Java tutorial
/* ********************************************************************** ** ** Copyright notice ** ** ** ** (c) 2005-2009 RSSOwl Development Team ** ** http://www.rssowl.org/ ** ** ** ** 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.rssowl.org/legal/epl-v10.html ** ** ** ** A copy is found in the file epl-v10.html and important notices to the ** ** license from the team is found in the textfile LICENSE.txt distributed ** ** in this package. ** ** ** ** This copyright notice MUST APPEAR in all copies of the file! ** ** ** ** Contributors: ** ** RSSOwl Development Team - initial API and implementation ** ** ** ** ********************************************************************** */ package org.rssowl.ui.internal.dialogs.preferences; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.util.OpenStrategy; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Spinner; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.rssowl.core.Owl; import org.rssowl.core.internal.persist.pref.DefaultPreferences; import org.rssowl.core.persist.pref.IPreferenceScope; import org.rssowl.ui.internal.Application; import org.rssowl.ui.internal.OwlUI; import org.rssowl.ui.internal.util.LayoutUtils; /** * Container for all Preferences that have not yet been categorized. * * @author bpasero */ public class MiscPreferencePage extends PreferencePage implements IWorkbenchPreferencePage { /** ID of this Preferences Page */ public static final String ID = "org.rssowl.ui.MiscPreferences"; //$NON-NLS-1$ private IPreferenceScope fGlobalScope; private IPreferenceScope fEclipseScope; private Button fMinimizeToTray; private Button fMoveToTrayOnStart; private Button fMoveToTrayOnExit; private Spinner fAutoCloseTabsSpinner; private Button fAutoCloseTabsCheck; private Button fUseMultipleTabsCheck; private Button fReopenFeedsOnStartupCheck; private Button fAlwaysReuseFeedView; private Button fOpenOnSingleClick; private Button fUpdateOnStartup; private Button fSingleClickRestore; private Button fDoubleClickRestore; /** Leave for reflection */ public MiscPreferencePage() { fGlobalScope = Owl.getPreferenceService().getGlobalScope(); fEclipseScope = Owl.getPreferenceService().getEclipseScope(); setImageDescriptor(OwlUI.getImageDescriptor("icons/elcl16/view.gif")); //$NON-NLS-1$ } /** * @param title */ public MiscPreferencePage(String title) { super(title); } /* * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench) */ public void init(IWorkbench workbench) { } /* * @see org.eclipse.jface.preference.PreferencePage#createControl(org.eclipse.swt.widgets.Composite) */ @Override public void createControl(Composite parent) { super.createControl(parent); updateApplyEnablement(false); } /* * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite) */ @Override protected Control createContents(Composite parent) { Composite container = createComposite(parent); /* Tab Options */ createTabOptions(container); /* System Tray Options */ if (!Application.IS_ECLIPSE) createTrayOptions(container); /* Misc Options */ createMiscOptions(container); applyDialogFont(container); /* Enable Apply Button on Selection Changes */ OwlUI.runOnSelection(new Runnable() { public void run() { updateApplyEnablement(true); } }, container); return container; } private void createTabOptions(Composite container) { Label label = new Label(container, SWT.NONE); label.setText(Messages.MiscPreferencePage_TABBED_BROWSING); label.