Two Pages for Master Detail

Question

Hi,
i would like to have 2 pages for master detail query on my aplication. One show a table with dept master rows, where i would choose a row , and then, when i press viewdetails button show a second page with details emps for this department. But i have a litle probs... How can i pass the row from emp to CurrentDepEmpView ?
My code :
"Master Page"
<?xml version="1.0" encoding="windows-1252" ?>
<page xmlns="http://xmlns.oracle.com/uix/controller"
xmlns:ctrl="http://xmlns.oracle.com/uix/controller"
xmlns:ui="http://xmlns.oracle.com/uix/ui"
xmlns:bc4j="http://xmlns.oracle.com/uix/bc4j">
<bc4j:registryDef>
<bc4j:rootAppModuleDef name="MasterDeptEmpViewModule"
definition="uix_test.Bc4j_testeModule"
releaseMode="stateful">
<bc4j:viewObjectDef name="deptVO" rangeSize="3"/>
</bc4j:rootAppModuleDef>
</bc4j:registryDef>
<!-- <bc4j:registryDef>
<bc4j:rootAppModuleDef name="EmpForeignKeyLink1AppModule"
definition="uix_test.Bc4j_testeModule"
releaseMode="stateful">
<bc4j:viewObjectDef name="deptVO" rangeSize="5"/>
<bc4j:viewObjectDef name="CurrentDeptEmpsVO" rangeSize="10"/>
</bc4j:rootAppModuleDef>
</bc4j:registryDef>
-->
<content>
<try xmlns="http://xmlns.oracle.com/uix/ui"
xmlns:data="http://xmlns.oracle.com/uix/ui">
<catch>
<header messageType="error">
<boundAttribute name="text">
<contextProperty select="ui:currentThrowable"/>
</boundAttribute>
</header>
</catch>
<contents>
<pageLayout xmlns="http://xmlns.oracle.com/uix/ui"
xmlns:data="http://xmlns.oracle.com/uix/ui"
title="Master Dept View">
<contents>
<!-- this will contain any validation errors after form
submission -->
<messageBox automatic="true"/>
<bc4j:rootAppModuleScope name="MasterDeptEmpViewModule">
<contents>
<header text="Search">
<contents>
<form name="search">
<contents>
<inlineMessage prompt="Search" vAlign="middle">
<contents>
<bc4j:viewObjectScope name="deptVO">
<contents>
<flowLayout>
<contents>
<choice name="attrName"
data:selectedValue="attrName@ctrl:page"
shortDesc="Search Column">
<contents>
<bc4j:region automatic="true">
<bc4j:attrStamp>
<option>
<boundAttribute name="text">
<bc4j:attrDefProperty name="name"/>
</boundAttribute>
<boundAttribute name="value">
<bc4j:attrDefProperty name="name"/>
</boundAttribute>
</option>
</bc4j:attrStamp>
</bc4j:region>
</contents>
</choice>
<textInput name="attrValue" columns="20"
data:text="attrValue@ctrl:page"
shortDesc="Search"/>
</contents>
</flowLayout>
</contents>
</bc4j:viewObjectScope>
</contents>
<end>
<submitButton text="Go" ctrl:event="search"/>
</end>
</inlineMessage>
</contents>
</form>
</contents>
</header>
<header text="Results">
<contents>
<form name="viewForm">
<contents>
<tableLayout>
<contents>
<bc4j:viewObjectScope name="deptVO">
<contents>
<!-- placing the table in automatic mode will cause the table
to contain the keyStamp named child followed by the
columnStamp named child for each attribute in the
ViewObject. -->
<bc4j:table name="viewTable" automatic="true"
width="80%"
alternateText="No rows found">
<tableSelection>
<!-- single selection for each row in the table -->
<singleSelection selectedIndex="0"
shortDesc="Select Row">
<contents>
<!-- the update button causes the currently selected
row to be sent to the update page -->
</contents>
</singleSelection>
</tableSelection>
<!-- the key identifying the current row in the table -->
