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Tuesday, 25 August 2015

Facebook, Twitter, Google - Create large share buttons using JavaScript

This post is not like my other posts (ADF & Java), It is about creating custom large share buttons for Facebook, Twitter and Google+
Actually this share functionality of social networking sites (Facebook, Twitter, Google+ etc) works on a particular url pattern

Let's take example of Facebook , to share any url on Facebook just pass that url as a parameter in this url
http://www.facebook.com/share.php?u=url
See when i open this url on browser (I have passed www.awasthiashish.com in url parameter)
http://www.facebook.com/share.php?u=www.awasthiashish.com , it shows standard Facebook share page

Thursday, 20 August 2015

Set EL expression in value (properties) of programmatically created ADF Faces component


When we are working with ADF Faces components programmatically then we  create , set styles,set value of that component from managed bean
This post is about setting an expression as component value that will be resolved at run time and return desired value

Monday, 17 August 2015

Showing HashMap values in af:table using af:iterator

Previously i have posted about populating af:table programmatically using List Data Structure
Populate af:table programmatically from managead bean using POJO

This post covers same topic but this time requirement is different , we have a HashMap in managed bean and requirement is to show it's values on page in a table view
See Managed Bean code-


    //HashMap and it's accessors
    private HashMap<String, String> valMap = new HashMap<String, String>();

    public void setValMap(HashMap valMap) {
        this.valMap = valMap;
    }

    public HashMap getValMap() {
        return valMap;
    }
    // Object array to store key values of HashMap
    public Object[] getKeySet() {
        return getValMap().keySet().toArray();
    }


Added two inputText on page and a button to add new key and value to HashMap,




<af:panelFormLayout id="pfl1">
                    <af:inputText label="Key" id="it1" contentStyle="width:100px;"
                                  binding="#{viewScope.ShowHashMapAsTable.keyTextBind}"/>
                    <af:inputText label="Value" id="it2" contentStyle="width:100px;"
                                  binding="#{viewScope.ShowHashMapAsTable.valueTextBind}"/>
                    <af:button text="Add" id="b1" actionListener="#{viewScope.ShowHashMapAsTable.addValuesToMap}"/>
                </af:panelFormLayout>


Now code on button that get value of both inputText using component binding and add it to HashMap, at run time this form will be used to add new values to HashMap and table


    //Component Binding of inputText to get values
    private RichInputText keyTextBind;
    private RichInputText valueTextBind;

    public void setKeyTextBind(RichInputText keyTextBind) {
        this.keyTextBind = keyTextBind;
    }

    public RichInputText getKeyTextBind() {
        return keyTextBind;
    }

    public void setValueTextBind(RichInputText valueTextBind) {
        this.valueTextBind = valueTextBind;
    }

    public RichInputText getValueTextBind() {
        return valueTextBind;
    }

    /**Add new value to HashMap
     * @param actionEvent
     */
    public void addValuesToMap(ActionEvent actionEvent) {
        if (keyTextBind.getValue() != null && valueTextBind.getValue() != null) {
            valMap.put(keyTextBind.getValue().toString(), valueTextBind.getValue().toString());

        }
    }


Now Bean Part is done , see how to configure af:table to show HashMap values, table is mapped to array of keySet and an iterator is used inside table that derives value using key attribute -
#{cVal[row]}


<af:table var="row" rowBandingInterval="0" id="t1" value="#{viewScope.ShowHashMapAsTable.keySet}"
                              partialTriggers="::b1">
                        <af:iterator id="i1" value="#{viewScope.ShowHashMapAsTable.valMap}" var="cVal">
                            <af:column sortable="false" headerText="Key" id="c2">
                                <af:outputText value="#{row}" id="ot4" inlineStyle="font-weight:bold;color:darkblue;"/>
                            </af:column>
                            <af:column sortable="false" headerText="Value" id="c1">
                                <af:outputText value="#{cVal[row]}" id="ot3"/>
                            </af:column>
                        </af:iterator>
                    </af:table>


Now all done , run and check the application
 Add New Value (1)
  Add New Value (2)

Sample Application- Download (Jdev 12.1.3)
Cheers :) Happy Learning