Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2008 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 *******************************************************************************/ package org.eclipse.wst.jsdt.internal.ui.preferences; import org.eclipse.core.runtime.IStatus; 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.swt.SWT; 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.eclipse.wst.jsdt.internal.ui.IJavaHelpContextIds; import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin; import org.eclipse.wst.jsdt.internal.ui.dialogs.StatusInfo; import org.eclipse.wst.jsdt.internal.ui.dialogs.StatusUtil; import org.eclipse.wst.jsdt.internal.ui.wizards.dialogfields.DialogField; import org.eclipse.wst.jsdt.internal.ui.wizards.dialogfields.IDialogFieldListener; import org.eclipse.wst.jsdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField; import org.eclipse.wst.jsdt.ui.PreferenceConstants; public class AppearancePreferencePage extends PreferencePage implements IWorkbenchPreferencePage { private static final String SHOW_CU_CHILDREN = PreferenceConstants.SHOW_CU_CHILDREN; private static final String PREF_METHOD_RETURNTYPE = PreferenceConstants.APPEARANCE_METHOD_RETURNTYPE; // private static final String PREF_METHOD_TYPEPARAMETERS= PreferenceConstants.APPEARANCE_METHOD_TYPEPARAMETERS; // private static final String PREF_COMPRESS_PACKAGE_NAMES= PreferenceConstants.APPEARANCE_COMPRESS_PACKAGE_NAMES; // private static final String PREF_PKG_NAME_PATTERN_FOR_PKG_VIEW= PreferenceConstants.APPEARANCE_PKG_NAME_PATTERN_FOR_PKG_VIEW; // private static final String STACK_BROWSING_VIEWS_VERTICALLY= PreferenceConstants.BROWSING_STACK_VERTICALLY; private static final String PREF_FOLD_PACKAGES_IN_PACKAGE_EXPLORER = PreferenceConstants.APPEARANCE_FOLD_PACKAGES_IN_PACKAGE_EXPLORER; private static final String PREF_CATEGORY = PreferenceConstants.APPEARANCE_CATEGORY; public static final String PREF_COLORED_LABELS = "colored_labels_in_views"; //$NON-NLS-1$ private SelectionButtonDialogField fShowMethodReturnType; private SelectionButtonDialogField fShowCategory; // private SelectionButtonDialogField fCompressPackageNames; // private SelectionButtonDialogField fStackBrowsingViewsVertically; private SelectionButtonDialogField fShowMembersInPackageView; // private StringDialogField fPackageNamePattern; private SelectionButtonDialogField fFoldPackagesInPackageExplorer; // private SelectionButtonDialogField fShowMethodTypeParameters; private SelectionButtonDialogField fShowColoredLabels; public AppearancePreferencePage() { setPreferenceStore(JavaScriptPlugin.getDefault().getPreferenceStore()); setDescription(PreferencesMessages.AppearancePreferencePage_description); IDialogFieldListener listener = new IDialogFieldListener() { public void dialogFieldChanged(DialogField field) { doDialogFieldChanged(field); } }; fShowMethodReturnType = new SelectionButtonDialogField(SWT.CHECK); fShowMethodReturnType.setDialogFieldListener(listener); // fShowMethodReturnType.setLabelText(PreferencesMessages.AppearancePreferencePage_methodreturntype_label); fShowMethodReturnType .setLabelText(PreferencesMessages.AppearancePreferencePage_inferredmethodreturntype_label); // fShowMethodTypeParameters= new SelectionButtonDialogField(SWT.CHECK); // fShowMethodTypeParameters.setDialogFieldListener(listener); // fShowMethodTypeParameters.setLabelText(PreferencesMessages.AppearancePreferencePage_methodtypeparams_label); fShowCategory = new