--- /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.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+
+/**
+ * Dialog field containing a label and a combo control.
+ */
+public class ComboDialogField extends DialogField {
+
+ private String fText;
+
+ private int fSelectionIndex;
+
+ private String[] fItems;
+
+ private Combo fComboControl;
+
+ private ModifyListener fModifyListener;
+
+ private int fFlags;
+
+ public ComboDialogField(int flags) {
+ super();
+ fText = ""; //$NON-NLS-1$
+ fItems = new String[0];
+ fFlags = flags;
+ fSelectionIndex = -1;
+ }
+
+ // ------- layout helpers
+
+ /*
+ * @see DialogField#doFillIntoGrid
+ */
+ public Control[] doFillIntoGrid(Composite parent, int nColumns) {
+ assertEnoughColumns(nColumns);
+
+ Label label = getLabelControl(parent);
+ label.setLayoutData(gridDataForLabel(1));
+ Combo combo = getComboControl(parent);
+ combo.setLayoutData(gridDataForCombo(nColumns - 1));
+
+ return new Control[] { label, combo };
+ }
+
+ /*
+ * @see DialogField#getNumberOfControls
+ */
+ public int getNumberOfControls() {
+ return 2;
+ }
+
+ private static GridData gridDataForCombo(int span) {
+ GridData gd = new GridData();
+ gd.horizontalAlignment = GridData.FILL;
+ gd.grabExcessHorizontalSpace = false;
+ gd.horizontalSpan = span;
+ return gd;
+ }
+
+ // ------- focus methods
+
+ /*
+ * @see DialogField#setFocus
+ */
+ public boolean setFocus() {
+ if (isOkToUse(fComboControl)) {
+ fComboControl.setFocus();
+ }
+ return true;
+ }
+
+ // ------- ui creation
+
+ /**
+ * Creates or returns the created combo control.
+ *
+ * @param parent
+ * The parent composite or <code>null</code> when the widget
+ * has already been created.
+ */
+ public Combo getComboControl(Composite parent) {
+ if (fComboControl == null) {
+ assertCompositeNotNull(parent);
+ fModifyListener = new ModifyListener() {
+ public void modifyText(ModifyEvent e) {
+ doModifyText(e);
+ }
+ };
+ SelectionListener selectionListener = new SelectionListener() {
+ public void widgetSelected(SelectionEvent e) {
+ doSelectionChanged(e);
+ }
+
+ public void widgetDefaultSelected(SelectionEvent e) {
+ };
+ };
+
+ fComboControl = new Combo(parent, fFlags);
+ // moved up due to 1GEUNW2
+ fComboControl.setItems(fItems);
+ if (fSelectionIndex != -1) {
+ fComboControl.select(fSelectionIndex);
+ } else {
+ fComboControl.setText(fText);
+ }
+ fComboControl.setFont(parent.getFont());
+ fComboControl.addModifyListener(fModifyListener);
+ fComboControl.addSelectionListener(selectionListener);
+ fComboControl.setEnabled(isEnabled());
+ }
+ return fComboControl;
+ }
+
+ private void doModifyText(ModifyEvent e) {
+ if (isOkToUse(fComboControl)) {
+ fText = fComboControl.getText();
+ fSelectionIndex = fComboControl.getSelectionIndex();
+ }
+ dialogFieldChanged();
+ }
+
+ private void doSelectionChanged(SelectionEvent e) {
+ if (isOkToUse(fComboControl)) {
+ fItems = fComboControl.getItems();
+ fText = fComboControl.getText();
+ fSelectionIndex = fComboControl.getSelectionIndex();
+ }
+ dialogFieldChanged();
+ }
+
+ // ------ enable / disable management
+
+ /*
+ * @see DialogField#updateEnableState
+ */
+ protected void updateEnableState() {
+ super.updateEnableState();
+ if (isOkToUse(fComboControl)) {
+ fComboControl.setEnabled(isEnabled());
+ }
+ }
+
+ // ------ text access
+
+ /**
+ * Gets the combo items.
+ */
+ public String[] getItems() {
+ return fItems;
+ }
+
+ /**
+ * Sets the combo items. Triggers a dialog-changed event.
+ */
+ public void setItems(String[] items) {
+ fItems = items;
+ if (isOkToUse(fComboControl)) {
+ fComboControl.setItems(items);
+ }
+ dialogFieldChanged();
+ }
+
+ /**
+ * Gets the text.
+ */
+ public String getText() {
+ return fText;
+ }
+
+ /**
+ * Sets the text. Triggers a dialog-changed event.
+ */
+ public void setText(String text) {
+ fText = text;
+ if (isOkToUse(fComboControl)) {
+ fComboControl.setText(text);
+ } else {
+ dialogFieldChanged();
+ }
+ }
+
+ /**
+ * Selects an item.
+ */
+ public void selectItem(int index) {
+ if (isOkToUse(fComboControl)) {
+ fComboControl.select(index);
+ } else {
+ if (index >= 0 && index < fItems.length) {
+ fText = fItems[index];
+ fSelectionIndex = index;
+ }
+ }
+ dialogFieldChanged();
+ }
+
+ public int getSelectionIndex() {
+ return fSelectionIndex;
+ }
+
+ /**
+ * Sets the text without triggering a dialog-changed event.
+ */
+// public void setTextWithoutUpdate(String text) {
+// fText = text;
+// if (isOkToUse(fComboControl)) {
+// fComboControl.removeModifyListener(fModifyListener);
+// fComboControl.setText(text);
+// fComboControl.addModifyListener(fModifyListener);
+// }
+// }
+
+}
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