+++ /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 org.eclipse.jface.util.Assert;
-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.layout.GridLayout;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Group;
-import org.eclipse.swt.widgets.Label;
-
-/**
- * Dialog field describing a group with buttons (Checkboxes, radio buttons..)
- */
-public class SelectionButtonDialogFieldGroup extends DialogField {
-
- private Composite fButtonComposite;
-
- private Button[] fButtons;
- private String[] fButtonNames;
- private boolean[] fButtonsSelected;
- private boolean[] fButtonsEnabled;
-
- private int fGroupBorderStyle;
- private int fGroupNumberOfColumns;
- private int fButtonsStyle;
-
- /**
- * Creates a group without border.
- */
- public SelectionButtonDialogFieldGroup(int buttonsStyle, String[] buttonNames, int nColumns) {
- this(buttonsStyle, buttonNames, nColumns, SWT.NONE);
- }
-
-
- /**
- * Creates a group with border (label in border).
- * Accepted button styles are: SWT.RADIO, SWT.CHECK, SWT.TOGGLE
- * For border styles see <code>Group</code>
- */
- public SelectionButtonDialogFieldGroup(int buttonsStyle, String[] buttonNames, int nColumns, int borderStyle) {
- super();
-
- Assert.isTrue(buttonsStyle == SWT.RADIO || buttonsStyle == SWT.CHECK || buttonsStyle == SWT.TOGGLE);
- fButtonNames= buttonNames;
-
- int nButtons= buttonNames.length;
- fButtonsSelected= new boolean[nButtons];
- fButtonsEnabled= new boolean[nButtons];
- for (int i= 0; i < nButtons; i++) {
- fButtonsSelected[i]= false;
- fButtonsEnabled[i]= true;
- }
- if (fButtonsStyle == SWT.RADIO) {
- fButtonsSelected[0]= true;
- }
-
- fGroupBorderStyle= borderStyle;
- fGroupNumberOfColumns= (nColumns <= 0) ? nButtons : nColumns;
-
- fButtonsStyle= buttonsStyle;
-
- }
-
- // ------- layout helpers
-
- /*
- * @see DialogField#doFillIntoGrid
- */
- public Control[] doFillIntoGrid(Composite parent, int nColumns) {
- assertEnoughColumns(nColumns);
-
- if (fGroupBorderStyle == SWT.NONE) {
- Label label= getLabelControl(parent);
- label.setLayoutData(gridDataForLabel(1));
-
- Composite buttonsgroup= getSelectionButtonsGroup(parent);
- GridData gd= new GridData();
- gd.horizontalSpan= nColumns - 1;
- buttonsgroup.setLayoutData(gd);
-
- return new Control[] { label, buttonsgroup };
- } else {
- Composite buttonsgroup= getSelectionButtonsGroup(parent);
- GridData gd= new GridData();
- gd.horizontalSpan= nColumns;
- buttonsgroup.setLayoutData(gd);
-
- return new Control[] { buttonsgroup };
- }
- }
-
- /*
- * @see DialogField#doFillIntoGrid
- */
- public int getNumberOfControls() {
- return (fGroupBorderStyle == SWT.NONE) ? 2 : 1;
- }
-
- // ------- ui creation
-
- private Button createSelectionButton(int index, Composite group, SelectionListener listener) {
- Button button= new Button(group, fButtonsStyle | SWT.LEFT);
- button.setFont(group.getFont());
- button.setText(fButtonNames[index]);
- button.setEnabled(isEnabled() && fButtonsEnabled[index]);
- button.setSelection(fButtonsSelected[index]);
- button.addSelectionListener(listener);
- button.setLayoutData(new GridData());
- return button;
- }
-
- /**
- * Returns the group 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 Composite getSelectionButtonsGroup(Composite parent) {
- if (fButtonComposite == null) {
- assertCompositeNotNull(parent);
-
- GridLayout layout= new GridLayout();
- layout.makeColumnsEqualWidth= true;
- layout.numColumns= fGroupNumberOfColumns;
-
- if (fGroupBorderStyle != SWT.NONE) {
- Group group= new Group(parent, fGroupBorderStyle);
- if (fLabelText != null && fLabelText.length() > 0) {
- group.setText(fLabelText);
- }
- fButtonComposite= group;
- } else {
- fButtonComposite= new Composite(parent, SWT.NULL);
- layout.marginHeight= 0;
- layout.marginWidth= 0;
- }
-
- fButtonComposite.setLayout(layout);
-
- SelectionListener listener= new SelectionListener() {
- public void widgetDefaultSelected(SelectionEvent e) {
- doWidgetSelected(e);
- }
- public void widgetSelected(SelectionEvent e) {
- doWidgetSelected(e);
- }
- };
- int nButtons= fButtonNames.length;
- fButtons= new Button[nButtons];
- for (int i= 0; i < nButtons; i++) {
- fButtons[i]= createSelectionButton(i, fButtonComposite, listener);
- }
- int nRows= nButtons / fGroupNumberOfColumns;
- int nFillElements= nRows * fGroupNumberOfColumns - nButtons;
- for (int i= 0; i < nFillElements; i++) {
- createEmptySpace(fButtonComposite);
- }
- }
- return fButtonComposite;
- }
-
- /**
- * Returns a button from the group or <code>null</code> if not yet created.
- */
- public Button getSelectionButton(int index) {
- if (index >= 0 && index < fButtons.length) {
- return fButtons[index];
- }
- return null;
- }
-
- private void doWidgetSelected(SelectionEvent e) {
- Button button= (Button)e.widget;
- for (int i= 0; i < fButtons.length; i++) {
- if (fButtons[i] == button) {
- fButtonsSelected[i]= button.getSelection();
- dialogFieldChanged();
- return;
- }
- }
- }
-
- // ------ model access
-
- /**
- * Returns the selection state of a button contained in the group.
- * @param The index of the button
- */
- public boolean isSelected(int index) {
- if (index >= 0 && index < fButtonsSelected.length) {
- return fButtonsSelected[index];
- }
- return false;
- }
-
- /**
- * Sets the selection state of a button contained in the group.
- */
- public void setSelection(int index, boolean selected) {
- if (index >= 0 && index < fButtonsSelected.length) {
- if (fButtonsSelected[index] != selected) {
- fButtonsSelected[index]= selected;
- if (fButtons != null) {
- Button button= fButtons[index];
- if (isOkToUse(button)) {
- button.setSelection(selected);
- }
- }
- }
- }
- }
-
- // ------ enable / disable management
-
- protected void updateEnableState() {
- super.updateEnableState();
- if (fButtons != null) {
- boolean enabled= isEnabled();
- for (int i= 0; i < fButtons.length; i++) {
- Button button= fButtons[i];
- if (isOkToUse(button)) {
- button.setEnabled(enabled && fButtonsEnabled[i]);
- }
- }
- }
- }
-
- /**
- * Sets the enable state of a button contained in the group.
- */
- public void enableSelectionButton(int index, boolean enable) {
- if (index >= 0 && index < fButtonsEnabled.length) {
- fButtonsEnabled[index]= enable;
- if (fButtons != null) {
- Button button= fButtons[index];
- if (isOkToUse(button)) {
- button.setEnabled(isEnabled() && enable);
- }
- }
- }
- }
-}
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