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Setting static text dynamically with javascript

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  • Setting static text dynamically with javascript

    Hi there,

    I'm new to Alpha Five coming to it from an 'MS Access' background.
    I want to set a static text control dynamically using javascript, but I'm having no luck.

    {grid.object}.setValue('D','[STATIC TEXT.1].[STATIC TEXT]','Pending Status');

    Is this possible and is my syntax correct? Is there another way of showing 'non field' data in Detail View.

    Thanks in advance for your time.

    Joe

  • #2
    Re: Setting static text dynamically with javascript

    Ok A5 guys I'm feeling rejected.... I didn't get any replies to my post, but not to worry it just forced me to look and try until I got a solution.

    I had the break-through watching Selwyn Rabin's recent webinar XBasic Intro, these webinars are brilliant. They are currently listed under Events on the AlphaSoftware website.

    I'm new to A5 so excuse my ramblings, I'll explain what I wanted to do and how I achieved the solution.
    Ok here goes.....

    I have a basic grid control with a list part and a detail part. The list part shows client names, which when clicked shows the detail of the selected client.
    I wanted to show the client name as a dynamic bold heading on top of the detail section to make it obvious to the user what client had been selected.
    By watching the webinar the first thing I realised was that if you want to populate a static text control you have to add a 'div ID' as part of the static text. After inserting and positioning the StaticText control, I then clicked on the 'static text' property and entered this div tag <div id="ClientTitle"></div>

    Ok I've got my <div> so I now want to interact with it.
    I clicked on the properties of the grid part and scrolled down to the 'Javascript - System Events' section and clicked on 'System events' property, there is a single event in there called afterAjaxCallbackComplete, click on the event and then type the following in the corresponding Javascript code window.

    var rn={grid.object}._selectedRow;
    var cname = {grid.object}.getValue('G','ClientName',rn);
    $('ClientTitle').innerHTML=cname;

    Obviously you type whatever fieldname is relevant to your situation, I wanted the ClientName value from the row that was selected.
    I learnt the javascript syntax for this by clicking on the 'Insert Grid Method' link and looked through all the various methods that are very well documented. (A5 has loads of documentation which I love) I encourage you to read the documentation carefully for the various methods, it's all good stuff!

    To add a bit of basic formatting I changed the javascript to this...

    var rn={grid.object}._selectedRow;
    var cname = {grid.object}.getValue('G','ClientName',rn);
    $('ClientTitle').innerHTML="<font color=#ff0000 size=6>"+ cname + "</font>";

    I'm sure there are more elegant ways of applying a style, but it worked heh.

    Hope that helps someone!

    Joe

    PS: To add a style to your DIV with css rather than doing it inline as above, simply create a style called #ClientTitle (as per div example above) and apply the approriate properties to it.
    Last edited by dataflowjoe; 10-22-2013, 12:39 PM.

    Comment


    • #3
      Re: Setting static text dynamically with javascript

      You could also just put the style in your div and skip the font tag in your innerHTML:

      Code:
      <div style="color:#f00;font-size:6;" id="ClientTitle"></div>
      You got the rest of things pretty much spot on. Except for your {grid.object}.setValue(...) in that first post. That's not really going to work. I don't actually know how to get/set value on a static text object using {grid.object}.[get|set]Value(...).

      You can populate the static text directly without needing the extra DIV. I recommend using $svs() and $gvs(). Just have to make sure you use the right ID for your static object. Probably has the form "{grid.object}.D.V.R1._UNBOUND_STATICTEXT_1" or something. I can't tell you exactly what that is. You'll need to use Firebug to look it up. But, then you can do something like this instead:

      Code:
      $svs('{grid.componentName}.D.V.R1._UNBOUND_STATICTEXT_1', {grid.object}.getValue('G','CLIENTNAME',{grid.object}._selectedRow));
      Depending on where you put the static text object and how you chose to display the detail view, you may or may not encounter errors. For example, if the div is in the detail view and the detail view isn't shown until someone clicks on a record, your code to set the title in afterAjaxCallbackComplete could fail if the HTML for the detail view doesn't exist yet - $('ClientTitle') would return undefined and an error would be logged to the console. I would recommend that you put your header code in the afterDetailViewOpen event instead. And maybe afterDetailViewNewRecord - if you can add new records. You want a blank title for a new record maybe?

      ---
      Sarah
      Alpha Anywhere latest pre-release

      Comment


      • #4
        Re: Setting static text dynamically with javascript

        Hi Sarah,

        Thank you for your input.

        I did use an inline style initially but I thought best practice was not to use hardcoded inline styles, but rather keep the styles together in a css file.
        Is there not a way of finding out the static text control name in design view? I looked under the xbasic tab and the following block of code does refers to the static text as you have it.

        with tmpl.detailfield_info[1]
        .Controltype = "Unbound_StaticText"
        .Fieldname = "_Unbound_StaticText_1" '<<<<< I guess this is the name to reference it by
        .Varname = "_Unbound_StaticText_1"
        .StaticText = "<div id=\"ClientTitle\"></div>"
        .Column.CanSort = .f.
        .Column.Heading = ""
        .Column.InLineStyle = ""
        .Column.heading_left = ""
        .Column.LabelInLineStyle = ""
        .Column.Hide = .f.
        .clientSideConditionalStyle = ""
        .clientSideConditionalStyleLevel = "Cell"
        .Column.LabelPosition = "Left"
        .nCols = 1
        .BreakType = "None"
        end with


        In your example you referenced the static control correctly but what does the D.V.R1. represent between the gridcontrol and the static control.
        $svs('{grid.componentName}.D.V.R1._UNBOUND_STATICTEXT_1', {grid.object}.getValue('G','CLIENTNAME',{grid.object}._selectedRow));

        Thanks again,

        Joe

        Comment


        • #5
          Re: Setting static text dynamically with javascript

          Originally posted by dataflowjoe View Post
          In your example you referenced the static control correctly but what does the D.V.R1. represent between the gridcontrol and the static control.
          $svs('{grid.componentName}.D.V.R1._UNBOUND_STATICTEXT_1', {grid.object}.getValue('G','CLIENTNAME',{grid.object}._selectedRow));
          D.V.R1 - detail view row 1? It's part of alpha's auto-generated ID naming convetions. V.R{grid.rowNumber} for grid rows, V.R1 for dialogs, S for grid search parts. There are more for tabbed ui components and the like.
          Alpha Anywhere latest pre-release

          Comment


          • #6
            Re: Setting static text dynamically with javascript

            Cheers, thank's for that. I'm learning something new every day with A5, there's such a lot of little nuances like that which throw me.
            I guess these things are designed to give the programmer greater control in working with the various grid elements at a scripting level.

            Thanks

            Comment

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