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'use strict';
export interface ISmartTooltipScope extends ng.IScope {
sdcSmartToolip;
}
export class SmartTooltipDirective implements ng.IDirective {
constructor(private $compile:ng.ICompileService) {
}
public replace = false;
public restrict = 'A';
public transclude = false;
public link = (scope:ISmartTooltipScope, $elem:ng.IAugmentedJQuery, $attrs:angular.IAttributes) => {
if ($elem[0].hasAttribute('style') === false) {
$elem[0].setAttribute("style", "overflow: hidden; white-space: nowrap; text-overflow: ellipsis;");
} else {
let styles = $elem.attr('style');
$elem[0].setAttribute("style", styles + ";overflow: hidden; white-space: nowrap; text-overflow: ellipsis;");
}
$elem.bind('mouseenter', () => {
if ($elem[0].offsetWidth < $elem[0].scrollWidth && !$elem.attr('tooltips')) {
$attrs.$set('tooltips', 'tooltips');
if ($attrs['sdcSmartTooltip'] && $attrs['sdcSmartTooltip'].length > 0) {
$elem.attr('tooltip-content', $attrs['sdcSmartTooltip']);
} else {
$attrs.$set('tooltip-content', $elem.text());
}
//One possible problem arises when the ngIf is placed on the root element of the template.
//ngIf removes the node and places a comment in it's place. Then it watches over the expression and adds/removes the actual HTML element as necessary.
//The problem seems to be that if it is placed on the root element of the template, then a single comment is what is left from the
//whole template (even if only temporarily), which gets ignored (I am not sure if this is browser-specific behaviour), resulting in an empty template.
// Remove ng-if attribute and its value (if we reach here, we pass ng-if (ng-if===true), so we can remove it).
$elem.removeAttr('ng-if');
$elem.removeAttr('data-ng-if');
// Remove me (the directive from the element)
let template = $elem[0].outerHTML;
template = template.replace('sdc-smart-tooltip=""', '');
template = template.replace('sdc-smart-tooltip="' + $elem.text() + '"', '');
//console.log(template);
let el = this.$compile(template)(scope);
console.log(el);
$elem.replaceWith(el);
}
});
};
public static factory = ($compile:ng.ICompileService)=> {
return new SmartTooltipDirective($compile);
};
}
SmartTooltipDirective.factory.$inject = ['$compile'];
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