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Merge pull request #4513 from guerler/ftp_uploader
Allow users to upload multiple FTP files within a single request
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /** Contains helpers to limit/lazy load views for backbone views */ | ||
| define([], function() { | ||
| return Backbone.View.extend({ | ||
| initialize: function( options ) { | ||
| var self = this; | ||
| this.$container = options.$container; | ||
| this.collection = options.collection; | ||
| this.new_content = options.new_content; | ||
| this.max = options.max || 50; | ||
| this.content_list = {} | ||
| this.$message = $( '<div/>' ).addClass( 'ui-limitloader' ).append( '...only the first ' + this.max + ' entries are visible.' ); | ||
| this.$container.append( this.$message ); | ||
| this.listenTo( this.collection, 'reset', this._reset, this ); | ||
| this.listenTo( this.collection, 'add', this._refresh, this ); | ||
| this.listenTo( this.collection, 'remove', this._remove, this ); | ||
| }, | ||
|
|
||
| /** Checks if the limit has been reached */ | ||
| _done: function() { | ||
| var done = _.size( this.content_list ) > this.max; | ||
| this.$message[ done ? 'show' : 'hide' ](); | ||
| return done; | ||
| }, | ||
|
|
||
| /** Remove all content */ | ||
| _reset: function() { | ||
| _.each( this.content_list, function( content ) { | ||
| content.remove(); | ||
| }); | ||
| this.content_list = {}; | ||
| this.$message.hide(); | ||
| }, | ||
|
|
||
| /** Remove content */ | ||
| _remove: function( model ) { | ||
| var model_id = model.id; | ||
| var content = this.content_list[ model_id ]; | ||
| if ( content ) { | ||
| content.remove(); | ||
| delete this.content_list[ model_id ]; | ||
| } | ||
| this._refresh(); | ||
| }, | ||
|
|
||
| /** Refreshes container content by adding new views if visible */ | ||
| _refresh: function() { | ||
| if ( !this._done() ) { | ||
| for ( var i in this.collection.models ) { | ||
| var model = this.collection.models[ i ]; | ||
| var view = this.content_list[ model.id ]; | ||
| if ( !this.content_list[ model.id ] ) { | ||
| var content = this.new_content( model ); | ||
| this.content_list[ model.id ] = content; | ||
| if ( this._done() ) { | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| }); |
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