Initial version of custom file selection dialog
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After Width: | Height: | Size: 294 B |
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@ -11,7 +11,7 @@
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package com.minres.scviewer.e4.application.handlers;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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import org.eclipse.e4.core.contexts.IEclipseContext;
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import org.eclipse.e4.core.di.annotations.Execute;
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@ -21,27 +21,20 @@ import org.eclipse.e4.ui.model.application.ui.basic.MPartStack;
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import org.eclipse.e4.ui.workbench.modeling.EModelService;
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import org.eclipse.e4.ui.workbench.modeling.EPartService;
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import org.eclipse.e4.ui.workbench.modeling.EPartService.PartState;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.widgets.FileDialog;
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import org.eclipse.jface.window.Window;
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import org.eclipse.swt.widgets.Shell;
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import com.minres.scviewer.e4.application.Messages;
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import com.minres.scviewer.e4.application.parts.FileBrowserDialog;
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public class OpenHandler {
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@Execute
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public void execute(Shell shell, MApplication app, EModelService modelService, EPartService partService){
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FileDialog dialog = new FileDialog(shell, SWT.OPEN | SWT.MULTI);
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dialog.setFilterExtensions (new String []{Messages.OpenHandler_0});
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String ret = dialog.open();
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if(ret==null)
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return;
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String path = dialog.getFilterPath();
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ArrayList<File> files = new ArrayList<File>();
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for(String fileName: dialog.getFileNames()){
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File file = new File(path+File.separator+fileName);
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if(file.exists())
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files.add(file);
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}
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FileBrowserDialog dlg = new FileBrowserDialog(shell);
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dlg.create();
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dlg.setFilterExtensions (new String []{Messages.OpenHandler_0});
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if (dlg.open() != Window.OK) return;
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List<File> files = dlg.getSelectedFiles();
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MPart part = partService .createPart("com.minres.scviewer.e4.application.partdescriptor.waveformviewer"); //$NON-NLS-1$
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part.setLabel(files.get(0).getName());
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MPartStack partStack = (MPartStack)modelService.find("org.eclipse.editorss", app); //$NON-NLS-1$
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@ -9,7 +9,7 @@ DesignBrowser_8=Insert before
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LoadingWaveformDb_0=Database loading...
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LoadStoreSettingsHandler_2=*.scview
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LoadStoreSettingsHandler_3=SCViewer.scview
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OpenHandler_0=*.vcd;*.txdb;*.txlog;CURRENT
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OpenHandler_0=*.vcd;*.txdb;*.txlog;*.fbrdb
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QuitHandler_0=Confirmation
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QuitHandler_1=Do you want to exit?
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RelationTypeToolControl_0=------------
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@ -0,0 +1,410 @@
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package com.minres.scviewer.e4.application.parts;
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import java.io.File;
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import java.nio.file.FileSystems;
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import java.nio.file.PathMatcher;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.List;
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import java.util.regex.Pattern;
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import java.util.stream.Collectors;
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import org.eclipse.jface.dialogs.IDialogConstants;
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import org.eclipse.jface.dialogs.TrayDialog;
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import org.eclipse.jface.viewers.ArrayContentProvider;
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import org.eclipse.jface.viewers.ColumnLabelProvider;
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import org.eclipse.jface.viewers.ILabelProvider;
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import org.eclipse.jface.viewers.ILabelProviderListener;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.ITreeContentProvider;
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import org.eclipse.jface.viewers.TableViewer;
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import org.eclipse.jface.viewers.TableViewerColumn;
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import org.eclipse.jface.viewers.TreePath;
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import org.eclipse.jface.viewers.TreeSelection;
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import org.eclipse.jface.viewers.TreeViewer;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.jface.viewers.ViewerComparator;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.custom.SashForm;
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import org.eclipse.swt.events.MouseAdapter;
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import org.eclipse.swt.events.MouseEvent;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.graphics.Color;
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import org.eclipse.swt.graphics.Image;
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import org.eclipse.swt.graphics.Point;
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import org.eclipse.swt.layout.FillLayout;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.layout.RowLayout;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Control;
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import org.eclipse.swt.widgets.Shell;
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import org.eclipse.swt.widgets.Table;
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import org.eclipse.swt.widgets.TableColumn;
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import org.eclipse.swt.widgets.TableItem;
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import org.eclipse.wb.swt.ResourceManager;
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public class FileBrowserDialog extends TrayDialog {
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private Image folderImage;
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private Image fileImage;
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private Image dbImage;
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File currentDirFile;
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TreeViewer dirTreeViewer;
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TableViewer tableViewer;
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FileTableComparator fileTableComparator;
