/* Copyright (c) 2010, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
package com.cburch.draw.toolbar;
import java.awt.BorderLayout;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JPanel;
public class Toolbar extends JPanel {
public static final Object VERTICAL = new Object();
public static final Object HORIZONTAL = new Object();
private class MyListener implements ToolbarModelListener {
public void toolbarAppearanceChanged(ToolbarModelEvent event) {
repaint();
}
public void toolbarContentsChanged(ToolbarModelEvent event) {
computeContents();
}
}
private ToolbarModel model;
private JPanel subpanel;
private Object orientation;
private MyListener myListener;
private ToolbarButton curPressed;
public Toolbar(ToolbarModel model) {
super(new BorderLayout());
this.subpanel = new JPanel();
this.model = model;
this.orientation = HORIZONTAL;
this.myListener = new MyListener();
this.curPressed = null;
this.add(new JPanel(), BorderLayout.CENTER);
setOrientation(HORIZONTAL);
computeContents();
if (model != null) model.addToolbarModelListener(myListener);
}
public ToolbarModel getToolbarModel() {
return model;
}
public void setToolbarModel(ToolbarModel value) {
ToolbarModel oldValue = model;
if (value != oldValue) {
if (oldValue != null) oldValue.removeToolbarModelListener(myListener);
if (value != null) value.addToolbarModelListener(myListener);
model = value;
computeContents();
}
}
public void setOrientation(Object value) {
int axis;
String position;
if (value == HORIZONTAL) {
axis = BoxLayout.X_AXIS;
position = BorderLayout.LINE_START;
} else if (value == VERTICAL) {
axis = BoxLayout.Y_AXIS;
position = BorderLayout.NORTH;
} else {
throw new IllegalArgumentException();
}
this.remove(subpanel);
subpanel.setLayout(new BoxLayout(subpanel, axis));
this.add(subpanel, position);
this.orientation = value;
}
private void computeContents() {
subpanel.removeAll();
ToolbarModel m = model;
if (m != null) {
for (ToolbarItem item : m.getItems()) {
subpanel.add(new ToolbarButton(this, item));
}
subpanel.add(Box.createGlue());
}
revalidate();
}
ToolbarButton getPressed() {
return curPressed;
}
void setPressed(ToolbarButton value) {
ToolbarButton oldValue = curPressed;
if (oldValue != value) {
curPressed = value;
if (oldValue != null) oldValue.repaint();
if (value != null) value.repaint();
}
}
Object getOrientation() {
return orientation;
}
}