ikiwiki/underlays/attachment/ikiwiki/jquery.fileupload-ui.js

358 lines
14 KiB
JavaScript

/*
* jQuery File Upload User Interface Plugin 5.0.13
* https://github.com/blueimp/jQuery-File-Upload
*
* Copyright 2010, Sebastian Tschan
* https://blueimp.net
*
* Licensed under the MIT license:
* http://creativecommons.org/licenses/MIT/
*/
/*jslint nomen: true, unparam: true, regexp: true */
/*global window, document, URL, webkitURL, FileReader, jQuery */
(function ($) {
'use strict';
// The UI version extends the basic fileupload widget and adds
// a complete user interface based on the given upload/download
// templates.
$.widget('blueimpUI.fileupload', $.blueimp.fileupload, {
options: {
// By default, files added to the widget are uploaded as soon
// as the user clicks on the start buttons. To enable automatic
// uploads, set the following option to true:
autoUpload: true,
// The file upload template that is given as first argument to the
// jQuery.tmpl method to render the file uploads:
uploadTemplate: $('#template-upload'),
// The file download template, that is given as first argument to the
// jQuery.tmpl method to render the file downloads:
downloadTemplate: $('#template-download'),
// The expected data type of the upload response, sets the dataType
// option of the $.ajax upload requests:
dataType: 'json',
// The add callback is invoked as soon as files are added to the fileupload
// widget (via file input selection, drag & drop or add API call).
// See the basic file upload widget for more information:
add: function (e, data) {
var that = $(this).data('fileupload');
data.isAdjusted = true;
data.isValidated = that._validate(data.files);
data.context = that._renderUpload(data.files)
.appendTo($(this).find('.files')).fadeIn(function () {
// Fix for IE7 and lower:
$(this).show();
}).data('data', data);
if ((that.options.autoUpload || data.autoUpload) &&
data.isValidated) {
data.jqXHR = data.submit();
}
},
// Callback for the start of each file upload request:
send: function (e, data) {
if (!data.isValidated) {
var that = $(this).data('fileupload');
if (!that._validate(data.files)) {
return false;
}
}
if (data.context && data.dataType &&
data.dataType.substr(0, 6) === 'iframe') {
// Iframe Transport does not support progress events.
// In lack of an indeterminate progress bar, we set
// the progress to 100%, showing the full animated bar:
data.context.find('.ui-progressbar').progressbar(
'value',
parseInt(100, 10)
);
}
},
// Callback for successful uploads:
done: function (e, data) {
var that = $(this).data('fileupload');
if (data.context) {
data.context.each(function (index) {
var file = ($.isArray(data.result) &&
data.result[index]) || {error: 'emptyResult'};
$(this).fadeOut(function () {
that._renderDownload([file])
.css('display', 'none')
.replaceAll(this)
.fadeIn(function () {
// Fix for IE7 and lower:
$(this).show();
});
});
});
} else {
that._renderDownload(data.result)
.css('display', 'none')
.appendTo($(this).find('.files'))
.fadeIn(function () {
// Fix for IE7 and lower:
$(this).show();
});
}
},
// Callback for failed (abort or error) uploads:
fail: function (e, data) {
var that = $(this).data('fileupload');
if (data.context) {
data.context.each(function (index) {
$(this).fadeOut(function () {
if (data.errorThrown !== 'abort') {
var file = data.files[index];
file.error = file.error || data.errorThrown
|| true;
that._renderDownload([file])
.css('display', 'none')
.replaceAll(this)
.fadeIn(function () {
// Fix for IE7 and lower:
$(this).show();
});
} else {
data.context.remove();
}
});
});
} else if (data.errorThrown !== 'abort') {
data.context = that._renderUpload(data.files)
.css('display', 'none')
.appendTo($(this).find('.files'))
.fadeIn(function () {
// Fix for IE7 and lower:
$(this).show();
}).data('data', data);
}
},
// Callback for upload progress events:
progress: function (e, data) {
if (data.context) {
data.context.find('.ui-progressbar').progressbar(
'value',
parseInt(data.loaded / data.total * 100, 10)
);
}
},
// Callback for global upload progress events:
progressall: function (e, data) {
$(this).find('.fileupload-progressbar').progressbar(
'value',
parseInt(data.loaded / data.total * 100, 10)
);
},
// Callback for uploads start, equivalent to the global ajaxStart event:
start: function () {
$(this).find('.fileupload-progressbar')
.progressbar('value', 0).fadeIn();
},
// Callback for uploads stop, equivalent to the global ajaxStop event:
stop: function () {
$(this).find('.fileupload-progressbar').fadeOut();
