"

 COPYRIGHT (c) 1995 by Claus Gittinger / eXept Software AG

	      All Rights Reserved

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice. This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

"{ Package: 'stx:libtool2' }"

UIObjectView subclass:#UIPainterView

	instanceVariableNames:'treeView listHolder superclassName className methodName

		categoryName handleColorBlack handleColorWhite handleMasterColor

		sketchPainter'

	classVariableNames:'HandCursor RedefineAspectMethods AspectsAsInstances

		GenerateCommentedCode'

	poolDictionaries:''

	category:'Interface-UIPainter'

!

Object subclass:#ViewProperty

	instanceVariableNames:'view spec identifier'

	classVariableNames:'Identifier'

	poolDictionaries:''

	privateIn:UIPainterView

!

!UIPainterView class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 1995 by Claus Gittinger / eXept Software AG

	      All Rights Reserved

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice. This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

!

documentation

"

    buildIn view used by the UIPainter; from this view, the layout of the

    new application derives from.

    [see also:]

	UIBuilder

	UIObjectView

    [author:]

	Claus Gittinger

	Claus Atzkern

"

! !

!UIPainterView class methodsFor:'initialization'!

initialize

    AspectsAsInstances := true. "/ false.

    RedefineAspectMethods := false.

    "Created: / 22.9.1999 / 12:32:31 / stefan"

! !

!UIPainterView class methodsFor:'code generation mode'!

generateAspectsAsInstanceVariables

    "if on, aspects are held as instance variables;

     if off (the default), they are kept in the bindings dictionary."

    ^ AspectsAsInstances

    "Created: / 29.7.1998 / 11:21:38 / cg"

    "Modified: / 29.7.1998 / 11:22:01 / cg"

!

generateAspectsAsInstanceVariables:aBoolean

    "if on, aspects are held as instance variables;

     if off (the default), they are kept in the bindings dictionary."

    AspectsAsInstances := aBoolean

    "Created: / 29.7.1998 / 11:21:26 / cg"

    "Modified: / 29.7.1998 / 11:22:11 / cg"

!

generateCommentedCode

    "comments in generated aspect methods; yes or no."

    ^ GenerateCommentedCode ? true

    "Modified: / 12-01-2008 / 10:21:06 / cg"

!

generateCommentedCode:aBoolean

    "comments in generated aspect methods; yes or no."

    GenerateCommentedCode := aBoolean

!

redefineAspectMethods

    "redefine methods yes or no. 

     If a method is defined in super class should the message be reinstalled ?"

    ^ RedefineAspectMethods

    "Modified: / 22.9.1999 / 12:33:03 / stefan"

!

redefineAspectMethods:aBoolean

    "redefine methods yes or no.

     If a method is defined in super class should the message be reinstalled ?"

    RedefineAspectMethods := aBoolean

! !

!UIPainterView class methodsFor:'defaults'!

defaultMenuMessage

    "This message is the default yo be sent to the menuHolder to get a menu

    "

    ^ #showMiddleButtonMenu

! !

!UIPainterView methodsFor:'accessing'!

application

    ^ nil

    "Modified: 6.9.1995 / 00:46:44 / claus"

!

applicationName

    ^ self className

!

applicationName:aName

    self className:aName

!

class:aClass superclassName:aSuperclassName selector:aSelector

    self assert:(aClass isBehavior).

    className      := aClass name.

    superclassName := aSuperclassName.

    methodName     := aSelector.

!

className

    ^ className

!

className:aName

    self assert:(aName isString).

    className := aName

!

className:aClassName superclassName:aSuperclassName selector:aSelector

    self assert:(aClassName isString).

    className      := aClassName.

    superclassName := aSuperclassName.

    methodName     := aSelector.

!

methodName

    ^ methodName

!

methodName:aName

    methodName := aName

!

selectNames:aStringOrCollection

    |prop coll s n newSel|

    (aStringOrCollection size == 0) ifTrue:[

	newSel := nil.

    ] ifFalse:[

	(s := aStringOrCollection) isString ifFalse:[

	    s size == 1 ifTrue:[

		s := s first

	    ] ifFalse:[

		coll := OrderedCollection new.

		s do:[:aName|

		    (prop := self propertyOfName:aName) notNil ifTrue:[

			coll add:(prop view)

		    ]

		].

