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From da...@cocoon.zones.apache.org
Subject [DAISY] Updated: Binding Framework
Date Sat, 22 Jul 2006 12:02:20 GMT
A document has been updated:

http://cocoon.zones.apache.org/daisy/documentation/488.html

Document ID: 488
Branch: main
Language: default
Name: Binding Framework (unchanged)
Document Type: Cocoon Document (unchanged)
Updated on: 7/19/06 5:20:29 PM
Updated by: Mark Lundquist

A new version has been created, state: draft

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(144 equal lines skipped)
    <p>binds repeater widgets</p>
    </td>
    <td>
--- <p>id, parent-path, row-path, unique-row-id (deprecated), unique-path
--- (deprecated)</p>
+++ <p>id, parent-path, row-path</p>
    </td>
    <td>
--- <p>fd:convertor (deprecated), fb:on-bind, fb:on-delete-row, fb:on-insert-row,
--- fb:unique-row</p>
+++ <p>fb:identity, fb:on-bind, fb:on-delete-row, fb:on-insert-row</p>
    </td>
    </tr>
    <tr>
    <td>
--- <p>fb:unique-row</p>
+++ <p>fb:identity</p>
    </td>
    <td>
    <p>specifies unique fields for a repeater row</p>
(7 equal lines skipped)
    </tr>
    <tr>
    <td>
--- <p>fb:unique-field</p>
--- </td>
--- <td>
--- <p>specifies unique field for a repeater row</p>
--- </td>
--- <td>
--- <p>id, path</p>
--- </td>
--- <td>
--- <p>fd:convertor</p>
--- </td>
--- </tr>
--- <tr>
--- <td>
    <p>fb:set-attribute</p>
    </td>
    <td>
(273 equal lines skipped)
    <li>id</li>
    <li>parent-path</li>
    <li>row-path</li>
--- <li>unique-row-id (deprecated)</li>
--- <li>unique-path (deprecated)</li>
    <li>row-path-insert (optional)</li>
    <li>direction (optional)</li>
    </ul>
(2 equal lines skipped)
    
    <ul>
    <li>fb:identity</li>
--- <li>fd:convertor (deprecated)</li>
    <li>fb:on-bind</li>
    <li>fb:on-delete-row</li>
    <li>fb:on-insert-row</li>
    </ul>
    
--- <p><strong>NOTE:</strong> The attributes <tt>unique-row-id</tt>
and
--- <tt>unique-path</tt> and the child element <tt>fd:convertor</tt>
are deprecated
--- in favor of &lt;fb:unique-row&gt;.</p>
--- 
    <p>The <tt>fb:repeater</tt> binding binds repeaters based on the concept
that
--- each row in the repeater is identified by one or more widgets uniquely. This
--- unique identification is necessary to know which rows in the repeater correspond
--- to which objects in the target collection. Newly added rows in the repeater can
--- (but should not) have a null value for this identification widget(s). Typically
--- this/these widget(s) will not editable, so in most cases it will be an output
--- widget. If you don't need the identification widget(s) at the client you don't
--- need to add them to the template at all! You only have to specify
--- <tt>direction="load"</tt> to this/these widget(s) then. This prevents the
--- database IDs from getting to the client.</p>
+++ each row in the repeater is uniquely identified by the value(s) of one or more
+++ of its widgets. This unique identification is necessary to know which rows in
+++ the repeater correspond to which objects in the target collection, and is
+++ specified using a &lt;fb:identity&gt; child element.</p>
    
--- <p>The <tt>id</tt> attribute should contain the id of the repeater.</p>
+++ <p>The <tt>id</tt> attribute denotes the id of the repeater as specified
in the
+++ form definition.</p>
    
--- <p>The <tt>unique-row-id</tt> attribute specifies the id of the widget
appearing
--- on each repeater row that contains the unique identification for that row. The
--- unique-path attribute contains the corresponding path in the object model.</p>
--- 
--- <p><strong>NOTE</strong>: Both attributes are deprecated. Please use
--- <tt>&lt;fb:identity&gt;</tt> instead.</p>
--- 
    <p>The <tt>parent-path</tt> and <tt>row-path</tt> attributes
can best be
    understood when described differently for XML documents and Javabeans.</p>
    
(25 equal lines skipped)
    </li>
    </ul>
    
--- <p>A child element <tt>fd:convertor</tt> can be used to specify the
convertor to
--- use in case the unique-id from the model is a String (typical for XML documents)
--- and the matching widget inside the repeater has a different type.</p>
--- 
--- <p><strong>NOTE:</strong> This element is deprecated at that place as
it is only
--- used in combination with the deprecated attributes unique-row-id and
--- unique-path. Please use <tt>&lt;fb:identity&gt;</tt> instead.</p>
--- 
    <p>The three remaining child elements <tt>fb:on-bind</tt>,
    <tt>fb:on-delete-row</tt>, <tt>fb:on-insert-row</tt> should contain
the binding
    elements that have to be executed in case of these three events.</p>
(13 equal lines skipped)
    <tt>fb:insert-node</tt> or a <tt>fb:insert-bean</tt> binding (see
the
    descriptions of these binding elements for more details).</p>
    
--- <p>The childrens of the <tt>fb:unique-row</tt> specify the widgets appearing
on
--- each repeater row for the unique identification of that row. Each
--- &lt;fb:unique-field&gt; child specifies one widget.</p>
--- 
    <h2>fb:identity</h2>
    
    <p>Child elements:</p>
    
    <ul>
--- <li>fb:value widget-bindings that make up the identity</li>
+++ <li>fb:value widget bindings constituting the repeater row identity</li>
    </ul>
    
    <p>The <tt>&lt;fb:identity&gt;</tt> is just a container for
the child elements
--- specifying the bindings of the identification widgets.</p>
+++ specifying the bindings of the row identity widgets.</p>
    
--- <p>The nested elements just describe regular value bindings that can declare
--- their own convertor if needed.</p>
+++ <p>The nested elements just describe regular value bindings (these can declare
+++ their own convertors if needed). Newly added rows in the repeater can (but
+++ should not) have a null value for the identity widget(s). Identity widgets
+++ typically are uneditable and are specified as &lt;fd:output&gt; widgets. If you
+++ don't need the identity widget(s) at the client, you don't need to add them to
+++ the template at all! This prevents, e.g., database IDs from getting to the
+++ client.</p>
    
    <p><strong>NOTE:</strong> This 'identity' binding is only active in
the 'load'
    operation, so specifying the direction="save" is meaningless.</p>
(254 equal lines skipped)


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