injected expression is the property that you want to be available.
Option 2: Use this/me/it variable
You can inject a variable that will contain your working object. I usually call it this (or me or it depending on the application).
var workingContext = new { FirstName = "homer" };
var interpreter = new Interpreter();
interpreter.SetVariable("this", workingContext);
Assert.AreEqual(workingContext.FirstName, interpreter.Eval("this.FirstName"));
Option 3: A combination of the previous solutions
var workingContext = new { FirstName = "homer" };
var interpreter = new Interpreter();
interpreter.SetVariable("this", workingContext);
var firstNameExpression = interpreter.Parse("this.FirstName").LambdaExpression.Body;
interpreter.SetExpression("FirstName", firstNameExpression);
Assert.AreEqual(workingContext.FirstName, interpreter.Eval("FirstName"));
Equal to the first solution but I generate the expression using the parser itself.
Consider that all solutions assume that you must have an Interpreter instance for each context.
Disclaimer: I'm the author of Dynamic Expresso library.
Starting with DynamicExpresso v2.13.0, it's possible to define a variable named "this", that will be used for implicit resolution:
var target = new Interpreter();
target.SetVariable("this", new { FirstName="Homer", LastName="Simpson"});
// 'this' variable is used implicitly
Assert.AreEqual("Homer", target.Eval("FirstName"));
// 'this' variable can also be used explicitly
Assert.AreEqual("Homer", target.Eval("this.FirstName"));
I have a table which gets its data server-side, using custom server-side initialization params which vary depending upon which report is produced. Once the table is generated, the user may open a popup in which they can add multiple additional filters on which to search. I need to be able to use the same initialization params as the original table, and add the new ones using fnServerParams.
I can't figure out how to get the original initialization params using the datatables API. I had thought I could get a reference to the object, get the settings using fnSettings, and pass those settings into a new datatables instance like so:
var oSettings = $('#myTable').dataTable().fnSettings();
// add additional params to the oSettings object
$('#myTable').dataTable(oSettings);
but the variable returned through fnSettings isn't what I need and doesn't work.
At this point, it seems like I'm going to re-architect things so that I can pass the initialization params around as a variable and add params as needed, unless somebody can steer me in the right direction.
EDIT:
Following tduchateau's answer below, I was able to get partway there by using
var oTable= $('#myTable').dataTable(),
oSettings = oTable.fnSettings(),
oParams = oTable.oApi._fnAjaxParameters(oSettings);
oParams.push('name':'my-new-filter', 'value':'my-new-filter-value');
and can confirm that my new serverside params are added on to the existing params.
However, I'm still not quite there.
$('#myTable').dataTable(oSettings);
gives the error:
DataTables warning(table id = 'myTable'): Cannot reinitialise DataTable.
To retrieve the DataTables object for this table, please pass either no arguments
to the dataTable() function, or set bRetrieve to true.
Alternatively, to destroy the old table and create a new one, set bDestroy to true.
Setting
oTable.bRetrieve = true;
doesn't get rid of the error, and setting
oSettings.bRetrieve = true;
causes the table to not execute the ajax call. Setting
oSettings.bDestroy = true;
loses all the custom params, while setting
oTable.bDestroy = true;
returns the above error. And simply calling
oTable.fnDraw();
causes the table to be redrawn with its original settings.
Finally got it to work using fnServerParams. Note that I'm both deleting unneccessary params and adding new ones, using a url var object:
"fnServerParams": function ( aoData ) {
var l = aoData.length;
// remove unneeded server params
for (var i = 0; i < l; ++i) {
// if param name starts with bRegex_, sSearch_, mDataProp_, bSearchable_, or bSortable_, remove it from the array
if (aoData[i].name.search(/bRegex_|sSearch_|mDataProp_|bSearchable_|bSortable_/) !== -1 ){
aoData.splice(i, 1);
// since we've removed an element from the array, we need to decrement both the index and the length vars
--i;
--l;
}
}
// add the url variables to the server array
for (i in oUrlvars) {
aoData.push( { "name": i, "value": oUrlvars[i]} );
}
}
This is normally the right way to retrieve the initialization settings:
var oSettings = oTable.fnSettings();
Why is it not what you need? What's wrong with these params?
If you need to filter data depending on your additional filters, you can complete the array of "AJAX data" sent to the server using this:
var oTable = $('#myTable').dataTable();
var oParams = oTable.oApi._fnAjaxParameters( oTable );
oParams.push({name: "your-additional-param-name", value: your-additional-param-value });
You can see some example usages in the TableTools plugin.
But I'm not sure this is what you need... :-)
I have the following script that is calling a text file:
/* first create a new instance of the LoadVars object */
myVariables = new LoadVars();
myVariables.load("myFile.txt");
myVariables.onLoad = function(getreading):String{
var ODOMETER2:String=myVariables.ACADEMICWATER;
return ODOMETER2;
trace (ODOMETER2);
}
trace(getreading());
The text file contains the following:
ACADEMICWATER=3002&elec=89
I am able to import the value of 3002 into the function and I can trace it. However, I Should be able to trace it outside the function using trace(getreading()); as shown on the last line. This only returns an "UNDEFINED" value. I am stumped.
You are declaring an anonymous function (see AS3 Syntax and language / Functions) which can't be referenced by name. getreading is declared in your code as an untyped parameter of this function.
If you want to trace the result of this function, then you should declare a named function like this:
function getReading(): String {
var ODOMETER2:String=myVariables.ACADEMICWATER;
return ODOMETER2;
}
myVariables.onLoad = getReading;
trace(getReading());
getreading is not the name of the function in this case, but the name of a parameter to the anonymous function that is run on the onLoad event of the myVariables object.
Place the variable ODOMETER2 outside the function and set it's value inside the anonymous function. Then you will be able to access it outside the function as well.
/* first create a new instance of the LoadVars object */
var ODOMETER2:String;
myVariables = new LoadVars();
myVariables.load("myFile.txt");
myVariables.onLoad = function(){
ODOMETER2=myVariables.ACADEMICWATER;
}
trace(ODOMETER2);
LoadVars.onLoad is an event handler. It is called by LoadVars as soon as it finishes with the asynchronous load operation. It takes a boolean argument, indicating success or failure of the operation. It does not return anything.
LoadVars.onLoad documentation
In that function, you typically act upon the data you received, like storing and processing it. Here's a very simple example showing some basic use cases:
var ODOMETER2:String;
var myVariables = new LoadVars();
myVariables.load("myFile.txt");
myVariables.onLoad = function(success) {
trace(success);
ODOMETER2 = myVariables.ACADEMICWATER;
processResults();
}
function processResults() {
trace(ODOMETER2);
trace(myVariables.ACADEMICWATER);
}
// traces:
// true
// 3002
// 3002