Revision 7602050a
Added by Katja Luther almost 8 years ago
eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/dialog/selection/CdmFilteredItemsSelectionDialog.java | ||
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// $Id$ |
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/** |
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* Copyright (C) 2016 EDIT |
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* European Distributed Institute of Taxonomy |
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* http://www.e-taxonomy.eu |
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* |
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* The contents of this file are subject to the Mozilla Public License Version 1.1 |
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* See LICENSE.TXT at the top of this package for the full license terms. |
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*/ |
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package eu.etaxonomy.taxeditor.ui.dialog.selection; |
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import java.io.IOException; |
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import java.io.StringReader; |
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import java.io.StringWriter; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collections; |
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import java.util.Comparator; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import java.util.LinkedHashSet; |
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import java.util.List; |
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import java.util.Set; |
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|
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import org.eclipse.core.commands.AbstractHandler; |
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import org.eclipse.core.commands.ExecutionEvent; |
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import org.eclipse.core.commands.IHandler; |
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import org.eclipse.core.runtime.Assert; |
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import org.eclipse.core.runtime.CoreException; |
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import org.eclipse.core.runtime.IProgressMonitor; |
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import org.eclipse.core.runtime.IStatus; |
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import org.eclipse.core.runtime.ListenerList; |
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import org.eclipse.core.runtime.NullProgressMonitor; |
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import org.eclipse.core.runtime.ProgressMonitorWrapper; |
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import org.eclipse.core.runtime.Status; |
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import org.eclipse.core.runtime.SubProgressMonitor; |
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import org.eclipse.core.runtime.jobs.Job; |
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import org.eclipse.jface.action.Action; |
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import org.eclipse.jface.action.ActionContributionItem; |
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import org.eclipse.jface.action.IAction; |
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import org.eclipse.jface.action.IMenuListener; |
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import org.eclipse.jface.action.IMenuManager; |
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import org.eclipse.jface.action.LegacyActionTools; |
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import org.eclipse.jface.action.MenuManager; |
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import org.eclipse.jface.dialogs.IDialogSettings; |
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import org.eclipse.jface.viewers.ContentViewer; |
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import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider; |
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import org.eclipse.jface.viewers.DoubleClickEvent; |
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import org.eclipse.jface.viewers.IColorProvider; |
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import org.eclipse.jface.viewers.IContentProvider; |
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import org.eclipse.jface.viewers.IDoubleClickListener; |
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import org.eclipse.jface.viewers.IFontProvider; |
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import org.eclipse.jface.viewers.ILabelDecorator; |
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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.ILazyContentProvider; |
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import org.eclipse.jface.viewers.ISelection; |
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import org.eclipse.jface.viewers.ISelectionChangedListener; |
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import org.eclipse.jface.viewers.IStructuredContentProvider; |
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import org.eclipse.jface.viewers.LabelProvider; |
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import org.eclipse.jface.viewers.LabelProviderChangedEvent; |
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import org.eclipse.jface.viewers.SelectionChangedEvent; |
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import org.eclipse.jface.viewers.StructuredSelection; |
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import org.eclipse.jface.viewers.StyledCellLabelProvider; |
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import org.eclipse.jface.viewers.StyledString; |
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import org.eclipse.jface.viewers.TableViewer; |
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import org.eclipse.jface.viewers.Viewer; |
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import org.eclipse.jface.viewers.ViewerCell; |
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import org.eclipse.jface.viewers.ViewerFilter; |
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import org.eclipse.osgi.util.NLS; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.accessibility.ACC; |
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import org.eclipse.swt.accessibility.AccessibleAdapter; |
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import org.eclipse.swt.accessibility.AccessibleEvent; |
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import org.eclipse.swt.custom.CLabel; |
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import org.eclipse.swt.custom.ViewForm; |
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import org.eclipse.swt.events.KeyAdapter; |
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import org.eclipse.swt.events.KeyEvent; |
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import org.eclipse.swt.events.ModifyEvent; |
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import org.eclipse.swt.events.ModifyListener; |
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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.events.TraverseEvent; |
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import org.eclipse.swt.events.TraverseListener; |
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import org.eclipse.swt.graphics.Color; |
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import org.eclipse.swt.graphics.Font; |
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import org.eclipse.swt.graphics.GC; |
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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.graphics.Rectangle; |
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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.Composite; |
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import org.eclipse.swt.widgets.Control; |
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import org.eclipse.swt.widgets.Display; |
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import org.eclipse.swt.widgets.Event; |
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import org.eclipse.swt.widgets.Label; |
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import org.eclipse.swt.widgets.Menu; |
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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.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.ui.ActiveShellExpression; |
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import org.eclipse.ui.IMemento; |
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import org.eclipse.ui.IWorkbenchCommandConstants; |
