Examples with IElementFilter org.eclipse.ui.ide.dialogs.IElementFilter used on opensource projects

Example 1 with IElementFilter

use of org.eclipse.ui.ide.dialogs.IElementFilter in project linuxtools by eclipse.

the class ContainerCopyToPage method setupSelectionsBasedOnSelectedTypes.

/**
 * Update the tree to only select those elements that match the selected
 * types
 */
@SuppressWarnings("rawtypes")
@Override
protected void setupSelectionsBasedOnSelectedTypes() {
    ProgressMonitorDialog dialog = new ProgressMonitorDialog(getContainer().getShell());
    final Map selectionMap = new Hashtable();
    final IElementFilter filter = new IElementFilter() {

        @Override
        public void filterElements(Collection files, IProgressMonitor monitor) throws InterruptedException {
            if (files == null) {
                throw new InterruptedException();
            }
            Iterator filesList = files.iterator();
            while (filesList.hasNext()) {
                if (monitor.isCanceled()) {
                    throw new InterruptedException();
                }
                checkFile(filesList.next());
            }
        }

        @Override
        public void filterElements(Object[] files, IProgressMonitor monitor) throws InterruptedException {
            if (files == null) {
                throw new InterruptedException();
            }
            for (int i = 0; i < files.length; i++) {
                if (monitor.isCanceled()) {
                    throw new InterruptedException();
                }
                checkFile(files[i]);
            }
        }

        @SuppressWarnings("unchecked")
        private void checkFile(Object fileElement) {
            MinimizedFileSystemElement file = (MinimizedFileSystemElement) fileElement;
            if (isExportableExtension(file.getFileNameExtension())) {
                List elements = new ArrayList();
                FileSystemElement parent = file.getParent();
                if (selectionMap.containsKey(parent)) {
                    elements = (List) selectionMap.get(parent);
                }
                elements.add(file);
                selectionMap.put(parent, elements);
            }
        }
    };
    IRunnableWithProgress runnable = monitor -> {
        monitor.beginTask(CopyToContainerMessages.ImportPage_filterSelections, IProgressMonitor.UNKNOWN);
        getSelectedResources(filter, monitor);
    };
    try {
        dialog.run(true, true, runnable);
    } catch (InvocationTargetException exception) {
        // Couldn't start. Do nothing.
        return;
    } catch (InterruptedException exception) {
        // Got interrupted. Do nothing.
        return;
    }
    // make sure that all paint operations caused by closing the progress
    // dialog get flushed, otherwise extra pixels will remain on the screen
    // until
    // updateSelections is completed
    getShell().update();
    // a new process.
    if (selectionMap != null) {
        updateSelections(selectionMap);
    }
}