/**
*
* geo-platform
* Rich webgis framework
* http://geo-platform.org
* ====================================================================
*
* Copyright (C) 2008-2017 geoSDI Group (CNR IMAA - Potenza - ITALY).
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License
* for more details. You should have received a copy of the GNU General
* Public License along with this program. If not, see http://www.gnu.org/licenses/
*
* ====================================================================
*
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole combination.
*
* As a special exception, the copyright holders of this library give you permission
* to link this library with independent modules to produce an executable, regardless
* of the license terms of these independent modules, and to copy and distribute
* the resulting executable under terms of your choice, provided that you also meet,
* for each linked independent module, the terms and conditions of the license of
* that module. An independent module is a module which is not derived from or
* based on this library. If you modify this library, you may extend this exception
* to your version of the library, but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version.
*/
package org.geosdi.geoplatform.gui.client.widget.wfs;
import com.extjs.gxt.ui.client.event.ButtonEvent;
import com.extjs.gxt.ui.client.event.SelectionChangedEvent;
import com.extjs.gxt.ui.client.event.SelectionChangedListener;
import com.extjs.gxt.ui.client.event.SelectionListener;
import com.extjs.gxt.ui.client.store.ListStore;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.form.*;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.ui.AbstractImagePrototype;
import org.geosdi.geoplatform.connector.wfs.response.AttributeDTO;
import org.geosdi.geoplatform.connector.wfs.response.QueryRestrictionDTO;
import org.geosdi.geoplatform.gui.client.BasicWidgetResources;
import org.geosdi.geoplatform.gui.client.model.wfs.AttributeDetail;
import org.geosdi.geoplatform.gui.client.puregwt.wfs.event.DeleteAttributeConditionEvent;
import org.geosdi.geoplatform.gui.client.puregwt.wfs.handler.IDateSelectedHandler;
import org.geosdi.geoplatform.gui.client.util.FeatureConverter;
import org.geosdi.geoplatform.gui.client.widget.wfs.builder.AttributeCustomFields;
import org.geosdi.geoplatform.gui.client.widget.wfs.builder.AttributeCustomFieldsMap;
import org.geosdi.geoplatform.gui.client.widget.wfs.time.TimeInputWidget;
import org.geosdi.geoplatform.gui.configuration.GPSecureStringTextField;
import org.geosdi.geoplatform.gui.puregwt.GPEventBus;
import org.geosdi.geoplatform.gui.shared.wfs.OperatorType;
import java.util.List;
/**
*
* @author Vincenzo Monteverde <vincenzo.monteverde@geosdi.org>
*/
public class FeatureAttributeConditionField extends MultiField implements IFeatureAttributeConditionField {
private List<AttributeDetail> attributes;
private ComboBox<AttributeDetail> nameAttributeCombo;
private SimpleComboBox<String> operatorCombo;
private GPSecureStringTextField conditionAttributeField = new GPSecureStringTextField();
private GPEventBus bus;
private TimeInputWidget timeInputWidget;
private HandlerRegistration clickHandlerRegistration;
public FeatureAttributeConditionField(GPEventBus bus, List<AttributeDetail> attributes) {
assert (attributes != null) : "attributes must not be null.";
this.attributes = attributes;
this.bus = bus;
this.timeInputWidget = new TimeInputWidget(bus);
this.bus.addHandlerToSource(IDateSelectedHandler.TYPE, timeInputWidget, this);
this.createComponents();
}
@Override
public QueryRestrictionDTO getQueryRestriction() {
QueryRestrictionDTO queryRestriction = null;
AttributeDetail attributeDetail = this.nameAttributeCombo.getValue();
String operator = this.operatorCombo.getValue().getValue();
String restriction = this.conditionAttributeField.getValue();
if ((attributeDetail != null) && (operator != null) && (this.conditionAttributeField.isValid()) &&
(restriction != null)) {
AttributeDTO attributeDTO = FeatureConverter.convert(attributeDetail);
queryRestriction = new QueryRestrictionDTO(attributeDTO, OperatorType.fromSymbol(operator), restriction);
}
return queryRestriction;
}
@Override
public void dateSelected(String date) {
this.conditionAttributeField.setValue(date);
}
private void createComponents() {
final String spacer = "<span class='spacer'> </span>";
Button deleteButton = this.createDeleteButton();
super.add(new AdapterField(deleteButton));
super.add(this.createNameAttributeCombo());
super.add(new LabelField(spacer));
super.add(this.createConditionsCombo());
super.add(new LabelField(spacer));
super.add(this.createConditionAttributeField());
}
private ComboBox<AttributeDetail> createNameAttributeCombo() {
this.nameAttributeCombo = new ComboBox<AttributeDetail>();
nameAttributeCombo.setEditable(false);
nameAttributeCombo.setTypeAhead(true);
nameAttributeCombo.setTriggerAction(ComboBox.TriggerAction.ALL);
nameAttributeCombo.setWidth(110);
this.nameAttributeCombo.addSelectionChangedListener(new SelectionChangedListener<AttributeDetail>() {
@Override
public void selectionChanged(SelectionChangedEvent<AttributeDetail> se) {
if (clickHandlerRegistration != null) {
clickHandlerRegistration.removeHandler();
}
AttributeDetail attributeDetail = se.getSelectedItem();
if (attributeDetail == null) {
operatorCombo.disable();
} else {
AttributeCustomFields customFields = AttributeCustomFieldsMap.getAttributeCustomFields(
attributeDetail.getType());
operatorCombo.clear();
operatorCombo.removeAll();
for (OperatorType operatorType : customFields.getOperatorList()) {
operatorCombo.add(operatorType.toString());
}
operatorCombo.enable();
conditionAttributeField.clear();
conditionAttributeField.setValidator(customFields.getValidator());
conditionAttributeField.setToolTip("Datatype: " + attributeDetail.getType());
if (attributeDetail.getType().equals("dateTime")) {
conditionAttributeField.addHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
timeInputWidget.show();
}
}, ClickEvent.getType());
}
}
}
});
ListStore nameAttributeStore = new ListStore<AttributeDetail>();
nameAttributeStore.add(attributes);
nameAttributeCombo.setStore(nameAttributeStore);
nameAttributeCombo.setDisplayField(AttributeDetail.AttributeDetailKeyValue.NAME.name());
return nameAttributeCombo;
}
private SimpleComboBox<String> createConditionsCombo() {
this.operatorCombo = new SimpleComboBox<String>();
operatorCombo.setEditable(false);
operatorCombo.setTypeAhead(true);
operatorCombo.setTriggerAction(ComboBox.TriggerAction.ALL);
operatorCombo.setWidth(50);
for (OperatorType operator : OperatorType.values()) {
operatorCombo.add(operator.toString());
}
operatorCombo.disable();
return operatorCombo;
}
private GPSecureStringTextField createConditionAttributeField() {
conditionAttributeField.setWidth(60);
return conditionAttributeField;
}
private Button createDeleteButton() {
Button button = new Button("", new SelectionListener<ButtonEvent>() {
@Override
public void componentSelected(ButtonEvent ce) {
bus.fireEvent(new DeleteAttributeConditionEvent(FeatureAttributeConditionField.this));
}
});
button.setToolTip("Delete Condition");
button.setIcon(AbstractImagePrototype.create(BasicWidgetResources.ICONS.delete()));
button.setAutoWidth(true);
return button;
}
}