X-Git-Url: http://secure.phpeclipse.com diff --git a/net.sourceforge.phpeclipse.phpmanual/src/net/sourceforge/phpeclipse/phpmanual/views/PHPManualView.java b/net.sourceforge.phpeclipse.phpmanual/src/net/sourceforge/phpeclipse/phpmanual/views/PHPManualView.java index fe2cace..2d637c7 100644 --- a/net.sourceforge.phpeclipse.phpmanual/src/net/sourceforge/phpeclipse/phpmanual/views/PHPManualView.java +++ b/net.sourceforge.phpeclipse.phpmanual/src/net/sourceforge/phpeclipse/phpmanual/views/PHPManualView.java @@ -1,6 +1,5 @@ package net.sourceforge.phpeclipse.phpmanual.views; - import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; @@ -19,33 +18,22 @@ import net.sourceforge.phpeclipse.PHPeclipsePlugin; import net.sourceforge.phpeclipse.phpeditor.PHPEditor; import net.sourceforge.phpeclipse.phpmanual.PHPManualUIPlugin; +import org.eclipse.core.runtime.FileLocator; 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.browser.Browser; +import org.eclipse.swt.browser.LocationAdapter; +import org.eclipse.swt.browser.LocationEvent; 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.INullSelectionListener; +import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.part.ViewPart; import org.htmlparser.Node; import org.htmlparser.Parser; @@ -55,28 +43,45 @@ 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. + * This ViewPart is the implementation of the idea of having the + * PHP Manual easily accessible while coding. It shows the + * under-cursor function's reference inside a browser. *

- * 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. + * The view listens to selection changes both in the (1)workbench, to + * know when the user changes between the instances of the PHPEditor + * or when a new instance is created; and in the (2)PHPEditor, to know + * when the user changes the cursor position. This explains the need + * to implement both ISelectionListener and ISelectionListenerWithAST. *

+ * Up to now, the ViewPart show reference pages from HTML stored in the + * doc.zip file from the net.sourceforge.phpeclipse.phphelp plugin. It + * also depends on net.sourceforge.phpeclipse.phpmanual.htmlparser to + * parse these HTML files. + *

+ * @author scorphus */ +public class PHPManualView extends ViewPart implements INullSelectionListener, ISelectionListenerWithAST { -public class PHPManualView extends ViewPart implements ISelectionListenerWithAST { + /** + * The ViewPart's browser + */ private Browser browser; - private Action action1; - private Action action2; - private PHPEditor phpEditor; + + /** + * A reference to store last active editor to know when we've + * got a new instance of the PHPEditor + */ + private PHPEditor lastEditor; + + /** + * String that stores the last selected word + */ + private String lastOccurrence = null; + + /** + * The path to the doc.zip file containing the PHP Manual + * in HTML format + */ private final Path docPath = new Path("doc.zip"); /** @@ -86,117 +91,246 @@ public class PHPManualView extends ViewPart implements ISelectionListenerWithAST } /** - * This is a callback that will allow us - * to create the viewer and initialize it. + * This method initializes the ViewPart. It instantiates components + * and add listeners + * + * @param parent The parent control */ public void createPartControl(Composite parent) { browser = new Browser(parent, SWT.NONE); + browser.addLocationListener(new LocationAdapter(){ + public void changing(LocationEvent event) { + String loc = event.location.toString(); + if(!loc.equalsIgnoreCase("about:blank") && !loc.startsWith("jar:")){ + String func = loc.replaceAll("file:///", ""); + func = func.replaceAll("#.+$", ""); + String[] afunc = loc.split("\\."); + if(!afunc[1].equalsIgnoreCase(lastOccurrence)) { + lastOccurrence = afunc[1]; + showLinkReference(func); + } + } else if (loc.startsWith("jar:")) { + // TODO find a better way of not showing the location error page. This is a cheap trick + // to keep the page from showing. + // ed_mann + browser.setText(""); + } + event.doit = false; + } + }); 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); + if ((lastEditor = getJavaEditor()) != null) { + SelectionListenerWithASTManager.getDefault().addListener(lastEditor, this); } + getSite().getWorkbenchWindow().getSelectionService() + .addPostSelectionListener(PHPeclipsePlugin.EDITOR_ID, this); } - /* (non-Javadoc) - * @see net.sourceforge.phpdt.internal.ui.viewsupport.ISelectionListenerWithAST#selectionChanged() + /** + * Cleanup to remove the selection listener + */ + public void dispose() { + getSite().getWorkbenchWindow().getSelectionService() + .removePostSelectionListener(PHPeclipsePlugin.EDITOR_ID, this); + } + + /** + * Passing the focus request to the viewer's control. + */ + public void setFocus() { + browser.setFocus(); + } + + /** + * Treats selection changes from the PHPEditor */ public void selectionChanged(IEditorPart part, ITextSelection selection) { - if (getJavaEditor() != null) { - phpEditor = getJavaEditor(); - } - IDocument document = phpEditor.getViewer().getDocument(); + IDocument document = ((PHPEditor)part).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(); + if (document != null && iRegion != null) { + try { + final String wordStr = document.get(iRegion.getOffset(), + iRegion.getLength()); + if (!wordStr.equalsIgnoreCase(lastOccurrence)) { + showReference(wordStr); + lastOccurrence = wordStr; + } + } catch (Exception e) { + e.printStackTrace(); + } } } - private void showReference(final String occurrence) { - System.out.println("Show reference for " + occurrence); + /** + * Treats selection changes from the workbench. When part is new + * instance of PHPEditor it gets a listener attached + */ + public void selectionChanged(IWorkbenchPart part, ISelection selection) { + if (part != null && !((PHPEditor)part).equals(lastEditor)) { + SelectionListenerWithASTManager.getDefault().addListener((PHPEditor)part, this); + lastEditor = (PHPEditor)part; + } else { + System.out.println(part); + } + } + + /** + * Updates the browser with the reference page for a given function + * + * @param funcName Function name + */ + private void showReference(final String funcName) { new Thread(new Runnable() { public void run() { Display.getDefault().asyncExec(new Runnable() { public void run() { - String html = getHtmlSource(occurrence); + String html = getHtmlSource(funcName); 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); + + /** + * Updates the browser with the reference page for a given function + * + * @param funcName Function name + */ + private void showLinkReference(final String funcName) { + new Thread(new Runnable() { + public void run() { + Display.getDefault().asyncExec(new Runnable() { + public void run() { + String html = getLinkHtmlSource(funcName); + browser.setText(html); + } + }); } - }); -// 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)); + }).start(); } - private void makeActions() { - action1 = new Action() { - public void run() { - showMessage("Action 1 executed"); + /** + * Filters the function's reference page extracting only parts of it + * + * @param source HTML source of the reference page + * @return HTML source of reference page + */ + private String filterIniHtmlSource(String source) { + try { + Parser parser = new Parser(source); + String [] tagsToBeFound = {"DIV"}; + ArrayList classList = new ArrayList(8); + classList.add("section"); + classList.add("title"); + 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); + StringBuffer output = new StringBuffer(); + for (int i = 0; i < allPTags.length; i++) { + String tagClass = ((Div)allPTags[i]).getAttribute("class"); + if (classList.contains(tagClass)) { + output.append(allPTags[i].toHtml()); + } } - }; - 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"); + return output.toString().replaceAll("—", "-"); + //.replace("

