Mig-infocom MiG Calendar Tutorial Manual do Utilizador descarregar pdf (Página 15)

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The above paragraph describes what happens within one level. Since

activities can be divided into layers, a lower level will be laid

completely before the next level is laid out. The occupied rectangles

will be cleared between layers making them visually overlap. In short

one layout cycle will be made for every layer (see

Activity.getLayerIndex()) that has at least one

Activity.

This flexibility is needed to accommodate for the possibility to have,

for instance, background images for Christmas, normal date range

rectangles for most activities and maybe icons for alarms and

reminders.

Implementations of interface ActivityLayoutBroker

(DefaultDateArea is one) will decide which activities is laid out

by which ActivityLayouts. The default implementation decides

upon whether the activity's layout context

(Activity.getLayoutContext()) matches the installed

layout's. The ActivityLayoutBroker and the Activity thus

cooperates in this process.

Three ActivityLayout implementations are included by default.

• FlexGridLayout lays out in a grid or flow like formation. It is

hight customizable, even trough a Theme.

• TimeBoundsLayout lays out the views according to their exact

or rounded dates and times in the DateGrid. Overlapping date

ranges are handled and the overlap can be specified both absolute

or relative. The size in the secondary dimension is also very

flexible with min/preferred/max size that can be absolute or relative

to the available bounds for the GridRow.

• HideLayout can be used to hide views with certain properties.

Currently the duration is evaluated. It can for instance hide activity

views that spans more than one day or is less than on hour.

The layout framework in MiG Calendar is very flexible though you will

probably just install the layout that you need and that's it. It it probably

even simpler, you just configure one or more layouts in the GUI

Theme Editor and everything is handled automatically!

Decorators – layered painting

Decorators is used to paint in both the DefaultDateArea and

AbstactDateHeader and its sub classes. Decorators are very

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