Mercurial > hg > graal-compiler
diff visualizer/Settings/src/com/sun/hotspot/igv/settings/ViewOptionsPanelController.java @ 4512:015fb895586b
Moved visualizer to new directory.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 07 Feb 2012 22:41:09 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/visualizer/Settings/src/com/sun/hotspot/igv/settings/ViewOptionsPanelController.java Tue Feb 07 22:41:09 2012 +0100 @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ +package com.sun.hotspot.igv.settings; + +import java.beans.PropertyChangeListener; +import java.beans.PropertyChangeSupport; +import javax.swing.JComponent; +import org.netbeans.spi.options.OptionsPanelController; +import org.openide.util.HelpCtx; +import org.openide.util.Lookup; + +/** + * + * @author Thomas Wuerthinger + */ +final class ViewOptionsPanelController extends OptionsPanelController { + + private ViewPanel panel; + private final PropertyChangeSupport pcs = new PropertyChangeSupport(this); + private boolean changed; + + @Override + public void update() { + getPanel().load(); + changed = false; + } + + @Override + public void applyChanges() { + getPanel().store(); + changed = false; + } + + @Override + public void cancel() { + // need not do anything special, if no changes have been persisted yet + } + + @Override + public boolean isValid() { + return getPanel().valid(); + } + + @Override + public boolean isChanged() { + return changed; + } + + @Override + public HelpCtx getHelpCtx() { + return null; // new HelpCtx("...ID") if you have a help set + } + + @Override + public JComponent getComponent(Lookup masterLookup) { + return getPanel(); + } + + @Override + public void addPropertyChangeListener(PropertyChangeListener l) { + pcs.addPropertyChangeListener(l); + } + + @Override + public void removePropertyChangeListener(PropertyChangeListener l) { + pcs.removePropertyChangeListener(l); + } + + private ViewPanel getPanel() { + if (panel == null) { + panel = new ViewPanel(this); + } + return panel; + } + + void changed() { + if (!changed) { + changed = true; + pcs.firePropertyChange(OptionsPanelController.PROP_CHANGED, false, true); + } + pcs.firePropertyChange(OptionsPanelController.PROP_VALID, null, null); + } +}