/** formAttachments.js **/
function FormAttachments(options,files){this.options=$.extend(true,{},this.defaults,options);this.file_input=$(this.options.file_input);this.maxfilesmessage=$(this.options.maxfilesmessage).insertAfter(this.file_input).hide();this.maxtotalsizemessage=$(this.options.maxtotalsizemessage).insertAfter(this.maxfilesmessage).hide();this.files=files?files:[];this.uploading=false;if(false===this.options.thumbnails){this.thumbnails_pane=$('<div class="thumbnails"></div>').insertBefore(this.file_input)}else{this.thumbnails_pane=$(this.options.thumbnails)}var self=this;this.thumbnails_pane.click(function(e){var clicked=$(e.target);if(clicked.is('a.delete')&&clicked.parent('div').is('.thumb')){e.preventDefault();if(true===self.options.callbacks.preDelete.call(self,clicked)){$.ajax({type:'GET',dataType:'json',url:self.options.delete_url+clicked.attr('rel'),success:function(data){if(true===self.options.callbacks.deleted.call(self,data)){self.files=data;self.buildThumbnails()}},error:function(){self.options.callbacks.error.call(self,'delete_error')}})}return false}});self.buildThumbnails()};FormAttachments.prototype.upload=function(file_input){file_input=file_input?file_input:this.file_input;if(this.options.maxfiles&&this.options.maxfiles<=this.files.length){this.options.callbacks.error.call(this,'max_files_uploaded')}else if(this.options.maxtotalsize&&this.options.maxtotalsize<=this.getSize()){this.options.callbacks.error.call(this,'max_filesize_exceeded')}else if(true===this.options.callbacks.preUpload.call(this,file_input)){var self=this;this.uploading=true;$(file_input).ajaxUpload({file_types:this.options.file_types,url:this.options.url,placeholder:this.options.placeholder,error:function(msg,data,file,placeholder){this.uploading=false;if(true===self.options.callbacks.error.call(self,msg,data)){var new_file=self.file_input.clone(true).val('').insertBefore(self.file_input);self.file_input.remove();self.file_input=new_file}if(placeholder.length){self.file_input.insertAfter(placeholder);placeholder.remove()}return false},success:function(data,file,placeholder){self.uploading=false;files=eval('('+data+')');if(files){if(true===self.options.callbacks.uploaded.call(self,files)){self.files=files;self.buildThumbnails();var new_file=self.file_input.clone(true).val('').insertBefore(self.file_input);self.file_input.remove();self.file_input=new_file}self.file_input.insertAfter(placeholder);placeholder.remove()}else{this.options.callbacks.error.call(self,'invalid_data',data)}return false},timeout:self.options.timeout})}};FormAttachments.prototype.buildThumbnails=function(files){var self=this,counter=0;files=files?files:this.files;this.thumbnails_pane.children().remove();$.each(files,function(i){var div=[],thumb,zoom,ext=this.name.substr(this.name.lastIndexOf('.')+1).toLowerCase();if($.inArray(ext,self.options.img_types)!=-1){thumb=this.thumb_url?this.thumb_url:self.options.fileprefix_thumb+this.tmp_name;zoom=this.zoom_url?this.zoom_url:self.options.fileprefix_zoom+this.tmp_name}div.push('<div class="thumbwrapper">');div.push('<div title="'+this.name+'" class="thumb'+(thumb?'':' no_thumb')+' filetype_'+ext+'" style="');if(thumb){div.push('background-image: url('+thumb+');')}div.push('">');div.push('<a class="delete" href="#" title="Delete" rel="'+i+'">Delete</a>');if(zoom){div.push('<a class="zoom" href="'+zoom+'" target="_blank" title="Zoom">Zoom</a>')}div.push('</div>');div.push('</div>');$(div.join("")).appendTo(self.thumbnails_pane);counter+=1});if(true===self.options.callbacks.postBuildThumbnails.call(self)){if((self.options.maxfiles&&self.options.maxfiles<=counter)||(self.options.maxtotalsize&&self.options.maxtotalsize<=this.getSize())){self.file_input.hide();(self.options.maxfiles&&self.options.maxfiles<=counter)?self.maxfilesmessage.show():self.maxfilesmessage.hide();(self.options.maxtotalsize&&self.options.maxtotalsize<=this.getSize())?self.maxtotalsizemessage.show():self.maxtotalsizemessage.hide()}else{self.file_input.show();self.maxfilesmessage.hide();self.maxtotalsizemessage.hide()}}};FormAttachments.prototype.getSize=function(){var size=0;$.each(this.files,function(i){size+=this.size});return size};FormAttachments.prototype.defaults={fileprefix_thumb:'/',fileprefix_zoom:'/',file_input:'#file_upload',thumbnails:false,placeholder:'<div class="placeholder"></div>',file_types:[],img_types:['jpg','jpeg','gif','png'],url:'',delete_url:'',maxfiles:0,maxfilesmessage:'<div class="maxfilesmessage">Maximum files uploaded</div>',maxtotalsize:0,maxtotalsizemessage:'<div class="maxtotalsizemessage" style="height: 21px;">Maximum filesize exceeded</div>',callbacks:{postBuildThumbnails:function(){return true},error:function(code,msg){switch(code){case'timeout_expired':alert('Timeout verstreken.');break;case'invalid_extension':alert('Bestandstype niet toegestaan.');break;case'invalid_data':alert('De server gaf een ongeldig antwoord terug');break;default:alert('Kon het bestand niet uploaden '+msg)}return true},preDelete:function(){return true},deleted:function(){return true},uploaded:function(){return true},preUpload:function(file_input){return true}},timeout:180000};