| /******************************************************************************* |
| * Copyright (c) 2000, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.examples.readmetool; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.swt.custom.StyledText; |
| import org.eclipse.swt.dnd.DND; |
| import org.eclipse.swt.dnd.DropTargetEvent; |
| import org.eclipse.swt.dnd.DropTargetListener; |
| import org.eclipse.swt.dnd.TextTransfer; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IFileEditorInput; |
| import org.eclipse.ui.dnd.IDragAndDropService; |
| import org.eclipse.ui.editors.text.TextEditor; |
| import org.eclipse.ui.views.contentoutline.IContentOutlinePage; |
| |
| /** |
| * This class implements the Readme editor. Since the readme |
| * editor is mostly just a text editor, there is very little |
| * implemented in this actual class. It can be regarded as |
| * simply decorating the text editor with a content outline. |
| */ |
| public class ReadmeEditor extends TextEditor { |
| protected ReadmeContentOutlinePage page; |
| |
| /** |
| * Creates a new ReadmeEditor. |
| */ |
| public ReadmeEditor() { |
| super(); |
| } |
| |
| @Override |
| public void createPartControl(Composite parent) { |
| super.createPartControl(parent); |
| |
| StyledText tw = getSourceViewer().getTextWidget(); |
| |
| // Add a 'TextTransfer' drop target to the editor |
| int ops = DND.DROP_DEFAULT | DND.DROP_COPY; |
| Transfer[] transfers = { TextTransfer.getInstance() }; |
| DropTargetListener editorListener = new DropTargetListener() { |
| |
| @Override |
| public void dragEnter(DropTargetEvent event) { |
| event.detail = DND.DROP_COPY; |
| } |
| |
| @Override |
| public void dragLeave(DropTargetEvent event) { |
| } |
| |
| @Override |
| public void dragOperationChanged(DropTargetEvent event) { |
| event.detail = DND.DROP_COPY; |
| } |
| |
| @Override |
| public void dragOver(DropTargetEvent event) { |
| event.feedback = DND.FEEDBACK_SCROLL | DND.FEEDBACK_SELECT; |
| } |
| |
| @Override |
| public void drop(DropTargetEvent event) { |
| if (TextTransfer.getInstance().isSupportedType(event.currentDataType)) { |
| String text = (String) event.data; |
| getSourceViewer().getTextWidget().insert(text); |
| } |
| } |
| |
| @Override |
| public void dropAccept(DropTargetEvent event) { |
| } |
| |
| }; |
| |
| IDragAndDropService dtSvc = getSite().getService(IDragAndDropService.class); |
| dtSvc.addMergedDropTarget(tw, ops, transfers, editorListener); |
| } |
| |
| @Override |
| public void doSave(IProgressMonitor monitor) { |
| super.doSave(monitor); |
| if (page != null) |
| page.update(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public <T> T getAdapter(Class<T> key) { |
| if (key.equals(IContentOutlinePage.class)) { |
| IEditorInput input = getEditorInput(); |
| if (input instanceof IFileEditorInput) { |
| page = new ReadmeContentOutlinePage(((IFileEditorInput) input) |
| .getFile()); |
| return (T) page; |
| } |
| } |
| return super.getAdapter(key); |
| } |
| |
| @Override |
| protected void editorContextMenuAboutToShow(IMenuManager parentMenu) { |
| super.editorContextMenuAboutToShow(parentMenu); |
| parentMenu.add(new Separator()); |
| IMenuManager subMenu = new MenuManager(MessageUtil.getString("Add")); //$NON-NLS-1$ |
| parentMenu.add(subMenu); |
| if (subMenu != null) { |
| // Add readme actions with various attributes |
| Object[][] att = new Object[][] { { IReadmeConstants.MARKER_ATT_ID, |
| Integer.valueOf(1234) } }; |
| subMenu |
| .add(new AddReadmeMarkerAction( |
| this, |
| MessageUtil |
| .getString("Add_readme_marker_action_label") + "1", //$NON-NLS-1$ //$NON-NLS-2$ |
| att, |
| MessageUtil |
| .getString("Readme_marker_message_example") + " id=1234")); //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| att = new Object[][] { { IReadmeConstants.MARKER_ATT_LEVEL, |
| Integer.valueOf(7) } }; |
| subMenu |
| .add(new AddReadmeMarkerAction( |
| this, |
| MessageUtil |
| .getString("Add_readme_marker_action_label") + "2", //$NON-NLS-1$ //$NON-NLS-2$ |
| att, |
| MessageUtil |
| .getString("Readme_marker_message_example") + " level=7")); //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| att = new Object[][] { |
| { IReadmeConstants.MARKER_ATT_LEVEL, Integer.valueOf(7) }, |
| { IReadmeConstants.MARKER_ATT_DEPT, "infra" } }; //$NON-NLS-1$ |
| subMenu |
| .add(new AddReadmeMarkerAction( |
| this, |
| MessageUtil |
| .getString("Add_readme_marker_action_label") + "3", //$NON-NLS-1$ //$NON-NLS-2$ |
| att, |
| MessageUtil |
| .getString("Readme_marker_message_example") + " level=7, department=infra")); //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| att = new Object[][] { { IReadmeConstants.MARKER_ATT_CODE, "red" } }; //$NON-NLS-1$ |
| subMenu |
| .add(new AddReadmeMarkerAction( |
| this, |
| MessageUtil |
| .getString("Add_readme_marker_action_label") + "4", //$NON-NLS-1$ //$NON-NLS-2$ |
| att, |
| MessageUtil |
| .getString("Readme_marker_message_example") + " code=red")); //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| att = new Object[][] { { IReadmeConstants.MARKER_ATT_LANG, |
| "english" } }; //$NON-NLS-1$ |
| subMenu |
| .add(new AddReadmeMarkerAction( |
| this, |
| MessageUtil |
| .getString("Add_readme_marker_action_label") + "5", //$NON-NLS-1$ //$NON-NLS-2$ |
| att, |
| MessageUtil |
| .getString("Readme_marker_message_example") + " language=english")); //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| att = new Object[][] { |
| { IReadmeConstants.MARKER_ATT_ID, Integer.valueOf(1234) }, |
| { IReadmeConstants.MARKER_ATT_LEVEL, Integer.valueOf(7) }, |
| { IReadmeConstants.MARKER_ATT_DEPT, "infra" }, //$NON-NLS-1$ |
| { IReadmeConstants.MARKER_ATT_CODE, "red" }, //$NON-NLS-1$ |
| { IReadmeConstants.MARKER_ATT_LANG, "english" } }; //$NON-NLS-1$ |
| subMenu |
| .add(new AddReadmeMarkerAction( |
| this, |
| MessageUtil |
| .getString("Add_readme_marker_action_label") + "6", //$NON-NLS-1$ //$NON-NLS-2$ |
| att, |
| MessageUtil |
| .getString("Readme_marker_message_example") + //$NON-NLS-1$ |
| " id=1234, level=7, department=infra, code=red, language=english")); //$NON-NLS-1$ |
| |
| att = new Object[0][0]; |
| subMenu |
| .add(new AddReadmeMarkerAction( |
| this, |
| MessageUtil |
| .getString("Add_readme_marker_action_label") + "7", //$NON-NLS-1$ //$NON-NLS-2$ |
| att, |
| MessageUtil |
| .getString("Readme_marker_message_example") + " No attributes specified")); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |
| |
| } |
