package org.activityinfo.ui.client.component.report.editor.map.layerOptions;
/*
* #%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.data.BaseModelData;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.GridEvent;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.event.SliderEvent;
import com.extjs.gxt.ui.client.store.ListStore;
import com.extjs.gxt.ui.client.widget.LayoutContainer;
import com.extjs.gxt.ui.client.widget.Slider;
import com.extjs.gxt.ui.client.widget.form.FormPanel;
import com.extjs.gxt.ui.client.widget.form.SliderField;
import com.extjs.gxt.ui.client.widget.grid.CellSelectionModel;
import com.extjs.gxt.ui.client.widget.grid.ColumnConfig;
import com.extjs.gxt.ui.client.widget.grid.ColumnModel;
import com.extjs.gxt.ui.client.widget.grid.EditorGrid;
import com.extjs.gxt.ui.client.widget.layout.FormData;
import com.extjs.gxt.ui.client.widget.layout.VBoxLayoutData;
import com.google.common.base.Function;
import com.google.common.collect.Maps;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.Timer;
import org.activityinfo.i18n.shared.I18N;
import org.activityinfo.legacy.client.Dispatcher;
import org.activityinfo.legacy.shared.command.*;
import org.activityinfo.legacy.shared.command.result.BatchResult;
import org.activityinfo.legacy.shared.command.result.Bucket;
import org.activityinfo.legacy.shared.command.result.CommandResult;
import org.activityinfo.legacy.shared.model.ActivityFormDTO;
import org.activityinfo.legacy.shared.model.IndicatorDTO;
import org.activityinfo.legacy.shared.reports.content.EntityCategory;
import org.activityinfo.legacy.shared.reports.model.Dimension;
import org.activityinfo.legacy.shared.reports.model.layers.PiechartMapLayer;
import org.activityinfo.legacy.shared.reports.model.layers.PiechartMapLayer.Slice;
import org.activityinfo.promise.Promise;
import org.activityinfo.ui.client.page.common.columns.EditColorColumn;
import org.activityinfo.ui.client.page.common.columns.ReadTextColumn;
import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* Displays a list of options to configure a PiechartMapLayer
*/
public class PiechartLayerOptions extends LayoutContainer implements LayerOptionsWidget<PiechartMapLayer> {
private Dispatcher service;
private PiechartMapLayer piechartMapLayer;
private ListStore<NamedSlice> indicatorsStore = new ListStore<NamedSlice>();
private Slider sliderMinSize = new Slider();
private Slider sliderMaxSize = new Slider();
private Timer timerMinSlider;
private Timer timerMaxSlider;
private FormData formData = new FormData("5");
private FormPanel panel = new FormPanel();
private Map<Integer, String> indicatorLabels;
public PiechartLayerOptions(Dispatcher service) {
super();
this.service = service;
initializeComponent();
createMinMaxSliders();
setupIndicatorOptionsGrid();
}
private void initializeComponent() {
panel.setHeaderVisible(false);
add(panel);
}
private void setSliderDefaults(Slider slider) {
slider.setMinValue(1);
slider.setMaxValue(60);
slider.setIncrement(1);
slider.setDraggable(true);
slider.setAutoWidth(true);
}
private void createMinMaxSliders() {
setSliderDefaults(sliderMinSize);
setSliderDefaults(sliderMaxSize);
sliderMinSize.setValue(16);
sliderMaxSize.setValue(48);
SliderField sliderfieldMinSize = new SliderField(sliderMinSize);
sliderfieldMinSize.setFieldLabel(I18N.CONSTANTS.radiusMinimum());
SliderField sliderfieldMaxSize = new SliderField(sliderMaxSize);
sliderfieldMaxSize.setFieldLabel(I18N.CONSTANTS.radiusMaximum());
panel.add(sliderfieldMinSize, formData);
panel.add(sliderfieldMaxSize, formData);
// Ensure min can't be more then max, and max can't be less then min
sliderMinSize.addListener(Events.Change, new Listener<SliderEvent>() {
@Override
public void handleEvent(SliderEvent be) {
timerMinSlider.cancel();
timerMinSlider.schedule(250);
}
});
sliderMaxSize.addListener(Events.Change, new Listener<SliderEvent>() {
@Override
public void handleEvent(SliderEvent be) {
timerMinSlider.cancel();
timerMaxSlider.schedule(250);
}
});
timerMinSlider = new Timer() {
@Override
public void run() {
if (sliderMinSize.getValue() > sliderMaxSize.getValue()) {
sliderMinSize.setValue(sliderMaxSize.getValue());
}
piechartMapLayer.setMinRadius(sliderMinSize.getValue());
ValueChangeEvent.fire(PiechartLayerOptions.this, piechartMapLayer);
}
};
timerMaxSlider = new Timer() {
@Override
public void run() {
if (sliderMaxSize.getValue() < sliderMinSize.getValue()) {
sliderMaxSize.setValue(sliderMinSize.getValue());
}
piechartMapLayer.setMaxRadius(sliderMaxSize.getValue());
