Java tutorial
/* * ----------------------------------------------------------------------- * File: $HeadURL$ * Revision $LastChangedRevision$ * Last Modified: $LastChangedDate$ * Last Change by: $LastChangedBy$ * ----------------------------------------------------------------------- * Copyright (C) 2007 Keith Stribley <devel@thanlwinsoft.org> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301 USA * ----------------------------------------------------------------------- */ /** * */ package org.thanlwinsoft.languagetest.eclipse.prefs; import java.io.IOException; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Platform; import org.eclipse.jface.preference.BooleanFieldEditor; import org.eclipse.jface.preference.FieldEditorPreferencePage; import org.eclipse.jface.preference.FileFieldEditor; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.preference.StringFieldEditor; 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.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Layout; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.preferences.ScopedPreferenceStore; import org.thanlwinsoft.eclipse.widgets.SoundRecorder; import org.thanlwinsoft.languagetest.MessageUtil; import org.thanlwinsoft.languagetest.eclipse.LanguageTestPlugin; /** * @author keith * */ public class RecordingPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage { private BooleanFieldEditor overwriteEditor = null; /** * @param arg0 */ public RecordingPreferencePage() { super(FieldEditorPreferencePage.GRID); } /* (non-Javadoc) * @see org.eclipse.jface.preference.FieldEditorPreferencePage#createContents(org.eclipse.swt.widgets.Composite) */ protected Control createContents(Composite parent) { return super.createContents(parent); } /* (non-Javadoc) * @see org.eclipse.jface.preference.FieldEditorPreferencePage#createFieldEditors() */ protected void createFieldEditors() { Label introLabel = new Label(getFieldEditorParent(), SWT.WRAP); introLabel.setText(MessageUtil.getString("ConverterIntro")); GridData gd = new GridData(); gd.horizontalSpan = 3; introLabel.setLayoutData(gd); addConverterFieldEditors(SoundRecorder.WAVTOMP3_CONVERTER_PREF, "WavToMP3ConverterProgram", SoundRecorder.WAVTOMP3_CONV_ARG_PREF, "WavToMP3ConverterArguments"); addConverterFieldEditors(SoundRecorder.MP3TOWAV_CONVERTER_PREF, "MP3ToWavConverterProgram", SoundRecorder.MP3TOWAV_CONV_ARG_PREF, "MP3ToWavConverterArguments"); addConverterFieldEditors(SoundRecorder.WAVTOOGG_CONVERTER_PREF, "WavToOggConverterProgram", SoundRecorder.WAVTOOGG_CONV_ARG_PREF, "WavToOggConverterArguments"); addConverterFieldEditors(SoundRecorder.OGGTOWAV_CONVERTER_PREF, "OggToWavConverterProgram", SoundRecorder.OGGTOWAV_CONV_ARG_PREF, "OggToWavConverterArguments"); overwriteEditor = new BooleanFieldEditor(SoundRecorder.OVERWRITE_PREF_KEY, MessageUtil.getString("OverwriteRecordingsWithoutAsking"), SWT.NONE, getFieldEditorParent()); addField(overwriteEditor); overwriteEditor.fillIntoGrid(getFieldEditorParent(), 3); adjustGridLayout(); } private void addConverterFieldEditors(String convPref, String convLabelId, String argPref, String argLabelId) { StringFieldEditor argumentEditor = null; FileFieldEditor fileEditor = null; fileEditor = new FileFieldEditor(convPref, MessageUtil.getString(convLabelId), false, getFieldEditorParent()); if (Platform.getOS().equals(Platform.OS_WIN32)) { fileEditor.setFileExtensions(new String[] { ".exe" }); } fileEditor.setEmptyStringAllowed(true); addField(fileEditor); fileEditor.fillIntoGrid(getFieldEditorParent(), 3); argumentEditor = new StringFieldEditor(argPref, MessageUtil.getString(argLabelId), SWT.NONE, getFieldEditorParent()); argumentEditor.setEmptyStringAllowed(true); addField(argumentEditor); argumentEditor.fillIntoGrid(getFieldEditorParent(), 3); adjustTextControl(fileEditor); adjustTextControl(argumentEditor); } /* (non-Javadoc) * @see org.eclipse.jface.preference.FieldEditorPreferencePage#adjustGridLayout() */ protected void adjustGridLayout() { Layout layout = getFieldEditorParent().getLayout(); if (layout instanceof GridLayout) { GridLayout gl = (GridLayout) layout; gl.numColumns = 3; } } private void adjustTextControl(StringFieldEditor editor) { Text text = (Text) editor.getTextControl(getFieldEditorParent()); if (text.getLayoutData() instanceof GridData) { GridData gd = ((GridData) text.getLayoutData()); gd.widthHint = 150; text.setLayoutData(gd); } } public static void initializeDefaults() { String exePath = ""; String exeExt = ""; if (Platform.getOS().equals(Platform.OS_WIN32)) { exeExt = ".exe"; } else if (Platform.getOS().equals(Platform.OS_LINUX)) { exePath = "/usr/bin/"; } ScopedPreferenceStore prefStore = LanguageTestPlugin.getPrefStore(); prefStore.setDefault(SoundRecorder.WAVTOMP3_CONVERTER_PREF, exePath + "lame" + exeExt); prefStore.setDefault(SoundRecorder.WAVTOMP3_CONV_ARG_PREF, " -V2 {0} {1}"); prefStore.setDefault(SoundRecorder.MP3TOWAV_CONVERTER_PREF, exePath + "lame" + exeExt); prefStore.setDefault(SoundRecorder.MP3TOWAV_CONV_ARG_PREF, " --decode {0} {1}"); prefStore.setDefault(SoundRecorder.WAVTOOGG_CONVERTER_PREF, exePath + "oggenc" + exeExt); prefStore.setDefault(SoundRecorder.WAVTOOGG_CONV_ARG_PREF, " -q 5 {0} -o {1}"); prefStore.setDefault(SoundRecorder.OGGTOWAV_CONVERTER_PREF, exePath + "oggdec" + exeExt); prefStore.setDefault(SoundRecorder.OGGTOWAV_CONV_ARG_PREF, " {0} -o {1}"); prefStore.setDefault(SoundRecorder.OVERWRITE_PREF_KEY, false); } /* (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#performApply() */ protected void performApply() { super.performApply(); try { LanguageTestPlugin.getPrefStore().save(); } catch (IOException e) { LanguageTestPlugin.log(IStatus.WARNING, e.getLocalizedMessage(), e); } } /* (non-Javadoc) * @see org.eclipse.jface.preference.FieldEditorPreferencePage#performOk() */ public boolean performOk() { try { LanguageTestPlugin.getPrefStore().save(); } catch (IOException e) { LanguageTestPlugin.log(IStatus.WARNING, e.getLocalizedMessage(), e); } return super.performOk(); } /* (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#doGetPreferenceStore() */ protected IPreferenceStore doGetPreferenceStore() { return LanguageTestPlugin.getPrefStore(); } /* (non-Javadoc) * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench) */ public void init(IWorkbench workbench) { initializeDefaults(); } /* (non-Javadoc) * @see org.eclipse.jface.preference.FieldEditorPreferencePage#performDefaults() */ protected void performDefaults() { initializeDefaults(); super.performDefaults(); } }