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## org.swixml.layoutconverters
Class FormLayoutConverter

    java.lang.Object
      org.swixml.layoutconverters.FormLayoutConverter

All Implemented Interfaces:
  LayoutConverter

    public class FormLayoutConverter

extends Object
implements LayoutConverter

A layout converter for `com.jgoodies.forms.layout.FormLayout`.

Examples:

     <panel>
       <layout type="FormLayout"
           columns="p, 3dlu, p:grow"
           rows="p, 3dlu, p"/>

       <label     constraints="1,1" text="Company"/>
       <textfield constraints="3,1"/>
       <label     constraints="1,3" text="Contact"/>
       <textfield constraints="3,3"/>
     </panel>

     <panel>
       <layout type="FormLayout"
           columns="right:max(40dlu;pref), 3dlu, d:grow, 7dlu, right:pref, 3dlu, d:grow"
           rows="p, 3dlu, p, 9dlu, p, 3dlu, p"
           columnGroups="1,5; 3,7"/>

       <label     constraints="1,1" text="Company"/>
       <textfield constraints="3,1,5,1"/>
       <label     constraints="1,3" text="Contact"/>
       <textfield constraints="3,3,5,1"/>

       <label     constraints="1,5" text="PTI [kW]"/>
       <textfield constraints="3,5"/>
       <label     constraints="5,5" text="Power [kW]"/>
       <textfield constraints="7,5"/>
       <label     constraints="1,7" text="R [mm]"/>
       <textfield constraints="3,7"/>
       <label     constraints="5,7" text="D [mm]"/>
       <textfield constraints="7,7"/>
     </panel>

Author:
  Karl Tauber

Constructor Summary
`FormLayoutConverter()`

Method Summary
`Object` | `convertConstraintsAttribute(Attribute attr)` Creates a CellConstraints instance.
`Object` | `convertConstraintsElement(Element element)` Returns always `null`.
`LayoutManager` | `convertLayoutAttribute(Attribute attr)` Returns always `null`.
`LayoutManager` | `convertLayoutElement(Element element)` Creates a FormLayout instance.
`String` | `getID()` Returns "formlayout".

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### FormLayoutConverter

    public FormLayoutConverter()

Method Detail

### getID

    public String getID()

  Returns "formlayout".

  Specified by:
    `getID` in interface `LayoutConverter`

### convertLayoutAttribute

    public LayoutManager convertLayoutAttribute(Attribute attr)

  Returns always `null`.

  Specified by:
    `convertLayoutAttribute` in interface `LayoutConverter`

### convertLayoutElement

    public LayoutManager convertLayoutElement(Element element)

  Creates a FormLayout instance.

  Attributes:

  - `columns` (required): The column specifications as documented in JGoodies FormLayout.
  - `row` (required): The row specifications as documented in JGoodies FormLayout.
  - `columnGroups` (optional): The column groups, where each column in a group gets the same group wide width. Groups are separated by semicolons, column indices in a group are separated by colons. E.g. "1,5; 3,7,9" defines two groups, where first group contains columns 1 and 5; and second group contains columns 3, 7 and 9. Note that column indices are 1-based.
  - `rowGroups` (optional): The row groups, where each row in a group gets the same group wide height. Groups are separated by semicolons, row indices in a group are separated by colons. E.g. "1,5; 3,7,9" defines two groups, where first group contains rows 1 and 5; and second group contains rows 3, 7 and 9. Note that row indices are 1-based.

  Examples for Valid XML element notations:

  - `<layout type="FormLayout" columns="p, 3dlu, p" rows="p, 3dlu, p"/>`
  - `<layout type="FormLayout" columns="p, 3dlu, p, 3dlu, p, 3dlu, p" rows="p, 3dlu, p" columnGroups="1,5; 3,7" rowGroups="1,3"/>`

  Specified by:
    `convertLayoutElement` in interface `LayoutConverter`

### convertConstraintsAttribute

    public Object convertConstraintsAttribute(Attribute attr)

  Creates a CellConstraints instance.

  Allowed syntaxes of attribute value:

  - `"x, y"`
  - `"x, y, w, h"`
  - `"x, y, hAlign, vAlign"`
  - `"x, y, w, h, hAlign, vAlign"`

  See JGoodies FormLayout for details.

  Examples for Valid XML attribute notations:

  - `constraints="1, 3"`
  - `constraints="1, 3, 2, 1"`
  - `constraints="1, 3, left, bottom"`
  - `constraints="1, 3, 2, 1, l, b"`

  Specified by:
    `convertConstraintsAttribute` in interface `LayoutConverter`

### convertConstraintsElement

    public Object convertConstraintsElement(Element element)

  Returns always `null`.

  Specified by:
    `convertConstraintsElement` in interface `LayoutConverter`

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