package org.exoplatform.wiki.rendering.macro.textcolor;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.xwiki.component.annotation.Component;
import org.xwiki.component.annotation.Requirement;
import org.xwiki.component.manager.ComponentLookupException;
import org.xwiki.component.manager.ComponentManager;
import org.xwiki.rendering.block.Block;
import org.xwiki.rendering.block.FormatBlock;
import org.xwiki.rendering.block.XDOM;
import org.xwiki.rendering.listener.Format;
import org.xwiki.rendering.macro.AbstractMacro;
import org.xwiki.rendering.macro.MacroExecutionException;
import org.xwiki.rendering.macro.descriptor.DefaultContentDescriptor;
import org.xwiki.rendering.parser.ParseException;
import org.xwiki.rendering.parser.Parser;
import org.xwiki.rendering.transformation.MacroTransformationContext;
import org.xwiki.rendering.util.ParserUtils;
@Component("color")
public class ColorMacro extends AbstractMacro<ColorMacroParameters> {
/**
* Used to get the current syntax parser.
*/
@Requirement
private ComponentManager componentManager;
/**
* The description of the macro.
*/
private static final String DESCRIPTION = "Decorate text with color";
public ColorMacro() {
super("Color", DESCRIPTION, new DefaultContentDescriptor(), ColorMacroParameters.class);
setDefaultCategory(DEFAULT_CATEGORY_FORMATTING);
}
@Override
public List<Block> execute(ColorMacroParameters parameters,
String content,
MacroTransformationContext context) throws MacroExecutionException {
XDOM parsedDom;
String color = parameters.getName();
Parser parser = getSyntaxParser(context.getSyntax().toIdString());
try {
// parse the content of the wiki macro that has been injected by the component manager the content of the macro call itself is ignored.
parsedDom = parser.parse(new StringReader(content));
} catch (ParseException e) {
throw new MacroExecutionException("Failed to parse content [" + content + "] with Syntax parser [" + parser.getSyntax() + "]", e);
}
Map<String, String> params = new HashMap<String, String>();
params.put("style", "color:" + color + ";");
List<Block> children = new ArrayList<Block>();
children.addAll(parsedDom.getChildren());
(new ParserUtils()).removeTopLevelParagraph(children);
Block spanBlock = new FormatBlock(children, Format.NONE, params);
return Collections.singletonList(spanBlock);
}
@Override
public boolean supportsInlineMode() {
return true;
}
protected Parser getSyntaxParser(String syntaxId) throws MacroExecutionException {
try {
return (Parser) componentManager.lookup(Parser.class, syntaxId);
} catch (ComponentLookupException e) {
throw new MacroExecutionException("Failed to find source parser", e);
}
}
}