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/*******************************************************************************
* Copyright (c) 2013 Red Hat Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Neil Guzman - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.rpm.createrepo.preference;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.IntegerFieldEditor;
import org.eclipse.linuxtools.internal.rpm.createrepo.Activator;
import org.eclipse.linuxtools.internal.rpm.createrepo.Messages;
import org.eclipse.linuxtools.rpm.createrepo.CreaterepoPreferenceConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
/**
* Project property page for configuring the delta options for a repository.
*/
public class CreaterepoDeltaPropertyPage extends CreaterepoPropertyPage {
private Composite composite;
private BooleanFieldEditor bfeEnableDeltas;
private Group optionsGroup;
private IntegerFieldEditor ifeNumDeltas;
private IntegerFieldEditor ifeMaxSizeDeltas;
/**
* Default Constructor. Sets the description of the property page.
*/
public CreaterepoDeltaPropertyPage() {
super(Messages.CreaterepoDeltaPropertyPage_description);
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.internal.rpm.createrepo.preference.CreaterepoPropertyPage#addContents(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Composite addContents(Composite parent) {
composite = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout();
composite.setLayout(layout);
bfeEnableDeltas = new BooleanFieldEditor(
CreaterepoPreferenceConstants.PREF_DELTA_ENABLE,
Messages.CreaterepoDeltaPropertyPage_booleanEnableLabel, composite);
bfeEnableDeltas.setPreferenceStore(Activator.getDefault().getPreferenceStore());
bfeEnableDeltas.load();
bfeEnableDeltas.setPropertyChangeListener(this);
optionsGroup = new Group(composite, SWT.SHADOW_ETCHED_IN);
layout = new GridLayout(2, false);
optionsGroup.setLayout(layout);
optionsGroup.setText(Messages.CreaterepoDeltaPropertyPage_groupLabel);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER)
.grab(true, false).applyTo(optionsGroup);
// max deltas.
ifeNumDeltas = new IntegerFieldEditor(
CreaterepoPreferenceConstants.PREF_NUM_DELTAS,
Messages.CreaterepoDeltaPropertyPage_maxNumberOfDeltas, optionsGroup);
ifeNumDeltas.setPreferenceStore(preferenceStore);
ifeNumDeltas.setValidRange(0, Integer.MAX_VALUE);
ifeNumDeltas.load();
ifeNumDeltas.setPropertyChangeListener(this);
ifeNumDeltas.setTextLimit(String.valueOf(Integer.MAX_VALUE).length());
// max delta size. stored in megabytes for convenience to user
ifeMaxSizeDeltas = new IntegerFieldEditor(
CreaterepoPreferenceConstants.PREF_MAX_DELTA_SIZE,
Messages.CreaterepoDeltaPropertyPage_maxDeltaSize, optionsGroup);
ifeMaxSizeDeltas.setPreferenceStore(preferenceStore);
ifeMaxSizeDeltas.setValidRange(0, Integer.MAX_VALUE);
ifeMaxSizeDeltas.load();
ifeMaxSizeDeltas.setPropertyChangeListener(this);
ifeMaxSizeDeltas.setTextLimit(String.valueOf(Integer.MAX_VALUE).length());
// spaces around the group
layout = (GridLayout) optionsGroup.getLayout();
layout.marginWidth = 5;
layout.marginHeight = 5;
toggleEnabled();
return composite;
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performDefaults()
*/
@Override
public void performDefaults() {
Activator.getDefault().getPreferenceStore().setToDefault(CreaterepoPreferenceConstants.PREF_DELTA_ENABLE);
bfeEnableDeltas.loadDefault();
ifeNumDeltas.loadDefault();
ifeMaxSizeDeltas.loadDefault();
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performOk()
*/
@Override
public boolean performOk() {
Activator.getDefault().getPreferenceStore().setValue(CreaterepoPreferenceConstants.PREF_DELTA_ENABLE,
bfeEnableDeltas.getBooleanValue());
getPreferenceStore().setValue(CreaterepoPreferenceConstants.PREF_NUM_DELTAS,
ifeNumDeltas.getIntValue());
getPreferenceStore().setValue(CreaterepoPreferenceConstants.PREF_MAX_DELTA_SIZE,
ifeMaxSizeDeltas.getIntValue());
return true;
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.internal.rpm.createrepo.preference.CreaterepoPropertyPage#checkState()
*/
@Override
protected void checkState() {
if (!ifeNumDeltas.isValid() || !ifeMaxSizeDeltas.isValid()) {
bfeEnableDeltas.setEnabled(false, composite);
setErrorMessage(ifeMaxSizeDeltas.getErrorMessage());
setValid(false);
} else {
bfeEnableDeltas.setEnabled(true, composite);
setErrorMessage(null);
setValid(true);
}
toggleEnabled();
}
/**
* Toggle the enabled status of the field editors dependending on the
* enabled status of the button.
*/
private void toggleEnabled() {
boolean enabled = bfeEnableDeltas.getBooleanValue();
ifeNumDeltas.setEnabled(enabled, optionsGroup);
ifeMaxSizeDeltas.setEnabled(enabled, optionsGroup);
}
}
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