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private FileGlobber globber = new FileGlobber();
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private List<File> selectedFiles;
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String[] filterStrings = new String[] {"*"};
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public FileBrowserDialog(Shell parentShell) {
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super(parentShell);
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folderImage=ResourceManager.getPluginImage("com.minres.scviewer.e4.application", "icons/folder.png"); //$NON-NLS-1$ //$NON-NLS-2$
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dbImage=ResourceManager.getPluginImage("com.minres.scviewer.e4.application", "icons/database.png"); //$NON-NLS-1$ //$NON-NLS-2$
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fileImage=ResourceManager.getPluginImage("com.minres.scviewer.e4.application", "icons/page_white.png"); //$NON-NLS-1$ //$NON-NLS-2$
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currentDirFile = new File(".");
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}
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public void setFilterExtensions(String[] filterStrings) {
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if(filterStrings.length==0){
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globber = new FileGlobber();
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} else
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globber= new FileGlobber(filterStrings[0]);
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this.filterStrings=filterStrings;
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}
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public List<File> getSelectedFiles(){
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return selectedFiles;
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}
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@Override
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public int open() {
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dirTreeViewer.setInput("root");
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dirTreeViewer.refresh();
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setDirSelection(currentDirFile.getAbsoluteFile().getParentFile());
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getButton(IDialogConstants.OK_ID).setEnabled(!tableViewer.getSelection().isEmpty());
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return super.open();
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}
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@Override
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protected Control createContents(Composite parent) {
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Control ret = super.createContents(parent);
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if(parent instanceof Shell) {
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((Shell)parent).setSize(800, 400);
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((Shell)parent).setText("Select database");
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}
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return ret;
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}
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@Override
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protected Control createDialogArea(Composite parent) {
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Composite area = (Composite) super.createDialogArea(parent);
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final SashForm sashForm = new SashForm(area, SWT.HORIZONTAL);
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sashForm.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL));
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dirTreeViewer = new TreeViewer(sashForm);
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dirTreeViewer.setContentProvider(new FileTreeContentProvider());
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dirTreeViewer.setLabelProvider(new FileTreeLabelProvider());
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dirTreeViewer.addSelectionChangedListener(event -> {
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IStructuredSelection sel = event.getStructuredSelection();
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File entry = (File) sel.getFirstElement();
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if(entry.isDirectory()) {
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tableViewer.setInput(entry.listFiles());
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}
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});
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final Composite tableViewerParent = new Composite(sashForm, SWT.BORDER);
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tableViewerParent.setLayout(new GridLayout(1, true));
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tableViewer = new TableViewer(tableViewerParent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.MULTI);
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tableViewer.getTable().setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL));
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tableViewer.addSelectionChangedListener(event -> {
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getButton(IDialogConstants.OK_ID).setEnabled(!event.getStructuredSelection().isEmpty());
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});
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tableViewer.addDoubleClickListener(event -> {
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IStructuredSelection sel = tableViewer.getStructuredSelection();
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if(sel.isEmpty()) return;
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if(sel.size()==1) {
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File elem = (File) sel.getFirstElement();
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if(globber.matches(elem))
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buttonPressed(IDialogConstants.OK_ID);
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else if(elem.isDirectory())
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setDirSelection(elem);
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} else
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buttonPressed(IDialogConstants.OK_ID);
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});
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tableViewer.setContentProvider(ArrayContentProvider.getInstance());
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tableViewer.getTable().setHeaderVisible(true);
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tableViewer.getTable().setLinesVisible(true);
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tableViewer.getTable().addMouseListener(new MouseAdapter() {
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@Override
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public void mouseDown(MouseEvent e) { mouseUp(e); }
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@Override
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public void mouseUp(MouseEvent e) {
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TableItem element = (TableItem)tableViewer.getTable().getItem(new Point(e.x, e.y));
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final Table table = tableViewer.getTable();
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if (element == null )//&& (e.stateMask&SWT.MODIFIER_MASK)!=0)
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table.deselectAll();
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else {
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int[] indices = table.getSelectionIndices();
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if(indices.length==1) {
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TableItem ti = table.getItem(indices[0]);
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if(!globber.matches(ti.getData()) && !((File)ti.getData()).isDirectory())
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table.deselect(indices[0]);
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} else {
