--- a/UIHelpTool.st	Fri May 18 18:01:09 2018 +0200
+++ b/UIHelpTool.st	Thu May 24 16:34:42 2018 +0200
@@ -1,3 +1,5 @@
+"{ Encoding: utf8 }"
+
 "
  COPYRIGHT (c) 1995 by eXept Software AG
 	      All Rights Reserved
@@ -345,6 +347,7 @@
     "Do not manually edit this!! If it is corrupted,
      the MenuEditor may not be able to read the specification."
 
+
     "
      MenuEditor new openOnClass:UIHelpTool andSelector:#helpTextMenu
      (Menu new fromLiteralArrayEncoding:(UIHelpTool helpTextMenu)) startUp
@@ -353,25 +356,23 @@
     <resource: #menu>
 
     ^ 
-     #(#Menu
-	#(
-	 #(#MenuItem
-	    #activeHelpKey: #commitOK
-	    #enabled: #contentsModifiedChannel
-	    #label: 'Accept'
-	    #itemValue: #accept
-	    #translateLabel: true
-	  )
-	 #(#MenuItem
-	    #activeHelpKey: #commitCancel
-	    #enabled: #contentsModifiedChannel
-	    #label: 'Cancel'
-	    #itemValue: #cancel
-	    #translateLabel: true
-	  )
-	 )
-	nil
-	nil
+     #(Menu
+        (
+         (MenuItem
+            activeHelpKey: commitOK
+            enabled: contentsModifiedChannel
+            label: 'Accept'
+            itemValue: accept
+          )
+         (MenuItem
+            activeHelpKey: commitCancel
+            enabled: contentsModifiedChannel
+            label: 'Cancel'
+            itemValue: cancel
+          )
+         )
+        nil
+        nil
       )
 !
 
@@ -382,6 +383,7 @@
     "Do not manually edit this!! If it is corrupted,
      the MenuEditor may not be able to read the specification."
 
+
     "
      MenuEditor new openOnClass:UIHelpTool andSelector:#keyItemMenu
      (Menu new fromLiteralArrayEncoding:(UIHelpTool keyItemMenu)) startUp
@@ -390,18 +392,29 @@
     <resource: #menu>
 
     ^ 
-     #(#Menu
-	#(
-	 #(#MenuItem
-	    #activeHelpKey: #deleteHelpTextKey
-	    #label: 'Delete'
-	    #itemValue: #doDelete
-	    #translateLabel: true
-	  )
-	 )
-	nil
-	nil
+     #(Menu
+        (
+         (MenuItem
+            activeHelpKey: deleteHelpTextKey
+            enabled: hasKeyItemSelectedHolder
+            label: 'Delete Key'
+            itemValue: doDelete
+          )
+         (MenuItem
+            label: '-'
+          )
+         (MenuItem
+            activeHelpKey: extractHelpTextKeys
+            label: 'Extract used Keys from Application'
+            itemValue: doExtractUsedKeys
+            enabled: hasSpecClassDefined
+          )
+         )
+        nil
+        nil
       )
+
+    "Modified: / 24-05-2018 / 15:52:24 / Claus Gittinger"
 !
 
 listOfKeysMenu
@@ -411,6 +424,7 @@
     "Do not manually edit this!! If it is corrupted,
      the MenuEditor may not be able to read the specification."
 
+
     "
      MenuEditor new openOnClass:UIHelpTool andSelector:#listOfKeysMenu
      (Menu new fromLiteralArrayEncoding:(UIHelpTool listOfKeysMenu)) startUp
@@ -419,17 +433,16 @@
     <resource: #menu>
 
     ^ 
-     #(#Menu
-	#(
-	 #(#MenuItem
-	    #activeHelpKey: #deleteHelpTextKey
-	    #label: 'Delete'
-	    #itemValue: #doDelete
-	    #translateLabel: true
-	  )
-	 )
-	nil
-	nil
+     #(Menu
+        (
+         (MenuItem
+            activeHelpKey: deleteHelpTextKey
+            label: 'Delete'
+            itemValue: doDelete
+          )
+         )
+        nil
+        nil
       )
 !
 
@@ -647,6 +660,20 @@
     ^ contentsModifiedChannel
 !
 
+hasKeyItemSelectedHolder
+    ^ BlockValue 
+        with:[:m | m notNil]
+        argument:self keyItemModel
+
+    "Created: / 24-05-2018 / 15:48:51 / Claus Gittinger"
+!
+
+hasSpecClassDefined
+    ^ [ specClass notNil ]
+
+    "Created: / 24-05-2018 / 15:52:09 / Claus Gittinger"
+!
+
 helpTextView
     "the editView which shows the current help contents assigned to the key
     "
@@ -832,7 +859,10 @@
 
 editModelChanged
     "called if the editModel changed
-    "
+     cg: so does anyone think, that a comment like the above is useful?
+     this is called when the text in the edit field (which selects the current key)
+     is changed."
+     
     |key|
 
     key := self helpKey.
@@ -863,6 +893,8 @@
         ].
     ].
     keyItemModel value:nil.
+
+    "Modified (comment): / 24-05-2018 / 16:17:16 / Claus Gittinger"
 !
 
 update:something with:aParameter from:changedObject
@@ -1063,28 +1095,17 @@
 !UIHelpTool methodsFor:'user actions'!
 
 accept
-    "accepts the help text
-    "
-    |helpKey helpItem root|
+    "accepts the help text;
+     take the contents of the helpTextView and store it under the current helpKey"
+
+    |helpKey|
 
     helpKey := self helpKey.
     helpKey isNil ifTrue:[^ self].
 
