Master Page
A crowd favorite, master pages have emerged as the new "it" thing in SharePoint design. Master pages are a feature of ASP.NET 2.0 and allow you to store common page elements, such as a header, content container, and footer, in a single file. This file is then applied to every content page in your site creating a unified and branded look across the entire site.
The benefits to master pages:
- If your design really deviates from the standard SharePoint look and feel, master pages are for you. They allow for the most finite control over your page design
- Multiple master pages can be created for various site needs, such as home splash screens, sub page designs, regional or divisional designs, etc
- You can assign a master page to an entire site, or to a single page, and several options in between. You have excellent control of where the master page is applied within your site
The potential issues that you need to know about:
- Your custom master page will not reach past your standard web pages and affect the application screens (these are the administrative screens peppered throughout the site; you can pick them out by looking at the URL, they always include "_layouts" in the address). For some sites, especially external facing brochureware sites, this isn't a big deal. For others, especially internal sites and Intranets, this can present an issue
- Creating and editing master pages does require a certain web skill set. You need to know HTML, CSS and be comfortable with ASP.NET and understand what a content placeholder is and how to use them
- CSS only based master page designs are a challenge to create! Short of pitching everything provided to you by the application, you will have tables in your design no matter what, and working around those tables and needs for SharePoint will cause you CSS headaches
How to create a master page
A great way to create master pages is to use SharePoint Designer. Yes you can use other tools, but SharePoint Designer helps create that bridge between you and your SharePoint site and just makes working with the site a heck of a lot easier. Through either SharePoint Designer or the SharePoint site interface you can add and manage master pages in the Master Page Gallery and apply master pages to your site and site pages. To create the file in SharePoint Designer you just do a File / New / SharePoint Content / Master Page. If you don't use SharePoint Designer, you can use the web interface to upload a master page to the Master Page Gallery much like you would upload a document to a SharePoint document library
When you first deploy your base master page, it can be rather alarming since there is no design or layout! That is ok, this is a great way to start your design. Add in your design code to the top of the file, and then locate the content placeholders you need in your design. Move the content placeholder code to the appropriate place in your design code, then hide all of the ones you did not use at the bottom of the file where indicated. It is a puzzle approach and you essentially fit together your code and the SharePoint content placeholders to create your custom master page
Another approach is to start off with a master page that SharePoint provides (for WSS sites it is only default.master, publishing sites include several other master pages) and then modify the code from there. We personally don't like this approach because we think it takes more time to create custom master pages this way, and it limits your creativity. When you look at an existing design and try to morph it into your own, you may very well end up with a site design that looks similar to the original
Using the master page you created
Once the master page has been created, you can do several things with it. Using SharePoint Designer you can set the master page to be used for the site, or you can attach it to a single page. If you have a MOSS site, you can also use the site settings to specify the master page to be used for the site. Make sure you publish your MOSS master page before you use it for testing or production
Themes
Themes are very useful and provide a more lightweight way to brand your SharePoint site. A theme can change the existing colors and images of a site, but not the layout of the elements in the site design. A theme does not include any HTML or ASP.NET code, it is only a collection of image files and CSS files. The theme is applied on top of the site, replacing images and CSS styles in the site, essentially re-skinning the site. Themes can be used alone, or in conjunction with a custom master page
The benefits to themes
- Often a theme can handle your design changes for SharePoint. The web page layout for SharePoint uses the standard formula of header, main navigation across the top and a left navigation area. If your design includes the same layout, you may be able to create your design only with a theme
- Themes can be used to alter a design to create different variations of a design for departments, divisions or regional sub sites
- Themes affect all aspects of a site, including the application screens
The potential issues that you need to know about
- When you apply a theme to a site, any child sites will not inherit the theme application. You have to individually apply the theme to the child sites. This is an out-of-the-box limitation, and like most SharePoint issues, can be worked around programmatically. If this will create an issue, check out some of the solutions available for forcing theme application via Features and other means
- When you make a change to a theme, you have to reapply the theme to the site to see the change
- When working with a theme, you can only utilize existing CSS styles used in the master page (be it your own or the default SharePoint ones). If there are elements on the page that need to be moved, you will have to use positioning in the CSS styles to shift their layout. You can't add CSS IDs or class names, so you are limited to what you can do with what is given to you in the master page code.
