Provide Inclusion Mechanism WIthin WTKX Files to Allow For Reusable WTKX
Sub-Components
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Key: PIVOT-445
URL: https://issues.apache.org/jira/browse/PIVOT-445
Project: Pivot
Issue Type: New Feature
Components: wtk-wtkx
Reporter: Anthony J. Bufort
Provide a mechanism (directive) by which WTKX snippets may be included within
larger WTKX files. Ideally, inclusion mechanism would provide option to pass
String arguments to snippets being included. Snippets used in such a manner
could then function as templates into which variable data can be poured for
flexible reuse.
Included files, once parsed, could even be cacheable such that future reads can
be done from cache instead of always going to the filesystem (perhaps, via a
boolean 'cache' attribute). A value of "true" would populate the cache with the
sub-component if it isn't already present. If it is present, it would read
from it instead of going out to the filesystem. A value of "false" would cause
a read from the filesystem.
EXAMPLE:
(file to include sub-component in)
<Window title="Hello WTKX!" maximized="true"
xmlns:wtkx="http://pivot.apache.org/wtkx";
xmlns="org.apache.pivot.wtk">
<content>
<Panel wtkx:id="master_panel" styles="{backgroundColor:'#ffffff'}">
<FlowPane wtkx:id="maste_flowpane" styles="{verticalSpacing:'20'}"
x="40" y="40" width="500" height="300">
<Include file="subcomponents/ButtonPairComponent.wtkx"
args="{'row_1','Button Text #1', 'Button Text #2'}" cache="true"/>
<Include file="subcomponents/ButtonPairComponent.wtkx"
args="{'row_2','Button Text #3', 'Button Text #4'}" cache="true"/>
<Include file="subcomponents/ButtonPairComponent.wtkx"
args="{'row_3','Button Text #5', 'Button Text #6'}" cache="true"/>
</FlowPane>
<Label text="HEADER" preferredWidth="170"/>
</Panel>
</content>
</Window>
(included sub-component)
<BoxPane wtkx:id="$1" styles="{spacing:'75'}">
<PushButton buttonData="$2" preferredWidth="170" styles="{}"/>
<PushButton buttonData="$3" preferredWidth="170" styles="{}"/>
</BoxPane>
Additionally, a version of include for URLs can also be provided.
EXAMPLE CALL:
<Include
url="http://www.myurl.com/myapp/wtkx/subcomponents/ButtonPairComponent.wtkx";
args="{'row_4','Button Text #7', 'Button Text #8'}" cache="false"/>
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