package bndtools.editor.contents;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.forms.IManagedForm;
import org.eclipse.ui.forms.SectionPart;
import org.eclipse.ui.forms.editor.IFormPage;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.Section;
import org.eclipse.ui.ide.ResourceUtil;
import aQute.bnd.build.model.BndEditModel;
import aQute.bnd.osgi.Constants;
import bndtools.editor.utils.ToolTips;
import bndtools.utils.ModificationLock;
public class DescriptionRightsPart extends SectionPart implements PropertyChangeListener {
/** The properties that can be changed by this part */
private static final String[] EDITABLE_PROPERTIES = new String[] {
Constants.BUNDLE_COPYRIGHT, Constants.BUNDLE_LICENSE
};
private final Set<String> editablePropertySet;
private final Set<String> dirtySet = new HashSet<String>();
private BndEditModel model;
private final Text bundleCopyright;
private final Text bundleLicense;
private final ModificationLock lock = new ModificationLock();
public DescriptionRightsPart(Composite parent, FormToolkit toolkit, int style) {
super(parent, toolkit, style);
Section section = getSection();
section.setText("Copyright and License");
Composite composite = toolkit.createComposite(section);
section.setClient(composite);
// BUNDLE_COPYRIGHT
toolkit.createLabel(composite, "Copyright:");
bundleCopyright = toolkit.createText(composite, "", SWT.BORDER);
ToolTips.setupMessageAndToolTipFromSyntax(bundleCopyright, Constants.BUNDLE_COPYRIGHT);
bundleCopyright.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
lock.ifNotModifying(new Runnable() {
public void run() {
addDirtyProperty(Constants.BUNDLE_COPYRIGHT);
}
});
}
});
// BUNDLE_LICENSE
toolkit.createLabel(composite, "License:");
bundleLicense = toolkit.createText(composite, "", SWT.BORDER);
ToolTips.setupMessageAndToolTipFromSyntax(bundleLicense, Constants.BUNDLE_LICENSE);
bundleLicense.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
lock.ifNotModifying(new Runnable() {
public void run() {
addDirtyProperty(Constants.BUNDLE_LICENSE);
}
});
}
});
// Layout
GridLayout layout = new GridLayout(2, false);
layout.horizontalSpacing = 10;
composite.setLayout(layout);
GridData gd;
gd = new GridData(SWT.FILL, SWT.TOP, true, false);
gd.horizontalIndent = 5;
bundleCopyright.setLayoutData(gd);
gd = new GridData(SWT.FILL, SWT.TOP, true, false);
gd.horizontalIndent = 5;
bundleLicense.setLayoutData(gd);
editablePropertySet = new HashSet<String>();
for (String prop : EDITABLE_PROPERTIES) {
editablePropertySet.add(prop);
}
}
protected void addDirtyProperty(final String property) {
lock.ifNotModifying(new Runnable() {
public void run() {
dirtySet.add(property);
getManagedForm().dirtyStateChanged();
}
});
}
@Override
public void markDirty() {
throw new UnsupportedOperationException("Do not call markDirty directly, instead call addDirtyProperty.");
}
@Override
public boolean isDirty() {
return !dirtySet.isEmpty();
}
@Override
public void commit(boolean onSave) {
try {
// Stop listening to property changes during the commit only
model.removePropertyChangeListener(this);
if (dirtySet.contains(Constants.BUNDLE_COPYRIGHT)) {
String name = bundleCopyright.getText();
if (name != null && name.length() == 0)
name = null;
model.setBundleCopyright(name);
}
if (dirtySet.contains(Constants.BUNDLE_LICENSE)) {
String name = bundleLicense.getText();
if (name != null && name.length() == 0)
name = null;
model.setBundleLicense(name);
}
} finally {
// Restore property change listening
model.addPropertyChangeListener(this);
dirtySet.clear();
getManagedForm().dirtyStateChanged();
}
}
@Override
public void refresh() {
super.refresh();
lock.modifyOperation(new Runnable() {
public void run() {
String bundleCR = model.getBundleCopyright();
bundleCopyright.setText(bundleCR != null ? bundleCR : ""); //$NON-NLS-1$
String bundleLI = model.getBundleLicense();
bundleLicense.setText(bundleLI != null ? bundleLI : ""); //$NON-NLS-1$
}
});
dirtySet.clear();
getManagedForm().dirtyStateChanged();
}
@Override
public void initialize(IManagedForm form) {
super.initialize(form);
this.model = (BndEditModel) form.getInput();
this.model.addPropertyChangeListener(this);
}
public void propertyChange(PropertyChangeEvent evt) {
if (editablePropertySet.contains(evt.getPropertyName())) {
IFormPage page = (IFormPage) getManagedForm().getContainer();
if (page.isActive()) {
refresh();
} else {
markStale();
}
}
}
@Override
public void dispose() {
super.dispose();
if (this.model != null)
this.model.removePropertyChangeListener(this);
}
IJavaProject getJavaProject() {
IFormPage formPage = (IFormPage) getManagedForm().getContainer();
IFile file = ResourceUtil.getFile(formPage.getEditorInput());
return file != null ? JavaCore.create(file.getProject()) : null;
}
}