wudsn-ide/com.wudsn.ide.asm/src/com/wudsn/ide/asm/editor/AssemblerEditorCompilerHelpCommandHandler.java
2019-01-12 23:07:17 +01:00

75 lines
2.6 KiB
Java

/**
* Copyright (C) 2009 - 2019 <a href="https://www.wudsn.com" target="_top">Peter Dell</a>
*
* This file is part of WUDSN IDE.
*
* WUDSN IDE is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* WUDSN IDE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WUDSN IDE. If not, see <http://www.gnu.org/licenses/>.
*/
package com.wudsn.ide.asm.editor;
import java.io.File;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.program.Program;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.handlers.HandlerUtil;
import com.wudsn.ide.asm.AssemblerPlugin;
import com.wudsn.ide.asm.compiler.CompilerDefinition;
import com.wudsn.ide.asm.preferences.AssemblerPreferences;
/**
* Event handler for the "Compiler Help" command.
*
* @author Peter Dell
*/
public final class AssemblerEditorCompilerHelpCommandHandler extends AbstractHandler {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
Shell shell;
shell = HandlerUtil.getActiveShell(event);
IEditorPart editor;
editor = HandlerUtil.getActiveEditorChecked(event);
if (!(editor instanceof AssemblerEditor)) {
return null;
}
AssemblerEditor assemblerEditor;
assemblerEditor = (AssemblerEditor) editor;
CompilerDefinition compilerDefinition = assemblerEditor.getCompilerDefinition();
AssemblerPreferences assemblerPreferences = AssemblerPlugin.getInstance().getPreferences();
String compilerExecutablePath = assemblerPreferences.getCompilerExecutablePath(compilerDefinition.getId());
try {
File file = compilerDefinition.getHelpFile(compilerExecutablePath);
Program.launch(file.getPath());
} catch (CoreException ex) {
// ERROR: Display text from core exception.
MessageDialog.openInformation(shell, com.wudsn.ide.base.Texts.DIALOG_TITLE, ex.getMessage());
}
return null;
}
}