Java tutorial
/******************************************************************************* * 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.core.runtime.preferences.InstanceScope; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.preference.BooleanFieldEditor; import org.eclipse.jface.preference.FieldEditor; import org.eclipse.jface.preference.FieldEditorPreferencePage; import org.eclipse.jface.preference.IntegerFieldEditor; import org.eclipse.jface.preference.RadioGroupFieldEditor; import org.eclipse.jface.util.PropertyChangeEvent; import org.eclipse.linuxtools.internal.rpm.createrepo.Activator; import org.eclipse.linuxtools.internal.rpm.createrepo.CreaterepoPreferenceConstants; import org.eclipse.linuxtools.internal.rpm.createrepo.ICreaterepoChecksums; import org.eclipse.linuxtools.internal.rpm.createrepo.ICreaterepoCompressionTypes; import org.eclipse.linuxtools.internal.rpm.createrepo.Messages; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.preferences.ScopedPreferenceStore; /** * Keep track of the options to be passed to the command line when * executing the createrepo command. */ public class CreaterepoPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage { public CreaterepoPreferencePage() { super(GRID); } @Override public void init(IWorkbench workbench) { setPreferenceStore(new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID)); setDescription(Messages.CreaterepoPreferencePage_description); } @Override public void propertyChange(PropertyChangeEvent event) { if (event.getProperty().equals(FieldEditor.VALUE)) { checkState(); } } @Override protected void createFieldEditors() { Composite parent = getFieldEditorParent(); // general group Group generalGroup = new Group(parent, SWT.SHADOW_ETCHED_IN); generalGroup.setText(Messages.CreaterepoPreferencePage_generalGroupLabel); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).span(2, 1) .applyTo(generalGroup); // generate unique metadata filenames BooleanFieldEditor bfeIncludeChecksum = new BooleanFieldEditor( CreaterepoPreferenceConstants.PREF_UNIQUE_MD_NAME, Messages.CreaterepoPreferencePage_booleanChecksumName, generalGroup); bfeIncludeChecksum.load(); bfeIncludeChecksum.setPropertyChangeListener(this); addField(bfeIncludeChecksum); // generate sqlite databases BooleanFieldEditor bfeSQLDB = new BooleanFieldEditor(CreaterepoPreferenceConstants.PREF_GENERATE_DB, Messages.CreaterepoPreferencePage_booleanGenerateSQLDB, generalGroup); bfeSQLDB.load(); bfeSQLDB.setPropertyChangeListener(this); addField(bfeSQLDB); // ignore symlinks for packages BooleanFieldEditor bfeIgnoreSymlinks = new BooleanFieldEditor( CreaterepoPreferenceConstants.PREF_IGNORE_SYMLINKS, Messages.CreaterepoPreferencePage_booleanIgnoreSymlinks, generalGroup); bfeIgnoreSymlinks.load(); bfeIgnoreSymlinks.setPropertyChangeListener(this); addField(bfeIgnoreSymlinks); // output files in pretty xml format BooleanFieldEditor bfePrettyXML = new BooleanFieldEditor(CreaterepoPreferenceConstants.PREF_PRETTY_XML, Messages.CreaterepoPreferencePage_booleanPrettyXML, generalGroup); bfePrettyXML.load(); bfePrettyXML.setPropertyChangeListener(this); addField(bfePrettyXML); // number of workers IntegerFieldEditor ifeSpawns = new IntegerFieldEditor(CreaterepoPreferenceConstants.PREF_WORKERS, Messages.CreaterepoPreferencePage_numWorkers, generalGroup); // more than 128 is alot. limiting. (createrepo warning) ifeSpawns.setValidRange(0, 128); ifeSpawns.load(); addField(ifeSpawns); updateGroupSpacing(generalGroup); // updates group Group updatesGroup = new Group(parent, SWT.SHADOW_ETCHED_IN); updatesGroup.setText(Messages.CreaterepoPreferencePage_updateGroupLabel); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).span(2, 