init

.svn/pristine/c8/c8f75bd0413b299af0814de88f576fef429d83b4.svn-base

@@ -0,0 +1,53 @@
+const useMove = function (el: HTMLElement, callback: Function) {
+  el.style.position = "fixed";
+  let offsetX: number;
+  let offsetY: number;
+  if (el != null) {
+    el.addEventListener("mousedown", function (event: any) {
+      const path = (event.composedPath && event.composedPath()) || event.path;
+      if (path[0].className === "layui-layer-title") {
+        if (event.button == 0 && el != null) {
+          const lexObj: any = getComputedStyle(el);
+          offsetX =
+            event.pageX - el.offsetLeft + parseInt(lexObj["margin-left"]);
+          offsetY =
+            event.pageY - el.offsetTop + parseInt(lexObj["margin-right"]);
+          const move = function (event: any) {
+            if (el != null) {
+              let x = event.pageX - offsetX;
+              let y = event.pageY - offsetY;
+              if (x < 0) {
+                x = 0;
+              } else if (
+                x >
+                document.documentElement.clientWidth - el.offsetWidth
+              ) {
+                x = document.documentElement.clientWidth - el.offsetWidth;
+              }
+              if (y < 0) {
+                y = 0;
+              } else if (
+                y >
+                document.documentElement.clientHeight - el.offsetHeight
+              ) {
+                y = document.documentElement.clientHeight - el.offsetHeight;
+              }
+              el.style.left = `${x}px`;
+              el.style.top = `${y}px`;
+              callback(el.style.left, el.style.top);
+            }
+            return false;
+          };
+          document.addEventListener("mousemove", move);
+          const stop = function () {
+            document.removeEventListener("mousemove", move);
+            document.removeEventListener("mouseup", stop);
+          };
+          document.addEventListener("mouseup", stop);
+        }
+      }
+      return false;
+    });
+  }
+};
+export default useMove;