303 lines
8.0 KiB
Java
303 lines
8.0 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.dataminermanager.client.parametersfield;
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import java.util.ArrayList;
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import java.util.List;
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import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
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import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ListParameter;
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import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
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import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
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import com.google.gwt.editor.client.Editor.Path;
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import com.google.gwt.user.client.ui.Widget;
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import com.sencha.gxt.core.client.ValueProvider;
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import com.sencha.gxt.core.client.util.Margins;
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import com.sencha.gxt.data.shared.ModelKeyProvider;
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import com.sencha.gxt.data.shared.PropertyAccess;
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import com.sencha.gxt.widget.core.client.button.TextButton;
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import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
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import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
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import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
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import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
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import com.sencha.gxt.widget.core.client.container.MarginData;
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import com.sencha.gxt.widget.core.client.container.SimpleContainer;
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import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
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import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
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import com.sencha.gxt.widget.core.client.event.SelectEvent;
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import com.sencha.gxt.widget.core.client.form.TextField;
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/**
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*
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* @author Giancarlo Panichi
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* email: <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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*/
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public class ListStringFld extends AbstractFld {
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private SimpleContainer fieldContainer;
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private HBoxLayoutContainer horiz;
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private SimpleContainer listContainer;
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private VerticalLayoutContainer vp;
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private List<Item> items;
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private ListParameter listParameter;
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/**
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*
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* @param parameter
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*/
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public ListStringFld(Parameter parameter) {
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super(parameter);
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listParameter = (ListParameter) parameter;
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listContainer = new SimpleContainer();
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vp = new VerticalLayoutContainer();
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items = new ArrayList<Item>();
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addField(null);
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listContainer.add(vp, new MarginData(new Margins()));
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fieldContainer = new SimpleContainer();
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horiz = new HBoxLayoutContainer();
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horiz.setPack(BoxLayoutPack.START);
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horiz.setEnableOverflow(false);
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HtmlLayoutContainer descr;
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if (listParameter.getDescription() == null) {
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descr = new HtmlLayoutContainer("<p style='margin-left:5px;'></p>");
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descr.addStyleName("workflow-fieldDescription");
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} else {
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listContainer.setToolTip(listParameter.getDescription());
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descr = new HtmlLayoutContainer("<p style='margin-left:5px;'>"
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+ listParameter.getDescription() + "</p>");
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descr.addStyleName("workflow-fieldDescription");
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}
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horiz.add(listContainer, new BoxLayoutData(new Margins(0)));
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horiz.add(descr, new BoxLayoutData(new Margins(0)));
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fieldContainer.add(horiz);
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fieldContainer.forceLayout();
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}
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public interface ItemStringProperties extends PropertyAccess<ItemString> {
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@Path("id")
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ModelKeyProvider<ItemString> id();
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ValueProvider<ItemString, String> label();
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}
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public class ItemString{
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}
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/*
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private void gridDef(){
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ColumnConfig<Stock, String> nameCol = new ColumnConfig<Stock, String>(props.name(), 50, "Company");
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ColumnConfig<Stock, String> symbolCol = new ColumnConfig<Stock, String>(props.symbol(), 75, "Symbol");
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ColumnConfig<Stock, Double> lastCol = new ColumnConfig<Stock, Double>(props.last(), 75, "Last");
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ColumnConfig<Stock, Double> changeCol = new ColumnConfig<Stock, Double>(props.change(), 75, "Change");
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ColumnConfig<Stock, Date> lastTransCol = new ColumnConfig<Stock, Date>(props.lastTrans(), 100, "Last Updated");
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final NumberFormat number = NumberFormat.getFormat("0.00");
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changeCol.setCell(new AbstractCell<Double>() {
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@Override
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public void render(Context context, Double value, SafeHtmlBuilder sb) {
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String style = "style='color: " + (value < 0 ? "red" : "green") + "'";
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String v = number.format(value);
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sb.appendHtmlConstant("<span " + style + ">" + v + "</span>");
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}
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});
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lastTransCol.setCell(new DateCell(DateTimeFormat.getFormat("MM/dd/yyyy")));
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List<ColumnConfig<Stock, ?>> columns = new ArrayList<ColumnConfig<Stock, ?>>();
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columns.add(nameCol);
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columns.add(symbolCol);
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columns.add(lastCol);
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columns.add(changeCol);
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columns.add(lastTransCol);
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ColumnModel<Stock> cm = new ColumnModel<Stock>(columns);
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ListStore<Stock> store = new ListStore<Stock>(props.key());
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store.addAll(TestData.getStocks());
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final Grid<Stock> grid = new Grid<Stock>(store, cm);
