cccc/static/sg/plugins/slick.cellrangedecorator.js

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2018-12-04 08:50:29 +00:00
(function ($) {
// register namespace
$.extend(true, window, {
"Slick": {
"CellRangeDecorator": CellRangeDecorator
}
});
/***
* Displays an overlay on top of a given cell range.
*
* TODO:
* Currently, it blocks mouse events to DOM nodes behind it.
* Use FF and WebKit-specific "pointer-events" CSS style, or some kind of event forwarding.
* Could also construct the borders separately using 4 individual DIVs.
*
* @param {Grid} grid
* @param {Object} options
*/
function CellRangeDecorator(grid, options) {
var _elem;
var _defaults = {
selectionCssClass: 'slick-range-decorator',
selectionCss: {
"zIndex": "9999",
"border": "2px dashed red"
}
};
options = $.extend(true, {}, _defaults, options);
function show(range) {
if (!_elem) {
_elem = $("<div></div>", {css: options.selectionCss})
.addClass(options.selectionCssClass)
.css("position", "absolute")
.appendTo(grid.getCanvasNode());
}
var from = grid.getCellNodeBox(range.fromRow, range.fromCell);
var to = grid.getCellNodeBox(range.toRow, range.toCell);
_elem.css({
top: from.top - 1,
left: from.left - 1,
height: to.bottom - from.top - 2,
width: to.right - from.left - 2
});
return _elem;
}
function hide() {
if (_elem) {
_elem.remove();
_elem = null;
}
}
$.extend(this, {
"show": show,
"hide": hide
});
}
})(jQuery);