Differential D13099 Diff 34832 src/activities/piano_composition/piano_composition.js

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src/activities/piano_composition/piano_composition.js

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31	var notesDetails = NoteNotations.get()	31	var notesDetails = NoteNotations.get()
32	var userDir = "file://" + GCompris.ApplicationInfo.getSharedWritablePath() + "/" + "piano_composition"	32	var userDir = "file://" + GCompris.ApplicationInfo.getSharedWritablePath() + "/" + "piano_composition"
33	var userFile = userDir + "/melodies.json"	33	var userFile = userDir + "/melodies.json"
		34	var undoStack = []
		35	var undidChange = false
34	var instructions = [{	36	var instructions = [{
35	"text": qsTr("This is the treble cleff staff for high pitched notes")	37	"text": qsTr("This is the treble cleff staff for high pitched notes")
36	},	38	},
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93	items.background.staffMode = "add"	95	items.background.staffMode = "add"
94	items.multipleStaff.noteToReplace = [-1, -1]	96	items.multipleStaff.noteToReplace = [-1, -1]
95	items.staffModesOptions.currentIndex = 0	97	items.staffModesOptions.currentIndex = 0
		98	undoStack = []
		99	}
		100
		101	function pushToStack(noteIndex, staffIndex, oldNoteName, oldNoteType, newNoteName, newNoteType) {
		102	undoStack.push({"noteIndex_": noteIndex, "staffIndex_": staffIndex,
		103	"oldNoteName_": oldNoteName, "oldNoteType_": oldNoteType})
		104	// Maintain most recent 5 changes. Remove older ones (stack behaves as queue here).
		105	if(undoStack.length > 5)
		106	undoStack.shift()
		107	}
		108
		109	function undoChange() {
		110	if(undoStack.length > 0) {
		111	var undoNoteDetails = undoStack[undoStack.length - 1]
		112	undoStack.pop()
		113	if(undoNoteDetails.noteName_ != "none")
		114	undidChange = true
		115	items.multipleStaff.undoChange(undoNoteDetails)
		116	}
96	}	117	}
97		118
98	function getNoteDetails(noteName, noteType) {	119	function getNoteDetails(noteName, noteType) {
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