		(n := coll size) == 1 ifTrue:[

		    newSel := coll at:1

		] ifFalse:[

		    n == 0 ifTrue:[

			newSel := nil

		    ] ifFalse:[

			newSel := coll

		    ]

		].

		^ self select:newSel.

	    ]

	].

	prop := self propertyOfName:s.

	prop isNil ifTrue:[

	    newSel := nil

	] ifFalse:[

	    newSel := prop view

	].

    ].

    ^ self select:newSel

! !

!UIPainterView methodsFor:'change & update'!

layoutChanged

    treeView notNil ifTrue:[

	treeView layoutChanged

    ]

! !

!UIPainterView methodsFor:'copy & cut & paste'!

changeSelectionAfterPasteOf:sel

    sel notNil ifTrue:[

        self select:sel.

    ].

!

commonContainerOf:someComponents

    |container|

    container := someComponents first container.

    [container notNil

     and:[ (someComponents conform:[:eachComponent | eachComponent isComponentOf:container]) not]]

	whileTrue:[

	container := container container.

    ].

    ^ container

!

copySelection

    "copy the selection into the cut & paste-buffer"

    |specs coll sel|

    sel := treeView selection.

    coll := self minClosedViewSetFor:(self selection).

    coll notNil ifTrue:[

"/        self select:nil.

        specs := coll collect:[:aView| self fullSpecFor:aView ].

        self setClipboardObject:specs.

"/        treeView selection: sel

    ].

!

deleteSelection

    "delete the selection buffered"

    self deleteSelectionBuffered: true

!

deleteSelectionBuffered: buffered

    "cut the selection. If buffered is true, place it into the cut&paste-buffer"

    |specs specsToRemove index oldSelection newSelection treeModel children size node|

    treeView askForSelectionChangeAllowed ifFalse:[^ self].

    specsToRemove := self minClosedViewSetFor:(self selection).

    specsToRemove notEmptyOrNil ifTrue:[

        treeView canvasEventsDisabledDo:[

            treeModel    := treeView model.

            oldSelection := treeModel selectedNodes at:1 ifAbsent: nil.

            oldSelection notNil ifTrue:[

                children := oldSelection parent children.

                (size := children size) > 1 ifTrue:[

                    index := children identityIndexOf:oldSelection.

                    size == index ifTrue:[

                        index := index - 1

                    ].

                    newSelection := children at:index ifAbsent:1.

                ] ifFalse:[

                    newSelection := oldSelection parent

                ].

                newSelection := treeModel indexOf:newSelection.

            ] ifFalse:[

                newSelection := 1

            ].

            self hideSelection.

            selection := nil.

            specs := specsToRemove collect:[:aView| self fullSpecFor:aView ].

            self withinTransaction:#cut objects:specsToRemove do:[

                specsToRemove reverseDo:[:aView|

                    self createUndoRemove:aView.

                    self remove:aView.

                ]

            ].

            buffered ifTrue: [self setClipboardObject:specs].

            treeView selection:nil.

            treeView selection:(Array with: newSelection).

            (node := treeView selectedNode) notNil ifTrue:[

                self setSelection:node contents view withRedraw:true.

            ]

        ]

    ]

!

deleteTotalSelection

    "delete the selection"

    self deleteSelectionBuffered: false

!

getSelectedViewsAndSpecs

    "return an array filed with selected views and corresponding specs.

     Nil if there is none."

    |specs coll sel|

    sel := treeView selection.

    coll := self minClosedViewSetFor:(self selection).

    coll isNil ifTrue:[^ nil].

    specs := coll collect:[:aView| self fullSpecFor:aView ].

    ^ Array with: coll with: specs

!

pasteBuffer

    "add the objects in the paste-buffer to the object view"

    |sel|

    sel := self pasteSpecifications:(self getClipboardObject) keepLayout:false.

    self changeSelectionAfterPasteOf:sel.

