| /*=============================================================================# |
| # Copyright (c) 2021 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.internal.r.ui.pager; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.part.MultiPageEditorPart; |
| |
| import org.eclipse.statet.jcommons.collections.ImList; |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| |
| import org.eclipse.statet.ecommons.text.core.util.ImmutableDocument; |
| |
| import org.eclipse.statet.internal.r.ui.RUIPlugin; |
| import org.eclipse.statet.internal.r.ui.pager.RPagerEditorInput.TextFile; |
| import org.eclipse.statet.ltk.core.input.BasicSourceFragment; |
| import org.eclipse.statet.ltk.ui.input.BasicSourceFragmentEditorInput; |
| import org.eclipse.statet.r.ui.RUI; |
| |
| |
| @NonNullByDefault |
| public class RPagerEditor extends MultiPageEditorPart { |
| |
| |
| public RPagerEditor() { |
| } |
| |
| |
| @Override |
| protected Image getDefaultImage() { |
| return RUI.getImage(RUIPlugin.PAGER_VIEW_IMAGE_ID); |
| } |
| |
| |
| @Override |
| protected void setInputWithNotify(final IEditorInput input) { |
| super.setInput(input); |
| |
| setPartName(input.getName()); |
| |
| if (getContainer() != null) { |
| updatePages(); |
| } |
| |
| firePropertyChange(IEditorPart.PROP_INPUT); |
| } |
| |
| @Override |
| protected void setInput(final IEditorInput input) { |
| setInputWithNotify(input); |
| } |
| |
| |
| protected void updatePages() { |
| while (true) { |
| final int pageCount= getPageCount(); |
| if (pageCount == 0) { |
| break; |
| } |
| removePage(pageCount - 1); |
| } |
| |
| final IEditorInput editorInput= getEditorInput(); |
| if (editorInput instanceof RPagerEditorInput) { |
| final var pagerInput= (RPagerEditorInput)editorInput; |
| final ImList<TextFile> files= pagerInput.getFiles(); |
| int id= 0; |
| for (final var textFile : files) { |
| try { |
| final var sourceFragment= new BasicSourceFragment("RPagerFile#" + id++, |
| textFile.getName(), textFile.getName(), |
| new ImmutableDocument(textFile.getContent(), 0) ); |
| final TextFileEditorPage page= new TextFileEditorPage(); |
| addPage(page, new BasicSourceFragmentEditorInput(sourceFragment)); |
| } |
| catch (final Exception e) { |
| RUIPlugin.logError(String.format("An error occurred when creating R Pager editor page for '%1$s'.", |
| textFile.getName() ), |
| e ); |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected void createPages() { |
| updatePages(); |
| } |
| |
| @Override |
| public void addPage(final int index, final IEditorPart editor, final IEditorInput input) |
| throws PartInitException { |
| super.addPage(index, editor, input); |
| setPageText(index, input.getName()); |
| } |
| |
| |
| @Override |
| public boolean isSaveAsAllowed() { |
| final int pageIndex= getActivePage(); |
| if (pageIndex >= 0) { |
| final IEditorPart editor= getEditor(pageIndex); |
| if (editor != null) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public void doSave(final IProgressMonitor monitor) { |
| } |
| |
| @Override |
| public void doSaveAs() { |
| final int pageIndex= getActivePage(); |
| if (pageIndex >= 0) { |
| final IEditorPart editor= getEditor(pageIndex); |
| if (editor != null) { |
| editor.doSaveAs(); |
| return; |
| } |
| } |
| } |
| |
| } |