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 * Alex Blewitt - https://bugs.eclipse.org/bugs/show_bug.cgi?id=168954 *******************************************************************************/ package ext.org.eclipse.jdt.internal.ui.preferences.cleanup; import java.util.Map; import java.util.Observable; import java.util.Observer; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.jdt.ui.cleanup.CleanUpOptions; import org.eclipse.jface.dialogs.Dialog; import ext.org.eclipse.jdt.internal.corext.fix.CleanUpConstants; import ext.org.eclipse.jdt.internal.ui.fix.AbstractCleanUp; import ext.org.eclipse.jdt.internal.ui.fix.CodeFormatCleanUp; import ext.org.eclipse.jdt.internal.ui.fix.ImportsCleanUp; import ext.org.eclipse.jdt.internal.ui.fix.SortMembersCleanUp; import ext.org.eclipse.jdt.internal.ui.preferences.formatter.JavaPreview; public final class CodeFormatingTabPage extends AbstractCleanUpTabPage { public static final String ID = "org.eclipse.jdt.ui.cleanup.tabpage.code_formatting"; //$NON-NLS-1$ private Map<String, String> fValues; private CleanUpPreview fPreview; public CodeFormatingTabPage() { super(); } /** * {@inheritDoc} */ @Override public void setWorkingValues(Map<String, String> workingValues) { super.setWorkingValues(workingValues); fValues = workingValues; } @Override protected AbstractCleanUp[] createPreviewCleanUps(Map<String, String> values) { return new AbstractCleanUp[] { new ImportsCleanUp(values), new CodeFormatCleanUp(values), new SortMembersCleanUp(values) }; } @Override protected JavaPreview doCreateJavaPreview(Composite parent) { fPreview = (CleanUpPreview) super.doCreateJavaPreview(parent); fPreview.showInvisibleCharacters(true); fPreview.setFormat(CleanUpOptions.TRUE.equals(fValues.get(CleanUpConstants.FORMAT_SOURCE_CODE))); fPreview.setCorrectIndentation( CleanUpOptions.TRUE.equals(fValues.get(CleanUpConstants.FORMAT_CORRECT_INDENTATION))); return fPreview; } @Override protected void doCreatePreferences(Composite composite, int numColumns) { Group group = createGroup(numColumns, composite, CleanUpMessages.CodeFormatingTabPage_GroupName_Formatter); if (!isSaveAction()) { final CheckboxPreference format = createCheckboxPref(group, numColumns, CleanUpMessages.CodeFormatingTabPage_CheckboxName_FormatSourceCode, CleanUpConstants.FORMAT_SOURCE_CODE, CleanUpModifyDialog.FALSE_TRUE); registerPreference(format); format.addObserver(new Observer() { public void update(Observable o, Object arg) { fPreview.setFormat(format.getChecked()); fPreview.update(); } }); } final CheckboxPreference whiteSpace = createCheckboxPref(group, numColumns, CleanUpMessages.CodeFormatingTabPage_RemoveTrailingWhitespace_checkbox_text, CleanUpConstants.FORMAT_REMOVE_TRAILING_WHITESPACES, CleanUpModifyDialog.FALSE_TRUE); intent(group); final RadioPreference allPref = createRadioPref(group, 1, CleanUpMessages.CodeFormatingTabPage_RemoveTrailingWhitespace_all_radio, CleanUpConstants.FORMAT_REMOVE_TRAILING_WHITESPACES_ALL, CleanUpModifyDialog.FALSE_TRUE); final RadioPreference ignoreEmptyPref = createRadioPref(group, 1, CleanUpMessages.CodeFormatingTabPage_RemoveTrailingWhitespace_ignoreEmpty_radio, CleanUpConstants.FORMAT_REMOVE_TRAILING_WHITESPACES_IGNORE_EMPTY, CleanUpModifyDialog.FALSE_TRUE); registerSlavePreference(whiteSpace, new RadioPreference[] { allPref, ignoreEmptyPref }); final CheckboxPreference correctIndentation = createCheckboxPref(group, numColumns, CleanUpMessages.CodeFormatingTabPage_correctIndentation_checkbox_text, CleanUpConstants.FORMAT_CORRECT_INDENTATION, CleanUpModifyDialog.FALSE_TRUE); registerPreference(correctIndentation); correctIndentation.addObserver(new Observer() { public void update(Observable o, Object arg) { fPreview.setCorrectIndentation(correctIndentation.getChecked()); fPreview.update(); } }); if (!isSaveAction()) { createLabel(numColumns, group, CleanUpMessages.CodeFormatingTabPage_FormatterSettings_Description) .setFont(composite.getFont()); Group importsGroup = createGroup(numColumns, composite, CleanUpMessages.CodeFormatingTabPage_Imports_GroupName); CheckboxPreference organizeImports = createCheckboxPref(importsGroup, numColumns, CleanUpMessages.CodeFormatingTabPage_OrganizeImports_CheckBoxLable, CleanUpConstants.ORGANIZE_IMPORTS, CleanUpModifyDialog.FALSE_TRUE); registerPreference(organizeImports); createLabel(numColumns, importsGroup, CleanUpMessages.CodeFormatingTabPage_OrganizeImportsSettings_Description) .setFont(composite.getFont()); } Group sortMembersGroup = createGroup(numColumns, composite, CleanUpMessages.CodeFormatingTabPage_SortMembers_GroupName); final CheckboxPreference sortMembersPref = createCheckboxPref(sortMembersGroup, numColumns, CleanUpMessages.CodeFormatingTabPage_SortMembers_CheckBoxLabel, CleanUpConstants.SORT_MEMBERS, CleanUpModifyDialog.FALSE_TRUE); intent(sortMembersGroup); final RadioPreference sortAllPref = createRadioPref(sortMembersGroup, numColumns - 1, CleanUpMessages.CodeFormatingTabPage_SortMembersFields_CheckBoxLabel, CleanUpConstants.SORT_MEMBERS_ALL, CleanUpModifyDialog.FALSE_TRUE); intent(sortMembersGroup); final Button nullRadio = new Button(sortMembersGroup, SWT.RADIO); nullRadio.setText(CleanUpMessages.CodeFormatingTabPage_SortMembersExclusive_radio0); nullRadio.setLayoutData(createGridData(numColumns - 1, GridData.FILL_HORIZONTAL, SWT.DEFAULT)); nullRadio.setFont(composite.getFont()); intent(sortMembersGroup); final Label warningImage = new Label(sortMembersGroup, SWT.LEFT | SWT.WRAP); warningImage.setImage(Dialog.getImage(Dialog.DLG_IMG_MESSAGE_WARNING)); warningImage.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false)); final Label warningLabel = createLabel(numColumns - 2, sortMembersGroup, CleanUpMessages.CodeFormatingTabPage_SortMembersSemanticChange_warning); registerSlavePreference(sortMembersPref, new RadioPreference[] { sortAllPref }); sortMembersPref.addObserver(new Observer() { public void update(Observable o, Object arg) { nullRadio.setEnabled(sortMembersPref.getChecked()); boolean warningEnabled = sortMembersPref.getChecked() && sortAllPref.getChecked(); warningImage.setEnabled(warningEnabled); warningLabel.setEnabled(warningEnabled); } }); sortAllPref.addObserver(new Observer() { public void update(Observable o, Object arg) { boolean warningEnabled = sortMembersPref.getChecked() && sortAllPref.getChecked(); warningImage.setEnabled(warningEnabled); warningLabel.setEnabled(warningEnabled); } }); nullRadio.setEnabled(sortMembersPref.getChecked()); nullRadio.setSelection(CleanUpOptions.FALSE.equals(fValues.get(CleanUpConstants.SORT_MEMBERS_ALL))); boolean warningEnabled = sortMembersPref.getChecked() && sortAllPref.getChecked(); warningImage.setEnabled(warningEnabled); warningLabel.setEnabled(warningEnabled); createLabel(numColumns, sortMembersGroup, CleanUpMessages.CodeFormatingTabPage_SortMembers_Description); } }