很棒的在线教学系统

源代码在线查看: resize.js

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关键词: 在线教学
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相关代码

				/*				 * This script resizes everything to fit the iframe 				 * of the ims-cp resource type. Credits goes to Andrew Walker.				 */								function getElementStyle(obj, prop, cssProp) {				    var ret = '';				    				    if (obj.currentStyle) {				        ret = obj.currentStyle[prop];				    } else if (document.defaultView && document.defaultView.getComputedStyle) {				        var compStyle = document.defaultView.getComputedStyle(obj, null);				        ret = compStyle.getPropertyValue(cssProp);				    }				    				    if (ret == 'auto') ret = '0';				    return ret;				}								function resizeiframe (hasNav, customCorners) {								/// Calculate window width and height				    var winWidth = 0, winHeight = 0;				    if( typeof( window.innerWidth ) == 'number' ) {				        //Non-IE				        winWidth = window.innerWidth;				        winHeight = window.innerHeight;				    } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {				        //IE 6+ in 'standards compliant mode'				        winWidth = document.documentElement.clientWidth;				        winHeight = document.documentElement.clientHeight;				    } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {				        //IE 4 compatible				        winWidth = document.body.clientWidth;				        winHeight = document.body.clientHeight;				    }								/// Calculate margins				    var topMargin = parseInt(getElementStyle(document.getElementsByTagName('body')[0], 'marginTop', 'margin-top'));				    var bottomMargin = parseInt(getElementStyle(document.getElementsByTagName('body')[0], 'marginBottom', 'margin-bottom'));				    var leftMargin = parseInt(getElementStyle(document.getElementsByTagName('body')[0], 'marginLeft', 'margin-left'));				    var rightMargin = parseInt(getElementStyle(document.getElementsByTagName('body')[0], 'marginRight', 'margin-right'));								/// Calculate heights				    var header = document.getElementById('content');				    var headerHeight = 0;				    if (header) {				        headerHeight = header.offsetTop + parseInt(getElementStyle(header, 'marginTop', 'margin-top')) + parseInt(getElementStyle(header, 'marginBottom', 'margin-bottom'));				    }								    var contentbt = document.getElementById('content-bt');				    var contentbtHeight = 0;				    if (contentbt) {				        contentbtHeight = contentbt.offsetHeight + parseInt(getElementStyle(contentbt, 'marginTop', 'margin-top')) + parseInt(getElementStyle(contentbt, 'marginBottom', 'margin-bottom'));				    }								    var contentbb = document.getElementById('content-bb');				    var contentbbHeight = 0;				    if (contentbb) {				        contentbbHeight = contentbb.offsetHeight + parseInt(getElementStyle(contentbb, 'marginTop', 'margin-top')) + parseInt(getElementStyle(contentbb, 'marginBottom', 'margin-bottom'));				    }								    var navbar = document.getElementById('ims-nav-bar');				    var navbarHeight = 0;				    if (navbar) {				        navbarHeight = navbar.offsetHeight + parseInt(getElementStyle(navbar, 'marginTop', 'margin-top')) + parseInt(getElementStyle(navbar, 'marginBottom', 'margin-bottom'));;				    }								    var footer = document.getElementById('footer');				    var footerHeight = 0;				    if (footer) {				        footerHeight = footer.offsetHeight + parseInt(getElementStyle(footer, 'marginTop', 'margin-top')) + parseInt(getElementStyle(footer, 'marginBottom', 'margin-bottom'));				    }												/// Calculate the used height				    var usedHeight = headerHeight +				                     contentbtHeight +				                     navbarHeight +				                     contentbbHeight +				                     footerHeight +				                     bottomMargin + 15; /// Plus 15 points to avoid the wrong vertical scroll bar on some browsers								/// Calculate widths				    var menu = document.getElementById('ims-menudiv');				    var menuWidth = 0;				    var menuLeft = 0;				    if (menu) {				        menuLeft = menu.offsetLeft;				        menuWidth = menu.offsetWidth + parseInt(getElementStyle(menu, 'marginLeft', 'margin-left')) + parseInt(getElementStyle(menu, 'marginRight', 'margin-right')) + 2; /// +2 to leave 1px menu borders				    }								    var container = document.getElementById('ims-containerdiv');				    var containerWidth = 0;				    if (container) {				        containerWidth = container.offsetWidth - 2; /// -2 to leave some right margin in the container div				    }								/// Calculate the used width				    var usedWidth = winWidth - containerWidth + menuWidth;								/// Set contentframe dimensions				    if (hasNav == true) {				        document.getElementById('ims-contentframe').style.height = (winHeight - usedHeight)+'px';				        document.getElementById('ims-contentframe').style.width = (winWidth - usedWidth)+'px';				        document.getElementById('ims-contentframe').style.left = (menuLeft + menuWidth)+'px';				    } else {				        document.getElementById('ims-contentframe-no-nav').style.height = (winHeight - usedHeight)+'px';				        document.getElementById('ims-contentframe-no-nav').style.width = (winWidth - usedWidth)+'px';				    }								/// Set containerdiv dimensions				    document.getElementById('ims-containerdiv').style.height = (winHeight - usedHeight)+'px';				}															

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