},
},
_createObjectURL: function (file) {
var undef = 'undefined',
urlAPI = (typeof window.createObjectURL !== undef && window) ||
(typeof URL !== undef && URL) ||
(typeof webkitURL !== undef && webkitURL);
return urlAPI ? urlAPI.createObjectURL(file) : false;
},
_revokeObjectURL: function (url) {
var undef = 'undefined',
urlAPI = (typeof window.revokeObjectURL !== undef && window) ||
(typeof URL !== undef && URL) ||
(typeof webkitURL !== undef && webkitURL);
return urlAPI ? urlAPI.revokeObjectURL(url) : false;
},
// Link handler, that allows to download files
// by drag & drop of the links to the desktop:
_enableDragToDesktop: function () {
var link = $(this),
url = link.prop('href'),
name = decodeURIComponent(url.split('/').pop())
.replace(/:/g, '-'),
type = 'application/octet-stream';
link.bind('dragstart', function (e) {
try {
e.originalEvent.dataTransfer.setData(
'DownloadURL',
[type, name, url].join(':')
);
} catch (err) {}
});
},
_hasError: function (file) {
if (file.error) {
return file.error;
}
return null;
},
_validate: function (files) {
var that = this,
valid;
$.each(files, function (index, file) {
file.error = that._hasError(file);
valid = !file.error;
});
return valid;
},
_uploadTemplateHelper: function (file) {
return file;
},
_renderUploadTemplate: function (files) {
var that = this;
return $.tmpl(
this.options.uploadTemplate,
$.map(files, function (file) {
return that._uploadTemplateHelper(file);
})
);
},
_renderUpload: function (files) {
var that = this,
options = this.options,
tmpl = this._renderUploadTemplate(files);
if (!(tmpl instanceof $)) {
return $();
}
tmpl.css('display', 'none');
// .slice(1).remove().end().first() removes all but the first
// element and selects only the first for the jQuery collection:
tmpl.find('.progress div').slice(1).remove().end().first()
.progressbar();
tmpl.find('.start button').slice(
this.options.autoUpload ? 0 : 1
).remove().end().first()
.button({
text: false,
icons: {primary: 'ui-icon-circle-arrow-e'}
});
tmpl.find('.cancel button').slice(1).remove().end().first()
.button({
text: false,
icons: {primary: 'ui-icon-cancel'}
});
return tmpl;
},
_downloadTemplateHelper: function (file) {
return file;
},
_renderDownloadTemplate: function (files) {
var that = this;
return $.tmpl(
this.options.downloadTemplate,
$.map(files, function (file) {
return that._downloadTemplateHelper(file);
})
);
},
_renderDownload: function (files) {
var tmpl = this._renderDownloadTemplate(files);
if (!(tmpl instanceof $)) {
return $();
}
tmpl.css('display', 'none');
tmpl.find('a').each(this._enableDragToDesktop);
return tmpl;
},
_startHandler: function (e) {
e.preventDefault();
var tmpl = $(this).closest('.template-upload'),
data = tmpl.data('data');
if (data && data.submit && !data.jqXHR) {
data.jqXHR = data.submit();
$(this).fadeOut();
}
},
_cancelHandler: function (e) {
e.preventDefault();
var tmpl = $(this).closest('.template-upload'),
data = tmpl.data('data') || {};
if (!data.jqXHR) {
data.errorThrown = 'abort';
e.data.fileupload._trigger('fail', e, data);
} else {
data.jqXHR.abort();
}
},
_initEventHandlers: function () {
$.blueimp.fileupload.prototype._initEventHandlers.call(this);
var filesList = this.element.find('.files'),
eventData = {fileupload: this};
filesList.find('.start button')
.live(
'click.' + this.options.namespace,
eventData,
this._startHandler
);
filesList.find('.cancel button')
.live(
'click.' + this.options.namespace,
eventData,
this._cancelHandler
);
},
_destroyEventHandlers: function () {
var filesList = this.element.find('.files');
filesList.find('.start button')
.die('click.' + this.options.namespace);
filesList.find('.cancel button')
.die('click.' + this.options.namespace);
$.blueimp.fileupload.prototype._destroyEventHandlers.call(this);
},
_initTemplates: function () {
// Handle cases where the templates are defined
// after the widget library has been included:
if (this.options.uploadTemplate instanceof $ &&
!this.options.uploadTemplate.length) {
this.options.uploadTemplate = $(
this.options.uploadTemplate.selector
);
}
if (this.options.downloadTemplate instanceof $ &&
!this.options.downloadTemplate.length) {
this.options.downloadTemplate = $(
this.options.downloadTemplate.selector
);
}
},
_create: function () {
$.blueimp.fileupload.prototype._create.call(this);
this._initTemplates();
},
enable: function () {
$.blueimp.fileupload.prototype.enable.call(this);
},
disable: function () {
$.blueimp.fileupload.prototype.disable.call(this);
}
});
}(jQuery));