com.jgoodies.forms.internal

## Class AbstractButtonPanelBuilder<B extends AbstractButtonPanelBuilder<B>>

- java.lang.Object
- - com.jgoodies.forms.internal.AbstractBuilder<B>
  - - com.jgoodies.forms.internal.AbstractButtonPanelBuilder<B>

- Type Parameters:
    `B` - the type of the builder, e.g. ButtonBarBuilder
  Direct Known Subclasses:
    ButtonBarBuilder, ButtonStackBuilder

      public abstract class AbstractButtonPanelBuilder<B extends AbstractButtonPanelBuilder<B>>
      extends AbstractBuilder<B>

  The abstract superclass for `ButtonBarBuilder` and `ButtonStackBuilder`. Provides a cell cursor for traversing the button bar/stack while components are added. It also offers convenience methods to append logical columns and rows.
  Since:
    1.2
  Version:
    $Revision: 1.11 $
  Author:
    Karsten Lentzsch

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected boolean` | `focusGrouped` Indicates whether a focus group has been built in `build()`.

    - ### Fields inherited from class com.jgoodies.forms.internal.AbstractBuilder

      `currentCellConstraints`

  - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `AbstractButtonPanelBuilder(FormLayout layout, JPanel container)` Constructs an AbstractButtonPanelBuilder for the given FormLayout and layout container.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected Component` | `add(Component component)` Adds a component to the container using the default cell constraints.
    `protected AbstractButtonPanelBuilder` | `addButton(Action... actions)` Constructs an array of JButtons from the given Action array, and adds them as a sequence of related buttons separated by a default gap.
    `protected AbstractButtonPanelBuilder` | `addButton(JComponent... buttons)` Adds one or many sequences of related buttons.
    `protected abstract AbstractButtonPanelBuilder` | `addButton(JComponent button)`
    `protected abstract AbstractButtonPanelBuilder` | `addRelatedGap()` Adds the standard gap for related components.
    `protected abstract AbstractButtonPanelBuilder` | `addUnrelatedGap()` Adds the standard gap for unrelated components.
    `protected void` | `appendColumn(ColumnSpec columnSpec)` Appends the given column specification to the builder's layout.
    `protected void` | `appendGlueColumn()` Appends a glue column.
    `protected void` | `appendGlueRow()` Appends a glue row.
    `protected void` | `appendRelatedComponentsGapColumn()` Appends a column that is the default gap for related components.
    `protected void` | `appendRelatedComponentsGapRow()` Appends a row that is the default gap for related components.
    `protected void` | `appendRow(RowSpec rowSpec)` Appends the given row specification to the builder's layout.
    `protected void` | `appendUnrelatedComponentsGapColumn()` Appends a column that is the default gap for unrelated components.
    `protected void` | `appendUnrelatedComponentsGapRow()` Appends a row that is the default gap for unrelated components.
    `JPanel` | `build()` Returns the panel used to build the form and lazily builds a focus traversal group for all contained AbstractButtons.
    `protected JButton` | `createButton(Action action)` Creates and returns a button that is bound to the given Action.
    `protected int` | `getColumn()`
    `protected int` | `getRow()` Returns the cursor's row.
    `boolean` | `isLeftToRight()` Returns whether this builder fills the form left-to-right or right-to-left.
    `protected void` | `nextColumn()` Moves to the next column, does the same as #nextColumn(1).
    `protected void` | `nextRow()` Increases the row by one; does the same as #nextRow(1).
    `void` | `setBackground(Color background)` Deprecated. Replaced by `AbstractBuilder.background(Color)`
    `void` | `setBorder(Border border)` Deprecated. Replaced by `AbstractBuilder.border(Border)`
    `void` | `setLeftToRight(boolean b)` Sets the form fill direction to left-to-right or right-to-left.
    `void` | `setOpaque(boolean b)` Deprecated. Replaced by `AbstractBuilder.opaque(boolean)`

    - ### Methods inherited from class com.jgoodies.forms.internal.AbstractBuilder

      `background, border, border, createComponentFactory, getColumnCount, getComponentFactory, getContainer, getLayout, getPanel, getRowCount, opaque, padding, padding, setComponentFactory`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### focusGrouped

          protected boolean focusGrouped

      Indicates whether a focus group has been built in `build()`. Reset to `false` whenever a component is added.

  - ### Constructor Detail

    - #### AbstractButtonPanelBuilder

          protected AbstractButtonPanelBuilder(FormLayout layout,
                                    JPanel container)

      Constructs an AbstractButtonPanelBuilder for the given FormLayout and layout container.
      Parameters:
        `layout` - the FormLayout to use
        `container` - the layout container
      Throws:
        `NullPointerException` - if `layout` or `container` is `null`

  - ### Method Detail

    - #### build

          public final JPanel build()

      Returns the panel used to build the form and lazily builds a focus traversal group for all contained AbstractButtons.
      Specified by:
        `build` in class `AbstractBuilder<B extends AbstractButtonPanelBuilder<B>>`
      Returns:
        the panel used by this builder to build the form

    - #### setBackground

          @Deprecated
          public final void setBackground(Color background)

      Deprecated. Replaced by `AbstractBuilder.background(Color)`
      Sets the panel's background color and makes the panel opaque.
      Parameters:
        `background` - the color to set as new background
      See Also:
        `JComponent.setBackground(Color)`

    - #### setBorder

          @Deprecated
          public final void setBorder(Border border)

      Deprecated. Replaced by `AbstractBuilder.border(Border)`
      Sets the panel's border.
      Parameters:
        `border` - the border to set
      See Also:
        `JComponent.setBorder(Border)`

