From 254ee6f47eebfc00462c10756a92066e82cc1a96 Mon Sep 17 00:00:00 2001
From: Andrew Branson <andrew@andrewbranson.net>
Date: Tue, 21 Jun 2011 15:46:02 +0200
Subject: Initial commit

---
 .../tabs/outcome/form/field/IntegerEditField.java  | 113 +++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100755 source/com/c2kernel/gui/tabs/outcome/form/field/IntegerEditField.java

(limited to 'source/com/c2kernel/gui/tabs/outcome/form/field/IntegerEditField.java')

diff --git a/source/com/c2kernel/gui/tabs/outcome/form/field/IntegerEditField.java b/source/com/c2kernel/gui/tabs/outcome/form/field/IntegerEditField.java
new file mode 100755
index 0000000..7c858a4
--- /dev/null
+++ b/source/com/c2kernel/gui/tabs/outcome/form/field/IntegerEditField.java
@@ -0,0 +1,113 @@
+package com.c2kernel.gui.tabs.outcome.form.field;
+
+import java.awt.Toolkit;
+import java.math.BigInteger;
+
+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: 1.4 $
+ * $Date: 2005/08/16 13:59:56 $
+ *
+ * Copyright (C) 2003 CERN - European Organization for Nuclear Research
+ * All rights reserved.
+ **************************************************************************/
+public class IntegerEditField extends StringEditField {
+    
+    public IntegerEditField() {
+        super();
+        field.setToolTipText("This field must contains a whole number e.g. 3");
+    }
+
+    public String getText() {
+        return field.getText();
+    }
+
+    public void setText(String text) {
+        field.setText(text);
+    }
+
+    public String getDefaultValue() {
+        return "0";
+    }
+    
+    public JTextComponent makeTextField() {
+        return new IntegerTextField();
+    }
+    
+    private class IntegerTextField extends JTextField {
+
+        public IntegerTextField() {
+            super();
+            setHorizontalAlignment(RIGHT);
+        }
+        protected Document createDefaultModel() {
+            return new IntegerDocument();
+        }
+    }
+    
+    private class IntegerDocument extends PlainDocument {
+
+        BigInteger currentVal = new BigInteger("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 BigInteger parse(String proposedResult) throws NumberFormatException {
+
+            BigInteger value = new BigInteger("0");
+            if ( proposedResult.length() != 0) {
+                value =  new BigInteger(proposedResult);      
+            }
+            return value;
+        }
+    }
+}
-- 
cgit v1.2.3