utillayer.js

SQLiteDBMS是SQLite数据库的管理服务器软件

var _lCurtain=null;
var _lDiv=null;
var _lInnerDiv=null;
var _lTitleDiv=null;
var _divContainer=null;
var _curDiv=null;

var _lArguments=null;

var _lHideCallback=null;
var _lHideCallbackPersistent=false;

var _lShow=false;

var _divs=[];

function lGo(subDivId, argument) {
	if (!_divContainer)
		_divContainer=document.getElementById('layerContainer');
	if (!_divContainer) return;

	if (!_lCurtain) {
		_lCurtain=document.createElement('DIV');
		_lCurtain.style.top=0;
		_lCurtain.style.left=0;
		_lCurtain.style.width='100%';
		_lCurtain.style.height='100%';
		_lCurtain.style.position='absolute';
		_lCurtain.style.zIndex=3000;
		_lCurtain.style.visibility='hidden';
		_lCurtain.style.backgroundColor='white';
		document.body.appendChild(_lCurtain);
	}

	if (!_lDiv) {
		_lDiv=document.createElement('DIV');
		with (_lDiv.style) {
			position='absolute';
			zIndex=3100;
			width='600px';
			height='450px';
			visibility='hidden';
		}
		document.body.appendChild(_lDiv);

		var table=appendNew(_lDiv, 'TABLE');
		table.cellPadding=0;
		with (table.style) {
			borderCollapse='collapse';
			width='600px';
			height='450px';
		}
		var row=table.insertRow(0);
			_lTitleDiv=row.insertCell(0);
			_lTitleDiv.colSpan=3;
			with (_lTitleDiv.style) {
				verticalAlign='top';
				height='65px';
				fontSize='18pt';
				fontWeight='bold';
				padding='25px 0px 0px 65px';
				color='#444';
			}
			if (_isIE) _lTitleDiv.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='img/layer_top.png')";
			else{
				_lTitleDiv.style.backgroundImage='url(img/layer_top.png)';
				_lTitleDiv.style.backgroundRepeat='no-repeat';
			}

		row=table.insertRow(1);
			var cell=row.insertCell(0);
			with (cell.style) {
				width='20px';
				height='355px';
			}
			if (_isIE) cell.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='img/layer_left.png')";
			else cell.style.backgroundImage='url(img/layer_left.png)';

			_lInnerDiv=row.insertCell(1);
			with (_lInnerDiv.style) {
				verticalAlign='top';
				width='560px';
				height='355px';
				overflow='auto';
				backgroundColor='white';
			}

			var cell=row.insertCell(2);
			with (cell.style) {
				height='355px';
				width='20px';
			}
			if (_isIE) cell.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='img/layer_right.png')";
			else cell.style.backgroundImage='url(img/layer_right.png)';

		row=table.insertRow(2);
			cell=row.insertCell(0);
			cell.colSpan=3;
			with (cell.style) {
				width='600px';
				height='30px';
			}
			if (_isIE) cell.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='img/layer_bottom.png')";
			else{
				cell.style.backgroundImage='url(img/layer_bottom.png)';
				cell.style.backgroundRepeat='no-repeat';
			}
	}

	if (_curDiv) {
		_divContainer.appendChild(_curDiv);
		_curDiv=null;
	}

	_lTitleDiv.innerHTML='';

	if (subDivId) {
		_curDiv=oFindChild(_divContainer, 'DIV', subDivId);
		if (_curDiv) {
			_lInnerDiv.appendChild(_curDiv);
			if (_curDiv.title)
				_lTitleDiv.innerHTML=_curDiv.title;
		}
	}

	_lDiv.style.display='';
	_lCurtain.style.display='';

	_lDiv.style.visibility='visible';
	lResize();

	if (_isIE) _lCurtain.style.filter='alpha(opacity=70)';
	else _lCurtain.style.opacity=0.7;
	_lCurtain.style.visibility='visible';

	if (argument) _lArguments=argument;