    - #### setOpaque

          @Deprecated
          public final void setOpaque(boolean b)

      Deprecated. Replaced by `AbstractBuilder.opaque(boolean)`
      Sets the panel's opaque state.
      Parameters:
        `b` - true for opaque, false for non-opaque
      Since:
        1.1
      See Also:
        `JComponent.setOpaque(boolean)`

    - #### isLeftToRight

          public final boolean isLeftToRight()

      Returns whether this builder fills the form left-to-right or right-to-left. The initial value of this property is set during the builder construction from the layout container's `componentOrientation` property.
      Returns:
        true indicates left-to-right, false indicates right-to-left
      See Also:
        `setLeftToRight(boolean)`, `ComponentOrientation`

    - #### setLeftToRight

          public final void setLeftToRight(boolean b)

      Sets the form fill direction to left-to-right or right-to-left. The initial value of this property is set during the builder construction from the layout container's `componentOrientation` property.
      Parameters:
        `b` - true indicates left-to-right, false right-to-left
      See Also:
        `isLeftToRight()`, `ComponentOrientation`

    - #### nextColumn

          protected final void nextColumn()

      Moves to the next column, does the same as #nextColumn(1).

    - #### getColumn

          protected final int getColumn()

    - #### getRow

          protected final int getRow()

      Returns the cursor's row.
      Returns:
        the cursor's row

    - #### nextRow

          protected final void nextRow()

      Increases the row by one; does the same as #nextRow(1).

    - #### appendColumn

          protected final void appendColumn(ColumnSpec columnSpec)

      Appends the given column specification to the builder's layout.
      Parameters:
        `columnSpec` - the column specification object to append

    - #### appendGlueColumn

          protected final void appendGlueColumn()

      Appends a glue column.
      See Also:
        `appendRelatedComponentsGapColumn()`, `appendUnrelatedComponentsGapColumn()`

    - #### appendRelatedComponentsGapColumn

          protected final void appendRelatedComponentsGapColumn()

      Appends a column that is the default gap for related components.
      See Also:
        `appendGlueColumn()`, `appendUnrelatedComponentsGapColumn()`

    - #### appendUnrelatedComponentsGapColumn

          protected final void appendUnrelatedComponentsGapColumn()

      Appends a column that is the default gap for unrelated components.
      See Also:
        `appendGlueColumn()`, `appendRelatedComponentsGapColumn()`

    - #### appendRow

          protected final void appendRow(RowSpec rowSpec)

      Appends the given row specification to the builder's layout.
      Parameters:
        `rowSpec` - the row specification object to append

    - #### appendGlueRow

          protected final void appendGlueRow()

      Appends a glue row.
      See Also:
        `appendRelatedComponentsGapRow()`, `appendUnrelatedComponentsGapRow()`

    - #### appendRelatedComponentsGapRow

          protected final void appendRelatedComponentsGapRow()

      Appends a row that is the default gap for related components.
      See Also:
        `appendGlueRow()`, `appendUnrelatedComponentsGapRow()`

    - #### appendUnrelatedComponentsGapRow

          protected final void appendUnrelatedComponentsGapRow()

      Appends a row that is the default gap for unrelated components.
      See Also:
        `appendGlueRow()`, `appendRelatedComponentsGapRow()`

    - #### add

          protected final Component add(Component component)

      Adds a component to the container using the default cell constraints. Note that when building from left to right, this method won't adjust the cell constraints if the column span is larger than 1.
      Parameters:
        `component` - the component to add
      Returns:
        the added component

    - #### addButton

          protected abstract AbstractButtonPanelBuilder addButton(JComponent button)

    - #### addButton

          protected AbstractButtonPanelBuilder addButton(JComponent... buttons)

      Adds one or many sequences of related buttons. A new sequence starts when a button is `null`. The next sequence is separated by an unrelated gap. Each button has the minimum width as specified by `LayoutStyle.getDefaultButtonWidth()`. The gap width between the buttons is `LayoutStyle.getRelatedComponentsPadX()`.

      Although JButtons are expected, general JComponents are accepted to allow custom button component types.

      Examples:

           builder.addButtons(newButton, editButton, deleteButton);
           builder.addButtons(newButton, editButton, deleteButton, null, printButton);

      Parameters:
        `buttons` - the buttons to add
      Returns:
        this builder
      Throws:
        `NullPointerException` - if `buttons` is `null`
        `IllegalArgumentException` - if `buttons` is empty
      See Also:
        `addButton(JComponent)`

    - #### addButton

          protected AbstractButtonPanelBuilder addButton(Action... actions)

      Constructs an array of JButtons from the given Action array, and adds them as a sequence of related buttons separated by a default gap.
      Parameters:
        `actions` - an array of buttons to add

    - #### addRelatedGap

          protected abstract AbstractButtonPanelBuilder addRelatedGap()

      Adds the standard gap for related components.

    - #### addUnrelatedGap

          protected abstract AbstractButtonPanelBuilder addUnrelatedGap()

      Adds the standard gap for unrelated components.

    - #### createButton

          protected JButton createButton(Action action)

      Creates and returns a button that is bound to the given Action. This is a hook that allows to return customized buttons. For example, the JGoodies `JGButton` configures the accessible name and accessible description from Actions that provide these information.

      This default implementation delegates the button creation to this builder's component factory, see `ComponentFactory.createButton(Action)`).

      Parameters:
        `action` - provides bound visual properties for the button
      Returns:
        the created button
      Since:
        1.4

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