Java tutorial
/* * ----------------------------------------------------------------------- * File: $HeadURL: http://keith-laptop/svn/krs/LanguageTest/trunk/org.thanlwinsoft.languagetest/src/org/thanlwinsoft/languagetest/eclipse/search/LanguageTestItemSearch.java $ * Revision $LastChangedRevision: 1388 $ * Last Modified: $LastChangedDate: 2009-01-31 19:32:00 +0700 (Sat, 31 Jan 2009) $ * Last Change by: $LastChangedBy: keith $ * ----------------------------------------------------------------------- * Copyright (C) 2007 Keith Stribley <devel@thanlwinsoft.org> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301 USA * ----------------------------------------------------------------------- */ package org.thanlwinsoft.languagetest.eclipse.search; import java.io.IOException; import java.util.HashMap; import java.util.HashSet; import java.util.regex.Pattern; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IStatus; import org.eclipse.jface.dialogs.DialogPage; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.operation.IRunnableContext; import org.eclipse.search.core.text.TextSearchScope; import org.eclipse.search.ui.ISearchPage; import org.eclipse.search.ui.ISearchPageContainer; import org.eclipse.search.ui.NewSearchUI; import org.eclipse.search.ui.text.FileTextSearchScope; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.FontData; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.RowLayout; 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.Shell; import org.thanlwinsoft.languagetest.MessageUtil; import org.thanlwinsoft.languagetest.eclipse.LanguageTestPlugin; import org.thanlwinsoft.languagetest.eclipse.views.TagFilterComposite; import org.thanlwinsoft.languagetest.eclipse.workspace.WorkspaceLanguageManager; import org.thanlwinsoft.languagetest.language.test.TestItemFilter; import org.thanlwinsoft.languagetest.language.test.UniversalLanguage; import org.thanlwinsoft.languagetest.language.test.meta.MetaFilter; import org.thanlwinsoft.schemas.languagetest.module.LangType; import org.eclipse.swt.widgets.Text; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.List; import org.eclipse.swt.widgets.Button; /** * @author keith * */ public class LanguageTestItemSearch extends DialogPage implements ISearchPage { private Group mainGroup; private Label searchLabel = null; private Text searchText = null; private Group langGroup = null; private List langList = null; private String[] langCodes = null; private HashMap<String, FontData> fontMap = null; private ISearchPageContainer container = null; private Composite optionsComposite = null; private Group optionsGroup = null; private Group filterGroup = null; private Button caseCheckBox = null; private Button anyButton; private Button allButton; private Button chooseFilter; private IPath[] tags; private Label filtersLabel; private final static String LAST_SEARCH = "Search.Last"; public LanguageTestItemSearch() { } /* (non-Javadoc) * @see org.eclipse.search.ui.ISearchPage#performAction() */ public boolean performAction() { int[] langSelection = langList.getSelectionIndices(); HashSet<String> langSet = new HashSet<String>(langSelection.length); for (int i = 0; i < langSelection.length; i++) { langSet.add(langCodes[langSelection[i]]); } // we only have one type of filter at the moment TestItemFilter[] filters; if (tags != null && tags.length > 0) { filters = new TestItemFilter[1]; if (allButton.getSelection()) filters[0] = new MetaFilter(tags, MetaFilter.Mode.ALL); else filters[0] = new MetaFilter(tags, MetaFilter.Mode.ANY); } else { filters = new TestItemFilter[0]; } TestItemSearchEngine engine = new TestItemSearchEngine(langSet, filters); if (searchText.getText().length() > 0 || filters.length > 0) { TextSearchScope scope = FileTextSearchScope.newWorkspaceScope(new