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| <title>Eclipse Workbench Extension Point: Property Pages</title> | |
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| <h1> | |
| Property Pages</h1></center> | |
| <b><i>Identifier: </i></b>org.eclipse.ui.propertyPages | |
| <p><b><i>Description</i>: </b>This extension point is used to add additional | |
| property page for objects of a given type. Once defined, these property | |
| pages will appear in the Properties Dialog for object of that type. | |
| <p>A property page is a user friendly way to interact with the properties | |
| of an object. Unlike the Properties view, which restricts the space | |
| available for editing an object property, a property page may benefit from | |
| the freedom to define larger, more complex controls with labels, icons, | |
| etc. Properties which logically go together may also be clustered | |
| in a page, rather than scattered in the property sheet. However, in most | |
| applications it will be appropriate to expose some properties of an object | |
| via the property sheet and some via the property pages. | |
| <p>Property pages are shown in a dialog box that is normally visible when | |
| Properties menu item is selected on a pop-up menu for an object. In addition | |
| to the object class, the name filter can optionally be supplied to register | |
| property pages only for specific object types. | |
| <p>If these filtering mechanisms are inadequate a property page | |
| may use the <tt>filter</tt> mechanism. In this case the attributes | |
| of the target object are described in a series of key value pairs. | |
| The attributes which apply to the selection are type specific and beyond | |
| the domain of the workbench itself, so the workbench will delegate filtering | |
| at this level to the actual selection. | |
| <p><b><i>Configuration Markup:</i></b> | |
| <p><tt> <!ELEMENT page (filter)*></tt> | |
| <br><tt> <!ATTLIST page</tt> | |
| <br><tt> id | |
| CDATA #REQUIRED</tt> | |
| <br><tt> name | |
| CDATA #REQUIRED</tt> | |
| <br><tt> icon | |
| CDATA #IMPLIED</tt> | |
| <br><tt> objectClass CDATA #REQUIRED</tt> | |
| <br><tt> class | |
| CDATA #REQUIRED</tt> | |
| <br><tt> nameFilter CDATA #IMPLIED</tt> | |
| <br><tt> ></tt> | |
| <ul> | |
| <li> | |
| <b>id</b> - a unique name that will be used to identify this page</li> | |
| <li> | |
| <b>name</b> - a translatable name that will be used in the UI for this | |
| page</li> | |
| <li> | |
| <b>icon</b> - a relative path to an icon that will be used in the UI in | |
| addition to the page name</li> | |
| <li> | |
| <b>objectClass</b> - a fully qualified name of the class for which the | |
| page is registered.</li> | |
| <li> | |
| <b>class</b> - a fully qualified name of the class that implements <tt>org.eclipse.ui.IWorkbenchPropertyPage</tt> | |
| interface.</li> | |
| <li> | |
| <b>nameFilter</b> - an optional attribute that allows registration conditional | |
| on wild card match applied to the target object name.</li> | |
| </ul> | |
| <tt> <!ELEMENT filter EMPTY></tt> | |
| <br><tt> <!ATTLIST filter</tt> | |
| <br><tt> name | |
| CDATA #REQUIRED</tt> | |
| <br><tt> value | |
| CDATA #REQUIRED</tt> | |
| <br><tt> ></tt> | |
| <ul> | |
| <li> | |
| <b>name</b> - the name of an object attribute.</li> | |
| <li> | |
| <b>value</b> - the value of an object attribute. In combination with | |
| the name attribute, the name value pair is used to define the target object | |
| for a property page.</li> | |
| </ul> | |
| <b><i>Examples:</i></b> | |
| <p>The following is an example of the property page definition: | |
| <p><tt> <extension point="org.eclipse.ui.propertyPages"></tt> | |
| <br><tt> <page</tt> | |
| <br><tt> id="com.xyz.projectPage"</tt> | |
| <br><tt> name="XYZ Java | |
| Properties"</tt> | |
| <br><tt> objectClass="org.eclipse.core.resources.IFile"</tt> | |
| <br><tt> class="com.xyz.ppages.JavaPropertyPage"</tt> | |
| <br><tt> nameFilter="*.java"></tt> | |
| <br><tt> <filter name="readOnly" value="true"/></tt> | |
| <br><tt> </page></tt> | |
| <br><tt> </extension></tt> | |
| <p><b><i>API Information</i></b>: Attribute <tt>class</tt> must specify | |
| a fully qualified name of the class that implements <tt>org.eclipse.ui.IWorkbenchPropertyPage</tt>. | |
| <p><b><i>Supplied Implementation</i>: </b>Some objects provided by the | |
| workbench may have property pages registered. Plug-ins are allowed to add | |
| more property pages for these objects. Property pages are not limited to | |
| workbench resources: all objects showing up in the workbench (even domain | |
| specific objects created by the plug-ins) may have property pages and other | |
| plug-ins are allowed to register property pages for them. | |
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