piskel/js/drawingtools/selectiontools/RectangleSelect.js
2012-09-15 20:25:45 +02:00

52 lines
1.3 KiB
JavaScript

/*
* @provide pskl.drawingtools.RectangleSelect
*
* @require pskl.utils
*/
(function() {
var ns = $.namespace("pskl.drawingtools");
ns.RectangleSelect = function() {
this.toolId = "tool-rectangle-select";
this.helpText = "Rectangle selection tool";
ns.BaseSelect.call(this);
};
pskl.utils.inherit(ns.RectangleSelect, ns.BaseSelect);
/**
* @override
*/
ns.RectangleSelect.prototype.onSelectStart_ = function (col, row, color, frame, overlay) {
// Drawing the first point of the rectangle in the fake overlay canvas:
overlay.setPixel(col, row, color);
};
/**
* When creating the rectangle selection, we clear the current overlayFrame and
* redraw the current rectangle based on the orgin coordinate and
* the current mouse coordiinate in sprite.
* @override
*/
ns.RectangleSelect.prototype.onSelect_ = function (col, row, color, frame, overlay) {
overlay.clear();
if(this.startCol == col &&this.startRow == row) {
$.publish(Events.SELECTION_DISMISSED);
} else {
var selection = new pskl.selection.RectangularSelection(
this.startCol, this.startRow, col, row);
$.publish(Events.SELECTION_CREATED, [selection]);
}
};
/**
* @override
*/
ns.RectangleSelect.prototype.onSelectEnd_ = function (col, row, color, frame, overlay) {
this.onSelect_(col, row, color, frame, overlay)
};
})();