melnorme.lang.ide.ui.tools.console.ToolsConsolePage.java Source code

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Here is the source code for melnorme.lang.ide.ui.tools.console.ToolsConsolePage.java

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/*******************************************************************************
 * Copyright (c) 2000, 2013 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Bruno Medeiros - LangIDE adaptation.
 *******************************************************************************/
package melnorme.lang.ide.ui.tools.console;

import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.console.IConsoleConstants;
import org.eclipse.ui.console.IConsoleView;
import org.eclipse.ui.console.IOConsole;
import org.eclipse.ui.console.TextConsole;
import org.eclipse.ui.console.TextConsolePage;
import org.eclipse.ui.console.TextConsoleViewer;

/**
 * A page for an OperationsConsolePage. Originally based on {@link IOConsole}
 * Console is read only.
 */
public class ToolsConsolePage extends TextConsolePage {

    protected ScrollLockAction fScrollLockAction;

    public ToolsConsolePage(TextConsole console, IConsoleView view) {
        super(console, view);

        setReadOnly();
    }

    @Override
    public void createControl(Composite parent) {
        super.createControl(parent);
        getViewer().setReadOnly();
    }

    @Override
    protected TextConsoleViewer createViewer(Composite parent) {
        return new IOConsoleViewer(parent, (TextConsole) getConsole());
    }

    @Override
    public IOConsoleViewer getViewer() {
        return (IOConsoleViewer) super.getViewer();
    }

    public void setAutoScroll(boolean scroll) {
        IOConsoleViewer viewer = getViewer();
        if (viewer != null) {
            viewer.setAutoScroll(scroll);
            fScrollLockAction.setChecked(!scroll);
        }
    }

    /**
     * Informs the viewer that it's text widget should not be editable.
     */
    public void setReadOnly() {
        IOConsoleViewer viewer = getViewer();
        if (viewer != null) {
            viewer.setReadOnly();
        }
    }

    @Override
    protected void createActions() {
        super.createActions();
        fScrollLockAction = new ScrollLockAction(getConsoleView());
        setAutoScroll(!fScrollLockAction.isChecked());
    }

    @Override
    protected void contextMenuAboutToShow(IMenuManager menuManager) {
        super.contextMenuAboutToShow(menuManager);
        menuManager.add(fScrollLockAction);
    }

    @Override
    protected void configureToolBar(IToolBarManager mgr) {
        super.configureToolBar(mgr);
        mgr.appendToGroup(IConsoleConstants.OUTPUT_GROUP, fScrollLockAction);
    }

    @Override
    public void dispose() {
        if (fScrollLockAction != null) {
            fScrollLockAction.dispose();
            fScrollLockAction = null;
        }
        super.dispose();
    }

}