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import org.eclipse.ui.IWorkbenchPreferenceConstants; |
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import org.eclipse.ui.PlatformUI; |
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import org.eclipse.ui.WorkbenchException; |
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import org.eclipse.ui.XMLMemento; |
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import org.eclipse.ui.dialogs.FilteredItemsSelectionDialog; |
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import org.eclipse.ui.dialogs.SearchPattern; |
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import org.eclipse.ui.dialogs.SelectionStatusDialog; |
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import org.eclipse.ui.handlers.IHandlerActivation; |
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import org.eclipse.ui.handlers.IHandlerService; |
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import org.eclipse.ui.internal.IWorkbenchGraphicConstants; |
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import org.eclipse.ui.internal.WorkbenchImages; |
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import org.eclipse.ui.internal.WorkbenchMessages; |
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import org.eclipse.ui.internal.WorkbenchPlugin; |
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import org.eclipse.ui.progress.UIJob; |
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import org.eclipse.ui.statushandlers.StatusManager; |
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/** |
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* @author k.luther |
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* @date 10.06.2016 |
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* |
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*/ |
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public abstract class CdmFilteredItemsSelectionDialog extends SelectionStatusDialog { |
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private static final String DIALOG_BOUNDS_SETTINGS = "DialogBoundsSettings"; //$NON-NLS-1$ |
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private static final String SHOW_STATUS_LINE = "ShowStatusLine"; //$NON-NLS-1$ |
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private static final String HISTORY_SETTINGS = "History"; //$NON-NLS-1$ |
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private static final String DIALOG_HEIGHT = "DIALOG_HEIGHT"; //$NON-NLS-1$ |
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private static final String DIALOG_WIDTH = "DIALOG_WIDTH"; //$NON-NLS-1$ |
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/** |
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* Represents an empty selection in the pattern input field (used only for |
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* initial pattern). |
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*/ |
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public static final int NONE = 0; |
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/** |
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* Pattern input field selection where caret is at the beginning (used only |
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* for initial pattern). |
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*/ |
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public static final int CARET_BEGINNING = 1; |
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/** |
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* Represents a full selection in the pattern input field (used only for |
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* initial pattern). |
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*/ |
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public static final int FULL_SELECTION = 2; |
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private Text pattern; |
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private TableViewer list; |
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private DetailsContentViewer details; |
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/** |
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* It is a duplicate of a field in the CLabel class in DetailsContentViewer. |
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* It is maintained, because the <code>setDetailsLabelProvider()</code> |
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* could be called before content area is created. |
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*/ |
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private ILabelProvider detailsLabelProvider; |
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private ItemsListLabelProvider itemsListLabelProvider; |
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private MenuManager menuManager; |
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private MenuManager contextMenuManager; |
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private final boolean multi; |
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private ToolBar toolBar; |
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private ToolItem toolItem; |
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private Label progressLabel; |
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private ToggleStatusLineAction toggleStatusLineAction; |
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private RemoveHistoryItemAction removeHistoryItemAction; |
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private ActionContributionItem removeHistoryActionContributionItem; |
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private IStatus status; |
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private final RefreshCacheJob refreshCacheJob; |
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private final RefreshProgressMessageJob refreshProgressMessageJob = new RefreshProgressMessageJob(); |
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private Object[] currentSelection; |
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private final ContentProvider contentProvider; |
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private final FilterHistoryJob filterHistoryJob; |
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private final FilterJob filterJob; |
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private ItemsFilter filter; |
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private List lastCompletedResult; |
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private ItemsFilter lastCompletedFilter; |
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private String initialPatternText; |
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private int selectionMode; |
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private ItemsListSeparator itemsListSeparator; |
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private static final String EMPTY_STRING = ""; //$NON-NLS-1$ |
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private boolean refreshWithLastSelection = false; |
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private IHandlerActivation showViewHandler; |
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/** |
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* Creates a new instance of the class. |
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* |
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* @param shell |
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* shell to parent the dialog on |
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* @param multi |
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* indicates whether dialog allows to select more than one |
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* position in its list of items |
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*/ |
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public CdmFilteredItemsSelectionDialog(Shell shell, boolean multi) { |
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super(shell); |
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this.multi = multi; |
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filterHistoryJob = new FilterHistoryJob(); |
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filterJob = new FilterJob(); |
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contentProvider = new ContentProvider(); |
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refreshCacheJob = new RefreshCacheJob(); |
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itemsListSeparator = new ItemsListSeparator( |
