Added ability to add extensions to LeftAndMain, and supply and augmen…

…tInit method on them

Added the ability to define getCMSTreeTitle in a LeftAndMain extension to change the main title at the top of the tree

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@40222 467b73ca-7a2a-4603-9d3b-597d59a354a9

code/LeftAndMain.php

@@ -68,6 +68,9 @@ function init() {
 		Requirements::javascript('sapphire/javascript/Validator.js');
 
 		Requirements::css("sapphire/css/SubmittedFormReportField.css");
+
+		$dummy = null;
+		$this->extend('augmentInit', $dummy);
 	}
 
 	/**
@@ -286,7 +289,12 @@ function getSiteTreeFor($className, $rootID = null) {
 
 		if(!$rootID) {
 			$rootLink = $this->Link() . '0';
-			$siteTree = "<ul id=\"sitetree\" class=\"tree unformatted\"><li id=\"record-0\" class=\"Root nodelete\"><a href=\"$rootLink\">Site Content</a>"
+
+			// This lets us override the tree title with an extension
+			if($this->hasMethod('getCMSTreeTitle')) $treeTitle = $this->getCMSTreeTitle();
+			else $treeTitle = "Site Content";
+
+			$siteTree = "<ul id=\"sitetree\" class=\"tree unformatted\"><li id=\"record-0\" class=\"Root nodelete\"><a href=\"$rootLink\">$treeTitle</a>"
 				. $siteTree . "</li></ul>";
 		}