Java tutorial
/* * SearchResultView.java * * Copyright (c) 2012, Sascha Vogt. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Sascha Vogt <sascha@vogt-neuenbuerg.de> - initial implementation */ package de.maybebuggy.finder.views; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.ColumnLabelProvider; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerSorter; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.ui.IActionBars; import org.eclipse.ui.ISharedImages; import org.eclipse.ui.IWorkbenchActionConstants; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.part.ViewPart; import de.maybebuggy.finder.Activator; import de.maybebuggy.finder.FinderResult; import de.maybebuggy.finder.ResultItem; public class SearchResultView extends ViewPart { /** * The ID of the view as specified by the extension. */ public static final String ID = "de.maybebuggy.finder.views.SearchResultView"; private static final Image CLASS = Activator.getImageDescriptor("icons/classes.gif").createImage(); private static final Image FILE = Activator.getImageDescriptor("icons/file_obj.gif").createImage(); private TableViewer viewer; private Action clearSearch; private Action editHistory; private Action openDirectory; private FinderResult result = new FinderResult(); class ViewContentProvider implements IStructuredContentProvider { public void inputChanged(Viewer v, Object oldInput, Object newInput) { } public void dispose() { } public Object[] getElements(Object parent) { if (result == null) return null; else return result.getResultList().toArray(); } } class ViewLabelProvider extends ColumnLabelProvider { int col; public ViewLabelProvider(int col) { this.col = col; } @Override public String getText(Object obj) { switch (col) { case 0: return ((ResultItem) obj).getName(); case 1: return ((ResultItem) obj).getPath(); default: return "Unknown column"; } } @Override public Image getImage(Object element) { ResultItem item = (ResultItem) element; if (col == 0) { if (item.getName().endsWith(".class")) return CLASS; else return FILE; } else return super.getImage(element); } } class NameSorter extends ViewerSorter { } public void createPartControl(Composite parent) { viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL); createTableViewerColumn("Name", 300, 0); createTableViewerColumn("Path", 600, 1); viewer.setContentProvider(new ViewContentProvider()); viewer.setInput(result); viewer.setSorter(new NameSorter()); final Table table = viewer.getTable(); table.setHeaderVisible(true); table.setLinesVisible(true); // Create the help context id for the viewer's control PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), "de.maybebuggy.finder.viewer"); makeActions(); hookContextMenu(); hookDoubleClickAction(); contributeToActionBars(); } private TableViewerColumn createTableViewerColumn(String title, int width, final int colNumber) { final TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE); final TableColumn column = viewerColumn.getColumn(); column.setText(title); column.setWidth(width); column.setResizable(true); column.setMoveable(false); viewerColumn.setLabelProvider(new ViewLabelProvider(colNumber)); return viewerColumn; } private void hookContextMenu() { MenuManager menuMgr = new MenuManager("#PopupMenu"); menuMgr.setRemoveAllWhenShown(true); menuMgr.addMenuListener(new IMenuListener() { public void menuAboutToShow(IMenuManager manager) { SearchResultView.this.fillContextMenu(manager); } }); Menu menu = menuMgr.createContextMenu(viewer.getControl()); viewer.getControl().setMenu(menu); getSite().registerContextMenu(menuMgr, viewer); } private void contributeToActionBars() { IActionBars bars = getViewSite().getActionBars(); fillLocalPullDown(bars.getMenuManager()); fillLocalToolBar(bars.getToolBarManager()); } private void fillLocalPullDown(IMenuManager manager) { manager.add(clearSearch); manager.add(new Separator()); manager.add(editHistory); } private void fillContextMenu(IMenuManager manager) { manager.add(clearSearch); manager.add(editHistory); // Other plug-ins can contribute there actions here manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); } private void fillLocalToolBar(IToolBarManager manager) { manager.add(clearSearch); } private void makeActions() { clearSearch = new Action() { public void run() { setResult(new FinderResult()); } }; clearSearch.setText("Clear Search"); clearSearch.setToolTipText("Clear Search"); clearSearch.setImageDescriptor( PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_ELCL_REMOVE)); editHistory = new Action() { public void run() { showConfirm("Edit history"); } }; editHistory.setText("Edit history"); editHistory.setToolTipText("Edit history"); openDirectory = new Action() { public void run() { ISelection selection = viewer.getSelection(); Object obj = ((IStructuredSelection) selection).getFirstElement(); if (showConfirm("Do you want to open " + ((ResultItem) obj).getPath())) { //TODO } } }; } private void hookDoubleClickAction() { viewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { openDirectory.run(); } }); } private boolean showConfirm(String message) { return MessageDialog.openConfirm(viewer.getControl().getShell(), "Claas and File Finder View", message); } /** * Passing the focus request to the viewer's control. */ public void setFocus() { viewer.getControl().setFocus(); } public void setResult(FinderResult result) { this.result = result; viewer.setInput(result); } }