<bc4j:keyStamp>
<bc4j:rowKey name="key"/>
</bc4j:keyStamp>
<!-- the column rendered for each attribute -->
<bc4j:columnStamp>
<!-- the attrScope is automatic -->
<bc4j:column>
<columnHeader>
<!-- the sortableHeader defaults its attrName
from the current attrScope -->
<bc4j:sortableHeader/>
</columnHeader>
<contents>
<!-- renders the current attribute as read only -->
<bc4j:input readOnly="true"/>
</contents>
</bc4j:column>
</bc4j:columnStamp>
</bc4j:table>
</contents>
</bc4j:viewObjectScope>
</contents>
</tableLayout>
<submitButton text="Detalhes" ctrl:event="details"/>
</contents>
</form>
</contents>
</header>
</contents>
</bc4j:rootAppModuleScope>
</contents>
<contentFooter>
</contentFooter>
</pageLayout>
</contents>
</try>
</content>
<handlers>
<event name="details">
<bc4j:findRootAppModule name="MasterDeptEmpViewModule">
<bc4j:findViewObject name="CurrentDeptEmpsVO">
<bc4j:findRowByKey>
<bc4j:keyBinding>
<bc4j:propertyKey name="key"/>
</bc4j:keyBinding>
</bc4j:findRowByKey>
</bc4j:findViewObject>
</bc4j:findRootAppModule>
<go name="detailView" redirect="true"/>
</event>
<event name="sort" source="viewTable">
<!-- using the ApplicationModule causes it to be checked out from the
ApplicationPool. It is released using stateful mode. -->
<bc4j:findRootAppModule name="MasterDeptEmpViewModule">
<!-- establish the ViewObject scope -->
<bc4j:findViewObject name="deptVO">
<!-- sort by the submitted attribute name -->
<bc4j:sort/>
</bc4j:findViewObject>
</bc4j:findRootAppModule>
</event>
<event name="goto" source="viewTable">
<!-- using the ApplicationModule causes it to be checked out from the
ApplicationPool. It is released using stateful mode. -->
<bc4j:findRootAppModule name="MasterDeptEmpViewModule">
<!-- establish the ViewObject scope -->
<bc4j:findViewObject name="deptVO">
<!-- navigate to the submitted range -->
<bc4j:goto/>
</bc4j:findViewObject>
</bc4j:findRootAppModule>
</event>
<event name="search">
<!-- using the ApplicationModule causes it to be checked out from the
ApplicationPool. It is released using stateful mode. -->
<bc4j:findRootAppModule name="MasterDeptEmpViewModule">
<!-- establish the ViewObject scope -->
<bc4j:findViewObject name="deptVO">
<!-- search for the view criteria -->
<bc4j:findByExample>
<bc4j:exampleRow ignoreCase="true">
<bc4j:exampleAttribute>
<bc4j:nameBinding>
<bc4j:parameter name="attrName"/>
</bc4j:nameBinding>
<bc4j:valueBinding>
<bc4j:parameter name="attrValue"/>
</bc4j:valueBinding>
</bc4j:exampleAttribute>
</bc4j:exampleRow>
</bc4j:findByExample>
<bc4j:executeQuery/>
<!-- store the current search criteria as page properties -->
<bc4j:setPageProperty name="attrName">
<bc4j:parameter name="attrName"/>
</bc4j:setPageProperty>
<bc4j:setPageProperty name="attrValue">
<bc4j:parameter name="attrValue"/>
</bc4j:setPageProperty>
</bc4j:findViewObject>
</bc4j:findRootAppModule>
</event>
</handlers>
</page>
"Detail Page"
<?xml version="1.0" encoding="windows-1252" ?>
<page xmlns="http://xmlns.oracle.com/uix/controller"
xmlns:ctrl="http://xmlns.oracle.com/uix/controller"
xmlns:ui="http://xmlns.oracle.com/uix/ui"
xmlns:bc4j="http://xmlns.oracle.com/uix/bc4j">
<bc4j:registryDef>
<bc4j:rootAppModuleDef name="DetailDeptEmpViewModule"
definition="uix_test.Bc4j_testeModule"
releaseMode="stateful">
<bc4j:viewObjectDef name="deptVO" rangeSize="3"/>
