| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.common.ui.internal.dialogfield; |
| |
| import org.eclipse.jst.jsf.common.ui.JSFUICommonPlugin; |
| 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; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.forms.widgets.FormToolkit; |
| |
| /** |
| * Dialog field containing a label, text control and a button control. |
| */ |
| public class StringButtonDialogField extends StringDialogField { |
| private Button _browseButton; |
| |
| private String _browseButtonLabel; |
| |
| private IStringButtonAdapter _stringButtonAdapter; |
| |
| private boolean _buttonEnabled; |
| |
| /** |
| * @param adapter |
| */ |
| public StringButtonDialogField(IStringButtonAdapter adapter) { |
| _stringButtonAdapter = adapter; |
| _browseButtonLabel = JSFUICommonPlugin |
| .getResourceString("DialogField.Browse"); //$NON-NLS-1$ |
| _buttonEnabled = true; |
| } |
| |
| /** |
| * Sets the label of the button. |
| * @param label |
| */ |
| public void setButtonLabel(String label) { |
| _browseButtonLabel = label; |
| } |
| |
| // ------ adapter communication |
| |
| /** |
| * Programmatical pressing of the button |
| */ |
| public void changeControlPressed() { |
| _stringButtonAdapter.changeControlPressed(this); |
| } |
| |
| // ------- layout helpers |
| |
| /* |
| * @see DialogField#doFillIntoGrid |
| */ |
| public Control[] doFillIntoGrid(FormToolkit toolkit, Composite parent, |
| int nColumns) { |
| assertEnoughColumns(nColumns); |
| |
| Control requiredLabel = getRequiredLabelControl(toolkit, parent); |
| requiredLabel.setLayoutData(gridDataForLabel(1)); |
| |
| Control label = getLabelControl(toolkit, parent); |
| label.setLayoutData(gridDataForLabel(1)); |
| |
| Text text = getTextControl(toolkit, parent); |
| text.setLayoutData(gridDataForText(nColumns - 3)); |
| Button button = getChangeControl(toolkit, parent); |
| button.setLayoutData(gridDataForButton(toolkit, button, text, 1)); |
| |
| return new Control[] { requiredLabel, label, text, button }; |
| } |
| |
| /* |
| * @see DialogField#getNumberOfControls |
| */ |
| public int getNumberOfControls() { |
| return 4; |
| } |
| |
| /** |
| * @param toolkit |
| * @param button |
| * @param text |
| * @param span |
| * @return the grid data for the button |
| */ |
| protected static GridData gridDataForButton(FormToolkit toolkit, |
| Button button, Text text, int span) { |
| GridData gd = new GridData(); |
| gd.horizontalAlignment = GridData.FILL; |
| gd.grabExcessHorizontalSpace = false; |
| gd.horizontalSpan = span; |
| // gd.heightHint = SWTUtil.getButtonHeightHint(button); |
| gd.widthHint = LayoutUtil.getButtonWidthHint(button); |
| gd.heightHint = LayoutUtil.getButtonHeightHint(toolkit, text); |
| return gd; |
| } |
| |
| // ------- ui creation |
| |
| /** |
| * Creates or returns the created buttom widget. |
| * @param toolkit |
| * |
| * @param parent |
| * The parent composite or <code>null</code> if the widget has |
| * already been created. |
| * @return the button |
| */ |
| public Button getChangeControl(FormToolkit toolkit, Composite parent) { |
| if (_browseButton == null || _browseButton.isDisposed()) { |
| assertCompositeNotNull(parent); |
| if (toolkit != null) { |
| _browseButton = toolkit.createButton(parent, |
| _browseButtonLabel, SWT.PUSH); |
| } else { |
| _browseButton = new Button(parent, SWT.PUSH); |
| _browseButton.setText(_browseButtonLabel); |
| } |
| _browseButton.setEnabled(isEnabled() && _buttonEnabled); |
| _browseButton.addSelectionListener(new SelectionListener() { |
| public void widgetDefaultSelected(SelectionEvent e) { |
| changeControlPressed(); |
| } |
| |
| public void widgetSelected(SelectionEvent e) { |
| changeControlPressed(); |
| } |
| }); |
| |
| } |
| return _browseButton; |
| } |
| |
| // ------ enable / disable management |
| |
| /** |
| * Sets the enable state of the button. |
| * @param enable |
| */ |
| public void enableButton(boolean enable) { |
| if (isOkToUse(_browseButton)) { |
| _browseButton.setEnabled(isEnabled() && enable); |
| } |
| _buttonEnabled = enable; |
| } |
| |
| /* |
| * @see DialogField#updateEnableState |
| */ |
| protected void updateEnableState() { |
| super.updateEnableState(); |
| if (isOkToUse(_browseButton)) { |
| _browseButton.setEnabled(isEnabled() && _buttonEnabled); |
| } |
| } |
| |
| /** |
| * @return Returns the _stringButtonAdapter. |
| */ |
| public IStringButtonAdapter getStringButtonAdapter() { |
| return _stringButtonAdapter; |
| } |
| |
| /** |
| * @param buttonAdapter |
| * The _stringButtonAdapter to set. |
| */ |
| public void setStringButtonAdapter(IStringButtonAdapter buttonAdapter) { |
| _stringButtonAdapter = buttonAdapter; |
| } |
| } |