130 lines
3.4 KiB
JavaScript
130 lines
3.4 KiB
JavaScript
(function () {
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var ns = $.namespace("pskl.selection");
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ns.SelectionManager = function (framesheet, overlayFrame) {
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this.framesheet = framesheet;
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this.overlayFrame = overlayFrame;
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this.currentSelection = null;
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$.subscribe(Events.SELECTION_CREATED, $.proxy(this.onSelectionCreated_, this));
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$.subscribe(Events.SELECTION_DISMISSED, $.proxy(this.onSelectionDismissed_, this));
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$.subscribe(Events.SELECTION_MOVE_REQUEST, $.proxy(this.onSelectionMoved_, this));
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$.subscribe(Events.PASTE, $.proxy(this.onPaste_, this));
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$.subscribe(Events.COPY, $.proxy(this.onCopy_, this));
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$.subscribe(Events.CUT, $.proxy(this.onCut_, this));
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$.subscribe(Events.TOOL_SELECTED, $.proxy(this.onToolSelected_, this));
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};
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/**
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* @private
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*/
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ns.SelectionManager.prototype.cleanSelection_ = function(selection) {
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if(this.currentSelection) {
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this.currentSelection.reset();
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}
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this.overlayFrame.clear();
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};
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/**
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* @private
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*/
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ns.SelectionManager.prototype.onToolSelected_ = function(evt, tool) {
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var isSelectionTool = tool instanceof pskl.drawingtools.BaseSelect;
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if(!isSelectionTool) {
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this.cleanSelection_();
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}
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};
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/**
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* @private
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*/
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ns.SelectionManager.prototype.onSelectionDismissed_ = function(evt) {
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this.cleanSelection_();
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};
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/**
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* @private
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*/
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ns.SelectionManager.prototype.onCut_ = function(evt) {
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if(this.currentSelection) {
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// Put cut target into the selection:
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this.currentSelection.fillSelectionFromFrame(this.framesheet.getCurrentFrame());
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var pixels = this.currentSelection.pixels;
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var currentFrame = this.framesheet.getCurrentFrame();
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for(var i=0, l=pixels.length; i<l; i++) {
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try {
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currentFrame.setPixel(pixels[i].col, pixels[i].row, Constants.TRANSPARENT_COLOR);
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}
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catch(e) {
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// Catchng out of frame's bound pixels without testing
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}
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}
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}
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else {
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throw "Bad state for CUT callback in SelectionManager";
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}
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};
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ns.SelectionManager.prototype.onPaste_ = function(evt) {
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if(this.currentSelection && this.currentSelection.hasPastedContent) {
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var pixels = this.currentSelection.pixels;
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var currentFrame = this.framesheet.getCurrentFrame();
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for(var i=0, l=pixels.length; i<l; i++) {
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try {
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currentFrame.setPixel(
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pixels[i].col, pixels[i].row,
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pixels[i].copiedColor);
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}
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catch(e) {
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// Catchng out of frame's bound pixels without testing
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}
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}
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}
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};
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/**
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* @private
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*/
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ns.SelectionManager.prototype.onCopy_ = function(evt) {
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if(this.currentSelection && this.framesheet.getCurrentFrame()) {
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this.currentSelection.fillSelectionFromFrame(this.framesheet.getCurrentFrame());
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}
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else {
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throw "Bad state for CUT callback in SelectionManager";
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}
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};
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/**
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* @private
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*/
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ns.SelectionManager.prototype.onSelectionCreated_ = function(evt, selection) {
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if(selection) {
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this.currentSelection = selection;
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var pixels = selection.pixels;
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for(var i=0, l=pixels.length; i<l; i++) {
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this.overlayFrame.setPixel(pixels[i].col, pixels[i].row, Constants.SELECTION_TRANSPARENT_COLOR);
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}
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}
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else {
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throw "No selection set in SelectionManager";
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}
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};
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/**
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* @private
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*/
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ns.SelectionManager.prototype.onSelectionMoved_ = function(evt, colDiff, rowDiff) {
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if(this.currentSelection) {
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this.currentSelection.move(colDiff, rowDiff);
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}
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else {
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throw "Bad state: No currentSelection set when trying to move it in SelectionManager";
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}
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};
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})();
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