| /******************************************************************************* |
| * Copyright (c) 2000, 2017 IBM Corporation and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.ui.wizards.dialogfields; |
| |
| import org.eclipse.dltk.internal.ui.util.SWTUtil; |
| 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.Label; |
| import org.eclipse.swt.widgets.Text; |
| |
| /** |
| * Dialog field containing a label, text control and a button control. |
| */ |
| public class StringButtonDialogField extends StringDialogField { |
| |
| private Button fBrowseButton; |
| private String fBrowseButtonLabel; |
| private IStringButtonAdapter fStringButtonAdapter; |
| private boolean useLabel = true; |
| |
| private boolean fButtonEnabled; |
| |
| public StringButtonDialogField(IStringButtonAdapter adapter) { |
| super(); |
| fStringButtonAdapter = adapter; |
| fBrowseButtonLabel = "!Browse...!"; //$NON-NLS-1$ |
| fButtonEnabled = true; |
| } |
| |
| /** |
| * Sets the label of the button. |
| */ |
| public void setButtonLabel(String label) { |
| fBrowseButtonLabel = label; |
| } |
| |
| // ------ adapter communication |
| |
| /** |
| * Programmatical pressing of the button |
| */ |
| public void changeControlPressed() { |
| fStringButtonAdapter.changeControlPressed(this); |
| } |
| |
| // ------- layout helpers |
| |
| @Override |
| public Control[] doFillIntoGrid(Composite parent, int nColumns) { |
| assertEnoughColumns(nColumns); |
| final Control[] result = new Control[getNumberOfControls()]; |
| int resultIndex = 0; |
| final boolean useLabel = isUseLabel(); |
| if (useLabel) { |
| final Label label = getLabelControl(parent); |
| label.setLayoutData(gridDataForLabel(1)); |
| result[resultIndex++] = label; |
| } |
| final Text text = getTextControl(parent); |
| text.setLayoutData(gridDataForText(nColumns - 2)); |
| result[resultIndex++] = text; |
| final Button button = getChangeControl(parent); |
| button.setLayoutData(gridDataForButton(button, 1)); |
| result[resultIndex++] = button; |
| return result; |
| } |
| |
| @Override |
| public int getNumberOfControls() { |
| return isUseLabel() ? 3 : 2; |
| } |
| |
| public boolean isUseLabel() { |
| return useLabel; |
| } |
| |
| public void setUseLabel(boolean value) { |
| this.useLabel = value; |
| } |
| |
| public static GridData gridDataForButton(Button button, int span) { |
| GridData gd = new GridData(); |
| gd.horizontalAlignment = GridData.FILL; |
| gd.grabExcessHorizontalSpace = false; |
| gd.horizontalSpan = span; |
| gd.widthHint = SWTUtil.getButtonWidthHint(button); |
| return gd; |
| } |
| |
| // ------- ui creation |
| |
| /** |
| * Creates or returns the created buttom widget. |
| * |
| * @param parent |
| * The parent composite or <code>null</code> if the widget has |
| * already been created. |
| */ |
| public Button getChangeControl(Composite parent) { |
| if (fBrowseButton == null) { |
| assertCompositeNotNull(parent); |
| |
| fBrowseButton = new Button(parent, SWT.PUSH); |
| fBrowseButton.setFont(parent.getFont()); |
| fBrowseButton.setText(fBrowseButtonLabel); |
| fBrowseButton.setEnabled(isEnabled() && fButtonEnabled); |
| fBrowseButton.addSelectionListener(new SelectionListener() { |
| @Override |
| public void widgetDefaultSelected(SelectionEvent e) { |
| changeControlPressed(); |
| } |
| |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| changeControlPressed(); |
| } |
| }); |
| |
| } |
| return fBrowseButton; |
| } |
| |
| // ------ enable / disable management |
| |
| /** |
| * Sets the enable state of the button. |
| */ |
| public void enableButton(boolean enable) { |
| if (isOkToUse(fBrowseButton)) { |
| fBrowseButton.setEnabled(isEnabled() && enable); |
| } |
| fButtonEnabled = enable; |
| } |
| |
| @Override |
| protected void updateEnableState() { |
| super.updateEnableState(); |
| if (isOkToUse(fBrowseButton)) { |
| fBrowseButton.setEnabled(isEnabled() && fButtonEnabled); |
| } |
| } |
| } |