iOS 中使用 CSS 多列的电子书(计算不同列中的文本范围)
我的第一个问题在这里。如果我做错了什么,请纠正我。
我在这里找到了一个源代码,演示了如何使用 CSS 多列对 html 进行分页。 http://groups.google.com/group/leaves-developers /browse_thread/thread/27e4bf5ff3c53113/f137dc01b6d853b7
我的问题是: 如何计算不同列(页)中文本的范围/位置?
例如,更改字体大小时, 当前页面的文本将跳转到另一页面。 为了解决这个问题,程序应该保存当前的文本位置, 重新格式化网页后移至正确的页面(列)。
它对于实现书签功能也很有用。
我认为这应该由 javascript 完成,但我对 javascript 很陌生。
欢迎任何建议和提示。
My first question here. Correct me if I've done anything wrong.
I've found a source here demonstrate how to paginate html using CSS multi-column.
http://groups.google.com/group/leaves-developers/browse_thread/thread/27e4bf5ff3c53113/f137dc01b6d853b7
My question is:
How to calculate the range / location of text in different column (page)?
For example, when changing the font size,
the text in current page will jump to another page.
To solve this, the program should save the current text location,
and move to the correct page (column) after reformatting the web page.
It is also useful for implementing bookmark function.
I think it should be done by javascript, but I'm new to javascript.
Any suggestions and tips are welcomed.
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这是一个有点普遍的问题,很难回答,所以我只是尝试向您指出我可能尝试的方向。
我不知道页面布局的外观或功能如何,但理论上可以做到这一点的一种方法是,每当更改字体大小时检查“列”的文本节点(假设此字体大小更改是由单击按钮)。因此,举例来说,假设您有一个带有 id #column_1 的 div,每当有人单击按钮 ui 元素时,您就可以评估 #column_1 的前几个字符,然后搜索字符串以查找该文本,并加载任何编号。您定义为该文本周围的“页面”的字符,并调用您的渲染方法以“转向”该页面。所以你的函数的流程可能看起来像这样:
显然这是一个超级通用的“想法”,你可以使用什么函数/方法来实现这一点,但我认为如果你深入研究 JS 并说出像 JQuery 这样的东西事情可以相对容易地完成。
This is a bit of a general question, and very hard to answer, so I'll just try to point you in a direction I might try.
I have no idea how the layout of your page might look or function, but one way you could theoretically do this is by checking the text node of your 'column' whenever you change the font-size (presuming this font size change is implimented by a button click). So, for instance, say you have a div w/ the id #column_1, whenever someone clicks the button ui element you could evaluate the first several characters of #column_1, then search your string to find that text, and load whatever no. of characters you have defined as a 'page' around that text and call your render method to 'turn' to that page. So the flow of your function might look something like this:
Obviously this is a super generic 'idea' of what functions/methods you might use to make this happen, but I think if you dug into JS and say something like JQuery this sort of thing could be done relatively easily.