添加Metronic（作为LFS）

2025-09-12 15:01:39 +08:00 · 2022-03-01 21:24:58 +08:00
parent 080ca33954
commit 465c454101
3280 changed files with 561969 additions and 0 deletions
--- a/frontend/static/js/file-input.js
+++ b/frontend/static/js/file-input.js
@@ -0,0 +1,71 @@
+/**
+ * file-input.js 
+ * target container must be id "preview"
+ */
+function previewImage(file,className,id)
+{
+  var MAXWIDTH,MAXHEIGHT;
+  var div = $('#'+id).get(0);
+  if(className==='preview-long'){
+	  MAXWIDTH = 200;
+	  MAXHEIGHT = 356;
+  }
+  else if(className==='preview-short'){
+	  MAXWIDTH = 200;
+	  MAXHEIGHT = 300;
+  }
+  else{
+	  MAXWIDTH  = 120;
+	  MAXHEIGHT = 120;
+  }
+  if (file.files && file.files[0])
+  {
+    div.innerHTML = '<img class=imghead>';
+    var img = $('#'+id).find('.imghead').get(0);
+    img.onload = function(){
+      var rect = clacImgZoomParam(MAXWIDTH, MAXHEIGHT, img.offsetWidth, img.offsetHeight);
+      img.width = rect.width;
+      img.height = rect.height;
+      img.style.marginLeft = rect.left+'px';
+      img.style.marginTop = rect.top+'px';
+    }
+    var reader = new FileReader();
+    reader.onload = function(evt){img.src = evt.target.result;}
+    reader.readAsDataURL(file.files[0]);
+  }
+  else
+  {
+    var sFilter='filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src="';
+    file.select();
+    var src = document.selection.createRange().text;
+    div.innerHTML = '<img class=imghead>';
+    var img = $('#'+id).find('.imghead').get(0);
+    img.filters.item('DXImageTransform.Microsoft.AlphaImageLoader').src = src;
+    var rect = clacImgZoomParam(MAXWIDTH, MAXHEIGHT, img.offsetWidth, img.offsetHeight);
+    status =('rect:'+rect.top+','+rect.left+','+rect.width+','+rect.height);
+    div.innerHTML = "<div id=divhead style='width:"+rect.width+"px;height:"+rect.height+"px;margin-top:"+rect.top+"px;margin-left:"+rect.left+"px;"+sFilter+src+"\"'></div>";
+  }
+  $('.file').attr('name','image');
+  
+}
+
+function clacImgZoomParam( maxWidth, maxHeight, width, height ){
+    var param = {top:0, left:0, width:width, height:height};
+    if( width>maxWidth || height>maxHeight )
+    {
+        rateWidth = width / maxWidth;
+        rateHeight = height / maxHeight;
+        if( rateWidth > rateHeight )
+        {
+            param.width =  maxWidth;
+            param.height = Math.round(height / rateWidth);
+        }else
+        {
+            param.width = Math.round(width / rateHeight);
+            param.height = maxHeight;
+        }
+    }
+    param.left = Math.round((maxWidth - param.width) / 2);
+    param.top = Math.round((maxHeight - param.height) / 2);
+    return param;
+}