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package eu.dnetlib.client.fundingrequest.newrequest;
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import com.github.gwtbootstrap.client.ui.Button;
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import com.github.gwtbootstrap.client.ui.ButtonGroup;
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import com.github.gwtbootstrap.client.ui.constants.ButtonType;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.dom.client.ClickHandler;
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import com.google.gwt.user.client.ui.FlowPanel;
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import com.google.gwt.user.client.ui.IsWidget;
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import com.google.gwt.user.client.ui.Widget;
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/**
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* Created by stefania on 2/25/15.
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*/
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public class FundingNavigationWidget implements IsWidget {
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private FlowPanel fundingNavigationPanel = new FlowPanel();
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private ButtonGroup backAndNextButtonGroup = new ButtonGroup();
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private Button back = new Button();
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private Button next = new Button();
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private int currentActiveStep = 0;
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private NextButtonListener nextButtonListener;
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private BackButtonListener backButtonListener;
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public FundingNavigationWidget() {
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backAndNextButtonGroup.addStyleName("backAndNextButtons");
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back.setText("Back");
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back.setType(ButtonType.DEFAULT);
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back.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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fireBackEvent();
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}
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});
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if(currentActiveStep==0)
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back.setEnabled(false);
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next.setText("Next");
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next.setType(ButtonType.PRIMARY);
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next.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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fireNextEvent();
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}
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});
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backAndNextButtonGroup.add(back);
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backAndNextButtonGroup.add(next);
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fundingNavigationPanel.add(backAndNextButtonGroup);
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}
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@Override
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public Widget asWidget() {
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return fundingNavigationPanel;
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}
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public void setActiveStep(int stepNumber) {
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currentActiveStep = stepNumber;
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if(currentActiveStep==0)
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back.setEnabled(false);
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else
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back.setEnabled(true);
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}
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public void setNextButtonText(String text) {
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next.setText(text);
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}
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public interface NextButtonListener {
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public void nextClicked(int newActiveStep);
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}
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public void setNextButtonListener(NextButtonListener nextButtonListener) {
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this.nextButtonListener = nextButtonListener;
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}
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public interface BackButtonListener {
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public void backClicked(int newActiveStep);
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}
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public void setBackButtonListener(BackButtonListener backButtonListener) {
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this.backButtonListener = backButtonListener;
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}
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private void fireNextEvent() {
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if(nextButtonListener !=null) {
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nextButtonListener.nextClicked(currentActiveStep+1);
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}
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}
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private void fireBackEvent() {
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if(backButtonListener !=null) {
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backButtonListener.backClicked(currentActiveStep-1);
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}
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}
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}
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