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); /* Group */ Composite group = new Composite(container, SWT.None); group.setLayout(LayoutUtils.createGridLayout(1, 7, 3)); ((GridLayout) group.getLayout()).marginBottom = 5; group.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); fAlwaysReuseFeedView = new Button(group, SWT.CHECK); fAlwaysReuseFeedView.setText(Messages.MiscPreferencePage_SAME_TAB); fAlwaysReuseFeedView.setSelection(fGlobalScope.getBoolean(DefaultPreferences.ALWAYS_REUSE_FEEDVIEW)); fUseMultipleTabsCheck = new Button(group, SWT.CHECK); fUseMultipleTabsCheck.setText(Messages.MiscPreferencePage_MULTIPLE_TABS); fUseMultipleTabsCheck.setSelection(fEclipseScope.getBoolean(DefaultPreferences.ECLIPSE_MULTIPLE_TABS)); Composite autoCloseTabsContainer = new Composite(group, SWT.None); autoCloseTabsContainer.setLayout(LayoutUtils.createGridLayout(3, 0, 0, 0, 2, false)); fAutoCloseTabsCheck = new Button(autoCloseTabsContainer, SWT.CHECK); fAutoCloseTabsCheck.setText(Messages.MiscPreferencePage_TAB_LIMIT); fAutoCloseTabsCheck.setSelection(fEclipseScope.getBoolean(DefaultPreferences.ECLIPSE_AUTOCLOSE_TABS)); fAutoCloseTabsCheck.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { fAutoCloseTabsSpinner.setEnabled(fAutoCloseTabsCheck.getSelection()); fAlwaysReuseFeedView.setEnabled( !fAutoCloseTabsCheck.getSelection() || fAutoCloseTabsSpinner.getSelection() > 1); } }); fAutoCloseTabsSpinner = new Spinner(autoCloseTabsContainer, SWT.BORDER); fAutoCloseTabsSpinner.setMinimum(1); fAutoCloseTabsSpinner.setMaximum(100); fAutoCloseTabsSpinner .setSelection(fEclipseScope.getInteger(DefaultPreferences.ECLIPSE_AUTOCLOSE_TABS_THRESHOLD)); fAutoCloseTabsSpinner.setEnabled(fAutoCloseTabsCheck.getSelection()); fAutoCloseTabsSpinner.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { fAlwaysReuseFeedView.setEnabled( !fAutoCloseTabsCheck.getSelection() || fAutoCloseTabsSpinner.getSelection() > 1); } }); label = new Label(autoCloseTabsContainer, SWT.None); label.setText(Messages.MiscPreferencePage_TABS); fAlwaysReuseFeedView .setEnabled(!fAutoCloseTabsCheck.getSelection() || fAutoCloseTabsSpinner.getSelection() > 1); } private void createMiscOptions(Composite container) { Label label = new Label(container, SWT.NONE); label.setText(Messages.MiscPreferencePage_MISC); label.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); /* Group */ Composite miscGroup = new Composite(container, SWT.None); miscGroup.setLayout(LayoutUtils.createGridLayout(1, 7, 3)); miscGroup.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); fReopenFeedsOnStartupCheck = new Button(miscGroup, SWT.CHECK); fReopenFeedsOnStartupCheck.setText(Messages.MiscPreferencePage_REOPEN_LAST_OPENED); fReopenFeedsOnStartupCheck.setSelection(fEclipseScope.getBoolean(DefaultPreferences.ECLIPSE_RESTORE_TABS)); fOpenOnSingleClick = new Button(miscGroup, SWT.CHECK); fOpenOnSingleClick.setText(Messages.MiscPreferencePage_SINGLE_CLICK); fOpenOnSingleClick.setSelection(fEclipseScope.getBoolean(DefaultPreferences.ECLIPSE_SINGLE_CLICK_OPEN)); if (!Application.IS_ECLIPSE) { fUpdateOnStartup = new Button(miscGroup, SWT.CHECK); fUpdateOnStartup.setText(Messages.MiscPreferencePage_UPDATE_ON_STARTUP); fUpdateOnStartup.setSelection(fGlobalScope.getBoolean(DefaultPreferences.UPDATE_ON_STARTUP)); } } private void createTrayOptions(Composite container) { Label label = new Label(container, SWT.NONE); label.setText(Messages.MiscPreferencePage_SYSTEM_TRAY); label.