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CSS Tricks and Content Editor Web Part in SharePoint

Posted By:Jean Paul       Posted Date: December 24, 2013    Points: 200    Category: SharePoint    URL: http://www.dotnetspark.com  

In this article I would like to inform you of the usage of the Content Editor Web Part for CSS style manipulations.
 

In this article I would like to inform you of the usage of the Content Editor Web Part for CSS style manipulations.

What is Content Editor Web Part?

The Content Editor Web Part provides Formatted HTML Content for your web page. You can add a content editor web part using the following procedure:

  • Open the Page
  • Choose Site Actions > Edit Page
  • Click on Add Web Part
  • Choose Content > Content Editor Web Part
  • Save changes

You need to have Designer permission level to edit pages. Please ensure you consult your Governance Committee before making changes.

Why we need CSS style changes?

Your customer might require changes in the layout of SharePoint pages. Editing the master page would be a choice but it is much more costly in terms of effort & performance.

The customization requirements will be:

  1. Hiding the Quick Launch from the left side
  2. Highlighting the Page Elements
  3. Modifying the Calendar items display format
  4. Modifying other common style elements

Little about CSS

Cascading Style Sheets allow us to modify the Look & Feel of HTML elements as a whole. For modifying a single element we can use the id property of the element.

For modifying items as a whole, we can use the class property of the element.

Hiding Quick Launch

In this example we can try hiding the Quick Launch from a page. The following are the steps involved:

  1. Find the Quick Launch bar Division Id
  2. Add code to hide the Division in the Content Web Part
  3. Hide the Content Web Part too

To start, open your site that is Okay to be played with:

Hiding-Quick-Launch.jpg

Now you will see the Quick Launch in the page above. We need to find the Division Element Id of the Quick Launch Bar. For this click on the F12 button or open Developer Tools from Internet Explorer. Move the cursor over the Quick Launch bar & click on it. You will get the class name highlighted as in the following:

Hiding-Quick-Launch1.jpg

We are taking the CSS class name highlighted in Green Color. Now edit the Content Editor Web Part and choose the HTML source from the toolbar.

Image3.jpg

Add the following code in the HTML Source:

<style>
               .
s4-notdlg
               {
display: none;
}
</ style >

Please note that the code above hides the Quick Launch Bar by hiding the Division Class. Now save the changes to the page & you will see the Quick Launch is hidden.

But Wait! The solution is not complete. You will see that there is space where the old quick launch was. We can remove that by using the margin-left property of division.

Image4.jpg

For the last step we needed to hide the Content Editor Web Part as well. Choose edit web part and choose the Hidden option from the Layout category.

Image5.jpg

Click the OK button & now you will see that the Quick Launch is hidden.

Ghosting and Unghosting

Ghosting is the state on which pages are rendered from the File System. Unghosting is the stage where the edited pages reside in the database and are rendered from there.

Unghosted pages should reduce performance, but is negligible based on network traffic.

Ghosting-Unghosting.jpg

References

http://tinyurl.com/sp2010-contwp
http://tinyurl.com/sp2010-css
 
Summary

In this article we have explored Content Editor Web Part and CSS style manipulations. To summarize, the following are the points worth keeping in mind:

  1. The Content Editor Web Part allows us to include HTML, CSS, Java Script
  2. We can add CSS code to modify page elements
  3. The Content editor web part can be hidden
  4. Customizing Pages involve slight performance overheads
  5. Unghosting occurs while editing pages
  6. Get approval from SharePoint Governance committee before applying page modificationsv

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