Java tutorial
/** * Copyright (c) Red Hat, Inc., contributors and others 2014. All rights reserved * * Contributors: * George Gastaldi (Red Hat, Inc.) * * Licensed under the Eclipse Public License version 1.0, available at * http://www.eclipse.org/legal/epl-v10.html */ package org.jboss.tools.forge.ui.internal.actions; import org.eclipse.jface.action.Action; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.swt.graphics.Image; import org.eclipse.ui.console.ConsolePlugin; import org.eclipse.ui.console.IConsoleConstants; import org.jboss.tools.forge.core.runtime.ForgeRuntime; import org.jboss.tools.forge.core.runtime.ForgeRuntimeState; import org.jboss.tools.forge.ui.internal.console.ForgeConsole; import org.jboss.tools.forge.ui.internal.console.ForgeConsoleManager; /** * Invoked when the Clear Console icon is pressed * * @author <a href="ggastald@redhat.com">George Gastaldi</a> */ public class ClearAction extends Action { private ForgeRuntime runtime; public ClearAction(ForgeRuntime runtime) { this.runtime = runtime; setImageDescriptor(createImageDescriptor()); setToolTipText("Clear Console"); } @Override public void run() { ForgeConsole console = ForgeConsoleManager.INSTANCE.getConsole(runtime); console.clear(); } @Override public boolean isEnabled() { return ForgeRuntimeState.RUNNING.equals(runtime.getState()); } private ImageDescriptor createImageDescriptor() { Image img = ConsolePlugin.getImage(IConsoleConstants.IMG_LCL_CLEAR); return ImageDescriptor.createFromImage(img); } }