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WorkbenchMessages.FilteredItemsSelectionDialog_separatorLabel); |
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selectionMode = NONE; |
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} |
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/** |
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* Creates a new instance of the class. Created dialog won't allow to select |
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* more than one item. |
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* |
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* @param shell |
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* shell to parent the dialog on |
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*/ |
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public CdmFilteredItemsSelectionDialog(Shell shell) { |
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this(shell, false); |
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} |
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/** |
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* Adds viewer filter to the dialog items list. |
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* |
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* @param filter |
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* the new filter |
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*/ |
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protected void addListFilter(ViewerFilter filter) { |
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contentProvider.addFilter(filter); |
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} |
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/** |
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* Sets a new label provider for items in the list. If the label provider |
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* also implements {@link |
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* org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider |
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* .IStyledLabelProvider}, the style text labels provided by it will be used |
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* provided that the corresponding preference is set. |
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* |
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* @see IWorkbenchPreferenceConstants#USE_COLORED_LABELS |
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* |
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* @param listLabelProvider |
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* the label provider for items in the list |
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*/ |
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public void setListLabelProvider(ILabelProvider listLabelProvider) { |
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getItemsListLabelProvider().setProvider(listLabelProvider); |
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} |
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/** |
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* Returns the label decorator for selected items in the list. |
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* |
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* @return the label decorator for selected items in the list |
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*/ |
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private ILabelDecorator getListSelectionLabelDecorator() { |
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return getItemsListLabelProvider().getSelectionDecorator(); |
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} |
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/** |
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* Sets the label decorator for selected items in the list. |
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* |
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* @param listSelectionLabelDecorator |
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* the label decorator for selected items in the list |
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*/ |
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public void setListSelectionLabelDecorator( |
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ILabelDecorator listSelectionLabelDecorator) { |
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getItemsListLabelProvider().setSelectionDecorator( |
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listSelectionLabelDecorator); |
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} |
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/** |
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* Returns the item list label provider. |
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* |
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* @return the item list label provider |
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*/ |
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private ItemsListLabelProvider getItemsListLabelProvider() { |
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if (itemsListLabelProvider == null) { |
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itemsListLabelProvider = new ItemsListLabelProvider( |
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new LabelProvider(), null); |
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} |
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return itemsListLabelProvider; |
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} |
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/** |
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* Sets label provider for the details field. |
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* |
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* For a single selection, the element sent to |
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* {@link ILabelProvider#getImage(Object)} and |
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* {@link ILabelProvider#getText(Object)} is the selected object, for |
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* multiple selection a {@link String} with amount of selected items is the |
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* element. |
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* |
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* @see #getSelectedItems() getSelectedItems() can be used to retrieve |
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* selected items and get the items count. |
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* |
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* @param detailsLabelProvider |
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* the label provider for the details field |
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*/ |
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public void setDetailsLabelProvider(ILabelProvider detailsLabelProvider) { |
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this.detailsLabelProvider = detailsLabelProvider; |
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if (details != null) { |
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details.setLabelProvider(detailsLabelProvider); |
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} |
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} |
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private ILabelProvider getDetailsLabelProvider() { |
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if (detailsLabelProvider == null) { |
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detailsLabelProvider = new LabelProvider(); |
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} |
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return detailsLabelProvider; |
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} |
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/* |
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* (non-Javadoc) |
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* |
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* @see org.eclipse.jface.window.Window#create() |
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*/ |
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@Override |
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public void create() { |
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super.create(); |
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pattern.setFocus(); |
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} |
