Java tutorial
/** * Aptana Studio * Copyright (c) 2005-2012 by Appcelerator, Inc. All Rights Reserved. * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions). * Please see the license.html included with this distribution for details. * Any modifications to this file must keep this entire header intact. */ // $codepro.audit.disable unnecessaryExceptions package com.aptana.ide.ui.io.properties; import java.io.File; import java.lang.reflect.InvocationTargetException; import java.text.DateFormat; import java.text.MessageFormat; import java.util.Date; import org.eclipse.core.filesystem.EFS; import org.eclipse.core.filesystem.IFileInfo; import org.eclipse.core.filesystem.IFileStore; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.ProgressMonitorDialog; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.operation.IRunnableWithProgress; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IWorkbenchPropertyPage; import org.eclipse.ui.dialogs.PropertyPage; import org.eclipse.ui.internal.ide.IDEWorkbenchMessages; import com.aptana.core.io.vfs.IExtendedFileInfo; import com.aptana.core.io.vfs.IExtendedFileStore; import com.aptana.core.util.StringUtil; import com.aptana.ide.core.io.preferences.PermissionDirection; import com.aptana.ide.core.io.preferences.PreferenceUtils; import com.aptana.ide.ui.io.IOUIPlugin; import com.aptana.ide.ui.io.Utils; import com.aptana.ide.ui.io.preferences.PermissionsGroup; import com.aptana.ui.util.UIUtils; /** * @author Max Stepanov */ @SuppressWarnings("restriction") public class FileInfoPropertyPage extends PropertyPage implements IWorkbenchPropertyPage { private static final int MAX_VALUE_WIDTH = 80; private PermissionsGroup fPermissionsGroup; private IFileInfo fFileInfo; // private EncodingFieldEditor encodingEditor; // private LineDelimiterEditor lineDelimiterEditor; /* * (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite) */ @Override protected Control createContents(Composite parent) { // first try to adapt to IFileStore directly final IFileStore fileStore = Utils.getFileStore(getElement()); if (fileStore == null) { Label label = new Label(parent, SWT.NONE); label.setText(IDEWorkbenchMessages.ResourceInfoPage_noResource); return label; } try { if (getElement().getAdapter(File.class) != null) { fFileInfo = fileStore.fetchInfo(EFS.NONE, new NullProgressMonitor()); } else { final IFileInfo[] result = new IFileInfo[1]; ProgressMonitorDialog dlg = new ProgressMonitorDialog(parent.getShell()); try { dlg.run(true, true, new IRunnableWithProgress() { public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { try { result[0] = fileStore.fetchInfo(IExtendedFileStore.DETAILED, monitor); } catch (CoreException e) { throw new InvocationTargetException(e, e.getLocalizedMessage()); } finally { monitor.done(); } } }); } catch (InvocationTargetException e) { throw (CoreException) e.getTargetException(); } catch (InterruptedException e) { e.getCause(); } fFileInfo = result[0]; } } catch (CoreException e) { UIUtils.showErrorMessage(Messages.FileInfoPropertyPage_FailedToFetchInfo, e); } if (fFileInfo == null) { Label label = new Label(parent, SWT.NONE); label.setText(IDEWorkbenchMessages.ResourceInfoPage_noResource); return label; } Composite composite = new Composite(parent, SWT.NONE); composite.setLayout(GridLayoutFactory.swtDefaults().margins(0, 0).create()); composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); Composite basicInfo = createBasicInfoGroup(composite, fileStore, fFileInfo); basicInfo.setLayoutData(GridDataFactory.fillDefaults().create()); Label separator = new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL); separator.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); Composite state = createStateGroup(composite, fileStore, fFileInfo); state.setLayoutData(GridDataFactory.fillDefaults().create()); if (fFileInfo instanceof IExtendedFileInfo) { IExtendedFileInfo extendedInfo = (IExtendedFileInfo) fFileInfo; Composite owner = createOwnerGroup(composite, extendedInfo); owner.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).indent(0, 10).create()); Composite permissions = createPermissionsGroup(composite, extendedInfo); permissions.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).indent(0, 5).create()); } /* * TODO new Label(composite, SWT.NONE); // a vertical spacer encodingEditor = new EncodingFieldEditor("", * fileInfo.isDirectory() ? IDEWorkbenchMessages.ResourceInfo_fileEncodingTitle : * IDEWorkbenchMessages.WorkbenchPreference_encoding, composite); encodingEditor.setPreferenceStore(null); * encodingEditor.setPage(this); encodingEditor.load(); encodingEditor.setPropertyChangeListener(new * IPropertyChangeListener() { public void propertyChange(PropertyChangeEvent event) { if * (event.getProperty().equals(FieldEditor.IS_VALID)) { setValid(encodingEditor.isValid()); } } }); if * (fileInfo.isDirectory()) { lineDelimiterEditor = new LineDelimiterEditor(composite, resource.getProject()); * lineDelimiterEditor.doLoad(); } */ Dialog.applyDialogFont(composite); return composite; } public boolean performOk() { if (fFileInfo != null && (fFileInfo instanceof IExtendedFileInfo)) { long permissions = fPermissionsGroup.getPermissions(); IExtendedFileInfo extendedInfo = (IExtendedFileInfo) fFileInfo; if (permissions != extendedInfo.getPermissions()) { // the permissions have been modified extendedInfo.setPermissions(permissions); IFileStore fileStore = Utils.getFileStore(getElement()); if (fileStore != null) { try { fileStore.putInfo(fFileInfo, IExtendedFileInfo.SET_PERMISSIONS, new NullProgressMonitor()); } catch (CoreException e) { UIUtils.showErrorMessage(Messages.FileInfoPropertyPage_ErrorStoreInfo, e); } } } } return super.performOk(); } protected void performDefaults() { if (fPermissionsGroup != null) { if (fFileInfo.isDirectory()) { fPermissionsGroup.setPermissions(PreferenceUtils.getFolderPermissions(PermissionDirection.UPLOAD)); } else { fPermissionsGroup.setPermissions(PreferenceUtils.getFilePermissions(PermissionDirection.UPLOAD)); } } super.performDefaults(); } protected IPreferenceStore doGetPreferenceStore() { return IOUIPlugin.getDefault().getPreferenceStore(); } private Composite createBasicInfoGroup(Composite parent, IFileStore fileStore, IFileInfo fileInfo) { Composite container = new Composite(parent, SWT.NULL); container.setLayout(GridLayoutFactory.swtDefaults().numColumns(2).margins(0, 0).create()); Label label = new Label(container, SWT.NONE); label.setText(IDEWorkbenchMessages.ResourceInfo_path); label.setLayoutData(GridDataFactory.swtDefaults().align(SWT.BEGINNING, SWT.TOP).create()); Text pathText = new Text(container, SWT.WRAP | SWT.READ_ONLY); pathText.setText(fileStore.toURI().getPath()); pathText.setBackground(pathText.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND)); pathText.setLayoutData(GridDataFactory.swtDefaults().grab(true, false).align(SWT.FILL, SWT.CENTER) .hint(convertWidthInCharsToPixels(MAX_VALUE_WIDTH), SWT.DEFAULT).create()); label = new Label(container, SWT.LEFT); label.setText(IDEWorkbenchMessages.ResourceInfo_type); label.setLayoutData(GridDataFactory.swtDefaults().align(SWT.BEGINNING, SWT.TOP).create()); Text typeText = new Text(container, SWT.LEFT | SWT.READ_ONLY); typeText.setText( fileInfo.isDirectory() ? Messages.FileInfoPropertyPage_Folder : Messages.FileInfoPropertyPage_File); typeText.setBackground(typeText.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND)); typeText.setLayoutData(GridDataFactory.swtDefaults().create()); label = new Label(container, SWT.LEFT); label.setText(IDEWorkbenchMessages.ResourceInfo_location); label.setLayoutData(GridDataFactory.swtDefaults().align(SWT.BEGINNING, SWT.TOP).create()); Text locationText = new Text(container, SWT.WRAP | SWT.READ_ONLY); locationText.setText(fileStore.toString()); locationText.setBackground(locationText.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND)); locationText.setLayoutData(GridDataFactory.swtDefaults().grab(true, false).align(SWT.FILL, SWT.CENTER) .hint(convertWidthInCharsToPixels(MAX_VALUE_WIDTH), SWT.DEFAULT).create()); if (!fileInfo.isDirectory()) { label = new Label(container, SWT.LEFT); label.setText(IDEWorkbenchMessages.ResourceInfo_size); label.setLayoutData(GridDataFactory.swtDefaults().create()); Text sizeText = new Text(container, SWT.LEFT | SWT.READ_ONLY); sizeText.setText( MessageFormat.format(Messages.FileInfoPropertyPage_Bytes, Long.toString(fileInfo.getLength()))); sizeText.setBackground(sizeText.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND)); sizeText.setLayoutData(GridDataFactory.swtDefaults().grab(true, false).align(SWT.FILL, SWT.CENTER) .hint(convertWidthInCharsToPixels(MAX_VALUE_WIDTH), SWT.DEFAULT).create()); } return container; } private Composite createStateGroup(Composite parent, IFileStore fileStore, IFileInfo fileInfo) { Composite container = new Composite(parent, SWT.NULL); container.setLayout(GridLayoutFactory.swtDefaults().numColumns(2).margins(0, 0).create()); Label timeStampLabel = new Label(container, SWT.NONE); timeStampLabel.setText(IDEWorkbenchMessages.ResourceInfo_lastModified); Text timeStampText = new Text(container, SWT.READ_ONLY); DateFormat format = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.MEDIUM); timeStampText.setText(format.format(new Date(fileInfo.getLastModified()))); timeStampText.setBackground(timeStampText.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND)); timeStampText.setLayoutData( GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).create()); return container; } private Composite createOwnerGroup(Composite parent, IExtendedFileInfo fileInfo) { Group container = new Group(parent, SWT.NONE); container.setText(Messages.FileInfoPropertyPage_OwnerAndGroup); container.setLayout(GridLayoutFactory.swtDefaults().numColumns(2).margins(0, 0).create()); Label label = new Label(container, SWT.NONE); label.setText(StringUtil.makeFormLabel(Messages.FileInfoPropertyPage_Owner)); Text text = new Text(container, SWT.READ_ONLY); text.setText(fileInfo.getOwner()); text.setLayoutData(GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).create()); label = new Label(container, SWT.NONE); label.setText(StringUtil.makeFormLabel(Messages.FileInfoPropertyPage_Group)); text = new Text(container, SWT.READ_ONLY); text.setText(fileInfo.getGroup()); text.setLayoutData(GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).create()); return container; } private Composite createPermissionsGroup(Composite parent, IExtendedFileInfo fileInfo) { Group group = new Group(parent, SWT.NONE); group.setText(Messages.FileInfoPropertyPage_Permissions); group.setLayout(GridLayoutFactory.fillDefaults().create()); fPermissionsGroup = new PermissionsGroup(group); fPermissionsGroup.setPermissions(fileInfo.getPermissions()); fPermissionsGroup.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); return fPermissionsGroup; } }