	_lShow=true;

	return _curDiv;
}

function lResize() {
	_lCurtain.style.display='none';
	lCenter();
	_lCurtain.style.width=Math.max(document.body.scrollWidth,document.body.clientWidth);
	_lCurtain.style.height=Math.max(document.body.scrollHeight,document.body.clientHeight);
	_lCurtain.style.display='';
}

function lCenter(div) {
	if (!div) div=_lDiv;
	if (div) {
		div.style.display='none';
		div.style.top=0;
		div.style.left=0;
		var y=document.body.clientHeight;
		var x=document.body.clientWidth;
		div.style.visibility='hidden';
		div.style.display='';
		div.style.top=Math.max(0,document.body.scrollTop+((y-div.childNodes[0].offsetHeight)/2));
		div.style.left=Math.max(0,document.body.scrollLeft+((x-div.childNodes[0].offsetWidth)/2));
		div.style.visibility='visible';
	}
	//lShowControl(div);
	//lHideControl('SELECT',div);
}

function lHideCallback(callback, persistent) {
	_lHideCallback=callback;
	_lHideCallbackPersistent=persistent;
}

function lSetMaxSize() {
	lSetMaxWidth();
	lSetMaxHeight();
}

function lSetMaxWidth() {
	lSetWidth(parseInt(parent.document.body.clientWidth)-10);
}

function lSetMaxHeight() {
	lSetHeight(parseInt(parent.document.body.clientHeight)-10);
}

function lSetSize(width, height) {
	lSetWidth(width);
	lSetHeight(height);
}

function lSetWidth(width) {
	if (!parent || !parent._lDiv) return;
	if (width) parent._lDiv.style.width=width;
	parent.lResize();
}

function lSetHeight(height) {
	if (!parent || !parent._lDiv) return;
	if (height) parent._lDiv.style.height=height;
	parent.lResize();
}

function lGetWin() {
	if (!_lDiv) return;
	var ifm=oFindChildByTagName(_lDiv, 'IFRAME');
	return ifm.contentWindow;
}

var _lResizeCallback=null;
function lResizeBlend(width, height, dialogId, callback) {
	var toWidth=width;
	var toHeight=height;

	if (callback) _lResizeCallback=callback;
	var div;
	if (dialogId) div=parent._lDialog[dialogId].div;
	else div=parent._lDiv;
	if (!div) return;

	if (document.body.style.display != 'none') document.body.style.display='none';

	var speed=4;
	if (div.offsetWidth != width) {
		if (div.offsetWidth > width) toWidth=div.offsetWidth-(Math.abs(Math.round((div.offsetWidth-width)/speed)))-1;
		else if (div.offsetWidth < width) toWidth=div.offsetWidth+(Math.abs(Math.round((div.offsetWidth-width)/speed)))+1;
	}

	if (div.offsetHeight != height) {
		if (div.offsetHeight > height) toHeight=div.offsetHeight-(Math.abs(Math.round((div.offsetHeight-height)/speed)))-1;
		else if (div.offsetHeight < height) toHeight=div.offsetHeight+(Math.abs(Math.round((div.offsetHeight-height)/speed)))+1;
	}

	if (toHeight != height || toWidth != width) {
		var moveTop=Math.round((div.offsetHeight-toHeight)/2);
		var moveLeft=Math.round((div.offsetWidth-toWidth)/2);
		div.style.width=toWidth;
		div.style.height=toHeight;
		div.style.top=div.offsetTop+moveTop;
		div.style.left=div.offsetLeft+moveLeft;
		setTimeout('lResizeBlend('+width+', '+height+', "'+(dialogId?dialogId:'')+'");', 0);
	}else{
		document.body.style.display='';
		if (_lResizeCallback) {
			if (typeof _lResizeCallback == 'function')
				_lResizeCallback();
			else
				eval(_lResizeCallback);
			_lResizeCallback=null;
		}
		if (dialogId)
			parent.lDialogCenter(dialogId);
		else
			parent.lCenter();
	}
}

function lHide() {
	if (_lDiv) {
		_lDiv.style.visibility='hidden';
		_lDiv.style.display='none';
		_lDiv.style.top='0px';
		_lDiv.style.left='0px';
	}
	if (_lCurtain) {
		_lCurtain.style.visibility='hidden';
		_lCurtain.style.display='none';
		_lCurtain.style.top='0px';
		_lCurtain.style.left='0px';
	}
	eventListnerDelete('scroll','lCenter()');
	eventListnerDelete('resize','lResize()');
	//lShowControl(_lDiv);
	if (_lHideCallback) {
		try{
			_lHideCallback();
		}catch(e) {}
		if (!_lHideCallbackPersistent)
			_lHideCallback=null;
	}
	_lShow=false;
}