<bc4j:viewObjectDef name="CurrentDeptEmpsVO" rangeSize="10">
<bc4j:rowDef name="deptVO" autoCreate="false" usesCurrency="true">
<bc4j:propertyKey name="key"/>
</bc4j:rowDef>
</bc4j:viewObjectDef>
</bc4j:rootAppModuleDef>
</bc4j:registryDef>
<content>
<try xmlns="http://xmlns.oracle.com/uix/ui"
xmlns:data="http://xmlns.oracle.com/uix/ui">
<catch>
<displayException/>
</catch>
<contents>
<pageLayout xmlns="http://xmlns.oracle.com/uix/ui"
xmlns:data="http://xmlns.oracle.com/uix/ui"
title="Detail Emp per Depto View">
<contents>
<!-- this will contain any validation errors after form
submission -->
<messageBox automatic="true"/>
<bc4j:rootAppModuleScope name="DetailDeptEmpViewModule">
<contents>
<header text="Search">
<contents>
<form name="search">
<contents>
<inlineMessage prompt="Search" vAlign="middle">
<contents>
<bc4j:viewObjectScope name="CurrentDeptEmpsVO">
<bc4j:findRowByKey>
<bc4j:keyBinding>
<bc4j:propertyKey name="key" />
</bc4j:keyBinding>
</bc4j:findRowByKey>
<contents>
<flowLayout>
<contents>
<choice name="attrName"
data:selectedValue="attrName@ctrl:page"
shortDesc="Search Column">
<contents>
<bc4j:region automatic="true">
<bc4j:attrStamp>
<option>
<boundAttribute name="text">
<bc4j:attrDefProperty name="name"/>
</boundAttribute>
<boundAttribute name="value">
<bc4j:attrDefProperty name="name"/>
</boundAttribute>
</option>
</bc4j:attrStamp>
</bc4j:region>
</contents>
</choice>
<textInput name="attrValue" columns="20"
data:text="attrValue@ctrl:page"
shortDesc="Search"/>
</contents>
</flowLayout>
</contents>
</bc4j:viewObjectScope>
</contents>
<end>
<submitButton text="Go" ctrl:event="search"/>
</end>
</inlineMessage>
</contents>
</form>
</contents>
</header>
<header text="Results">
<contents>
<form name="viewForm">
<contents>
<tableLayout>
<contents>
<bc4j:viewObjectScope name="CurrentDeptEmpsVO">
<contents>
<bc4j:rowScope name="deptVO">
<contents>
<!-- placing the table in automatic mode will cause the table
to contain the keyStamp named child followed by the
columnStamp named child for each attribute in the
ViewObject. -->
<bc4j:table name="viewTable"
automatic="true" width="80%"
alternateText="No rows found">
<tableSelection>
<!-- single selection for each row in the table -->
<singleSelection selectedIndex="0"
shortDesc="Select Row">
<contents>
<!-- the update button causes the currently selected
row to be sent to the update page -->
<submitButton text="Update"
ctrl:event="update"/>
<!-- the delete button causes the currently selected
row to be removed -->
<submitButton text="Delete"
ctrl:event="delete"/>
</contents>
</singleSelection>
</tableSelection>
<!-- the key identifying the current row in the table -->
<bc4j:keyStamp>
<bc4j:rowKey name="key"/>
</bc4j:keyStamp>
<!-- the column rendered for each attribute -->
<bc4j:columnStamp>
<!-- the attrScope is automatic -->
<bc4j:column>
<columnHeader>
<!-- the sortableHeader defaults its attrName
from the current attrScope -->
<bc4j:sortableHeader/>
</columnHeader>
<contents>
<!-- renders the current attribute as read only -->
<bc4j:input readOnly="true"/>
</contents>
</bc4j:column>
</bc4j:columnStamp>
</bc4j:table>
</contents>
</bc4j:rowScope>
</contents>
</bc4j:viewObjectScope>
</contents>
</tableLayout>
</contents>
</form>
</contents>
</header>
</contents>
</bc4j:rootAppModuleScope>
</contents>
<contentFooter>
