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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.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.jface.viewers.ViewerFilter;
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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.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Combo;
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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.swt.widgets.Text;
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import org.eclipse.swt.widgets.ToolBar;
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import org.eclipse.swt.widgets.ToolItem;
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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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Text fileNameEntry;
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Combo filterCombo;
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FileTableComparator fileTableComparator;
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private FileGlobber globber = new FileGlobber();
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private FileGlobber imageGlobber = new FileGlobber();
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private File selectedDir;
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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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imageGlobber = new FileGlobber(filterStrings[0]);
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if(filterCombo!=null) {
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filterCombo.setItems(filterStrings);
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filterCombo.select(0);
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filterCombo.computeSize(SWT.DEFAULT, SWT.DEFAULT);
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}
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}
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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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protected Control createContents(Composite parent) {
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Control ret = super.createContents(parent);
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setDirSelection(currentDirFile.getAbsoluteFile().getParentFile());
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getButton(IDialogConstants.OK_ID).setEnabled(!tableViewer.getSelection().isEmpty());
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if(parent instanceof Shell) {
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Point size = ((Shell)parent).computeSize(SWT.DEFAULT, SWT.DEFAULT);
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((Shell)parent).setSize(size.x, 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!=null && entry.isDirectory()) {
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selectedDir = entry;
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tableViewer.setInput(selectedDir.listFiles());
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}
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});
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dirTreeViewer.setInput("root");
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final Composite tableViewerParent = new Composite(sashForm, SWT.NONE);
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GridLayout gridLayout = new GridLayout(1, true);
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gridLayout.horizontalSpacing=0;
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gridLayout.verticalSpacing=5;
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gridLayout.marginHeight=0;
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gridLayout.marginHeight=0;
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tableViewerParent.setLayout(gridLayout);
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final ToolBar toolBar = new ToolBar(tableViewerParent, SWT.HORIZONTAL |SWT.SHADOW_OUT);
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toolBar.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
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final ToolItem toolbarItemUp = new ToolItem(toolBar, SWT.PUSH);
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toolbarItemUp.setToolTipText("up one level");
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toolbarItemUp.setImage(ResourceManager.getPluginImage("com.minres.scviewer.e4.application", "icons/arrow_up.png")); //$NON-NLS-1$ //$NON-NLS-2$);
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toolbarItemUp.addSelectionListener(new SelectionAdapter() {
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@Override
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public void widgetSelected(SelectionEvent e) {
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if(selectedDir.getParentFile()!=null) {
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selectedDir=selectedDir.getParentFile();
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tableViewer.setInput(selectedDir.listFiles());
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}
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}
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});
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tableViewer = new TableViewer(tableViewerParent, SWT.BORDER | 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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IStructuredSelection sel = event.getStructuredSelection();
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getButton(IDialogConstants.OK_ID).setEnabled(!sel.isEmpty());
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@SuppressWarnings("unchecked")
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Object text = sel.toList().stream().map(e -> ((File)e).getName()).collect(Collectors.joining(";"));
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fileNameEntry.setText(text.toString());
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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(imageGlobber.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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tableViewer.addFilter(new FileTableFilter());
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Composite bottomBar = new Composite(tableViewerParent, SWT.NONE);
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bottomBar.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
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GridLayout gridLayoutBottom = new GridLayout(2, false);
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gridLayoutBottom.horizontalSpacing=0;
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gridLayoutBottom.verticalSpacing=0;
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gridLayoutBottom.marginHeight=0;
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gridLayoutBottom.marginWidth=0;
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bottomBar.setLayout(gridLayoutBottom);
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fileNameEntry = new Text(bottomBar, SWT.BORDER);
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fileNameEntry.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
