package net.sourceforge.phpeclipse.phpmanual.views; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.net.URL; import java.util.ArrayList; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; import net.sourceforge.phpdt.internal.ui.text.JavaWordFinder; import net.sourceforge.phpdt.internal.ui.viewsupport.ISelectionListenerWithAST; import net.sourceforge.phpdt.internal.ui.viewsupport.SelectionListenerWithASTManager; import net.sourceforge.phpdt.phphelp.PHPHelpPlugin; import net.sourceforge.phpeclipse.PHPeclipsePlugin; import net.sourceforge.phpeclipse.phpeditor.PHPEditor; import net.sourceforge.phpeclipse.phpmanual.PHPManualUIPlugin; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Platform; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.text.IDocument; import org.eclipse.jface.text.IRegion; import org.eclipse.jface.text.ITextSelection; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.browser.Browser; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Menu; import org.eclipse.ui.IEditorPart; import org.eclipse.ui.ISharedImages; import org.eclipse.ui.IWorkbenchActionConstants; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.part.ViewPart; import org.htmlparser.Node; import org.htmlparser.Parser; import org.htmlparser.tags.Div; import org.htmlparser.util.ParserException; import org.htmlparser.visitors.TagFindingVisitor; import org.osgi.framework.Bundle; /** * This sample class demonstrates how to plug-in a new * workbench view. The view shows data obtained from the * model. The sample creates a dummy model on the fly, * but a real implementation would connect to the model * available either in this or another plug-in (e.g. the workspace). * The view is connected to the model using a content provider. *

* The view uses a label provider to define how model * objects should be presented in the view. Each * view can present the same model objects using * different labels and icons, if needed. Alternatively, * a single label provider can be shared between views * in order to ensure that objects of the same type are * presented in the same way everywhere. *

*/ public class PHPManualView extends ViewPart implements ISelectionListenerWithAST { private Browser browser; private Action action1; private Action action2; private PHPEditor phpEditor; private final Path docPath = new Path("doc.zip"); /** * The constructor. */ public PHPManualView() { } /** * This is a callback that will allow us * to create the viewer and initialize it. */ public void createPartControl(Composite parent) { browser = new Browser(parent, SWT.NONE); parent.pack(); phpEditor = getJavaEditor(); makeActions(); hookContextMenu(); SelectionListenerWithASTManager.getDefault().addListener(phpEditor, this); if (phpEditor.getSelectionProvider() != null) { ISelection its = phpEditor.getSelectionProvider().getSelection(); SelectionListenerWithASTManager.getDefault().forceSelectionChange( phpEditor, (ITextSelection) its); } } /* (non-Javadoc) * @see net.sourceforge.phpdt.internal.ui.viewsupport.ISelectionListenerWithAST#selectionChanged() */ public void selectionChanged(IEditorPart part, ITextSelection selection) { if (getJavaEditor() != null) { phpEditor = getJavaEditor(); } IDocument document = phpEditor.getViewer().getDocument(); int offset = selection.getOffset(); IRegion iRegion = JavaWordFinder.findWord(document, offset); try { final String wordStr = document.get(iRegion.getOffset(), iRegion.getLength()); showReference(wordStr); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } private void showReference(final String occurrence) { System.out.println("Show reference for " + occurrence); new Thread(new Runnable() { public void run() { Display.getDefault().asyncExec(new Runnable() { public void run() { String html = getHtmlSource(occurrence); browser.setText(html); } }); } }).start(); } private void hookContextMenu() { MenuManager menuMgr = new MenuManager("#PopupMenu"); menuMgr.setRemoveAllWhenShown(true); menuMgr.addMenuListener(new IMenuListener() { public void menuAboutToShow(IMenuManager manager) { PHPManualView.this.fillContextMenu(manager); } }); // Menu menu = menuMgr.createContextMenu(viewer.getControl()); // viewer.getControl().setMenu(menu); // getSite().registerContextMenu(menuMgr, viewer); } private void fillContextMenu(IMenuManager manager) { manager.add(action1); manager.add(action2); // Other plug-ins can contribute there actions here manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); } private void makeActions() { action1 = new Action() { public void run() { showMessage("Action 1 executed"); } }; action1.setText("Action 1"); action1.setToolTipText("Action 1 tooltip"); action1.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages(). getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK)); action2 = new Action() { public void run() { showMessage("Action 2 executed"); } }; action2.setText("Action 2"); action2.setToolTipText("Action 2 tooltip"); action2.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages(). getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK)); } private void showMessage(String message) { // MessageDialog.openInformation( // viewer.getControl().getShell(), // "%phpManualView", // message); } /** * Looks for the function's reference page inside the doc.zip file and * returns a filtered HTML source of it * @param funcName Function name * @return HTML source of reference page */ private String filterHtmlSource(String source) { try { Parser parser = new Parser(source); String [] tagsToBeFound = {"DIV"}; ArrayList classList = new ArrayList(6); classList.add("refnamediv"); classList.add("refsect1 description"); classList.add("refsect1 parameters"); classList.add("refsect1 returnvalues"); classList.add("refsect1 examples"); classList.add("refsect1 seealso"); classList.add("refsect1 u"); TagFindingVisitor visitor = new TagFindingVisitor(tagsToBeFound); parser.visitAllNodesWith(visitor); Node [] allPTags = visitor.getTags(0); StringBuilder output = new StringBuilder(); for (int i = 0; i < allPTags.length; i++) { String tagClass = ((Div)allPTags[i]).getAttribute("class"); if (classList.contains(tagClass)) { output.append(allPTags[i].toHtml()); } } return output.toString().replace("—", "-"); //.replace("