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); /* Group */ Composite group = new Composite(container, SWT.None); group.setLayout(LayoutUtils.createGridLayout(1, 7, 3)); ((GridLayout) group.getLayout()).marginBottom = 5; group.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); label = new Label(group, SWT.NONE); label.setText(Messages.MiscPreferencePage_MOVE_TO_TRAY); /* Enable / Disable Tray */ fMinimizeToTray = new Button(group, SWT.CHECK); fMinimizeToTray.setText(Messages.MiscPreferencePage_ON_MINIMIZE); fMinimizeToTray.setSelection(fGlobalScope.getBoolean(DefaultPreferences.TRAY_ON_MINIMIZE)); fMinimizeToTray.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { updateRestoreEnablement(); } }); /* Move to Tray on Start */ fMoveToTrayOnStart = new Button(group, SWT.CHECK); fMoveToTrayOnStart.setText(Messages.MiscPreferencePage_ON_START); fMoveToTrayOnStart.setSelection(fGlobalScope.getBoolean(DefaultPreferences.TRAY_ON_START)); fMoveToTrayOnStart.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { updateRestoreEnablement(); } }); /* Move to Tray on Close */ fMoveToTrayOnExit = new Button(group, SWT.CHECK); fMoveToTrayOnExit.setText(Messages.MiscPreferencePage_ON_CLOSE); fMoveToTrayOnExit.setSelection(fGlobalScope.getBoolean(DefaultPreferences.TRAY_ON_CLOSE)); fMoveToTrayOnExit.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { updateRestoreEnablement(); } }); label = new Label(group, SWT.NONE); label.setText(Messages.MiscPreferencePage_RESTORE_FROM_TRAY); label.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false)); ((GridData) label.getLayoutData()).verticalIndent = 5; Composite buttonContainer = new Composite(group, SWT.None); buttonContainer.setLayout(LayoutUtils.createGridLayout(2, 0, 0)); fSingleClickRestore = new Button(buttonContainer, SWT.RADIO); fSingleClickRestore.setText(Messages.MiscPreferencePage_SINGLE_CLICK_RESTORE); fSingleClickRestore.setSelection(!fGlobalScope.getBoolean(DefaultPreferences.RESTORE_TRAY_DOUBLECLICK)); fDoubleClickRestore = new Button(buttonContainer, SWT.RADIO); fDoubleClickRestore.setText(Messages.MiscPreferencePage_DOUBLE_CLICK_RESTORE); fDoubleClickRestore.setSelection(fGlobalScope.getBoolean(DefaultPreferences.RESTORE_TRAY_DOUBLECLICK)); updateRestoreEnablement(); } private void updateRestoreEnablement() { boolean enable = fMinimizeToTray.getSelection() || fMoveToTrayOnStart.getSelection() || fMoveToTrayOnExit.getSelection(); fSingleClickRestore.setEnabled(enable); fDoubleClickRestore.setEnabled(enable); } private Composite createComposite(Composite parent) { Composite composite = new Composite(parent, SWT.NULL); GridLayout layout = new GridLayout(); layout.marginWidth = 0; layout.marginHeight = 0; composite.setLayout(layout); composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL)); composite.setFont(parent.getFont()); return composite; } /* * @see org.eclipse.jface.preference.PreferencePage#performOk() */ @Override public boolean performOk() { if (!Application.IS_ECLIPSE) fGlobalScope.putBoolean(DefaultPreferences.UPDATE_ON_STARTUP, fUpdateOnStartup.getSelection()); fEclipseScope.putBoolean(DefaultPreferences.ECLIPSE_SINGLE_CLICK_OPEN, fOpenOnSingleClick.getSelection()); if (!Application.IS_ECLIPSE) OpenStrategy.setOpenMethod( fOpenOnSingleClick.getSelection() ? OpenStrategy.SINGLE_CLICK | OpenStrategy.ARROW_KEYS_OPEN : OpenStrategy.DOUBLE_CLICK); fEclipseScope.putBoolean(DefaultPreferences.ECLIPSE_RESTORE_TABS, fReopenFeedsOnStartupCheck.