SelectionButtonDialogField(SWT.CHECK); fShowCategory.setDialogFieldListener(listener); fShowCategory.setLabelText(PreferencesMessages.AppearancePreferencePage_showCategory_label); fShowMembersInPackageView = new SelectionButtonDialogField(SWT.CHECK); fShowMembersInPackageView.setDialogFieldListener(listener); fShowMembersInPackageView .setLabelText(PreferencesMessages.AppearancePreferencePage_showMembersInPackagesView); // fStackBrowsingViewsVertically= new SelectionButtonDialogField(SWT.CHECK); // fStackBrowsingViewsVertically.setDialogFieldListener(listener); // fStackBrowsingViewsVertically.setLabelText(PreferencesMessages.AppearancePreferencePage_stackViewsVerticallyInTheJavaBrowsingPerspective); fFoldPackagesInPackageExplorer = new SelectionButtonDialogField(SWT.CHECK); fFoldPackagesInPackageExplorer.setDialogFieldListener(listener); // fFoldPackagesInPackageExplorer.setLabelText(PreferencesMessages.AppearancePreferencePage_foldEmptyPackages); fFoldPackagesInPackageExplorer .setLabelText(PreferencesMessages.AppearancePreferencePage_foldEmptySourceFolders); // fCompressPackageNames= new SelectionButtonDialogField(SWT.CHECK); // fCompressPackageNames.setDialogFieldListener(listener); // fCompressPackageNames.setLabelText(PreferencesMessages.AppearancePreferencePage_pkgNamePatternEnable_label); // fPackageNamePattern= new StringDialogField(); // fPackageNamePattern.setDialogFieldListener(listener); // fPackageNamePattern.setLabelText(PreferencesMessages.AppearancePreferencePage_pkgNamePattern_label); fShowColoredLabels = new SelectionButtonDialogField(SWT.CHECK); fShowColoredLabels.setDialogFieldListener(listener); fShowColoredLabels.setLabelText(PreferencesMessages.AppearancePreferencePage_coloredlabels_label); } private void initFields() { IPreferenceStore prefs = getPreferenceStore(); fShowMethodReturnType.setSelection(prefs.getBoolean(PREF_METHOD_RETURNTYPE)); // fShowMethodTypeParameters.setSelection(prefs.getBoolean(PREF_METHOD_TYPEPARAMETERS)); fShowMembersInPackageView.setSelection(prefs.getBoolean(SHOW_CU_CHILDREN)); fShowCategory.setSelection(prefs.getBoolean(PREF_CATEGORY)); // fStackBrowsingViewsVertically.setSelection(prefs.getBoolean(STACK_BROWSING_VIEWS_VERTICALLY)); // fPackageNamePattern.setText(prefs.getString(PREF_PKG_NAME_PATTERN_FOR_PKG_VIEW)); // fCompressPackageNames.setSelection(prefs.getBoolean(PREF_COMPRESS_PACKAGE_NAMES)); // fPackageNamePattern.setEnabled(fCompressPackageNames.isSelected()); fFoldPackagesInPackageExplorer.setSelection(prefs.getBoolean(PREF_FOLD_PACKAGES_IN_PACKAGE_EXPLORER)); fShowColoredLabels.setSelection(prefs.getBoolean(PREF_COLORED_LABELS)); } /* * @see PreferencePage#createControl(Composite) */ public void createControl(Composite parent) { super.createControl(parent); PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.APPEARANCE_PREFERENCE_PAGE); } /* * @see PreferencePage#createContents(Composite) */ protected Control createContents(Composite parent) { initializeDialogUnits(parent); int nColumns = 1; Composite result = new Composite(parent, SWT.NONE); result.setFont(parent.getFont()); GridLayout layout = new GridLayout(); layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN); layout.marginWidth = 0; layout.numColumns = nColumns; result.setLayout(layout); fShowMethodReturnType.doFillIntoGrid(result, nColumns); // fShowMethodTypeParameters.doFillIntoGrid(result, nColumns); fShowCategory.doFillIntoGrid(result, nColumns); fShowMembersInPackageView.doFillIntoGrid(result, nColumns); fShowColoredLabels.doFillIntoGrid(result, nColumns); fFoldPackagesInPackageExplorer.doFillIntoGrid(result, nColumns); // new