com.aptana.terminal.internal.emulator.VT100TerminalControl.java Source code

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Here is the source code for com.aptana.terminal.internal.emulator.VT100TerminalControl.java

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.terminal.internal.emulator;

import java.io.UnsupportedEncodingException;
import java.util.HashSet;
import java.util.Set;

import org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener;
import org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.tm.internal.terminal.control.ITerminalListener;
import org.eclipse.tm.internal.terminal.provisional.api.ITerminalConnector;
import org.eclipse.tm.internal.terminal.textcanvas.ILinelRenderer;
import org.eclipse.tm.internal.terminal.textcanvas.ITextCanvasModel;

import com.aptana.core.util.EclipseUtil;
import com.aptana.core.util.IOUtil;
import com.aptana.terminal.internal.hyperlink.HyperlinkManager;
import com.aptana.theme.IThemeManager;
import com.aptana.theme.ThemePlugin;

public class VT100TerminalControl extends org.eclipse.tm.internal.terminal.emulator.VT100TerminalControl {

    private static final Set<Character> IGNORE_ALT_WITH_KEYS = new HashSet<Character>();

    static {
        for (char c : "@#\\|[]{}".toCharArray()) { //$NON-NLS-1$
            IGNORE_ALT_WITH_KEYS.add(c);
        }
    }

    private IPreferenceChangeListener preferenceChangeListener;
    private IPropertyChangeListener propertyChangeListener;
    private HyperlinkManager hyperlinkManager;

    public VT100TerminalControl(ITerminalListener target, Composite wndParent, ITerminalConnector[] connectors) {
        super(target, wndParent, connectors);
        getRootControl().setBackground(ThemedTextLineRenderer.getStyleMap().getBackgroundColor());
        preferenceChangeListener = new IPreferenceChangeListener() {
            public void preferenceChange(PreferenceChangeEvent event) {
                if (IThemeManager.THEME_CHANGED.equals(event.getKey())) {
                    Control control = getRootControl();
                    if (!control.isDisposed()) {
                        control.setBackground(ThemedTextLineRenderer.getStyleMap().getBackgroundColor());
                        getCtlText().redraw();
                    }
                }
            }
        };
        EclipseUtil.instanceScope().getNode(ThemePlugin.PLUGIN_ID)
                .addPreferenceChangeListener(preferenceChangeListener);
        propertyChangeListener = new IPropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent event) {
                if (JFaceResources.TEXT_FONT.equals(event.getProperty())) {
                    setFont(JFaceResources.getTextFont());
                }
            }
        };
        JFaceResources.getFontRegistry().addListener(propertyChangeListener);
        getCtlText().addMouseListener(new MouseAdapter() {
            public void mouseDown(MouseEvent e) {
                if (e.button == 2) { // paste clipboard selection
                    String text = (String) getClipboard().getContents(TextTransfer.getInstance(),
                            DND.SELECTION_CLIPBOARD);
                    if (text != null && text.length() > 0) {
                        pasteString(text);
                    }
                }
            }
        });
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.tm.internal.terminal.emulator.VT100TerminalControl#setEncoding(java.lang.String)
     */
    @Override
    public void setEncoding(String encoding) throws UnsupportedEncodingException {
        if (encoding == null) {
            encoding = IOUtil.UTF_8; // $codepro.audit.disable questionableAssignment
        }
        super.setEncoding(encoding);
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.tm.internal.terminal.emulator.VT100TerminalControl#sendChar(char, boolean)
     */
    @Override
    protected void sendChar(char chKey, boolean altKeyPressed) {
        if (altKeyPressed && IGNORE_ALT_WITH_KEYS.contains(chKey)) {
            altKeyPressed = false; // $codepro.audit.disable questionableAssignment
        }
        super.sendChar(chKey, altKeyPressed);
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.tm.internal.terminal.emulator.VT100TerminalControl#disposeTerminal()
     */
    @Override
    public void disposeTerminal() {
        JFaceResources.getFontRegistry().removeListener(propertyChangeListener);
        EclipseUtil.instanceScope().getNode(ThemePlugin.PLUGIN_ID)
                .removePreferenceChangeListener(preferenceChangeListener);
        super.disposeTerminal();
    }

    /*
     * (non-Javadoc)
     * @see
     * org.eclipse.tm.internal.terminal.emulator.VT100TerminalControl#createTextCanvas(org.eclipse.swt.widgets.Composite
     * , org.eclipse.tm.internal.terminal.textcanvas.ITextCanvasModel,
     * org.eclipse.tm.internal.terminal.textcanvas.ILinelRenderer)
     */
    @Override
    protected org.eclipse.tm.internal.terminal.textcanvas.TextCanvas createTextCanvas(Composite parent,
            ITextCanvasModel canvasModel, ILinelRenderer linelRenderer) {
        return new TextCanvas(parent, canvasModel, SWT.NONE, linelRenderer, hyperlinkManager);
    }

    /*
     * (non-Javadoc)
     * @see
     * org.eclipse.tm.internal.terminal.emulator.VT100TerminalControl#createLineRenderer(org.eclipse.tm.internal.terminal
     * .textcanvas.ITextCanvasModel)
     */
    @Override
    protected ILinelRenderer createLineRenderer(ITextCanvasModel model) {
        return new ThemedTextLineRenderer(model, hyperlinkManager = new HyperlinkManager(model.getTerminalText()));
    }

}