HeidiSQL/extra/jheidi/schemaTreeEvents.ajl

    
  NodeInfo node = argObj("node");
  final WindowContext context = argObj("windowContext");
      
  Tabs tabs = context.get("/mainTabs");
  String selectedTab = tabs.selected();
  String nodeType = node.getType();
  
  boolean dbChanged = false;
  boolean tableChanged = false;
    
  log.debug("node type = " + nodeType);
  log.debug("selected tab = " + selectedTab);
  
  if ( nodeType == null )
  {
    tabs.select("Host");
    args().put("selectedTab", "Host");
    context.put("currentDB", null);
    thread("resetTabs", args(), true);
  }
  else if ( "db" == nodeType )
  {
     Panel tab = tabs.select("Database");
    
     if ( !node.getText().equals(context.get("currentDB")) )
     {
       dbChanged = true;
     }
  }
  else if ( "table" == nodeType )
  {
     String dbName = node.getParent().getText();
     Panel tab = tabs.get("Table");
     if ("Host" == selectedTab || "Database" == selectedTab)
     {
        tabs.select("Table");
     }
  
     if (!node.getParent().getText().equals(context.get("currentDB")))
     {
         dbChanged = true;
     }

     if ( !node.getText().equals(context.get("currentTable")) || dbChanged )
     {
        tableChanged = true;
     }
  }

  if (dbChanged)
  {
   final String dbName = tabs.selected() == "Database"?node.getText():node.getParent().getText();
   log.debug("selectedTab: " + selectedTab + " dbName: " + dbName);

   context.put("currentDB", dbName);
   context.remove("currentTable");

   Runnable preloadIfLazy = new Runnable() {
     public void run() {
       if ( dbName.equals((String)context.get("currentDB")))
       {
         Toolbar tb = context.get("/mainTabs/Database/toolbar");
         Text banner = context.get("/mainTabs/Database/toolbar/banner");
         banner.setText("Database " + dbName + ": (loading)");
         banner = context.get("/mainTabs/Query/toolbar/banner");
         banner.setText("SQL query on database: " + dbName);
         Table table = context.get("/mainTabs/Database/table");
         table.clear();
         tb.updateUI();
       }
     }
   };
   
   Runnable postCancelUpdate = new Runnable() {
     public void run() {
       if (dbName.equals((String)context.get("currentDB")) )
       {
         Text banner = context.get("/mainTabs/Database/toolbar/banner");
         banner.setText("Database " + dbName + ": (load canceled)");
       }
     }
   };
   
   args().put("selectedTab", "Database");
   thread("resetTabs", args(), true);
   args().put("dbName", dbName);
   args().put("preloadIfLazy", preloadIfLazy);
   args().put("postCancel", postCancelUpdate);
   args().put("waitOperation", "show table status from `" + dbName + "`");
   args().put("workerKey", dbName);
   Worker w = worker("showTableStatusWorker", args(), Worker.RunOption.LET_FINISH_IF_RUNNING);
   //explain: the worker was already running but the state change needs to happen anyway
   //no need to run detection thread
   if ( w.isCancelled() )
   {
     preloadIfLazy.run();
     return;
   }

   args().put("worker", w);
   LongRunningTask.detect(dbName, "progressWaiter",   args(), w , 250);

   
 }

 if (tableChanged)
 {
   final String dbName = node.getParent().getText();
   final String tableName = node.getText();

   context.put("currentTable", tableName);

   Runnable preloadIfLazy = new Runnable() {
     public void run()  {
       if ( tableName.equals((String)context.get("currentTable")) &&
            dbName.equals((String)context.get("currentDB")))
       {
         Toolbar tb = context.get("/mainTabs/Table/toolbar");
         Text banner = context.get("/mainTabs/Table/toolbar/banner");
         banner.setText("Table properties for " + arg("dbName") + "." + arg("tableName") + " (loading)");
         Table table = context.get("/mainTabs/Table/table");
         table.clear();
         tb.updateUI();
       }
     }
   };

   Runnable postCancelUpdate = new Runnable() {
     public void run() {
       if ( tableName.equals((String)context.get("currentTable")) &&
            dbName.equals((String)context.get("currentDB")))
       {
         Text banner = context.get("/mainTabs/Table/toolbar/banner");
         banner.setText("Table properties for " + arg("dbName") + "." + arg("tableName") + " (load canceled)");
       }
     }
   };

   args().put("dbName", dbName);
   args().put("tableName", tableName);
   args().put("preloadIfLazy", preloadIfLazy);
   args().put("postCancel", postCancelUpdate);
   args().put("waitOperation", "show full columns from `" + dbName + "`.`" + tableName + "`");
   args().put("workerKey", dbName+tableName);
   Worker w = worker("loadTableInfoWorker", args(), Worker.RunOption.LET_FINISH_IF_RUNNING);
   //worker was already running
   if ( w.isCancelled() )
   {
     preloadIfLazy.run();
     return;
   }
   args().put("worker", w);
   LongRunningTask.detect(dbName+tableName, "progressWaiter", args(), w , 250);

   thread("loadTableData", args(), true);
 }