!

pasteKeepingPosition

    "add the objects in the paste-buffer to the object view;

     translate the layout as appropriate, to position the component

     at the same absolute position (relative to topView) as before"

    |sel|

    sel := self

        pasteSpecifications:(self getClipboardObject)

        keepLayout:true

        keepPosition:true

        at:nil.

    self changeSelectionAfterPasteOf:sel.

!

pasteSpecifications:aSpecificationOrList keepLayout:keepLayout

    "add the specs to the object view; returns list of pasted widgets"

    ^ self

        pasteSpecifications:aSpecificationOrList

        keepLayout:keepLayout

        at:nil

    "Modified: 11.8.1997 / 01:00:35 / cg"

!

pasteSpecifications:aSpecificationOrList keepLayout:keepLayout at:aPointOrNil

    "add the specs to the object view; returns list of pasted widgets"

    ^ self

        pasteSpecifications:aSpecificationOrList

        keepLayout:keepLayout

        keepPosition:false

        at:aPointOrNil

!

pasteSpecifications:aSpecificationOrList keepLayout:keepLayout keepPosition:keepPosition at:aPointOrNil

    "add the specs to the object view; returns list of pasted widgets"

    |specsToPaste pasteOrigin pasteOffset builder newSel bounds containerToPasteInto|

    treeView askForSelectionChangeAllowed ifFalse:[^ nil].

    containerToPasteInto := self singleSelection.

    containerToPasteInto isNil ifTrue:[

        self selection size > 0 ifTrue:[

            containerToPasteInto := self commonContainerOf:self selection

        ] ifFalse:[

            containerToPasteInto := self

        ].

"/        self selection:containerToPasteInto.

    ].

    (self canPasteInto:containerToPasteInto) ifFalse:[

        containerToPasteInto notNil ifTrue:[

            "/ search up parent list for something we can paste into

            [containerToPasteInto notNil and:[(self canPasteInto:containerToPasteInto) not]] whileTrue:[

                containerToPasteInto == self ifTrue:[

                    containerToPasteInto := nil

                ] ifFalse:[

                    containerToPasteInto := containerToPasteInto container.

                ].

            ].

"/            self selection:containerToPasteInto.

        ].

    ].

    containerToPasteInto isNil ifTrue:[

        containerToPasteInto := self

    ].

    (self canPaste:aSpecificationOrList into:containerToPasteInto)

    "(self canPaste:aSpecificationOrList)" 

    ifFalse:[

        Dialog warn:'Cannot paste into selected component (not a container ?)'.

        ^ nil

    ].

    aSpecificationOrList isCollection ifTrue:[

        specsToPaste := aSpecificationOrList

    ] ifFalse:[

        specsToPaste := Array with:aSpecificationOrList

    ].

"/    self setClipboardObject:nil.

    newSel  := OrderedCollection new.

    builder := UIBuilder new isEditing:true.

    className notNil ifTrue:[

        builder applicationClass:(self resolveName:className)

    ].

    (keepLayout not or:[keepPosition]) ifTrue:[

        pasteOffset := 0@0.

        keepPosition ifTrue:[

            pasteOrigin := device translatePoint:0@0

                                  fromView:self

                                  toView:containerToPasteInto.

        ] ifFalse:[

            aPointOrNil isNil ifTrue:[

                pasteOrigin := device translatePoint:(self sensor mousePoint)

                                            fromView:nil

                                              toView:containerToPasteInto.

            ] ifFalse:[

                pasteOrigin := device translatePoint:aPointOrNil

                                            fromView:self

                                              toView:containerToPasteInto.

            ]

        ].

        bounds := Rectangle origin:0@0 extent:(containerToPasteInto bounds extent)

    ].

    specsToPaste do:[:eachSpec|

        |view newOrigin|

        view := self addSpec:eachSpec builder:builder in:containerToPasteInto.

        keepPosition ifTrue:[

            self moveObject:view to:(view origin + pasteOrigin).

        ] ifFalse:[

            keepLayout ifFalse:[

                (bounds containsPoint:pasteOrigin) ifFalse:[

                    newOrigin := pasteOffset.

                ] ifTrue:[

                    newOrigin := pasteOrigin + pasteOffset.

                ].

                self moveObject:view to:newOrigin.

                pasteOffset := pasteOffset + 4

            ].

        ].