+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package net.sourceforge.phpdt.internal.ui.wizards.dialogfields;
-
-import net.sourceforge.phpdt.internal.ui.util.SWTUtil;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.SelectionListener;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-
-/**
- * Dialog Field containing a single button such as a radio or checkbox button.
- */
-public class SelectionButtonDialogField extends DialogField {
-
- private Button fButton;
-
- private boolean fIsSelected;
-
- private DialogField[] fAttachedDialogFields;
-
- private int fButtonStyle;
-
- /**
- * Creates a selection button. Allowed button styles: SWT.RADIO, SWT.CHECK,
- * SWT.TOGGLE, SWT.PUSH
- */
- public SelectionButtonDialogField(int buttonStyle) {
- super();
- fIsSelected = false;
- fAttachedDialogFields = null;
- fButtonStyle = buttonStyle;
- }
-
- /**
- * Attaches a field to the selection state of the selection button. The
- * attached field will be disabled if the selection button is not selected.
- */
- public void attachDialogField(DialogField dialogField) {
- attachDialogFields(new DialogField[] { dialogField });
- }
-
- /**
- * Attaches fields to the selection state of the selection button. The
- * attached fields will be disabled if the selection button is not selected.
- */
- public void attachDialogFields(DialogField[] dialogFields) {
- fAttachedDialogFields = dialogFields;
- for (int i = 0; i < dialogFields.length; i++) {
- dialogFields[i].setEnabled(fIsSelected);
- }
- }
-
- /**
- * Returns <code>true</code> is teh gived field is attached to the
- * selection button.
- */
- public boolean isAttached(DialogField editor) {
- if (fAttachedDialogFields != null) {
- for (int i = 0; i < fAttachedDialogFields.length; i++) {
- if (fAttachedDialogFields[i] == editor) {
- return true;
- }
- }
- }
- return false;
- }
-
- // ------- layout helpers
-
- /*
- * @see DialogField#doFillIntoGrid
- */
- public Control[] doFillIntoGrid(Composite parent, int nColumns) {
- assertEnoughColumns(nColumns);
-
- Button button = getSelectionButton(parent);
- GridData gd = new GridData();
- gd.horizontalSpan = nColumns;
- gd.horizontalAlignment = GridData.FILL;
- if (fButtonStyle == SWT.PUSH) {
- gd.heightHint = SWTUtil.getButtonHeightHint(button);
- gd.widthHint = SWTUtil.getButtonWidthHint(button);
- }
-
- button.setLayoutData(gd);
-
- return new Control[] { button };
- }
-
- /*
- * @see DialogField#getNumberOfControls
- */
- public int getNumberOfControls() {
- return 1;
- }
-
- // ------- ui creation
-
- /**
- * Returns the selection button widget. When called the first time, the
- * widget will be created.
- *
- * @param The
- * parent composite when called the first time, or
- * <code>null</code> after.
- */
- public Button getSelectionButton(Composite group) {
- if (fButton == null) {
- assertCompositeNotNull(group);
-
- fButton = new Button(group, fButtonStyle);
- fButton.setFont(group.getFont());
- fButton.setText(fLabelText);
- fButton.setEnabled(isEnabled());
- fButton.setSelection(fIsSelected);
- fButton.addSelectionListener(new SelectionListener() {
- public void widgetDefaultSelected(SelectionEvent e) {
- doWidgetSelected(e);
- }
-
- public void widgetSelected(SelectionEvent e) {
- doWidgetSelected(e);
- }
- });
- }
- return fButton;
- }
-
- private void doWidgetSelected(SelectionEvent e) {
- if (isOkToUse(fButton)) {
- changeValue(fButton.getSelection());
- }
- }
-
- private void changeValue(boolean newState) {
- if (fIsSelected != newState) {
- fIsSelected = newState;
- if (fAttachedDialogFields != null) {
- boolean focusSet = false;
- for (int i = 0; i < fAttachedDialogFields.length; i++) {
- fAttachedDialogFields[i].setEnabled(fIsSelected);
- if (fIsSelected && !focusSet) {
- focusSet = fAttachedDialogFields[i].setFocus();
- }
- }
- }
- dialogFieldChanged();
- } else if (fButtonStyle == SWT.PUSH) {
- dialogFieldChanged();
- }
- }
-
- // ------ model access
-
- /**
- * Returns the selection state of the button.
- */
- public boolean isSelected() {
- return fIsSelected;
- }
-
- /**
- * Sets the selection state of the button.
- */
- public void setSelection(boolean selected) {
- changeValue(selected);
- if (isOkToUse(fButton)) {
- fButton.setSelection(selected);
- }
- }
-
- // ------ enable / disable management
-
- /*
- * @see DialogField#updateEnableState
- */
- protected void updateEnableState() {
- super.updateEnableState();
- if (isOkToUse(fButton)) {
- fButton.setEnabled(isEnabled());
- }
- }
-
-}
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