ar.com.tadp.xml.rinzo.core.outline.XMLOutlineLabelProvider.java Source code

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Here is the source code for ar.com.tadp.xml.rinzo.core.outline.XMLOutlineLabelProvider.java

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/*****************************************************************************
 * This file is part of Rinzo
 *
 * Author: Claudio Cancinos
 * WWW: https://sourceforge.net/projects/editorxml
 * Copyright (C): 2008, Claudio Cancinos
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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 Lesser General Public
 * License along with this program; If not, see <http://www.gnu.org/licenses/>
 ****************************************************************************/
package ar.com.tadp.xml.rinzo.core.outline;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;

import ar.com.tadp.xml.rinzo.XMLEditorPlugin;
import ar.com.tadp.xml.rinzo.core.PluginImages;
import ar.com.tadp.xml.rinzo.core.model.XMLAttribute;
import ar.com.tadp.xml.rinzo.core.model.XMLNode;
import ar.com.tadp.xml.rinzo.core.partitioner.IXMLPartitions;
import ar.com.tadp.xml.rinzo.core.utils.FileUtils;

/**
 * In charge of retrieving the labels to be displayed on each element of the
 * outline tree.
 * 
 * @author ccancinos
 */
public class XMLOutlineLabelProvider extends LabelProvider {
    private static final String OUTLINE_LABEL_SHOW_FULL_NAME = "Outline.Label.showFullName";
    private static final int TEXT_SIZE = 40;
    private Map<String, Image> images = new HashMap<String, Image>();
    private boolean showFullName = false;
    private String lineSeparator;

    public XMLOutlineLabelProvider(String lineSeparator) {
        this.lineSeparator = lineSeparator;
        this.showFullName = XMLEditorPlugin.getDefault().getPreferenceStore()
                .getBoolean(OUTLINE_LABEL_SHOW_FULL_NAME);

        this.images.put(IXMLPartitions.XML_TAG, PluginImages.get(PluginImages.IMG_XML_TAGDEF));
        this.images.put(IXMLPartitions.XML_EMPTYTAG, PluginImages.get(PluginImages.IMG_XML_EMPTYTAGDEF));
        this.images.put(IXMLPartitions.XML_TEXT, PluginImages.get(PluginImages.IMG_XML_TXT));
        this.images.put(IXMLPartitions.XML_PI, PluginImages.get(PluginImages.IMG_XML_PI));
        this.images.put(IXMLPartitions.XML_DECLARATION, PluginImages.get(PluginImages.IMG_XML_PI));
        this.images.put(IXMLPartitions.XML_COMMENT, PluginImages.get(PluginImages.IMG_XML_COMMENT));
    }

    public String getText(Object element) {
        XMLNode node = (XMLNode) element;
        if (element instanceof XMLNode) {
            if (this.isShowFullName() && !node.isCommentTag()) {
                String text = node.getTagName() + " (";
                for (Iterator<XMLAttribute> iterator = node.getAttributes().values().iterator(); iterator
                        .hasNext();) {
                    XMLAttribute attribute = iterator.next();
                    text += iterator.hasNext() ? attribute + ", " : attribute.toString();
                }
                text += ")";
                return text.replaceAll(this.lineSeparator, " ").replaceAll(FileUtils.TAB, "");
            }
            if (node.isPiTag()) {
                String comment = node.getContent();
                return comment.substring(0, Math.min(TEXT_SIZE, comment.length())) + "...";
            }
            if (node.isCommentTag()) {
                String content = node.getContent();
                String comment = content.substring(content.indexOf("<!--") + 4, content.indexOf("-->")).trim();
                return (comment.length() <= TEXT_SIZE) ? comment : comment.substring(0, TEXT_SIZE) + "...";
            }
            return node.getTagName().replaceAll(this.lineSeparator, " ").replaceAll(FileUtils.TAB, "");
        }

        return super.getText(element);
    }

    public Image getImage(Object element) {
        if (element instanceof XMLNode) {
            XMLNode node = (XMLNode) element;
            Image image = this.images.get(node.getType());
            if (image != null) {
                return image;
            }
        }

        return super.getImage(element);
    }

    public boolean isShowFullName() {
        return this.showFullName;
    }

    public void setShowFullName(boolean showFullName) {
        XMLEditorPlugin.getDefault().getPreferenceStore().setValue(OUTLINE_LABEL_SHOW_FULL_NAME, showFullName);
        this.showFullName = showFullName;
    }

}