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Using other CCK field types

From: Drupal 6: Online Presentation of Data

Video: Using other CCK field types

Now we are going to expand the kinds of data we can put into our Drupal site by turning on some extra modules. We'll use one module that comes with CCK but we'll also need to download and install another one and we'll briefly mention a third. We'll put a slide with all the web addresses you will need at the end. And as always if you have trouble installing modules, see the video in lynda.com's Drupal Essential Training course, "Expanding your Site's Capabilities with Modules." You might remember that when we first installed and enabled CCK, the only field type we made available was called text. Now let's turn on the other field type that comes with CCK, Number. To do so go to Administer > Site building, and Modules. You will see the CCK group right near the top, go down, select Number, then down to the end of the page and click Save configuration.

Using other CCK field types

Now we are going to expand the kinds of data we can put into our Drupal site by turning on some extra modules. We'll use one module that comes with CCK but we'll also need to download and install another one and we'll briefly mention a third. We'll put a slide with all the web addresses you will need at the end. And as always if you have trouble installing modules, see the video in lynda.com's Drupal Essential Training course, "Expanding your Site's Capabilities with Modules." You might remember that when we first installed and enabled CCK, the only field type we made available was called text. Now let's turn on the other field type that comes with CCK, Number. To do so go to Administer > Site building, and Modules. You will see the CCK group right near the top, go down, select Number, then down to the end of the page and click Save configuration.

Let's take a quick look at what at we get by turning on that Number module. So we don't affect any of our other work, this will just be a temporary content type that we'll create and we'll throw it away later. To do so we go to Administer > Content management > Content types. Add a new content type and as we did in another video, we'll call this Temp. Scroll to the bottom and save that content type. In that temp content type, go to Manage fields and as before you can add new fields.

Let's add a new field, we'll just call and Number field and the field will be called number_field. Then when we go to our Select a field type, we now have several additional choices. Three of these have to do with numbers. Decimal and Float both allow for you to have number such as 5.6. They have technical differences, which have to do with mathematics, and if you don't know the difference then Decimal should be just fine for you. Integer allows only whole numbers, 1, 2, 3, -5, and so forth. Let's make ours Decimal for now. And in our form element, we'll keep it as a text field. That makes the most sense for something that's a number value. Scroll to the bottom and Save.

Drupal as with most computer systems handles number information a little bit differently from text information and that's because it is basically different information. Text strings don't really have a value. They have a sort of lexical meaning but not a value in the sense that one is bigger than the other. Number fields however do have a value and if you scroll down, you will see some options that let you control that value. For example, you can set a Minimum and Maximum. If someone were to enter a number that's bigger or smaller than you specified, Drupal would just kick it out.

They wouldn't let them save that node that they created. You can also set the Precision and the Scale. That has to do with the total number of digits in a decimal number, and you can read the Help text on that if you need any help for it. You can also change what the Decimal Marker is, should it be a point as it is in the United States, or a comma as it is in some European countries and so forth. Finally, you can add a Prefix or Suffix. That's very useful for number values because it allows you to do such things as create dollar amounts. You could have a prefix of the dollar sign and allow only two digits after the decimal point, so $3.52 but not $3.529. We'll just save the fields as it is now.

As always if we want to see exactly how this works, we'll create a content node of that content type Temp, and as we scroll down we see there is our Number field.

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This video is part of

Image for Drupal 6: Online Presentation of Data
Drupal 6: Online Presentation of Data

50 video lessons · 11224 viewers

Tom Geller
Author

 
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  1. 12m 56s
    1. Welcome
      1m 12s
    2. Reviewing requirements
      3m 35s
    3. Using the exercise files
      3m 11s
    4. Touring examples of data visualization
      4m 58s
  2. 27m 56s
    1. Planning data structure
      8m 26s
    2. Importing and manipulating data
      6m 40s
    3. Looking at Drupal's database
      6m 13s
    4. Deciding whether to store personal data as nodes or users
      6m 37s
  3. 1h 13m
    1. Understanding the Content Construction Kit (CCK)
      4m 57s
    2. Creating new content types with CCK
      7m 26s
    3. Hiding the Body field
      2m 46s
    4. Reflecting CCK field data in the Title field
      7m 28s
    5. Managing CCK field placement
      7m 34s
    6. Exploring CCK's other features
      8m 22s
    7. Using other CCK field types
      3m 25s
    8. Adding date information as a CCK field
      8m 43s
    9. Including images as CCK fields
      10m 23s
    10. Connecting content to existing nodes
      5m 58s
    11. Using taxonomies to categorize and group data
      5m 59s
  4. 53m 54s
    1. Understanding why views are useful
      6m 12s
    2. Using SimpleViews to create basic content views
      5m 49s
    3. Diving into the Views interface
      11m 16s
    4. Adding fields to a view
      7m 12s
    5. Understanding iconic controls in the Views interface
      7m 15s
    6. Surveying the Sort, Filter, and Field options in Views
      5m 40s
    7. Adding view displays as pages, blocks, and RSS feeds
      10m 30s
  5. 43m 34s
    1. Overriding default settings on view displays
      8m 56s
    2. Attaching more information to views
      10m 57s
    3. Improving view appearances with grid, list, and table formatting
      9m 20s
    4. Surveying other basic display settings in Views
      11m 3s
    5. Altering a view's appearance through CSS
      3m 18s
  6. 55m 8s
    1. Importing, exporting, and cloning views
      6m 9s
    2. Controlling access to views
      7m 19s
    3. Learning from built-in views
      5m 52s
    4. Creating views that aren't based on nodes
      10m 6s
    5. Extending views with arguments
      10m 17s
    6. Extending views with relationships
      7m 2s
    7. Going further with relationships
      8m 23s
  7. 46m 40s
    1. Understanding geographic data
      4m 26s
    2. Setting up the Location module
      16m 20s
    3. Entering geographic data with the Location module
      10m 10s
    4. Displaying basic maps with the GMap module
      6m 43s
    5. Integrating the GMap module with Views
      9m 1s
  8. 54m 21s
    1. Exporting data in tabular form
      11m 25s
    2. Planning with the calendar modules
      11m 31s
    3. Using the Charts module and Google Charts
      7m 11s
    4. Graphing data with Open Flash Chart
      4m 50s
    5. Making important data pop out with tag clouds
      7m 46s
    6. Putting it all together in an attractive package
      11m 38s
  9. 36s
    1. Conclusion
      36s

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