HTMLB RadioButton
Hi
I am using a HTMLB radioButton in a JSPDynpage.
I have a radiobutton group consisting of 2 radio buttons.
I am unable to get the selected value in Javascript.
I am using the following code
(eval(func("radiobuttonId"))).getChecked();
I get an error
"Undefined is null or not an object"
Can somebody help out please.
Hi Prakash
I tried your suggestion but it still doesn't work.
I have pasted my JSP code here so that you can have a look.
Towards the end there is a javascript function openwindow() where I am trying to alert the radio button values.
<%@ taglib uri= "tagLib" prefix="hbj" %>
<%@ page import = "com.sapportals.htmlb.enum.EventTrigger" %>
<% String buttonid = "";%>
<jsp:useBean id="ProductInfoBean" scope="application" class="bean.ProductInfoBean" />
<hbj:content id="myContext" >
<hbj:document>
<hbj:documentHead title="test"></hbj:documentHead>
<hbj:documentBody>
<hbj:form id="myFormId" >
<hbj:gridLayout
id="myGridLayout1"
debugMode="False"
width="40%"
cellSpacing="5"
>
<hbj:gridLayoutCell
rowIndex="1"
columnIndex="1"
width="10%"
horizontalAlignment="LEFT"
>
<hbj:textView
text="Title"
id="txtTitle"
tooltip="Title"
encode="false">
</hbj:textView>
</hbj:gridLayoutCell>
<hbj:gridLayoutCell
rowIndex="1"
columnIndex="2"
width="10%"
horizontalAlignment="LEFT"
>
<hbj:inputField
id="ipTitle"
type="String"
invalid="true"
width="100"
value=""
visible="true"
disabled="false"
required="false"
maxlength="30"
size="50"
design="standard"
jsObjectNeeded="true"
>
<%
ipTitle.setClientEvent(EventTrigger.ON_KEYDOWN,"handle_enter()");
ipTitle.setClientEvent(EventTrigger.ON_CHANGE,"handle_titleChange()");
%>
</hbj:inputField>
</hbj:gridLayoutCell>
<hbj:gridLayoutCell
rowIndex="2"
columnIndex="1"
width="10%"
horizontalAlignment="LEFT"
>
<hbj:textView
text="Promotion"
id="txtPromotion"
tooltip="Promotion"
encode="false">
</hbj:textView>
</hbj:gridLayoutCell>
<hbj:gridLayoutCell
rowIndex="2"
columnIndex="2"
width="10%"
horizontalAlignment="LEFT"
>
<hbj:dropdownListBox
id="ddPromotion"
tooltip="Promotion"
disabled="false"
jsObjectNeeded="true"
>
<hbj:listBoxItem
key=""
value="- Select Promotion -"
/>
<%for(int i=0;i<ProductInfoBean.getPromotions().size();i++){%>
<hbj:listBoxItem
key="<%=(String)(ProductInfoBean.getPromotions().elementAt(i))%>"
value="<%=(String)(ProductInfoBean.getPromotions().elementAt(i))%>"
/>
<%}%>
<%
ddPromotion.setClientEvent(EventTrigger.ON_CHANGE,"handle_promotionChange()");
%>
</hbj:dropdownListBox>
</hbj:gridLayoutCell>
<hbj:gridLayoutCell
rowIndex="3"
columnIndex="1"
width="10%"
horizontalAlignment="LEFT"
>
<hbj:textView
text="Selection #"
id="txtSelection"
tooltip="Selection #"
encode="false">
</hbj:textView>
</hbj:gridLayoutCell>
<hbj:gridLayoutCell
rowIndex="3"
columnIndex="2"
width="10%"
horizontalAlignment="LEFT"
>
<hbj:inputField
id="ipSelection"
type="String"
invalid="true"
width="100"
value=""
visible="true"
disabled="false"
required="false"
maxlength="30"
size="50"
design="standard"
jsObjectNeeded="true"
>
<%
ipSelection.setClientEvent(EventTrigger.ON_KEYDOWN,"handle_enter()");
ipSelection.setClientEvent(EventTrigger.ON_CHANGE,"handle_selectionChange()");
%>
</hbj:inputField>
</hbj:gridLayoutCell>
</hbj:gridLayout>
<hbj:radioButtonGroup
id="rbgTypeSelect"
columnCount="2"
selection="rb_artwork"
>
<hbj:radioButton
id="rbArtwork"
text="Artwork"
key="rb_artwork"
tooltip="Extranet"
disabled="false"
jsObjectNeeded="true"
>
</hbj:radioButton>
<hbj:radioButton
id="rbProductDetails"
text="ProductDetails"
key="rb_productDetails"
tooltip="OVLC"
disabled="false"
jsObjectNeeded="true"
/>
</hbj:radioButtonGroup>
<hbj:button
id="searchButton"
text="Search"
tooltip="Please click to search"
disabled="false"
onClientClick = "openWindow()"
jsObjectNeeded="true"
>
</hbj:button>
</hbj:group>
</hbj:form>
</hbj:documentBody>
</hbj:document>
<script language="javascript">
function clearSearchCriteria(){
var funcName = htmlb_formid+"_getHtmlbElementId";
func = window[funcName];
(eval(func("ipTitle"))).setValue("");
(eval(func("ipSelection"))).setValue("");
(eval(func("ddPromotion"))).setValue("");
function handle_enter(){
var src= window.event.srcElement;
k = window.event.keyCode;
if (k == 13) {
// enter key pressed
openWindow();
function handle_titleChange(){
var funcName = htmlb_formid+"_getHtmlbElementId";
func = window[funcName];
var title = (eval(func("ipTitle"))).getValue();
if(title != "")
(eval(func("ipSelection"))).setDisabled(true);
