piskel/js/controller/PiskelController.js

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(function () {
var ns = $.namespace('pskl.controller');
ns.PiskelController = function (piskel) {
this.setPiskel(piskel);
};
ns.PiskelController.prototype.setPiskel = function (piskel) {
this.piskel = piskel;
this.currentLayerIndex = 0;
this.currentFrameIndex = 0;
this.layerIdCounter = 0;
$.publish(Events.FRAMESHEET_RESET);
$.publish(Events.FRAME_SIZE_CHANGED);
};
ns.PiskelController.prototype.getHeight = function () {
return this.piskel.getHeight();
};
ns.PiskelController.prototype.getWidth = function () {
return this.piskel.getWidth();
};
ns.PiskelController.prototype.getLayers = function () {
return this.piskel.getLayers();
};
ns.PiskelController.prototype.getCurrentLayer = function () {
return this.piskel.getLayerAt(this.currentLayerIndex);
};
ns.PiskelController.prototype.getCurrentFrame = function () {
var layer = this.getCurrentLayer();
return layer.getFrameAt(this.currentFrameIndex);
};
ns.PiskelController.prototype.getFrameAt = function (index) {
var frames = this.getLayers().map(function (l) {
return l.getFrameAt(index);
});
return pskl.utils.FrameUtils.merge(frames);
};
ns.PiskelController.prototype.hasFrameAt = function (index) {
return !!this.getCurrentLayer().getFrameAt(index);
};
// backward from framesheet
ns.PiskelController.prototype.getFrameByIndex =
ns.PiskelController.prototype.getMergedFrameAt;
ns.PiskelController.prototype.addEmptyFrame = function () {
var layers = this.getLayers();
layers.forEach(function (l) {
l.addFrame(this.createEmptyFrame_());
}.bind(this));
};
ns.PiskelController.prototype.createEmptyFrame_ = function () {
var w = this.piskel.getWidth(), h = this.piskel.getHeight();
return new pskl.model.Frame(w, h);
};
ns.PiskelController.prototype.removeFrameAt = function (index) {
var layers = this.getLayers();
layers.forEach(function (l) {
l.removeFrameAt(index);
});
// Current frame index is impacted if the removed frame was before the current frame
if (this.currentFrameIndex >= index) {
this.setCurrentFrameIndex(this.currentFrameIndex - 1);
}
$.publish(Events.FRAMESHEET_RESET);
};
ns.PiskelController.prototype.duplicateFrameAt = function (index) {
var layers = this.getLayers();
layers.forEach(function (l) {
l.duplicateFrameAt(index);
});
};
ns.PiskelController.prototype.moveFrame = function (fromIndex, toIndex) {
var layers = this.getLayers();
layers.forEach(function (l) {
l.moveFrame(fromIndex, toIndex);
});
};
ns.PiskelController.prototype.getFrameCount = function () {
var layer = this.piskel.getLayerAt(0);
return layer.length();
};
ns.PiskelController.prototype.setCurrentFrameIndex = function (index) {
this.currentFrameIndex = index;
$.publish(Events.FRAMESHEET_RESET);
};
ns.PiskelController.prototype.setCurrentLayerIndex = function (index) {
this.currentLayerIndex = index;
$.publish(Events.FRAMESHEET_RESET);
};
ns.PiskelController.prototype.selectLayer = function (layer) {
var index = this.getLayers().indexOf(layer);
if (index != -1) {
this.setCurrentLayerIndex(index);
}
};
ns.PiskelController.prototype.selectLayerByName = function (name) {
if (this.hasLayerForName_(name)) {
var layer = this.piskel.getLayersByName(name)[0];
this.selectLayer(layer);
}
};
ns.PiskelController.prototype.generateLayerName_ = function () {
var name = "Layer " + this.layerIdCounter;
while (this.hasLayerForName_(name)) {
this.layerIdCounter++;
name = "Layer " + this.layerIdCounter;
}
return name;
};
ns.PiskelController.prototype.createLayer = function (name) {
if (!name) {
name = this.generateLayerName_();
}
if (!this.hasLayerForName_(name)) {
var layer = new pskl.model.Layer(name);
for (var i = 0 ; i < this.getFrameCount() ; i++) {
layer.addFrame(this.createEmptyFrame_());
}
this.piskel.addLayer(layer);
this.setCurrentLayerIndex(this.piskel.getLayers().length - 1);
} else {
throw 'Layer name should be unique';
}
};
ns.PiskelController.prototype.hasLayerForName_ = function (name) {
return this.piskel.getLayersByName(name).length > 0;
};
ns.PiskelController.prototype.moveLayerUp = function () {
var layer = this.getCurrentLayer();
this.piskel.moveLayerUp(layer);
this.selectLayer(layer);
};
ns.PiskelController.prototype.moveLayerDown = function () {
var layer = this.getCurrentLayer();
this.piskel.moveLayerDown(layer);
this.selectLayer(layer);
};
ns.PiskelController.prototype.removeCurrentLayer = function () {
if (this.getLayers().length > 1) {
var layer = this.getCurrentLayer();
this.piskel.removeLayer(layer);
this.setCurrentLayerIndex(0);
}
};
ns.PiskelController.prototype.serialize = function () {
return pskl.utils.Serializer.serializePiskel(this.piskel);
};
ns.PiskelController.prototype.deserialize = function (json) {
try {
var piskel = pskl.utils.Serializer.deserializePiskel(json);
this.setPiskel(piskel);
} catch (e) {
console.error('Failed to deserialize');
console.error(e.stack);
}
};
})();