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(function ($) {
// Register namespace
$.extend(true, window, {
"Slick": {
"AutoTooltips": AutoTooltips
}
});
/**
* AutoTooltips plugin to show/hide tooltips when columns are too narrow to fit content.
* @constructor
* @param {boolean} [options.enableForCells=true] - Enable tooltip for grid cells
* @param {boolean} [options.enableForHeaderCells=false] - Enable tooltip for header cells
* @param {number} [options.maxToolTipLength=null] - The maximum length for a tooltip
*/
function AutoTooltips(options) {
var _grid;
var _self = this;
var _defaults = {
enableForCells: true,
enableForHeaderCells: false,
maxToolTipLength: null
};
/**
* Initialize plugin.
*/
function init(grid) {
options = $.extend(true, {}, _defaults, options);
_grid = grid;
if (options.enableForCells) _grid.onMouseEnter.subscribe(handleMouseEnter);
if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.subscribe(handleHeaderMouseEnter);
}
/**
* Destroy plugin.
*/
function destroy() {
if (options.enableForCells) _grid.onMouseEnter.unsubscribe(handleMouseEnter);
if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.unsubscribe(handleHeaderMouseEnter);
}
/**
* Handle mouse entering grid cell to add/remove tooltip.
* @param {jQuery.Event} e - The event
*/
function handleMouseEnter(e) {
var cell = _grid.getCellFromEvent(e);
if (cell) {
var $node = $(_grid.getCellNode(cell.row, cell.cell));
var text;
if ($node.innerWidth() < $node[0].scrollWidth) {
text = $.trim($node.text());
if (options.maxToolTipLength && text.length > options.maxToolTipLength) {
text = text.substr(0, options.maxToolTipLength - 3) + "...";
}
} else {
text = "";
}
$node.attr("title", text);
}
}
/**
* Handle mouse entering header cell to add/remove tooltip.
* @param {jQuery.Event} e - The event
* @param {object} args.column - The column definition
*/
function handleHeaderMouseEnter(e, args) {
var column = args.column,
$node = $(e.target).closest(".slick-header-column");
if (!column.toolTip) {
$node.attr("title", ($node.innerWidth() < $node[0].scrollWidth) ? column.name : "");
}
}
// Public API
$.extend(this, {
"init": init,
"destroy": destroy
});
}
})(jQuery);
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