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.ALWAYS_REUSE_FEEDVIEW, fAlwaysReuseFeedView.getSelection()); fEclipseScope.putBoolean(DefaultPreferences.ECLIPSE_MULTIPLE_TABS, fUseMultipleTabsCheck.getSelection()); fEclipseScope.putBoolean(DefaultPreferences.ECLIPSE_AUTOCLOSE_TABS, fAutoCloseTabsCheck.getSelection()); fEclipseScope.putInteger(DefaultPreferences.ECLIPSE_AUTOCLOSE_TABS_THRESHOLD, fAutoCloseTabsSpinner.getSelection()); if (!Application.IS_ECLIPSE) { fGlobalScope.putBoolean(DefaultPreferences.TRAY_ON_MINIMIZE, fMinimizeToTray.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.TRAY_ON_START, fMoveToTrayOnStart.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.TRAY_ON_CLOSE, fMoveToTrayOnExit.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.RESTORE_TRAY_DOUBLECLICK, fDoubleClickRestore.getSelection()); } return super.performOk(); } /* * @see org.eclipse.jface.preference.PreferencePage#performApply() */ @Override protected void performApply() { super.performApply(); updateApplyEnablement(false); } /* * @see org.eclipse.jface.preference.PreferencePage#performDefaults() */ @Override protected void performDefaults() { super.performDefaults(); IPreferenceScope defaultScope = Owl.getPreferenceService().getDefaultScope(); if (!Application.IS_ECLIPSE) fUpdateOnStartup.setSelection(defaultScope.getBoolean(DefaultPreferences.UPDATE_ON_STARTUP)); fOpenOnSingleClick.setSelection(defaultScope.getBoolean(DefaultPreferences.ECLIPSE_SINGLE_CLICK_OPEN)); if (!Application.IS_ECLIPSE) OpenStrategy.setOpenMethod( fOpenOnSingleClick.getSelection() ? OpenStrategy.SINGLE_CLICK | OpenStrategy.ARROW_KEYS_OPEN : OpenStrategy.DOUBLE_CLICK); fReopenFeedsOnStartupCheck.setSelection(defaultScope.getBoolean(DefaultPreferences.ECLIPSE_RESTORE_TABS)); fAlwaysReuseFeedView.setSelection(true); //Forced for performance reasons fUseMultipleTabsCheck.setSelection(defaultScope.getBoolean(DefaultPreferences.ECLIPSE_MULTIPLE_TABS)); fAutoCloseTabsCheck.setSelection(defaultScope.getBoolean(DefaultPreferences.ECLIPSE_AUTOCLOSE_TABS)); fAutoCloseTabsSpinner .setSelection(defaultScope.getInteger(DefaultPreferences.ECLIPSE_AUTOCLOSE_TABS_THRESHOLD)); fAutoCloseTabsSpinner.setEnabled(fAutoCloseTabsCheck.getSelection()); if (!Application.IS_ECLIPSE) { fMinimizeToTray.setSelection(defaultScope.getBoolean(DefaultPreferences.TRAY_ON_MINIMIZE)); fMoveToTrayOnStart.setSelection(defaultScope.getBoolean(DefaultPreferences.TRAY_ON_START)); fMoveToTrayOnExit.setSelection(defaultScope.getBoolean(DefaultPreferences.TRAY_ON_CLOSE)); fSingleClickRestore.setSelection(!defaultScope.getBoolean(DefaultPreferences.RESTORE_TRAY_DOUBLECLICK)); fDoubleClickRestore.setSelection(defaultScope.getBoolean(DefaultPreferences.RESTORE_TRAY_DOUBLECLICK)); updateRestoreEnablement(); } fAlwaysReuseFeedView .setEnabled(!fAutoCloseTabsCheck.getSelection() || fAutoCloseTabsSpinner.getSelection() > 1); updateApplyEnablement(true); } private void updateApplyEnablement(boolean enable) { Button applyButton = getApplyButton(); if (applyButton != null && !applyButton.isDisposed() && applyButton.isEnabled() != enable) applyButton.setEnabled(enable); } }