Description

", " "); + } catch (ParserException e) { + e.printStackTrace(); + } + return ""; + } + + /** + * Filters the function's reference page extracting only parts of it + * + * @param source HTML source of the reference page + * @return HTML source of reference page + */ + private String filterLangHtmlSource(String source) { + try { + Parser parser = new Parser(source); + String [] tagsToBeFound = {"DIV"}; + ArrayList classList = new ArrayList(8); + classList.add("sect1"); + classList.add("title"); + 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); + StringBuffer output = new StringBuffer(); + for (int i = 0; i < allPTags.length; i++) { + String tagClass = ((Div)allPTags[i]).getAttribute("class"); + if (classList.contains(tagClass)) { + output.append(allPTags[i].toHtml()); + } } - }; - action2.setText("Action 2"); - action2.setToolTipText("Action 2 tooltip"); - action2.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages(). - getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK)); + return output.toString().replaceAll("—", "-"); + //.replace("

Description

", " "); + } catch (ParserException e) { + e.printStackTrace(); + } + return ""; } - - private void showMessage(String message) { -// MessageDialog.openInformation( -// viewer.getControl().getShell(), -// "%phpManualView", -// message); + + /** + * Filters the function's reference page extracting only parts of it + * + * @param source HTML source of the reference page + * @return HTML source of reference page + */ + private String filterRefHtmlSource(String source) { + try { + Parser parser = new Parser(source); + String [] tagsToBeFound = {"DIV"}; + ArrayList classList = new ArrayList(8); + classList.add("partintro"); + classList.add("section"); + classList.add("title"); + 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); + StringBuffer output = new StringBuffer(); + 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().replaceAll("—", "-"); + //.replace("

