Function clickToOpen

Picviewer CE+/dist.user.js:26393–26450

(data)

        }

        function clickToOpen(data){
            var preventDefault = matchedRule.clickToOpen.preventDefault;
            var button = matchedRule.clickToOpen.button || 0;
            var alt = !!matchedRule.clickToOpen.alt;
            var ctrl = !!matchedRule.clickToOpen.ctrl;
            var shift = !!matchedRule.clickToOpen.shift;
            var meta = !!matchedRule.clickToOpen.meta;

            function mouseout(){
                document.removeEventListener('mouseout', mouseout, true);
                document.removeEventListener(button == 2 ? 'contextmenu' : 'mousedown', click, true);
                if(data.imgPA && preventDefault){
                    data.imgPA.removeEventListener('click', clickA, true);
                };
            };

            function checkLimit(e){
                if(e.button!=button ||
                   e.altKey!=alt ||
                   e.ctrlKey!=ctrl ||
                   e.shiftKey!=shift ||
                   e.metaKey!=meta){
                    return false;
                }
                return true;
            }

            function click(e){
                if(!checkLimit(e))return;
                FloatBarC.prototype.open.call({
                    data:data,
                },e,matchedRule.clickToOpen.type);
                if(preventDefault){
                    e.preventDefault();
                    e.stopPropagation();
                    return false;
                }
            };

            function clickA(e){//阻止a的默认行为
                if(!checkLimit(e))return;
                e.preventDefault();
            };

            document.addEventListener(button == 2 ? 'contextmenu' : 'mousedown', click, true);

            if(data.imgPA && preventDefault){
                data.imgPA.addEventListener('click', clickA, true);
            };

            setTimeout(function(){//稍微延时。错开由于css hover样式发生的out;
                document.addEventListener('mouseout', mouseout, true);
            },100);

            return function(){
                mouseout();
            };
        }