/*******************************************************************************
* Copyright (c) 2009 Vlad Dumitrescu 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:
* Vlad Dumitrescu
*******************************************************************************/
package org.erlide.ui.console;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.nullValue;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocumentPartitioner;
import org.eclipse.jface.text.rules.FastPartitioner;
import org.eclipse.jface.text.rules.IPartitionTokenScanner;
import org.erlide.runtime.shell.BackendShellEvent;
import org.erlide.runtime.shell.BackendShellListener;
import org.erlide.runtime.shell.IBackendShell;
import org.erlide.runtime.shell.IoRequest.IoRequestKind;
import org.erlide.ui.util.DisplayUtils;
import org.erlide.util.ErlLogger;
public final class ErlConsoleDocument extends Document implements BackendShellListener {
private static String[] LEGAL_CONTENT_TYPES = null;
private final IBackendShell shell;
public ErlConsoleDocument(final IBackendShell shell) {
super();
if (LEGAL_CONTENT_TYPES == null) {
final IoRequestKind[] values = IoRequestKind.values();
final String[] ss = new String[values.length];
for (int i = 0; i < values.length; i++) {
ss[i] = values[i].name();
}
LEGAL_CONTENT_TYPES = ss;
}
assertThat(shell, is(not(nullValue())));
this.shell = shell;
shell.addListener(this);
changed(new BackendShellEvent(0, 0, get()));
final IDocumentPartitioner partitioner = new FastPartitioner(createScanner(),
LEGAL_CONTENT_TYPES);
partitioner.connect(this);
setDocumentPartitioner(partitioner);
}
private IPartitionTokenScanner createScanner() {
return new IoRequestScanner(shell);
}
@Override
public void changed(final BackendShellEvent event) {
DisplayUtils.asyncExec(new Runnable() {
@Override
public void run() {
try {
replace(event.getOffset(), event.getRemovedLength(), event.getText());
} catch (final BadLocationException e) {
ErlLogger.error(e);
}
}
});
}
public IBackendShell getShell() {
return shell;
}
}