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/*******************************************************************************
* Copyright (c) 2017 Red Hat Inc. 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:
* Sopot Cela (Red Hat Inc.)
*******************************************************************************/
package org.eclipse.team.internal.genericeditor.diff.extension.presentation;
import org.eclipse.jface.text.TextAttribute;
import org.eclipse.jface.text.presentation.PresentationReconciler;
import org.eclipse.jface.text.rules.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.team.internal.genericeditor.diff.extension.partitioner.IDiffPartitioning;
import org.eclipse.team.internal.genericeditor.diff.extension.rules.StartOfLineRule;
/**
* Presentation reconciler collecting different rules for syntax coloring.
*/
public class DiffPresentationReconciler extends PresentationReconciler {
private final TextAttribute bodyAttributeMinus = new TextAttribute(
Display.getCurrent().getSystemColor(SWT.COLOR_RED));
private final TextAttribute bodyAttributePlus = new TextAttribute(
Display.getCurrent().getSystemColor(SWT.COLOR_DARK_GREEN));
private final TextAttribute hunkAttribute = new TextAttribute(
Display.getCurrent().getSystemColor(SWT.COLOR_DARK_BLUE));
private final TextAttribute headerAttribute = new TextAttribute(
Display.getCurrent().getSystemColor(SWT.COLOR_DARK_MAGENTA));
private final TextAttribute indexDiffAttribute = new TextAttribute(
Display.getCurrent().getSystemColor(SWT.COLOR_DARK_CYAN));
public DiffPresentationReconciler() {
RuleBasedScanner hscanner = new RuleBasedScanner();
IRule[] headerRules=new IRule[3];
headerRules[0]=new StartOfLineRule("commit", null, new Token(headerAttribute));//$NON-NLS-1$
headerRules[1]=new StartOfLineRule("Author:", null, new Token(headerAttribute));//$NON-NLS-1$
headerRules[2]=new StartOfLineRule("Date:", null, new Token(headerAttribute));//$NON-NLS-1$
hscanner.setRules(headerRules);
DefaultDamagerRepairer hdr = new DefaultDamagerRepairer(hscanner);
this.setDamager(hdr, IDiffPartitioning.PARTITION_HEADER);
this.setRepairer(hdr, IDiffPartitioning.PARTITION_HEADER);
IRule[] bodyRules=new IRule[7];
bodyRules[0] = new StartOfLineRule("+", null, new Token(bodyAttributePlus));//$NON-NLS-1$
bodyRules[1] = new StartOfLineRule("-", null, new Token(bodyAttributeMinus));//$NON-NLS-1$
bodyRules[2] = new StartOfLineRule("@@", null, new Token(hunkAttribute));//$NON-NLS-1$
bodyRules[3]=new StartOfLineRule("diff --git", null, new Token(indexDiffAttribute));//$NON-NLS-1$
bodyRules[4]=new StartOfLineRule("index", null, new Token(indexDiffAttribute));//$NON-NLS-1$
bodyRules[5]=new StartOfLineRule("---", null, new Token(bodyAttributeMinus));//$NON-NLS-1$
bodyRules[6]=new StartOfLineRule("+++", null, new Token(bodyAttributePlus));//$NON-NLS-1$
RuleBasedScanner scanner = new RuleBasedScanner();
scanner.setRules(bodyRules);
DefaultDamagerRepairer dr = new DefaultDamagerRepairer(scanner);
this.setDamager(dr, IDiffPartitioning.PARTITION_BODY);
this.setRepairer(dr, IDiffPartitioning.PARTITION_BODY);
}
}
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