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for (int idx : indices) {
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TableItem ti = table.getItem(idx);
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if(!globber.matches(ti.getData()))
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table.deselect(idx);
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}
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}
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}
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}
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});
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TableViewerColumn colName = new TableViewerColumn(tableViewer, SWT.NONE);
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colName.setLabelProvider(new FileTableLabelProvider() {
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@Override public String getText(Object element) { return ((File) element).getName(); }
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@Override public Image getImage(Object element){
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if(globber.matches(element)) return dbImage;
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return ((File) element).isDirectory()?folderImage:fileImage;
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}
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});
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colName.getColumn().setWidth(300);
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colName.getColumn().setText("Name");
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colName.getColumn().addSelectionListener(getSelectionAdapter(colName.getColumn(), 0));
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TableViewerColumn colSize = new TableViewerColumn(tableViewer, SWT.RIGHT);
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colSize.setLabelProvider(new FileTableLabelProvider() {
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@Override public String getText(Object element) { return String.format("%d", ((File) element).length()); }
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});
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colSize.getColumn().setWidth(100);
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colSize.getColumn().setText("Size");
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colSize.getColumn().addSelectionListener(getSelectionAdapter(colSize.getColumn(), 1));
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TableViewerColumn colEmpty = new TableViewerColumn(tableViewer, SWT.CENTER);
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colEmpty.setLabelProvider(new FileTableLabelProvider() {
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@Override public String getText(Object element) { return ""; }
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});
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//colEmpty.getColumn().setWidth(200);
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colEmpty.getColumn().setText("");
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fileTableComparator = new FileTableComparator();
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tableViewer.setComparator(fileTableComparator);
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sashForm.setWeights(new int[]{2, 3});
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return area;
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}
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private SelectionAdapter getSelectionAdapter(final TableColumn column, final int index) {
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SelectionAdapter selectionAdapter = new SelectionAdapter() {
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@Override
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public void widgetSelected(SelectionEvent e) {
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fileTableComparator.setColumn(index);
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int dir = fileTableComparator.getDirection();
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tableViewer.getTable().setSortDirection(dir);
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tableViewer.getTable().setSortColumn(column);
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tableViewer.refresh();
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}
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};
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return selectionAdapter;
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}
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private void setDirSelection(File f) {
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ArrayList<File> fileTree = getParentDirList(f);
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TreeSelection selection = new TreeSelection(new TreePath(fileTree.toArray()));
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dirTreeViewer.setSelection(selection);
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}
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private ArrayList<File> getParentDirList(File actual){
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if(actual==null)
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return new ArrayList<>();
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else {
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ArrayList<File> l = getParentDirList(actual.getParentFile());
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l.add(actual);
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return l;
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}
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}
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@Override
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protected boolean isResizable() {
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return true;
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}
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// save content of the Text fields because they get disposed
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// as soon as the Dialog closes
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@SuppressWarnings("unchecked")
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private void saveInput() {
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selectedFiles= tableViewer.getStructuredSelection().toList();
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}
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@Override
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protected void okPressed() {
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saveInput();
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super.okPressed();
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}
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class FileGlobber {
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List<PathMatcher> matchers;
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public FileGlobber() {
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matchers = new ArrayList<>(); }
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public FileGlobber(String expr) {
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ArrayList<PathMatcher> m = new ArrayList<>();
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if(expr.length()>0) {
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String[] tok = expr.split(";");
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for (String string : tok) {
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m.add(FileSystems.getDefault().getPathMatcher("glob:**/"+string));
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}
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}
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matchers = m;
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}
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public boolean matches(Object f) {
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assert(f instanceof File);
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if(matchers.size()==0) return true;
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for (PathMatcher m : matchers) {
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if(m.matches(((File)f).toPath())) return true;
