org.springsource.ide.eclipse.gradle.ui.taskview.TaskLabelProvider.java Source code

Introduction

Here is the source code for org.springsource.ide.eclipse.gradle.ui.taskview.TaskLabelProvider.java

Source

/*******************************************************************************
 * Copyright (c) 2014 Pivotal Software, Inc.
 * All rights reserved. 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
 *
 * Contributors:
 * Pivotal Software, Inc. - initial API and implementation
 *******************************************************************************/
package org.springsource.ide.eclipse.gradle.ui.taskview;

import org.eclipse.jface.resource.FontDescriptor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ITableFontProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.PlatformUI;
import org.gradle.tooling.model.Launchable;
import org.gradle.tooling.model.Task;
import org.gradle.tooling.model.TaskSelector;
import org.gradle.tooling.model.eclipse.EclipseProject;
import org.springsource.ide.eclipse.gradle.ui.GradleUI;
import org.springsource.ide.eclipse.gradle.ui.util.GradleLabelProvider;
import org.springsource.ide.eclipse.gradle.ui.wizards.GradleProjectTreeLabelProviderWithDescription;

/**
 * Label provider for Gradle Tasks
 * 
 * @author Kris De Volder
 * @author Alex Boyko
 */
public class TaskLabelProvider extends GradleLabelProvider
        implements ITableLabelProvider, ILabelProvider, ITableFontProvider {

    GradleProjectTreeLabelProviderWithDescription projectLabelProvider = new GradleProjectTreeLabelProviderWithDescription(
            false);

    private Font taskNameFont = null;

    public Image getColumnImage(Object element, int columnIndex) {
        if (columnIndex == 0) {
            if (element instanceof EclipseProject) {
                return projectLabelProvider.getColumnImage(element, columnIndex);
            } else if (element instanceof Launchable) {
                Launchable task = (Launchable) element;
                return task.isPublic() ? GradleUI.getDefault().getImageRegistry().get(GradleUI.IMAGE_PUBLIC_TASK)
                        : GradleUI.getDefault().getImageRegistry().get(GradleUI.IMAGE_INTERNAL_TASK);
            }
        }
        return null;
    }

    public String getColumnText(Object element, int columnIndex) {
        if (element instanceof EclipseProject) {
            return projectLabelProvider.getColumnText(element, columnIndex);
        } else if (element instanceof Launchable) {
            return getColumnText((Launchable) element, columnIndex);
        } else {
            return element.toString();
        }
    }

    private String getColumnText(Launchable element, int columnIndex) {
        switch (columnIndex) {
        case 0:
            if (element instanceof Task) {
                return ((Task) element).getName();
            } else if (element instanceof TaskSelector) {
                return ((TaskSelector) element).getName();
            } else {
                return element.getDisplayName();
            }
        case 1:
            return element.getDescription();
        default: //There should really only be 2 columns but ...
            return "";
        }
    }

    @Override
    public void dispose() {
        super.dispose();
        projectLabelProvider.dispose();
        if (taskNameFont != null) {
            taskNameFont.dispose();
        }
    }

    public Image getImage(Object element) {
        return getColumnImage(element, 0);
    }

    public String getText(Object element) {
        return getColumnText(element, 0);
    }

    @Override
    public Font getFont(Object element, int columnIndex) {
        if (columnIndex == 0) {
            return getTaskNameFont();
        } else {
            return JFaceResources.getDefaultFont();
        }
    }

    private Font getTaskNameFont() {
        if (taskNameFont == null) {
            FontData[] fontData = FontDescriptor.copy(JFaceResources.getDefaultFontDescriptor().getFontData());
            for (int i = 0; i < fontData.length; i++) {
                fontData[i].setStyle(fontData[i].getStyle() | SWT.BOLD);
            }
            taskNameFont = FontDescriptor.createFrom(fontData).createFont(PlatformUI.getWorkbench().getDisplay());
        }
        return taskNameFont;
    }
}