Examples with TreePath org.eclipse.jface.viewers.TreePath used on opensource projects

Example 46 with TreePath

use of org.eclipse.jface.viewers.TreePath in project netxms by netxms.

the class GalleryTreeViewer method remove.

/**
 * Removes the element at the specified index of the parent. The selection
 * is updated if required.
 *
 * @param parentOrTreePath
 *            the parent element, the input element, or a tree path to the
 *            parent element
 * @param index
 *            child index
 * @since 3.3
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public void remove(final Object parentOrTreePath, final int index) {
    // if (isBusy())
    // return;
    final List oldSelection = new LinkedList(Arrays.asList(((TreeSelection) getSelection()).getPaths()));
    preservingSelection(new Runnable() {

        public void run() {
            TreePath removedPath = null;
            if (internalIsInputOrEmptyPath(parentOrTreePath)) {
                Gallery gallery = (Gallery) getControl();
                if (index < gallery.getItemCount()) {
                    GalleryItem item = gallery.getItem(index);
                    if (item.getData() != null) {
                        removedPath = getTreePathFromItem(item);
                        disassociate(item);
                    }
                    item.dispose();
                }
            } else {
                Widget[] parentItems = internalFindItems(parentOrTreePath);
                for (int i = 0; i < parentItems.length; i++) {
                    GalleryItem parentItem = (GalleryItem) parentItems[i];
                    if (index < parentItem.getItemCount()) {
                        GalleryItem item = parentItem.getItem(index);
                        if (item.getData() != null) {
                            removedPath = getTreePathFromItem(item);
                            disassociate(item);
                        }
                        item.dispose();
                    }
                }
            }
            if (removedPath != null) {
                boolean removed = false;
                for (Iterator it = oldSelection.iterator(); it.hasNext(); ) {
                    TreePath path = (TreePath) it.next();
                    if (path.startsWith(removedPath, getComparer())) {
                        it.remove();
                        removed = true;
                    }
                }
                if (removed) {
                    setSelection(new TreeSelection((TreePath[]) oldSelection.toArray(new TreePath[oldSelection.size()]), getComparer()), false);
                }
            }
        }
    });
}

Example 47 with TreePath

use of org.eclipse.jface.viewers.TreePath in project polymap4-core by Polymap4.

the class CommonViewerSorter method isSorterProperty.

/* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ViewerComparator#isSorterProperty(java.lang.Object, java.lang.String)
     */
public boolean isSorterProperty(Object element, String property) {
    // Have to get the parent path from the content provider
    NavigatorContentServiceContentProvider cp = (NavigatorContentServiceContentProvider) contentService.createCommonContentProvider();
    TreePath[] parentPaths = cp.getParents(element);
    for (int i = 0; i < parentPaths.length; i++) {
        if (isSorterProperty(parentPaths[i], element, property))
            return true;
    }
    return false;
}

Example 48 with TreePath

use of org.eclipse.jface.viewers.TreePath in project polymap4-core by Polymap4.

the class SafeDelegateTreeContentProvider method getParents.

/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.ITreePathContentProvider#getParents(java.lang.Object)
	 */
public TreePath[] getParents(Object element) {
    if (contentProvider instanceof ITreePathContentProvider) {
        ITreePathContentProvider tpcp = (ITreePathContentProvider) contentProvider;
        return tpcp.getParents(element);
    }
    ArrayList segments = new ArrayList();
    Object parent = element;
    do {
        parent = contentProvider.getParent(parent);
        if (parent != null && parent != viewer.getInput())
            segments.add(0, parent);
    } while (parent != null && parent != viewer.getInput());
    if (!segments.isEmpty()) {
        // Loop backwards over the array to create the path.
        return new TreePath[] { new TreePath(segments.toArray()) };
    }
    return NO_PATHS;
}

Example 49 with TreePath

use of org.eclipse.jface.viewers.TreePath in project polymap4-core by Polymap4.

the class NavigatorPipelineService method interceptRemove.

public PipelinedShapeModification interceptRemove(PipelinedShapeModification aRemoveModification) {
    ContributorTrackingSet trackedSet = (ContributorTrackingSet) aRemoveModification.getChildren();
    Set interestedExtensions = new LinkedHashSet();
    for (Iterator iter = trackedSet.iterator(); iter.hasNext(); ) {
        Object element = (Object) iter.next();
        if (element instanceof TreePath) {
            interestedExtensions.addAll(contentService.findOverrideableContentExtensionsForPossibleChild(((TreePath) element).getLastSegment()));
        } else {
            interestedExtensions = contentService.findOverrideableContentExtensionsForPossibleChild(element);
        }
    }
    for (Iterator overridingExtensionsIter = interestedExtensions.iterator(); overridingExtensionsIter.hasNext(); ) pipelineInterceptRemove(aRemoveModification, trackedSet, (NavigatorContentExtension) overridingExtensionsIter.next());
    return aRemoveModification;
}

Example 50 with TreePath

use of org.eclipse.jface.viewers.TreePath in project polymap4-core by Polymap4.

the class NavigatorSaveablesService method getActiveSaveablesFromTreeSelection.

/**
 * @param selection
 * @return the active saveables
 */
private Saveable[] getActiveSaveablesFromTreeSelection(ITreeSelection selection) {
    Set result = new HashSet();
    TreePath[] paths = selection.getPaths();
    for (int i = 0; i < paths.length; i++) {
        TreePath path = paths[i];
        Saveable saveable = findSaveable(path);
        if (saveable != null) {
            result.add(saveable);
        }
    }
    return (Saveable[]) result.toArray(new Saveable[result.size()]);
}