String[] { "*.xml" }, false); int patternOptions = 0; Pattern searchPattern = null; if (caseCheckBox.getSelection() == false) { patternOptions |= Pattern.CASE_INSENSITIVE; patternOptions |= Pattern.UNICODE_CASE; searchPattern = Pattern.compile(searchText.getText(), patternOptions); } else { searchPattern = Pattern.compile(searchText.getText()); } LanguageTestPlugin.getPrefStore().setValue(LAST_SEARCH, searchText.getText()); try { LanguageTestPlugin.getPrefStore().save(); } catch (IOException e) { LanguageTestPlugin.log(IStatus.ERROR, e.getLocalizedMessage(), e); } //IJobManager jobMan = Platform.getJobManager(); //IProgressMonitor monitor = jobMan.createProgressGroup(); final TestItemQuery query = new TestItemQuery(engine, scope, searchPattern, langCodes); //NewSearchUI searchUI = new NewSearchUI(); container = null; if (container == null) { NewSearchUI.runQueryInBackground(query); return true; } final IRunnableContext context = container.getRunnableContext(); IStatus status = NewSearchUI.runQueryInForeground(context, query); if (!status.isOK()) { MessageDialog.openError(getShell(), MessageUtil.getString("SearchError"), status.getMessage()); return false; } return true; } return false; } /* (non-Javadoc) * @see org.eclipse.search.ui.ISearchPage#setContainer(org.eclipse.search.ui.ISearchPageContainer) */ public void setContainer(ISearchPageContainer container) { this.container = container; // ISelection s = container.getSelection(); // if (s instanceof IStructuredSelection) // { // IStructuredSelection ss = (IStructuredSelection)s; // System.out.println(ss.getFirstElement()); // } } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite) */ public void createControl(Composite parent) { mainGroup = new Group(parent, SWT.SHADOW_ETCHED_IN); searchLabel = new Label(mainGroup, SWT.NONE); searchLabel.setText(MessageUtil.getString("SearchLabel")); searchText = new Text(mainGroup, SWT.BORDER); searchText.setToolTipText(MessageUtil.getString("SearchTextToolTip")); searchText.setText(LanguageTestPlugin.getPrefStore().getString(LAST_SEARCH)); RowLayout layout = new RowLayout(); layout.fill = true; layout.justify = true; layout.type = SWT.VERTICAL; mainGroup.setLayout(layout); createOptionsComposite(); this.setControl(mainGroup); searchText.setFocus(); } /** * Create the Filter Group with options for the tag filter. */ private void createFilterComposite() { filterGroup = new Group(optionsComposite, SWT.SHADOW_ETCHED_IN); filterGroup.setText(MessageUtil.getString("TagFilter")); RowLayout layout = new RowLayout(); layout.fill = true; layout.justify = true; layout.type = SWT.VERTICAL; filterGroup.setLayout(layout); anyButton = new Button(filterGroup, SWT.RADIO); anyButton.setSelection(true);// default to any allButton = new Button(filterGroup, SWT.RADIO); filtersLabel = new Label(filterGroup, SWT.LEAD); filtersLabel.setText(MessageUtil.getString("NoTagsSelected")); filtersLabel.setToolTipText(MessageUtil.getString("NoTagsSelected")); anyButton.setText(MessageUtil.getString("AnyTags")); anyButton.setToolTipText(MessageUtil.getString("AnyTagsTooltip")); allButton.setText(MessageUtil.getString("AllTags")); allButton.setToolTipText(MessageUtil.getString("AllTagsTooltip")); chooseFilter = new Button(filterGroup, SWT.PUSH); chooseFilter.setText(MessageUtil.getString("ChooseButton")); chooseFilter.setToolTipText(MessageUtil.getString("ChooseFilterButton")); chooseFilter.