| /******************************************************************************* |
| * Copyright (c) 2011 Laurent CARON |
| * 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: |
| * Laurent CARON (laurent.caron at gmail dot com) - Initial implementation and API |
| *******************************************************************************/ |
| package org.mihalis.opal.preferenceWindow.widgets; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.StyledText; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.mihalis.opal.utils.SWTGraphicUtil; |
| |
| /** |
| * Instances of this class are labels, that could contain some HTML tags |
| * (B,I,U). |
| */ |
| public class PWLabel extends PWWidget { |
| |
| /** The label widget. */ |
| private StyledText labelWidget; |
| |
| /** |
| * Constructor. |
| * |
| * @param label associated label |
| */ |
| public PWLabel(final String label) { |
| super(label, null, 1, true); |
| setAlignment(GridData.FILL); |
| setGrabExcessSpace(true); |
| } |
| |
| /** |
| * Builds the. |
| * |
| * @param parent the parent |
| * @return the control |
| * @see org.mihalis.opal.preferenceWindow.widgets.PWWidget#build(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| public Control build(final Composite parent) { |
| if (getLabel() == null) { |
| throw new UnsupportedOperationException("You need to set a description for a PWLabel object"); |
| } |
| this.labelWidget = new StyledText(parent, SWT.WRAP | SWT.READ_ONLY); |
| this.labelWidget.setEnabled(false); |
| this.labelWidget.setBackground(parent.getBackground()); |
| this.labelWidget.setText(getLabel()); |
| SWTGraphicUtil.applyHTMLFormating(this.labelWidget); |
| return this.labelWidget; |
| } |
| |
| /** |
| * Check. |
| * |
| * @see org.mihalis.opal.preferenceWindow.widgets.PWWidget#check() |
| */ |
| @Override |
| public void check() { |
| } |
| |
| /** |
| * Enable or disable. |
| * |
| * @return true, if successful |
| * @see org.mihalis.opal.preferenceWindow.widgets.PWWidget#enableOrDisable() |
| */ |
| @Override |
| public boolean enableOrDisable() { |
| if (this.enabler == null) { |
| return true; |
| } |
| |
| final boolean enabled = this.enabler.isEnabled(); |
| if (!this.labelWidget.isDisposed()) { |
| if (enabled) { |
| this.labelWidget.setForeground(this.labelWidget.getDisplay().getSystemColor(SWT.COLOR_BLACK)); |
| } else { |
| this.labelWidget.setForeground(this.labelWidget.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY)); |
| } |
| } |
| return enabled; |
| } |
| |
| } |