| /******************************************************************************* |
| * Copyright (c) 2016 Obeo. |
| * 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: |
| * Obeo - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.eef.ide.ui.internal.widgets; |
| |
| import org.eclipse.eef.EEFWidgetAction; |
| import org.eclipse.eef.common.ui.api.EEFWidgetFactory; |
| import org.eclipse.eef.core.api.utils.EvalFactory; |
| import org.eclipse.sirius.common.interpreter.api.IInterpreter; |
| import org.eclipse.sirius.common.interpreter.api.IVariableManager; |
| import org.eclipse.swt.SWT; |
| 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; |
| |
| /** |
| * Represents an action button widget. |
| * |
| * @author mbats |
| */ |
| public class ActionButton { |
| |
| /** |
| * The minimum width of the button. |
| */ |
| private static final int MINIMUM_BUTTON_WIDTH = 80; |
| |
| /** |
| * The button. |
| */ |
| private Button button; |
| |
| /** |
| * The button listener. |
| */ |
| private SelectionListener selectionListener; |
| |
| /** |
| * The widget action. |
| */ |
| private EEFWidgetAction action; |
| |
| /** |
| * The constructor. |
| * |
| * @param action |
| * Widget action |
| * @param parent |
| * Parent composite |
| * @param widgetFactory |
| * Widget factory |
| * @param interpreter |
| * Interpreter |
| * @param variableManager |
| * Variable manager |
| * |
| */ |
| public ActionButton(EEFWidgetAction action, Composite parent, EEFWidgetFactory widgetFactory, IInterpreter interpreter, |
| IVariableManager variableManager) { |
| this.action = action; |
| this.button = widgetFactory.createButton(parent, "", SWT.NONE); //$NON-NLS-1$ |
| |
| GridData gridData = new GridData(GridData.FILL_HORIZONTAL); |
| gridData.grabExcessHorizontalSpace = true; |
| gridData.minimumWidth = MINIMUM_BUTTON_WIDTH; |
| |
| this.button.setLayoutData(gridData); |
| |
| String expression = action.getLabelExpression(); |
| String buttonLabel = EvalFactory.of(interpreter, variableManager).logIfInvalidType(String.class).defaultValue("...").evaluate(expression); //$NON-NLS-1$ |
| button.setText(buttonLabel); |
| } |
| |
| /** |
| * Sets the enablement of the action button. |
| * |
| * @param isEnabled |
| * <code>true</code> to set the button as enabled, <code>false</code> otherwise |
| */ |
| public void setEnabled(boolean isEnabled) { |
| this.button.setEnabled(isEnabled); |
| } |
| |
| /** |
| * Add a selection listener to the button. |
| * |
| * @param listener |
| * Selection listener |
| */ |
| public void addSelectionListener(SelectionListener listener) { |
| if (!button.isDisposed()) { |
| this.selectionListener = listener; |
| button.addSelectionListener(selectionListener); |
| } |
| } |
| |
| /** |
| * Remove the selection listener. |
| */ |
| public void removeSelectionListener() { |
| if (!button.isDisposed()) { |
| button.removeSelectionListener(selectionListener); |
| } |
| } |
| |
| /** |
| * Get the action. |
| * |
| * @return the action. |
| */ |
| public EEFWidgetAction getAction() { |
| return action; |
| } |
| |
| /** |
| * Get the button. |
| * |
| * @return The button |
| */ |
| public Control getButton() { |
| return button; |
| } |
| } |