package org.sigmah.client.ui.presenter.project.indicator;
/*
* #%L
* Sigmah
* %%
* Copyright (C) 2010 - 2016 URD
* %%
* 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/gpl-3.0.html>.
* #L%
*/
import com.extjs.gxt.ui.client.event.ButtonEvent;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.FieldEvent;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.event.SelectionListener;
import com.extjs.gxt.ui.client.widget.form.ComboBox;
import com.extjs.gxt.ui.client.widget.form.Field;
import com.extjs.gxt.ui.client.widget.form.FieldSet;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.user.client.Event;
import com.google.inject.ImplementedBy;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.sigmah.client.dispatch.CommandResultHandler;
import org.sigmah.client.dispatch.monitor.LoadingMask;
import org.sigmah.client.event.SiteEvent;
import org.sigmah.client.i18n.I18N;
import org.sigmah.client.inject.Injector;
import org.sigmah.client.page.Page;
import org.sigmah.client.page.PageRequest;
import org.sigmah.client.page.RequestParameter;
import org.sigmah.client.ui.notif.N10N;
import org.sigmah.client.ui.presenter.base.AbstractPagePresenter;
import org.sigmah.client.ui.presenter.base.HasForm;
import org.sigmah.client.ui.view.base.ViewPopupInterface;
import org.sigmah.client.ui.view.project.indicator.EditSiteView;
import org.sigmah.client.ui.widget.Loadable;
import org.sigmah.client.ui.widget.button.Button;
import org.sigmah.client.ui.widget.form.FormPanel;
import org.sigmah.client.ui.widget.map.Pin;
import org.sigmah.client.ui.widget.map.PinDragEndHandler;
import org.sigmah.shared.command.BatchCommand;
import org.sigmah.shared.command.CreateEntity;
import org.sigmah.shared.command.GetAdminEntities;
import org.sigmah.shared.command.UpdateEntity;
import org.sigmah.shared.command.result.CreateResult;
import org.sigmah.shared.command.result.ListResult;
import org.sigmah.shared.command.result.Result;
import org.sigmah.shared.command.result.VoidResult;
import org.sigmah.shared.dto.AdminEntityDTO;
import org.sigmah.shared.dto.AdminLevelDTO;
import org.sigmah.shared.dto.BoundingBoxDTO;
import org.sigmah.shared.dto.SchemaDTO;
import org.sigmah.shared.dto.SiteDTO;
import org.sigmah.shared.dto.UserDatabaseDTO;
import org.sigmah.shared.dto.country.CountryDTO;
/**
*
* @author Raphaël Calabro (rcalabro@ideia.fr)
*/
@Singleton
public class EditSitePresenter extends AbstractPagePresenter<EditSitePresenter.View> implements HasForm {
/**
* Description of the view managed by this presenter.
*/
@ImplementedBy(EditSiteView.class)
public static interface View extends ViewPopupInterface {
FormPanel getForm();
// Fields.
FieldSet getLocationFieldSet();
ComboBox<AdminEntityDTO> getTopLevelComboBox();
Field<Double> getLatitudeField();
Field<Double> getLongitudeField();
Pin getPin();
Button getSaveButton();
Button getCancelButton();
void panTo(double latitude, double longitude);
void setCountry(CountryDTO country, Listener<FieldEvent> selectionListener);
BoundingBoxDTO getMapBounds();
void setMapBounds(BoundingBoxDTO bounds);
void setPinPosition(double latitude, double longitude);
}
private Integer projectId;
private SiteDTO site;
private boolean mainSite;
/**
* Presenters's initialization.
*
* @param view
* Presenter's view interface.
* @param injector
* Injected client injector.
*/
@Inject
protected EditSitePresenter(final EditSitePresenter.View view, final Injector injector) {
super(view, injector);
}
/**
* {@inheritDoc}
*/
@Override
public Page getPage() {
return Page.SITE_EDIT;
}
/**
* {@inheritDoc}
*/
@Override
public FormPanel[] getForms() {
return new FormPanel[] {
view.getForm()
};
}
@Override
public void onBind() {
view.getPin().addPinDragEndHandler(new PinDragEndHandler() {
@Override
public void onDragEnd(double latitude, double longitude) {
onMarkerMoved(latitude, longitude);
}
});
view.getSaveButton().addSelectionListener(new SelectionListener<ButtonEvent>() {
@Override
public void componentSelected(ButtonEvent ce) {
onSaveAction();
}
});
view.getCancelButton().addSelectionListener(new SelectionListener<ButtonEvent>() {
@Override
public void componentSelected(ButtonEvent ce) {
hideView();
}
});
final Listener<FieldEvent> latitudeLongitudeChangeListener = new Listener<FieldEvent>() {
@Override
public void handleEvent(FieldEvent be) {
onCoordinatesChanged(view.getLongitudeField().getValue(), view.getLatitudeField().getValue());
}
};
view.getLongitudeField().addListener(Events.Change, latitudeLongitudeChangeListener);
view.getLatitudeField().addListener(Events.Change, latitudeLongitudeChangeListener);
}
@Override
public void onPageRequest(PageRequest request) {
// Reading parameters.
