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Add drop_target attribute to support HTML5 dropping of files

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Nathan Gray 2013-08-03 19:12:38 +00:00
parent 42c269fc30
commit dacc98ae72
1 changed files with 56 additions and 0 deletions
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56
etemplate/js/et2_widget_file.js
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@ -66,6 +66,12 @@ var et2_file = et2_inputWidget.extend(
"type": "any", "type": "any",
"default": et2_no_init, "default": et2_no_init,
"description": "A (js) function called when all files to be uploaded are finished." "description": "A (js) function called when all files to be uploaded are finished."
},
drop_target: {
"name": "Optional, additional drop target for HTML5 uploads",
"type": "string",
"default": et2_no_init,
"description": "The ID of an additional drop target for HTML5 drag-n-drop file uploads"
} }
}, },
@ -141,6 +147,7 @@ var et2_file = et2_inputWidget.extend(
destroy: function() { destroy: function() {
this._super.apply(this, arguments); this._super.apply(this, arguments);
this.set_drop_target(null);
this.node = null; this.node = null;
this.input = null; this.input = null;
this.progress = null; this.progress = null;
@ -172,6 +179,55 @@ var et2_file = et2_inputWidget.extend(
} }
this.setDOMNode(this.node[0]); this.setDOMNode(this.node[0]);
},
/**
* Set a widget or DOM node as a HTML5 file drop target
*
* @param String new_target widget ID or DOM node ID to be used as a new target
*/
set_drop_target: function(new_target)
{
// Cancel old drop target
if(this.options.drop_target)
{
var widget = this.getRoot().getWidgetById(this.options.drop_target);
var drop_target = widget && widget.getDOMNode() || document.getElementById(this.options.drop_target);
//$j(drop_target).off("."+this.id);
}
this.options.drop_target = new_target;
// Set up new drop target
var widget = this.getRoot().getWidgetById(this.options.drop_target);
var drop_target = widget && widget.getDOMNode() || document.getElementById(this.options.drop_target);
if(drop_target)
{
var self = this;
drop_target.ondrop =function(event) {
return false;
};
$j(drop_target)
.on("drop", jQuery.proxy(function(event) {
if(event.dataTransfer && event.dataTransfer.files.length > 0)
{
this.input[0].files = event.dataTransfer.files;
this.input.trigger("start.html5_upload");
}
}, this))
.on("dragenter",function(e) {
return !self.disabled;
//self.checkMime(this.files[index]))
})
.on("dragover", function(e) {
return !self.disabled;
})
.on("dragend", false);
}
else
{
this.egw().debug("warn", "Did not find file drop target %s", this.options.drop_target);
}
}, },
attachToDOM: function() { attachToDOM: function() {