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/*******************************************************************************
* Copyright (c) 2012, 2014 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.compare.provider.utils;
import static com.google.common.collect.Lists.newArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.emf.compare.provider.utils.IStyledString.IComposedStyledString;
import org.eclipse.emf.compare.provider.utils.IStyledString.Style;
/**
* Composed styled string implementation backed by an {@link java.util.ArrayList}.
*
* @author <a href="mailto:mikael.barbero@obeo.fr">Mikael Barbero</a>
*/
public class ComposedStyledString implements IComposedStyledString {
/** the backing list. */
private final List<IStyledString> content;
/** Creates a new empty instance. */
public ComposedStyledString() {
content = newArrayList();
}
/**
* Creates a new instance with the given text without style.
*
* @param text
* the text.
*/
public ComposedStyledString(String text) {
this(text, Style.NO_STYLE);
}
/**
* Creates a new instance with the given text and the given style.
*
* @param text
* the text.
* @param style
* the style of the text.
*/
public ComposedStyledString(String text, Style style) {
this();
append(text, style);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.provider.utils.IStyledString.IComposedStyledString#getString()
*/
public String getString() {
StringBuilder sb = new StringBuilder();
for (IStyledString styledString : this) {
sb.append(styledString.getString());
}
return sb.toString();
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.ide.ui.internal.util.IComposedStyledString#append(java.lang.String)
*/
public IComposedStyledString append(String str) {
content.add(new StyledString(str, IStyledString.Style.NO_STYLE));
return this;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.ide.ui.internal.util.IComposedStyledString#append(java.lang.String,
* org.eclipse.emf.compare.ide.ui.internal.util.IComposedStyledString.Style)
*/
public IComposedStyledString append(String str, Style style) {
content.add(new StyledString(str, style));
return this;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.provider.utils.IStyledString.IComposedStyledString#append(org.eclipse.emf.compare.provider.utils.IStyledString.IComposedStyledString)
* @since 4.0
*/
public IComposedStyledString append(IComposedStyledString composedStyledString) {
for (IStyledString styledString : composedStyledString) {
content.add(styledString);
}
return this;
}
/**
* {@inheritDoc}
*
* @see java.lang.Iterable#iterator()
*/
public Iterator<IStyledString> iterator() {
return content.iterator();
}
/**
* Private implementation of {@link IStyledString} backed by the tuple String and Style.
*
* @author <a href="mailto:mikael.barbero@obeo.fr">Mikael Barbero</a>
*/
private static final class StyledString implements IStyledString {
/** The string. */
private final String str;
/** The style. */
private final Style style;
/**
* Creates a new styled string.
*
* @param str
* the text value
* @param style
* the style.
*/
StyledString(String str, Style style) {
this.str = str;
this.style = style;
}
/**
* Returns the string value.
*
* @return the string value.
*/
public String getString() {
return str;
}
/**
* Returns the style.
*
* @return the style.
*/
public Style getStyle() {
return style;
}
}
}
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