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package eu.dnetlib.client.widgets;
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import com.google.gwt.dom.client.Document;
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import com.google.gwt.dom.client.Element;
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import com.google.gwt.dom.client.InputElement;
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import com.google.gwt.dom.client.NodeList;
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import com.google.gwt.query.client.Function;
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import com.google.gwt.user.client.Event;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.ui.HTML;
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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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import com.sencha.gxt.widget.core.client.info.Info;
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import eu.dnetlib.goldoa.domain.Vocabulary;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import static com.google.gwt.query.client.GQuery.$;
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/**
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* Created by stefania on 9/25/15.
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*/
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public class DropdownCheckbox implements IsWidget {
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private HTML dropdownCheckboxElement = new HTML();
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private String contents;
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private List<Vocabulary> options = new ArrayList<>();
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private Map<String, Vocabulary> optionsMap = new HashMap<>();
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private OptionSelectedListener optionSelectedListener;
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public DropdownCheckbox(List<Vocabulary> options) {
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this.options.addAll(options);
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for(Vocabulary option : options)
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optionsMap.put(option.getId(), option);
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contents = "<div class=\"btn-group\">" +
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"<button id=\"dropdownCheckboxButton\" data-toggle=\"dropdown\" class=\"btn dropdown-toggle\" data-placeholder=\"Please select\">" +
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"None selected <span class=\"caret\"></span></button>" +
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"<ul class=\"dropdown-menu noclose\">";
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for(Vocabulary option : options)
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contents += "<li><input class=\"dropdownCheckbox\" type=\"checkbox\" id=\"" + option.getId() +
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"\"><label for=\"" + option.getId() + "\" name=\"NAME\" value=\"VALUE\">" + option.getName() + "</label></li>";
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contents +="</ul></div>";
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dropdownCheckboxElement.setHTML(contents);
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}
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@Override
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public Widget asWidget() {
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return dropdownCheckboxElement;
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}
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public void addStyleName(String styleName) {
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dropdownCheckboxElement.addStyleName(styleName);
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}
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public void addFunctionality() {
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$(".dropdown-menu > li > input[type=\"checkbox\"] ~ label, .dropdown-menu > li > input[type=\"checkbox\"], .dropdown-menu.noclose > li").
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click(new Function() {
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public boolean f(Event e) {
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fireSelectedEvent();
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e.stopPropagation();
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return true;
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}
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});
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}
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public void fireSelectedEvent() {
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List<String> selectedOptions = getSelectedStatuses();
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if(selectedOptions.isEmpty()) {
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Document.get().getElementById("dropdownCheckboxButton").setInnerHTML("None selected <span class=\"caret\"></span>");
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} else if(selectedOptions.size()==options.size()) {
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Document.get().getElementById("dropdownCheckboxButton").setInnerHTML("All selected (" + selectedOptions.size() + ") <span class=\"caret\"></span>");
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} else if(selectedOptions.size()>3) {
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Document.get().getElementById("dropdownCheckboxButton").setInnerHTML(selectedOptions.size() + " selected <span class=\"caret\"></span>");
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} else {
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String statuses = "";
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for(String selectedOption : selectedOptions)
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statuses += optionsMap.get(selectedOption).getName() + ", ";
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statuses = statuses.substring(0, statuses.length()-2);
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Document.get().getElementById("dropdownCheckboxButton").setInnerHTML(statuses + " <span class=\"caret\"></span>");
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}
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if(optionSelectedListener!=null)
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optionSelectedListener.onSelect();
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}
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public List<String> getSelectedStatuses() {
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List<String> ids = new ArrayList<String>();
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NodeList<Element> checkBoxes = $(".dropdownCheckbox").get();
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for(int i=0; i<checkBoxes.getLength(); i++) {
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InputElement checkBox = (InputElement) checkBoxes.getItem(i);
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if(checkBox.isChecked()) {
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ids.add(checkBox.getId());
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}
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}
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return ids;
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}
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public interface OptionSelectedListener {
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void onSelect();
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}
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public void setOptionSelectedListener(OptionSelectedListener optionSelectedListener) {
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this.optionSelectedListener = optionSelectedListener;
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}
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}
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