/**
* Sencha GXT 3.0.0b - Sencha for GWT
* Copyright(c) 2007-2012, Sencha, Inc.
* licensing@sencha.com
*
* http://www.sencha.com/products/gxt/license/
*/
package com.sencha.gxt.explorer.client.chart;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.editor.client.Editor.Path;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.Widget;
import com.sencha.gxt.chart.client.chart.Chart;
import com.sencha.gxt.chart.client.chart.Chart.Position;
import com.sencha.gxt.chart.client.chart.axis.CategoryAxis;
import com.sencha.gxt.chart.client.chart.axis.NumericAxis;
import com.sencha.gxt.chart.client.chart.series.BarSeries;
import com.sencha.gxt.chart.client.chart.series.LineSeries;
import com.sencha.gxt.chart.client.chart.series.Primitives;
import com.sencha.gxt.chart.client.chart.series.SeriesLabelProvider;
import com.sencha.gxt.chart.client.chart.series.SeriesToolTipConfig;
import com.sencha.gxt.chart.client.draw.Gradient;
import com.sencha.gxt.chart.client.draw.RGB;
import com.sencha.gxt.chart.client.draw.Stop;
import com.sencha.gxt.chart.client.draw.sprite.Sprite;
import com.sencha.gxt.chart.client.draw.sprite.TextSprite;
import com.sencha.gxt.core.client.ValueProvider;
import com.sencha.gxt.data.shared.LabelProvider;
import com.sencha.gxt.data.shared.ListStore;
import com.sencha.gxt.data.shared.ModelKeyProvider;
import com.sencha.gxt.data.shared.PropertyAccess;
import com.sencha.gxt.examples.resources.client.TestData;
import com.sencha.gxt.examples.resources.client.model.Data;
import com.sencha.gxt.explorer.client.model.Example.Detail;
import com.sencha.gxt.fx.client.Draggable;
import com.sencha.gxt.widget.core.client.ContentPanel;
import com.sencha.gxt.widget.core.client.FramedPanel;
import com.sencha.gxt.widget.core.client.Resizable;
import com.sencha.gxt.widget.core.client.button.TextButton;
import com.sencha.gxt.widget.core.client.button.ToggleButton;
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.SelectEvent;
import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
@Detail(name = "Blue Chart", icon = "bluechart", category = "Charts", classes = Data.class)
public class BlueChartExample implements IsWidget, EntryPoint {
public interface DataPropertyAccess extends PropertyAccess<Data> {
ValueProvider<Data, Double> data1();
ValueProvider<Data, Double> data2();
ValueProvider<Data, String> name();
@Path("name")
ModelKeyProvider<Data> nameKey();
}
private static final DataPropertyAccess dataAccess = GWT.create(DataPropertyAccess.class);
public Widget asWidget() {
final ListStore<Data> store = new ListStore<Data>(dataAccess.nameKey());
store.addAll(TestData.getData(12, 20, 100));
final Chart<Data> chart = new Chart<Data>();
chart.setStore(store);
chart.setDefaultInsets(30);
chart.setShadowChart(true);
NumericAxis<Data> axis = new NumericAxis<Data>();
axis.setPosition(Position.LEFT);
axis.addField(dataAccess.data1());
axis.addField(dataAccess.data2());
axis.setDisplayGrid(true);
axis.setMinimum(0);
axis.setMaximum(100);
TextSprite text = new TextSprite();
text.setFont("Arial");
text.setFontSize(10);
axis.setLabelConfig(text);
chart.addAxis(axis);
CategoryAxis<Data, String> catAxis = new CategoryAxis<Data, String>();
catAxis.setPosition(Position.BOTTOM);
catAxis.setField(dataAccess.name());
text = text.copy();
text.setFontSize(11);
catAxis.setDisplayGrid(true);
catAxis.setLabelConfig(text);
catAxis.setLabelProvider(new LabelProvider<String>() {
@Override
public String getLabel(String item) {
return item.substring(0, 3);
}
});
chart.addAxis(catAxis);
Gradient gradient = new Gradient("bar-gradient", 90);
gradient.addStop(new Stop(0, new RGB("#99BBE8")));
gradient.addStop(new Stop(70, new RGB("#77AECE")));
gradient.addStop(new Stop(100, new RGB("#77AECE")));
chart.addGradient(gradient);
final BarSeries<Data> bar = new BarSeries<Data>();
bar.setYAxisPosition(Position.LEFT);
bar.addYField(dataAccess.data1());
bar.setColumn(true);
bar.addColor(gradient);
chart.addSeries(bar);
final LineSeries<Data> line = new LineSeries<Data>();
line.setYAxisPosition(Position.LEFT);
line.setYField(dataAccess.data2());
line.setStroke(new RGB("#18428E"));
line.setStrokeWidth(3);
line.setShowMarkers(true);
Sprite marker = Primitives.circle(0, 0, 4);
marker.setFill(new RGB("#18428E"));
line.setMarkerConfig(marker);
SeriesToolTipConfig<Data> tooltip = new SeriesToolTipConfig<Data>();
tooltip.setLabelProvider(new SeriesLabelProvider<Data>() {
@Override
public String getLabel(Data item, ValueProvider<? super Data, ? extends Number> valueProvider) {
return NumberFormat.getFormat("0").format(dataAccess.data2().getValue(item)) + " visits in "
+ dataAccess.name().getValue(item);
}
});
tooltip.setDismissDelay(2000);
line.setToolTipConfig(tooltip);
chart.addSeries(line);
TextButton regenerate = new TextButton("Reload Data");
regenerate.addSelectHandler(new SelectHandler() {
@Override
public void onSelect(SelectEvent event) {
store.clear();
store.addAll(TestData.getData(12, 20, 100));
chart.redrawChart();
}
});
ToggleButton animation = new ToggleButton("Animate");
animation.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
@Override
public void onValueChange(ValueChangeEvent<Boolean> event) {
chart.setAnimated(event.getValue());
}
});
animation.setValue(true, true);
ToggleButton shadow = new ToggleButton("Shadow");
shadow.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
@Override
public void onValueChange(ValueChangeEvent<Boolean> event) {
chart.setShadowChart(event.getValue());
chart.redrawChart();
}
});
shadow.setValue(true);
ToolBar toolBar = new ToolBar();
toolBar.add(regenerate);
toolBar.add(animation);
toolBar.add(shadow);
ContentPanel panel = new FramedPanel();
panel.getElement().getStyle().setMargin(10, Unit.PX);
panel.setCollapsible(true);
panel.setHeadingText("Blue Chart");
panel.setPixelSize(620, 500);
panel.setBodyBorder(true);
Resizable resize = new Resizable(panel);
resize.setMinHeight(400);
resize.setMinWidth(400);
new Draggable(panel, panel.getHeader()).setUseProxy(false);
VerticalLayoutContainer layout = new VerticalLayoutContainer();
panel.add(layout);
toolBar.setLayoutData(new VerticalLayoutData(1, -1));
layout.add(toolBar);
chart.setLayoutData(new VerticalLayoutData(1, 1));
layout.add(chart);
return panel;
}
public void onModuleLoad() {
RootPanel.get().add(asWidget());
}
}