How to create a theme
Themes are applied to a site in the Site Settings. When a Theme is applied, a copy of the theme is created in the content database and it pops up in SharePoint Designer. This makes for a great way to develop a Theme. When you make a change to any of the files in SharePoint Designer, it will automatically appear in the site. Because of this, SharePoint Designer is a great platform for custom theme development, but we don't suggest leaving these changes in the content database post development. When another theme is applied to the site, the previous theme is wiped out (including your changes) and the new theme is put in its place
So you can create a custom theme in one of two ways. First, just strike out on your own. You can apply a theme to a site, then open up the CSS file in SharePoint Designer and delete out all of the contents and start writing your own style overrides for the site. Add images in the same way. Or, you can pick a theme that looks similar to your design (if one exists) then make modifications to that theme in SharePoint Designer until the theme looks like your design
Don't forget about the power of CSS. There isn't necessarily a one to one relationship with elements on the page. If there is a CSS class or ID attached to a page element, you can dictate many things about that element just using CSS, such as display, placement and look. Through CSS, you can actually create a lot of modifications to the page
Using the theme you created
After you are done tweaking your theme, you can create a more permanent version that lives on the web server and is available to all sites. How to create a theme is very well documented. On the web server in the 12 directory, you create a copy of an existing theme, modify the INF file, theme directory name, and the SPTHEMES.XML file. Then you can strip out the theme contents, and insert in the CSS and images you created in SharePoint Designer. Recycle the application pool for the SharePoint site or reset IIS, and your custom theme is now available for use
CSS
Really no matter how you brand your SharePoint site, you will be dealing with CSS. In addition to master pages and themes, you can choose to only do CSS and not use master pages or themes as a vehicle for implementation. You can just make CSS changes and tell the SharePoint site to reference the new CSS file
The benefit to CSS only solutions
- The CSS file does not have to live on the SharePoint web server. You can point the CSS reference to anywhere else on the web. This is ideal if you don't have access to your web server
The potential issue that you need to know about
- WSS only sites don't have a site setting to specify an alternative CSS file. You will have to change something else in the site in order to pull in the CSS file. You can modify default.master, or a specific content page like default.aspx, or include it at the page level in a Content Editor Web Part. A more elegant way to handle this issue is to use a theme. If you don't have access to the web server, you can assign a theme to your WSS site, empty out the contents of the theme in SharePoint Designer, then point to or include your custom CSS. Just be sure to keep a back up copy
How to use your custom CSS
MOSS has a nice feature that allows you to specify an alternative CSS file in the Site Settings. If you have multiple files you want to include, just specify one file in the site settings, then use the import declaration in the CSS file to include additional CSS files. If you have a WSS only site, see the bullet point above for options
What about editing CORE.CSS?
Yes, ok you can do this, but we really don't recommend it. Here is why:
- You aren't supposed to edit the default SharePoint files - basic rule of thumb and changes can throw you into an "unsupported state". If you choose to do this anyways, create a back up of Core.css before you make any changes so at anytime you can overwrite your modified file and put yourself back into a supported state
- Core.css is HUGE. 15,000 lines of code kind of huge. We say don't edit this file because dealing with that large of a file is difficult and you will quickly get bogged down trying to keep up with your changes
- Core.css isn't the only CSS file that SharePoint uses. In all, there are 26 CSS files in SharePoint (depending on your installation). So really you aren't looking at making edits to only one CSS file, you will probably get into making tweaks for 1-5 files out of that 26. It really comes down to management of your changes and knowing what was modified where. Make it easy and just create a separate style sheet.
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Excel Services is a new server technology included in MOSS 2007. There are three basic components to Excel Services that interact with each other and together form the overall structural design of Excel Services. These shared services enable you to load, calculate, and display Excel workbooks in a browser without writing any code. You can control which data is displayed and you can maintain a versioning of your Excel workbook. The following article will explain briefly about utilising Excel Service, an advanced MOSS 2007 feature. If you need MOSS 2007 Hosting, you can always contact ASPHostCentral.com as you can always starts from as low as $30.00/month for MOSS 2007 service.
Excel Web Access (EWA) is a Web Part that allows a user to open an Excel workbook in a browser and allows users to interact with the workbook in the browser with the familiarity of the Excel client. It displays and enables interaction with the Microsoft Office Excel workbook in a browser by using Dynamic Hierarchical Tag Markup Language (DHTML) and JavaScript without the need for downloading ActiveX controls or additional software on the client computer. This component can also be connected to other Web Parts on dashboards and other Web Part Pages to provide more advanced capability
Excel Web Services (EWS) is a service used to programmatically access Excel workbooks stored in MOSS 2007. It allows developers to send parameters, retrieve results, and refresh calculations from Excel workbooks stored on a server. This Web service is hosted in MOSS and provides an application programming interface (API) to build custom applications based on the Excel workbook
Excel Calculation Services (ECS) is the “engine” of Excel Services that allows a user to load an Excel workbook from a trusted file location, and execute calculations in Microsoft Office Excel 2007 while it refreshes external data, and maintains sessions. Excel Calculation Services also has the ability to impersonate user credentials when a user accesses a workbook. To configure this you need to set the Windows Authentication option on the Excel Services Advanced Settings page
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