Files
cagettepei/src/sugoi/form/elements/ImageUpload.hx
T
2021-08-27 17:54:17 +04:00

76 lines
2.4 KiB
Haxe

package sugoi.form.elements;
import sugoi.form.Form;
import sys.io.File;
/**
* Manage an <input type="file" /> element for uploading images.
*/
class ImageUpload extends FormElement<haxe.io.Bytes>
{
public var fileName: String;
public var maxSize : Int; // Max file size in Mb
public var previewMaxSize : Int; // Image preview max size in pixels
public var url : String;
public var text : String;
/**
* @param name
* @param label
* @param url file URL for previewing the image
* @param required
*/
public function new(name:String, label:String, ?url:String, ?required:Bool=false )
{
super();
this.name = "upload_"+name;
this.label = label;
this.url = url;
this.required = required;
fileName = null;
maxSize = 6;
previewMaxSize = 200;
}
override public function getTypedValue(s:String):haxe.io.Bytes
{
var request = sugoi.tools.Utils.getMultipart(1024 * 1024 * maxSize);
var strData = request.get(parentForm.name + "_" + name + "_data");
if (strData != null && strData != ""){
fileName = request.get(parentForm.name + "_" + name + "_data_filename");
return new haxe.io.StringInput(strData).readAll();
}
return null;
}
public function hasDeleteAction():Bool{
var n = parentForm.name + "_" +name;
return (App.current.params.get(n + "_delete") == "1");
}
/**
* Renders an input + image preview + delete btn
*/
override public function render():String
{
var n = parentForm.name + "_" +name;
var str = new StringBuf();
str.add('<div class="imageUpload" style="position: relative;">');
if (url!= null)str.add('<img id="' + n + '_preview" src="$url" class="img-thumbnail" style="max-width:'+previewMaxSize+'px;max-height:'+previewMaxSize+'px;float:right;">');
str.add('<input class="btn btn-default" type="file" name="' + n + '_data" id="' + n + '" ' + attributes + ' />');
if (text != null) str.add('<p>$text</p>');
if (!required && url!= null){
str.add('<a style="position:absolute;right:3px;top:3px;" href="#" class="btn btn-default btn-xs" onclick="document.getElementById(\'' + n + '_delete\').value = \'1\';document.getElementById(\'' + n + '_preview\').style.display=\'none\';this.style.display=\'none\';return false;">');
str.add('<span class="glyphicon glyphicon-remove" alt="Remove"></span>');
str.add('</a>');
}
str.add('<input type="hidden" name="' + n + '_delete" id="' + n + '_delete" value="0"/>');
str.add('</div>');
return str.toString();
}
}