Separator().doFillIntoGrid(result, nColumns); // fCompressPackageNames.doFillIntoGrid(result, nColumns); // fPackageNamePattern.doFillIntoGrid(result, 2); // LayoutUtil.setHorizontalGrabbing(fPackageNamePattern.getTextControl(null)); // LayoutUtil.setWidthHint(fPackageNamePattern.getLabelControl(null), convertWidthInCharsToPixels(65)); // new Separator().doFillIntoGrid(result, nColumns); // fStackBrowsingViewsVertically.doFillIntoGrid(result, nColumns); // String noteTitle= PreferencesMessages.AppearancePreferencePage_note; // String noteMessage= PreferencesMessages.AppearancePreferencePage_preferenceOnlyEffectiveForNewPerspectives; // Composite noteControl= createNoteComposite(JFaceResources.getDialogFont(), result, noteTitle, noteMessage); // GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL); // gd.horizontalSpan= 2; // noteControl.setLayoutData(gd); initFields(); Dialog.applyDialogFont(result); return result; } private void doDialogFieldChanged(DialogField field) { // if (field == fCompressPackageNames) // fPackageNamePattern.setEnabled(fCompressPackageNames.isSelected()); updateStatus(getValidationStatus()); } private IStatus getValidationStatus() { // if (fCompressPackageNames.isSelected() && fPackageNamePattern.getText().equals("")) //$NON-NLS-1$ // return new StatusInfo(IStatus.ERROR, PreferencesMessages.AppearancePreferencePage_packageNameCompressionPattern_error_isEmpty); // else return new StatusInfo(); } private void updateStatus(IStatus status) { setValid(!status.matches(IStatus.ERROR)); StatusUtil.applyToStatusLine(this, status); } /* * @see IWorkbenchPreferencePage#init(IWorkbench) */ public void init(IWorkbench workbench) { } /* * @see IPreferencePage#performOk() */ public boolean performOk() { IPreferenceStore prefs = getPreferenceStore(); prefs.setValue(PREF_METHOD_RETURNTYPE, fShowMethodReturnType.isSelected()); // prefs.setValue(PREF_METHOD_TYPEPARAMETERS, fShowMethodTypeParameters.isSelected()); prefs.setValue(PREF_CATEGORY, fShowCategory.isSelected()); prefs.setValue(SHOW_CU_CHILDREN, fShowMembersInPackageView.isSelected()); // prefs.setValue(STACK_BROWSING_VIEWS_VERTICALLY, fStackBrowsingViewsVertically.isSelected()); // prefs.setValue(PREF_PKG_NAME_PATTERN_FOR_PKG_VIEW, fPackageNamePattern.getText()); // prefs.setValue(PREF_COMPRESS_PACKAGE_NAMES, fCompressPackageNames.isSelected()); prefs.setValue(PREF_FOLD_PACKAGES_IN_PACKAGE_EXPLORER, fFoldPackagesInPackageExplorer.isSelected()); prefs.setValue(PREF_COLORED_LABELS, fShowColoredLabels.isSelected()); JavaScriptPlugin.getDefault().savePluginPreferences(); return super.performOk(); } /* * @see PreferencePage#performDefaults() */ protected void performDefaults() { IPreferenceStore prefs = getPreferenceStore(); fShowMethodReturnType.setSelection(prefs.getDefaultBoolean(PREF_METHOD_RETURNTYPE)); // fShowMethodTypeParameters.setSelection(prefs.getDefaultBoolean(PREF_METHOD_TYPEPARAMETERS)); fShowCategory.setSelection(prefs.getDefaultBoolean(PREF_CATEGORY)); fShowMembersInPackageView.setSelection(prefs.getDefaultBoolean(SHOW_CU_CHILDREN)); // fStackBrowsingViewsVertically.setSelection(prefs.getDefaultBoolean(STACK_BROWSING_VIEWS_VERTICALLY)); // fPackageNamePattern.setText(prefs.getDefaultString(PREF_PKG_NAME_PATTERN_FOR_PKG_VIEW)); // fCompressPackageNames.setSelection(prefs.getDefaultBoolean(PREF_COMPRESS_PACKAGE_NAMES)); fFoldPackagesInPackageExplorer .setSelection(prefs.getDefaultBoolean(PREF_FOLD_PACKAGES_IN_PACKAGE_EXPLORER)); fShowColoredLabels.setSelection(false); super.performDefaults(); } }