Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2011 IBM Corporation 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: * IBM Corporation - initial API and implementation * Anton Leherbauer (Wind River Systems) *******************************************************************************/ package org.eclipse.cdt.internal.ui.preferences; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.preferences.DefaultScope; import org.eclipse.core.runtime.preferences.IEclipsePreferences; import org.eclipse.core.runtime.preferences.InstanceScope; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.resource.JFaceResources; 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.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.PlatformUI; import org.osgi.service.prefs.BackingStoreException; import org.eclipse.cdt.core.CCorePlugin; import org.eclipse.cdt.core.CCorePreferenceConstants; import org.eclipse.cdt.ui.CUIPlugin; import org.eclipse.cdt.ui.PreferenceConstants; import org.eclipse.cdt.internal.ui.ICHelpContextIds; import org.eclipse.cdt.internal.ui.dialogs.StatusInfo; import org.eclipse.cdt.internal.ui.dialogs.StatusUtil; import org.eclipse.cdt.internal.ui.wizards.dialogfields.DialogField; import org.eclipse.cdt.internal.ui.wizards.dialogfields.IDialogFieldListener; import org.eclipse.cdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField; import org.eclipse.cdt.internal.ui.wizards.dialogfields.Separator; public class AppearancePreferencePage extends PreferencePage implements IWorkbenchPreferencePage { private SelectionButtonDialogField fShowTUChildren; private SelectionButtonDialogField fOutlineGroupIncludes; private SelectionButtonDialogField fOutlineGroupNamespaces; private SelectionButtonDialogField fCViewGroupIncludes; private SelectionButtonDialogField fCViewSeparateHeaderAndSource; private SelectionButtonDialogField fCViewGroupMacros; private SelectionButtonDialogField fOutlineGroupMembers; private SelectionButtonDialogField fOutlineGroupMacros; private SelectionButtonDialogField fShowSourceRootsAtTopOfProject; private SelectionButtonDialogField fCViewSortOrderOfExcludedFiles; public AppearancePreferencePage() { setPreferenceStore(PreferenceConstants.getPreferenceStore()); setDescription(PreferencesMessages.AppearancePreferencePage_description); IDialogFieldListener listener = new IDialogFieldListener() { @Override public void dialogFieldChanged(DialogField field) { doDialogFieldChanged(field); } }; fShowTUChildren = new SelectionButtonDialogField(SWT.CHECK); fShowTUChildren.setDialogFieldListener(listener); fShowTUChildren.setLabelText(PreferencesMessages.AppearancePreferencePage_showTUChildren_label); fOutlineGroupIncludes = new SelectionButtonDialogField(SWT.CHECK); fOutlineGroupIncludes.setDialogFieldListener(listener); fOutlineGroupIncludes.setLabelText(PreferencesMessages.AppearancePreferencePage_outlineGroupIncludes_label); fOutlineGroupNamespaces = new SelectionButtonDialogField(SWT.CHECK); fOutlineGroupNamespaces.setDialogFieldListener(listener); fOutlineGroupNamespaces .setLabelText(PreferencesMessages.AppearancePreferencePage_outlineGroupNamespaces_label); fOutlineGroupMembers = new SelectionButtonDialogField(SWT.CHECK); fOutlineGroupMembers.setDialogFieldListener(listener); fOutlineGroupMembers.setLabelText(PreferencesMessages.AppearancePreferencePage_outlineGroupMethods_label); fCViewGroupIncludes = new SelectionButtonDialogField(SWT.CHECK); fCViewGroupIncludes.setDialogFieldListener(listener); fCViewGroupIncludes.setLabelText(PreferencesMessages.AppearancePreferencePage_cviewGroupIncludes_label); fCViewSeparateHeaderAndSource = new SelectionButtonDialogField(SWT.CHECK); fCViewSeparateHeaderAndSource.setDialogFieldListener(listener); fCViewSeparateHeaderAndSource .setLabelText(PreferencesMessages.AppearancePreferencePage_cviewSeparateHeaderAndSource_label); fShowSourceRootsAtTopOfProject = new SelectionButtonDialogField(SWT.CHECK); fShowSourceRootsAtTopOfProject.setDialogFieldListener(listener); fShowSourceRootsAtTopOfProject .setLabelText(PreferencesMessages.AppearancePreferencePage_showSourceRootsAtTopOfProject_label); fOutlineGroupMacros = new SelectionButtonDialogField(SWT.CHECK); fOutlineGroupMacros.setDialogFieldListener(listener); fOutlineGroupMacros.setLabelText(PreferencesMessages.AppearancePreferencePage_outlineGroupMacros_label); fCViewGroupMacros = new SelectionButtonDialogField(SWT.CHECK); fCViewGroupMacros.setDialogFieldListener(listener); fCViewGroupMacros.setLabelText(PreferencesMessages.AppearancePreferencePage_cviewGroupMacros_label); fCViewSortOrderOfExcludedFiles = new SelectionButtonDialogField(SWT.CHECK); fCViewSortOrderOfExcludedFiles.setDialogFieldListener(listener); fCViewSortOrderOfExcludedFiles .setLabelText(PreferencesMessages.AppearancePreferencePage_cviewKeepSortOrderOfExcludedFiles_label); } private void initFields() { IPreferenceStore prefs = getPreferenceStore(); fShowTUChildren.setSelection(prefs.getBoolean(PreferenceConstants.PREF_SHOW_CU_CHILDREN)); fCViewGroupIncludes.setSelection(prefs.getBoolean(PreferenceConstants.CVIEW_GROUP_INCLUDES)); fCViewSeparateHeaderAndSource .setSelection(prefs.getBoolean(PreferenceConstants.CVIEW_SEPARATE_HEADER_AND_SOURCE)); fCViewGroupMacros.setSelection(prefs.getBoolean(PreferenceConstants.CVIEW_GROUP_MACROS)); fOutlineGroupIncludes.setSelection(prefs.getBoolean(PreferenceConstants.OUTLINE_GROUP_INCLUDES)); fOutlineGroupNamespaces.setSelection(prefs.getBoolean(PreferenceConstants.OUTLINE_GROUP_NAMESPACES)); fOutlineGroupMembers.setSelection(prefs.getBoolean(PreferenceConstants.OUTLINE_GROUP_MEMBERS)); fOutlineGroupMacros.setSelection(prefs.getBoolean(PreferenceConstants.OUTLINE_GROUP_MACROS)); boolean showSourceRootsAtTopOfProject = CCorePlugin.showSourceRootsAtTopOfProject(); fShowSourceRootsAtTopOfProject.setSelection(showSourceRootsAtTopOfProject); fCViewSortOrderOfExcludedFiles .setSelection(prefs.getBoolean(PreferenceConstants.SORT_ORDER_OF_EXCLUDED_FILES)); } /* * @see PreferencePage#createControl(Composite) */ @Override public void createControl(Composite parent) { super.createControl(parent); PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), ICHelpContextIds.APPEARANCE_PREFERENCE_PAGE); } /* * @see PreferencePage#createContents(Composite) */ @Override protected Control createContents(Composite parent) { initializeDialogUnits(parent); int nColumns = 1; Composite result = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN); layout.marginWidth = 0; layout.numColumns = nColumns; result.setLayout(layout); fShowTUChildren.doFillIntoGrid(result, nColumns); fCViewGroupIncludes.doFillIntoGrid(result, nColumns); fOutlineGroupIncludes.doFillIntoGrid(result, nColumns); fOutlineGroupNamespaces.doFillIntoGrid(result, nColumns); fOutlineGroupMembers.doFillIntoGrid(result, nColumns); fCViewGroupMacros.doFillIntoGrid(result, nColumns); fOutlineGroupMacros.doFillIntoGrid(result, nColumns); new Separator().doFillIntoGrid(result, nColumns); fCViewSeparateHeaderAndSource.doFillIntoGrid(result, nColumns); fCViewSortOrderOfExcludedFiles.doFillIntoGrid(result, nColumns); String noteTitle = PreferencesMessages.AppearancePreferencePage_note; String noteMessage = PreferencesMessages.AppearancePreferencePage_preferenceOnlyForNewViews; Composite noteControl = createNoteComposite(JFaceResources.getDialogFont(), result, noteTitle, noteMessage); GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL); gd.horizontalSpan = 2; noteControl.setLayoutData(gd); new Separator().doFillIntoGrid(result, nColumns); fShowSourceRootsAtTopOfProject.doFillIntoGrid(result, nColumns); initFields(); Dialog.applyDialogFont(result); return result; } void doDialogFieldChanged(DialogField field) { updateStatus(getValidationStatus()); } private IStatus getValidationStatus() { return new StatusInfo(); } private void updateStatus(IStatus status) { setValid(!status.matches(IStatus.ERROR)); StatusUtil.applyToStatusLine(this, status); } /* * @see IWorkbenchPreferencePage#init(IWorkbench) */ @Override public void init(IWorkbench workbench) { } /* * @see IPreferencePage#performOk() */ @Override public boolean performOk() { IPreferenceStore prefs = getPreferenceStore(); prefs.setValue(PreferenceConstants.PREF_SHOW_CU_CHILDREN, fShowTUChildren.isSelected()); prefs.setValue(PreferenceConstants.CVIEW_GROUP_INCLUDES, fCViewGroupIncludes.isSelected()); prefs.setValue(PreferenceConstants.CVIEW_SEPARATE_HEADER_AND_SOURCE, fCViewSeparateHeaderAndSource.isSelected()); prefs.setValue(PreferenceConstants.CVIEW_GROUP_MACROS, fCViewGroupMacros.isSelected()); prefs.setValue(PreferenceConstants.OUTLINE_GROUP_INCLUDES, fOutlineGroupIncludes.isSelected()); prefs.setValue(PreferenceConstants.OUTLINE_GROUP_NAMESPACES, fOutlineGroupNamespaces.isSelected()); prefs.setValue(PreferenceConstants.OUTLINE_GROUP_MEMBERS, fOutlineGroupMembers.isSelected()); prefs.setValue(PreferenceConstants.OUTLINE_GROUP_MACROS, fOutlineGroupMacros.isSelected()); prefs.setValue(PreferenceConstants.SORT_ORDER_OF_EXCLUDED_FILES, fCViewSortOrderOfExcludedFiles.isSelected()); try { InstanceScope.INSTANCE.getNode(CUIPlugin.PLUGIN_ID).flush(); IEclipsePreferences corePluginNode = InstanceScope.INSTANCE.getNode(CCorePlugin.PLUGIN_ID); corePluginNode.putBoolean(CCorePreferenceConstants.SHOW_SOURCE_ROOTS_AT_TOP_LEVEL_OF_PROJECT, fShowSourceRootsAtTopOfProject.isSelected()); corePluginNode.flush(); } catch (BackingStoreException exc) { CUIPlugin.log(exc); } return super.performOk(); } /* * @see PreferencePage#performDefaults() */ @Override protected void performDefaults() { IPreferenceStore prefs = getPreferenceStore(); fShowTUChildren.setSelection(prefs.getDefaultBoolean(PreferenceConstants.PREF_SHOW_CU_CHILDREN)); fCViewGroupIncludes.setSelection(prefs.getDefaultBoolean(PreferenceConstants.CVIEW_GROUP_INCLUDES)); fCViewSeparateHeaderAndSource .setSelection(prefs.getDefaultBoolean(PreferenceConstants.CVIEW_SEPARATE_HEADER_AND_SOURCE)); fCViewGroupMacros.setSelection(prefs.getDefaultBoolean(PreferenceConstants.CVIEW_GROUP_MACROS)); fOutlineGroupIncludes.setSelection(prefs.getDefaultBoolean(PreferenceConstants.OUTLINE_GROUP_INCLUDES)); fOutlineGroupNamespaces.setSelection(prefs.getDefaultBoolean(PreferenceConstants.OUTLINE_GROUP_NAMESPACES)); fOutlineGroupMembers.setSelection(prefs.getDefaultBoolean(PreferenceConstants.OUTLINE_GROUP_MEMBERS)); fOutlineGroupMacros.setSelection(prefs.getDefaultBoolean(PreferenceConstants.OUTLINE_GROUP_MACROS)); boolean showSourceRootsPref = DefaultScope.INSTANCE.getNode(CCorePlugin.PLUGIN_ID) .getBoolean(CCorePreferenceConstants.SHOW_SOURCE_ROOTS_AT_TOP_LEVEL_OF_PROJECT, true); fShowSourceRootsAtTopOfProject.setSelection(showSourceRootsPref); fCViewSortOrderOfExcludedFiles .setSelection(prefs.getDefaultBoolean(PreferenceConstants.SORT_ORDER_OF_EXCLUDED_FILES)); super.performDefaults(); } }