| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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 |
| * istvan@benedek-home.de |
| * - 103706 [formatter] indent empty lines |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.preferences.formatter; |
| |
| import java.util.Map; |
| import java.util.Observable; |
| import java.util.Observer; |
| |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Group; |
| |
| import org.eclipse.jface.text.Assert; |
| |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants; |
| |
| |
| public class IndentationTabPage extends ModifyDialogTabPage { |
| |
| private final String PREVIEW= |
| createPreviewHeader(FormatterMessages.IndentationTabPage_preview_header) + |
| "class Example {" + //$NON-NLS-1$ |
| " int [] myArray= {1,2,3,4,5,6};" + //$NON-NLS-1$ |
| " int theInt= 1;" + //$NON-NLS-1$ |
| " String someString= \"Hello\";" + //$NON-NLS-1$ |
| " double aDouble= 3.0;" + //$NON-NLS-1$ |
| " void foo(int a, int b, int c, int d, int e, int f) {" + //$NON-NLS-1$ |
| " switch(a) {" + //$NON-NLS-1$ |
| " case 0: " + //$NON-NLS-1$ |
| " Other.doFoo();" + //$NON-NLS-1$ |
| " break;" + //$NON-NLS-1$ |
| " default:" + //$NON-NLS-1$ |
| " Other.doBaz();" + //$NON-NLS-1$ |
| " }" + //$NON-NLS-1$ |
| " }" + //$NON-NLS-1$ |
| " void bar(List v) {" + //$NON-NLS-1$ |
| " for (int i= 0; i < 10; i++) {" + //$NON-NLS-1$ |
| " v.add(new Integer(i));" + //$NON-NLS-1$ |
| " }" + //$NON-NLS-1$ |
| " }" + //$NON-NLS-1$ |
| "}" + //$NON-NLS-1$ |
| "\n" + //$NON-NLS-1$ |
| "enum MyEnum {" + //$NON-NLS-1$ |
| " UNDEFINED(0) {" + //$NON-NLS-1$ |
| " void foo() {}" + //$NON-NLS-1$ |
| " }" + //$NON-NLS-1$ |
| "}" + //$NON-NLS-1$ |
| "@interface MyAnnotation {" + //$NON-NLS-1$ |
| " int count() default 1;" + //$NON-NLS-1$ |
| "}";//$NON-NLS-1$ |
| |
| private CompilationUnitPreview fPreview; |
| private String fOldTabChar= null; |
| |
| public IndentationTabPage(ModifyDialog modifyDialog, Map workingValues) { |
| super(modifyDialog, workingValues); |
| } |
| |
| protected void doCreatePreferences(Composite composite, int numColumns) { |
| |
| final Group generalGroup= createGroup(numColumns, composite, FormatterMessages.IndentationTabPage_general_group_title); |
| |
| final String[] tabPolicyValues= new String[] {JavaCore.SPACE, JavaCore.TAB, DefaultCodeFormatterConstants.MIXED}; |
| final String[] tabPolicyLabels= new String[] { |
| FormatterMessages.IndentationTabPage_general_group_option_tab_policy_SPACE, |
| FormatterMessages.IndentationTabPage_general_group_option_tab_policy_TAB, |
| FormatterMessages.IndentationTabPage_general_group_option_tab_policy_MIXED |
| }; |
| final ComboPreference tabPolicy= createComboPref(generalGroup, numColumns, FormatterMessages.IndentationTabPage_general_group_option_tab_policy, DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR, tabPolicyValues, tabPolicyLabels); |
| final CheckboxPreference onlyForLeading= createCheckboxPref(generalGroup, numColumns, FormatterMessages.IndentationTabPage_use_tabs_only_for_leading_indentations, DefaultCodeFormatterConstants.FORMATTER_USE_TABS_ONLY_FOR_LEADING_INDENTATIONS, FALSE_TRUE); |
| final NumberPreference indentSize= createNumberPref(generalGroup, numColumns, FormatterMessages.IndentationTabPage_general_group_option_indent_size, DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE, 0, 32); |
| final NumberPreference tabSize= createNumberPref(generalGroup, numColumns, FormatterMessages.IndentationTabPage_general_group_option_tab_size, DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE, 0, 32); |
