Example usage for org.eclipse.jface.viewers IBaseLabelProvider isLabelProperty

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IBaseLabelProvider isLabelProperty.

Prototype

public boolean isLabelProperty(Object element, String property);

Source Link

Document

Returns whether the label would be affected by a change to the given property of the given element.

Usage

From source file:org.eclipse.e4.tm.builder.jface.LabeledTableLabelProvider.java

License:Open Source License

public boolean isLabelProperty(Object element, String property) {
    for (IBaseLabelProvider labelProvider : labelProviders) {
        if (labelProvider.isLabelProperty(element, property)) {
            return true;
        }//from ww w.j  a  va  2 s .c  o  m
    }
    return false;
}

---

From source file:org.eclipse.ui.internal.decorators.DecoratorDefinition.java

License:Open Source License

/**
 * Return whether or not the decorator registered for element
 * has a label property called property name. If there is an 
 * exception disable the receiver and return false.
 * This method should not be called unless a check for
 * isEnabled() has been done first.//  w  w  w .ja  v  a 2s  .  c  o  m
 */
boolean isLabelProperty(Object element, String property) {
    try { //Internal decorator might be null so be prepared
        IBaseLabelProvider currentDecorator = internalGetLabelProvider();
        if (currentDecorator != null) {
            return currentDecorator.isLabelProperty(element, property);
        }
    } catch (CoreException exception) {
        handleCoreException(exception);
        return false;
    }
    return false;
}

---

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

License:Apache License

/**
 * Updates the given element's presentation when one or more of its
 * properties changes. Only the given element is updated.
 * <p>/*from ww  w  .ja v a 2 s.  com*/
 * EXPERIMENTAL. Not to be used except by JDT. This method was added to support JDT's explorations into grouping by
 * working sets, which requires viewers to support multiple equal elements. See bug 76482 for more details. This
 * support will likely be removed in Eclipse 3.3 in favor of proper support for multiple equal elements (which was
 * implemented for AbtractTreeViewer in 3.2).
 * </p>
 * 
 * @param widget
 *        the widget for the element
 * @param element
 *        the element
 * @param properties
 *        the properties that have changed, or <code>null</code> to
 *        indicate unknown
 */
protected void internalUpdate(Widget widget, Object element, String[] properties) {
    boolean needsRefilter = false;
    if (properties != null) {
        for (int i = 0; i < properties.length; ++i) {
            needsRefilter = needsRefilter(element, properties[i]);
            if (needsRefilter) {
                break;
            }
        }
    }
    if (needsRefilter) {
        preservingSelection(new Runnable() {
            public void run() {
                internalRefresh(getRoot());
                refreshOccurred = true;
            }
        });
        return;
    }

    boolean needsUpdate;
    if (properties == null) {
        needsUpdate = true;
    } else {
        needsUpdate = false;
        IBaseLabelProvider labelProvider = getLabelProvider();
        for (int i = 0; i < properties.length; ++i) {
            needsUpdate = labelProvider.isLabelProperty(element, properties[i]);
            if (needsUpdate) {
                break;
            }
        }
    }
    if (needsUpdate) {
        updateItem(widget, element);
    }
}

---