IT개인사업자 40대 한국아빠 무조건 기록: GXT 3.0에서의 Chart 구현

BarChart.gwt.xml---------------------------------------------------------------------------------------

<?xml version="1.0" encoding="UTF-8"?>
<module rename-to='barchart'>
<inherits name='com.google.gwt.user.User'/>

<entry-point class='com.bangtae.chart.client.BarChart'/>

BarChart.java---------------------------------------------------------------------------------------

package com.bangtae.chart.client;

import com.bangtae.chart.client.Data;

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.user.client.Timer;
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.draw.Gradient;
import com.sencha.gxt.chart.client.draw.RGB;
import com.sencha.gxt.chart.client.draw.sprite.TextSprite;
import com.sencha.gxt.core.client.ValueProvider;
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.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.Resizable.Dir;
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.CollapseEvent;
import com.sencha.gxt.widget.core.client.event.ExpandEvent;
import com.sencha.gxt.widget.core.client.event.SelectEvent;
import com.sencha.gxt.widget.core.client.event.CollapseEvent.CollapseHandler;
import com.sencha.gxt.widget.core.client.event.ExpandEvent.ExpandHandler;
import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
import com.bangtae.chart.client.TestData;

public class BarChart implements IsWidget, EntryPoint {

//Bean 바인딩
public interface DataPropertyAccess extends PropertyAccess<Data>{
ValueProvider<Data, Double> data1();

ValueProvider<Data, String> name();

     @Path("name")
     ModelKeyProvider<Data> nameKey();

}//DataPropertyAccess

private static final DataPropertyAccess dataAccess = GWT.create(DataPropertyAccess.class);
private Timer update;

public Widget asWidget(){

  final ListStore<Data> store = new ListStore<Data>(dataAccess.nameKey());
  //Test Data 가져오기
  store.addAll(TestData.getData(12, 0, 100)); //int size, double min, double scale

     final Chart<Data> chart = new Chart<Data>();
     chart.setStore(store);
     chart.setShadowChart(false);

     //Chart Background, Gradient
     Gradient background = new Gradient("backgroundGradient", 0);
     background.addStop(0, new RGB("#ffffff"));
     background.addStop(100, new RGB("#eaf1f8"));
     chart.addGradient(background);
     chart.setBackground(background);

     //XAxis, Configuration
     NumericAxis<Data> axis = new NumericAxis<Data>();
     axis.setPosition(Position.BOTTOM);
     axis.addField(dataAccess.data1());
     TextSprite title = new TextSprite("Number of Hits");
     title.setFontSize(18);
     axis.setTitleConfig(title);
     axis.setDisplayGrid(true);
     axis.setMinimum(0);
     axis.setMaximum(100);
     chart.addAxis(axis);

     //YAxis, Configuration
     CategoryAxis<Data, String> catAxis = new CategoryAxis<Data, String>();
     catAxis.setPosition(Position.LEFT);
     catAxis.setField(dataAccess.name());
     title = new TextSprite("Month of the Year");
     title.setFontSize(18);
     catAxis.setTitleConfig(title);
     chart.addAxis(catAxis);

     //Bar, Configuration
     final BarSeries<Data> bar = new BarSeries<Data>();
     bar.setYAxisPosition(Position.BOTTOM);
     bar.addYField(dataAccess.data1());
     bar.addColor(new RGB(145,10,5));
     bar.setHighlighting(true);
     chart.addSeries(bar);

     update = new Timer() {

   @Override
   public void run() {
          store.clear();
          store.addAll(TestData.getData(12, 0, 100));
          chart.redrawChart();
   }
  };

  update.scheduleRepeating(1000);

/*     TextButton regenerate = new TextButton("Reload Data");
     regenerate.addSelectHandler(new SelectHandler() {
       public void onSelect(SelectEvent event) {
         store.clear();
         store.addAll(TestData.getData(12, 0, 100));
         chart.redrawChart();
       }
     });

     ToggleButton animation = new ToggleButton("Animate");
     animation.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
       public void onValueChange(ValueChangeEvent<Boolean> event) {
         chart.setAnimated(event.getValue());
       }
     });
     animation.setValue(true, true);
     ToggleButton shadow = new ToggleButton("Shadow");
     shadow.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
       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("Bar Chart");
     panel.setPixelSize(620, 500);
     panel.setBodyBorder(true);

     final Resizable resize = new Resizable(panel, Dir.E, Dir.SE, Dir.S);
     resize.setMinHeight(400);
     resize.setMinWidth(400);

/*     panel.addExpandHandler(new ExpandHandler() {
         public void onExpand(ExpandEvent event) {
           resize.setEnabled(true);
         }
       });
       panel.addCollapseHandler(new CollapseHandler() {
         public void onCollapse(CollapseEvent event) {
           resize.setEnabled(false);
         }
       });
       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;
}//asWidget

@Override
public void onModuleLoad() {
  // TODO Auto-generated method stub
  RootPanel.get().add(asWidget());
}

}//BarChart

IT개인사업자 40대 한국아빠 무조건 기록

2020년 12월 2일 수요일

GXT 3.0에서의 Chart 구현

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