Code:
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.logging.Logger;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.editor.client.Editor.Path;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
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.core.client.GXT;
import com.sencha.gxt.core.client.ValueProvider;
import com.sencha.gxt.core.client.util.DateWrapper;
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.state.client.CookieProvider;
import com.sencha.gxt.state.client.GridStateHandler;
import com.sencha.gxt.state.client.StateManager;
import com.sencha.gxt.widget.core.client.ContentPanel;
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.grid.ColumnConfig;
import com.sencha.gxt.widget.core.client.grid.ColumnModel;
import com.sencha.gxt.widget.core.client.grid.Grid;
import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
public class GridStateManagerExample implements IsWidget, EntryPoint {
private static Logger log = Logger.getLogger("GridStateManagerExample");
private static final StockProperties props = GWT.create(StockProperties.class);
private ContentPanel panel;
@Override
public Widget asWidget() {
if (panel == null) {
ColumnConfig<Stock, String> nameCol = new ColumnConfig<Stock, String>(props.name(), 50,
SafeHtmlUtils.fromTrustedString("<b>Company</b>"));
ColumnConfig<Stock, String> symbolCol = new ColumnConfig<Stock, String>(props.symbol(), 100, "Symbol");
ColumnConfig<Stock, Double> lastCol = new ColumnConfig<Stock, Double>(props.last(), 75, "Last");
ColumnConfig<Stock, Date> lastTransCol = new ColumnConfig<Stock, Date>(props.lastTrans(), 100, "Last Updated");
List<ColumnConfig<Stock, ?>> columns = new ArrayList<ColumnConfig<Stock, ?>>();
columns.add(nameCol);
columns.add(symbolCol);
columns.add(lastCol);
columns.add(lastTransCol);
ColumnModel<Stock> cm = new ColumnModel<Stock>(columns);
ListStore<Stock> store = new ListStore<Stock>(props.key());
store.addAll(getStocks());
log.info("Creating Grid instance...");
final Grid<Stock> grid = new Grid<Stock>(store, cm);
grid.setAllowTextSelection(true);
grid.getView().setAutoExpandColumn(nameCol);
grid.getView().setStripeRows(true);
grid.getView().setColumnLines(true);
grid.setBorders(false);
grid.setColumnReordering(true);
// Stage manager, turn on state management
log.info("Setting up grid state");
grid.setStateful(true);
grid.setStateId("gridExample");
// Stage manager, load previous state
log.info("Loading grid state");
GridStateHandler<Stock> state = new GridStateHandler<Stock>(grid);
state.loadState();
ToolBar toolBar = new ToolBar();
toolBar.setEnableOverflow(false);
log.info("Attaching grid to panel");
VerticalLayoutContainer con = new VerticalLayoutContainer();
con.add(toolBar, new VerticalLayoutData(1, -1));
con.add(grid, new VerticalLayoutData(1, 1));
panel = new ContentPanel();
panel.setHeadingText("Basic Grid");
panel.setPixelSize(600, 300);
panel.addStyleName("margin-10");
panel.setWidget(con);
}
return panel;
}
@Override
public void onModuleLoad() {
// State manager, initialize the state options
StateManager.get().setProvider(new CookieProvider("/", null, null, GXT.isSecure()));
RootPanel.get().add(asWidget());
}
public interface StockProperties extends PropertyAccess<Stock> {
@Path("id")
ModelKeyProvider<Stock> key();
@Path("name")
LabelProvider<Stock> nameLabel();
ValueProvider<Stock, String> name();
ValueProvider<Stock, String> symbol();
ValueProvider<Stock, Double> open();
ValueProvider<Stock, Double> last();
ValueProvider<Stock, Double> change();
ValueProvider<Stock, Date> lastTrans();
ValueProvider<Stock, Boolean> split();
ValueProvider<Stock, String> industry();
}
private static int COUNTER;
public class Stock implements Serializable {
private Integer id;
private Double change;
private Date date = new Date();
private String industry = getType();
private Double last;
private String name;
private Double open;
private String symbol;
private boolean split = Boolean.valueOf(Math.random() > .5);
public Stock() {
this.id = Integer.valueOf(COUNTER++);
}
public Stock(String name, String symbol, double open, double last, Date date) {
this();
this.name = name;
this.symbol = symbol;
this.change = last - open;
this.open = open;
this.last = last;
this.date = date;
}
public Double getChange() {
return change;
}
public Integer getId() {
return id;
}
public String getIndustry() {
return industry;
}
public Double getLast() {
return last;
}
public Date getLastTrans() {
return date;
}
public String getName() {
return name;
}
public Double getOpen() {
return open;
}
/**
* Read-only property, based on other values
*
* @return the percent change
*/
public double getPercentChange() {
return getChange() / getOpen();
}
public String getSymbol() {
return symbol;
}
public boolean isSplit() {
return split;
}
public void setChange(Double change) {
this.change = change;
}
public void setId(Integer id) {
this.id = id;
}
public void setIndustry(String industry) {
this.industry = industry;
}
public void setLast(Double last) {
this.last = last;
}
public void setLastTrans(Date date) {
this.date = date;
}
public void setName(String name) {
this.name = name;
}
public void setOpen(Double open) {
this.open = open;
}
public void setSplit(boolean split) {
this.split = split;
}
public void setSymbol(String symbol) {
this.symbol = symbol;
}
public String toString() {
return getName();
}
private String getType() {
double r = Math.random();
if (r <= .25) {
return "Auto";
} else if (r > .25 && r <= .50) {
return "Media";
} else if (r > .5 && r <= .75) {
return "Medical";
} else {
return "Tech";
}
}
}
public List<Stock> getStocks() {
List<Stock> stocks = new ArrayList<Stock>();
stocks.add(new Stock("Apple Inc.", "AAPL", 125.64, 123.43, randomDate()));
stocks.add(new Stock("cisco Systems, Inc.", "CSCO", 25.84, 26.3, randomDate()));
stocks.add(new Stock("Cisco Inc.", "GOOG", 516.2, 512.6, randomDate()));
stocks.add(new Stock("Intel Corporation", "INTC", 21.36, 21.53, randomDate()));
stocks.add(new Stock("Level 3 Communications, Inc.", "LVLT", 5.55, 5.54, randomDate()));
stocks.add(new Stock("Microsoft Corporation", "MSFT", 29.56, 29.72, randomDate()));
stocks.add(new Stock("Nokia Corporation (ADR)", "NOK", 27.83, 27.93, randomDate()));
stocks.add(new Stock("Oracle Corporation", "ORCL", 18.73, 18.98, randomDate()));
return stocks;
}
private Date randomDate() {
DateWrapper w = new DateWrapper();
int r = (int) (Math.random() * 10) * 10;
w = w.addDays(-r);
return w.asDate();
}
}
GridStateHandler is not working as expected in IE8
Originally Posted by branflake2267