(eval(func("ddPromotion"))).setDisabled(true);
else
(eval(func("ipSelection"))).setDisabled(false);
(eval(func("ddPromotion"))).setEnabled(true);
function handle_selectionChange(){
var funcName = htmlb_formid+"_getHtmlbElementId";
func = window[funcName];
var selection = (eval(func("ipSelection"))).getValue();
if(selection !="")
(eval(func("ipTitle"))).setDisabled(true);
(eval(func("ddPromotion"))).setDisabled(true);
else
(eval(func("ipTitle"))).setDisabled(false);
(eval(func("ddPromotion"))).setEnabled(true);
function handle_promotionChange(){
var funcName = htmlb_formid+"_getHtmlbElementId";
func = window[funcName];
var promotion = (eval(func("ddPromotion"))).getValue();
if (promotion!=""){
(eval(func("ipTitle"))).setDisabled(true);
(eval(func("ipSelection"))).setDisabled(true);
else
(eval(func("ipTitle"))).setDisabled(false);
(eval(func("ipSelection"))).setDisabled(false);
function openWindow(){
var funcName = htmlb_formid+"_getHtmlbElementId";
func = window[funcName];
var title = (eval(func("ipTitle"))).getValue();
var selection = (eval(func("ipSelection"))).getValue();
var promotion = (eval(func("ddPromotion"))).getValue();
// var selType = (eval(func("rbProductDetails"))).getChecked();
var rb = eval(func(htmlb_radiobuttonmodifier+"rbArtwork")).getChecked();
var rb2 = eval(func(htmlb_radiobuttonmodifier+"rbProductDetails")).getValue();
alert("rb cheked " + rb);
alert("rb2 value " + rb2);
</script>
</hbj:content>
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Edited by: sona p on Jan 14, 2010 9:19 PMHi,
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<b>* Reward each useful answer</b> -
I want to click on text of radioButton....
I inserted a htmlb:readioButtonGroup into my Application.
I noticed that the radioButton can only be activated by clicking on the button itself, not by clicking on the text. Is there any way to enable this?
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key = "<%= lv_key %>"
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tooltip = "bla" />
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<htmlb:radioButtonGroup id = "RBG2"
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Regards
Raja
Message was edited by: Durairaj Athavan Raja -
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Maybe because this accessing method is not right to do
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Hello,
I'm doing controller extension for create account button in Customer UI.
Issue: I'm not able to trap the table action to add extra validation logic.
I tried to use pageContext.getParameters("CreateButton") but it didn't work i.e. debug message was not printed written inside if statement.
Button Structure:
TableAction
Flowlayout
Submit button.
Code:
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OAWebBean webBean) {
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OAFlowLayoutBean oaflowlaybean =
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// super.initParametersPFR(pageContext,webBean);
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Please suggest the how to overcome with above mention issue.Hi Kiranmai,
You can capture the event of the radio button in the following way in oninputprocessing.
DATA: event TYPE REF TO if_htmlb_data,
radioButton_event TYPE REF TO CL_HTMLB_EVENT_RADIOBUTTON.
event = cl_htmlb_manager=>get_event( request ).
IF event IS NOT INITIAL AND event->event_name = htmlb_events=>radiobutton.
radioButton_event ?= event.
ENDIF.
you can get the attributes of clicked radio button in
event->event_class
event->event_id.
event->event_name
event->event_type
event->event_server_name
In layout define the radio button as
<htmlb:radioButtonGroup id = "test_id">
<htmlb:radioButton id = "id_red" text = "Red" onClick="myClick" />
<htmlb:radioButton id = "id_blue" text = "Blue" onClientClick="alert('blue clicked')"/>
<htmlb:radioButton id = "id_green" text = "Green" onClick="myClick" onClientClick="alert('green clicked')"/>
</htmlb:radioButtonGroup>
Hope this will solve your problem.
Donot forget to assign points for helpful answers.
Regards
Aashish Garg -
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Rgds,
BerniceHere's another suggestion for you.
BSP Application: SBSPEXT_HTMLB
Check out the radionbuttongroup.bsp
So then instead of using a standard HTML radio buttons you can use the HTMLB element with the parameter for onClick set then in your DO_HANDLE_EVENT you can read the value.
