| /******************************************************************************* |
| * Copyright (c) 2004, 2011 Tasktop Technologies 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 |
| * https://www.eclipse.org/legal/epl-2.0 |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.tasks.ui.editors; |
| |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.source.SourceViewer; |
| import org.eclipse.mylyn.commons.workbench.editors.CommonTextSupport; |
| import org.eclipse.mylyn.commons.workbench.forms.CommonFormUtil; |
| import org.eclipse.mylyn.internal.tasks.ui.editors.RepositoryTextViewerConfiguration.Mode; |
| import org.eclipse.mylyn.tasks.core.data.TaskAttribute; |
| import org.eclipse.mylyn.tasks.core.data.TaskDataModel; |
| import org.eclipse.mylyn.tasks.ui.editors.AbstractAttributeEditor; |
| import org.eclipse.mylyn.tasks.ui.editors.LayoutHint; |
| import org.eclipse.mylyn.tasks.ui.editors.LayoutHint.ColumnSpan; |
| import org.eclipse.mylyn.tasks.ui.editors.LayoutHint.RowSpan; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.StyledText; |
| import org.eclipse.swt.events.ModifyEvent; |
| import org.eclipse.swt.events.ModifyListener; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.forms.widgets.FormToolkit; |
| |
| /** |
| * @author Steffen Pingel |
| */ |
| public class LongTextAttributeEditor extends AbstractAttributeEditor { |
| |
| private SourceViewer viewer; |
| |
| boolean ignoreNotification; |
| |
| boolean suppressRefresh; |
| |
| public LongTextAttributeEditor(TaskDataModel manager, TaskAttribute taskAttribute) { |
| super(manager, taskAttribute); |
| setLayoutHint(new LayoutHint(RowSpan.MULTIPLE, ColumnSpan.MULTIPLE)); |
| } |
| |
| @Override |
| public void createControl(Composite parent, FormToolkit toolkit) { |
| int style = SWT.FLAT | SWT.MULTI | SWT.WRAP; |
| if (!isReadOnly()) { |
| style |= SWT.V_SCROLL; |
| } |
| viewer = new SourceViewer(parent, null, style); |
| RepositoryTextViewerConfiguration configuration = RichTextEditor.installHyperlinkPresenter(viewer, |
| getModel().getTaskRepository(), getModel().getTask(), Mode.DEFAULT); |
| viewer.configure(configuration); |
| viewer.setDocument(new Document(getValue())); |
| final StyledText text = viewer.getTextWidget(); |
| text.setToolTipText(getDescription()); |
| toolkit.adapt(text, false, false); |
| |
| // enable cut/copy/paste |
| CommonTextSupport.setTextViewer(text, viewer); |
| |
| if (isReadOnly()) { |
| viewer.setEditable(false); |
| } else { |
| viewer.setEditable(true); |
| text.setData(FormToolkit.KEY_DRAW_BORDER, FormToolkit.TREE_BORDER); |
| text.addModifyListener(new ModifyListener() { |
| public void modifyText(ModifyEvent e) { |
| try { |
| suppressRefresh = true; |
| setValue(text.getText()); |
| CommonFormUtil.ensureVisible(text); |
| } finally { |
| suppressRefresh = false; |
| } |
| } |
| }); |
| } |
| |
| setControl(text); |
| } |
| |
| public String getValue() { |
| return getAttributeMapper().getValue(getTaskAttribute()); |
| } |
| |
| public void setValue(String text) { |
| getAttributeMapper().setValue(getTaskAttribute(), text); |
| attributeChanged(); |
| } |
| |
| @Override |
| public void refresh() { |
| if (viewer.getTextWidget() != null && !viewer.getTextWidget().isDisposed()) { |
| try { |
| ignoreNotification = true; |
| viewer.getDocument().set(getValue()); |
| } finally { |
| ignoreNotification = false; |
| } |
| } |
| } |
| |
| @Override |
| public boolean shouldAutoRefresh() { |
| return !suppressRefresh; |
| } |
| |
| } |