function lHideControl(tagName, popupObj) {
	if (_isIE) {
		var x=lX(popupObj);
		var y=lY(popupObj);
		var w=popupObj.offsetWidth;
		var h=popupObj.offsetHeight;

		var i;
		var objs=document.getElementsByTagName(tagName);
		if (!tagName || !objs) return;
		for (i = 0; i < objs.length; ++i) {
			var obj = objs[i];
			if (!obj || !obj.offsetParent) continue;

			var ox = lX (obj);
			var oy = lY (obj);
			var ow = obj.offsetWidth;
			var oh = obj.offsetHeight;

			if (ox > (x + w) || (ox + ow) < x) continue;
			if (oy > (y + h) || (oy + oh) < y) continue;

			if(obj.style.visibility == "hidden") continue;

			if(!popupObj.overFlag)
				popupObj.overFlag = new Array ();

			popupObj.overFlag[popupObj.overFlag.length] = obj;
			obj.style.visibility = "hidden";
		}
	}
}

function lShowControl(popupObj) {
	if (_isIE && popupObj) {
		if (popupObj.overFlag) {
			var i;
			for (i = 0; i < popupObj.overFlag.length; ++i)
				popupObj.overFlag[i].style.visibility = "visible";
		}
		popupObj.overFlag = null;
	}
}

function lX(obj, top, absolute) {
	var x = 0;
	if (!obj) return 0;
	if (_isIE) {
		do {
			if (absolute && obj && obj.style && obj.style.position == 'absolute') break;
			x += obj.offsetLeft+obj.clientLeft-obj.scrollLeft;
			obj = obj.offsetParent;
		}
		while (obj && obj != top);
	}else{
		do {
			if (absolute && obj && obj.style && obj.style.position == 'absolute') break;
			x += obj.offsetLeft-obj.scrollLeft;
			obj = obj.offsetParent;
		}
		while (obj && obj != top);
	}
	if (obj == document.body || !top) x-=document.body.offsetLeft;
	return x;
}

function lEndX(obj, top, absolute) {
	return lX(obj, top, absolute)+obj.offsetWidth;
}

function lY(obj, top, absolute) {
	var y = 0;
	if (!obj) return 0;
	if (_isIE) {
		do {
			if (absolute && obj && obj.style && obj.style.position == 'absolute') break;
			y += obj.offsetTop+obj.clientTop-obj.scrollTop;
			obj = obj.offsetParent;
		}while (obj && obj != top);
	}else{
		do {
			if (absolute && obj && obj.style && obj.style.position == 'absolute') break;
			y += obj.offsetTop-obj.scrollTop;
			obj = obj.offsetParent;
		}while (obj && obj != top);
	}
	if (obj == document.body || !top) y-=document.body.offsetTop;
	return y;
}

function lEndY(obj, top, absolute) {
	return lY(obj, top, absolute)+obj.offsetHeight;
}

function lElementPosIn(element, y, x) {
	if (!element) return false;
	var lx=lX(element);
	var ly=lY(element);
	return (lx <= x && (lx+element.offsetWidth) >= x && ly <= y && (ly+element.offsetHeight) >= y);
}


/* element */
function appendNew(parent, tag, doc) {
	if (!doc) doc=document;
	if (!parent) return null;
	var el=doc.createElement(tag);
	parent.appendChild(el);
	return el;
}

function appendClone(parent, original) {
	if (!parent) return null;
	var el=original.cloneNode(true);
	parent.appendChild(el);
	return el;
}

/* div control */
function divHide(e) {
	if (_isIE && !e) e=window.event;
	if (e) {
		if (e.button == 2)
			return;
	}

	for (var i=_divs.length; i--;) {
		if (_divs[i]) _divs[i].style.display='none';
	}
}

function divHideAdd(div) {
	if (arraySearch(div, _divs) < 0)
		_divs.push(div);
}

function divHideDel(div) {
	var idx=arraySearch(div, _divs);
	if (idx > -1) _divs.splice(idx, 1);
}