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authorPhil Burk <[email protected]>2014-12-30 16:53:03 -0800
committerPhil Burk <[email protected]>2014-12-30 16:53:03 -0800
commit534969d42ca5168d645678345cd21242fe41f389 (patch)
treee8f5d1cba1ec57685e76ceb923d8da25a7846cfb /src/com/jsyn/swing/DoubleBoundedTextField.java
parenta4d8ca95178d2e3acfc3299a4b73e84c2646d24e (diff)
Initial commit of code.
Diffstat (limited to 'src/com/jsyn/swing/DoubleBoundedTextField.java')
-rw-r--r--src/com/jsyn/swing/DoubleBoundedTextField.java96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/com/jsyn/swing/DoubleBoundedTextField.java b/src/com/jsyn/swing/DoubleBoundedTextField.java
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+/*
+ * Copyright 2000 Phil Burk, Mobileer Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.jsyn.swing;
+
+import java.awt.Color;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+
+import javax.swing.JTextField;
+import javax.swing.SwingConstants;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+
+import com.softsynth.util.NumericOutput;
+
+/**
+ * TextField that turns pink when modified, and white when the value is entered.
+ *
+ * @author (C) 2000-2010 Phil Burk, Mobileer Inc
+ * @version 16
+ */
+
+public class DoubleBoundedTextField extends JTextField {
+ private static final long serialVersionUID = 6882779668177620812L;
+ boolean modified = false;
+ int numCharacters;
+ private DoubleBoundedRangeModel model;
+
+ public DoubleBoundedTextField(DoubleBoundedRangeModel pModel, int numCharacters) {
+ super(numCharacters);
+ this.model = pModel;
+ this.numCharacters = numCharacters;
+ setHorizontalAlignment(SwingConstants.LEADING);
+ setValue(model.getDoubleValue());
+ addKeyListener(new KeyAdapter() {
+ @Override
+ public void keyTyped(KeyEvent e) {
+ if (e.getKeyChar() == '\n') {
+ model.setDoubleValue(getValue());
+ } else {
+ markDirty();
+ }
+ }
+ });
+ model.addChangeListener(new ChangeListener() {
+ @Override
+ public void stateChanged(ChangeEvent e) {
+ setValue(model.getDoubleValue());
+ }
+ });
+ }
+
+ private void markDirty() {
+ modified = true;
+ setBackground(Color.pink);
+ repaint();
+ }
+
+ private void markClean() {
+ modified = false;
+ setBackground(Color.white);
+ setCaretPosition(0);
+ repaint();
+ }
+
+ @Override
+ public void setText(String text) {
+ markDirty();
+ super.setText(text);
+ }
+
+ private double getValue() throws NumberFormatException {
+ double val = Double.valueOf(getText()).doubleValue();
+ markClean();
+ return val;
+ }
+
+ private void setValue(double value) {
+ super.setText(NumericOutput.doubleToString(value, 1, 4));
+ markClean();
+ }
+}