/*******************************************************************************
* 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.formatter;
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.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.wst.jsdt.core.JavaScriptCore;
import org.eclipse.wst.jsdt.core.formatter.DefaultCodeFormatterConstants;
public class ControlStatementsTabPage extends FormatterTabPage {
/**
* Constant array for boolean selection
*/
private static String[] FALSE_TRUE = {
DefaultCodeFormatterConstants.FALSE,
DefaultCodeFormatterConstants.TRUE
};
/**
* Constant array for insert / not_insert.
*/
private static String[] DO_NOT_INSERT_INSERT = {
JavaScriptCore.DO_NOT_INSERT,
JavaScriptCore.INSERT
};
private final String PREVIEW=
createPreviewHeader(FormatterMessages.ControlStatementsTabPage_preview_header) +
"function bar() {\n" + //$NON-NLS-1$
" do {} while (true);\n" + //$NON-NLS-1$
"}\n" + //$NON-NLS-1$
"function foo2() {\n" + //$NON-NLS-1$
" if (true) {\n" + //$NON-NLS-1$
" return;\n" + //$NON-NLS-1$
" }\n" + //$NON-NLS-1$
" if (true) {\n" + //$NON-NLS-1$
" return;\n" + //$NON-NLS-1$
" } else if (false) {\n" + //$NON-NLS-1$
" return;\n" + //$NON-NLS-1$
" } else {\n" + //$NON-NLS-1$
" return;\n" + //$NON-NLS-1$
" }\n" + //$NON-NLS-1$
"}\n" + //$NON-NLS-1$
"function foo(state) {\n" + //$NON-NLS-1$
" if (true) return;\n" + //$NON-NLS-1$
" if (true)\n" + //$NON-NLS-1$
" return;\n" + //$NON-NLS-1$
" else if (false)\n" + //$NON-NLS-1$
" return;\n" + //$NON-NLS-1$
" else return;\n" + //$NON-NLS-1$
"}\n" + //$NON-NLS-1$
"function foo4(n) {\n" + //$NON-NLS-1$
" if ( n < 0 ) {" + //$NON-NLS-1$
" throw myException;\n" + //$NON-NLS-1$
" }\n" + //$NON-NLS-1$
"}\n" + //$NON-NLS-1$
"try { a = foo3(b); } catch (e) { a = \"ERROR\"; } finally { c = a; }"; //$NON-NLS-1$
private CompilationUnitPreview fPreview;
protected CheckboxPreference fThenStatementPref, fSimpleIfPref;
public ControlStatementsTabPage(ModifyDialog modifyDialog, Map workingValues) {
super(modifyDialog, workingValues);
}
protected void doCreatePreferences(Composite composite, int numColumns) {
final Group generalGroup= createGroup(numColumns, composite, FormatterMessages.ControlStatementsTabPage_general_group_title);
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);
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);
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);
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);
final Group ifElseGroup= createGroup(numColumns, composite, FormatterMessages.ControlStatementsTabPage_if_else_group_title);
fThenStatementPref= createOption(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_then_on_same_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_THEN_STATEMENT_ON_SAME_LINE, FALSE_TRUE);
Label l= new Label(ifElseGroup, SWT.NONE);
GridData gd= new GridData();
gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(4);
l.setLayoutData(gd);
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);
fThenStatementPref.addObserver( new Observer() {
public void update(Observable o, Object arg) {
fSimpleIfPref.setEnabled(!fThenStatementPref.getChecked());
}
});
fSimpleIfPref.setEnabled(!fThenStatementPref.getChecked());
createOption(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_else_on_same_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_ELSE_STATEMENT_ON_SAME_LINE, FALSE_TRUE);
createCheckboxPref(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_else_if_on_one_line, DefaultCodeFormatterConstants.FORMATTER_COMPACT_ELSE_IF, FALSE_TRUE);
createCheckboxPref(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_guardian_clause_on_one_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_GUARDIAN_CLAUSE_ON_ONE_LINE, FALSE_TRUE);
}
protected void initializePage() {
fPreview.setPreviewText(PREVIEW);
}
/* (non-Javadoc)
* @see org.eclipse.wst.jsdt.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.wst.jsdt.internal.ui.preferences.formatter.ModifyDialogTabPage#doUpdatePreview()
*/
protected void doUpdatePreview() {
super.doUpdatePreview();
fPreview.update();
}
private CheckboxPreference createOption(Composite composite, int span, String name, String key, String [] values) {
return createCheckboxPref(composite, span, name, key, values);
}
}