250 lines
7.0 KiB
Java
250 lines
7.0 KiB
Java
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/**
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*
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*/
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package org.gcube.portlets.widgets.dataminermanagerwidget.client.parametersfield;
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import org.gcube.data.analysis.dataminermanagercl.shared.parameters.Parameter;
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import org.gcube.data.analysis.dataminermanagercl.shared.parameters.WKTParameter;
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import org.gcube.portlets.widgets.dataminermanagerwidget.client.DataMinerManager;
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import org.gcube.portlets.widgets.dataminermanagerwidget.client.util.UtilsGXT3;
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import org.gcube.portlets.widgets.openlayerbasicwidgets.client.event.SelectAreaDialogEvent;
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import org.gcube.portlets.widgets.openlayerbasicwidgets.client.event.SelectAreaDialogEvent.SelectAreaDialogEventHandler;
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import org.gcube.portlets.widgets.openlayerbasicwidgets.client.widgets.AreaSelectionDialog;
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import org.gcube.portlets.widgets.openlayerbasicwidgets.client.widgets.GeometryType;
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import com.allen_sauer.gwt.log.client.Log;
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import com.google.gwt.core.shared.GWT;
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import com.google.gwt.user.client.ui.Widget;
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import com.sencha.gxt.core.client.dom.XDOM;
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import com.sencha.gxt.core.client.util.Margins;
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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.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 email: <a
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* 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 WKTFld extends AbstractFld {
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private VerticalLayoutContainer vp;
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// FileSelector fileSelector;
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private AreaSelectionDialog areaSelectionDialog;
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private TextButton selectButton, selectButton2, cancelButton;
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private String selectedArea = null;
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private WKTParameter wktParameter;
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private SimpleContainer fieldContainer;
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private HBoxLayoutContainer horiz;
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private TextField selectedAreaField;
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/**
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* @param parameter
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*/
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public WKTFld(Parameter parameter) {
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super(parameter);
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wktParameter = (WKTParameter) parameter;
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SimpleContainer wktContainer = new SimpleContainer();
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vp = new VerticalLayoutContainer();
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init();
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wktContainer.add(vp, new MarginData(new Margins(0)));
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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 (wktParameter.getDescription() == null) {
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descr = new HtmlLayoutContainer(
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"<p style='margin-left:5px !important;'></p>");
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descr.addStyleName("workflow-fieldDescription");
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} else {
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descr = new HtmlLayoutContainer(
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"<p style='margin-left:5px !important;'>"
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+ wktParameter.getDescription() + "</p>");
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descr.addStyleName("workflow-fieldDescription");
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}
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horiz.add(wktContainer, new BoxLayoutData(new Margins()));
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horiz.add(descr, new BoxLayoutData(new Margins()));
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fieldContainer.add(horiz);
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showNoSelectionField();
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}
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private GeometryType getGeometryType() {
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if (wktParameter.getWktGeometryType() == null) {
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return GeometryType.Polygon;
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}
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switch (wktParameter.getWktGeometryType()) {
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case Box:
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return GeometryType.Box;
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case Circle:
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return GeometryType.Circle;
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case Hexagon:
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return GeometryType.Hexagon;
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case LineString:
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return GeometryType.LineString;
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case Pentagon:
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return GeometryType.Pentagon;
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case Point:
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return GeometryType.Point;
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case Polygon:
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return GeometryType.Polygon;
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case Square:
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return GeometryType.Square;
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case Triangle:
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return GeometryType.Triangle;
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default:
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return GeometryType.Polygon;
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}
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}
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private void drawAGeometry() {
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SelectAreaDialogEventHandler handler = new SelectAreaDialogEventHandler() {
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@Override
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public void onResponse(SelectAreaDialogEvent event) {
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GWT.log("SelectAreaDialog Response: " + event);
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switch (event.getSelectAreaDialogEventType()) {
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case Aborted:
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Log.debug("No area selected!");
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break;
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case Completed:
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selectedArea = event.getArea();
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Log.debug("SelectedFileItem: " + selectedArea);
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showFieldWithSelection();
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break;
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case Failed:
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Log.error("Error during area selection: "
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+ event.getException());
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UtilsGXT3.alert("Error", event.getErrorMessage());
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break;
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default:
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break;
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}
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}
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};
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areaSelectionDialog = new AreaSelectionDialog(getGeometryType());
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areaSelectionDialog.setZIndex(XDOM.getTopZIndex());
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areaSelectionDialog.addSelectAreaDialogEventHandler(handler);
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areaSelectionDialog.show();
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}
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private void init() {
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selectButton = new TextButton("Draw a "
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+ wktParameter.getWktGeometryType().getLabel());
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selectButton.setIcon(DataMinerManager.resources.drawGeometry());
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selectButton.addSelectHandler(new SelectEvent.SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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drawAGeometry();
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}
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});
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//selectButton.setToolTip("Draw a "
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// + wktParameter.getWktGeometryType().getLabel());
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selectButton2 = new TextButton("");
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selectButton2.setIcon(DataMinerManager.resources.folderExplore());
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selectButton2.addSelectHandler(new SelectEvent.SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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drawAGeometry();
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}
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});
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//selectButton2.setToolTip("Select Another "
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// + wktParameter.getWktGeometryType().getLabel());
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cancelButton = new TextButton("");
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cancelButton.setIcon(DataMinerManager.resources.cancel());
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cancelButton.addSelectHandler(new SelectEvent.SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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selectedArea = null;
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showNoSelectionField();
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}
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});
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}
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private void showNoSelectionField() {
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vp.clear();
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vp.add(selectButton);
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vp.forceLayout();
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fieldContainer.forceLayout();
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}
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private void showFieldWithSelection() {
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if (selectedArea == null || selectedArea.isEmpty()) {
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selectedArea = "";
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}
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selectedAreaField = new TextField();
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if (selectedArea != null && !selectedArea.isEmpty()) {
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selectedAreaField.setValue(selectedArea);
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}
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selectedAreaField.setReadOnly(true);
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HBoxLayoutContainer h = new HBoxLayoutContainer();
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h.add(selectedAreaField, new BoxLayoutData(new Margins()));
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h.add(selectButton2, new BoxLayoutData(new Margins()));
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h.add(cancelButton, new BoxLayoutData(new Margins()));
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vp.clear();
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vp.add(h);
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vp.forceLayout();
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fieldContainer.forceLayout();
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}
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@Override
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public String getValue() {
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if (selectedAreaField != null) {
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return selectedAreaField.getCurrentValue();
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} else {
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return wktParameter.getDefaultValue();
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}
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}
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@Override
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public boolean isValid() {
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if (selectedAreaField != null) {
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return selectedAreaField.isValid();
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} else {
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return true;
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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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