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| <TITLE>Contributing resource filters</TITLE> |
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| <H3> |
| Contributing resource filters</H3> |
| <P > |
| The resource filters extension allows plug-ins to define filters that are useful for filtering out file types in the resource navigator view. This |
| extension is useful when special file types are used to represent internal plug-in information |
| but you do not want the files to be shown in the workbench or manipulated by the user.</P> |
| <P > |
| The workbench filters out the pattern "<b>.*</b>" to exclude internal files such as .metadata from the resource navigator. Likewise, the JDT plug-in filters out "<b>*.class</b>" files to hide compiled classes.</P> |
| <P > |
| The markup for the resource filters extension is simple. The following is |
| from the workbench <b>plugin.xml</b>.</P> |
| <pre> |
| <extension |
| point="org.eclipse.ui.ide.resourceFilters"> |
| <filter |
| selected="false" |
| pattern=".*"> |
| </filter> |
| </extension> |
| </pre> |
| <P >The filters can be enabled by the user using the resource navigator's local |
| pull-down menu.</P> |
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| <P ><img src="images/filtersmenu.png" alt="Resource filters menu" border="0" ></P> |
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| <P >In addition to declaring the <b>filter pattern</b>, |
| the plug-in can use the <b>selected</b> attribute to |
| specify whether the filter should be enabled in the resource navigator. |
| This attribute only determines the initial state of the filter pattern. The user can |
| control which filter patterns are active.</P> |
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| <P ><img src="images/filtersselection.png" alt="Filter selection dialog" border="0" ></P> |
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