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1
11 package org.eclipse.jdt.internal.ui.preferences.formatter;
12
13 import java.util.Map  ;
14 import java.util.Observable ;
15 import java.util.Observer ;
16
17 import org.eclipse.swt.SWT;
18 import org.eclipse.swt.layout.GridData;
19 import org.eclipse.swt.widgets.Composite;
20 import org.eclipse.swt.widgets.Group;
21 import org.eclipse.swt.widgets.Label;
22
23 import org.eclipse.jdt.core.JavaCore;
24 import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants;
25
26
27 public class ControlStatementsTabPage extends FormatterTabPage {
28
29
32 private static String [] FALSE_TRUE = {
33 DefaultCodeFormatterConstants.FALSE,
34 DefaultCodeFormatterConstants.TRUE
35 };
36
37
40 private static String [] DO_NOT_INSERT_INSERT = {
41 JavaCore.DO_NOT_INSERT,
42 JavaCore.INSERT
43 };
44
45
46 private final String PREVIEW=
47 createPreviewHeader(FormatterMessages.ControlStatementsTabPage_preview_header) +
48 "class Example {" + " void bar() {" + " do {} while (true);" + " try {} catch (Exception e) { } finally { }" + " }" + " void foo2() {" + " if (true) { " + " return;" + " }" + " if (true) {" + " return;" + " } else if (false) {" + " return; " + " } else {" + " return;" + " }" + " }" + " void foo(int state) {" + " if (true) return;" + " if (true) " + " return;" + " else if (false)" + " return;" + " else return;" + " }" + "}";
75
76
77 private CompilationUnitPreview fPreview;
78
79 protected CheckboxPreference fThenStatementPref, fSimpleIfPref;
80
81
82 public ControlStatementsTabPage(ModifyDialog modifyDialog, Map workingValues) {
83 super(modifyDialog, workingValues);
84 }
85
86 protected void doCreatePreferences(Composite composite, int numColumns) {
87
88 final Group generalGroup= createGroup(numColumns, composite, FormatterMessages.ControlStatementsTabPage_general_group_title);
89 createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_else_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_ELSE_IN_IF_STATEMENT, DO_NOT_INSERT_INSERT);
90 createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_catch_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_CATCH_IN_TRY_STATEMENT, DO_NOT_INSERT_INSERT);
91 createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_finally_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_FINALLY_IN_TRY_STATEMENT, DO_NOT_INSERT_INSERT);
92 createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_while_in_do_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_WHILE_IN_DO_STATEMENT, DO_NOT_INSERT_INSERT);
93
94 final Group ifElseGroup= createGroup(numColumns, composite, FormatterMessages.ControlStatementsTabPage_if_else_group_title);
95 fThenStatementPref= createOption(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_then_on_same_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_THEN_STATEMENT_ON_SAME_LINE, FALSE_TRUE);
96
97 Label l= new Label(ifElseGroup, SWT.NONE);
98 GridData gd= new GridData();
99 gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(4);
100 l.setLayoutData(gd);
101
102 fSimpleIfPref= createOption(ifElseGroup, numColumns - 1, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_simple_if_on_one_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_SIMPLE_IF_ON_ONE_LINE, FALSE_TRUE);
103
104 fThenStatementPref.addObserver( new Observer () {
105 public void update(Observable o, Object arg) {
106 fSimpleIfPref.setEnabled(!fThenStatementPref.getChecked());
107 }
108
109 });
110
111 fSimpleIfPref.setEnabled(!fThenStatementPref.getChecked());
112
113 createOption(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_else_on_same_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_ELSE_STATEMENT_ON_SAME_LINE, FALSE_TRUE);
114 createCheckboxPref(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_else_if_on_one_line, DefaultCodeFormatterConstants.FORMATTER_COMPACT_ELSE_IF, FALSE_TRUE);
115 createCheckboxPref(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_guardian_clause_on_one_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_GUARDIAN_CLAUSE_ON_ONE_LINE, FALSE_TRUE);
116 }
117
118 protected void initializePage() {
119 fPreview.setPreviewText(PREVIEW);
120 }
121
122
125 protected JavaPreview doCreateJavaPreview(Composite parent) {
126 fPreview= new CompilationUnitPreview(fWorkingValues, parent);
127 return fPreview;
128 }
129
130
133 protected void doUpdatePreview() {
134 super.doUpdatePreview();
135 fPreview.update();
136 }
137
138 private CheckboxPreference createOption(Composite composite, int span, String name, String key, String [] values) {
139 return createCheckboxPref(composite, span, name, key, values);
140 }
141 }
142 |
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