tabular-data-charts-widget/src/main/java/org/gcube/portlets/user/td/chartswidget/client/ChartSelectionCard.java

234 lines
7.2 KiB
Java

package org.gcube.portlets.user.td.chartswidget.client;
import org.gcube.portlets.user.td.chartswidget.client.help.ChartHelp;
import org.gcube.portlets.user.td.chartswidget.client.properties.ChartTypePropertiesCombo;
import org.gcube.portlets.user.td.chartswidget.client.store.ChartTypeElement;
import org.gcube.portlets.user.td.chartswidget.client.store.ChartTypeStore;
import org.gcube.portlets.user.td.chartswidget.client.toprating.TopRatingColumnSelectionCard;
import org.gcube.portlets.user.td.gwtservice.shared.chart.ChartSession;
import org.gcube.portlets.user.td.gwtservice.shared.chart.ChartTopRatingSession;
import org.gcube.portlets.user.td.widgetcommonevent.shared.charts.ChartType;
import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.TableType;
import org.gcube.portlets.user.td.wizardwidget.client.WizardCard;
import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.user.client.Command;
import com.sencha.gxt.cell.core.client.form.ComboBoxCell.TriggerAction;
import com.sencha.gxt.core.client.util.Margins;
import com.sencha.gxt.core.client.util.Padding;
import com.sencha.gxt.data.shared.LabelProvider;
import com.sencha.gxt.data.shared.ListStore;
import com.sencha.gxt.widget.core.client.box.AlertMessageBox;
import com.sencha.gxt.widget.core.client.container.MarginData;
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
import com.sencha.gxt.widget.core.client.event.HideEvent;
import com.sencha.gxt.widget.core.client.event.HideEvent.HideHandler;
import com.sencha.gxt.widget.core.client.form.ComboBox;
import com.sencha.gxt.widget.core.client.form.FieldLabel;
import com.sencha.gxt.widget.core.client.form.FormPanel;
import com.sencha.gxt.widget.core.client.info.Info;
/**
*
* @author "Giancarlo Panichi" <a
* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
*
*/
public class ChartSelectionCard extends WizardCard {
private ChartSelectionCard thisCard;
private ChartSession chartSession;
private ChartType chartTypeSelected;
private ComboBox<ChartTypeElement> comboChartType;
private FieldLabel comboChartTypeLabel;
private ChartHelp chartHelp;
public ChartSelectionCard(final ChartSession chartSession) {
super("Column Selection", "");
this.thisCard = this;
if (chartSession == null) {
Log.error("ChartSession is null");
}
this.chartSession = chartSession;
this.chartTypeSelected = null;
FormPanel panel = createPanel();
setCenterWidget(panel, new MarginData(0));
}
protected FormPanel createPanel() {
FormPanel panel = new FormPanel();
panel.setLabelWidth(90);
panel.getElement().setPadding(new Padding(5));
VerticalLayoutContainer content = new VerticalLayoutContainer();
panel.add(content);
// comboChartType
ChartTypePropertiesCombo propsChartType = GWT
.create(ChartTypePropertiesCombo.class);
ListStore<ChartTypeElement> storeComboChartType = new ListStore<ChartTypeElement>(
propsChartType.id());
storeComboChartType.addAll(ChartTypeStore.getChartsType());
comboChartType = new ComboBox<ChartTypeElement>(storeComboChartType,
propsChartType.label());
Log.trace("ComboMeasureType created");
addHandlersForComboChartType(propsChartType.label());
comboChartType.setEmptyText("Select a chart type...");
comboChartType.setWidth(191);
comboChartType.setTypeAhead(true);
comboChartType.setTriggerAction(TriggerAction.ALL);
comboChartTypeLabel = new FieldLabel(comboChartType, "Chart Type");
chartHelp=new ChartHelp();
content.add(comboChartTypeLabel, new VerticalLayoutData(1, -1,
new Margins(0)));
content.add(chartHelp, new VerticalLayoutData(1,-1, new Margins(0)));
return panel;
}
private void addHandlersForComboChartType(
final LabelProvider<ChartTypeElement> labelProvider) {
comboChartType
.addSelectionHandler(new SelectionHandler<ChartTypeElement>() {
public void onSelection(
SelectionEvent<ChartTypeElement> event) {
Info.display(
"Chart Selected",
"You selected "
+ (event.getSelectedItem() == null ? "nothing"
: labelProvider.getLabel(event
.getSelectedItem())
+ "!"));
Log.debug("ComboChartType selected: "
+ event.getSelectedItem());
ChartTypeElement measureType = event.getSelectedItem();
updateChartType(measureType.getType());
}
});
}
private void updateChartType(ChartType type) {
chartTypeSelected = type;
chartHelp.updateChartType(type);
}
@Override
public void setup() {
Log.debug("ChartSelectionCard Setup");
Command sayNextCard = new Command() {
public void execute() {
Log.debug("ChartSelectionCard Call sayNextCard");
checkData();
}
};
Command sayPreviousCard = new Command() {
public void execute() {
try {
getWizardWindow().previousCard();
getWizardWindow().removeCard(thisCard);
Log.info("Remove ChartSelectionCard");
} catch (Exception e) {
Log.error("sayPreviousCard :" + e.getLocalizedMessage());
}
}
};
getWizardWindow().setPreviousButtonCommand(sayPreviousCard);
getWizardWindow().setNextButtonCommand(sayNextCard);
setEnableBackButton(false);
setEnableNextButton(true);
}
protected void checkData() {
getWizardWindow().setEnableNextButton(false);
getWizardWindow().setEnableBackButton(false);
HideHandler hideHandler = new HideHandler() {
public void onHide(HideEvent event) {
getWizardWindow().setEnableNextButton(true);
getWizardWindow().setEnableBackButton(false);
}
};
if(chartTypeSelected==null){
AlertMessageBox d = new AlertMessageBox("Attention",
"No chart selected");
d.addHideHandler(hideHandler);
d.setModal(false);
d.show();
return;
}
switch (chartTypeSelected) {
case TopRating:
checkTopRating();
break;
default:
AlertMessageBox d = new AlertMessageBox("Attention",
"No chart selected");
d.addHideHandler(hideHandler);
d.setModal(false);
d.show();
break;
}
}
protected void checkTopRating() {
String tableTypeName = chartSession.getTrId().getTableTypeName();
if (tableTypeName.compareTo(TableType.DATASET.toString()) == 0) {
try {
ChartTopRatingSession chartTopRatingSession = new ChartTopRatingSession();
chartTopRatingSession.setTrId(chartSession.getTrId());
TopRatingColumnSelectionCard topRatingColumnSelectionCard = new TopRatingColumnSelectionCard(
chartSession, chartTopRatingSession);
getWizardWindow().addCard(topRatingColumnSelectionCard);
getWizardWindow().nextCard();
} catch (Exception e) {
Log.error("sayNextCard :" + e.getLocalizedMessage());
}
} else {
AlertMessageBox d = new AlertMessageBox("Attention",
"Chart not applicable, table is not a Dataset!");
d.addHideHandler(new HideHandler() {
public void onHide(HideEvent event) {
getWizardWindow().setEnableNextButton(true);
getWizardWindow().setEnableBackButton(false);
}
});
d.setModal(false);
d.show();
}
}
@Override
public void dispose() {
}
}