1) .hint(10, SWT.DEFAULT).applyTo(updatesGroup); // don't generate repo metadata, if their timestamps are newer than its rpms BooleanFieldEditor bfeSameFilename = new BooleanFieldEditor(CreaterepoPreferenceConstants.PREF_CHECK_TS, Messages.CreaterepoPreferencePage_booleanCheckTS, updatesGroup); bfeSameFilename.load(); bfeSameFilename.setPropertyChangeListener(this); addField(bfeSameFilename); // note of caution Label lblCheckTs = new Label(updatesGroup, SWT.WRAP); lblCheckTs.setText(Messages.CreaterepoPreferencePage_checkTSNote); GridData data = new GridData(); data.widthHint = 130; data.horizontalAlignment = SWT.FILL; data.grabExcessHorizontalSpace = true; data.horizontalIndent = 5; lblCheckTs.setLayoutData(data); updateGroupSpacing(updatesGroup); // changelog group Group changelogGroup = new Group(parent, SWT.SHADOW_ETCHED_IN); changelogGroup.setText(Messages.CreaterepoPreferencePage_changelogGroupLabel); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).span(2, 1) .hint(10, SWT.DEFAULT).applyTo(changelogGroup); // don't generate repo metadata, if their timestamps are newer than its rpms IntegerFieldEditor ifeChangelogLimit = new IntegerFieldEditor( CreaterepoPreferenceConstants.PREF_CHANGELOG_LIMIT, Messages.CreaterepoPreferencePage_numChangelogLimit, changelogGroup); ifeChangelogLimit.setValidRange(0, Integer.MAX_VALUE); ifeChangelogLimit.load(); ifeChangelogLimit.setPropertyChangeListener(this); addField(ifeChangelogLimit); updateGroupSpacing(changelogGroup); Composite checksumsContainer = new Composite(parent, SWT.NONE); checksumsContainer.setLayout(new GridLayout()); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).indent(0, 20).grab(true, false) .applyTo(checksumsContainer); // available checksums RadioGroupFieldEditor rgfeChecksums = new RadioGroupFieldEditor(CreaterepoPreferenceConstants.PREF_CHECKSUM, Messages.CreaterepoPreferencePage_checksumGroupLabel, 1, new String[][] { { ICreaterepoChecksums.SHA1, ICreaterepoChecksums.SHA1 }, { ICreaterepoChecksums.MD5, ICreaterepoChecksums.MD5 }, { ICreaterepoChecksums.SHA256, ICreaterepoChecksums.SHA256 }, { ICreaterepoChecksums.SHA512, ICreaterepoChecksums.SHA512 } }, checksumsContainer, true); rgfeChecksums.load(); rgfeChecksums.setPropertyChangeListener(this); addField(rgfeChecksums); Composite compressContainer = new Composite(parent, SWT.NONE); compressContainer.setLayout(new GridLayout()); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).indent(0, 20).grab(true, false) .applyTo(compressContainer); // available compression types RadioGroupFieldEditor rgfeCompressionTypes = new RadioGroupFieldEditor( CreaterepoPreferenceConstants.PREF_COMPRESSION_TYPE, Messages.CreaterepoPreferencePage_compressionGroupLabel, 1, new String[][] { { ICreaterepoCompressionTypes.COMPAT, ICreaterepoCompressionTypes.COMPAT }, { ICreaterepoCompressionTypes.XZ, ICreaterepoCompressionTypes.XZ }, { ICreaterepoCompressionTypes.GZ, ICreaterepoCompressionTypes.GZ }, { ICreaterepoCompressionTypes.BZ2, ICreaterepoCompressionTypes.BZ2 } }, compressContainer, true); rgfeCompressionTypes.load(); rgfeCompressionTypes.setPropertyChangeListener(this); addField(rgfeCompressionTypes); } /** * Make sure there is space above the group as well as space * between the contents of the group and its border. * * @param group The group to update the spacing of. */ private static void updateGroupSpacing(Group group) { GridLayout layout = (GridLayout) group.getLayout(); GridData data = (GridData) group.getLayoutData(); layout.marginWidth = 5; layout.marginHeight = 5; data.verticalIndent = 20; } }