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Now that we ve got our key properties laid out, we can concentrate on adding our setup and cleanup code. Add a new subroutine called SetupWorksheet, and add the following code: Public Sub SetupWorksheet() Me.Worksheet.Activate ClearRegion Me.InitialCellSelection.Select End Sub This code corresponds to our original code from our standard module: Set xlSheet = Sheets("Sheet2") xlSheet.Activate Range("A1").Activate Selection.CurrentRegion.Select Selection.ClearContents Range("A1").Select The first and last lines of the SetupWorksheet routine correspond to the first and last lines of our original code. There is a call to a private method called ClearRegion that does the work of the remaining original code: Private Sub ClearRegion() m_xlSheet.Activate Me.DataRegionStart.Activate Selection.CurrentRegion.Select Selection.ClearContents End Sub Add one last function to do our autofit cell formatting, and clean up the worksheet: Public Sub DoAutoFit() Me.Worksheet.Select Me.DataRegionStart.Select Selection.CurrentRegion.Select Selection.Columns.AutoFit Me.InitialCellSelection.Select End Sub By now, I m sure you ve noticed that this code is very similar to the original code in our standard module. The major difference is that rather than referring to specific cells, we are using internal class properties such as Me.DataRegionStart.Select. That s all there is to our cExcelSetup class. Let s create our cData class to populate our worksheet with data. Add the following private module-level variables: Private Private Private Private m_cnn As ADODB.Connection m_rs As ADODB.Recordset m_sConnString As String m_sSQL As String

You want to control how a block handles the situation when its content overflows its bounds horizontally and vertically. CSS provides the overflow property to control how overflowing content is handled. You can set overflow to one of four constant values: visible, hidden, scroll, or auto. The default value is visible. visible allows overflowing content to be rendered outside the containing block. hidden hides the overflowing content and does not provide scrollbars. This prevents a user from scrolling overflowed content into view. scroll clips the overflowing content and provides scrollbars so the user can scroll the overflowed content into view. auto works like scroll except that it shows scrollbars only as needed. SIZED_BLOCK_SELECTOR or SIZED_BLOCK_SELECTOR or SIZED_BLOCK_SELECTOR or SIZED_BLOCK_SELECTOR { overflow:visible; } { overflow:hidden; } { overflow:scroll; } { overflow:auto; }

Understanding hook_user('view')

This design pattern applies to sized block elements that have width and/or height set to a measurement or percentage. Internet Explorer 6 implements overflow:visible incorrectly. Instead of allowing content to overflow the block, it expands the width and/or height of the block to accommodate the content. Internet Explorer 7 fixes this flaw. It is usually best to avoid using overflow:hidden, overflow:scroll, or overflow:auto because users get frustrated when you truncate content or require them to scroll. This property is only needed when you size a block smaller than its content. If you use shrinkwrapped and stretched blocks, you do not need to use this property, and your layouts will dynamically expand as needed to display their content. CSS 3 defines two properties, overflow-x and overflow-y, that can be used in place of overflow. They separately direct how horizontal and vertical overflow should be handled. All major browsers support them except for Opera 9. For example, you can always display one scrollbar, and let the other scrollbar appear as needed using overflow-x:scroll and overflow-y:auto. You could also hide overflow in one dimension and scroll overflow in the other using overflow-x:hidden and overflow-y:scroll.

We ve returned our nonsense value from the class initialization code. Now let s assign values to our properties. Type the following commands into the Immediate window, pressing Enter after each. The first group of commands will set the cEmployee object s properties and the second will retrieve and display them. emp.ID = 15 emp.Name = "John Doe" emp.Title = "Analyst" emp.PhoneNumber = "8885555555" emp.name emp.ID emp.title emp.phonenumber set emp = Nothing Your Immediate window should look like Figure 1-31.

To fit the example on one page, I had to omit some code. The example shows enough HTML to create one of the overflow divisions, and it contains the four CSS overflow rules. Box Model, Inline Box, Table Box ( 4); Width, Height, Stretched ( 5); Atomic ( 6); Screenreader Only ( 10); Nowrap ( 11); Replaced Text ( 14); Sized Columns, Undersized Columns ( 16); Tabs ( 17) www.cssdesignpatterns.com/overflow

hook_user('view') is used by modules to add information to user profile pages (e.g., what you see at http://example.com/ q=user/1; see Figure 6-1).

HTML <h1>Visibility</h1> <p>There is hidden content here: <span class="hidden">CAN YOU SEE ME NOW </span> You can't see it, because it is styled with <code>visibility:hidden</code>, but you can see where it would have been rendered. </p> <p>There is visible content here: <span class="visible">CAN YOU SEE ME NOW </span> You can see it, because it is styled with <code>visibility:visible</code>. </p>

Figure 1-31. cEmployee object with property values set and returned Let s take a look at what s going on here. The first line of code instantiates (or creates) the employee object: Set emp = New cEmployee When that object is created, the Class_Initialize method fires and the default values are set. As mentioned earlier, this is where you would set up any activities or objects your class needs to have in place. Next, a quick check of the Name property is done to see that it is holding your default value in this case the nonsense value NOG. The next four lines set all of the properties of the Employee object with real values: emp.ID = 15 emp.Name = "John Doe" emp.Title = "Analyst" emp.PhoneNumber = "8885555555"