projectId = request.getParameterInteger(RequestParameter.ID);
mainSite = "main".equals(request.getParameter(RequestParameter.TYPE));
site = request.getData(RequestParameter.DTO);
final SchemaDTO schema = request.getData(RequestParameter.MODEL);
// Retrieving the current database.
final UserDatabaseDTO database = schema.getDatabaseById(projectId);
assert database != null;
// Sets the popup title
if(mainSite) {
setPageTitle(I18N.CONSTANTS.projectMainSite());
} else if(site.getId() == null) {
setPageTitle(I18N.CONSTANTS.newSite());
} else {
setPageTitle(I18N.CONSTANTS.editSite());
}
// Creates the admin entities fields.
final CountryDTO country = database.getCountry();
view.setCountry(country, new Listener<FieldEvent>() {
@Override
public void handleEvent(FieldEvent be) {
final ComboBox<AdminEntityDTO> comboBox = (ComboBox<AdminEntityDTO>) be.getField();
if(be.getEventTypeInt() == Event.ONKEYUP && (
be.getEvent().getKeyCode() == KeyCodes.KEY_DELETE ||
be.getEvent().getKeyCode() == KeyCodes.KEY_BACKSPACE)) {
comboBox.setValue(null);
}
updateAdminEntityChild(comboBox);
setLatitudeAndLongitude(getAdminEntityBounds(comboBox));
}
});
setValues(site);
if(site.getId() == null) {
updateAdminEntity(view.getTopLevelComboBox());
} else {
loadAdminEntities(view.getTopLevelComboBox());
}
if(site.getX() != null && site.getY() != null) {
// Move to the site coordinates.
view.setMapBounds(new BoundingBoxDTO(site.getX(), site.getY()));
view.setPinPosition(site.getY(), site.getX());
} else if(country != null) {
setLatitudeAndLongitude(country.getBounds());
}
}
private void onCoordinatesChanged(Double latitude, Double longitude) {
if(latitude != null && longitude != null) {
view.setPinPosition(latitude, longitude);
if(!view.getMapBounds().contains(longitude, latitude)) {
view.panTo(latitude, longitude);
}
}
}
private void setLatitudeAndLongitude(BoundingBoxDTO boundingBoxDTO) {
if(boundingBoxDTO != null) {
view.setPinPosition(boundingBoxDTO.getCenterY(), boundingBoxDTO.getCenterX());
onMarkerMoved(boundingBoxDTO.getCenterY(), boundingBoxDTO.getCenterX());
} else {
view.setPinPosition(0, 0);
onMarkerMoved(0, 0);
}
view.setMapBounds(boundingBoxDTO);
}
private void onMarkerMoved(double latitude, double longitude) {
view.getLatitudeField().setValue(latitude);
view.getLongitudeField().setValue(longitude);
}
private void onSaveAction() {
// --
// Forms validation.
// --
if (!FormPanel.valid(view.getForm())) {
// Form(s) validation failed.
return;
}
// Save
if(site.getId() == null) {
saveSite();
} else {
updateSite();
}
}
private void saveSite() {
dispatch.execute(new CreateEntity(SiteDTO.ENTITY_NAME, getValues()), new CommandResultHandler<CreateResult>() {
@Override
protected void onCommandSuccess(CreateResult result) {
N10N.infoNotif(I18N.CONSTANTS.saved(), I18N.CONSTANTS.saved());
site.setId((Integer) result.getEntity().getId());
site.setProperties(getValues());
final SiteEvent.Action action = mainSite ? SiteEvent.Action.MAIN_SITE_CREATED : SiteEvent.Action.CREATED;
eventBus.fireEvent(new SiteEvent(action, this, site));
hideView();
}
}, view.getSaveButton(), view.getCancelButton());
}
private void updateSite() {
dispatch.execute(new UpdateEntity(site, getValues()), new CommandResultHandler<VoidResult>() {
@Override
protected void onCommandSuccess(VoidResult result) {
N10N.infoNotif(I18N.CONSTANTS.saved(), I18N.CONSTANTS.saved());
site.setProperties(getValues());
final SiteEvent.Action action = mainSite ? SiteEvent.Action.MAIN_SITE_UPDATED : SiteEvent.Action.UPDATED;
eventBus.fireEvent(new SiteEvent(action, this, site));
hideView();
}
}, view.getSaveButton(), view.getCancelButton());
}
private Map<String, Object> getValues() {
final Map<String, Object> values = new HashMap<String, Object>();
values.put(SiteDTO.DATABASE_ID, projectId);
for(final Field<?> field : view.getForm().getFields()) {
values.put(field.getName(), field.getValue());
}
values.put(view.getLatitudeField().getName(), view.getLatitudeField().getValue());
values.put(view.getLongitudeField().getName(), view.getLongitudeField().getValue());
return values;
}
private void setValues(SiteDTO siteDTO) {
for(final Field field : view.getForm().getFields()) {
