diff options
Diffstat (limited to 'src/client/Utils.hx')
| -rw-r--r-- | src/client/Utils.hx | 56 |
1 files changed, 42 insertions, 14 deletions
diff --git a/src/client/Utils.hx b/src/client/Utils.hx index 4d85697..a120166 100644 --- a/src/client/Utils.hx +++ b/src/client/Utils.hx @@ -5,7 +5,9 @@ import js.Browser.document; import js.Browser.navigator; import js.Browser.window; import js.html.Element; +import js.html.FileReader; import js.html.URL; +import js.lib.ArrayBuffer; class Utils { public static function nativeTrace(msg:Dynamic, ?infos:haxe.PosInfos):Void { @@ -127,25 +129,51 @@ class Utils { #end } + public static function browseFile( + onFileLoad:(buffer:ArrayBuffer, name:String) -> Void + ):Void { + browseFileImpl(onFileLoad, true, false); + } + public static function browseFileUrl( onFileLoad:(url:String, name:String) -> Void, - isBinary = true, revoke = false ):Void { - final input = document.createElement("input"); + browseFileImpl(onFileLoad, false, revoke); + } + + static function browseFileImpl( + onFileLoad:(data:Dynamic, name:String) -> Void, + isBinary:Bool, + revokeAfterLoad:Bool + ):Void { + final input = document.createInputElement(); input.style.visibility = "hidden"; - input.setAttribute("type", "file"); + input.type = "file"; input.id = "browse"; - input.onclick = function(e) { + input.onclick = e -> { e.cancelBubble = true; e.stopPropagation(); } - input.onchange = function() { - final file:Dynamic = (input : Dynamic).files[0]; - final url = URL.createObjectURL(file); - onFileLoad(url, file.name); - document.body.removeChild(input); - if (revoke) URL.revokeObjectURL(url); + input.onchange = e -> { + final file = input.files[0] ?? return; + if (!isBinary) { + final url = URL.createObjectURL(file); + onFileLoad(url, file.name); + document.body.removeChild(input); + if (revokeAfterLoad) URL.revokeObjectURL(url); + return; + } + final reader = new FileReader(); + reader.onload = e -> { + final result:ArrayBuffer = reader.result; + onFileLoad(result, file.name); + document.body.removeChild(input); + } + reader.onerror = e -> { + document.body.removeChild(input); + } + reader.readAsArrayBuffer(file); } document.body.appendChild(input); input.click(); @@ -156,10 +184,10 @@ class Utils { type: mime }); final url = URL.createObjectURL(blob); - final a = document.createElement("a"); - untyped a.download = name; - untyped a.href = url; - a.onclick = function(e) { + final a = document.createAnchorElement(); + a.download = name; + a.href = url; + a.onclick = e -> { e.cancelBubble = true; e.stopPropagation(); } |
