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org.eclipse.net4j.util.ui</FONT>
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Class DefaultPropertySource<RECEIVER></H2>
<PRE>
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.eclipse.net4j.util.ui.DefaultPropertySource<RECEIVER></B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>org.eclipse.ui.views.properties.IPropertySource</DD>
</DL>
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<DT><PRE>public class <B>DefaultPropertySource<RECEIVER></B><DT>extends <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements org.eclipse.ui.views.properties.IPropertySource</DL>
</PRE><map id="APIVIZ" name="APIVIZ">
<area shape="rect" id="node1" title="«interface» IPropertySource (org.eclipse.ui.views.properties)" alt="" coords="5,6,208,61"/>
<area shape="rect" id="node2" href="DefaultPropertySource.html" title="DefaultPropertySource" alt="" coords="31,101,183,126"/>
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<CENTER><IMG SRC="DefaultPropertySource.png" USEMAP="#APIVIZ" BORDER="0"></CENTER>
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<DT><B>Since:</B></DT>
<DD>3.2</DD>
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<!-- ======== NESTED CLASS SUMMARY ======== -->
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<CODE>static class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.DelegatingPropertyDescriptor.html" title="class in org.eclipse.net4j.util.ui">DefaultPropertySource.DelegatingPropertyDescriptor</A><<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.DelegatingPropertyDescriptor.html" title="type parameter in DefaultPropertySource.DelegatingPropertyDescriptor">RECEIVER</A>></B></CODE>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#DefaultPropertySource(RECEIVER)">DefaultPropertySource</A></B>(<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A> receiver)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#DefaultPropertySource(RECEIVER, org.eclipse.net4j.util.properties.IPropertyProvider)">DefaultPropertySource</A></B>(<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A> object,
<A HREF="../../../../../org/eclipse/net4j/util/properties/IPropertyProvider.html" title="interface in org.eclipse.net4j.util.properties">IPropertyProvider</A><<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A>> provider)</CODE>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> org.eclipse.ui.views.properties.PropertyDescriptor</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#addDescriptor(java.lang.String, java.lang.Object, java.lang.String, java.lang.String)">addDescriptor</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> category,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> displayName,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> description)</CODE>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#addDescriptors(org.eclipse.net4j.util.properties.IPropertyProvider)">addDescriptors</A></B>(<A HREF="../../../../../org/eclipse/net4j/util/properties/IPropertyProvider.html" title="interface in org.eclipse.net4j.util.properties">IPropertyProvider</A><<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A>> provider)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#getEditableValue()">getEditableValue</A></B>()</CODE>
<BR>
Returns a value for this property source that can be edited in a property
sheet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../../org/eclipse/net4j/util/properties/Property.html" title="class in org.eclipse.net4j.util.properties">Property</A><<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#getProperty(java.lang.Object)">getProperty</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> org.eclipse.ui.views.properties.IPropertyDescriptor</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#getPropertyDescriptor(java.lang.Object)">getPropertyDescriptor</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> org.eclipse.ui.views.properties.IPropertyDescriptor[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#getPropertyDescriptors()">getPropertyDescriptors</A></B>()</CODE>
<BR>
Returns the list of property descriptors for this property source.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#getPropertyValue(java.lang.Object)">getPropertyValue</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id)</CODE>
<BR>
Returns the value of the property with the given id if it has one.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#getReceiver()">getReceiver</A></B>()</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#isPropertySet(java.lang.Object)">isPropertySet</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id)</CODE>
<BR>
Returns whether the value of the property with the given id has changed
from its default value.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#resetPropertyValue(java.lang.Object)">resetPropertyValue</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id)</CODE>
<BR>
Resets the property with the given id to its default value if possible.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html#setPropertyValue(java.lang.Object, java.lang.Object)">setPropertyValue</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> value)</CODE>
<BR>
Sets the property with the given id if possible.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<B>Constructor Detail</B></FONT></TH>
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<A NAME="DefaultPropertySource(java.lang.Object)"><!-- --></A><A NAME="DefaultPropertySource(RECEIVER)"><!-- --></A><H3>
DefaultPropertySource</H3>
<PRE>
