package org.activityinfo.ui.client.page.entry;
/*
* #%L
* ActivityInfo Server
* %%
* Copyright (C) 2009 - 2013 UNICEF
* %%
* 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.Events;
import com.extjs.gxt.ui.client.event.SelectionChangedEvent;
import com.extjs.gxt.ui.client.event.SelectionChangedListener;
import com.extjs.gxt.ui.client.widget.ContentPanel;
import com.extjs.gxt.ui.client.widget.grid.ColumnModel;
import com.extjs.gxt.ui.client.widget.layout.FitLayout;
import com.google.gwt.user.client.rpc.AsyncCallback;
import org.activityinfo.i18n.shared.I18N;
import org.activityinfo.legacy.client.Dispatcher;
import org.activityinfo.legacy.client.callback.SuccessCallback;
import org.activityinfo.legacy.shared.command.DimensionType;
import org.activityinfo.legacy.shared.command.Filter;
import org.activityinfo.legacy.shared.command.GetSchema;
import org.activityinfo.legacy.shared.model.*;
import org.activityinfo.ui.client.page.entry.column.ColumnModelProvider;
import org.activityinfo.ui.client.page.entry.column.DefaultColumnModelProvider;
import org.activityinfo.ui.client.page.entry.grouping.GroupingModel;
import org.activityinfo.ui.client.page.entry.grouping.NullGroupingModel;
import org.activityinfo.ui.client.style.legacy.icon.IconImageBundle;
import org.activityinfo.ui.client.widget.legacy.LoadingPlaceHolder;
/**
* The SiteGridPanel contains the main toolbar for the Site Grid display, and
* switches between the {@link FlatSiteGridPanel} and the tree grids.
* <p/>
* <p/>
* Note that this class is FINAL. It should not be subclassed. The grid can be
* customized by providing a different {@code columnModelProvider}, and
* containers can install their own toolbar by calling
* {@code setTopComponent() }
*/
public final class SiteGridPanel extends ContentPanel {
private final Dispatcher dispatcher;
private final ColumnModelProvider columnModelProvider;
private SiteGridPanelView grid = null;
public SiteGridPanel(Dispatcher dispatcher, ColumnModelProvider columnModelProvider) {
this.dispatcher = dispatcher;
this.columnModelProvider = columnModelProvider;
setHeadingText(I18N.CONSTANTS.sitesHeader());
setIcon(IconImageBundle.ICONS.table());
setLayout(new FitLayout());
}
public SiteGridPanel(Dispatcher dispatcher) {
this(dispatcher, new DefaultColumnModelProvider(dispatcher));
}
public void load(final GroupingModel grouping, final Filter filter) {
removeAll();
add(new LoadingPlaceHolder());
layout();
columnModelProvider.fetchColumnModels(filter, grouping, new SuccessCallback<ColumnModel>() {
@Override
public void onSuccess(ColumnModel columnModel) {
createGrid(grouping, filter, columnModel);
}
});
updateHeading(filter);
}
private void updateHeading(final Filter filter) {
setHeadingText(I18N.CONSTANTS.sitesHeader());
dispatcher.execute(new GetSchema(), new AsyncCallback<SchemaDTO>() {
@Override
public void onFailure(Throwable caught) {
// TODO Auto-generated method stub
}
@Override
public void onSuccess(SchemaDTO result) {
if (filter.isDimensionRestrictedToSingleCategory(DimensionType.Activity)) {
int activityId = filter.getRestrictedCategory(DimensionType.Activity);
ActivityDTO activity = result.getActivityById(activityId);
setHeadingText(activity.getDatabaseName() + " - " + activity.getName());
} else if (filter.isDimensionRestrictedToSingleCategory(DimensionType.Database)) {
int databaseId = filter.getRestrictedCategory(DimensionType.Database);
UserDatabaseDTO db = result.getDatabaseById(databaseId);
setHeadingText(db.getName());
}
}
});
}
public void refresh() {
if (grid != null) {
grid.refresh();
}
}
protected void createGrid(GroupingModel grouping, Filter filter, ColumnModel columnModel) {
if (grouping == NullGroupingModel.INSTANCE) {
FlatSiteGridPanel panel = new FlatSiteGridPanel(dispatcher);
panel.initGrid(filter, columnModel);
installGrid(panel);
} else {
SiteTreeGrid treeGrid = new SiteTreeGrid(dispatcher, grouping, filter, columnModel);
treeGrid.addSelectionChangeListener(new SelectionChangedListener<SiteDTO>() {
@Override
public void selectionChanged(SelectionChangedEvent<SiteDTO> se) {
fireEvent(Events.SelectionChange, se);
}
});
installGrid(treeGrid);
}
}
public void addSelectionChangedListener(SelectionChangedListener<SiteDTO> listener) {
addListener(Events.SelectionChange, listener);
}
private void installGrid(SiteGridPanelView grid) {
this.grid = grid;
removeAll();
add(grid.asComponent());
layout();
grid.addSelectionChangeListener(new SelectionChangedListener<SiteDTO>() {
@Override
public void selectionChanged(SelectionChangedEvent<SiteDTO> se) {
fireEvent(Events.SelectionChange, se);
}
});
}
public SiteDTO getSelection() {
if (grid == null) {
return null;
} else {
return grid.getSelection();
}
}
}