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Diffstat (limited to 'source/com/c2kernel/gui/tabs/outcome/form/field/DecimalEditField.java')
-rwxr-xr-xsource/com/c2kernel/gui/tabs/outcome/form/field/DecimalEditField.java115
1 files changed, 115 insertions, 0 deletions
diff --git a/source/com/c2kernel/gui/tabs/outcome/form/field/DecimalEditField.java b/source/com/c2kernel/gui/tabs/outcome/form/field/DecimalEditField.java
new file mode 100755
index 0000000..d77dff3
--- /dev/null
+++ b/source/com/c2kernel/gui/tabs/outcome/form/field/DecimalEditField.java
@@ -0,0 +1,115 @@
+package com.c2kernel.gui.tabs.outcome.form.field;
+
+import java.awt.Toolkit;
+import java.math.BigDecimal;
+
+import javax.swing.JTextField;
+import javax.swing.text.AttributeSet;
+import javax.swing.text.BadLocationException;
+import javax.swing.text.Document;
+import javax.swing.text.JTextComponent;
+import javax.swing.text.PlainDocument;
+
+/**************************************************************************
+ *
+ * $Revision: 1.3 $
+ * $Date: 2005/08/16 13:59:56 $
+ *
+ * Copyright (C) 2003 CERN - European Organization for Nuclear Research
+ * All rights reserved.
+ **************************************************************************/
+public class DecimalEditField extends StringEditField {
+
+ public DecimalEditField() {
+ super();
+ field.addFocusListener(this);
+ field.setToolTipText("This field must contains a decimal number e.g. 3.14159265");
+ }
+
+ public String getText() {
+ return field.getText();
+ }
+
+ public void setText(String text) {
+ field.setText(text);
+ }
+
+ public String getDefaultValue() {
+ return "0.0";
+ }
+
+ public JTextComponent makeTextField() {
+ return new DecimalTextField();
+ }
+
+ private class DecimalTextField extends JTextField {
+
+ public DecimalTextField() {
+ super();
+ setHorizontalAlignment(RIGHT);
+ }
+ protected Document createDefaultModel() {
+ return new Decimal();
+ }
+ }
+
+ private class Decimal extends PlainDocument {
+
+ BigDecimal currentVal = new BigDecimal(0.0);
+
+
+ public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
+
+ if (str == null || str.equals("")) {
+ return;
+ }
+
+ String proposedResult = null;
+
+ if (getLength() == 0) {
+ proposedResult = str;
+ } else {
+ StringBuffer currentBuffer = new StringBuffer( this.getText(0, getLength()) );
+ currentBuffer.insert(offs, str);
+ proposedResult = currentBuffer.toString();
+ }
+
+ try {
+ currentVal = parse(proposedResult);
+ super.insertString(offs, str, a);
+ } catch (Exception e) {
+ Toolkit.getDefaultToolkit().beep();
+ }
+
+ }
+
+ public void remove(int offs, int len) throws BadLocationException {
+
+ String currentText = this.getText(0, getLength());
+ String beforeOffset = currentText.substring(0, offs);
+ String afterOffset = currentText.substring(len + offs, currentText.length());
+ String proposedResult = beforeOffset + afterOffset;
+
+ if (proposedResult.length() == 0) { // empty is ok
+ super.remove(offs, len);
+ return;
+ }
+ try {
+ currentVal = parse(proposedResult);
+ super.remove(offs, len);
+ } catch (Exception e) {
+ Toolkit.getDefaultToolkit().beep();
+ }
+
+ }
+
+ public BigDecimal parse(String proposedResult) throws NumberFormatException {
+
+ BigDecimal value = new BigDecimal(0);
+ if ( proposedResult.length() != 0) {
+ value = new BigDecimal(proposedResult);
+ }
+ return value;
+ }
+ }
+}