Some Tips بعض الاكواد المساعده

بتاريخ: 13 يناير 201313 سنة

بعض الاكواد التى نحتاجها

how to set a background image to a component
لو عاوز تعمل صورة كخلفية ل pannelgroub layout مثلا و الصورة اللى انت عاوز تعملها خلفية اسمها مثلا globe.png و موجودة فى الفولدر images . بس ضيف التالي فى ال inline style او فى ال background image property الموجودة داخل style

background-image:url(#{facesContext.externalContext.requestContextPath}/images/globe.png);

Getting the binding container

BindingContainer bindings = BindingContext.getCurrent().getCurrentBindingsEntry();

Getting ADF attribute value from an ADF page definition

[indent]AttributeBinding attr = (AttributeBinding)bindings.getControlBinding("test");
attr.setInputValue("test");[/indent]

[font=Arial, Tahoma, Helvetica, FreeSans, sans-serif][size=3]  [/size][/font]

Executing a MethodAction

[indent]OperationBinding method = bindings.getOperationBinding("methodAction1");
method.execute();
List errors = method.getErrors();
method = bindings.getOperationBinding("methodAction2");
Map paramsMap = method.getParamsMap();
paramsMap.put("param","value") ; 
method.execute(); [/indent]

[font=Arial, Tahoma, Helvetica, FreeSans, sans-serif][size=3]  [/size][/font]

Getting the errors of an iterator

String error = iterBind.getError().getMessage();

Refresh an iterator

bindings.refreshControl();
iterBind.executeQuery();
iterBind.refresh(DCIteratorBinding.RANGESIZE_UNLIMITED);

All the rows of an iterator

[indent]Row[] rows = iterBind.getAllRowsInRange();
TestData dataRow = null;
for (Row row : rows) {
dataRow = (TestData)((DCDataRow)row).getDataProvider();
}[/indent]

[font=Arial, Tahoma, Helvetica, FreeSans, sans-serif][size=3]  [/size][/font]

Adding Action and Action Listener to a command component


[indent]RichCommandMenuItem menuPage1 = new RichCommandMenuItem();
menuPage1.setId("page1");
menuPage1.setText("Page 1");
menuPage1.setActionExpression(getMethodExpression("page1"));
RichCommandButton button = new RichCommandButton();
button.setValueExpression("disabled",getValueExpression("#{!bindings."+item+".enabled}"));
button.setId(item);
button.setText(item);
MethodExpression me = getMethodExpression("#{bindings."+item+".execute}");
button.addActionListener(new MethodExpressionActionListener(me));
footer.getChildren().add(button);[/indent]

Adding Groovy expression to a component's attribute


[indent]RichInputText input = new RichInputText();
input.setValueExpression("value",getValueExpression("#{bindings."+item+".inputValue}"));
input.setValueExpression("label",getValueExpression("#{bindings."+item+".hints.label}"));
input.setId(item);
panelForm.getChildren().add(input);[/indent]

Redirect to an other url


[indent]ExternalContext ectx = FacesContext.getCurrentInstance().getExternalContext();
HttpServletResponse response = (HttpServletResponse)ectx.getResponse();
String url = ectx.getRequestContextPath()+"/adfAuthentication?logout=true&end_url=/faces/start.jspx";
try {
response.sendRedirect(url);
} catch (Exception ex) {
ex.printStackTrace();
}[/indent]

Getting an application module


[indent]private OEServiceImpl getAm(){
FacesContext fc = FacesContext.getCurrentInstance();
Application app = fc.getApplication();
ExpressionFactory elFactory = app.getExpressionFactory();
ELContext elContext = fc.getELContext();
ValueExpression valueExp =
elFactory.createValueExpression(elContext, "#{data.OEServiceDataControl.dataProvider}",
Object.class);
return (OEServiceImpl)valueExp.getValue(elContext);
}  [/indent]

Change the locale


[indent]Locale newLocale = new Locale(this.language);
FacesContext context = FacesContext.getCurrentInstance();
context.getViewRoot().setLocale(newLocale);[/indent]

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