Example usage for org.eclipse.jface.viewers IViewerLabelProvider updateLabel

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IViewerLabelProvider updateLabel.

Prototype

public void updateLabel(ViewerLabel label, Object element);

Source Link

Document

Updates the label for the given element.

Usage

From source file:org.eclipse.cdt.internal.ui.util.ResourceToItemsMapper.java

License:Open Source License

private void updateItem(Item item) {
    if (!item.isDisposed()) { // defensive code
        ILabelProvider lprovider = (ILabelProvider) fContentViewer.getLabelProvider();

        Object data = item.getData();

        // If it is an IItemLabelProvider than short circuit: patch Tod (bug 55012)
        if (data != null && lprovider instanceof IViewerLabelProvider) {
            IViewerLabelProvider provider = (IViewerLabelProvider) lprovider;

            ViewerLabel updateLabel = new ViewerLabel(item.getText(), item.getImage());
            provider.updateLabel(updateLabel, data);

            if (updateLabel.hasNewImage()) {
                item.setImage(updateLabel.getImage());
            }/*from   ww w  . ja  va2  s .  co  m*/
            if (updateLabel.hasNewText()) {
                item.setText(updateLabel.getText());
            }
        } else {
            Image oldImage = item.getImage();
            Image image = lprovider.getImage(data);
            if (image != null && !image.equals(oldImage)) {
                item.setImage(image);
            }
            String oldText = item.getText();
            String text = lprovider.getText(data);
            if (text != null && !text.equals(oldText)) {
                item.setText(text);
            }
        }
    }
}

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From source file:org.eclipse.rap.rms.ui.internal.chart.GanttViewer.java

License:Open Source License

private void updateLabel(final GanttItem item, final Object element) {
    IBaseLabelProvider baseLabelProvider = getLabelProvider();
    if (baseLabelProvider instanceof IViewerLabelProvider) {
        IViewerLabelProvider viewerLabelProvider = (IViewerLabelProvider) baseLabelProvider;
        ViewerLabel viewerLabel = new ViewerLabel(item.getText(), null);
        viewerLabelProvider.updateLabel(viewerLabel, element);
        item.setBackground(viewerLabel.getBackground());
        item.setForeground(viewerLabel.getForeground());
        item.setText(viewerLabel.getText());
        item.setToolTipText(viewerLabel.getTooltipText());
    } else {// w  ww  .ja v a 2  s .  co  m
        if (baseLabelProvider instanceof IColorProvider) {
            IColorProvider colorProvider = (IColorProvider) baseLabelProvider;
            Color background = colorProvider.getBackground(element);
            Color foreground = colorProvider.getForeground(element);
            item.setBackground(background);
            item.setForeground(foreground);
        }
        if (baseLabelProvider instanceof ILabelProvider) {
            ILabelProvider labelProvider = (ILabelProvider) baseLabelProvider;
            String text = labelProvider.getText(element);
            item.setText(text);
        }
    }
    if (baseLabelProvider instanceof IGanttItemLabelProvider) {
        IGanttItemLabelProvider itemLabelProvider = (IGanttItemLabelProvider) baseLabelProvider;
        int start = itemLabelProvider.getStart(element);
        int length = itemLabelProvider.getLength(element);
        item.setStart(start);
        item.setLength(length);
    }
}

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From source file:org.neuro4j.studio.debug.ui.views.StructuredViewer.java

License:Apache License

/**
 * Build a label up for the element using the supplied label provider.
 * /*from w  ww  . j a v a  2  s  .c o  m*/
 * @param updateLabel
 *        The ViewerLabel to collect the result in
 * @param element
 *        The element being decorated.
 */
protected void buildLabel(ViewerLabel updateLabel, Object element) {

    if (getLabelProvider() instanceof IViewerLabelProvider) {
        IViewerLabelProvider itemProvider = (IViewerLabelProvider) getLabelProvider();
        itemProvider.updateLabel(updateLabel, element);

        colorAndFontCollector.setUsedDecorators();

        if (updateLabel.hasNewBackground()) {
            colorAndFontCollector.setBackground(updateLabel.getBackground());
        }

        if (updateLabel.hasNewForeground()) {
            colorAndFontCollector.setForeground(updateLabel.getForeground());
        }

        if (updateLabel.hasNewFont()) {
            colorAndFontCollector.setFont(updateLabel.getFont());
        }
        return;

    }

    if (getLabelProvider() instanceof ILabelProvider) {
        ILabelProvider labelProvider = (ILabelProvider) getLabelProvider();
        updateLabel.setText(labelProvider.getText(element));
        updateLabel.setImage(labelProvider.getImage(element));
    }

}

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From source file:org.neuro4j.studio.debug.ui.views.StructuredViewer.java

License:Apache License

/**
 * Build a label up for the element using the supplied label provider.
 * //from  w  w w  . ja  va  2 s.  c  o  m
 * @param updateLabel
 *        The ViewerLabel to collect the result in
 * @param element
 *        The element being decorated.
 * @param labelProvider
 *        ILabelProvider the labelProvider for the receiver.
 */
void buildLabel(ViewerLabel updateLabel, Object element, IViewerLabelProvider labelProvider) {

    labelProvider.updateLabel(updateLabel, element);

    colorAndFontCollector.setUsedDecorators();

    if (updateLabel.hasNewBackground()) {
        colorAndFontCollector.setBackground(updateLabel.getBackground());
    }

    if (updateLabel.hasNewForeground()) {
        colorAndFontCollector.setForeground(updateLabel.getForeground());
    }

    if (updateLabel.hasNewFont()) {
        colorAndFontCollector.setFont(updateLabel.getFont());
    }

}

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