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(SelectionEvent e) { } public void widgetSelected(SelectionEvent e) { chooseTags(); } }); } protected void chooseTags() { TagFilterDialog mb = new TagFilterDialog(filterGroup.getShell(), MessageUtil.getString("SearchTagFilterTitle"), null, MessageUtil.getString("SearchTagFilterTitle"), MessageDialog.NONE, new String[] { MessageUtil.getString("OK"), MessageUtil.getString("Cancel") }, 0); int result = mb.open(); if (result == 0) { TagFilterComposite tfc = mb.getTagFilterComposite(); if (tfc != null) { tags = tfc.getCheckedTagPaths(); StringBuilder tagList = new StringBuilder(); final String eol = System.getProperty("line.separator"); switch (tags.length) { case 0: filtersLabel.setText(MessageUtil.getString("NoTagsSelected")); filtersLabel.setToolTipText(MessageUtil.getString("NoTagsSelected")); break; case 1: filtersLabel.setText(tags[0].toPortableString()); filtersLabel.setToolTipText(tags[0].toPortableString()); break; default: tagList.append(MessageUtil.getString("TagsSelected", Integer.toString(tags.length))); tagList.append(eol); for (IPath p : tags) { tagList.append(p.toPortableString()); tagList.append(eol); } filtersLabel.setText(tagList.toString()); filtersLabel.setToolTipText(tagList.toString()); } } } } /** * This method initializes langGroup * */ private void createLangGroup() { langGroup = new Group(optionsComposite, SWT.NONE); GridData gridData = new GridData(SWT.FILL); //gridData.verticalSpan = 2; langGroup.setLayoutData(gridData); GridLayout layout = new GridLayout(); layout.numColumns = 1; langGroup.setLayout(layout); //langLabel = new Label(langGroup, SWT.NONE); langGroup.setText(MessageUtil.getString("SearchLangLabel")); langList = new List(langGroup, SWT.MULTI); LangType[] langs = WorkspaceLanguageManager.findUserLanguages(); langCodes = new String[langs.length]; fontMap = new HashMap<String, FontData>(); for (int i = 0; i < langs.length; i++) { UniversalLanguage ul = new UniversalLanguage(langs[i].getLang()); langList.add(ul.getDescription()); langCodes[i] = ul.getCode(); FontData fd = new FontData(langs[i].getFont(), langs[i].getFontSize().intValue(), SWT.NORMAL); fontMap.put(ul.getCode(), fd); } langList.selectAll(); langList.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { int s = langList.getSelectionIndex(); if (s > -1 && s < langCodes.length) { FontData fd = (FontData) fontMap.get(langCodes[s]); Font font = LanguageTestPlugin.getFont(fd); searchText.setFont(font); mainGroup.pack(); } } }); langList.setToolTipText(MessageUtil.getString("LangFontToolTip")); } /** * This method initializes optionsComposite * */ private void createOptionsComposite() { optionsComposite = new Composite(mainGroup, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 3; optionsComposite.setLayout(layout); createLangGroup(); createOptionsGroup(); createFilterComposite(); } /** * This method initializes optionsGroup * */ private void createOptionsGroup() { optionsGroup = new Group(optionsComposite, SWT.NONE); optionsGroup.setLayoutData(new GridData(GridData.FILL_VERTICAL)); optionsGroup.setLayout(new GridLayout()); optionsGroup.setText(MessageUtil.getString("SearchOptions")); caseCheckBox = new Button(optionsGroup, SWT.CHECK); caseCheckBox.setText(MessageUtil.getString("CaseSensitive")); } class TagFilterDialog extends MessageDialog { private TagFilterComposite tfc = null; /** * @param parentShell * @param dialogTitle * @param dialogTitleImage * @param dialogMessage * @param dialogImageType * @param dialogButtonLabels * @param defaultIndex */ public TagFilterDialog(Shell parentShell, String dialogTitle, Image dialogTitleImage, String dialogMessage, int dialogImageType, String[] dialogButtonLabels, int defaultIndex) { super(parentShell, dialogTitle, dialogTitleImage, dialogMessage, dialogImageType, dialogButtonLabels, defaultIndex); } protected Control createDialogArea(Composite parent) { Composite composite = (Composite) super.createDialogArea(parent); tfc = new TagFilterComposite(composite, SWT.H_SCROLL | SWT.V_SCROLL); if (tags != null) tfc.setSelectedTags(tags); return composite; } TagFilterComposite getTagFilterComposite() { return tfc; } } }