<!-- the create button redirects to the create page -->
<button text="Create" ctrl:event="create"/>
</contentFooter>
</pageLayout>
</contents>
</try>
</content>
<handlers>
<event name="search">
<!-- using the ApplicationModule causes it to be checked out from the
ApplicationPool. It is released using stateful mode. -->
<bc4j:findRootAppModule name="DetailDeptEmpViewModule">
<!-- establish the ViewObject scope -->
<bc4j:findViewObject name="CurrentDeptEmpsVO">
<!-- search for the view criteria -->
<bc4j:findByExample>
<bc4j:exampleRow ignoreCase="true">
<bc4j:exampleAttribute>
<bc4j:nameBinding>
<bc4j:parameter name="attrName"/>
</bc4j:nameBinding>
<bc4j:valueBinding>
<bc4j:parameter name="attrValue"/>
</bc4j:valueBinding>
</bc4j:exampleAttribute>
</bc4j:exampleRow>
</bc4j:findByExample>
<bc4j:executeQuery/>
<!-- store the current search criteria as page properties -->
<bc4j:setPageProperty name="attrName">
<bc4j:parameter name="attrName"/>
</bc4j:setPageProperty>
<bc4j:setPageProperty name="attrValue">
<bc4j:parameter name="attrValue"/>
</bc4j:setPageProperty>
</bc4j:findViewObject>
</bc4j:findRootAppModule>
</event>
<event name="sort" source="viewTable">
<!-- using the ApplicationModule causes it to be checked out from the
ApplicationPool. It is released using stateful mode. -->
<bc4j:findRootAppModule name="DetailDeptEmpViewModule">
<!-- establish the ViewObject scope -->
<bc4j:findViewObject name="CurrentDeptEmpsVO">
<!-- sort by the submitted attribute name -->
<bc4j:sort/>
</bc4j:findViewObject>
</bc4j:findRootAppModule>
</event>
<event name="goto" source="viewTable">
<!-- using the ApplicationModule causes it to be checked out from the
ApplicationPool. It is released using stateful mode. -->
<bc4j:findRootAppModule name="DetailDeptEmpViewModule">
<!-- establish the ViewObject scope -->
<bc4j:findViewObject name="CurrentDeptEmpsVO">
<!-- navigate to the submitted range -->
<bc4j:goto/>
</bc4j:findViewObject>
</bc4j:findRootAppModule>
</event>
<event name="create">
<!-- forward to the create page -->
<ctrl:go name="EmpForeignKeyLink1_Create" redirect="true"/>
</event>
<event name="update">
<!-- forward to the update page, passing the selected key
as a page property -->
<ctrl:go name="EmpForeignKeyLink1_Update" redirect="true">
<ctrl:property name="key">
<ctrl:selection name="viewTable" key="key"/>
</ctrl:property>
</ctrl:go>
</event>
<event name="delete">
<!-- using the ApplicationModule causes it to be checked out from the
ApplicationPool. It is released using stateful mode. -->
<bc4j:findRootAppModule name="DetailDeptEmpViewModule">
<!-- establish the ViewObject scope -->
<bc4j:findViewObject name="CurrentDeptEmpsVO">
<!-- find the selected Row -->
<bc4j:findRowByKey>
<bc4j:keyBinding>
<bc4j:selectionKey name="viewTable" key="key"/>
</bc4j:keyBinding>
<bc4j:handlers>
<!-- remove the selected ViewObject row -->
<bc4j:removeRow/>
<!-- execute the query to eliminate dead row access -->
<bc4j:executeQuery/>
</bc4j:handlers>
</bc4j:findRowByKey>
</bc4j:findViewObject>
<!-- commit the transaction, forwards to self automatically -->
<bc4j:commit/>
</bc4j:findRootAppModule>
</event>
</handlers>
</page>

Answer 1

Basic strategy is to make the selected row from the master table the current row, then forward to the detail page, which displays the current row.
Use the <findRowByKey usesCurrency="true" > event handler.