public <B>DefaultPropertySource</B>(<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A> receiver)</PRE>
<DL>
</DL>
<HR>
<A NAME="DefaultPropertySource(java.lang.Object,org.eclipse.net4j.util.properties.IPropertyProvider)"><!-- --></A><A NAME="DefaultPropertySource(RECEIVER, org.eclipse.net4j.util.properties.IPropertyProvider)"><!-- --></A><H3>
DefaultPropertySource</H3>
<PRE>
public <B>DefaultPropertySource</B>(<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A> object,
<A HREF="../../../../../org/eclipse/net4j/util/properties/IPropertyProvider.html" title="interface in org.eclipse.net4j.util.properties">IPropertyProvider</A><<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A>> provider)</PRE>
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<A NAME="getReceiver()"><!-- --></A><H3>
getReceiver</H3>
<PRE>
public <A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A> <B>getReceiver</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="addDescriptor(java.lang.String, java.lang.Object, java.lang.String, java.lang.String)"><!-- --></A><H3>
addDescriptor</H3>
<PRE>
public org.eclipse.ui.views.properties.PropertyDescriptor <B>addDescriptor</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> category,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> displayName,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> description)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="addDescriptors(org.eclipse.net4j.util.properties.IPropertyProvider)"><!-- --></A><H3>
addDescriptors</H3>
<PRE>
public void <B>addDescriptors</B>(<A HREF="../../../../../org/eclipse/net4j/util/properties/IPropertyProvider.html" title="interface in org.eclipse.net4j.util.properties">IPropertyProvider</A><<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A>> provider)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getPropertyDescriptors()"><!-- --></A><H3>
getPropertyDescriptors</H3>
<PRE>
public org.eclipse.ui.views.properties.IPropertyDescriptor[] <B>getPropertyDescriptors</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></B></DD>
<DD>Returns the list of property descriptors for this property source. The
<code>getPropertyValue</code> and <code>setPropertyValue</code>
methods are used to read and write the actual property values by
specifying the property ids from these property descriptors.
<p>
Implementors should cache the descriptors as they will be asked for the
descriptors with any edit/update. Since descriptors provide cell editors,
returning the same descriptors if possible allows for efficient updating.
</p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getPropertyDescriptors</CODE> in interface <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the property descriptors</DL>
</DD>
</DL>
<HR>
<A NAME="getPropertyDescriptor(java.lang.Object)"><!-- --></A><H3>
getPropertyDescriptor</H3>
<PRE>
public org.eclipse.ui.views.properties.IPropertyDescriptor <B>getPropertyDescriptor</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getProperty(java.lang.Object)"><!-- --></A><H3>
getProperty</H3>
<PRE>
public <A HREF="../../../../../org/eclipse/net4j/util/properties/Property.html" title="class in org.eclipse.net4j.util.properties">Property</A><<A HREF="../../../../../org/eclipse/net4j/util/ui/DefaultPropertySource.html" title="type parameter in DefaultPropertySource">RECEIVER</A>> <B>getProperty</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getPropertyValue(java.lang.Object)"><!-- --></A><H3>
getPropertyValue</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <B>getPropertyValue</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></B></DD>
<DD>Returns the value of the property with the given id if it has one.
Returns <code>null</code> if the property's value is <code>null</code>
value or if this source does not have the specified property.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getPropertyValue</CODE> in interface <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>id</CODE> - the id of the property being set
<DT><B>Returns:</B><DD>the value of the property, or <code>null</code><DT><B>See Also:</B><DD><CODE>IPropertySource.setPropertyValue(java.lang.Object, java.lang.Object)</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="isPropertySet(java.lang.Object)"><!-- --></A><H3>
isPropertySet</H3>
<PRE>
public boolean <B>isPropertySet</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></B></DD>
<DD>Returns whether the value of the property with the given id has changed
from its default value. Returns <code>false</code> if this source does
not have the specified property.
<p>
If the notion of default value is not meaningful for the specified
property then <code>false</code> is returned.
</p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>isPropertySet</CODE> in interface <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>id</CODE> - the id of the property
<DT><B>Returns:</B><DD><code>true</code> if the value of the specified property has
changed from its original default value, <code>false</code> if
the specified property does not have a meaningful default value,
and <code>false</code> if this source does not have the
specified property<DT><B>See Also:</B><DD><CODE>IPropertySource2.isPropertyResettable(Object)</CODE>,
<CODE>IPropertySource.resetPropertyValue(Object)</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="resetPropertyValue(java.lang.Object)"><!-- --></A><H3>
resetPropertyValue</H3>
<PRE>
public void <B>resetPropertyValue</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></B></DD>
<DD>Resets the property with the given id to its default value if possible.