ValueChangeEvent.fire(PiechartLayerOptions.this, piechartMapLayer);
}
};
}
private void setupIndicatorOptionsGrid() {
List<ColumnConfig> columnConfigs = new ArrayList<ColumnConfig>();
columnConfigs.add(new EditColorColumn());
columnConfigs.add(new ReadTextColumn("name", I18N.CONSTANTS.indicators(), 50));
ColumnModel columnmodelIndicators = new ColumnModel(columnConfigs);
EditorGrid<NamedSlice> indicatorOptionGrid = new EditorGrid<NamedSlice>(indicatorsStore, columnmodelIndicators);
indicatorOptionGrid.setBorders(false);
indicatorOptionGrid.setAutoExpandColumn("name");
indicatorOptionGrid.setAutoWidth(true);
indicatorOptionGrid.setHeight(100);
indicatorOptionGrid.getView().setShowDirtyCells(false);
indicatorOptionGrid.setSelectionModel(new CellSelectionModel<PiechartLayerOptions.NamedSlice>());
indicatorOptionGrid.addListener(Events.AfterEdit, new Listener<GridEvent<NamedSlice>>() {
@Override
public void handleEvent(GridEvent<NamedSlice> be) {
be.getModel().getSlice().setColor(be.getModel().getColor());
ValueChangeEvent.fire(PiechartLayerOptions.this, piechartMapLayer);
}
});
VBoxLayoutData vbld = new VBoxLayoutData();
vbld.setFlex(1);
panel.add(indicatorOptionGrid);
}
private Promise loadIndicatorLabels() {
if (piechartMapLayer == null || indicatorLabels != null) {
return Promise.done();
}
Filter filter = new Filter();
filter.addRestriction(DimensionType.Indicator, piechartMapLayer.getIndicatorIds());
PivotSites query = new PivotSites();
query.setFilter(filter);
final Dimension formDimension = new Dimension(DimensionType.Activity);
query.setDimensions(formDimension);
query.setValueType(PivotSites.ValueType.DIMENSION);
Promise<BatchResult> promise = service.execute(query)
.join(new Function<PivotSites.PivotResult, Promise<BatchResult>>() {
@Override
public Promise<BatchResult> apply(PivotSites.PivotResult input) {
BatchCommand batchFetch = new BatchCommand();
for (Bucket bucket : input.getBuckets()) {
EntityCategory activity = (EntityCategory) bucket.getCategory(formDimension);
batchFetch.add(new GetActivityForm(activity.getId()));
}
return service.execute(batchFetch);
}
});
promise.then(new Function<BatchResult, Void>() {
@Nullable
@Override
public Void apply(@Nullable BatchResult input) {
indicatorLabels = Maps.newHashMap();
for (CommandResult result : input.getResults()) {
ActivityFormDTO form = (ActivityFormDTO) result;
for (IndicatorDTO indicator : form.getIndicators()) {
indicatorLabels.put(indicator.getId(), indicator.getName());
}
}
populateColorPickerWidget();
return null;
}
});
return promise;
}
private void populateColorPickerWidget() {
indicatorsStore.removeAll();
if (piechartMapLayer != null && !piechartMapLayer.getIndicatorIds().isEmpty()) {
if (indicatorLabels != null) {
addSlices();
} else {
loadIndicatorLabels().then(new Function() {
@Override
public Object apply(Object input) {
addSlices();
return null;
}
});
}
}
}
// call only when indicatorLabels are initialized
private void addSlices() {
for (Slice slice : piechartMapLayer.getSlices()) {
String name = indicatorLabels.get(slice.getIndicatorId());
indicatorsStore.add(new NamedSlice(slice.getColor(), slice.getIndicatorId(), name, slice));
}
layout(true);
}
@Override
public PiechartMapLayer getValue() {
return piechartMapLayer;
}
@Override
public void setValue(PiechartMapLayer value) {
this.piechartMapLayer = value;
updateUI();
}
private void updateUI() {
populateColorPickerWidget();
sliderMinSize.setValue(piechartMapLayer.getMinRadius(), true);
sliderMaxSize.setValue(piechartMapLayer.getMaxRadius(), true);
}
@Override
public void setValue(PiechartMapLayer value, boolean fireEvents) {
setValue(value);
}
@Override
public HandlerRegistration addValueChangeHandler(ValueChangeHandler<PiechartMapLayer> handler) {
return this.addHandler(handler, ValueChangeEvent.getType());
}
public final static class NamedSlice extends BaseModelData {
private Slice slice;
public NamedSlice() {
}
public NamedSlice(String color, int indicatorId, String name, Slice slice) {
super();
setColor(color);
setIndicatorId(indicatorId);
setName(name);
this.slice = slice;
}
public String getColor() {
return (String) get("color");
}
public void setColor(String color) {
set("color", color);
}
public int getIndicatorId() {
return (Integer) get("indicatorId");
}
public void setIndicatorId(int indicatorId) {
set("indicatorId", indicatorId);
}
public String getName() {
return get("name");
}
public void setName(String name) {
set("name", name);
}
public Slice getSlice() {
return slice;
}
}
}