/*******************************************************************************
* Copyright (c) 2000, 2012 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.formatter;
import java.util.Map;
import java.util.Observable;
import java.util.Observer;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.cdt.core.formatter.DefaultCodeFormatterConstants;
public class BracesTabPage extends FormatterTabPage {
/**
* Some C++ source code used for preview.
*/
private final static String PREVIEW=
createPreviewHeader(FormatterMessages.BracesTabPage_preview_header) +
"#include <math.h>\n\n" + //$NON-NLS-1$
"int digits[]= { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };" + //$NON-NLS-1$
"\n\n" + //$NON-NLS-1$
"class Point {" + //$NON-NLS-1$
"public:" + //$NON-NLS-1$
"Point(double x, double y) : x(x), y(y) {}" + //$NON-NLS-1$
"double distance(const Point& other) const;" + //$NON-NLS-1$
"int compareX(const Point& other) const;" + //$NON-NLS-1$
"double x;" + //$NON-NLS-1$
"double y;" + //$NON-NLS-1$
"};" + //$NON-NLS-1$
"\n\n" + //$NON-NLS-1$
"double Point::distance(const Point& other) const {" + //$NON-NLS-1$
"double dx = x - other.x;" + //$NON-NLS-1$
"double dy = y - other.y;" + //$NON-NLS-1$
"return sqrt(dx * dx + dy * dy);" + //$NON-NLS-1$
"}"+ //$NON-NLS-1$
"\n\n" + //$NON-NLS-1$
"int Point::compareX(const Point& other) const {" + //$NON-NLS-1$
"if(x < other.x) {" + //$NON-NLS-1$
"return -1;" + //$NON-NLS-1$
"} else if(x > other.x){" + //$NON-NLS-1$
"return 1;" + //$NON-NLS-1$
"} else {" + //$NON-NLS-1$
"return 0;" + //$NON-NLS-1$
"}"+ //$NON-NLS-1$
"}"+ //$NON-NLS-1$
"\n\n" + //$NON-NLS-1$
"namespace FOO {"+ //$NON-NLS-1$
"int foo(int bar) const {" + //$NON-NLS-1$
"switch(bar) {" + //$NON-NLS-1$
"case 0:" + //$NON-NLS-1$
"++bar;" + //$NON-NLS-1$
"break;" + //$NON-NLS-1$
"case 1:" + //$NON-NLS-1$
"--bar;" + //$NON-NLS-1$
"default: {" + //$NON-NLS-1$
"bar += bar;" + //$NON-NLS-1$
"break;" + //$NON-NLS-1$
"}"+ //$NON-NLS-1$
"}"+ //$NON-NLS-1$
"}"+ //$NON-NLS-1$
"} // end namespace FOO"; //$NON-NLS-1$
private TranslationUnitPreview fPreview;
private final String[] fBracePositions= {
DefaultCodeFormatterConstants.END_OF_LINE,
DefaultCodeFormatterConstants.NEXT_LINE,
DefaultCodeFormatterConstants.NEXT_LINE_SHIFTED
};
private final String[] fExtendedBracePositions= {
DefaultCodeFormatterConstants.END_OF_LINE,
DefaultCodeFormatterConstants.NEXT_LINE,
DefaultCodeFormatterConstants.NEXT_LINE_SHIFTED,
DefaultCodeFormatterConstants.NEXT_LINE_ON_WRAP
};
private final String[] fBracePositionNames= {
FormatterMessages.BracesTabPage_position_same_line,
FormatterMessages.BracesTabPage_position_next_line,
FormatterMessages.BracesTabPage_position_next_line_indented
};
private final String[] fExtendedBracePositionNames= {
FormatterMessages.BracesTabPage_position_same_line,
FormatterMessages.BracesTabPage_position_next_line,
FormatterMessages.BracesTabPage_position_next_line_indented,
FormatterMessages.BracesTabPage_position_next_line_on_wrap
};
/**
* Create a new BracesTabPage.
* @param modifyDialog
* @param workingValues
*/
public BracesTabPage(ModifyDialog modifyDialog, Map<String, String> workingValues) {
super(modifyDialog, workingValues);
}
@Override
protected void doCreatePreferences(Composite composite, int numColumns) {
final Group group= createGroup(numColumns, composite, FormatterMessages.BracesTabPage_group_brace_positions_title);
createExtendedBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_class_declaration, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_TYPE_DECLARATION);
createExtendedBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_namespace_declaration, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_NAMESPACE_DECLARATION);
// createExtendedBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_constructor_declaration, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_CONSTRUCTOR_DECLARATION);
createExtendedBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_function_declaration, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_METHOD_DECLARATION);
// createExtendedBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_enum_declaration, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_ENUM_DECLARATION);
// createExtendedBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_enumconst_declaration, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_ENUM_CONSTANT);
// createExtendedBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_annotation_type_declaration, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_ANNOTATION_TYPE_DECLARATION);
createExtendedBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_blocks, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_BLOCK);
createExtendedBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_blocks_in_case, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_BLOCK_IN_CASE);
createBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_switch_case, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_SWITCH);
ComboPreference arrayInitOption= createBracesCombo(group, numColumns, FormatterMessages.BracesTabPage_option_initializer_list, DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_INITIALIZER_LIST);
final CheckboxPreference arrayInitCheckBox= createIndentedCheckboxPref(group, numColumns, FormatterMessages.BracesTabPage_option_keep_empty_initializer_list_on_one_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_EMPTY_INITIALIZER_LIST_ON_ONE_LINE, FALSE_TRUE);
arrayInitOption.addObserver(new Observer() {
@Override
public void update(Observable o, Object arg) {
updateOptionEnablement((ComboPreference) o, arrayInitCheckBox);
}
});
updateOptionEnablement(arrayInitOption, arrayInitCheckBox);
}
/**
* @param arrayInitOption
* @param arrayInitCheckBox
*/
protected final void updateOptionEnablement(ComboPreference arrayInitOption, CheckboxPreference arrayInitCheckBox) {
arrayInitCheckBox.setEnabled(!arrayInitOption.hasValue(DefaultCodeFormatterConstants.END_OF_LINE));
}
@Override
protected void initializePage() {
fPreview.setPreviewText(PREVIEW);
}
@Override
protected CPreview doCreateCPreview(Composite parent) {
fPreview= new TranslationUnitPreview(fWorkingValues, parent);
return fPreview;
}
private ComboPreference createBracesCombo(Composite composite, int numColumns, String message, String key) {
return createComboPref(composite, numColumns, message, key, fBracePositions, fBracePositionNames);
}
private ComboPreference createExtendedBracesCombo(Composite composite, int numColumns, String message, String key) {
return createComboPref(composite, numColumns, message, key, fExtendedBracePositions, fExtendedBracePositionNames);
}
private CheckboxPreference createIndentedCheckboxPref(Composite composite, int numColumns, String message, String key, String[] values) {
CheckboxPreference pref= createCheckboxPref(composite, numColumns, message, key, values);
GridData data= (GridData) pref.getControl().getLayoutData();
data.horizontalIndent= fPixelConverter.convertWidthInCharsToPixels(1);
return pref;
}
@Override
protected void doUpdatePreview() {
fPreview.update();
}
}