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/** |
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* Restores dialog using persisted settings. The default implementation |
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* restores the status of the details line and the selection history. |
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* |
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* @param settings |
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* settings used to restore dialog |
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*/ |
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protected void restoreDialog(IDialogSettings settings) { |
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boolean toggleStatusLine = true; |
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if (settings.get(SHOW_STATUS_LINE) != null) { |
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toggleStatusLine = settings.getBoolean(SHOW_STATUS_LINE); |
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} |
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toggleStatusLineAction.setChecked(toggleStatusLine); |
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details.setVisible(toggleStatusLine); |
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String setting = settings.get(HISTORY_SETTINGS); |
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if (setting != null) { |
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try { |
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IMemento memento = XMLMemento.createReadRoot(new StringReader( |
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setting)); |
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this.contentProvider.loadHistory(memento); |
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} catch (WorkbenchException e) { |
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// Simply don't restore the settings |
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StatusManager |
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.getManager() |
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.handle( |
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new Status( |
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IStatus.ERROR, |
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PlatformUI.PLUGIN_ID, |
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IStatus.ERROR, |
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WorkbenchMessages.FilteredItemsSelectionDialog_restoreError, |
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e)); |
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} |
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} |
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} |
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/* |
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* (non-Javadoc) |
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* |
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* @see org.eclipse.jface.window.Window#close() |
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*/ |
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@Override |
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public boolean close() { |
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this.filterJob.cancel(); |
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this.refreshCacheJob.cancel(); |
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this.refreshProgressMessageJob.cancel(); |
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if (showViewHandler != null) { |
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IHandlerService service = (IHandlerService) PlatformUI |
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.getWorkbench().getService(IHandlerService.class); |
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service.deactivateHandler(showViewHandler); |
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showViewHandler.getHandler().dispose(); |
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showViewHandler = null; |
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} |
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if (menuManager != null) { |
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menuManager.dispose(); |
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} |
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if (contextMenuManager != null) { |
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contextMenuManager.dispose(); |
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} |
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storeDialog(getDialogSettings()); |
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return super.close(); |
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} |
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/** |
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* Stores dialog settings. |
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* |
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* @param settings |
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* settings used to store dialog |
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*/ |
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protected void storeDialog(IDialogSettings settings) { |
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settings.put(SHOW_STATUS_LINE, toggleStatusLineAction.isChecked()); |
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XMLMemento memento = XMLMemento.createWriteRoot(HISTORY_SETTINGS); |
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this.contentProvider.saveHistory(memento); |
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StringWriter writer = new StringWriter(); |
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try { |
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memento.save(writer); |
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settings.put(HISTORY_SETTINGS, writer.getBuffer().toString()); |
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} catch (IOException e) { |
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// Simply don't store the settings |
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StatusManager |
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.getManager() |
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.handle( |
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new Status( |
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IStatus.ERROR, |
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PlatformUI.PLUGIN_ID, |
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IStatus.ERROR, |
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WorkbenchMessages.FilteredItemsSelectionDialog_storeError, |
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e)); |
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} |
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} |
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|
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/** |
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* Create a new header which is labelled by headerLabel. |
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* |
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* @param parent |
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* @return Label the label of the header |
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460 |
*/ |
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461 |
private Label createHeader(Composite parent) { |
|
462 |
Composite header = new Composite(parent, SWT.NONE); |
|
463 |
|
|
464 |
GridLayout layout = new GridLayout(); |
|
465 |
layout.numColumns = 2; |
|
466 |
layout.marginWidth = 0; |
|
467 |
layout.marginHeight = 0; |
|
468 |
header.setLayout(layout); |
|
469 |
|
|
470 |
Label headerLabel = new Label(header, SWT.NONE); |
|
471 |
headerLabel.setText((getMessage() != null && getMessage().trim() |
|
472 |
.length() > 0) ? getMessage() |
|
473 |
: WorkbenchMessages.FilteredItemsSelectionDialog_patternLabel); |
|
474 |
headerLabel.addTraverseListener(new TraverseListener() { |
|
475 |
@Override |
|
476 |
public void keyTraversed(TraverseEvent e) { |
|
477 |
if (e.detail == SWT.TRAVERSE_MNEMONIC && e.doit) { |
|
478 |
e.detail = SWT.TRAVERSE_NONE; |
|
479 |
pattern.setFocus(); |
|
480 |
} |
|
481 |
} |
|
482 |
}); |
|
483 |
|
|
484 |
GridData gd = new GridData(GridData.FILL_HORIZONTAL); |
|
485 |
headerLabel.setLayoutData(gd); |
|
486 |
|
|
487 |
createViewMenu(header); |
|
488 |
header.setLayoutData(gd); |
|
489 |
return headerLabel; |
|
490 |
} |
|
491 |
|
|
492 |
/** |
|
493 |
* Create the labels for the list and the progress. Return the list label. |
