com.jaspersoft.studio.property.itemproperty.ItemPropertyLabelProvider.java Source code

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Here is the source code for com.jaspersoft.studio.property.itemproperty.ItemPropertyLabelProvider.java

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/*******************************************************************************
 * Copyright (C) 2005 - 2014 TIBCO Software Inc. All rights reserved. http://www.jaspersoft.com.
 * 
 * Unless you have purchased a commercial license agreement from Jaspersoft, the following license terms apply:
 * 
 * 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 com.jaspersoft.studio.property.itemproperty;

import net.sf.jasperreports.components.map.ItemProperty;

import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;

import com.jaspersoft.studio.JaspersoftStudioPlugin;
import com.jaspersoft.studio.property.itemproperty.desc.ADescriptor;
import com.jaspersoft.studio.property.itemproperty.desc.ItemPropertyDescription;
import com.jaspersoft.studio.utils.Misc;

/*
 * @author Chicu Veaceslav
 */
public class ItemPropertyLabelProvider extends ColumnLabelProvider implements ITableLabelProvider {
    private ADescriptor descriptor;

    public ItemPropertyLabelProvider(ADescriptor descriptor) {
        super();
        this.descriptor = descriptor;
    }

    @Override
    public String getText(Object element) {
        return getTextLabel(element);
    }

    private String getTextLabel(Object element) {
        if (element != null && element instanceof ItemProperty) {
            ItemProperty ip = (ItemProperty) element;
            if (ip.getValueExpression() != null)
                return Misc.nvl(ip.getValueExpression().getText());
            if (descriptor != null) {
                ItemPropertyDescription<?> ipDesc = descriptor.getDescription(ip.getName());
                if (ipDesc != null)
                    return ipDesc.toSimpleString(Misc.nvl(ip.getValue()));
            }
            return Misc.nvl(ip.getValue());
        }
        return ""; //$NON-NLS-1$
    }

    @Override
    public Image getImage(Object element) {
        return null;
    }

    @Override
    public Image getColumnImage(Object element, int columnIndex) {
        if (element instanceof ItemProperty && columnIndex == 1)
            return getImageIcon(element);
        return null;
    }

    private Image getImageIcon(Object element) {
        if (element != null && element instanceof ItemProperty) {
            ItemProperty ip = (ItemProperty) element;
            if (ip.getValueExpression() != null)
                return JaspersoftStudioPlugin.getInstance().getImage("icons/functions_icon.png");
        }
        return null;
    }

    @Override
    public String getColumnText(Object element, int columnIndex) {
        if (element instanceof ItemProperty)
            switch (columnIndex) {
            case 0:
                return ((ItemProperty) element).getName();
            case 1:
                return getTextLabel(element);
            }
        return null;
    }

    @Override
    public void update(ViewerCell cell) {
        super.update(cell);
    }

    @Override
    public String getToolTipText(Object element) {
        return getText(element);
    }

    @Override
    public Point getToolTipShift(Object object) {
        return new Point(5, 5);
    }

    @Override
    public int getToolTipDisplayDelayTime(Object object) {
        return 100; // msec
    }

    @Override
    public int getToolTipTimeDisplayed(Object object) {
        return 5000; // msec
    }
}