field.setOriginalValue(siteDTO.get(field.getName()));
field.setValue(siteDTO.get(field.getName()));
}
view.getLatitudeField().setValue(site.getY());
view.getLongitudeField().setValue(site.getX());
}
private void updateAdminEntityChild(ComboBox<AdminEntityDTO> comboBox) {
final ComboBox<AdminEntityDTO> childComboBox = comboBox.getData("child");
updateAdminEntity(childComboBox, true, false);
}
private void updateAdminEntity(final ComboBox<AdminEntityDTO> comboBox) {
updateAdminEntity(comboBox, false, true);
}
private void updateAdminEntity(final ComboBox<AdminEntityDTO> comboBox, boolean resetValue, final boolean forceNoReset) {
if(comboBox == null) {
return;
}
final AdminLevelDTO level = comboBox.getData("level");
final ComboBox<AdminEntityDTO> parentComboBox = comboBox.getData("parent");
final ComboBox<AdminEntityDTO> childComboBox = comboBox.getData("child");
final GetAdminEntities getAdminEntities;
if(parentComboBox == null) {
// Fetch all parent entities
getAdminEntities = new GetAdminEntities(level.getId());
} else {
final AdminEntityDTO parentAdminEntity = parentComboBox.getValue();
if(parentAdminEntity != null) {
// Fetch only the entities related to the parent entity.
getAdminEntities = new GetAdminEntities(level.getId(), parentAdminEntity.getId());
} else {
getAdminEntities = null;
comboBox.setValue(null);
}
}
if(resetValue) {
comboBox.setValue(null);
}
// Remove the current levels.
comboBox.getStore().removeAll();
if(getAdminEntities != null) {
// Fetch the levels.
dispatch.execute(getAdminEntities, new CommandResultHandler<ListResult<AdminEntityDTO>>() {
@Override
protected void onCommandSuccess(ListResult<AdminEntityDTO> result) {
// Update the store and allow selection for this level.
comboBox.getStore().add(result.getData());
comboBox.setEnabled(true);
updateAdminEntity(childComboBox, !forceNoReset, forceNoReset);
}
}, new LoadingMask(comboBox));
} else {
// No parent level has been selected, disable this combo.
comboBox.setEnabled(false);
updateAdminEntity(childComboBox, !forceNoReset, forceNoReset);
}
}
private BoundingBoxDTO getAdminEntityBounds(ComboBox<AdminEntityDTO> comboBox) {
BoundingBoxDTO bounds = null;
ComboBox<AdminEntityDTO> adminEntityComboBox = comboBox;
do {
final AdminEntityDTO adminEntity = adminEntityComboBox.getValue();
if(adminEntity != null) {
bounds = adminEntity.getBounds();
}
adminEntityComboBox = comboBox.getData("parent");
} while(bounds == null && adminEntityComboBox != null);
return bounds;
}
private void loadAdminEntities(final ComboBox<AdminEntityDTO> rootComboBox) {
final BatchCommand batchCommand = new BatchCommand();
final ArrayList<Loadable> masks = new ArrayList<Loadable>();
final ArrayList<ComboBox<AdminEntityDTO>> affectedComboBoxes = new ArrayList<ComboBox<AdminEntityDTO>>();
ComboBox<AdminEntityDTO> comboBox = rootComboBox;
while(comboBox != null) {
comboBox.getStore().removeAll();
final AdminLevelDTO level = comboBox.getData("level");
final ComboBox<AdminEntityDTO> parentComboBox = comboBox.getData("parent");
final GetAdminEntities getAdminEntities;
if(parentComboBox == null) {
// Fetch all parent entities
getAdminEntities = new GetAdminEntities(level.getId());
} else {
final AdminEntityDTO parentAdminEntity = parentComboBox.getValue();
if(parentAdminEntity != null) {
// Fetch only the entities related to the parent entity.
getAdminEntities = new GetAdminEntities(level.getId(), parentAdminEntity.getId());
} else {
getAdminEntities = null;
comboBox.setValue(null);
}
}
if(getAdminEntities != null) {
batchCommand.add(getAdminEntities);
masks.add(new LoadingMask(comboBox));
affectedComboBoxes.add(comboBox);
}
comboBox = comboBox.getData("child");
}
dispatch.execute(batchCommand, new CommandResultHandler<ListResult<Result>>() {
@Override
protected void onCommandSuccess(ListResult<Result> listResult) {
final List<Result> results = listResult.getList();
for(int index = 0; index < results.size(); index++) {
final ComboBox<AdminEntityDTO> comboBox = affectedComboBoxes.get(index);
final ListResult<AdminEntityDTO> entities = (ListResult<AdminEntityDTO>) results.get(index);
comboBox.getStore().add(entities.getData());
comboBox.setEnabled(true);
}
}
}, masks);
}
}