| |
| String tabchar= (String) fWorkingValues.get(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR); |
| updateTabPreferences(tabchar, tabSize, indentSize, onlyForLeading); |
| tabPolicy.addObserver(new Observer() { |
| public void update(Observable o, Object arg) { |
| updateTabPreferences((String) arg, tabSize, indentSize, onlyForLeading); |
| } |
| }); |
| tabSize.addObserver(new Observer() { |
| public void update(Observable o, Object arg) { |
| indentSize.updateWidget(); |
| } |
| }); |
| |
| final Group typeMemberGroup= createGroup(numColumns, composite, FormatterMessages.IndentationTabPage_field_alignment_group_title); |
| createCheckboxPref(typeMemberGroup, numColumns, FormatterMessages.IndentationTabPage_field_alignment_group_align_fields_in_columns, DefaultCodeFormatterConstants.FORMATTER_ALIGN_TYPE_MEMBERS_ON_COLUMNS, FALSE_TRUE); |
| |
| final Group classGroup = createGroup(numColumns, composite, FormatterMessages.IndentationTabPage_indent_group_title); |
| createCheckboxPref(classGroup, numColumns, FormatterMessages.IndentationTabPage_class_group_option_indent_declarations_within_class_body, DefaultCodeFormatterConstants.FORMATTER_INDENT_BODY_DECLARATIONS_COMPARE_TO_TYPE_HEADER, FALSE_TRUE); |
| createCheckboxPref(classGroup, numColumns, FormatterMessages.IndentationTabPage_class_group_option_indent_declarations_within_enum_decl, DefaultCodeFormatterConstants.FORMATTER_INDENT_BODY_DECLARATIONS_COMPARE_TO_ENUM_DECLARATION_HEADER, FALSE_TRUE); |
| createCheckboxPref(classGroup, numColumns, FormatterMessages.IndentationTabPage_class_group_option_indent_declarations_within_enum_const, DefaultCodeFormatterConstants.FORMATTER_INDENT_BODY_DECLARATIONS_COMPARE_TO_ENUM_CONSTANT_HEADER, FALSE_TRUE); |
| createCheckboxPref(classGroup, numColumns, FormatterMessages.IndentationTabPage_class_group_option_indent_declarations_within_annot_decl, DefaultCodeFormatterConstants.FORMATTER_INDENT_BODY_DECLARATIONS_COMPARE_TO_ANNOTATION_DECLARATION_HEADER, FALSE_TRUE); |
| |
| |
| // final Group blockGroup= createGroup(numColumns, composite, FormatterMessages.getString("IndentationTabPage.block_group.title")); //$NON-NLS-1$ |
| //createCheckboxPref(classGroup, numColumns, FormatterMessages.getString("IndentationTabPage.block_group.option.indent_statements_within_blocks_and_methods"), DefaultCodeFormatterConstants.FORMATTER_INDENT_BLOCK_STATEMENTS, FALSE_TRUE); //$NON-NLS-1$ |
| createCheckboxPref(classGroup, numColumns, FormatterMessages.IndentationTabPage_block_group_option_indent_statements_compare_to_body, DefaultCodeFormatterConstants.FORMATTER_INDENT_STATEMENTS_COMPARE_TO_BODY, FALSE_TRUE); |
| createCheckboxPref(classGroup, numColumns, FormatterMessages.IndentationTabPage_block_group_option_indent_statements_compare_to_block, DefaultCodeFormatterConstants.FORMATTER_INDENT_STATEMENTS_COMPARE_TO_BLOCK, FALSE_TRUE); |
| |
| |
| // final Group switchGroup= createGroup(numColumns, composite, FormatterMessages.getString("IndentationTabPage.switch_group.title")); //$NON-NLS-1$ |
| createCheckboxPref(classGroup, numColumns, FormatterMessages.IndentationTabPage_switch_group_option_indent_statements_within_switch_body, DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, FALSE_TRUE); |
| createCheckboxPref(classGroup, numColumns, FormatterMessages.IndentationTabPage_switch_group_option_indent_statements_within_case_body, DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, FALSE_TRUE); |
