org.springframework.ide.eclipse.boot.dash.views.BootDashCellLabelProvider.java Source code

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Here is the source code for org.springframework.ide.eclipse.boot.dash.views.BootDashCellLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2015 Pivotal, 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, Inc. - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.eclipse.boot.dash.views;

import org.eclipse.jface.viewers.ColumnViewer;
import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.graphics.Image;
import org.springframework.ide.eclipse.boot.dash.model.BootDashModel;
import org.springframework.ide.eclipse.boot.dash.model.RefreshState;
import org.springframework.ide.eclipse.boot.dash.util.ColumnViewerAnimator;
import org.springframework.ide.eclipse.boot.dash.util.Stylers;
import org.springframework.ide.eclipse.boot.dash.views.sections.BootDashColumn;

/**
 * @author Kris De Volder
 */
public class BootDashCellLabelProvider extends StyledCellLabelProvider {

    protected final BootDashColumn forColum;
    private ColumnViewerAnimator animator;
    private BootDashLabels bdeLabels;

    private ColumnViewer tv;

    public BootDashCellLabelProvider(ColumnViewer tv, BootDashColumn target, Stylers stylers) {
        this.tv = tv;
        this.forColum = target;
        this.bdeLabels = new BootDashLabels(stylers);
    }

    @Override
    public void update(ViewerCell cell) {
        Object e = cell.getElement();
        Image[] imgs = bdeLabels.getImageAnimation(e, forColum);
        StyledString label = bdeLabels.getStyledText(e, forColum);
        cell.setText(label.getString());
        cell.setStyleRanges(label.getStyleRanges());
        animate(cell, imgs);
    }

    private void animate(ViewerCell cell, Image[] images) {
        if (animator == null) {
            animator = new ColumnViewerAnimator(tv);
        }
        animator.setAnimation(cell, images);
    }

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

    @Override
    public String getToolTipText(Object element) {
        if (element instanceof BootDashModel) {
            RefreshState state = ((BootDashModel) element).getRefreshState();
            if (state != null) {
                return state.getMessage();
            }
        }
        return null;
    }
}