|
494 |
* |
|
495 |
* @param parent |
|
496 |
* @return Label |
|
497 |
*/ |
|
498 |
private Label createLabels(Composite parent) { |
|
499 |
Composite labels = new Composite(parent, SWT.NONE); |
|
500 |
|
|
501 |
GridLayout layout = new GridLayout(); |
|
502 |
layout.numColumns = 2; |
|
503 |
layout.marginWidth = 0; |
|
504 |
layout.marginHeight = 0; |
|
505 |
labels.setLayout(layout); |
|
506 |
|
|
507 |
Label listLabel = new Label(labels, SWT.NONE); |
|
508 |
listLabel |
|
509 |
.setText(WorkbenchMessages.FilteredItemsSelectionDialog_listLabel); |
|
510 |
|
|
511 |
listLabel.addTraverseListener(new TraverseListener() { |
|
512 |
@Override |
|
513 |
public void keyTraversed(TraverseEvent e) { |
|
514 |
if (e.detail == SWT.TRAVERSE_MNEMONIC && e.doit) { |
|
515 |
e.detail = SWT.TRAVERSE_NONE; |
|
516 |
list.getTable().setFocus(); |
|
517 |
} |
|
518 |
} |
|
519 |
}); |
|
520 |
|
|
521 |
GridData gd = new GridData(GridData.FILL_HORIZONTAL); |
|
522 |
listLabel.setLayoutData(gd); |
|
523 |
|
|
524 |
progressLabel = new Label(labels, SWT.RIGHT); |
|
525 |
progressLabel.setLayoutData(gd); |
|
526 |
|
|
527 |
labels.setLayoutData(gd); |
|
528 |
return listLabel; |
|
529 |
} |
|
530 |
|
|
531 |
private void createViewMenu(Composite parent) { |
|
532 |
toolBar = new ToolBar(parent, SWT.FLAT); |
|
533 |
toolItem = new ToolItem(toolBar, SWT.PUSH, 0); |
|
534 |
|
|
535 |
GridData data = new GridData(); |
|
536 |
data.horizontalAlignment = GridData.END; |
|
537 |
toolBar.setLayoutData(data); |
|
538 |
|
|
539 |
toolBar.addMouseListener(new MouseAdapter() { |
|
540 |
@Override |
|
541 |
public void mouseDown(MouseEvent e) { |
|
542 |
showViewMenu(); |
|
543 |
} |
|
544 |
}); |
|
545 |
|
|
546 |
toolItem.setImage(WorkbenchImages |
|
547 |
.getImage(IWorkbenchGraphicConstants.IMG_LCL_VIEW_MENU)); |
|
548 |
toolItem |
|
549 |
.setToolTipText(WorkbenchMessages.FilteredItemsSelectionDialog_menu); |
|
550 |
toolItem.addSelectionListener(new SelectionAdapter() { |
|
551 |
@Override |
|
552 |
public void widgetSelected(SelectionEvent e) { |
|
553 |
showViewMenu(); |
|
554 |
} |
|
555 |
}); |
|
556 |
|
|
557 |
menuManager = new MenuManager(); |
|
558 |
|
|
559 |
fillViewMenu(menuManager); |
|
560 |
|
|
561 |
IHandlerService service = (IHandlerService) PlatformUI.getWorkbench() |
|
562 |
.getService(IHandlerService.class); |
|
563 |
IHandler handler = new AbstractHandler() { |
|
564 |
@Override |
|
565 |
public Object execute(ExecutionEvent event) { |
|
566 |
showViewMenu(); |
|
567 |
return null; |
|
568 |
} |
|
569 |
}; |
|
570 |
showViewHandler = service.activateHandler( |
|
571 |
IWorkbenchCommandConstants.WINDOW_SHOW_VIEW_MENU, handler, |
|
572 |
new ActiveShellExpression(getShell())); |
|
573 |
} |
|
574 |
|
|
575 |
/** |
|
576 |
* Fills the menu of the dialog. |
|
577 |
* |
|
578 |
* @param menuManager |
|
579 |
* the menu manager |
|
580 |
*/ |
|
581 |
protected void fillViewMenu(IMenuManager menuManager) { |
|
582 |
toggleStatusLineAction = new ToggleStatusLineAction(); |
|
583 |
menuManager.add(toggleStatusLineAction); |
|
584 |
} |
|
585 |
|
|
586 |
private void showViewMenu() { |
|
587 |
Menu menu = menuManager.createContextMenu(getShell()); |
|
588 |
Rectangle bounds = toolItem.getBounds(); |
|
589 |
Point topLeft = new Point(bounds.x, bounds.y + bounds.height); |
|
590 |
topLeft = toolBar.toDisplay(topLeft); |
|
591 |
menu.setLocation(topLeft.x, topLeft.y); |
|
592 |
menu.setVisible(true); |
|
593 |
} |
|
594 |
|
|
595 |
/** |
|
596 |
* Hook that allows to add actions to the context menu. |
|
597 |
* <p> |
|
598 |
* Subclasses may extend in order to add other actions.</p> |
|
599 |
* |
|
600 |
* @param menuManager the context menu manager |
|
601 |
* @since 3.5 |
|
602 |
*/ |
|
603 |
protected void fillContextMenu(IMenuManager menuManager) { |
|
604 |
List selectedElements= ((StructuredSelection)list.getSelection()).toList(); |
|
605 |
|
|
606 |
Object item= null; |
|
607 |
|
|
608 |
for (Iterator it= selectedElements.iterator(); it.hasNext();) { |
|
609 |
item= it.next(); |
|
610 |
if (item instanceof ItemsListSeparator || !isHistoryElement(item)) { |
|
611 |
return; |
|
612 |
} |
|
613 |
} |
|
614 |
|
|
615 |
if (selectedElements.size() > 0) { |
|
616 |
removeHistoryItemAction.setText(WorkbenchMessages.FilteredItemsSelectionDialog_removeItemsFromHistoryAction); |
|
617 |
|
|
618 |
menuManager.add(removeHistoryActionContributionItem); |
|
619 |
|
|
620 |
} |
|
621 |
} |
|
622 |
|
|
623 |
private void createPopupMenu() { |
|
624 |
removeHistoryItemAction = new RemoveHistoryItemAction(); |
|
625 |
removeHistoryActionContributionItem = new ActionContributionItem( |
|
626 |
removeHistoryItemAction); |
|
627 |
|
|
628 |
contextMenuManager = new MenuManager(); |
|
629 |
contextMenuManager.setRemoveAllWhenShown(true); |
|
630 |
contextMenuManager.addMenuListener(new IMenuListener() { |
|
631 |
@Override |
|
632 |
public void menuAboutToShow(IMenuManager manager) { |
|
633 |
fillContextMenu(manager); |
|
634 |
} |
|
635 |
}); |
|
636 |
|
|
637 |
final Table table = list.getTable(); |
|
638 |
Menu menu= contextMenuManager.createContextMenu(table); |
|
639 |
table.setMenu(menu); |
|
640 |
} |
|
641 |
|
|
642 |
/** |
|
643 |
* Creates an extra content area, which will be located above the details. |
|
644 |
* |
|
645 |
* @param parent |
|
646 |
* parent to create the dialog widgets in |
|
647 |
* @return an extra content area |
|
648 |
*/ |
|
649 |
protected abstract Control createExtendedContentArea(Composite parent); |
|
650 |
|
|
651 |
/* |
|
652 |
* (non-Javadoc) |
|
653 |
* |
|
654 |
* @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite) |
|
655 |
*/ |
|
656 |
@Override |
|
657 |
protected Control createDialogArea(Composite parent) { |
|
658 |
Composite dialogArea = (Composite) super.createDialogArea(parent); |
|
659 |
|
|
660 |
Composite content = new Composite(dialogArea, SWT.NONE); |
|
661 |
GridData gd = new GridData(GridData.FILL_BOTH); |
|
662 |
content.setLayoutData(gd); |
|
663 |
|
|
664 |
GridLayout layout = new GridLayout(); |
|
665 |
layout.numColumns = 1; |
|
666 |
layout.marginWidth = 0; |
|
667 |
layout.marginHeight = 0; |
|
668 |
content.setLayout(layout); |
|
669 |
|
|
670 |
final Label headerLabel = createHeader(content); |
|
671 |
|
|
672 |
pattern = new Text(content, SWT.SINGLE | SWT.BORDER | SWT.SEARCH | SWT.ICON_CANCEL); |
|
673 |
pattern.getAccessible().addAccessibleListener(new AccessibleAdapter() { |
|
674 |
@Override |
|
675 |
public void getName(AccessibleEvent e) { |
|
676 |
e.result = LegacyActionTools.removeMnemonics(headerLabel |
|
677 |
.getText()); |
|
678 |
} |
|
679 |
}); |
|
680 |
gd = new GridData(GridData.FILL_HORIZONTAL); |
|
681 |
pattern.setLayoutData(gd); |
|
682 |
|
|
683 |
final Label listLabel = createLabels(content); |
|
684 |
|
|
685 |
list = new TableViewer(content, (multi ? SWT.MULTI : SWT.SINGLE) |
|
686 |
| SWT.BORDER | SWT.V_SCROLL | SWT.VIRTUAL); |
|
687 |
list.getTable().getAccessible().addAccessibleListener( |
|
688 |
new AccessibleAdapter() { |
|
689 |
@Override |
|
690 |
public void getName(AccessibleEvent e) { |
|
691 |
if (e.childID == ACC.CHILDID_SELF) { |
|
692 |
e.result = LegacyActionTools |
|
693 |
.removeMnemonics(listLabel.getText()); |
|
694 |
} |
|
695 |
} |
|
696 |
}); |
|
697 |
list.setContentProvider(contentProvider); |
|
698 |
list.setLabelProvider(getItemsListLabelProvider()); |
|
699 |
list.setInput(new Object[0]); |
|
700 |
list.setItemCount(contentProvider.getNumberOfElements()); |
|
701 |
gd = new GridData(GridData.FILL_BOTH); |
|
702 |
applyDialogFont(list.getTable()); |
|
703 |
gd.heightHint= list.getTable().getItemHeight() * 15; |
|
704 |
list.getTable().setLayoutData(gd); |
|
705 |
|
|
706 |
createPopupMenu(); |
|
707 |
|
|
708 |
pattern.addModifyListener(new ModifyListener() { |
|
709 |
@Override |
|
710 |
public void modifyText(ModifyEvent e) { |
|
711 |
applyFilter(); |
|
712 |
} |
|
713 |
}); |
|
714 |
|
|
715 |
pattern.addKeyListener(new KeyAdapter() { |
|
716 |
@Override |
|
717 |
public void keyPressed(KeyEvent e) { |
|
718 |
if (e.keyCode == SWT.ARROW_DOWN) { |
|
719 |
if (list.getTable().getItemCount() > 0) { |
|
720 |
list.getTable().setFocus(); |
|
721 |
} |
|
722 |
} |
|
723 |
} |
|
724 |
}); |
|
725 |
|
|
726 |
list.addSelectionChangedListener(new ISelectionChangedListener() { |
|
727 |
@Override |
|
728 |
public void selectionChanged(SelectionChangedEvent event) { |
|
729 |
StructuredSelection selection = (StructuredSelection) event |
|
730 |
.getSelection(); |
|
731 |
handleSelected(selection); |
|
732 |
} |
|
733 |
}); |
|
734 |
|
|
735 |
list.addDoubleClickListener(new IDoubleClickListener() { |
|
736 |
@Override |
|
737 |
public void doubleClick(DoubleClickEvent event) { |
|
738 |
handleDoubleClick(); |
