1 files changed, 164 insertions, 0 deletions
diff --git a/src/main/java/com/jsyn/swing/EnvelopeEditorPanel.java b/src/main/java/com/jsyn/swing/EnvelopeEditorPanel.java
new file mode 100644
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--- /dev/null
+++ b/src/main/java/com/jsyn/swing/EnvelopeEditorPanel.java
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2009 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.BorderLayout;
+import java.awt.Button;
+import java.awt.Checkbox;
+import java.awt.CheckboxGroup;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Label;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+
+import javax.swing.JPanel;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+
+public class EnvelopeEditorPanel extends JPanel {
+    EnvelopeEditorBox editor;
+    Checkbox pointsBox;
+    Checkbox sustainBox;
+    Checkbox releaseBox;
+    Checkbox autoBox;
+    Button onButton;
+    Button offButton;
+    Button clearButton;
+    Button yUpButton;
+    Button yDownButton;
+    DoubleBoundedTextField zoomField;
+
+    public EnvelopeEditorPanel(EnvelopePoints points, int maxFrames) {
+        setSize(600, 300);
+
+        setLayout(new BorderLayout());
+        editor = new EnvelopeEditorBox();
+        editor.setMaxPoints(maxFrames);
+        editor.setBackground(Color.cyan);
+        editor.setPoints(points);
+        editor.setMinimumSize(new Dimension(500, 300));
+
+        add(editor, "Center");
+
+        JPanel buttonPanel = new JPanel();
+        add(buttonPanel, "South");
+
+        CheckboxGroup cbg = new CheckboxGroup();
+        pointsBox = new Checkbox("points", cbg, true);
+        pointsBox.addItemListener(new ItemListener() {
+            @Override
+            public void itemStateChanged(ItemEvent e) {
+                editor.setMode(EnvelopeEditorBox.EDIT_POINTS);
+            }
+        });
+        buttonPanel.add(pointsBox);
+
+        sustainBox = new Checkbox("onLoop", cbg, false);
+        sustainBox.addItemListener(new ItemListener() {
+            @Override
+            public void itemStateChanged(ItemEvent e) {
+                editor.setMode(EnvelopeEditorBox.SELECT_SUSTAIN);
+            }
+        });
+        buttonPanel.add(sustainBox);
+
+        releaseBox = new Checkbox("offLoop", cbg, false);
+        releaseBox.addItemListener(new ItemListener() {
+            @Override
+            public void itemStateChanged(ItemEvent e) {
+                editor.setMode(EnvelopeEditorBox.SELECT_RELEASE);
+            }
+        });
+        buttonPanel.add(releaseBox);
+
+        autoBox = new Checkbox("AutoStop", false);
+        /*
+         * buttonPanel.add( onButton = new Button( "On" ) ); onButton.addActionListener( module );
+         * buttonPanel.add( offButton = new Button( "Off" ) ); offButton.addActionListener( module
+         * ); buttonPanel.add( clearButton = new Button( "Clear" ) ); clearButton.addActionListener(
+         * module );
+         */
+        buttonPanel.add(yUpButton = new Button("Y*2"));
+        yUpButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                scaleEnvelopeValues(2.0);
+            }
+        });
+
+        buttonPanel.add(yDownButton = new Button("Y/2"));
+        yDownButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                scaleEnvelopeValues(0.5);
+            }
+        });
+
+        /* Add a TextField for setting the Y scale. */
+        double max = getMaxEnvelopeValue(editor.getPoints());
+        editor.setMaxWorldY(max);
+        buttonPanel.add(new Label("YMax ="));
+        final DoubleBoundedRangeModel model = new DoubleBoundedRangeModel("YMax", 100000, 1.0,
+                100001.0, 1.0);
+        buttonPanel.add(zoomField = new DoubleBoundedTextField(model, 8));
+        model.addChangeListener(new ChangeListener() {
+            @Override
+            public void stateChanged(ChangeEvent e) {
+                try {
+                    double val = model.getDoubleValue();
+                    editor.setMaxWorldY(val);
+                    editor.repaint();
+                } catch (NumberFormatException exp) {
+                    zoomField.setText("ERROR");
+                    zoomField.selectAll();
+                }
+            }
+        });
+
+        validate();
+    }
+
+    /**
+     * Multiply all the values in the envelope by scalar.
+     */
+    double getMaxEnvelopeValue(EnvelopePoints points) {
+        double max = 1.0;
+        for (int i = 0; i < points.size(); i++) {
+            double value = points.getValue(i);
+            if (value > max) {
+                max = value;
+            }
+        }
+        return max;
+    }
+
+    /**
+     * Multiply all the values in the envelope by scalar.
+     */
+    void scaleEnvelopeValues(double scalar) {
+        EnvelopePoints points = editor.getPoints();
+        for (int i = 0; i < points.size(); i++) {
+            double[] dar = points.getPoint(i);
+            dar[1] = dar[1] * scalar; // scale value
+        }
+        points.setDirty(true);
+        editor.repaint();
+    }
+}