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Managing Content in Alfresco |
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Managing Content in Alfresco
This section uses the space you have already created as a part of your Intranet sample application. As a part of sample application, you will manage content in the Intranet | Marketing Communications space. As you have secured this space earlier, only the administrator (admin) and users belonging to the Marketing group (Peter Marketing and Harish Marketing) can add content in this space. You can log in as Peter Marketing to manage content in this space. Create ContentThe web client provides two different interfaces for adding content: one to create inline editable content such as HTML, Text, and XML and the other to add binary content such Microsoft office files and scanned images. You need to have the Administrator, Contributor, Collaborator, Coordinator role on a space to create content within that space. Creating Text Documents—HTML, Text, and XMLTo create an HTML file in a space, follow the steps given below:
   You can launch the newly created HTML file by clicking on it. Your browser launches most of the common files such as HTML, text, and PDF. If the browser could not recognize the file, you will be prompted with the Windows dialog box containing the list of applications, from which you must choose an application. This is the normal behavior if you try to launch a file on any Internet page. Uploading Binary Files—Word, PDF, Flash, Image, and MediaUsing the web client, you can upload content from your hard drive. Choose a file from your hard disk that is not an HTML or text file. I chose Alfresco_CIGNEX.doc from my hard disk for the sample application. Ensure that you are in the Intranet | Marketing Communications | Switch to open source ECM | 02_Drafts space. To upload a binary file in a space, follow the steps given below:
 The file that you uploaded appears in the Content Items pane. Alfresco extracts the file size from the properties of the disk file, and includes the value in the size row. Now that you have two files, you can edit them as you like. Edit ContentUsing the web client you can edit the files that you have added previously. Note that you need to have edit permissions on the content to edit them Inline Editing of HTML, Text, and XMLHTML files and plain text files can be created and edited inline. Each file type is edited in its own WYSIWYG editor. If you have edit access to a file, you will notice a small pencil (edit) icon as shown in the screenshot below. Clicking on the pencil icon will open the file in its editor.  This article has been extracted from: Alfresco Enterprise Content Management Implementation
Upload an Updated Binary FileIf you have edit access to a binary file, you will notice the Update action icon in the more actions link as shown in the screenshot below. On clicking on the update icon, the update pane opens. Click on the Browse button to upload the updated version of the document from your hard disk.  Content will have clickable actions as shown in the screenshot on the next page. These clickable actions (icons) will be dynamically generated for a content based on the current user's permissions for that content. For example, if you have copy permission for the content, you will notice a copy icon as a clickable action for that content.  Delete ContentClick on the Delete action, from the list of content actions, to delete the content. Move or Copy Content Using the ClipboardFrom the list of content actions as shown in the previous screenshot, you can click on the Cut action to move the content to the clipboard. Now you can navigate to any space hierarchy and paste this particular content as required. Similarly, you can use the Copy action to copy the content to another space. Create a Shortcut to Content for Quick AccessIf you have to access particular content very frequently, you can create a shortcut (similar to a browser favorite) to that content to reach the content in one click. From the list of content actions as shown in the View Details page, you can click on the Create Shortcut action to create a short cut to the existing content. Shortcuts are listed in the left-hand side Shelf. Managing Content PropertiesEvery content item in Alfresco will have properties associated with it. Refer to the screenshot on the tenth page to see the list of properties such as Title, Description, Author, Size, and Creation Date. These properties are associated with the actual content file Alfresco_CIGNEX.doc. The content properties are stored in the relational database and are searchable using advanced search options. What is Content Metadata?Content properties are also known as Content Metadata. Metadata is structured data, which describes the characteristics of content. It shares many similar characteristics with the cataloguing that takes place in libraries. The term Meta derives from the Greek word denoting a nature of a higher order or more fundamental kind. A metadata record consists of a number of pre-defined elements representing specific attributes of content, and each element can have one or more values. Metadata is a systematic method for describing resources, and thereby improving access to them. If access to the content will be required, then it should be described using metadata, so as to maximize the ability to locate it. Metadata provides the essential link between the information creator and the information user. While the primary aim of metadata is to improve resource discovery, metadata sets are also being developed for other reasons, including:
Metadata ExtractorsTypically, in most content management systems, once you upload the content file, you need to add the metadata (properties) such as title, description, and keywords to the content manually. Most of the content such as Microsoft Office documents, media files, and PDF documents contain properties within the file itself. Hence, it is a duplicated effort having to enter those values again in the content management system along with the document. Alfresco provides built-in metadata extractors for popular document types to extract the standard metadata values from a document and populate the values automatically. This is very useful if you are uploading the documents through FTP, CIFS, or WebDAV interface, where you do not have to enter the properties manually, as Alfresco will transfer the document properties automatically. Editing MetadataTo edit metadata, you need to click the edit metadata icon Adding Additional PropertiesAdditional properties can be added to the content in two ways. One way is to extend the data model and define more properties in a content type. The other way is to dynamically attach the properties and behavior through Aspects. Using aspects, you can add additional properties such as Effectivity, Dublin Core Metadata, and Thumbnailable to the content. SummaryYou can customize Alfresco features such as smart spaces, library services, and security to implement your enterprise document management requirements. Various interfaces such as web client, CIFS, FTP, and WebDAV can be used to manage content in the Alfresco repository. The content can be edited on your local desktop using your choice of favorite content editors. You can also use tools to migrate your existing content and to do bulk upload and retrieval of content. This article has been extracted from: Alfresco Enterprise Content Management Implementation
About the AuthorMunwar Shariff is the CTO and VP of Business Development at CIGNEX. CIGNEX is the leading provider of open-source Enterprise Content Management (ECM) solutions for businesses and government agencies. He has worked as the chief architect and manager of engineering teams for 15 years in the areas of system software, Internet applications, and mobile commerce applications for customers in the United States, Japan, Germany, and India. He is an expert in Content Management Systems (CMS). Since co-founding CIGNEX in late 2000, he has successfully delivered more than 50 CMS applications using various open-source technologies. He has written a number of articles on open-source CMS; he is an experienced trainer and a frequent speaker at conferences related to this topic. Munwar earned his MS in Digital Electronics and Advanced Communications from REC Surathkal, India. Munwar is the co-author of the book on the Plone Open Source Content Management System called Plone Live. Books from Packt
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As furniture is a key element, every item of furniture that we add to the scene increases the level of detail, and the sense of realism. We can classify furniture into two : internal and external furniture. With the first type, we have all the objects that populate our interior scenes such as sofas, beds, and chairs. The second type refers to items of urban furniture such as cars, fountains, and fences. This kind of modeling deals with smaller scales, and because of this, sometimes, we have to work at a more detailed level than we are used to. This can cause the modeling process to take a bit longer than usual, but only if we need to create a good level of detail for our models. In this type of modeling, we will use the concept of level of detail again. Another interesting thing about furniture is that we can keep the models that we create to build a good library. In this article by Allan Brito,we will learn how to add previously created furniture into new projects, decreasing the time needed to fill up the scene with furniture, with a good 3D models library. We even can download or buy models on the Internet. The only thing that we will have to do in this case is import the model into our scene. See More |
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in the content details view. Refer to the edit metadata icon shown in the screenshot that shows the detailed view of the file Alfresco_CIGNEX.doc. You can update the metadata values such as Name and Description for your content items. However, certain metadata values such as Creator, Created Date, Modifier and Modified Date are read-only and you cannot change them. Certain properties such as Modifier and Modified Date will be updated by Alfresco automatically, whenever the content is updated.
