| 2969 | var isTipInTxt = false; |
| 2970 | |
| 2971 | function addAndShowTip($target) { |
| 2972 | if (!isTipInTxt) { |
| 2973 | $editorContainer.append($tip); |
| 2974 | isTipInTxt = true; |
| 2975 | } |
| 2976 | |
| 2977 | var txtTop = $txt.position().top; |
| 2978 | var txtHeight = $txt.outerHeight(); |
| 2979 | |
| 2980 | var height = $target.height(); |
| 2981 | var top = $target.position().top; |
| 2982 | var marginTop = parseInt($target.css('margin-top'), 10); |
| 2983 | var paddingTop = parseInt($target.css('padding-top'), 10); |
| 2984 | var marginBottom = parseInt($target.css('margin-bottom'), 10); |
| 2985 | var paddingBottom = parseInt($target.css('padding-bottom'), 10); |
| 2986 | |
| 2987 | // 计算初步的结果 |
| 2988 | var resultHeight = height + paddingTop + marginTop + paddingBottom + marginBottom; |
| 2989 | var resultTop = top + menuContainer.height(); |
| 2990 | |
| 2991 | // var spaceValue; |
| 2992 | |
| 2993 | // // 判断是否超出下边界 |
| 2994 | // spaceValue = (resultTop + resultHeight) - (txtTop + txtHeight); |
| 2995 | // if (spaceValue > 0) { |
| 2996 | // resultHeight = resultHeight - spaceValue; |
| 2997 | // } |
| 2998 | |
| 2999 | // // 判断是否超出了下边界 |
| 3000 | // spaceValue = txtTop > resultTop; |
| 3001 | // if (spaceValue) { |
| 3002 | // resultHeight = resultHeight - spaceValue; |
| 3003 | // top = top + spaceValue; |
| 3004 | // } |
| 3005 | |
| 3006 | // 按照最终结果渲染 |
| 3007 | $tip.css({ |
| 3008 | height: height + paddingTop + marginTop + paddingBottom + marginBottom, |
| 3009 | top: top + menuContainer.height() |
| 3010 | }); |
| 3011 | } |
| 3012 | function removeTip() { |
| 3013 | if (!isTipInTxt) { |
| 3014 | return; |