Description

", " "); + } catch (ParserException e) { + 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 + * Filters the function's reference page extracting only parts of it + * + * @param source HTML source of the reference page * @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); + ArrayList classList = new ArrayList(8); classList.add("refnamediv"); classList.add("refsect1 description"); classList.add("refsect1 parameters"); @@ -207,35 +341,33 @@ public class PHPManualView extends ViewPart implements ISelectionListenerWithAST TagFindingVisitor visitor = new TagFindingVisitor(tagsToBeFound); parser.visitAllNodesWith(visitor); Node [] allPTags = visitor.getTags(0); - StringBuilder output = new StringBuilder(); + StringBuffer output = new StringBuffer(); 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("—", "-"); + return output.toString().replaceAll("—", "-"); //.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 + * Reads the template that defines the style of the reference page + * shown inside the view's browser + * + * @return HTML source of the template */ public String getRefPageTemplate() { Bundle bundle = Platform.getBundle(PHPManualUIPlugin.PLUGIN_ID); - URL fileURL = Platform.find(bundle, new Path("templates")); + URL fileURL = FileLocator.find(bundle, new Path("templates"), null); StringBuffer contents = new StringBuffer(); BufferedReader input = null; try { - URL resolve = Platform.resolve(fileURL); + URL resolve = FileLocator.resolve(fileURL); input = new BufferedReader(new FileReader(resolve.getPath()+"/refpage.html")); String line = null; while ((line = input.readLine()) != null){ @@ -261,42 +393,116 @@ public class PHPManualView extends ViewPart implements ISelectionListenerWithAST } /** + * Replaces each substring of source string that matches the + * given pattern string with the given replace string + * + * @param source The source string + * @param pattern The pattern string + * @param replace The replace string + * @return The resulting String + */ + public static String replace(String source, String pattern, String replace) { + if (source != null) { + final int len = pattern.length(); + StringBuffer sb = new StringBuffer(); + int found = -1; + int start = 0; + while ((found = source.indexOf(pattern, start)) != -1) { + sb.append(source.substring(start, found)); + sb.append(replace); + start = found + len; + } + sb.append(source.substring(start)); + return sb.toString(); + } else { + 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 + * returns a filtered HTML source of it embedded in the template + * + * @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); + URL fileURL = FileLocator.find(bundle, docPath, null); + ZipEntry entry; byte[] b = null; try { - URL resolve = Platform.resolve(fileURL); + URL resolve = FileLocator.resolve(fileURL); ZipFile docFile = new ZipFile(resolve.getPath()); - ZipEntry entry = docFile.getEntry("doc/function."+funcName.replace('_', '-')+".html"); + entry = docFile.getEntry("doc/function."+funcName.replace('_', '-')+".html"); + if(entry == null){ + entry = docFile.getEntry("doc/ini."+funcName.replace('_', '-')+".html"); + } InputStream ref = docFile.getInputStream(entry); b = new byte[(int)entry.getSize()]; ref.read(b, 0, (int)entry.getSize()); + if (b != null) { + String reference = filterHtmlSource(new String(b)); + String refPageTpl = getRefPageTemplate(); + refPageTpl = refPageTpl.replaceAll("%title%", funcName); + refPageTpl = replace(refPageTpl, "%reference%", reference); + return refPageTpl; + } } 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; + } catch (Exception e) { + return null; } return ""; } /** - * Passing the focus request to the viewer's control. + * Looks for the function's reference page inside the doc.zip file and + * returns a filtered HTML source of it embedded in the template + * + * @param funcName + * Function name + * @return HTML source of reference page */ - public void setFocus() { -// viewer.getControl().setFocus(); + public String getLinkHtmlSource(String funcName) { + Bundle bundle = Platform.getBundle(PHPHelpPlugin.PLUGIN_ID); + URL fileURL = FileLocator.find(bundle, docPath, null); + ZipEntry entry; + byte[] b = null; + try { + URL resolve = FileLocator.resolve(fileURL); + ZipFile docFile = new ZipFile(resolve.getPath()); + entry = docFile.getEntry("doc/"+funcName); + InputStream ref = docFile.getInputStream(entry); + b = new byte[(int)entry.getSize()]; + ref.read(b, 0, (int)entry.getSize()); + if (b != null) { + String reference = null; + String aFuncName = funcName.toString(); + if(aFuncName.startsWith("function")){ + reference = filterHtmlSource(new String(b)); + } else if (aFuncName.startsWith("ini")){ + reference = filterIniHtmlSource(new String(b)); + } else if (aFuncName.startsWith("install")){ + reference = filterIniHtmlSource(new String(b)); + } else if (aFuncName.startsWith("language")){ + reference = filterLangHtmlSource(new String(b)); + } else if (aFuncName.startsWith("ref")){ + reference = filterRefHtmlSource(new String(b)); + } + String refPageTpl = getRefPageTemplate(); + refPageTpl = refPageTpl.replaceAll("%title%", funcName); + refPageTpl = replace(refPageTpl, "%reference%", reference); + return refPageTpl; + } + } catch (IOException e) { + return ""; + } catch (Exception e) { + return null; + } + return ""; } - /** * Returns the currently active java editor, or null if it * cannot be determined. @@ -311,7 +517,6 @@ public class PHPManualView extends ViewPart implements ISelectionListenerWithAST else return null; } catch (Exception e) { - e.printStackTrace(); return null; } }