Mig-infocom MiG Calendar Tutorial Instrukcja Użytkownika Pobierz pdf (Strona 11)

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To encapsulate all segments for a grid a GridSegmentSpec object

is used. It is basically a group of GridSegments, with some simple

to use constructors. It describes one dimension of the Grid, for

instance the primary dimension.

Grid lines

Quite similar are the specification for the grid lines. They also can be

of any size (width), even individually. The

GridLineRepetitionSpec interface extends the

RepetitionSpec which describes a generic way to specify

repetitions. There are two concrete classes that implements

GridLineRepetitionSpec, one very flexible () and the other

which are really simple to use. It is easy to create specifications like:

'Make every other grid line 2 pixels and the rest 1 pixel, but make the

first and last 0 pixels. Set the Color to black for the thick ones and

gray for the small ones.

Sub grid rows

If the grid is divided into Categorys every GridRow can even

contain sub rows (which is are also GridRows). Every one of these

sub-grid rows will filter which activities it accepts. This filter system is

very flexible. See Categories below. Note that an ActivityView

that exists in more than one GridRow (because more than one row

accepts it) will have multiple bounds and is not implemented through

multiple ActivityViews. The sub grid row implementation is really

a tree structure. Rows can be in row, that can be in rows, and so on.

Sub grid rows don't have to be denoting categories, they can be used

to filter on anything, but categories are the most common usage. Set

the getting started guide for more information on sub rows and

categories.

Activities and ActivityViews

Activity class

An Activity is something that has a start and end date/time. It

implements the functionality of the Event keyword in the iCalendar

specification, but it is broader in context. It can have a number of

properties, mapped with keys, much like a normal Map. It can be

recurring and have some additional attributes such as creation time

and last modified information.

ActivityView class

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Mig-infocom MiG Calendar Tutorial Instrukcja Użytkownika Strona 11