Java tutorial
/******************************************************************************* * Copyright (c) 2004, 2010 BREDEX GmbH. * 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: * BREDEX GmbH - initial API and implementation and/or initial documentation *******************************************************************************/ package org.eclipse.jubula.client.ui.rcp.search; import org.apache.commons.lang.ArrayUtils; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.viewers.ColumnLabelProvider; import org.eclipse.jface.viewers.ColumnViewerToolTipSupport; import org.eclipse.jface.viewers.DecoratingLabelProvider; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ViewerComparator; import org.eclipse.jubula.client.core.events.DataEventDispatcher; import org.eclipse.jubula.client.core.events.DataEventDispatcher.IProjectLoadedListener; import org.eclipse.jubula.client.core.persistence.GeneralStorage; import org.eclipse.jubula.client.ui.constants.ContextHelpIds; import org.eclipse.jubula.client.ui.filter.JBPatternFilter; import org.eclipse.jubula.client.ui.rcp.Plugin; import org.eclipse.jubula.client.ui.rcp.filter.JBFilteredTree; import org.eclipse.jubula.client.ui.rcp.i18n.Messages; import org.eclipse.jubula.client.ui.rcp.provider.contentprovider.AbstractTreeViewContentProvider; import org.eclipse.jubula.client.ui.rcp.search.result.BasicSearchResult; import org.eclipse.jubula.client.ui.rcp.search.result.BasicSearchResult.SearchResultElement; import org.eclipse.jubula.client.ui.utils.LayoutUtil; import org.eclipse.jubula.tools.internal.constants.StringConstants; import org.eclipse.osgi.util.NLS; import org.eclipse.search.ui.ISearchQuery; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Menu; import org.eclipse.ui.dialogs.FilteredTree; /** * @author BREDEX GmbH * @created 07.12.2005 */ public class SearchResultPage extends AbstractSearchResultPage implements IProjectLoadedListener { /** double click listener */ private DoubleClickListener m_doubleClickListener = new DoubleClickListener(); /** * <code>m_control</code> */ private Control m_control; /** {@inheritDoc} */ public void createControl(Composite parent) { Composite topLevelComposite = new Composite(parent, SWT.NONE); setControl(topLevelComposite); GridLayout layout = new GridLayout(); layout.numColumns = 1; layout.verticalSpacing = 2; layout.marginWidth = LayoutUtil.MARGIN_WIDTH; layout.marginHeight = LayoutUtil.MARGIN_HEIGHT; topLevelComposite.setLayout(layout); GridData layoutData = new GridData(GridData.FILL_BOTH); layoutData.grabExcessHorizontalSpace = true; topLevelComposite.setLayoutData(layoutData); final FilteredTree ft = new JBFilteredTree(topLevelComposite, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER, new JBPatternFilter(), true); setTreeViewer(ft.getViewer()); ColumnViewerToolTipSupport.enableFor(getTreeViewer()); getTreeViewer().addDoubleClickListener(m_doubleClickListener); getTreeViewer().setContentProvider(new SearchResultContentProvider()); getTreeViewer().setLabelProvider(new DecoratingLabelProvider(new LabelProvider(), Plugin.getDefault().getWorkbench().getDecoratorManager().getLabelDecorator())); getTreeViewer().setComparator(new ViewerComparator()); getSite().setSelectionProvider(getTreeViewer()); DataEventDispatcher.getInstance().addProjectLoadedListener(this, true); Plugin.getHelpSystem().setHelp(parent, ContextHelpIds.JB_SEARCH_RESULT_VIEW); // Create menu manager and menu MenuManager menuMgr = new MenuManager(); Menu menu = menuMgr.createContextMenu(getTreeViewer().getControl()); getTreeViewer().getControl().setMenu(menu); // Register menu for extension. getSite().registerContextMenu(getID(), menuMgr, getTreeViewer()); } /** * The label provider of the table. * * @author BREDEX GmbH * @created 07.12.2005 */ private static class LabelProvider extends ColumnLabelProvider { /** * {@inheritDoc} */ public String getText(Object element) { if (element instanceof SearchResultElement) { return ((SearchResultElement) element).getName(); } return super.getText(element); } /** * {@inheritDoc} */ public Image getImage(Object element) { if (element instanceof SearchResultElement) { SearchResultElement elem = (SearchResultElement) element; return elem.getImage(); } return super.getImage(element); } /** * {@inheritDoc} */ public String getToolTipText(Object element) { if (element instanceof SearchResultElement) { SearchResultElement sr = (SearchResultElement) element; String comment = sr.getComment(); if (comment != null) { return comment; } } return super.getToolTipText(element); } } /** {@inheritDoc} */ public void setFocus() { getTreeViewer().getControl().setFocus(); } /** * The content provider of the table. */ private static class SearchResultContentProvider extends AbstractTreeViewContentProvider { /** {@inheritDoc} */ public Object[] getChildren(Object parentElement) { if (parentElement instanceof BasicSearchResult) { BasicSearchResult sr = (BasicSearchResult) parentElement; return sr.getResultList().toArray(); } return ArrayUtils.EMPTY_OBJECT_ARRAY; } } /** * DoubleClickListener for the TableViewer * * @author BREDEX GmbH * @created 07.12.2005 */ private static class DoubleClickListener implements IDoubleClickListener { /** {@inheritDoc} */ public void doubleClick(DoubleClickEvent event) { if (!(event.getSelection() instanceof IStructuredSelection)) { return; } @SuppressWarnings("unchecked") SearchResultElement<Long> element = (SearchResultElement<Long>) ((IStructuredSelection) event .getSelection()).getFirstElement(); if (element != null) { element.jumpToResult(); } } } /** {@inheritDoc} */ public void dispose() { getSite().setSelectionProvider(null); getTreeViewer().removeDoubleClickListener(m_doubleClickListener); DataEventDispatcher.getInstance().removeProjectLoadedListener(this); super.dispose(); } /** {@inheritDoc} */ public String getLabel() { int resultSize = 0; String queryLabel = StringConstants.EMPTY; Object viewerInput = getTreeViewer().getInput(); if (viewerInput != null) { BasicSearchResult sr = (BasicSearchResult) viewerInput; resultSize = sr.getResultList().size(); ISearchQuery query = sr.getQuery(); if (query != null) { queryLabel = query.getLabel(); } } return NLS.bind(Messages.SearchResultPageResultPageLabel, resultSize, queryLabel); } /** * @param control * the control to set */ private void setControl(Control control) { m_control = control; } /** * @return the control */ public Control getControl() { return m_control; } /** * {@inheritDoc} */ public void handleProjectLoaded() { if (GeneralStorage.getInstance().getProject() == null) { Plugin.getDisplay().syncExec(new Runnable() { public void run() { getTreeViewer().setInput(null); } }); } } /** * @param selection * the selection to set */ public void setSelection(ISelection selection) { getTreeViewer().setSelection(selection, true); } }