--- /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);
+ }
+ }
+ }
+ }
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff