/home/edulekha/studygroup.edulekha.com/ow_static/plugins/photo/js/upload.js
/**
* This software is intended for use with Oxwall Free Community Software http://www.oxwall.org/ and is
* licensed under The BSD license.
* ---
* Copyright (c) 2011, Oxwall Foundation
* All rights reserved.
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this list of conditions and
* the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Oxwall Foundation nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @author Kairat Bakitow <kainisoft@gmail.com>
* @package ow_plugins.photo
* @since 1.7.6
*/
(function( $, params, logic )
{
$.event.props.push('dataTransfer');
var parameters = $.extend({
fileType: ['image/jpeg', 'image/png', 'image/gif']
}, params);
this.ajaxPhotoUploader = logic.call(this, $, parameters);
}.call(window, jQuery, window.ajaxPhotoUploadParams, function( $, params, undf )
{
var root = this, UPLOAD_THREAD_COUNT = 3;
var PhotoFile = (function()
{
var index = 0;
function PhotoFile( file )
{
if ( !(this instanceof PhotoFile) )
{
return new PhotoFile(file);
}
if ( !(file instanceof File) )
{
throw new TypeError('"File" required');
}
this.node = $('#slot-prototype').clone();
this.file = file;
this.index = ++index;
}
PhotoFile.prototype.isAvailableFileSize = function()
{
return this.file.size <= params.maxFileSize;
};
PhotoFile.prototype.isAvailableFileType = function()
{
return params.fileType.indexOf(this.file.type.toLowerCase()) !== -1;
};
PhotoFile.prototype.createSlot = fluent(function()
{
this.node.attr('id', 'slot-' + this.index);
FileManager().node.append(this.node);
});
PhotoFile.prototype.initHashtagEditor = fluent(function()
{
var file = this;
var editor = this.editor = root.CodeMirror.fromTextArea(this.node.find('textarea')[0], {
mode: 'text/hashtag',
lineWrapping: true,
extraKeys: {Tab: false}
});
editor.setValue(OW.getLanguageText('photo', 'describe_photo'));
editor.on('blur', function( editor )
{
var value = file.description = editor.getValue().trim(), lineCount;
if ( value.length === 0 || value === OW.getLanguageText('photo', 'describe_photo') )
{
$(editor.display.wrapper).addClass('invitation');
editor.setValue(OW.getLanguageText('photo', 'describe_photo'));
}
else if ( (lineCount = editor.lineCount()) > 3 )
{
editor.setLine(2, editor.getLine(2).substring(0, 20) + '...');
for ( var i = 3; i < lineCount; i++ )
{
editor.removeLine(3);
}
}
else
{
var limit;
switch ( lineCount )
{
case 1: limit = 70; break;
case 2: limit = 50; break;
case 3: limit = 20; break;
}
if ( value.length > limit )
{
editor.setValue(value.substring(0, limit) + '...');
}
}
editor.setSize('100%', 58 + 'px');
file.node.find('.ow_photo_preview_image').removeClass('ow_photo_preview_image_active');
if ( FileManager().node.find('.ow_photo_preview_image_active').length === 0 )
{
FileManager().node.removeClass('ow_photo_preview_image_filtered');
}
});
editor.on('focus', function( editor )
{
$(editor.display.wrapper).removeClass('invitation');
if ( file.description )
{
editor.setValue(file.description);
}
else
{
var value = editor.getValue().trim();
if ( value === OW.getLanguageText('photo', 'describe_photo') )
{
editor.setValue('');
}
}
var height = editor.doc.height;
switch ( true )
{
case height <= 42:
editor.setSize('100%', 58 + 'px');
break;
case height > 42 && height < 108:
editor.setSize('100%', height + 14 + 'px');
editor.scrollTo(0, height + 14);
break;
default:
editor.setSize('100%', '108px');
editor.scrollTo(0, 108);
break;
}
setTimeout(function()
{
editor.setCursor(editor.lineCount(), 0);
}, 1);
FileManager().node.addClass('ow_photo_preview_image_filtered');
file.node.find('.ow_photo_preview_image').addClass('ow_photo_preview_image_active');
});
editor.on('change', function( editor )
{
var height = editor.doc.height;
switch ( true )
{
case height <= 42:
editor.setSize('100%', 58 + 'px');
break;
case height > 42 && height < 108:
editor.setSize('100%', height + 14 + 'px');
break;
default:
editor.setSize('100%', '108px');
break;
}
});
editor.setSize('100%', 58 + 'px');
});
PhotoFile.prototype.updateSlot = fluent(function( fileUrl, id )
{
if ( !fileUrl || !id ) return;
this.id = id;
var self = bind(this);
this.node.find('.ow_photo_preview_x').on('click', self(this.destroySlot));
this.node.find('.ow_photo_preview_rotate').on('click', self(function()
{
var rotate = (this.rotate || 0) + 90;
var rotateStr = 'rotate(' + rotate + 'deg)';
this.rotate = rotate;
this.node.find('.ow_photo_preview_image').css({
"-ms-transform": rotateStr,
"-webkit-transform": rotateStr,
"transform": rotateStr
});
}));
var img = new Image();
img.onload = img.onerror = self(function()
{
this.node.find('.ow_photo_preview_image')
.hide(0, function()
{
$(this)
.css('background-image', 'url(' + img.src + ')')
.removeClass('ow_photo_preview_loading')
.fadeIn(300);
});
OW.trigger('photo.onRenderUploadSlot', [this.editor], this.node);
});
img.src = fileUrl;
});
PhotoFile.prototype.destroySlot = fluent(function()
{
this.node.animate({opacity: 0}, 300, function()
{
this.editor.setValue('');
this.editor.clearHistory();
this.node.remove();
var fileManager = FileManager();
if ( fileManager.cache.hasOwnProperty(this.index) )
{
delete fileManager.cache[this.index];
}
}.bind(this));
if ( this.id !== undf )
{
$.ajax({
url: params.deleteAction,
data: {id: this.id},
cache: false,
type: 'POST'
});
}
});
return PhotoFile;
})();
var FileManager = (function()
{
var instance = null;
function FileManager()
{
if ( instance !== null )
{
return instance;
}
if ( !(this instanceof FileManager) )
{
return new FileManager();
}
this.node = $('#slot-area');
this.files = [];
this.cache = {};
this.isRunned = false;
instance = this;
}
FileManager.prototype.pushFiles = fluent(function( files )
{
if ( !files || !(files instanceof FileList) || files.length === 0 ) return;
this.files = this.files.concat([].slice.call(files));
});
FileManager.prototype.uploadFiles = fluent(function( count )
{
if ( this.isRunned ) return;
var files = this.files.splice(0, (+count || UPLOAD_THREAD_COUNT));
if ( files.length === 0 )
{
this.isRunned = false;
return;
}
this.isRunned = true;
files.forEach(function( file )
{
this.upload(file);
}, this);
});
FileManager.prototype.upload = fluent(function( file )
{
if ( !file || !(file instanceof File) ) return;
var photoFile = PhotoFile(file), self = bind(this);
if ( !photoFile.isAvailableFileSize() )
{
OW.error(OW.getLanguageText('photo', 'size_limit', {
name: photoFile.file.name,
size: (params.maxFileSize / 1048576) // 1024 * 1024 Convert to readable format
}));
this.uploadNewOne();
}
else if ( !photoFile.isAvailableFileType() )
{
OW.error(OW.getLanguageText('photo', 'type_error', {
name: photoFile.file.name
}));
this.uploadNewOne();
}
else
{
var formData = new FormData();
formData.append('file', file);
$.ajax({
isPhotoUpload: true,
url: params.actionUrl,
data: formData,
dataType: 'json',
cache: false,
contentType: false,
processData: false,
type: 'POST',
timeout: 60000,
beforeSend: function( jqXHR, settings )
{
photoFile.createSlot().initHashtagEditor();
},
success: self(function( data, textStatus, jqXHR )
{
if ( data && data.status )
{
switch ( data.status )
{
case 'success':
this.caching(
photoFile.updateSlot(data.fileUrl, data.id)
);
break;
case 'error':
default:
photoFile.destroySlot();
OW.error(data.msg);
break;
}
}
else
{
photoFile.destroySlot();
OW.error(OW.getLanguageText('photo', 'not_all_photos_uploaded'));
}
}),
error: function( jqXHR, textStatus, errorThrown )
{
OW.error(textStatus + ': ' + file.name);
photoFile.destroySlot();
throw textStatus;
},
complete: self(function( jqXHR, textStatus )
{
if ( textStatus === 'success' && jqXHR.responseText.length === 0 )
{
photoFile.destroySlot();
}
this.uploadNewOne();
})
});
}
});
FileManager.prototype.uploadNewOne = fluent(function()
{
this.isRunned = false;
this.uploadFiles(1);
});
FileManager.prototype.caching = fluent(function( photoFile )
{
if ( !(photoFile instanceof PhotoFile) )
{
throw new TypeError('"PhotoFile" required');
}
this.cache[photoFile.index] = photoFile;
});
FileManager.prototype.hasFiles = function()
{
return root.Object.keys(this.cache).length !== 0;
};
FileManager.prototype.destroy = function()
{
instance = null;
};
return FileManager;
})();
var AlbumListManager = (function()
{
function AlbumListManager( form )
{
this.form = form;
this.albumList = $('.ow_dropdown_list', form);
this.albumInput = $('input[name="album"]', form);