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}
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return false;
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}
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}
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class FileTreeContentProvider implements ITreeContentProvider {
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public Object[] getChildren(Object arg0) {
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File[] entries = ((File) arg0).listFiles();
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if(entries != null) {
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List<File> res = Arrays.stream(entries)
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.filter(file -> !(file.isFile()||file.getName().startsWith(".") ||globber.matches(file)))
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.sorted(new Comparator<File>(){
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public int compare(File f1, File f2){return f1.getName().compareTo(f2.getName());}
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})
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.collect(Collectors.toList()); ;
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return res.toArray();
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} else
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return new Object[0];
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}
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public Object getParent(Object arg0) {
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return ((File) arg0).getParentFile();
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}
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public boolean hasChildren(Object arg0) {
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Object[] obj = getChildren(arg0);
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return obj == null ? false : obj.length > 0;
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}
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public Object[] getElements(Object arg0) {
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return File.listRoots();
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}
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public void dispose() {
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}
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public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
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}
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}
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class FileTreeLabelProvider implements ILabelProvider {
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private List<ILabelProviderListener> listeners;
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private Image file;
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private Image dir;
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public FileTreeLabelProvider() {
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listeners = new ArrayList<ILabelProviderListener>();
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}
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public Image getImage(Object arg0) {
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return ((File) arg0).isDirectory() ? folderImage : file;
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}
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public String getText(Object arg0) {
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File f = (File)arg0;
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return f.getName().length() == 0? f.getPath() : f.getName();
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}
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public void addListener(ILabelProviderListener arg0) {
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listeners.add(arg0);
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}
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public void dispose() {
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// Dispose the images
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if (dir != null)
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dir.dispose();
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if (file != null)
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file.dispose();
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}
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public boolean isLabelProperty(Object arg0, String arg1) {
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return false;
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}
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public void removeListener(ILabelProviderListener arg0) {
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listeners.remove(arg0);
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}
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}
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public class FileTableComparator extends ViewerComparator {
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private int propertyIndex = 0;
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private boolean descending = false;
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public FileTableComparator() {
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}
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public int getDirection() {
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return descending ? SWT.DOWN : SWT.UP;
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}
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public void setColumn(int column) {
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descending = column == this.propertyIndex?!descending : false;
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this.propertyIndex = column;
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}
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@Override
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public int compare(Viewer viewer, Object e1, Object e2) {
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File p1 = (File) e1;
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File p2 = (File) e2;
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int rc = 0;
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switch (propertyIndex) {
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case 0:
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rc = p1.getName().compareTo(p2.getName());
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break;
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case 1:
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rc = Long.valueOf(p1.length()).compareTo(p2.length());
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break;
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default:
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rc = 0;
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}
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// If descending order, flip the direction
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return descending? -rc : rc;
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}
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}
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public class FileTableLabelProvider extends ColumnLabelProvider {
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@Override
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public Color getBackground(Object element) {
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return null;
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}
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@Override
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public Color getForeground(Object element) {
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return globber.matches(element) || ((File)element).isDirectory()? null: ResourceManager.getColor(SWT.COLOR_GRAY);
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}
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}
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}
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