com.aptana.editor.json.outline.JSONOutlineLabelProvider.java Source code

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Here is the source code for com.aptana.editor.json.outline.JSONOutlineLabelProvider.java

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.editor.json.outline;

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

import com.aptana.editor.common.outline.CommonOutlineItem;
import com.aptana.editor.json.JSONPlugin;
import com.aptana.editor.json.parsing.ast.JSONEntryNode;
import com.aptana.editor.json.parsing.ast.JSONNode;
import com.aptana.parsing.ast.IParseNode;

/**
 * JSONOutlineLabelProvider
 */
public class JSONOutlineLabelProvider extends LabelProvider {
    private static final Image ARRAY = JSONPlugin.getImage("icons/array-literal.png"); //$NON-NLS-1$
    private static final Image BOOLEAN = JSONPlugin.getImage("icons/boolean.png"); //$NON-NLS-1$
    private static final Image NULL = JSONPlugin.getImage("icons/null.png"); //$NON-NLS-1$
    private static final Image NUMBER = JSONPlugin.getImage("icons/number.png"); //$NON-NLS-1$
    private static final Image OBJECT = JSONPlugin.getImage("icons/object-literal.png"); //$NON-NLS-1$
    private static final Image STRING = JSONPlugin.getImage("icons/string.png"); //$NON-NLS-1$

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object)
     */
    @Override
    public Image getImage(Object element) {
        Image result = null;

        if (element instanceof JSONNode) {
            JSONNode node = (JSONNode) element;

            switch (node.getType()) {
            case ARRAY:
                result = ARRAY;
                break;

            case TRUE:
            case FALSE:
                result = BOOLEAN;
                break;

            case NULL:
                result = NULL;
                break;

            case NUMBER:
                result = NUMBER;
                break;

            case OBJECT:
                result = OBJECT;
                break;

            case STRING:
                result = STRING;
                break;
            }
        } else if (element instanceof CommonOutlineItem) {
            CommonOutlineItem item = (CommonOutlineItem) element;

            result = this.getImage(item.getReferenceNode());
        }

        return (result == null) ? super.getImage(element) : result;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
     */
    @Override
    public String getText(Object element) {
        String result = null;

        if (element instanceof JSONNode) {
            JSONNode node = (JSONNode) element;
            IParseNode parent = node.getParent();

            if (parent instanceof JSONEntryNode) {
                result = parent.getFirstChild().getText();
            } else {
                result = node.getText();
            }
        } else if (element instanceof CommonOutlineItem) {
            CommonOutlineItem item = (CommonOutlineItem) element;

            result = this.getText(item.getReferenceNode());
        }

        return (result == null) ? super.getText(element) : result;
    }

}