mirror of
https://github.com/peterdell/wudsn-ide.git
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86 lines
2.5 KiB
Java
86 lines
2.5 KiB
Java
/**
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* Copyright (C) 2009 - 2021 <a href="https://www.wudsn.com" target="_top">Peter Dell</a>
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*
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* This file is part of WUDSN IDE.
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*
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* WUDSN IDE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* WUDSN IDE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with WUDSN IDE. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.wudsn.ide.hex;
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import org.eclipse.jface.resource.JFaceResources;
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import org.eclipse.jface.viewers.AbstractTreeViewer;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.SelectionChangedEvent;
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import org.eclipse.jface.viewers.TreeViewer;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
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/**
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* Content outline page for the hex editor.
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*
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* @author Peter Dell
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*/
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final class HexEditorContentOutlinePage extends ContentOutlinePage {
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private HexEditor editor;
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private Object input;
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HexEditorContentOutlinePage(HexEditor editor) {
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if (editor == null) {
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throw new IllegalArgumentException("Parameter 'editor' must not be null.");
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}
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this.editor = editor;
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}
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@Override
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public void createControl(Composite parent) {
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super.createControl(parent);
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TreeViewer viewer = getTreeViewer();
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viewer.getControl().setFont(JFaceResources.getTextFont());
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viewer.setContentProvider(new HexEditorContentOutlineTreeContentProvider());
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viewer.setLabelProvider(new HexEditorContentOutlineLabelProvider());
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viewer.addSelectionChangedListener(this);
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viewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
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updateTreeView();
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}
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@Override
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public void selectionChanged(SelectionChangedEvent event) {
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super.selectionChanged(event);
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ISelection selection = event.getSelection();
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editor.setSelection(selection);
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}
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void setInput(Object input) {
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if (input == null) {
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throw new IllegalArgumentException("Parameter 'input' must not be null.");
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}
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this.input = input;
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updateTreeView();
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}
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private void updateTreeView() {
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TreeViewer viewer = getTreeViewer();
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if (viewer != null) {
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viewer.setInput(input);
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}
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}
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}
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