Class Flow

  Object
      Component
          Flow

Direct Known Subclasses:

Surface, View

public class Flow
extends Component

Flow is a container class for other user interface Components. As the name suggests the Flow uses HTML like layout management where child components are laid out to "lines". Components need to have VISIBLE flag in order for them to appear on screen. Contents of this container are accessed and manipulated with:

• Component.size(),
• Component.first()
• Component.last()
• Component.indexOf(Component)
• Component.get(int)
• Component.set(int, Component)
• Component.insert(int, Component)
• Component.add(Component)
• Component.remove(int)
• Component.remove(Component)
• Component.operator_get(int)
• Component.operator_set(int, Component)
• Component.clear()

A line break occurs on the following conditions:

• After a child component if it has LINEFEED flag on.
• With WRAP flag on, the linefeed will occur if the child component would otherwise exceed the space horizontally available space for Flow.

All flags are:

• VISIBLE
• LINEFEED
• WRAP
• FOCUSABLE

Flow has following special style customizations:

• hspacing: Horizontal spacing between components
• vspacing: Vertical spacing between lines
• align: Horizontal alignment controls how the components are aligned on lines and vertical alignment controls how the lines are aligned on the area available for Flow. If vertical alignment is other than TOP it is recommended to have Flow that has explicit height (i.e. Component.setPreferredWidth(int) has been set with != 0 value.

Constructor Summary

Flow(Style style)
Creates a new Flow container.

Method Summary

Methods inherited from class Component

add, appendText, clear, find, first, get, getAction, getData, getElement, getFlags, getImage, getLocation, getParent, getShell, getSize, getStyle, getText, getViewPort, hasLinefeed, indexOf, insert, isFocusable, isShown, isVisible, isWrapping, last, operator_get, operator_set, remove, remove, repaint, set, setAction, setData, setElement, setFlags, setImage, setLocation, setPreferredHeight, setPreferredSize, setPreferredWidth, setStyle, setText, size

Methods inherited from class Object

toString, equals, hashCode

Methods inherited from

equals, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Flow

public Flow(Style style)

Creates a new Flow container.

Parameters:

style - Style to use