net.sourceforge.phpeclipse.phphelp/src/net/sourceforge/phpdt/httpquery/AbstractHTTPQueryAction.java

   1 package net.sourceforge.phpdt.httpquery;
   2
   3 import net.sourceforge.phpdt.httpquery.config.Configuration;
   4 import net.sourceforge.phpeclipse.webbrowser.views.BrowserView;
   5
   6 import org.eclipse.jface.action.IAction;
   7 import org.eclipse.jface.text.BadLocationException;
   8 import org.eclipse.jface.text.IDocument;
   9 import org.eclipse.jface.text.ITextSelection;
  10 import org.eclipse.jface.viewers.ISelection;
  11 import org.eclipse.ui.IEditorActionDelegate;
  12 import org.eclipse.ui.IEditorPart;
  13 import org.eclipse.ui.IViewPart;
  14 import org.eclipse.ui.IWorkbenchPage;
  15 import org.eclipse.ui.IWorkbenchWindow;
  16 import org.eclipse.ui.PlatformUI;
  17 import org.eclipse.ui.texteditor.AbstractTextEditor;
  18
  19 public abstract class AbstractHTTPQueryAction implements IEditorActionDelegate {
  20
  21         private AbstractTextEditor editor;
  22
  23         public AbstractHTTPQueryAction() {
  24                 super();
  25         }
  26
  27         abstract protected Configuration getConfiguration(String name);
  28
  29         public void setActiveEditor(IAction action, IEditorPart targetEditor) {
  30                 if (targetEditor != null && (targetEditor instanceof AbstractTextEditor)) {
  31                         editor = (AbstractTextEditor) targetEditor;
  32                 }
  33         }
  34
  35         public void run(IAction action) {
  36                 IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  37                 if (editor == null) {
  38                         IEditorPart targetEditor = window.getActivePage().getActiveEditor();
  39                         if (targetEditor != null && (targetEditor instanceof AbstractTextEditor)) {
  40                                 editor = (AbstractTextEditor) targetEditor;
  41                         }
  42                 }
  43
  44                 if (window != null) {
  45                         IWorkbenchPage page = window.getActivePage();
  46                         try {
  47                                 IViewPart part = page.findView(BrowserView.ID_BROWSER);
  48                                 if (part == null) {
  49                                         part = page.showView(BrowserView.ID_BROWSER);
  50                                 } else {
  51                                         page.bringToTop(part);
  52                                 }
  53                                 Configuration config = getConfiguration(null);
  54                                 String templateString = generateUrl(config, config.getURL());
  55                                 if (templateString != null && !templateString.equals("")) {
  56                                         ((BrowserView) part).setUrl(templateString);
  57                                 } else {
  58                                         ((BrowserView) part).setUrl(config.getURL());
  59                                 }
  60                         } catch (Exception e) {
  61                         }
  62                 }
  63         }
  64
  65         public void selectionChanged(IAction action, ISelection selection) {
  66         }
  67
  68         public IDocument getDocument() {
  69                 IDocument doc = editor.getDocumentProvider().getDocument(editor.getEditorInput());
  70                 return doc;
  71         }
  72
  73         public static String getSelectedText(AbstractTextEditor editor, IDocument document, int initialPos) {
  74                 try {
  75                         int pos = initialPos;
  76                         int line = document.getLineOfOffset(pos);
  77                         int start = document.getLineOffset(line);
  78                         int end = start + document.getLineInformation(line).getLength();
  79
  80                         /*
  81                          * The line does not include \n or \r so pos can be > end. Making pos =
  82                          * end in this case is safe for the purposes of determining the TextRegion
  83                          * at the cursor position
  84                          */
  85                         if (pos > end) {
  86                                 pos = end;
  87                         }
  88
  89                         int offsetInLine = pos - start;
  90                         String word = document.get(start, end - start);
  91                         int wordlen = word.length();
  92                         int textStart = -1;
  93                         int textEnd = -1;
  94
  95                         for (int i = offsetInLine; i < wordlen; i++) {
  96                                 if (!Character.isJavaIdentifierPart(word.charAt(i))) {
  97                                         textEnd = i;
  98                                         break;
  99                                 }
 100                         }
 101                         for (int i = offsetInLine; i >= 0; i--) {
 102                                 if (!Character.isJavaIdentifierPart(word.charAt(i))) {
 103                                         textStart = i + 1;
 104                                         break;
 105                                 }
 106                         }
 107                         if (textStart != (-1) && textEnd != (-1) && textStart < textEnd) {
 108                                 return new String(word.toCharArray(), textStart, textEnd - textStart);
 109                         }
 110                 } catch (Exception e) {
 111
 112                 }
 113                 return null;
 114         }
 115
 116         public String generateUrl(Configuration config, String template) {
 117                 IDocument doc = getDocument();
 118                 ITextSelection selection = (ITextSelection) editor.getSelectionProvider().getSelection();
 119                 int pos = selection.getOffset();
 120                 int len = selection.getLength();
 121                 String wikiTitle;
 122                 if (len > 0) {
 123                         try {
 124                                 wikiTitle = doc.get(pos, len);
 125                         } catch (BadLocationException e) {
 126                                 wikiTitle = null;
 127                         }
 128                 } else {
 129                         wikiTitle = getSelectedText(editor, doc, pos);
 130                 }
 131
 132                 if (wikiTitle != null && !wikiTitle.equals("")) {
 133                         template = template.replaceAll("\\$text.selection", wikiTitle);
 134                         wikiTitle = wikiTitle.replaceAll("_", "-");
 135                         template = template.replaceAll("\\$php.selection", wikiTitle);
 136                         return template;
 137                 }
 138                 return null;
 139         }
 140 }