|
739 |
} |
|
740 |
}); |
|
741 |
|
|
742 |
list.getTable().addKeyListener(new KeyAdapter() { |
|
743 |
@Override |
|
744 |
public void keyPressed(KeyEvent e) { |
|
745 |
|
|
746 |
if (e.keyCode == SWT.DEL) { |
|
747 |
|
|
748 |
List selectedElements = ((StructuredSelection) list |
|
749 |
.getSelection()).toList(); |
|
750 |
|
|
751 |
Object item = null; |
|
752 |
boolean isSelectedHistory = true; |
|
753 |
|
|
754 |
for (Iterator it = selectedElements.iterator(); it |
|
755 |
.hasNext();) { |
|
756 |
item = it.next(); |
|
757 |
if (item instanceof ItemsListSeparator |
|
758 |
|| !isHistoryElement(item)) { |
|
759 |
isSelectedHistory = false; |
|
760 |
break; |
|
761 |
} |
|
762 |
} |
|
763 |
if (isSelectedHistory) { |
|
764 |
removeSelectedItems(selectedElements); |
|
765 |
} |
|
766 |
|
|
767 |
} |
|
768 |
|
|
769 |
if (e.keyCode == SWT.ARROW_UP && (e.stateMask & SWT.SHIFT) != 0 |
|
770 |
&& (e.stateMask & SWT.CTRL) != 0) { |
|
771 |
StructuredSelection selection = (StructuredSelection) list |
|
772 |
.getSelection(); |
|
773 |
|
|
774 |
if (selection.size() == 1) { |
|
775 |
Object element = selection.getFirstElement(); |
|
776 |
if (element.equals(list.getElementAt(0))) { |
|
777 |
pattern.setFocus(); |
|
778 |
} |
|
779 |
if (list.getElementAt(list.getTable() |
|
780 |
.getSelectionIndex() - 1) instanceof ItemsListSeparator) { |
|
781 |
list.getTable().setSelection( |
|
782 |
list.getTable().getSelectionIndex() - 1); |
|
783 |
} |
|
784 |
list.getTable().notifyListeners(SWT.Selection, |
|
785 |
new Event()); |
|
786 |
|
|
787 |
} |
|
788 |
} |
|
789 |
|
|
790 |
if (e.keyCode == SWT.ARROW_DOWN |
|
791 |
&& (e.stateMask & SWT.SHIFT) != 0 |
|
792 |
&& (e.stateMask & SWT.CTRL) != 0) { |
|
793 |
|
|
794 |
if (list |
|
795 |
.getElementAt(list.getTable().getSelectionIndex() + 1) instanceof ItemsListSeparator) { |
|
796 |
list.getTable().setSelection( |
|
797 |
list.getTable().getSelectionIndex() + 1); |
|
798 |
} |
|
799 |
list.getTable().notifyListeners(SWT.Selection, new Event()); |
|
800 |
} |
|
801 |
|
|
802 |
} |
|
803 |
}); |
|
804 |
|
|
805 |
createExtendedContentArea(content); |
|
806 |
|
|
807 |
details = new DetailsContentViewer(content, SWT.BORDER | SWT.FLAT); |
|
808 |
details.setVisible(toggleStatusLineAction.isChecked()); |
|
809 |
details.setContentProvider(new NullContentProvider()); |
|
810 |
details.setLabelProvider(getDetailsLabelProvider()); |
|
811 |
|
|
812 |
applyDialogFont(content); |
|
813 |
|
|
814 |
restoreDialog(getDialogSettings()); |
|
815 |
|
|
816 |
if (initialPatternText != null) { |
|
817 |
pattern.setText(initialPatternText); |
|
818 |
} |
|
819 |
|
|
820 |
switch (selectionMode) { |
|
821 |
case CARET_BEGINNING: |
|
822 |
pattern.setSelection(0, 0); |
|
823 |
break; |
|
824 |
case FULL_SELECTION: |
|
825 |
pattern.setSelection(0, initialPatternText.length()); |
|
826 |
break; |
|
827 |
} |
|
828 |
|
|
829 |
// apply filter even if pattern is empty (display history) |
|
830 |
applyFilter(); |
|
831 |
|
|
832 |
return dialogArea; |
|
833 |
} |
|
834 |
|
|
835 |
/** |
|
836 |
* This method is a hook for subclasses to override default dialog behavior. |
|
837 |
* The <code>handleDoubleClick()</code> method handles double clicks on |
|
838 |
* the list of filtered elements. |
|
839 |
* <p> |
|
840 |
* Current implementation makes double-clicking on the list do the same as |
|
841 |
* pressing <code>OK</code> button on the dialog. |
|
842 |
*/ |
|
843 |
protected void handleDoubleClick() { |
|
844 |
okPressed(); |
|
845 |
} |
|
846 |
|
|
847 |
/** |
|
848 |
* Refreshes the details field according to the current selection in the |
|
849 |
* items list. |
|
850 |
*/ |
|
851 |
private void refreshDetails() { |
|
852 |
StructuredSelection selection = getSelectedItems(); |
|
853 |
|
|
854 |
switch (selection.size()) { |
|
855 |
case 0: |
|
856 |
details.setInput(null); |
|
857 |
break; |
|
858 |
case 1: |
|
859 |
details.setInput(selection.getFirstElement()); |
|
860 |
break; |
|
861 |
default: |
|
862 |
details |
|
863 |
.setInput(NLS |
|
864 |
.bind( |
|
865 |
WorkbenchMessages.FilteredItemsSelectionDialog_nItemsSelected, |
|
866 |
new Integer(selection.size()))); |
|
867 |
break; |
|
868 |
} |
|
869 |
|
|
870 |
} |
|
871 |
|
|
872 |
/** |
|
873 |
* Handle selection in the items list by updating labels of selected and |
|
874 |
* unselected items and refresh the details field using the selection. |
|
875 |
* |
|
876 |
* @param selection |
|
877 |
* the new selection |
|
878 |
*/ |
|
879 |
protected void handleSelected(StructuredSelection selection) { |
|
880 |
IStatus status = new Status(IStatus.OK, PlatformUI.PLUGIN_ID, |
|
881 |
IStatus.OK, EMPTY_STRING, null); |
|
882 |
|
|
883 |
Object[] lastSelection = currentSelection; |
|
884 |
|
|
885 |
currentSelection = selection.toArray(); |
|
886 |
|
|
887 |
if (selection.size() == 0) { |
|
888 |
status = new Status(IStatus.ERROR, PlatformUI.PLUGIN_ID, |
|
889 |
IStatus.ERROR, EMPTY_STRING, null); |
|
890 |
|
|
891 |
if (lastSelection != null |
|
892 |
&& getListSelectionLabelDecorator() != null) { |
|
893 |
list.update(lastSelection, null); |
|
894 |
} |
|
895 |
|
|
896 |
currentSelection = null; |
|
897 |
|
|
898 |
} else { |
|
899 |
status = new Status(IStatus.ERROR, PlatformUI.PLUGIN_ID, |
|
900 |
IStatus.ERROR, EMPTY_STRING, null); |
|
901 |
|
|
902 |
List items = selection.toList(); |
|
903 |
|
|
904 |
Object item = null; |
|
905 |
IStatus tempStatus = null; |
|
906 |
|
|
907 |
for (Iterator it = items.iterator(); it.hasNext();) { |
|
908 |
Object o = it.next(); |
|
909 |
|
|
910 |
if (o instanceof ItemsListSeparator) { |
|
911 |
continue; |
|
912 |
} |
|
913 |
|
|
914 |
item = o; |
|
915 |
tempStatus = validateItem(item); |
|
916 |
|
|
917 |
if (tempStatus.isOK()) { |
|
918 |
status = new Status(IStatus.OK, PlatformUI.PLUGIN_ID, |
|
919 |
IStatus.OK, EMPTY_STRING, null); |
|
920 |
} else { |
|
921 |
status = tempStatus; |
|
922 |
// if any selected element is not valid status is set to |
|
923 |
// ERROR |
|
924 |
break; |
|
925 |
} |
|
926 |
} |
|
927 |
|
|
928 |
if (lastSelection != null |
|
929 |
&& getListSelectionLabelDecorator() != null) { |
|
930 |
list.update(lastSelection, null); |
|
931 |
} |
|
932 |
|
|
933 |
if (getListSelectionLabelDecorator() != null) { |
|
934 |
list.update(currentSelection, null); |
|
935 |
} |
|
936 |
} |
|
937 |
|
|
938 |
refreshDetails(); |
|
939 |
updateStatus(status); |
|
940 |
} |
|
941 |
|
|
942 |
/* |
|
943 |
* (non-Javadoc) |
|
944 |
* |
|
945 |
* @see org.eclipse.jface.window.Dialog#getDialogBoundsSettings() |
|
946 |
*/ |
|
947 |
@Override |
|
948 |
protected IDialogSettings getDialogBoundsSettings() { |
|
949 |
IDialogSettings settings = getDialogSettings(); |
|
950 |
IDialogSettings section = settings.getSection(DIALOG_BOUNDS_SETTINGS); |
|
951 |
if (section == null) { |
|
952 |
section = settings.addNewSection(DIALOG_BOUNDS_SETTINGS); |
|
953 |
section.put(DIALOG_HEIGHT, 500); |
|
954 |
section.put(DIALOG_WIDTH, 600); |
|
955 |
} |
|
956 |
return section; |
|
957 |
} |
|
958 |
|
|
959 |
/** |
|
960 |
* Returns the dialog settings. Returned object can't be null. |
|
961 |
* |
|
962 |
* @return return dialog settings for this dialog |
|
963 |
*/ |
|
964 |
protected abstract IDialogSettings getDialogSettings(); |
|
965 |
|
|
966 |
/** |
|
967 |
* Refreshes the dialog - has to be called in UI thread. |
|
968 |
*/ |
|
969 |
public void refresh() { |
|
970 |
if (list != null && !list.getTable().isDisposed()) { |
|
971 |
|
|
972 |
List lastRefreshSelection = ((StructuredSelection) list |
|
973 |
.getSelection()).toList(); |
|
974 |
list.getTable().deselectAll(); |
|
975 |
|
|
976 |
list.setItemCount(contentProvider.getNumberOfElements()); |
|
977 |
list.refresh(); |
|
978 |
|
|
979 |
if (list.getTable().getItemCount() > 0) { |
|
980 |
// preserve previous selection |
|
981 |
if (refreshWithLastSelection && lastRefreshSelection != null |
|
982 |
&& lastRefreshSelection.size() > 0) { |
|
983 |
list.setSelection(new StructuredSelection( |
|
984 |
lastRefreshSelection)); |
|
985 |
} else { |
|
986 |
refreshWithLastSelection = true; |
|
987 |
list.getTable().setSelection(0); |
|
988 |
list.getTable().notifyListeners(SWT.Selection, new Event()); |
|
989 |
} |
|
990 |
} else { |
|
991 |
list.setSelection(StructuredSelection.EMPTY); |
|
992 |
} |
|
993 |
|
|
994 |
} |
|
995 |
|
|
996 |
scheduleProgressMessageRefresh(); |
|
997 |
} |
|
998 |
|
|
999 |
/** |
|
1000 |
* Updates the progress label. |
|
1001 |
* |
|
1002 |
* @deprecated |
|
1003 |
*/ |
|
1004 |
@Deprecated |
|
1005 |
public void updateProgressLabel() { |
|
1006 |
scheduleProgressMessageRefresh(); |
|
1007 |
} |
|
1008 |
|
|
1009 |
/** |
|
1010 |
* Notifies the content provider - fires filtering of content provider |
|
1011 |
