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# haxe-ui
  • h
    If I specify placeholder text in a textfield which is just a number it breaks compilation.
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    <textfield id="ypixels" placeholder="256"/>
    error:
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    ....haxelib/haxeui-core/git/haxe/ui/macros/ComponentMacros.hx:778: characters 40-78 : Int should be String
....haxelib/haxeui-core/git/haxe/ui/macros/ComponentMacros.hx:778: characters 40-78 : ... For function argument 'value'
source/MainView.hx:9: lines 9-48 : ... Defined in this class
    Is there a w/a ? Do I need to convert the int to a string somehow ?
  • h
    things like Std.parseInt are rendered as literals
  • b
    right, ill have a look
  • b
    so a) you can probably do something like: 
    placeholder="'256'"
    or 
    placeholder="${Std.string(256)}"
    and b) you shouldnt have to, haxeui should be converting between these things automatically (it looks up the target property type and does the conversion), so something wrong is happening with placeholder, or int -> string
  • b
    ok, this should work better now - nice find 👍
  • s
    I don't understand how to use SelectFileDialog correctly, I also tried to specify options
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    dialog.options = {
  readContents: true,
  multiple: true,
  readAsBinary: false
};
    haxe 4.2.5 haxeui-core 1.4.0 haxeui-hxwidgets 1.4.0 hxWidgets 1.9.0 wxWidgets 3.1.5
  • s
    For hxWidgets there is an example where FileDialog is used, but there is a different code
  • i
    You can use the 
    Dialogs.openFile
    or something with that kind of name
  • s
    in this version of haxeui-hxwidgets is no openFile, it uses SelectFileDialogImpl instead
  • s
    well, it might be worth trying the git version
  • b
    Yeah, this is a new feature so only available in git atm
  • b
    You'll need git of all libs (check pins, am on phone currently)
  • b
    I think this color error is a language server thing. Will hopefully go away if you restart it
  • s
    🤔 it probably won't work that way
  • s
    I'll just try to upgrade the libraries to the git version to use OpenFile
  • b
    Instead of 
    this
    you could use 
    Screen.instance.frame
    . But keep in mind this is all very specific to hxWidgets. If you use the haxeui methods then you don't have to think about any of this and your app will be cross framework / platform
  • b
    if you use latest git version:
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    haxelib git haxeui-core https://github.com/haxeui/haxeui-core
haxelib git haxeui-hxwidgets https://github.com/haxeui/haxeui-hxwidgets
haxelib git hxWidgets https://github.com/haxeui/hxWidgets
  • b
    then you can use one of the methods show in the component explorer (http://haxeui.org/explorer/ - Containers -> Dialogs -> File Dialogs)
  • b
    simplest being:
  • b
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    haxe
        Dialogs.openBinaryFile("Open Image File", FileDialogTypes.IMAGES, function(selectedFile) {
            trace(selectedFile.bytes.length);
        });
  • b
    also, fyi, 
    FileDialogTypes.IMAGES
    is just a helper and is basically just: 
    [{label: "Image Files", extension: "png, gif, jpeg, jpg, bmp"}]
  • b
    though looking at it now, i think i might change it to: 
    [{label: "Image Files", extensions: ["png", "gif", "jpeg", "jpg", "bmp"]}]
  • s
    By the way, also wanted to ask if there is a drag & drop implementation for files in this library?
  • b
    nope, 'fraid not currently - pretty sure wxWidgets and html5 would support it, but there is nothing like that currently
  • b
    you could probably link it up yourself manually for hxWidgets (assuming the classes exists in hxWidgets - which they probably dont yet)
  • b
    OK, so using wxWidgets (via hxWidgets), its pretty easy:
  • b
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    haxe
        Screen.instance.frame.dragAcceptFiles(true);
        Screen.instance.frame.bind(hx.widgets.EventType.DROP_FILES, function(e:hx.widgets.Event) {
            var dfe = e.convertTo(hx.widgets.DropFilesEvent);
            trace("on dropped - " + dfe.numberOfFiles);
            theLabel.text = dfe.files.join("\n");
        });
  • s
    cool, thanks
  • b
    notes: 1) i had to add the new DropFilesEvent, so you'll need latest git version of hxWidgets 2) if you use this method, you are directly using hxWidgets (wxWidgets) and not using haxeui anymore (at least for this part), which means if you try and build for, say, html5 its not going to compile (without something like a 
    #if haxeui_hxwidgets
    )
  • s
    Screen.instance from haxe.ui.core.Screen ?
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