Hello Guys,
I get the following Error Message, if I try to run the chart example
from the page http://www.gwt-ext.com/demo-charts/#lineChart ... I
included the source code in my projekt , I only rename the
source to StringCounterClient, dont ask why :) !
The Error Message is:
[ERROR] Unable to load module entry point class
se1.gwt.client.StringCounterClient (see associated exception for
details)
com.google.gwt.core.client.JavaScriptException: (TypeError):
'$wnd.Ext.StatusBar' ist Null oder kein Objekt
number: -2146823281
description: '$wnd.Ext.StatusBar' ist Null oder kein Objekt
at com.gwtext.client.widgets.Component.checkExtVer(Native Method)
at com.gwtext.client.widgets.Component.<clinit>(Component.java:108)
the secon error Message is:
[ERROR] Failure to load module 'se1.gwt.StringCounterClient'
I get this messages on the the shell (Web-Browser) if i want to run
the projekt as a gwt application
...
Technical details:
I use:
Eclipse 3.4.1
GWT: 1.5.3
GWT-EXT: 2.0.5.3
this is the source code of GWT-EXT Charts, with the changes from me on
line 18:
package se1.gwt.client;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.i18n.client.NumberFormat;
import com.gwtext.client.data.*;
import com.gwtext.client.widgets.Panel;
import com.gwtext.client.widgets.Viewport;
import com.gwtext.client.widgets.chart.yui.LineChart;
import com.gwtext.client.widgets.chart.yui.NumericAxis;
import com.gwtext.client.widgets.chart.yui.SeriesDefY;
import com.gwtext.client.widgets.form.NumberField;
import com.gwtext.client.widgets.form.TextField;
import com.gwtext.client.widgets.grid.*;
import
com.gwtext.client.widgets.grid.event.EditorGridListenerAdapter;
import com.gwtext.client.widgets.layout.VerticalLayout;
public class StringCounterClient implements EntryPoint {
public void onModuleLoad() {
Panel panel = new Panel();
panel.setPaddings(15);
panel.setLayout(new VerticalLayout(15));
MemoryProxy proxy = new MemoryProxy(getData());
RecordDef recordDef = new RecordDef(
new FieldDef[]{
new StringFieldDef("month"),
new FloatFieldDef("rent"),
new FloatFieldDef("utilities")
}
);
ArrayReader reader = new ArrayReader(recordDef);
final Store store = new Store(proxy, reader);
store.load();
SeriesDefY[] seriesDef = new SeriesDefY[]{
new SeriesDefY("Rent", "rent"),
new SeriesDefY("Utilities", "utilities")
};
NumericAxis currencyAxis = new NumericAxis();
currencyAxis.setMinimum(800);
currencyAxis.setLabelFunction("formatCurrencyAxisLabel");
final LineChart chart = new LineChart();
chart.setTitle("Monthly Expenses");
chart.setWMode("transparent");
chart.setStore(store);
chart.setSeries(seriesDef);
chart.setXField("month");
chart.setYAxis(currencyAxis);
chart.setDataTipFunction("getDataTipText");
chart.setExpressInstall("js/yui/assets/
expressinstall.swf");
chart.setWidth(500);
chart.setHeight(400);
panel.add(chart);
Renderer renderer = new Renderer() {
public String render(Object value, CellMetadata
cellMetadata, Record record, int rowIndex, int colNum, Store store)
{
NumberFormat nf = NumberFormat.getCurrencyFormat();
return nf.format(((Number) value).doubleValue());
}
};
ColumnConfig monthConfig = new ColumnConfig("Month", "month",
150, true);
TextField monthField = new TextField();
monthField.setSelectOnFocus(true);
monthConfig.setEditor(new GridEditor(monthField));
NumberField rentField = new NumberField();
rentField.setSelectOnFocus(true);
ColumnConfig rentConfig = new ColumnConfig("Rent", "rent",
100, true);
rentConfig.setEditor(new GridEditor(rentField));
rentConfig.setRenderer(renderer);
NumberField utilitiesField = new NumberField();
utilitiesField.setSelectOnFocus(true);
ColumnConfig utilitiesConfig = new ColumnConfig("Utilities",
"utilities", 100, true);
utilitiesConfig.setEditor(new GridEditor(utilitiesField));
utilitiesConfig.setRenderer(renderer);
ColumnModel columnModel = new ColumnModel(new ColumnConfig[]
{
monthConfig,
rentConfig,
utilitiesConfig
});
EditorGridPanel grid = new EditorGridPanel();
grid.setStore(store);
grid.setClicksToEdit(1);
grid.setColumnModel(columnModel);
grid.setWidth(360);
grid.addEditorGridListener(new EditorGridListenerAdapter()
{
public void onAfterEdit(GridPanel grid, Record record,
String field, Object newValue, Object oldValue, int rowIndex, int
colIndex) {
store.commitChanges();
chart.refresh();
}
});
panel.add(grid);
Viewport viewport = new Viewport(panel);
}
private static Object[][] getData() {
return new Object[][]{
new Object[]{"January", new Double(880.00), new Double
(894.68)},
new Object[]{"February", new Double(880.00), new
Double(901.35)},
new Object[]{"March", new Double(880.00), new Double
(889.32)},
new Object[]{"April", new Double(880.00), new Double
(884.71)},
new Object[]{"May", new Double(910.00), new Double
(879.811)},
new Object[]{"June", new Double(910.00), new Double
(897.95)}
};
}
}
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