this.spinner = $('.upload_photo_spinner', form);
}
AlbumListManager.prototype.bindEvents = fluent(function()
{
var self = bind(this);
this.spinner.add(this.albumInput).on('click', self(function( event )
{
if ( this.albumList.is(':visible') )
{
this.hideAlbumList();
}
else
{
this.showAlbumList();
}
event.stopPropagation();
}));
this.albumList.find('li').on('click', self(function()
{
this.hideAlbumList();
root.owForms['ajax-upload'].removeErrors();
})).eq(0).on('click', self(function()
{
$('.new-album', this.form).show();
this.albumInput.val(root.OW.getLanguageText('photo', 'create_album'));
$('input[name="album-name"]', this.albumForm).val('');
$('textarea', this.albumForm).val('');
})).end().slice(2).on('click', self(function( event )
{
$('.new-album', this.albumForm).hide();
this.albumInput.val($(event.target).data('name'));
$('input[name="album-name"]', this.albumForm).val(this.albumInput.val());
$('textarea', this.albumForm).val('');
}));
$(root.document).on('click',':not(#photo-album-list)', self(function()
{
if ( this.albumList.is(':visible') )
{
this.hideAlbumList();
}
}));
});
AlbumListManager.prototype.hideAlbumList = fluent(function()
{
this.albumList.hide();
this.spinner.removeClass('ow_dropdown_arrow_up').addClass('ow_dropdown_arrow_down');
});
AlbumListManager.prototype.showAlbumList = fluent(function()
{
this.albumList.show();
this.spinner.removeClass('ow_dropdown_arrow_down').addClass('ow_dropdown_arrow_up');
});
return AlbumListManager;
})();
root.OW.bind('base.onFormReady.ajax-upload', function()
{
var getValue = function( key )
{
return function()
{
var value = this.input.value.trim();
if ( value.length === 0 || value === OW.getLanguageText('photo', key).trim() )
{
return '';
}
return value;
};
};
this.getElement('album-name').getValue = getValue('album_name');
this.getElement('description').getValue = getValue('album_desc');
this.bind('submit', function( data )
{
var invitation = OW.getLanguageText('photo', 'describe_photo').trim();
var fileManager = FileManager();
root.Object.keys(fileManager.cache).forEach(function( index )
{
var file = this.cache[index];
var value = (file.description || file.editor.getValue()).trim();
if ( value.length === 0 || value === invitation )
{
data['desc[' + file.id + ']'] = '';
}
else
{
data['desc[' + file.id + ']'] = value;
}
data['rotate[' + file.id + ']'] = file.rotate;
}, fileManager);
});
});
var _a = $('<a>', {class: 'ow_hidden ow_content a'}).appendTo(root.document.body);
root.OW.addCss('.cm-hashtag{cursor:pointer;color:' + _a.css('color') + '}');
_a.remove();
return root.Object.freeze({
init: function()
{
var dropArea = $('#drop-area').off(),
dropAreaLabel = $('#drop-area-label').off(),
uploadInputFile = $('input:file', '#upload-form').off();
var fileManager = new FileManager();
dropArea.add(dropAreaLabel).on({
click: function()
{
uploadInputFile.trigger('click');
},
drop: function( event )
{
event.preventDefault();
fileManager.pushFiles(event.dataTransfer.files).uploadFiles();
dropArea.css('border', 'none');
dropAreaLabel.html(OW.getLanguageText('photo', 'dnd_support'));
},
dragenter: function()
{
dropArea.css('border', '1px dashed #E8E8E8');
dropAreaLabel.html(OW.getLanguageText('photo', 'drop_here'));
},
dragleave: function()
{
dropArea.css('border', 'none');
dropAreaLabel.html(OW.getLanguageText('photo', 'dnd_support'));
}
});
uploadInputFile.on('change', function()
{
fileManager.pushFiles(this.files).uploadFiles();
});
var albumManager = new AlbumListManager($('#photo-album-form'));
albumManager.bindEvents();
OW.bind('photo.onCloseUploaderFloatBox', function()
{
fileManager.destroy();
});
$.ajaxPrefilter(function(options, origOptions, jqXHR)
{
if ( fileManager.isRunned && options.isPhotoUpload !== true )
{
jqXHR.abort();
typeof origOptions.success == 'function' && (origOptions.success.call(options, {}));
typeof origOptions.complete == 'function' && (origOptions.complete.call(options, {}));
}
});
},
isHasData: function()
{
return FileManager().hasFiles();
}
});
function bind( context )
{
return function( f )
{
return f.bind(context);
};
}
function fluent( f )
{
return function()
{
f.apply(this, arguments);
return this;
};
}
}));