The manualView when the link is clicked it will show a error page. I have added a...
[phpeclipse.git] / net.sourceforge.phpeclipse.phpmanual / src / net / sourceforge / phpeclipse / phpmanual / views / PHPManualView.java
index e14af65..37eadca 100644 (file)
@@ -7,7 +7,6 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
 import java.util.ArrayList;
-import java.util.regex.Matcher;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
@@ -19,6 +18,7 @@ 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.text.IDocument;
@@ -26,12 +26,13 @@ import org.eclipse.jface.text.IRegion;
 import org.eclipse.jface.text.ITextSelection;
 import org.eclipse.jface.viewers.ISelection;
 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.ui.IEditorPart;
 import org.eclipse.ui.INullSelectionListener;
-import org.eclipse.ui.ISelectionListener;
 import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.part.ViewPart;
 import org.htmlparser.Node;
@@ -97,6 +98,25 @@ public class PHPManualView extends ViewPart implements INullSelectionListener, I
         */
        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("<html></html>");
+                               }
+                       }
+               });
                parent.pack();
                if ((lastEditor = getJavaEditor()) != null) {
                        SelectionListenerWithASTManager.getDefault().addListener(lastEditor, this);
@@ -171,6 +191,24 @@ public class PHPManualView extends ViewPart implements INullSelectionListener, I
                        }
                }).start();
        }
+       
+       /**
+        * 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);
+                                       }
+                               });
+                       }
+               }).start();
+       }
 
        /**
         * Filters the function's reference page extracting only parts of it
@@ -178,6 +216,115 @@ public class PHPManualView extends ViewPart implements INullSelectionListener, I
         * @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());
+                               }
+                       }
+                       return output.toString().replaceAll("—", "-");
+                       //.replace("<h3 class=\"title\">Description</h3>", " ");
+               } 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());
+                               }
+                       }
+                       return output.toString().replaceAll("—", "-");
+                       //.replace("<h3 class=\"title\">Description</h3>", " ");
+               } 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 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("<h3 class=\"title\">Description</h3>", " ");
+               } 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 filterHtmlSource(String source) {
                try {
                        Parser parser = new Parser(source);
@@ -207,7 +354,6 @@ public class PHPManualView extends ViewPart implements INullSelectionListener, I
                }
                return "";
        }
-
        /**
         * Reads the template that defines the style of the reference page
         * shown inside the view's browser
@@ -216,11 +362,11 @@ public class PHPManualView extends ViewPart implements INullSelectionListener, I
         */
        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){
@@ -282,12 +428,16 @@ public class PHPManualView extends ViewPart implements INullSelectionListener, I
         */
        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());
@@ -307,6 +457,52 @@ public class PHPManualView extends ViewPart implements INullSelectionListener, I
        }
 
        /**
+        * 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 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 "<html></html>";
+               } catch (Exception e) {
+                       return null;
+               }
+               return "<html></html>";
+       }
+       /**
         * Returns the currently active java editor, or <code>null</code> if it
         * cannot be determined.
         *