diff options
author | Phil Burk <[email protected]> | 2014-12-30 16:53:03 -0800 |
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committer | Phil Burk <[email protected]> | 2014-12-30 16:53:03 -0800 |
commit | 534969d42ca5168d645678345cd21242fe41f389 (patch) | |
tree | e8f5d1cba1ec57685e76ceb923d8da25a7846cfb /src/com/jsyn/swing/DoubleBoundedTextField.java | |
parent | a4d8ca95178d2e3acfc3299a4b73e84c2646d24e (diff) |
Initial commit of code.
Diffstat (limited to 'src/com/jsyn/swing/DoubleBoundedTextField.java')
-rw-r--r-- | src/com/jsyn/swing/DoubleBoundedTextField.java | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/com/jsyn/swing/DoubleBoundedTextField.java b/src/com/jsyn/swing/DoubleBoundedTextField.java new file mode 100644 index 0000000..9605ae1 --- /dev/null +++ b/src/com/jsyn/swing/DoubleBoundedTextField.java @@ -0,0 +1,96 @@ +/* + * 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(); + } +} |