es.sidelab.pascaline.debug.ui.views.variables.PascalVariablesLabelProvider.java Source code

Introduction

Here is the source code for es.sidelab.pascaline.debug.ui.views.variables.PascalVariablesLabelProvider.java

Source

/*******************************************************************************
 * This file is part of Pascaline.
 * 
 * Copyright (c) Pascaline Team.
 * http://pascaline.sourceforge.net/
 * 
 * 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
 *******************************************************************************/
package es.sidelab.pascaline.debug.ui.views.variables;

import org.eclipse.cdt.debug.core.model.ICGlobalVariable;
import org.eclipse.cdt.debug.core.model.ICVariable;
import org.eclipse.debug.core.DebugException;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.swt.graphics.Image;

import es.sidelab.pascaline.debug.internal.ui.PVariable;
import es.sidelab.pascaline.debug.ui.PascalDebugUI;

/**
 * @author patxi
 *
 */
public class PascalVariablesLabelProvider implements ITableLabelProvider {

    // @Override
    // public Image getImage(Object element) {
    // return null;
    // }
    //
    // @Override
    // public String getText(Object element) {
    // if (element instanceof IVariable) {
    // IVariable variable = (IVariable) element;
    // try {
    // String name = variable.getName();
    // name += ":" + variable.getReferenceTypeName();
    // name += "=" + variable.getValue().getValueString();
    // return name;
    // } catch (DebugException e) {
    // e.printStackTrace();
    // }
    // }
    //
    // return "Unknown";
    // }

    /**
     * 
     */
    private static final String DUMMY_VALUE_LABEL = "{...}";

    @Override
    public void addListener(ILabelProviderListener listener) {
        // TODO Auto-generated method stub

    }

    @Override
    public void dispose() {
        // TODO Auto-generated method stub

    }

    @Override
    public boolean isLabelProperty(Object element, String property) {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public void removeListener(ILabelProviderListener listener) {
        // TODO Auto-generated method stub

    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
     */
    @Override
    public Image getColumnImage(Object element, int columnIndex) {
        if (element instanceof ICGlobalVariable) {
            return PascalDebugUI.imageDescriptorFromPlugin(PascalDebugUI.PLUGIN_ID, PascalDebugUI.GLOBAL_ICON_PATH)
                    .createImage();
        } else if (element instanceof ICVariable) {
            return PascalDebugUI.imageDescriptorFromPlugin(PascalDebugUI.PLUGIN_ID, PascalDebugUI.LOCAL_ICON_PATH)
                    .createImage();
        }

        return null;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
     */
    @Override
    public String getColumnText(Object element, int columnIndex) {
        if (element instanceof PVariable) {
            PVariable var = (PVariable) element;
            if (columnIndex == 0) {
                try {
                    String name = var.getName();
                    String typeName = var.getReferenceTypeName();
                    return name + " : " + typeName;
                } catch (DebugException e) {
                    PascalDebugUI.log("Debug exception thrown when retrieving data from a variable", e);
                }
            }

            if (columnIndex == 1) {
                try {
                    if (var.isString()) {
                        StringBuilder sb = new StringBuilder();
                        sb.append(var.getName());
                        PVariable parent = (PVariable) var.getParent();
                        while (parent != null) {
                            sb.insert(0, ".");
                            sb.insert(0, parent.getName());
                            parent = (PVariable) parent.getParent();
                        }
                        String stringValue = var.getFrame().getFrame().evaluateExpressionToString(sb.toString());
                        return stringValue;
                    }

                    if (var.isObject()) {
                        return DUMMY_VALUE_LABEL;
                    }

                    return var.getValue().getValueString();
                } catch (DebugException e) {
                    e.printStackTrace();
                }

                return DUMMY_VALUE_LABEL;
            }
        }

        return "Unknown";
    }

}