mirror of
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98 lines
3.3 KiB
Java
98 lines
3.3 KiB
Java
/**
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* Copyright (C) 2009 - 2019 <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.asm.editor;
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import org.eclipse.core.commands.AbstractHandler;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.commands.common.NotDefinedException;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.handlers.HandlerUtil;
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import com.wudsn.ide.asm.AssemblerPlugin;
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import com.wudsn.ide.asm.compiler.CompilerFiles;
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/**
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* Base class for commands which operate on the current file of an assembler
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* editor, in case the file is within the work space. The base class ensures
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* that the corresponding command is disabled, if there is no active assembler
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* editor or the editor contains a file from outside of the work space.
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*
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* @author Peter Dell
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*/
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public abstract class AssemblerEditorFilesCommandHandler extends
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AbstractHandler {
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public AssemblerEditorFilesCommandHandler() {
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super();
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}
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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IEditorPart editor;
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editor = HandlerUtil.getActiveEditorChecked(event);
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if (!(editor instanceof AssemblerEditor)) {
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return null;
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}
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AssemblerEditor assemblerEditor;
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assemblerEditor = (AssemblerEditor) editor;
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CompilerFiles files;
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files = AssemblerEditorFilesLogic.createInstance(assemblerEditor).createCompilerFiles();
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if (files != null) {
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execute(event, assemblerEditor, files);
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} else {
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try {
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AssemblerPlugin
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.getInstance()
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.showError(
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assemblerEditor.getSite().getShell(),
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"Operation '"
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+ event.getCommand().getName()
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+ "' is not possible because the file in the editor is not located in the worksapce.",
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new Exception());
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} catch (NotDefinedException ignore) {
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// Ignore
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}
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}
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return null;
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}
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/**
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* Perform the action on the current editor and file.
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*
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* @param event
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* The event, not <code>null</code>.
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* @param assemblerEditor
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* The assembler editor, not <code>null</code> and with current
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* files which are not <code>null</code>.
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* @param files
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* The current compiler files of the editor, not <code>null</code>
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* .
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* @throws ExecutionException
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* if an exception occurred during execution.
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*/
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protected abstract void execute(ExecutionEvent event,
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AssemblerEditor assemblerEditor, CompilerFiles files)
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throws ExecutionException;
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} |