/*******************************************************************************
* Copyright (c) 2000, 2015 IBM Corporation and others.
* 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:
* 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")); //$NON-NLS-1$ //$NON-NLS-2$
}
}
}