Class MigLayout

java.lang.Object
com.codename1.ui.layouts.Layout
com.codename1.ui.layouts.mig.MigLayout

public final class MigLayout extends Layout

A very flexible layout manager.

Read the documentation that came with this layout manager for information on usage.

Deprecated
  • Constructor Details

    • MigLayout

      public MigLayout()
      Constructor with no constraints.
    • MigLayout

      public MigLayout(String layoutConstraints)

      Constructor.

      Parameters
      • layoutConstraints: @param layoutConstraints The constraints that concern the whole layout. null will be treated as "".
    • MigLayout

      public MigLayout(String layoutConstraints, String colConstraints)

      Constructor.

      Parameters
      • layoutConstraints: @param layoutConstraints The constraints that concern the whole layout. null will be treated as "".

      • colConstraints: @param colConstraints The constraints for the columns in the grid. null will be treated as "".

    • MigLayout

      public MigLayout(String layoutConstraints, String colConstraints, String rowConstraints)

      Constructor.

      Parameters
      • layoutConstraints: @param layoutConstraints The constraints that concern the whole layout. null will be treated as "".

      • colConstraints: @param colConstraints The constraints for the columns in the grid. null will be treated as "".

      • rowConstraints: @param rowConstraints The constraints for the rows in the grid. null will be treated as "".

    • MigLayout

      public MigLayout(LC layoutConstraints)

      Constructor.

      Parameters
      • layoutConstraints: @param layoutConstraints The constraints that concern the whole layout. null will be treated as an empty constraint.
    • MigLayout

      public MigLayout(LC layoutConstraints, AC colConstraints)

      Constructor.

      Parameters
      • layoutConstraints: @param layoutConstraints The constraints that concern the whole layout. null will be treated as an empty constraint.

      • colConstraints: @param colConstraints The constraints for the columns in the grid. null will be treated as an empty constraint.

    • MigLayout

      public MigLayout(LC layoutConstraints, AC colConstraints, AC rowConstraints)

      Constructor.

      Parameters
      • layoutConstraints: @param layoutConstraints The constraints that concern the whole layout. null will be treated as an empty constraint.

      • colConstraints: @param colConstraints The constraints for the columns in the grid. null will be treated as an empty constraint.

      • rowConstraints: @param rowConstraints The constraints for the rows in the grid. null will be treated as an empty constraint.

  • Method Details

    • findType

      public static <E> E findType(Class<E> clazz, Component comp)
    • getLayoutConstraints

      public Object getLayoutConstraints()

      Returns layout constraints either as a String or net.miginfocom.layout.LC depending what was sent in to the constructor or set with #setLayoutConstraints(Object).

      Returns
      Returns:
      The layout constraints either as a String or net.miginfocom.layout.LC depending what was sent in to the constructor or set with #setLayoutConstraints(Object). Never null.
    • setLayoutConstraints

      public void setLayoutConstraints(Object constr)

      Sets the layout constraints for the layout manager instance as a String.

      See the class JavaDocs for information on how this string is formatted.

      Parameters
      • constr: @param constr The layout constraints as a String pr net.miginfocom.layout.LC representation. null is converted to "" for storage.
      Throws
      • RuntimeException: if the constraint was not valid.
    • getColumnConstraints

      public Object getColumnConstraints()

      Returns the column layout constraints either as a String or net.miginfocom.layout.AC.

      Returns
      Returns:
      The column constraints either as a String or net.miginfocom.layout.AC depending what was sent in to the constructor or set with #setColumnConstraints(Object). Never null.
    • setColumnConstraints

      public void setColumnConstraints(Object constr)

      Sets the column layout constraints for the layout manager instance as a String.

      See the class JavaDocs for information on how this string is formatted.

      Parameters
      • constr: @param constr The column layout constraints as a String or net.miginfocom.layout.AC representation. null is converted to "" for storage.
      Throws
      • RuntimeException: if the constraint was not valid.
    • getRowConstraints

      public Object getRowConstraints()

      Returns the row layout constraints either as a String or net.miginfocom.layout.AC.

      Returns
      Returns:
      The row constraints either as a String or net.miginfocom.layout.AC depending what was sent in to the constructor or set with #setRowConstraints(Object). Never null.
    • setRowConstraints

      public void setRowConstraints(Object constr)

      Sets the row layout constraints for the layout manager instance as a String.

      See the class JavaDocs for information on how this string is formatted.

