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ActionService.js
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ActionService.js
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var Action = function(type, args) {
this.execute = function(CanvasService, FormationService) {
if(type == 'addExistingPosition') {
console.log("adding pos: ", args.posInfo, args.posInfo.posID);
CanvasService.sharedCanvas.addShape(new Position(args.mouse.x, args.mouse.y, args.posInfo.posID, args.posInfo.color, args.posInfo.label));
FormationService.getSelectedFormation().positions.push(FormationService.getPositionWithID(args.mouse,args.posInfo.posID));
} else if(type == 'addPosition') {
var pos = FormationService.createPosition(args.mouse);
args.posID = pos.posID;
var posInfo = FormationService.positionInfo[pos.posID];
CanvasService.sharedCanvas.addShape(new Position(pos.x, pos.y, pos.posID, posInfo.color, posInfo.label));
FormationService.getSelectedFormation().positions.push(pos);
} else if(type == 'removePosition') {
args.idx = positionIndexForID(FormationService.getSelectedFormation(), args.target);
args.pos = FormationService.getSelectedFormation().positions.splice(args.idx,1)[0];
} else if(type == 'selectFormation') {
args.lastIndex = FormationService.selectedIndex;
selectFormation(args.index,CanvasService,FormationService);
} else if(type == 'addFormation') {
var pos = [];
if(FormationService.formationList.length > 0) {
pos = PositionsFromPositions(FormationService.formationList[FormationService.formationList.length-1].positions);
FormationService.formationList.push({name: 'transition ' + (FormationService.formationList.length+1), counts:4, type: 'transition', label:''});
}
FormationService.formationList.push({name: 'formation ' + (FormationService.formationList.length+1), positions:pos, counts:4, type: 'formation', label:''});
args.lastIndex = FormationService.selectedIndex;
selectFormation(FormationService.formationList.length-1,CanvasService,FormationService);
} else if(type == 'deleteFormation') {
args.selection = FormationService.selectedIndex;
args.forms = FormationService.deleteFormation(args.index);
} else if(type == 'moveSelection') {
args.oldPositions = [];
for(var k=0; k < args.selection.length; k++) {
var selection = args.selection[k];
if(selection && selection.type==0) {
var pid = selection.posID;
var index = positionIndexForID(FormationService.getSelectedFormation(),pid);
args.oldPositions[k] = {"x":FormationService.getSelectedFormation().positions[index].x, "y":FormationService.getSelectedFormation().positions[index].y};
FormationService.getSelectedFormation().positions[index].x = selection.x;
FormationService.getSelectedFormation().positions[index].y = selection.y;
}
}
CanvasService.updateCanvas(FormationService.selectedIndex);
} else if(type == 'changeCounts') {
if(args.counts) {
FormationService.formationList[args.index].counts = args.counts;
}
args.counts = FormationService.formationList[args.index].counts;
}
}
//assume the state of the services is EXACTLy correct
this.undo = function(CanvasService, FormationService) {
if(type == 'addExistingPosition') {
CanvasService.sharedCanvas.shapes.pop();
CanvasService.sharedCanvas.valid = false;
FormationService.getSelectedFormation().positions.pop();
} else if(type == 'addPosition') {
delete FormationService.positionInfo[args.posID];
FormationService._positionCounter--;
CanvasService.sharedCanvas.shapes.pop();
CanvasService.sharedCanvas.valid = false;
FormationService.getSelectedFormation().positions.pop();
} else if(type == 'removePosition') {
args.idx = positionIndexForID(FormationService.getSelectedFormation(), args.target);
FormationService.getSelectedFormation().positions.splice(args.idx, 0, args.pos);
CanvasService.updateCanvas(FormationService.selectedIndex);
} else if(type == 'selectFormation') {
var index = args.lastIndex;
selectFormation(index,CanvasService,FormationService);
} else if(type == 'addFormation') {
var index = args.lastIndex;
selectFormation(index,CanvasService,FormationService);
FormationService.formationList.pop();
FormationService.formationList.pop();
} else if(type == 'deleteFormation') {
FormationService.formationList.splice(args.index,0,args.forms[0],args.forms[1]);
FormationService.selectedIndex = args.selection;
} else if(type == 'moveSelection') {
//TODO: REWORK THIS SHIT
for(var k=0; k < args.selection.length; k++) {
var selection = args.selection[k];
if(selection && selection.type==0) {
var pid = selection.posID;
var index = positionIndexForID(FormationService.getSelectedFormation(),pid);
args.selection[k].x = FormationService.getSelectedFormation().positions[index].x;
args.selection[k].y = FormationService.getSelectedFormation().positions[index].y;
FormationService.getSelectedFormation().positions[index].x = args.oldPositions[k].x;
FormationService.getSelectedFormation().positions[index].y = args.oldPositions[k].y;
}
}
CanvasService.updateCanvas(FormationService.selectedIndex);
}else if(type == 'changeCounts') {
if(args.startCounts) {
FormationService.formationList[args.index].counts = args.startCounts;
}
}
}
}
this.selectFormation = function(index, CS, FS) {
if(FS.getSelectedFormation())
FS.getSelectedFormation().selected = false;
FS.selectedIndex = index
FS.getSelectedFormation().selected = true;
CS.updateCanvas(index);
}
app.service('ActionService', function(CanvasService, FormationService) {
var instance = this;
this.undoStack = [];
this.redoStack = [];
this.addAction = function(action) {
instance.redoStack = []; //all future actions no longer apply since you have changed state
action.execute(CanvasService, FormationService);
instance.undoStack.push(action);
}
this.undo = function() {
if(this.undoStack.length > 0) {
var action = instance.undoStack.pop();
action.undo(CanvasService, FormationService);
instance.redoStack.push(action);
}
}
this.redo = function() {
if(this.redoStack.length > 0) {
var action = instance.redoStack.pop();
action.execute(CanvasService, FormationService);
instance.undoStack.push(action);
}
}
});