| /******************************************************************************* |
| * 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 org.eclipse.cdt.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; |
| } |
| |
| protected 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; |
| } |
| |
| protected void doModifyText(ModifyEvent e) { |
| if (isOkToUse(fComboControl)) { |
| fText= fComboControl.getText(); |
| fSelectionIndex= fComboControl.getSelectionIndex(); |
| } |
| dialogFieldChanged(); |
| } |
| |
| protected 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); |
| } |
| } |
| |
| } |