-    root := classItemModel value.
-    root isNil ifTrue:[^ self].
-
-    helpItem := root detectItemWithKey:helpKey.
+    self store:(helpTextView contents) forKey:helpKey
 
-    helpItem isNil ifTrue:[
-        helpItem := KeyItem helpKey:helpKey helpText:(helpTextView contents).
-        root add:helpItem sortBlock:[:a :b| a label < b label ].
-        self updateIcons.
-    ] ifFalse:[
-        helpItem helpText:(helpTextView contents).
-    ].
-
-    contentsModifiedChannel value:false.
-    keyItemModel triggerValue:helpItem.
+    "Modified: / 24-05-2018 / 16:31:25 / Claus Gittinger"
 !
 
 cancel
@@ -1124,6 +1145,61 @@
     editModel value:nil.
 !
 
+doExtractUsedKeys
+    "goes through the classes menu- and interface specs,
+     and extracts possible activeHelpKeys"
+
+    |allHelpKeys existingKeys cls missingKeys|
+
+    allHelpKeys := Set new.
+    
+    specClass theMetaclass methodsDo:[:mthd |
+        |spec bodyNode retVal specArray menu| 
+
+        (mthd hasMenuResource or:[mthd hasCanvasResource]) ifTrue:[
+            bodyNode := mthd parseTree body.
+            bodyNode lastIsReturn ifTrue:[
+                (retVal := bodyNode statements last value) isLiteralArray ifTrue:[
+                    specArray := retVal value.
+                    spec := specArray decodeAsLiteralArray.
+                    spec do:[:eachSpec |
+                        |k|
+
+                        (k := eachSpec activeHelpKey) notNil ifTrue:[
+                            allHelpKeys add:k.
+                        ].
+                    ].
+                ]
+            ].
+        ].    
+    ].
+
+    existingKeys := Set new.
+    (cls := specClass theMetaclass whichClassImplements:self specSelector) notNil ifTrue:[
+        |specThere|
+        
+        specThere := cls theNonMetaclass perform:self specSelector.
+        specThere isDictionary ifFalse:[
+            Transcript showCR:('oops - helpSpec from ',cls name,'>>',self specSelector,' is not a dictionary').
+        ] ifTrue:[
+            existingKeys addAll:(specThere keys).    
+        ].
+    ].
+
+    missingKeys := OrderedCollection new.
+    
+    allHelpKeys do:[:each |
+        (existingKeys includes:each) ifFalse:[
+            missingKeys add:each.
+        ].
+    ].
+    missingKeys do:[:eachKey |
+        self store:'no tooltip yet' forKey:eachKey
+    ].
+
+    "Created: / 24-05-2018 / 16:00:08 / Claus Gittinger"
+!
+
 doLoad
     "opens a Resource Selection Browser in order to get a resource message"
 
@@ -1153,11 +1229,12 @@
         self information:'No class specified !!'.
         ^ nil
     ].
-"/ cg: the following test is rubbish !!
-"/    (specClass isSubclassOf:ApplicationModel) ifFalse:[
-"/        self information:(resources string:'Cannot save help into non-Application class').
-"/        ^ nil
-"/    ].
+    
+    "/ cg: the following test is rubbish !!
+    "/    (specClass isSubclassOf:ApplicationModel) ifFalse:[
+    "/        self information:(resources string:'Cannot save help into non-Application class').
+    "/        ^ nil
+    "/    ].
 
     classItemList do:[:aClassItem|
         aClassItem theClass isNil ifTrue:[
@@ -1165,12 +1242,38 @@
         ].
         aClassItem createHelpMethodNamed:(self specSelector) 
     ].
+
+    "Modified (format): / 24-05-2018 / 16:25:31 / Claus Gittinger"
 !
 
 openDocumentation
     "opens the documentation file of the Help Tool
     "
     self openHTMLDocument: 'tools/uipainter/HelpTool.html'
+!
+
+store:helpText forKey:helpKey
+    "store helpText under helpKey"
+
+    |helpItem root|
+
+    root := classItemModel value.
+    root isNil ifTrue:[^ self].
+
+    helpItem := root detectItemWithKey:helpKey.
+
+    helpItem isNil ifTrue:[
+        helpItem := KeyItem helpKey:helpKey helpText:helpText.
+        root add:helpItem sortBlock:[:a :b| a label < b label ].
+        self updateIcons.
+    ] ifFalse:[
+        helpItem helpText:(helpTextView contents).
+    ].
+
+    contentsModifiedChannel value:false.
+    keyItemModel triggerValue:helpItem.
+
+    "Created: / 24-05-2018 / 16:31:08 / Claus Gittinger"
 ! !
 
 !UIHelpTool::ClassItem class methodsFor:'instance creation'!