on 05-22-2015 9:15 AM
Hello,
I am using AbstractPortalComponent to display a DropDownListBox using ==> Usage & Type - DropDownListBox.
I have written below event handler and want to know how to get current selection made by user in dropdown list: -
UI element declaration & definition:
DropdownListBox dd_Language = new DropdownListBox("languageDD" + systemForLang);
dd_Language.addItem("EN");
dd_Language.addItem("DE");
dd_Language.addItem("FR");
dd_Language.setOnSelect("onLangSelect");
worksetEntryLayout.addComponent(renderUiX, 2, dd_Language);
Event handler:
public void onLangSelect(Event event)throws PageException{
ListSelectEvent ddListBox = (ListSelectEvent) event;
String compName = ddListBox.getComponentName();
}
How do I get hold of selected entry in dropdown inside onLangSelect method?
Please help.
Thanks & Regards,
Amey
Hi Amey,
Please try with the following modifications in your event handler code -
public void onLangSelect(Event event)throws PageException{
DropdownListBox lang_list = (DropdownListBox)this.getComponentByName("dd_Language");
String val = lang_list.getSelection();
}
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Hello Saar,
Actually, methods getComponentByName or getComponent are not getting resolved in my AbstractPortalComponent! 😞
package com.amey;
import com.sap.tc.logging.Category;
import com.sap.tc.logging.Location;
import com.sap.tc.logging.Severity;
import com.sap.tc.logging.SimpleLogger;
import com.sapportals.htmlb.DropdownListBox;
import com.sapportals.htmlb.Form;
import com.sapportals.htmlb.rendering.IPageContext;
import com.sapportals.htmlb.rendering.PageContextFactory;
import com.sapportals.portal.prt.component.AbstractPortalComponent;
import com.sapportals.portal.prt.component.IPortalComponentInitContext;
import com.sapportals.portal.prt.component.IPortalComponentRequest;
import com.sapportals.portal.prt.component.IPortalComponentResponse;
import com.sapportals.portal.prt.component.PortalComponentException;
import com.sapportals.portal.prt.pom.IEvent;
public class TrialDropDownListBox extends AbstractPortalComponent
{
private static final Location loc = Location.getLocation(TrialDropDownListBox.class);
private static final Category cat = Category.getCategory(Category.APPS_COMMON, TrialDropDownListBox.class.getName());
public void doContent(IPortalComponentRequest request, IPortalComponentResponse response)
{
SimpleLogger.log(Severity.INFO, cat, loc, "Debug", "[TrialDropDownListBox]doContent called");
IPageContext myContext = PageContextFactory.createPageContext(request,response);
Form myForm = myContext.createFormDocument("ameyForm");
myContext.getDocument().addComponent(myForm);
DropdownListBox dd_Language = new DropdownListBox("languageDD");
dd_Language.addItem("EN", "ENGLISH");
dd_Language.addItem("DE", "GERMAN");
dd_Language.addItem("FR", "FRENCH");
dd_Language.setOnSelect("LangSelect");
myForm.addComponent(dd_Language);
myContext.render();
}
}
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