<p>
Does nothing if the notion of a default value is not meaningful for the
specified property, or if the property's value cannot be changed, or if
this source does not have the specified property.
</p>
<p>
Callers will check if this <code>IPropertySource</code> implements
<code>IPropertySource2</code> and this method will only be called if
<code>IPropertySource2#isPropertyResettable(Object)</code> returns
<code>true</code> for the property with the given id.
</p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>resetPropertyValue</CODE> in interface <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>id</CODE> - the id of the property being reset<DT><B>See Also:</B><DD><CODE>IPropertySource.isPropertySet(Object)</CODE>,
<CODE>IPropertySource2.isPropertyResettable(Object)</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="setPropertyValue(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
setPropertyValue</H3>
<PRE>
public void <B>setPropertyValue</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> id,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> value)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></B></DD>
<DD>Sets the property with the given id if possible. Does nothing if the
property's value cannot be changed or if this source does not have the
specified property.
<p>
In general, a property source should not directly reference the value
parameter unless it is an atomic object that can be shared, such as a
string.
</p>
<p>
An important reason for this is that several property sources with
compatible descriptors could be appearing in the property sheet at the
same time. An editor produces a single edited value which is passed as
the value parameter of this message to all the property sources. Thus to
avoid a situation where all of the property sources reference the same
value they should use the value parameter to create a new instance of the
real value for the given property.
</p>
<p>
There is another reason why a level of indirection is useful. The real
value of property may be a type that cannot be edited with a standard
cell editor. However instead of returning the real value in
<code>getPropertyValue</code>, the value could be converted to a
<code>String</code> which could be edited with a standard cell editor.
The edited value will be passed to this method which can then turn it
back into the real property value.
</p>
<p>
Another variation on returning a value other than the real property value
in <code>getPropertyValue</code> is to return a value which is an
<code>IPropertySource</code> (or for which the property sheet can
obtain an <code>IPropertySource</code>). In this case the value to
edit is obtained from the child property source using
<code>getEditableValue</code>. It is this editable value that will be
passed back via this method when it has been editted
</p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>setPropertyValue</CODE> in interface <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>id</CODE> - the id of the property being set<DD><CODE>value</CODE> - the new value for the property; <code>null</code> is allowed<DT><B>See Also:</B><DD><CODE>IPropertySource.getPropertyValue(java.lang.Object)</CODE>,
<CODE>IPropertySource.getEditableValue()</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="getEditableValue()"><!-- --></A><H3>
getEditableValue</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <B>getEditableValue</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></B></DD>
<DD>Returns a value for this property source that can be edited in a property
sheet.
<p>
This value is used when this <code>IPropertySource</code> is appearing
in the property sheet as the value of a property of some other
<code>IPropertySource</code>
</p>
<p>
This value is passed as the input to a cell editor opening on an
<code>IPropertySource</code>.
</p>
<p>
This value is also used when an <code>IPropertySource</code> is being
used as the value in a <code>setPropertyValue</code> message. The
reciever of the message would then typically use the editable value to
update the original property source or construct a new instance.
</p>
<p>
For example an email address which is a property source may have an
editable value which is a string so that it can be edited in a text cell
editor. The email address would also have a constructor or setter that
takes the edited string so that an appropriate instance can be created or
the original instance modified when the edited value is set.
</p>
<p>
This behavior is important for another reason. When the property sheet is
showing properties for more than one object (multiple selection), a
property sheet entry will display and edit a single value (typically
coming from the first selected object). After a property has been edited
in a cell editor, the same value is set as the property value for all of
the objects. This is fine for primitive types but otherwise all of the
objects end up with a reference to the same value. Thus by creating an
editable value and using it to update the state of the original property
source object, one is able to edit several property source objects at
once (multiple selection).
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getEditableValue</CODE> in interface <CODE>org.eclipse.ui.views.properties.IPropertySource</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a value that can be edited</DL>
</DD>
</DL>
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