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Fix the issue with big numbers in MDoubleBox #253

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merged 1 commit into from
Apr 18, 2015
Merged

Fix the issue with big numbers in MDoubleBox #253

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37 changes: 35 additions & 2 deletions src/main/java/com/googlecode/mgwt/ui/client/widget/input/MDoubleBox.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,13 @@
*/
package com.googlecode.mgwt.ui.client.widget.input;

import com.google.gwt.dom.client.Document;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.user.client.ui.DoubleBox;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.text.client.DoubleParser;
import com.google.gwt.text.shared.AbstractRenderer;
import com.google.gwt.text.shared.Renderer;
import com.google.gwt.user.client.ui.ValueBox;

import com.googlecode.mgwt.ui.client.widget.base.MValueBoxBase;

Expand All @@ -27,11 +32,13 @@
*/
public class MDoubleBox extends MValueBoxBase<Double> {

private static class SDoubleBox extends DoubleBox implements HasSource {
private static class SDoubleBox extends ValueBox<Double> implements HasSource {

private Object source;

public SDoubleBox() {
super(Document.get().createTextInputElement(), DoubleRenderer.instance(),
DoubleParser.instance());
setStylePrimaryName("gwt-DoubleBox");
}

Expand All @@ -54,4 +61,30 @@ public MDoubleBox(InputAppearance appearance) {
impl.setType(box.getElement(), "number");
addStyleName(appearance.css().textBox());
}

public static class DoubleRenderer extends AbstractRenderer<Double> {
private static DoubleRenderer INSTANCE;
private static NumberFormat formatter = NumberFormat.getFormat("#.###");

/**
* Returns the instance.
*/
public static Renderer<Double> instance() {
if (INSTANCE == null) {
INSTANCE = new DoubleRenderer();
}
return INSTANCE;
}

protected DoubleRenderer() {
}

public String render(Double object) {
if (object == null) {
return "";
}

return formatter.format(object);
}
}
}