implement help browser

extra/jheidi/helpDialog.ajl

@@ -0,0 +1,65 @@
+  import java.awt.Component;
+  import java.awt.Font;
+  
+  WindowContext parentContext = argObj("windowContext");
+  Dialog dlg = new Dialog((Frame)parentContext.get("/"),"helpDialog", "SQL Help" );
+  WindowContext context = dlg.getWindowContext();
+  context.put("db", parentContext.get("db"));
+   
+  dlg.events("helpDialogEvents");
+  dlg.tabLayout();
+  dlg.insets(10, 10);
+	dlg.tree("helpTree", new Object[] {"A Tree"}, 250, 400);
+	
+	//this is the only reliable component in terms of vsize to align on
+	Component tree = dlg.get("helpTreeScrollPane");
+	
+	dlg.space(5)
+	   .vspace(-6)
+	   .text("No Topic Selected", 250)
+	   .setTab()
+	   .nextRow()
+	   .baseline(tree)
+	   .tab(1)
+	   .vspace(15)
+	   .textArea("helpText", 450, 175)
+	   .nextRow()
+	   .baseline(tree)
+	   .vspace(191)
+	   .tab(1)
+	   .text("Example:")
+	   .nextRow()
+	   .baseline(tree)
+	   .vspace(215)
+	   .tab(1)
+	   .textArea("exampleText", 450, 180)
+	   .nextRow()
+	   .baseline(tree)
+	   .vspace(405)
+	   .line(712)
+	   .nextRow()
+	   .vspace(5)
+	   .space(481)
+	   .button("Search MySQL", 110) 
+	   .space(5)
+	   .button("Close", 110)
+	   .setDefaultButton("Close");
+	   
+	((TextArea)context.get("/helpText")).setEditable(false);
+  ((TextArea)context.get("/exampleText")).setEditable(false);
+  ((Tree)context.get("/helpTree")).setRootVisible(false);
+  ((Tree)context.get("/helpTree")).setShowsRootHandles(true);
+  ((Text)context.get("/No Topic Selected")).style(Font.BOLD);
+  
+  
+  args().put("windowContext", context);
+  script("initHelpTree", args());
+  
+	dlg.visible();
+	   
+	
+	
+    
+    
+    
+

extra/jheidi/helpDialogEvents.ajl

@@ -0,0 +1,63 @@
+  
+  String who = arg("source");
+  NodeInfo node = argObj("node");
+  WindowContext context = argObj("windowContext");
+  
+  log.debug("event received: " + who);
+
+  if ( node != null )
+  {
+    String nodeType = node.getType();
+    log.debug("node type = " + nodeType);
+    if ( "helpitem".equals(nodeType) )
+    {
+       String itemName = node.getText();
+       log.debug("itemName: " + itemName + " clicked");
+       
+       DB db = context.get("db");
+       db.begin();
+       DB.Result items = db.execute("help '" + itemName + "'");
+       if ( !items.isEmpty() )
+       {
+          HashObject item = items.first();
+          ((Text)context.get("/No Topic Selected")).setText(itemName);
+          TextArea helpText = context.get("/helpText");
+          TextArea exampleText = context.get("/exampleText");
+          helpText.setText(item.get("description"));
+          helpText.setCaretPosition(0);
+          exampleText.setText(item.get("example"));
+          exampleText.setCaretPosition(0);
+       }
+    }
+  }
+  else if ( "Search MySQL".equals(who) )
+  {
+    String query = ((Text)context.get("/No Topic Selected")).getText();
+    query = "No Topic Selected".equals(query) ? "" : query.replace(" ", "+");
+    
+    BareBonesBrowserLaunch.openURL("http://dev.mysql.com/doc/mysql/search.php?version=5.1&q=" + query + "&lang=en");
+  }
+  else if ( "Close".equals(who) )
+  {
+     Dialog d = context.get("/");
+     d.dispose();
+  }
+  
+  
+  
+
+ 
+  
+  
+  
+
+
+    
+  
+  
+
+  
+
+
+
+		

extra/jheidi/helpMenuEvents.ajl

@@ -1,11 +1,15 @@
-
-String who = arg("source");
+
+String who = arg("source");
 
 WindowContext context = argObj("windowContext");
 
-log.debug("Event received: " + who);
+log.debug("Event received: " + who);
 
-if ("Heidi SQL Website".equals(who))
+if ("SQL Help".equals(who))
+{
+  script("helpDialog", args());
+}
+else if ("Heidi SQL Website".equals(who))
 {
    BareBonesBrowserLaunch.openURL("http://www.heidisql.com");
 }
@@ -41,5 +45,5 @@ else {
   
 
 
-
+
 

extra/jheidi/initHelpTree.ajl

@@ -0,0 +1,76 @@
+  import java.util.*;
+  
+  WindowContext context = argObj("windowContext");
+  HashObject profile = context.get("profile");
+  Tree tree = context.get("/helpTree");
+  NodeInfo root = (NodeInfo)tree.getModel().getRoot();
+  
+  tree.setCellRenderer(new IconicCellRenderer("images/helptopic.gif", "images/helpitem.gif"));
+  
+  DB db = context.get("db");
+  db.begin();
+ 
+  List<HashObject> curItems = db.execute("help contents");
+  NodeInfo curNode = root;
+  
+  Stack<HashObject> stack = new Stack<HashObject>();
+  HashObject pointer = new HashObject();
+  pointer.put("node", curNode);
+  pointer.put("items", curItems);
+  stack.push(pointer);
+  
+  while (!stack.empty())
+  {
+    pointer = stack.pop();
+    curItems = pointer.getObject("items");
+    curNode = pointer.getObject("node");
+    
+    for ( HashObject item: curItems)
+    {
+      if ( "Y".equals(item.get("is_it_category")))
+      {
+        NodeInfo branch = new NodeInfo(item.get("name"));
+        //this if statement is needed because of bugs in some mysql help tables 
+        //causing infinite recursion. lazier loading in jheidi would also work.
+        if ( !branch.getText().equals(curNode.getText()))
+        {
+          branch.setType("helptopic");
+          branch.setIcon("helptopic");
+          HashObject newPointer = new HashObject();
+          newPointer.put("items", db.execute("help '" + item.get("name") + "'"));
+          newPointer.put("node", branch);
+          curNode.add(branch);
+          stack.push(newPointer);
+        }  
+      }
+      else 
+      {
+        NodeInfo leaf = new NodeInfo(item.get("name"));
+        leaf.setType("helpitem");
+        leaf.setIcon("helpitem");
+        curNode.add(leaf);
+      }
+    }
+   
+  }
+ 
+  db.end();
+  
+  tree.updateUI();
+ 
+    
+ 
+  
+  
+  
+
+
+    
+  
+  
+
+  
+
+
+
+		

extra/jheidi/mainToolbarEvents.ajl

@@ -99,10 +99,6 @@ else if ("Drop Database".equals(who))
      }
   }
 }
-else if ("Help".equals(who))
-{
-   BareBonesBrowserLaunch.openURL("http://www.heidisql.com");
-}
 else if ("Close".equals(who) )
 {
   Frame window = context.get("/");