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educoder/public/assets/kindeditor/plugins/autoheight/autoheight.js

72 lines
2.2 KiB

6 years ago
/*******************************************************************************
* KindEditor - WYSIWYG HTML Editor for Internet
* Copyright (C) 2006-2011 kindsoft.net
*
* @author Roddy <luolonghao@gmail.com>
* @site http://www.kindsoft.net/
* @licence http://www.kindsoft.net/license.php
*******************************************************************************/
KindEditor.plugin('autoheight', function(K) {
var self = this;
//self.autoHeightMode = true;
if (!self.autoHeightMode) {
return;
}
var minHeight;
function hideScroll() {
var edit = self.edit;
var body = edit.doc.body;
edit.iframe[0].scroll = 'no';
body.style.overflowY = 'hidden';
}
function resetHeight() {
var edit = self.edit;
var body = edit.doc.body;
edit.iframe.height(minHeight);
//最高418 超过用滚动条
self.resize(null, Math.max(
(K.IE ? body.scrollHeight : body.offsetHeight) > 385 ? 385+33 : (K.IE ? body.scrollHeight : body.offsetHeight)
+ 33, minHeight));
if( self.height == "418px" ){
edit.iframe[0].scroll = 'yes';
body.style.overflowY = 'auto';
}
else{
hideScroll();
}
}
function init() {
minHeight = K.removeUnit(self.height);
self.edit.afterChange(resetHeight);
hideScroll();
var edit = self.edit;
var body = edit.doc.body;
edit.iframe.height(minHeight);
self.resize(null, Math.max(
((K.IE ? body.scrollHeight : body.offsetHeight) > 250 ? 250 : (K.IE ? body.scrollHeight : body.offsetHeight)) //限制初始化太高的情况
+ 33, minHeight));
}
if (self.isCreated) {
init();
} else {
self.afterCreate(init);
}
});
/*
* 如何实现真正的自动高度
* 修改编辑器高度之后再次获取body内容高度时最小值只会是当前iframe的设置高度这样就导致高度只增不减
* 所以每次获取body内容高度之前先将iframe的高度重置为最小高度这样就能获取body的实际高度
* 由此就实现了真正的自动高度
* 测试chromefirefoxIE9IE8
* */