Description

", " "); } catch (ParserException e) { // TODO Auto-generated catch block e.printStackTrace(); } return ""; } /** * Looks for the function's reference page inside the doc.zip file and * returns a filtered HTML source of it * @param funcName Function name * @return HTML source of reference page */ public String getRefPageTemplate() { Bundle bundle = Platform.getBundle(PHPManualUIPlugin.PLUGIN_ID); URL fileURL = Platform.find(bundle, new Path("templates")); StringBuffer contents = new StringBuffer(); BufferedReader input = null; try { URL resolve = Platform.resolve(fileURL); input = new BufferedReader(new FileReader(resolve.getPath()+"/refpage.html")); String line = null; while ((line = input.readLine()) != null){ contents.append(line); } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { try { if (input!= null) { input.close(); } } catch (IOException ex) { ex.printStackTrace(); } } return contents.toString(); } /** * Looks for the function's reference page inside the doc.zip file and * returns a filtered HTML source of it * @param funcName Function name * @return HTML source of reference page */ public String getHtmlSource(String funcName) { Bundle bundle = Platform.getBundle(PHPHelpPlugin.PLUGIN_ID); URL fileURL = Platform.find(bundle, docPath); byte[] b = null; try { URL resolve = Platform.resolve(fileURL); ZipFile docFile = new ZipFile(resolve.getPath()); ZipEntry entry = docFile.getEntry("doc/function."+funcName.replace('_', '-')+".html"); InputStream ref = docFile.getInputStream(entry); b = new byte[(int)entry.getSize()]; ref.read(b, 0, (int)entry.getSize()); } catch (IOException e) { return ""; } if (b != null) { String reference = filterHtmlSource(new String(b)); String refPageTpl = getRefPageTemplate(); refPageTpl = refPageTpl.replace("{title}", funcName); refPageTpl = refPageTpl.replace("{reference}", reference); return refPageTpl; } return ""; } /** * Passing the focus request to the viewer's control. */ public void setFocus() { // viewer.getControl().setFocus(); } /** * Returns the currently active java editor, or null if it * cannot be determined. * * @return the currently active java editor, or null */ private PHPEditor getJavaEditor() { try { IEditorPart part = PHPeclipsePlugin.getActivePage().getActiveEditor(); if (part instanceof PHPEditor) return (PHPEditor) part; else return null; } catch (Exception e) { e.printStackTrace(); return null; } } }