* elements. During the filtering, a separator between history and workspace |
|
1012 |
* matches is added. |
|
1013 |
* <p> |
|
1014 |
* This is a long running operation and should be called in a job. |
|
1015 |
* |
|
1016 |
* @param checkDuplicates |
|
1017 |
* <code>true</code> if data concerning elements duplication |
|
1018 |
* should be computed - it takes much more time than the standard |
|
1019 |
* filtering |
|
1020 |
* @param monitor |
|
1021 |
* a progress monitor or <code>null</code> if no monitor is |
|
1022 |
* available |
|
1023 |
*/ |
|
1024 |
public void reloadCache(boolean checkDuplicates, IProgressMonitor monitor) { |
|
1025 |
if (list != null && !list.getTable().isDisposed() |
|
1026 |
&& contentProvider != null) { |
|
1027 |
contentProvider.reloadCache(checkDuplicates, monitor); |
|
1028 |
} |
|
1029 |
} |
|
1030 |
|
|
1031 |
/** |
|
1032 |
* Schedule refresh job. |
|
1033 |
*/ |
|
1034 |
public void scheduleRefresh() { |
|
1035 |
refreshCacheJob.cancelAll(); |
|
1036 |
refreshCacheJob.schedule(); |
|
1037 |
} |
|
1038 |
|
|
1039 |
/** |
|
1040 |
* Schedules progress message refresh. |
|
1041 |
*/ |
|
1042 |
public void scheduleProgressMessageRefresh() { |
|
1043 |
if (filterJob.getState() != Job.RUNNING |
|
1044 |
&& refreshProgressMessageJob.getState() != Job.RUNNING) { |
|
1045 |
refreshProgressMessageJob.scheduleProgressRefresh(null); |
|
1046 |
} |
|
1047 |
} |
|
1048 |
|
|
1049 |
/* |
|
1050 |
* (non-Javadoc) |
|
1051 |
* |
|
1052 |
* @see org.eclipse.ui.dialogs.SelectionStatusDialog#computeResult() |
|
1053 |
*/ |
|
1054 |
@Override |
|
1055 |
protected void computeResult() { |
|
1056 |
|
|
1057 |
List selectedElements = ((StructuredSelection) list.getSelection()) |
|
1058 |
.toList(); |
|
1059 |
|
|
1060 |
List objectsToReturn = new ArrayList(); |
|
1061 |
|
|
1062 |
Object item = null; |
|
1063 |
|
|
1064 |
for (Iterator it = selectedElements.iterator(); it.hasNext();) { |
|
1065 |
item = it.next(); |
|
1066 |
|
|
1067 |
if (!(item instanceof ItemsListSeparator)) { |
|
1068 |
accessedHistoryItem(item); |
|
1069 |
objectsToReturn.add(item); |
|
1070 |
} |
|
1071 |
} |
|
1072 |
|
|
1073 |
setResult(objectsToReturn); |
|
1074 |
} |
|
1075 |
|
|
1076 |
/* |
|
1077 |
* @see org.eclipse.ui.dialogs.SelectionStatusDialog#updateStatus(org.eclipse.core.runtime.IStatus) |
|
1078 |
*/ |
|
1079 |
@Override |
|
1080 |
protected void updateStatus(IStatus status) { |
|
1081 |
this.status = status; |
|
1082 |
super.updateStatus(status); |
|
1083 |
} |
|
1084 |
|
|
1085 |
/* |
|
1086 |
* @see Dialog#okPressed() |
|
1087 |
*/ |
|
1088 |
@Override |
|
1089 |
protected void okPressed() { |
|
1090 |
if (status != null |
|
1091 |
&& (status.isOK() || status.getCode() == IStatus.INFO)) { |
|
1092 |
super.okPressed(); |
|
1093 |
} |
|
1094 |
} |
|
1095 |
|
|
1096 |
/** |
|
1097 |
* Sets the initial pattern used by the filter. This text is copied into the |
|
1098 |
* selection input on the dialog. A full selection is used in the pattern |
|
1099 |
* input field. |
|
1100 |
* |
|
1101 |
* @param text |
|
1102 |
* initial pattern for the filter |
|
1103 |
* @see FilteredItemsSelectionDialog#FULL_SELECTION |
|
1104 |
*/ |
|
1105 |
public void setInitialPattern(String text) { |
|
1106 |
setInitialPattern(text, FULL_SELECTION); |
|
1107 |
} |
|
1108 |
|
|
1109 |
/** |
|
1110 |
* Sets the initial pattern used by the filter. This text is copied into the |
|
1111 |
* selection input on the dialog. The <code>selectionMode</code> is used |
|
1112 |
* to choose selection type for the input field. |
|
1113 |
* |
|
1114 |
* @param text |
|
1115 |
* initial pattern for the filter |
|
1116 |
* @param selectionMode |
|
1117 |
* one of: {@link FilteredItemsSelectionDialog#NONE}, |
|
1118 |
* {@link FilteredItemsSelectionDialog#CARET_BEGINNING}, |
|
1119 |
* {@link FilteredItemsSelectionDialog#FULL_SELECTION} |
|
1120 |
*/ |
|
1121 |
public void setInitialPattern(String text, int selectionMode) { |
|
1122 |
this.initialPatternText = text; |
|
1123 |
this.selectionMode = selectionMode; |
|
1124 |
} |
|
1125 |
|
|
1126 |
/** |
|
1127 |
* Gets initial pattern. |
|
1128 |
* |
|
1129 |
* @return initial pattern, or <code>null</code> if initial pattern is not |
|
1130 |
* set |
|
1131 |
*/ |
|
1132 |
protected String getInitialPattern() { |
|
1133 |
return this.initialPatternText; |
|
1134 |
} |
|
1135 |
|
|
1136 |
/** |
|
1137 |
* Returns the current selection. |
|
1138 |
* |
|
1139 |
* @return the current selection |
|
1140 |
*/ |
|
1141 |
protected StructuredSelection getSelectedItems() { |
|
1142 |
|
|
1143 |
StructuredSelection selection = (StructuredSelection) list |
|
1144 |
.getSelection(); |
|
1145 |
|
|
1146 |
List selectedItems = selection.toList(); |
|
1147 |
Object itemToRemove = null; |
|
1148 |
|
|
1149 |
for (Iterator it = selection.iterator(); it.hasNext();) { |
|
1150 |
Object item = it.next(); |
|
1151 |
if (item instanceof ItemsListSeparator) { |
|
1152 |
itemToRemove = item; |
|
1153 |
break; |
|
1154 |
} |
|
1155 |
} |
|
1156 |
|
|
1157 |
if (itemToRemove == null) { |
|
1158 |
return new StructuredSelection(selectedItems); |
|
1159 |
} |
|
1160 |
// Create a new selection without the collision |
|
1161 |
List newItems = new ArrayList(selectedItems); |
|
1162 |
newItems.remove(itemToRemove); |
|
1163 |
return new StructuredSelection(newItems); |
|
1164 |
|
|
1165 |
} |
|
1166 |
|
|
1167 |
/** |
|
1168 |
* Validates the item. When items on the items list are selected or |
|
1169 |
* deselected, it validates each item in the selection and the dialog status |
|
1170 |
* depends on all validations. |
|
1171 |
* |
|
1172 |
* @param item |
|
1173 |
* an item to be checked |
|
1174 |
* @return status of the dialog to be set |
|
1175 |
*/ |
|
1176 |
protected abstract IStatus validateItem(Object item); |
|
1177 |
|
|
1178 |
/** |
|
1179 |
* Creates an instance of a filter. |
|
1180 |
* |
|
1181 |
* @return a filter for items on the items list. Can be <code>null</code>, |
|
1182 |
* no filtering will be applied then, causing no item to be shown in |
|
1183 |
* the list. |
|
1184 |
*/ |
|
1185 |
protected abstract ItemsFilter createFilter(); |
|
1186 |
|
|
1187 |
/** |
|
1188 |
* Applies the filter created by <code>createFilter()</code> method to the |
|
1189 |
* items list. When new filter is different than previous one it will cause |
|
1190 |
* refiltering. |
|
1191 |
*/ |
|
1192 |
protected void applyFilter() { |
|
1193 |
|
|
1194 |
ItemsFilter newFilter = createFilter(); |
|
1195 |
|
|
1196 |
// don't apply filtering for patterns which mean the same, for example: |
|
1197 |
// *a**b and ***a*b |
|
1198 |
if (filter != null && filter.equalsFilter(newFilter)) { |
|
1199 |
return; |
|
1200 |
} |
|
1201 |
|
|
1202 |
filterHistoryJob.cancel(); |
|
1203 |
filterJob.cancel(); |
|
1204 |
|
|
1205 |
this.filter = newFilter; |
|
1206 |
|
|
1207 |
if (this.filter != null) { |
|
1208 |
filterHistoryJob.schedule(); |
|
1209 |
} |
|
1210 |
} |
|
1211 |
|
|
1212 |
/** |
|
1213 |
* Returns comparator to sort items inside content provider. Returned object |
|
1214 |
* will be probably created as an anonymous class. Parameters passed to the |
|
1215 |
* <code>compare(java.lang.Object, java.lang.Object)</code> are going to |
|
1216 |
* be the same type as the one used in the content provider. |
|
1217 |
* |
|
1218 |
* @return comparator to sort items content provider |
|
1219 |
*/ |
|
1220 |
protected abstract Comparator getItemsComparator(); |
|
1221 |
|
|
1222 |
/** |
|
1223 |
* Fills the content provider with matching items. |
|
1224 |
* |
|
1225 |
* @param contentProvider |
|
1226 |
* collector to add items to. |
|
1227 |
* {@link FilteredItemsSelectionDialog.AbstractContentProvider#add(Object, FilteredItemsSelectionDialog.ItemsFilter)} |
|
1228 |
* only adds items that pass the given <code>itemsFilter</code>. |
|
1229 |
* @param itemsFilter |
|
1230 |
* the items filter |
|
1231 |
* @param progressMonitor |
|
1232 |
* must be used to report search progress. The state of this |
|
1233 |
* progress monitor reflects the state of the filtering process. |
|
1234 |
* @throws CoreException |
|
1235 |
*/ |
|
1236 |
protected abstract void fillContentProvider( |
|
1237 |
AbstractContentProvider contentProvider, ItemsFilter itemsFilter, |
|
1238 |
IProgressMonitor progressMonitor) throws CoreException; |
|
1239 |
|
|
1240 |
/** |
|
1241 |
* Removes selected items from history. |
|
1242 |
* |
|
1243 |
* @param items |
|
1244 |
* items to be removed |
|
1245 |
*/ |
|
1246 |
private void removeSelectedItems(List items) { |
|
1247 |
for (Iterator iter = items.iterator(); iter.hasNext();) { |
|
1248 |
Object item = iter.next(); |
|
1249 |
removeHistoryItem(item); |
|
1250 |
} |
|
1251 |
refreshWithLastSelection = false; |
|
1252 |
