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Joe, I know and not what I want. I want to learn this in Javascript. Take care.
--- In amibroker@xxxxxxxxxxxxxxx, "Joe Landry" <jelandry@xxx> wrote:
>
> Hello Bert: Unless you're really interested in working with jScript you can do clear and build without it.
> Something I put together using Bruce's FT utilities. As the instructions say, careful what your paramlist in the
> Autoanalyzer function is set to, cause it will erase the number that resides there.
>
> Joe
>
> // Builds a watchlist from a FastTrack Family
> // May 2005 JEL
> // Uses the Bruce Robinson's utilities to get a family from the
> // FastTrack data base
> // Will look in C:\FT\FTDEF in USERDEF and in FT4WIN for the family named
> // in the parameter list below.
> // Careful of what watchlist you point this to because it will empty it first
> // then fill it with the FT Family
> // How to Run in Autoanalyzer window
> // 1) Set RANGE to LAST QUOTATIONS = 1
> // 2) Set APPLY TO CURRENT SYMBOL a stock with lots of data bars/history a money market or XOM
> // 3) Select PARAMETERS button and ENTER the Watchlist LIST you want to ERASE and REFILL
> // 4) Select FastTrack Family jerryall or myfam upper or lower case.
> // 5) Press SCAN, to transfer the tickers from the FT FAM to the WATCHLIST of your choosing
>
> #pragma nocache
> #include <FT-Utilities8.afl>
>
> script = GetScriptObject();
> WLNum = Param("Watchlist Number",7,1,60,1);
> FamName= ParamStr("FT Family Name","BD-Junk"); // Looks in FTDEF, USERDEF and FT4WIN
>
> if ( Status("action") == 3 )
> {
> // **************** File Ops Clears and Rebuilds a Watchlist ********************
>
> currentlist = CategoryGetSymbols( categoryWatchlist, WLNum );
> for (i = 0; (member = StrExtract(currentlist, i)) != ""; i++)
> CategoryRemoveSymbol( member, categoryWatchlist, WLNum );
>
> // **************** Get the FT Family **********************************************
> List = script.FTGetFam(FamName);
> for( i = 0; ( sym = StrExtract( list, i ) ) != ""; i++ )
> {
> CategoryAddSymbol(sym,categoryWatchlist,WLNUM);
> }
>
> Buy=Sell=0; // this fakes out the AmiBroker AutoAnalyzer
> // and lets you run the program without an error indication.
> }
>
>
> ----- Original Message -----
> From: bistrader
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Wednesday, November 25, 2009 9:29 AM
> Subject: [amibroker] EMPTY A WATCHLIST WITH JAVA SCRIPT QUESTION
>
>
>
> I am working on a Java Script and am taking one step at a time. I want this section of the js to empty a watchlist. I have googled a lot and have commands that are javascript and visual basic. This is my error, but I am learning. Here is what I have on this should so far. Help appreciated.
>
> // emptyWatchlist.js
>
> // This Java Script file should:
> // 1. Load a Database
> // 2. Call a function to empty a watchlist. This function ...
> // a. Creates an afl
> // b. Runs an exploration on this afl to empty watchlist 10.
> // THIS AFL DOES NOT WORK YET
> // ----------------------------------------------------------
> // Create AmiBroker object and get Analysis object
> // ----------------------------------------------------------
> var AB, AA, i;
>
> AB = new ActiveXObject("Broker.Application");
> AA = AB.Analysis;
>
> // ----------------------------------------------------------
> // Load Database
> // ----------------------------------------------------------
> AB.LoadDatabase("C:\\Amibroker\\FastTrack");
>
> // ----------------------------------------------------------
> // Load Reference Ticker into AmiBroker
> // ----------------------------------------------------------
> AB.ActiveDocument.Name = "RUT-I"; // Set RUT-I as reference ticker
>
> // ----------------------------------------------------------
> // Empty Watchlist 10
> // ----------------------------------------------------------
> var WatchlistNumber = 10
>
> WLEmpty_Directory = "C:\\Amibroker\\Temp\\";
> WLEmpty_ExploreFileName = "Empty_Watchlist.afl";
> WLEmpty_ExploreFile = WlEmpty_Directory + WLEmpty_ExploreFileName;
>
> emptyWatchlist.call(10);
> //Call emptyWatchlist; // does not work?
>
> // ----------------------------------------------------------
> // Afl Code to Empty a Watchlist
> // ----------------------------------------------------------
> var Emptya = "list = GetCategorySymbols( categoryWatchlist, ";// Add watchlist number later
> var Emptyb = " );"; // Use Chr(34) later to add quotes
> var Emptyc = "for( i = 0; ( sym = StrExtract( list, i ) ) != ";
> var Emptyd = "; i++ )";
> var Emptye = "{";
> var Emptyf = " CategoryRemoveSymbol(sym, categoryWatchlist, ";
> var Emptyg = " );";
> var Emptyh = " Filter=1;";
> var Emptyi = "}";
> var Emptyj = "AddTextColumn(sym ,";// Use Chr(34) later to add quotes
> var Emptyk = "Ticker";
> var Emptyl = ");";
>
> // ----------------------------------------------------------
> // Function to create an afl that will Empty a Watchlist
> // ----------------------------------------------------------
> function emptyWatchlist
> {
> Dim bolResult
> Dim FrmlaFile
>
> var Result = WSH.popup("Emptying a Watchlist")
>
> var FrmlaFile = FS.CreateTextFile(WLEmpty_ExploreFile, True)
>
> With FrmlaFile
> .WriteLine Emptya + cstr(WatchlistNumber) + Emptyb
> .WriteLine Emptyc + Chr(34) + Chr(34) + Emptyd
> .WriteLine Emptye
> .WriteLine Emptyf + cstr(WatchlistNumber) + Emptyg
> .WriteLine Emptyh
> .WriteLine Emptyi
> .WriteLine Emptyj + Chr(34) + Emptyk + Chr(34) + Emptyl
> .Close
> End With
>
> Set FrmlaFile = Nothing
>
> With AA
> .ApplyTo = 1;
> .RangeMode = 2;
> .RangeN = 1;
> .ClearFilters();
> .Filter(0, "watchlist") = WatchlistNumber
> bolResult = .LoadFormula(WLEmpty_ExploreFile)
> If bolResult Then
> .Explore();
> End If
> End With
>
> AB.RefreshAll()
>
> //End function
> }
>
> // That is it.
>
------------------------------------
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