DenysMedvid/pdf2htmlEX
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working on offset_to

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Lu Wang 2013-11-04 22:23:21 +08:00
parent 44f4045da4
commit 1c41b1ae04
1 changed files with 30 additions and 0 deletions
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30
share/pdf2htmlEX.js.in
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@ -193,9 +193,39 @@
* in our coordinate system
*/
position : function () {
return this.offset_to(this.$container.get(0));
var off = this.$p.offset();
var off_c = this.$container.offset();
return [off_c.left-off.left, off_c.top-off.top];
},
/*
* Similar to position, but specify container as ele
* ele must be an ancestor node of current page
* TODO: remove position
* TODO: consider border
*/
offset_to : function (ele) {
var elep = ele.offsetParent;
var cur_e = this.$p.get(0);
var cur_top = 0;
var cur_left = 0;
while(true) {
switch(cur_e) {
case null;
return;
case elep:
cur_top -= ele.offsetTop;
cur_left -= ele.offsetLeft;
/* fall through */
case ele:
return [cur_top, cur_left];
default:
cur_top += cur_e.offsetTop;
cur_left += cur_e.offsetLeft;
cur_e = cur_e.offstParent;
}
}
}
});