      Parameters
      • constr: @param constr The row layout constraints as a String or net.miginfocom.layout.AC representation. null is converted to "" for storage.
      Throws
      • RuntimeException: if the constraint was not valid.
    • getConstraintMap

      public Map<Component, Object> getConstraintMap()

      Returns a shallow copy of the constraints map.

      Returns

      A shallow copy of the constraints map. Never null.

    • setConstraintMap

      public void setConstraintMap(Map<Component, Object> map)

      Sets the constraints map.

      Parameters
      • map: The map. Will be copied.
    • getComponentConstraints

      public Object getComponentConstraints(Component comp)

      Returns the component constraints as a String representation. This string is the exact string as set with Object) or set when adding the component to the parent component.

      See the class JavaDocs for information on how this string is formatted.

      Parameters
      • comp: The component to return the constraints for.
      Returns
      Returns:
      The component constraints as a String representation or null if the component is not registered with this layout manager. The returned values is either a String or a net.miginfocom.layout.CC depending on what constraint was sent in when the component was added. May be null.
    • setComponentConstraints

      public void setComponentConstraints(Component comp, Object constr)

      Sets the component constraint for the component that already must be handled by this layout manager.

      See the class JavaDocs for information on how this string is formatted.

      Parameters
      • constr: @param constr The component constraints as a String or net.miginfocom.layout.CC. null is ok.

      • comp: The component to set the constraints for.

      Throws
      • RuntimeException: if the constraint was not valid.

      • IllegalArgumentException: @throws IllegalArgumentException If the component is not handling the component.

    • isManagingComponent

      public boolean isManagingComponent(Component c)

      Returns if this layout manager is currently managing this component.

      Parameters
      • c: @param c The component to check. If null then false will be returned.
      Returns

      If this layout manager is currently managing this component.

    • addLayoutCallback

      public void addLayoutCallback(LayoutCallback callback)

      Adds the callback function that will be called at different stages of the layout cylce.

      Parameters
      • callback: The callback. Not null.
    • removeLayoutCallback

      public void removeLayoutCallback(LayoutCallback callback)

      Removes the callback if it exists.

      Parameters
      • callback: The callback. May be null.
    • layoutContainer

      public void layoutContainer(Container parent)
      Description copied from class: Layout

      Layout the given parent container children

      Parameters
      • parent: the given parent container
      Specified by:
      layoutContainer in class Layout
    • minimumLayoutSize

      public Dimension minimumLayoutSize(Container parent)

      Checks the parent window/popup if its size is within parameters as set by the LC.

      Parameters
      • parent: The parent who's window to possibly adjust the size for.
    • preferredLayoutSize

      public Dimension preferredLayoutSize(Container parent)
    • maximumLayoutSize

      public Dimension maximumLayoutSize(Container parent)
    • getLayoutAlignmentX

      public float getLayoutAlignmentX(Container parent)
    • getLayoutAlignmentY

      public float getLayoutAlignmentY(Container parent)
    • addLayoutComponent

      public void addLayoutComponent(Object value, Component comp, Container c)
      Description copied from class: Layout

      Some layouts can optionally track the addition of elements with meta-data that allows the user to "hint" on object positioning.

      Parameters
      • value: optional meta data information, like alignment orientation

      • comp: the added component to the layout

      • c: the parent container

      Overrides:
      addLayoutComponent in class Layout
    • addLayoutComponent

      public void addLayoutComponent(Component comp, Object constraints)
    • isConstraintTracking

      public boolean isConstraintTracking()
      Description copied from class: Layout

      If this method returns true, the addLayoutComponent method will be called when replacing a layout for every component within the container

      Returns

      false by default

      Overrides:
      isConstraintTracking in class Layout
    • getComponentConstraint

      public Object getComponentConstraint(Component comp)
      Description copied from class: Layout

      Returns the optional component constraint

      Parameters
      • comp: the component whose constraint should be returned
      Returns

      the optional component constraint

      Overrides:
      getComponentConstraint in class Layout
    • removeLayoutComponent

      public void removeLayoutComponent(Component comp)
      Description copied from class: Layout

      Removes the component from the layout this operation is only useful if the layout maintains references to components within it

      Parameters
      • comp: the removed component from layout
      Overrides:
      removeLayoutComponent in class Layout
    • invalidateLayout

      public void invalidateLayout(Container target)
    • getPreferredSize

      public Dimension getPreferredSize(Container parent)
      Description copied from class: Layout

      Returns the container preferred size

      Parameters
      • parent: the parent container
      Returns

      the container preferred size

      Specified by:
      getPreferredSize in class Layout