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grid.setAllowTextSelection(true);
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grid.getView().setAutoExpandColumn(nameCol);
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grid.getView().setStripeRows(true);
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grid.getView().setColumnLines(true);
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grid.setBorders(false);
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grid.setColumnReordering(true);
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}
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*/
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private void addField(Item upperItem) {
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ObjectParameter objPar = new ObjectParameter(listParameter.getName(),
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listParameter.getDescription(), listParameter.getType(), null);
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if (upperItem == null) {
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Item item = new Item(objPar, true);
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items.add(item);
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vp.add(item, new VerticalLayoutData(1,-1, new Margins()));
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} else {
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// search the position of the upper item
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int pos = 0;
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for (int i = 0; i < items.size(); i++)
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if (items.get(i) == upperItem) {
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pos = i;
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break;
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}
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upperItem.showCancelButton();
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Item item = new Item(objPar, false);
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items.add(pos + 1, item);
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vp.insert(item, pos + 1);
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}
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}
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/**
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* @param item
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*/
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protected void removeField(Item item) {
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items.remove(item);
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vp.remove(item);
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if (items.size() == 1) {
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items.get(0).hideCancelButton();
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}
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}
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/**
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*
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*/
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@Override
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public String getValue() {
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String separator = listParameter.getSeparator();
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String value = "";
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boolean first = true;
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for (Item item : items) {
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String itemValue = item.getValue();
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if (itemValue != null && !itemValue.contentEquals("")) {
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value += (first ? "" : separator) + itemValue;
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first = false;
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}
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}
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return value;
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}
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/**
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*
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*/
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@Override
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public Widget getWidget() {
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return fieldContainer;
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}
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/**
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*
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*/
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@Override
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public boolean isValid() {
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boolean valid = false;
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for (Item item : items)
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if (item.isValid()) {
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valid = true;
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break;
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}
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return valid;
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}
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private class Item extends HBoxLayoutContainer {
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private TextField field;
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private TextButton addBtn;
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private TextButton removeBtn;
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/**
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* @param objPar
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*/
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public Item(ObjectParameter objectParameter, boolean first) {
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super();
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field = new TextField();
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field.setAllowBlank(false);
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addBtn = new TextButton("");
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addBtn.setIcon(DataMinerManager.resources.add());
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addBtn.addSelectHandler(new SelectEvent.SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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addField(Item.this);
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forceLayout();
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vp.forceLayout();
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fieldContainer.forceLayout();
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}
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});
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removeBtn = new TextButton("");
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removeBtn.setIcon(DataMinerManager.resources.cancel());
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removeBtn.addSelectHandler(new SelectEvent.SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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removeField(Item.this);
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forceLayout();
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vp.forceLayout();
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fieldContainer.forceLayout();
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}
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});
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removeBtn.setVisible(!first);
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setPack(BoxLayoutPack.START);
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setEnableOverflow(false);
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add(field, new BoxLayoutData(new Margins()));
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add(addBtn,new BoxLayoutData(new Margins()));
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add(removeBtn,new BoxLayoutData(new Margins()));
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forceLayout();
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}
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public void showCancelButton() {
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removeBtn.setVisible(true);
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}
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public void hideCancelButton() {
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removeBtn.setVisible(false);
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}
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public String getValue() {
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return field.getCurrentValue();
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}
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public boolean isValid(){
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return field.isValid();
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}
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}
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}
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