Bug 60785 [Preferences] [Javadoc] Review of org.eclipse.jface.preference
Warnings: IPreferenceStore.java:379: warning - @param argument "value" is not a parameter name. BooleanFieldEditor.java:80: warning - @param argument "labelText" is not a parameter name. ColorSelector.java:63: warning - @param argument "parent." is not a parameter name. ColorSelector.java:192: warning - @param argument "rgb." is not a parameter name. FieldEditor.java:596: warning - @param argument "Button" is not a parameter name. FieldEditor.java:619: warning - @param argument "boolean." is not a parameter name. FieldEditor.java:619: warning - @param argument "parent." is not a parameter name. FileFieldEditor.java:143: warning - @param argument "extension" is not a parameter name. PreferenceConverter.java:45: warning - @issue is an unknown tag. PreferenceDialog.java:202: warning - @param argument "shell" is not a parameter name. PreferenceDialog.java:836: warning - @param argument "errorMessage" is not a parameter name. PreferenceNode.java:109: warning - @param argument "page" is not a parameter name. PreferenceStore.java:432: warning - @param argument "filename" is not a parameter name. StringFieldEditor.java:289: warning - @param argument "parent" is not a parameter name. BooleanPropertyAction: - BooleanPropertyAction has no description. - run() is not documented. ColorFieldEditor: - Class description is incomplete or just missing a period. - getColorSelector() is undocumented. - getNumberOfControls() has an incomplete description. ColorSelector: - updateColorImage() description ends in a comma. FieldEditorPreferencePage: - applyFont() is undocumented. PreferenceContentProvider: - All methods are undocumented. PreferenceDialog: - Undocumented methods: close(), configureShell(), constrainShellSize(), createTreeAreaContents(), getSingleSelection(), getTreeViewer(), layoutTreeAreaControl(). PreferenceLabelProvider: - All methods are undocumented. StringButtonFieldEditor: - getChangeControl() is undocumented. JFacePreferences: - *_COLOR undocumented.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
node = nodes[0];
		}
		if (node != null) {
			getTreeViewer().setSelection(new StructuredSelection(node), true);
			            
			getTreeViewer().getControl().setFocus();
		}
	}
	/**
	 * Display the given error message. The currently displayed message
	 * is saved and will be redisplayed when the error message is set
	 * to <code>null</code>.
	 *
	 * @param errorMessage the errorMessage to display or <code>null</code>
	 */
	public void setErrorMessage(String newErrorMessage) {		
		if(newErrorMessage == null)
			messageArea.clearErrorMessage();
		else
			messageArea.updateText(newErrorMessage,IMessageProvider.ERROR);
	}
	/**
	 * Save the last known tree width.
	 * 
	 * @param width the width.
	 */
	private void setLastTreeWidth(int width) {
		lastTreeWidth = width;
	}
	/**