contentProvider.refresh(); |
|
1253 |
} |
|
1254 |
|
|
1255 |
/** |
|
1256 |
* Removes an item from history. |
|
1257 |
* |
|
1258 |
* @param item |
|
1259 |
* an item to remove |
|
1260 |
* @return removed item |
|
1261 |
*/ |
|
1262 |
protected Object removeHistoryItem(Object item) { |
|
1263 |
return contentProvider.removeHistoryElement(item); |
|
1264 |
} |
|
1265 |
|
|
1266 |
/** |
|
1267 |
* Adds item to history. |
|
1268 |
* |
|
1269 |
* @param item |
|
1270 |
* the item to be added |
|
1271 |
*/ |
|
1272 |
protected void accessedHistoryItem(Object item) { |
|
1273 |
contentProvider.addHistoryElement(item); |
|
1274 |
} |
|
1275 |
|
|
1276 |
/** |
|
1277 |
* Returns a history comparator. |
|
1278 |
* |
|
1279 |
* @return decorated comparator |
|
1280 |
*/ |
|
1281 |
private Comparator getHistoryComparator() { |
|
1282 |
return new HistoryComparator(); |
|
1283 |
} |
|
1284 |
|
|
1285 |
/** |
|
1286 |
* Returns the history of selected elements. |
|
1287 |
* |
|
1288 |
* @return history of selected elements, or <code>null</code> if it is not |
|
1289 |
* set |
|
1290 |
*/ |
|
1291 |
protected SelectionHistory getSelectionHistory() { |
|
1292 |
return this.contentProvider.getSelectionHistory(); |
|
1293 |
} |
|
1294 |
|
|
1295 |
/** |
|
1296 |
* Sets new history. |
|
1297 |
* |
|
1298 |
* @param selectionHistory |
|
1299 |
* the history |
|
1300 |
*/ |
|
1301 |
protected void setSelectionHistory(SelectionHistory selectionHistory) { |
|
1302 |
if (this.contentProvider != null) { |
|
1303 |
this.contentProvider.setSelectionHistory(selectionHistory); |
|
1304 |
} |
|
1305 |
} |
|
1306 |
|
|
1307 |
/** |
|
1308 |
* Indicates whether the given item is a history item. |
|
1309 |
* |
|
1310 |
* @param item |
|
1311 |
* the item to be investigated |
|
1312 |
* @return <code>true</code> if the given item exists in history, |
|
1313 |
* <code>false</code> otherwise |
|
1314 |
*/ |
|
1315 |
public boolean isHistoryElement(Object item) { |
|
1316 |
return this.contentProvider.isHistoryElement(item); |
|
1317 |
} |
|
1318 |
|
|
1319 |
/** |
|
1320 |
* Indicates whether the given item is a duplicate. |
|
1321 |
* |
|
1322 |
* @param item |
|
1323 |
* the item to be investigated |
|
1324 |
* @return <code>true</code> if the item is duplicate, <code>false</code> |
|
1325 |
* otherwise |
|
1326 |
*/ |
|
1327 |
public boolean isDuplicateElement(Object item) { |
|
1328 |
return this.contentProvider.isDuplicateElement(item); |
|
1329 |
} |
|
1330 |
|
|
1331 |
/** |
|
1332 |
* Sets separator label |
|
1333 |
* |
|
1334 |
* @param separatorLabel |
|
1335 |
* the label showed on separator |
|
1336 |
*/ |
|
1337 |
public void setSeparatorLabel(String separatorLabel) { |
|
1338 |
this.itemsListSeparator = new ItemsListSeparator(separatorLabel); |
|
1339 |
} |
|
1340 |
|
|
1341 |
/** |
|
1342 |
* Returns name for then given object. |
|
1343 |
* |
|
1344 |
* @param item |
|
1345 |
* an object from the content provider. Subclasses should pay |
|
1346 |
* attention to the passed argument. They should either only pass |
|
1347 |
* objects of a known type (one used in content provider) or make |
|
1348 |
* sure that passed parameter is the expected one (by type |
|
1349 |
* checking like <code>instanceof</code> inside the method). |
|
1350 |
* @return name of the given item |
|
1351 |
*/ |
|
1352 |
public abstract String getElementName(Object item); |
|
1353 |
|
|
1354 |
private class ToggleStatusLineAction extends Action { |
|
1355 |
|
|
1356 |
/** |
|
1357 |
* Creates a new instance of the class. |
|
1358 |
*/ |
|
1359 |
public ToggleStatusLineAction() { |
|
1360 |
super( |
|
1361 |
WorkbenchMessages.FilteredItemsSelectionDialog_toggleStatusAction, |
|
1362 |
IAction.AS_CHECK_BOX); |
|
1363 |
} |
|
1364 |
|
|
1365 |
@Override |
|
1366 |
public void run() { |
|
1367 |
details.setVisible(isChecked()); |
|
1368 |
} |
|
1369 |
} |
|
1370 |
|
|
1371 |
/** |
|
1372 |
* Only refreshes UI on the basis of an already sorted and filtered set of |
|
1373 |
* items. |
|
1374 |
* <p> |
|
1375 |
* Standard invocation scenario: |
|
1376 |
* <ol> |
|
1377 |
* <li>filtering job (<code>FilterJob</code> class extending |
|
1378 |
* <code>Job</code> class)</li> |
|
1379 |
* <li>cache refresh without checking for duplicates (<code>RefreshCacheJob</code> |
|
1380 |
* class extending <code>Job</code> class)</li> |
|
1381 |
* <li>UI refresh (<code>RefreshJob</code> class extending |
|
1382 |
* <code>UIJob</code> class)</li> |
|
1383 |
* <li>cache refresh with checking for duplicates (<cod>CacheRefreshJob</code> |
|
1384 |
* class extending <code>Job</code> class)</li> |
|
1385 |
* <li>UI refresh (<code>RefreshJob</code> class extending <code>UIJob</code> |
|
1386 |
* class)</li> |
|
1387 |
* </ol> |
|
1388 |
* The scenario is rather complicated, but it had to be applied, because: |
|
1389 |
* <ul> |
|
1390 |
* <li> refreshing cache is rather a long action and cannot be run in the UI - |
|
1391 |
* cannot be run in a UIJob</li> |
|
1392 |
* <li> refreshing cache checking for duplicates is twice as long as |
|
1393 |
* refreshing cache without checking for duplicates; results of the search |
|
1394 |
* could be displayed earlier</li> |
|
1395 |
* <li> refreshing the UI have to be run in a UIJob</li> |
|
1396 |
* </ul> |
|
1397 |
* |
|
1398 |
* @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.FilterJob |
|
1399 |
* @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.RefreshJob |
|
1400 |
* @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.RefreshCacheJob |
|
1401 |
*/ |
|
1402 |
private class RefreshJob extends UIJob { |
|
1403 |
|
|
1404 |
/** |
|
1405 |
* Creates a new instance of the class. |
|
1406 |
*/ |
|
1407 |
public RefreshJob() { |
|
1408 |
super(CdmFilteredItemsSelectionDialog.this.getParentShell() |
|
1409 |
.getDisplay(), |
|
1410 |
WorkbenchMessages.FilteredItemsSelectionDialog_refreshJob); |
|
1411 |
setSystem(true); |
|
1412 |
} |
|
1413 |
|
|
1414 |
/* |
|
1415 |
* (non-Javadoc) |
|
1416 |
* |
|
1417 |
* @see org.eclipse.ui.progress.UIJob#runInUIThread(org.eclipse.core.runtime.IProgressMonitor) |
|
1418 |
*/ |
|
1419 |
@Override |
|
1420 |
public IStatus runInUIThread(IProgressMonitor monitor) { |
|
1421 |
if (monitor.isCanceled()) { |
|
1422 |
return new Status(IStatus.OK, WorkbenchPlugin.PI_WORKBENCH, |
|
1423 |
IStatus.OK, EMPTY_STRING, null); |
|
1424 |
} |
|
1425 |
|
|
1426 |
if (CdmFilteredItemsSelectionDialog.this != null) { |
|
1427 |
CdmFilteredItemsSelectionDialog.this.refresh(); |
|
1428 |
} |
|
1429 |
|
|
1430 |
return new Status(IStatus.OK, PlatformUI.PLUGIN_ID, IStatus.OK, |
|
1431 |
EMPTY_STRING, null); |
|
1432 |
} |
|
1433 |
|
|
1434 |
} |
|
1435 |
|
|
1436 |
/** |
|
1437 |
* Refreshes the progress message cyclically with 500 milliseconds delay. |
|
1438 |
* <code>RefreshProgressMessageJob</code> is strictly connected with |
|
1439 |
* <code>GranualProgressMonitor</code> and use it to to get progress |
|
1440 |
* message and to decide about break of cyclical refresh. |
|
1441 |
*/ |
|
1442 |
private class RefreshProgressMessageJob extends UIJob { |
|
1443 |
|
|
1444 |
private GranualProgressMonitor progressMonitor; |
|
1445 |
|
|
1446 |
/** |
|
1447 |
* Creates a new instance of the class. |
|
1448 |
*/ |
|
1449 |
public RefreshProgressMessageJob() { |
|
1450 |
super( |
|
1451 |
CdmFilteredItemsSelectionDialog.this.getParentShell() |
|
1452 |
.getDisplay(), |
|
1453 |
WorkbenchMessages.FilteredItemsSelectionDialog_progressRefreshJob); |
|
1454 |
setSystem(true); |
|
1455 |
} |
|
1456 |
|
|
1457 |
/* |
|
1458 |
* (non-Javadoc) |
|
1459 |
* |
|
1460 |
* @see org.eclipse.ui.progress.UIJob#runInUIThread(org.eclipse.core.runtime.IProgressMonitor) |
|
1461 |
*/ |
|
1462 |
@Override |
|
1463 |
public IStatus runInUIThread(IProgressMonitor monitor) { |
|
1464 |
|
|
1465 |
if (!progressLabel.isDisposed()) { |
|
1466 |
progressLabel.setText(progressMonitor != null ? progressMonitor |
|
1467 |
.getMessage() : EMPTY_STRING); |
|
1468 |
} |
|
1469 |
|
|
1470 |
if (progressMonitor == null || progressMonitor.isDone()) { |
|
1471 |
return new Status(IStatus.CANCEL, PlatformUI.PLUGIN_ID, |
|
1472 |
IStatus.CANCEL, EMPTY_STRING, null); |
|
1473 |
} |
|
1474 |
|
|
1475 |
// Schedule cyclical with 500 milliseconds delay |
|
1476 |
schedule(500); |
|
1477 |
|
|
1478 |
return new Status(IStatus.OK, PlatformUI.PLUGIN_ID, IStatus.OK, |
|
1479 |
EMPTY_STRING, null); |
|
1480 |
} |
|
1481 |
|
|
1482 |
/** |
|
1483 |
* Schedule progress refresh job. |
|
1484 |
* |
|
1485 |
* @param progressMonitor |
|
1486 |
* used during refresh progress label |
|
1487 |
*/ |
|
1488 |
public void scheduleProgressRefresh( |
|
1489 |
GranualProgressMonitor progressMonitor) { |
Also available in: Unified diff
add new class CdmFilteredSelectionDialog