DoubleClick
|
| Description |
This fucntion works out the maximum width of the column
and resizes the column to fit this size.
|
| Return |
(none)
|
| Access |
public
|
| Arguments |
| Argument |
DataType |
Description |
| as_Name |
string |
The name of the column header double clicked. |
|
| Usage |
this.DoubleClick( 'ken_t' )
|
DuplicateColumn
|
| Description |
Resize a column to be the same width as the specified
column.
|
| Return |
(none)
|
| Access |
public
|
| Arguments |
| Argument |
DataType |
Description |
| ai_FromGap |
integer |
Columns whose width we want to use.
|
| ai_ToGap |
integer |
Column that want the new width. |
|
| Usage |
nsdw_lv.DuplicateColumns( 6, 2 )
|
ExtractColumns
|
| Description |
Extract the internal column width settings from the
string created by the SaveColumns function and
view and return them in an encoded string.
|
| Return |
integer
The number of column widths extracted from the string.
|
| Access |
protected
|
| Arguments |
| Argument |
DataType |
Description |
| as_Widths |
string |
encoded string to remove the settings from.
|
| ai_Widths[] |
integer |
Reference variable to load the widths into.
|
|
| Usage |
li_Widths = lnca_lv.ExtractColumns( as_Cols, li_Width )
|
FindGap
|
| Description |
Figure out if the mouse is positioned over a gap in the
column headers. If it is then switch the mouse pointer.
|
| Return |
(none)
|
| Access |
protected
|
| Arguments |
| Argument |
DataType |
Description |
| xpos |
integer |
X Position of the mouse. |
|
| Usage |
nsdw_LV.FindGap( xpos )
|
idw_parent
|
| Description |
This function overrides the ancestor function so that we
can interagate the datawindow and cache some values for
later use. This function is called automatically by the
datawindow manager. Function gets all the header text items, ending in _t
and check that they have matching columns. Load them
into an array then sort them in to ascending sequence.
Then calculate where the gaps are. NOTE THIS ROUTINE
ASSUMES THE DATAWINDOW UNITS ARE PIXELS!
|
| Return |
(none)
|
| Access |
public
|
| Arguments |
| Argument |
DataType |
Description |
| adw_dw |
datawindow |
Datawindow being processed by the manager. |
|
| Usage |
lsdw_Col.idw_Parent( adw_DW )
|
LoadColumns
|
| Description |
Load the columns widths create by the savecolumns
function back into the datawindow.
|
| Return |
integer
1 all loaded ok
-1 load failed
|
| Access |
public
|
| Arguments |
| Argument |
DataType |
Description |
| as_Widths |
string |
The encoded width string containing the column
widths. |
|
| Usage |
lsdw_LV.LoadColumns( ls_Widths )
|
MouseResize
|
| Description |
Call the resize columns function.
|
| Return |
(none)
|
| Access |
protected
|
| Arguments |
| Argument |
DataType |
Description |
| xpos |
integer |
X Position of the mouse drag that resized the
columns. |
|
| Usage |
nsdw_lv.MouseResize( 600 )
|
ParentWindow
|
| Description |
Insulation function used to return the parent window of
the datawindow. You should override this function with
your class library specific code.
|
| Return |
window
Handle of the datawindow's parent window
|
| Access |
protected
|
| Arguments |
none
|
| Usage |
lw_Win = this.ParentWindow()
|
Perform
|
| Description |
This function recieves the notification of the events
from the datawindow. The code is kept to a minimum
because we will be recieveing mousemove notifications of
which there will be loads so we need to execute this
function as quickly as possible.
|
| Return |
integer
-1, error occured
0, no processing
1, event was processed
|
| Access |
public
|
| Arguments |
| Argument |
DataType |
Description |
| as_Event |
string |
Event that occured
|
| aa_Args[] |
any |
Arguments to the event |
|
| Usage |
lsdw_Cols.Perform( 'clicked', la_Args )
|
releasecapture
|
| Description |
Release the mouse capture.
|
| Return |
(none)
|
| Access |
protected
|
| Arguments |
none
|
| Usage |
none
|
ResizeColumns
|
| Description |
Resize the two columns to the new location the left hand
column's width should be X to the new pos if the new pos
< x then = 0 the right hand column X and width should
change to be the difference between current and new. We
always recalc from scratch as we may have missed some
mouse move events due to queue overflow.
|
| Return |
(none)
|
| Access |
protected
|
| Arguments |
| Argument |
DataType |
Description |
| xpos |
integer |
X Position of the mouse drag that resized the
columns.
|
| ai_col |
integer |
Column that was resized. |
|
| Usage |
nsdw_lv.ResizeColumns( 6, 2 )
|
SaveColumns
|
| Description |
Extract the internal column width settings and return
them in an encoded string.
|
| Return |
string
An encoded string containing the columns widths
|
| Access |
public
|
| Arguments |
none
|
| Usage |
ls_ColWidths = lsdw_LV.SaveColumns()
|
setcapture
|
| Description |
Capture all mouse movements.
|
| Return |
(none)
|
| Access |
protected
|
| Arguments |
none
|
| Usage |
none
|
setparentwindow
|
| Description |
none
|
| Return |
(none)
|
| Access |
public
|
| Arguments |
| Argument |
DataType |
Description |
| aw_W |
window |
|
|
| Usage |
none
|