VIEW
<htmlb:radioButtonGroup id="radio">
<htmlb:radioButton id="id_link"
text="Link"
onClick="myClickHandler"/>
<htmlb:radioButton id="id_unlink"
text="Unlink"
onClick="myClickHandler"/>
</htmlb:radioButtonGroup>
DO_HANDLE_EVENT
DATA: lt_event TYPE REF TO if_htmlb_data.
lt_event = cl_htmlb_manager=>get_event_ex( request ).
if lt_event IS NOT INITIAL.
if lt_event->event_name = htmlb_events=>radiobutton.
case lt_event->event_id.
when 'control_id_link'.
schalter = ' '..
when 'control_id_unlink'.
schalter = '1'.
endcase.
endif.
endif.
There is an example of how to use it and read it in the DO_HANDLE_EVENT you then just have to pass the variable around (in this example the variable name is schalter and is defined as char1 in the class) -
Issue while printing the BSP page haveing radio buttons.
Hi Experts,
I have a BSP page which has radio buttons. When i try to print the page using browser print, the radio buttons are not getting printed.
Could someone help me regarding this.
Thanks & Regards,
Karthik MDwhen you use radiobutton in BSP (<htmlb:radioButton) they are rendered as images. so to get it printed , in your browser (IE) go to tools->internet options->advanced->printing and check the check box against "print background colors and images".
now try printing it should be fine. -
Hi Jain,
Data binding enables data transfer between views and models, so that we don't have to add or change controller coding to work with models.
Syntax for DataBinding:
For <htmlb:InputField>
<htmlb:InputField value="//query/a"/>
This example code creates an inputfield that takes its initial value from the a attribute of query model.
here query is the instance for model we can define in conroller Do init method.
For ex if you want to add two numbers by using model data binding.
Create method add in model which has three attributes value1,value2, and result.We have to define these attributes in model.Result is to print the added vaue.
Then we have to add these values to the model in the view by using above syntax:
<htmlb:InputField value="//query/value1"/>
<htmlb:InputField value="//query/value2"/>
<htmlb:InputField value="//query/result"/>
here query is instance for the model.
Here you have to remeber one point that no need to define these attributes(value1,value2,result) in the view again but you have define model instance in the attributes of view.
Try using this concept..........
Reward points if useful.Hi Anubhav,
Model Data Binding in business server pages ensure that data which is entered by the user in
the user interface(view) automatically passes to the model attributes and also output from the
backend system automatically passes to the result view.
So we need n't handle the data which is going to backend or the data which is coming from
backend system.
Data binding takes care of all the data handling .so we need n't write code to handle the data.
All i can say is data binding means binding the UI elements with the model class attributes.
If data binding is not available in BSP, we would have written lot of code in controller class
of business server pages.
I am giving simple example here to make you understand.
The initial view in this application contains 2 input fields, 4 radio buttons and 1 button.
Here radio buttons named Add, Multiple , Subtract and Divide.
The functionality i this application is whenever user enters numbers in input fields and select on
radio button and click on button , the result has to be displayed in the result view.
Initial View:
<htmlb:content design="design2003">
<htmlb:page title = " ">
<htmlb:form>
<htmlb:textView text = "value1"
design = "EMPHASIZED" />
<htmlb:inputField id = "f1" value = "//model/v1" />
<htmlb:textView text = "value2"
design = "EMPHASIZED" />
<htmlb:inputField id = "f2" value = "//model/v2" />
<htmlb:radioButtonGroup id="rbg" selection="//model/s" >
<htmlb:radioButton id="id_add" text="add"/>
<htmlb:radioButton id="id_sub" text="sub"/>
<htmlb:radioButton id="id_mul" text="mul"/>
<htmlb:radioButton id="id_div" text="div"/>
</htmlb:radioButtonGroup>
</htmlb:form>
This code in the above view shows the data binding;
<htmlb:inputField id = "f1" value = "//model/v1" /> and
<htmlb:inputField id = "f2" value = "//model/v2" /> and
<htmlb:radioButtonGroup id="rbg" selection="//model/s" >
Here v1,v2 and s are model class attributes . model is reference variable of model class .model is declared
as page attribute in BSP.
As i said above automatically the values of inputfields are passes to the model class without writing the code.
Code in model class method:
METHOD toall.
IF s = 'id_add' .
v3 = v1 + v2.
ELSEIF s = 'id_sub'.
v3 = v1 - v2.
ELSEIF s = 'id_mul'.
v3 = v1 * v2.
ELSE.
v3 = v1 / v2.
ENDIF.
ENDMETHOD.
</htmlb:page>
</htmlb:content>
Result View:
<htmlb:content design="design2003">
<htmlb:page title = " ">
<htmlb:form>
<htmlb:textView text = "output"
design = "EMPHASIZED" />
<htmlb:textView text = "//model/v3"
design = "EMPHASIZED" />
</htmlb:form>
</htmlb:page>
</htmlb:content>
Here the result is available v3 attribute of model class and it is binded to the text view of the result view.
Finally the result is displayed in result view.In the above example i didn't explain about controller class
I hope you know about controller class.
Hope it helps.
Reward points,if found useful.
Thanks,
Narendra.M
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