* 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() {
}
/**
* Initializes the view
*/
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();
}
}
/**
* Updates the browser with the reference page for a given function
*
* @param funcName Function name
*/
private void showReference(final String funcName) {
System.out.println("Show reference for " + funcName);
new Thread(new Runnable() {
public void run() {
Display.getDefault().asyncExec(new Runnable() {
public void run() {
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);
}
});
// 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);
}
/**
* 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"};
ArrayListDescription
", " ");
} catch (ParserException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return "";
}
/**
* Reads the template that defines the style of the reference page
* shown inside the view's browser
*
* @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 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);
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;
}
}
}