--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MCPatchBrowser.st	Wed Nov 22 14:24:48 2006 +0100
@@ -0,0 +1,169 @@
+"{ Package: 'stx:goodies/monticello' }"
+
+MCCodeTool subclass:#MCPatchBrowser
+	instanceVariableNames:'selection'
+	classVariableNames:''
+	poolDictionaries:''
+	category:'Monticello-UI'
+!
+
+
+!MCPatchBrowser class methodsFor:'as yet unclassified'!
+
+forPatch: aPatch
+	^ self new patch: aPatch
+! !
+
+!MCPatchBrowser methodsFor:'accessing'!
+
+items
+	^ items
+!
+
+list
+	^ self items collect: [:ea | ea summary]
+!
+
+patch: aPatch
+	items _ aPatch operations asSortedCollection
+! !
+
+!MCPatchBrowser methodsFor:'as yet unclassified'!
+
+annotations
+	^selection ifNil: [ super annotations ]
+		ifNotNil: [ selection annotations ]
+!
+
+changeSetNameForInstall
+	"Answer the name of the change set into which my selection will be installed.
+	Derive this from my label.
+	If I have no label, use the current change set."
+
+	| tokens |
+	label ifNil: [ ^ChangeSet current name ].
+	tokens := label findTokens: ' '.
+	tokens removeAllFoundIn: { 'changes'. 'between'. 'and' }.
+	(tokens size = 3 and: [ tokens second = '<working' ]) ifTrue: [ ^tokens first, '-to-working' ].
+	tokens size = 2 ifFalse: [ ^'InstalledPatches' ].
+	^'{1}-to-{2}' format: tokens 
+!
+
+installSelection
+	| loader |
+	selection ifNotNil:
+		[loader _ MCPackageLoader new.
+		selection applyTo: loader.
+		loader loadWithName: self changeSetNameForInstall ]
+! !
+
+!MCPatchBrowser methodsFor:'menus'!
+
+methodListMenu: aMenu
+	selection ifNotNil:
+		[aMenu addList:#(('install'	 installSelection) -)].
+	super methodListMenu: aMenu.
+	^ aMenu
+! !
+
+!MCPatchBrowser methodsFor:'morphic ui'!
+
+buttonSpecs
+	^ #((Invert invert 'Show the reverse set of changes')
+		 (Export export 'Export the changes as a change set'))
+!
+
+defaultLabel
+	^ 'Patch Browser'
+!
+
+perform: selector orSendTo: otherTarget
+	"Selector was just chosen from a menu by a user.  If can respond, then
+perform it on myself. If not, send it to otherTarget, presumably the
+editPane from which the menu was invoked."
+
+	(self respondsTo: selector)
+		ifTrue: [^ self perform: selector]
+		ifFalse: [^ otherTarget perform: selector]
+!
+
+widgetSpecs
+	Preferences annotationPanes ifFalse: [ ^#(
+		((listMorph:selection:menu: list selection methodListMenu:) (0 0 1 0.4) (0 0 0 0))
+		((textMorph: text) (0 0.4 1 1))
+		) ].
+
+	^ {
+		#((listMorph:selection:menu: list selection methodListMenu: ) (0 0 1 0.4) (0 0 0 0)).
+		{ #(textMorph: annotations). #(0 0.4 1 0.4). { 0. 0. 0. self defaultAnnotationPaneHeight. } }.
+		{ #(textMorph: text). #(0 0.4 1 1). { 0. self defaultAnnotationPaneHeight. 0. 0. } }.
+		}
+! !
+
+!MCPatchBrowser methodsFor:'selecting'!
+
+invert
+	items _ items collect: [:ea | ea inverse].
+	self changed: #list; changed: #text; changed: #selection
+!
+
+selection
+	^ selection 
+		ifNil: [0]
+		ifNotNil: [self items indexOf: selection]
+!
+
+selection: aNumber
+	selection _ aNumber = 0 ifFalse: [self items at: aNumber].
+	self changed: #selection; changed: #text; changed: #annotations
+! !
+
+!MCPatchBrowser methodsFor:'subclassResponsibility'!
+
+selectedClass
+	| definition |
+	selection ifNil: [ ^nil ].
+	(definition _ selection definition) ifNil: [ ^nil ].
+	definition isMethodDefinition ifFalse: [ ^nil ].
+	^Smalltalk at: definition className ifAbsent: [ ]
+!
+
+selectedClassOrMetaClass
+	| definition |
+	selection ifNil: [ ^nil ].
+	(definition _ selection definition) ifNil: [ ^nil ].
+	definition isMethodDefinition ifFalse: [ ^nil ].
+	^definition actualClass
+!
+
+selectedMessageCategoryName
+	| definition |
+	selection ifNil: [ ^nil ].
+	(definition _ selection definition) ifNil: [ ^nil ].
+	definition isMethodDefinition ifFalse: [ ^nil ].
+	^definition category
+!
+
+selectedMessageName
+	| definition |
+	selection ifNil: [ ^nil ].
+	(definition _ selection definition) ifNil: [ ^nil ].
+	definition isMethodDefinition ifFalse: [ ^nil ].
+	^definition  selector
+! !
+
+!MCPatchBrowser methodsFor:'text'!
+
+text
+	^ selection ifNil: [''] ifNotNil: [selection source]
+!
+
+text: aTextOrString
+	self changed: #text
+! !
+
+!MCPatchBrowser class methodsFor:'documentation'!
+
+version
+    ^ '$Header: /cvs/stx/stx/goodies/monticello/MCPatchBrowser.st,v 1.1 2006-11-22 13:24:48 cg Exp $'
+! !