| createCheckboxPref(classGroup, numColumns, FormatterMessages.IndentationTabPage_switch_group_option_indent_break_statements, DefaultCodeFormatterConstants.FORMATTER_INDENT_BREAKS_COMPARE_TO_CASES, FALSE_TRUE); |
| createCheckboxPref(classGroup, numColumns, FormatterMessages.IndentationTabPage_indent_empty_lines, DefaultCodeFormatterConstants.FORMATTER_INDENT_EMPTY_LINES, FALSE_TRUE); |
| } |
| |
| public void initializePage() { |
| fPreview.setPreviewText(PREVIEW); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.ui.preferences.formatter.ModifyDialogTabPage#doCreateJavaPreview(org.eclipse.swt.widgets.Composite) |
| */ |
| protected JavaPreview doCreateJavaPreview(Composite parent) { |
| fPreview= new CompilationUnitPreview(fWorkingValues, parent); |
| return fPreview; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.ui.preferences.formatter.ModifyDialogTabPage#doUpdatePreview() |
| */ |
| protected void doUpdatePreview() { |
| fPreview.update(); |
| } |
| |
| private void updateTabPreferences(String tabPolicy, NumberPreference tabPreference, NumberPreference indentPreference, CheckboxPreference onlyForLeading) { |
| /* |
| * If the tab-char is SPACE (or TAB), INDENTATION_SIZE |
| * preference is not used by the core formatter. We piggy back the |
| * visual tab length setting in that preference in that case. If the |
| * user selects MIXED, we use the previous TAB_SIZE preference as the |
| * new INDENTATION_SIZE (as this is what it really is) and set the |
| * visual tab size to the value piggy backed in the INDENTATION_SIZE |
| * preference. See also CodeFormatterUtil. |
| */ |
| if (DefaultCodeFormatterConstants.MIXED.equals(tabPolicy)) { |
| if (JavaCore.SPACE.equals(fOldTabChar) || JavaCore.TAB.equals(fOldTabChar)) |
| swapTabValues(); |
| tabPreference.setEnabled(true); |
| tabPreference.setKey(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE); |
| indentPreference.setEnabled(true); |
| indentPreference.setKey(DefaultCodeFormatterConstants.FORMATTER_INDENTATION_SIZE); |
| onlyForLeading.setEnabled(true); |
| } else if (JavaCore.SPACE.equals(tabPolicy)) { |
| if (DefaultCodeFormatterConstants.MIXED.equals(fOldTabChar)) |
| swapTabValues(); |
| tabPreference.setEnabled(true); |
| tabPreference.setKey(DefaultCodeFormatterConstants.FORMATTER_INDENTATION_SIZE); |
| indentPreference.setEnabled(true); |
| indentPreference.setKey(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE); |
| onlyForLeading.setEnabled(false); |
| } else if (JavaCore.TAB.equals(tabPolicy)) { |
| if (DefaultCodeFormatterConstants.MIXED.equals(fOldTabChar)) |
| swapTabValues(); |
| tabPreference.setEnabled(true); |
| tabPreference.setKey(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE); |
| indentPreference.setEnabled(false); |
| indentPreference.setKey(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE); |
| onlyForLeading.setEnabled(true); |
| } else { |
| Assert.isTrue(false); |
| } |
| fOldTabChar= tabPolicy; |
| } |
| |
| private void swapTabValues() { |
| Object tabSize= fWorkingValues.get(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE); |
| Object indentSize= fWorkingValues.get(DefaultCodeFormatterConstants.FORMATTER_INDENTATION_SIZE); |
| fWorkingValues.put(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE, indentSize); |
| fWorkingValues.put(DefaultCodeFormatterConstants.FORMATTER_INDENTATION_SIZE, tabSize); |
| } |
| } |
