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/*******************************************************************************
* Copyright (c) 2007, 2011 David Green 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:
* David Green - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.wikitext.ui.editor.syntax;
import org.eclipse.mylyn.wikitext.parser.Attributes;
import org.eclipse.mylyn.wikitext.parser.DocumentBuilder.BlockType;
/**
* @author David Green
*/
public class Block extends Segment<Segment<?>> {
private final BlockType type;
private final int headingLevel;
private boolean spansComputed = false;
public Block(BlockType type, int offset, int length) {
super(offset, length);
this.type = type;
headingLevel = 0;
}
public Block(int headingLevel, int offset, int length) {
super(offset, length);
if (headingLevel <= 0) {
throw new IllegalArgumentException();
}
this.headingLevel = headingLevel;
type = null;
}
public Block(BlockType type, Attributes attributes, int offset, int length) {
super(attributes, offset, length);
this.type = type;
headingLevel = 0;
}
public Block(int headingLevel, Attributes attributes, int offset, int length) {
super(attributes, offset, length);
this.headingLevel = headingLevel;
type = null;
}
@Override
public Block getParent() {
return (Block) super.getParent();
}
/**
* the type of block
*
* @return the block type, or null if this block is a heading
*/
public BlockType getType() {
return type;
}
/**
* the heading level, or 0 if this is not a heading.
*/
public int getHeadingLevel() {
return headingLevel;
}
public boolean isSpansComputed() {
return spansComputed;
}
public void setSpansComputed(boolean spansComputed) {
this.spansComputed = spansComputed;
}
@Override
public String toString() {
StringBuilder buf = new StringBuilder();
buf.append("<"); //$NON-NLS-1$
String elementName;
if (type != null) {
elementName = type.name();
} else {
elementName = "h" + headingLevel; //$NON-NLS-1$
}
buf.append(elementName);
buf.append(" offset=\""); //$NON-NLS-1$
buf.append(getOffset());
buf.append("\" length=\""); //$NON-NLS-1$
buf.append(getLength());
buf.append('"');
if (getChildren() == null || getChildren().isEmpty()) {
buf.append("/>\n"); //$NON-NLS-1$
} else {
buf.append(">\n"); //$NON-NLS-1$
StringBuilder buf2 = new StringBuilder();
buf2.append("\t"); //$NON-NLS-1$
for (Segment<?> child : getChildren().asList()) {
buf2.append(child);
}
String children = buf2.toString();
children = children.replace("\n", "\n\t"); //$NON-NLS-1$ //$NON-NLS-2$
if (children.endsWith("\t")) { //$NON-NLS-1$
children = children.substring(0, children.length() - 1);
} else {
children = children + "\n"; //$NON-NLS-1$
}
buf.append(children);
buf.append("</"); //$NON-NLS-1$
buf.append(elementName);
buf.append(">\n"); //$NON-NLS-1$
}
return buf.toString();
}
}
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