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fileNameEntry.setEditable(false); //TODO: temporary disabled
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fileNameEntry.setEnabled(false);
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filterCombo = new Combo(bottomBar, SWT.DROP_DOWN | SWT.BORDER | SWT.READ_ONLY);
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filterCombo.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
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filterCombo.setItems(filterStrings);
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filterCombo.select(0);
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filterCombo.addSelectionListener(new SelectionAdapter() {
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@Override
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public void widgetSelected(SelectionEvent e) {
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globber= new FileGlobber(filterCombo.getText());
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tableViewer.setInput(selectedDir.listFiles());
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}
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});
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sashForm.setWeights(new int[]{3, 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, true);
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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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}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
protected boolean isResizable() {
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// save content of the Text fields because they get disposed
|
|
|
|
|
// as soon as the Dialog closes
|
|
|
|
|
@SuppressWarnings("unchecked")
|
|
|
|
|
private void saveInput() {
|
|
|
|
|
selectedFiles= tableViewer.getStructuredSelection().toList();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
protected void okPressed() {
|
|
|
|
|
saveInput();
|
|
|
|
|
super.okPressed();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
class FileGlobber {
|
|
|
|
|
|
|
|
|
|
List<PathMatcher> matchers;
|
|
|
|
|
|
|
|
|
|
public FileGlobber() {
|
|
|
|
|
matchers = new ArrayList<>(); }
|
|
|
|
|
|
|
|
|
|
public FileGlobber(String expr) {
|
|
|
|
|
ArrayList<PathMatcher> m = new ArrayList<>();
|
|
|
|
|
if(expr.length()>0) {
|
|
|
|
|
String[] tok = expr.split(";");
|
|
|
|
|
for (String string : tok) {
|
|
|
|
|
m.add(FileSystems.getDefault().getPathMatcher("glob:**/"+string));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
matchers = m;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public boolean matches(Object f) {
|
|
|
|
|
assert(f instanceof File);
|
|
|
|
|
if(matchers.size()==0) return true;
|
|
|
|
|
for (PathMatcher m : matchers) {
|
|
|
|
|
if(m.matches(((File)f).toPath())) return true;
|
|
|
|
|
}
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
class FileTreeContentProvider implements ITreeContentProvider {
|
|
|
|
|
public Object[] getChildren(Object arg0) {
|
|
|
|
|
File[] entries = ((File) arg0).listFiles();
|
|
|
|
|
if(entries != null) {
|
|
|
|
|
List<File> res = Arrays.stream(entries)
|
|
|
|
|
.filter(file -> !(file.isFile()||file.getName().startsWith(".") ||globber.matches(file)))
|
|
|
|
|
.sorted(new Comparator<File>(){
|
|
|
|
|
public int compare(File f1, File f2){return f1.getName().compareTo(f2.getName());}
|
|
|
|
|
})
|
|
|
|
|
.collect(Collectors.toList()); ;
|
|
|
|
|
return res.toArray();
|
|
|
|
|
} else
|
|
|
|
|
return new Object[0];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public Object getParent(Object arg0) {
|
|
|
|
|
return ((File) arg0).getParentFile();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public boolean hasChildren(Object arg0) {
|
|
|
|
|
Object[] obj = getChildren(arg0);
|
|
|
|
|
return obj == null ? false : obj.length > 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public Object[] getElements(Object arg0) {
|
|
|
|
|
return File.listRoots();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void dispose() {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
class FileTreeLabelProvider implements ILabelProvider {
|
|
|
|
|
private List<ILabelProviderListener> listeners;
|
|
|
|
|
|
|
|
|
|
private Image file;
|
|
|
|
|
|
|
|
|
|
private Image dir;
|
|
|
|
|
|
|
|
|
|
public FileTreeLabelProvider() {
|
|
|
|
|
listeners = new ArrayList<ILabelProviderListener>();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public Image getImage(Object arg0) {
|
|
|
|
|
return ((File) arg0).isDirectory() ? folderImage : file;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public String getText(Object arg0) {
|
|
|
|
|
File f = (File)arg0;
|
|
|
|
|
return f.getName().length() == 0? f.getPath() : f.getName();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void addListener(ILabelProviderListener arg0) {
|
|
|
|
|
listeners.add(arg0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void dispose() {
|
|
|
|
|
// Dispose the images
|
|
|
|
|
if (dir != null)
|
|
|
|
|
dir.dispose();
|
|
|
|
|
if (file != null)
|
|
|
|
|
file.dispose();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public boolean isLabelProperty(Object arg0, String arg1) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void removeListener(ILabelProviderListener arg0) {
|
|
|
|
|
listeners.remove(arg0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public class FileTableFilter extends ViewerFilter {
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
public boolean select(Viewer viewer, Object parentElement, Object element) {
|
|
|
|
|
File p = (File) element;
|
|
|
|
|
return !p.getName().startsWith(".");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public class FileTableComparator extends ViewerComparator {
|
|
|
|
|
private int propertyIndex = 0;
|
|
|
|
|
private boolean descending = false;
|
|
|
|
|
|
|
|
|
|
public FileTableComparator() {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public int getDirection() {
|
|
|
|
|
return descending ? SWT.DOWN : SWT.UP;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void setColumn(int column) {
|
|
|
|
|
descending = column == this.propertyIndex?!descending : false;
|
|
|
|
|
this.propertyIndex = column;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
public int compare(Viewer viewer, Object e1, Object e2) {
|
|
|
|
|
File p1 = (File) e1;
|
|
|
|
|
File p2 = (File) e2;
|
|
|
|
|
int rc = 0;
|
|
|
|
|
switch (propertyIndex) {
|
|
|
|
|
case 0:
|
|
|
|
|
rc = p1.getName().compareTo(p2.getName());
|
|
|
|
|
break;
|
|
|
|
|
case 1:
|
|
|
|
|
rc = Long.valueOf(p1.length()).compareTo(p2.length());
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
rc = 0;
|
|
|
|
|
}
|
|
|
|
|
// If descending order, flip the direction
|
|
|
|
|
return descending? -rc : rc;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public class FileTableLabelProvider extends ColumnLabelProvider {
|
|
|
|
|
@Override
|
|
|
|
|
public Color getBackground(Object element) {
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
public Color getForeground(Object element) {
|
|
|
|
|
return globber.matches(element) || ((File)element).isDirectory()? null: ResourceManager.getColor(SWT.COLOR_GRAY);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
