WidgetUtil.java

/**
 *  OpenKM, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2011  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.openkm.frontend.client.widget;

import java.util.Collection;
import java.util.Iterator;

import com.google.gwt.dom.client.Style;
import com.google.gwt.user.client.ui.HTML;
import com.openkm.frontend.client.Main;
import com.openkm.frontend.client.widget.dashboard.keymap.TagCloud;

/**
 * WidgetUtil
 * 
 * @author jllort
 *
 */
public class WidgetUtil {
	
	/**
	 * Draws a tag cloud
	 */
	public static void drawTagCloud(final TagCloud keywordsCloud, Collection<String> keywords) {
		// Deletes all tag clouds keys
		keywordsCloud.clear();
		keywordsCloud.setMinFrequency(Main.get().mainPanel.dashboard.keyMapDashboard.getTotalMinFrequency());
		keywordsCloud.setMaxFrequency(Main.get().mainPanel.dashboard.keyMapDashboard.getTotalMaxFrequency());
		
		for (Iterator<String> it = keywords.iterator(); it.hasNext();) {
			String keyword = it.next();
			HTML tagKey = new HTML(keyword);
			tagKey.setStyleName("okm-cloudTags");
			Style linkStyle = tagKey.getElement().getStyle();
			int fontSize = keywordsCloud.getLabelSize(Main.get().mainPanel.dashboard.keyMapDashboard.getKeywordRate(keyword));
			linkStyle.setProperty("fontSize", fontSize+"pt");
			linkStyle.setProperty("color", keywordsCloud.getColor(fontSize));
			if (fontSize>0) {
				linkStyle.setProperty("top", (keywordsCloud.getMaxFontSize()-fontSize)/2+"px" );
			} 
			keywordsCloud.add(tagKey);
		}
	}
}